[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/Makefile b/src/kernel/linux/v4.14/drivers/crypto/cavium/Makefile
new file mode 100644
index 0000000..641268b
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/Makefile
@@ -0,0 +1,4 @@
+#
+# Makefile for Cavium crypto device drivers
+#
+obj-$(CONFIG_CRYPTO_DEV_CAVIUM_ZIP) += zip/
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/Kconfig b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/Kconfig
new file mode 100644
index 0000000..cbd51b1
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/Kconfig
@@ -0,0 +1,17 @@
+#
+# Cavium crypto device configuration
+#
+
+config CRYPTO_DEV_CPT
+ tristate
+
+config CAVIUM_CPT
+ tristate "Cavium Cryptographic Accelerator driver"
+ depends on ARCH_THUNDER || COMPILE_TEST
+ depends on PCI_MSI && 64BIT
+ select CRYPTO_DEV_CPT
+ help
+ Support for Cavium CPT block found in octeon-tx series of
+ processors.
+
+ To compile this as a module, choose M here.
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/Makefile b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/Makefile
new file mode 100644
index 0000000..dbf055e
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/Makefile
@@ -0,0 +1,3 @@
+obj-$(CONFIG_CAVIUM_CPT) += cptpf.o cptvf.o
+cptpf-objs := cptpf_main.o cptpf_mbox.o
+cptvf-objs := cptvf_main.o cptvf_reqmanager.o cptvf_mbox.o cptvf_algs.o
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cpt_common.h b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cpt_common.h
new file mode 100644
index 0000000..225078d
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cpt_common.h
@@ -0,0 +1,156 @@
+/*
+ * Copyright (C) 2016 Cavium, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ */
+
+#ifndef __CPT_COMMON_H
+#define __CPT_COMMON_H
+
+#include <asm/byteorder.h>
+#include <linux/delay.h>
+#include <linux/pci.h>
+
+#include "cpt_hw_types.h"
+
+/* Device ID */
+#define CPT_81XX_PCI_PF_DEVICE_ID 0xa040
+#define CPT_81XX_PCI_VF_DEVICE_ID 0xa041
+
+/* flags to indicate the features supported */
+#define CPT_FLAG_SRIOV_ENABLED BIT(1)
+#define CPT_FLAG_VF_DRIVER BIT(2)
+#define CPT_FLAG_DEVICE_READY BIT(3)
+
+#define cpt_sriov_enabled(cpt) ((cpt)->flags & CPT_FLAG_SRIOV_ENABLED)
+#define cpt_vf_driver(cpt) ((cpt)->flags & CPT_FLAG_VF_DRIVER)
+#define cpt_device_ready(cpt) ((cpt)->flags & CPT_FLAG_DEVICE_READY)
+
+#define CPT_MBOX_MSG_TYPE_ACK 1
+#define CPT_MBOX_MSG_TYPE_NACK 2
+#define CPT_MBOX_MSG_TIMEOUT 2000
+#define VF_STATE_DOWN 0
+#define VF_STATE_UP 1
+
+/*
+ * CPT Registers map for 81xx
+ */
+
+/* PF registers */
+#define CPTX_PF_CONSTANTS(a) (0x0ll + ((u64)(a) << 36))
+#define CPTX_PF_RESET(a) (0x100ll + ((u64)(a) << 36))
+#define CPTX_PF_DIAG(a) (0x120ll + ((u64)(a) << 36))
+#define CPTX_PF_BIST_STATUS(a) (0x160ll + ((u64)(a) << 36))
+#define CPTX_PF_ECC0_CTL(a) (0x200ll + ((u64)(a) << 36))
+#define CPTX_PF_ECC0_FLIP(a) (0x210ll + ((u64)(a) << 36))
+#define CPTX_PF_ECC0_INT(a) (0x220ll + ((u64)(a) << 36))
+#define CPTX_PF_ECC0_INT_W1S(a) (0x230ll + ((u64)(a) << 36))
+#define CPTX_PF_ECC0_ENA_W1S(a) (0x240ll + ((u64)(a) << 36))
+#define CPTX_PF_ECC0_ENA_W1C(a) (0x250ll + ((u64)(a) << 36))
+#define CPTX_PF_MBOX_INTX(a, b) \
+ (0x400ll + ((u64)(a) << 36) + ((b) << 3))
+#define CPTX_PF_MBOX_INT_W1SX(a, b) \
+ (0x420ll + ((u64)(a) << 36) + ((b) << 3))
+#define CPTX_PF_MBOX_ENA_W1CX(a, b) \
+ (0x440ll + ((u64)(a) << 36) + ((b) << 3))
+#define CPTX_PF_MBOX_ENA_W1SX(a, b) \
+ (0x460ll + ((u64)(a) << 36) + ((b) << 3))
+#define CPTX_PF_EXEC_INT(a) (0x500ll + 0x1000000000ll * ((a) & 0x1))
+#define CPTX_PF_EXEC_INT_W1S(a) (0x520ll + ((u64)(a) << 36))
+#define CPTX_PF_EXEC_ENA_W1C(a) (0x540ll + ((u64)(a) << 36))
+#define CPTX_PF_EXEC_ENA_W1S(a) (0x560ll + ((u64)(a) << 36))
+#define CPTX_PF_GX_EN(a, b) \
+ (0x600ll + ((u64)(a) << 36) + ((b) << 3))
+#define CPTX_PF_EXEC_INFO(a) (0x700ll + ((u64)(a) << 36))
+#define CPTX_PF_EXEC_BUSY(a) (0x800ll + ((u64)(a) << 36))
+#define CPTX_PF_EXEC_INFO0(a) (0x900ll + ((u64)(a) << 36))
+#define CPTX_PF_EXEC_INFO1(a) (0x910ll + ((u64)(a) << 36))
+#define CPTX_PF_INST_REQ_PC(a) (0x10000ll + ((u64)(a) << 36))
+#define CPTX_PF_INST_LATENCY_PC(a) \
+ (0x10020ll + ((u64)(a) << 36))
+#define CPTX_PF_RD_REQ_PC(a) (0x10040ll + ((u64)(a) << 36))
+#define CPTX_PF_RD_LATENCY_PC(a) (0x10060ll + ((u64)(a) << 36))
+#define CPTX_PF_RD_UC_PC(a) (0x10080ll + ((u64)(a) << 36))
+#define CPTX_PF_ACTIVE_CYCLES_PC(a) (0x10100ll + ((u64)(a) << 36))
+#define CPTX_PF_EXE_CTL(a) (0x4000000ll + ((u64)(a) << 36))
+#define CPTX_PF_EXE_STATUS(a) (0x4000008ll + ((u64)(a) << 36))
+#define CPTX_PF_EXE_CLK(a) (0x4000010ll + ((u64)(a) << 36))
+#define CPTX_PF_EXE_DBG_CTL(a) (0x4000018ll + ((u64)(a) << 36))
+#define CPTX_PF_EXE_DBG_DATA(a) (0x4000020ll + ((u64)(a) << 36))
+#define CPTX_PF_EXE_BIST_STATUS(a) (0x4000028ll + ((u64)(a) << 36))
+#define CPTX_PF_EXE_REQ_TIMER(a) (0x4000030ll + ((u64)(a) << 36))
+#define CPTX_PF_EXE_MEM_CTL(a) (0x4000038ll + ((u64)(a) << 36))
+#define CPTX_PF_EXE_PERF_CTL(a) (0x4001000ll + ((u64)(a) << 36))
+#define CPTX_PF_EXE_DBG_CNTX(a, b) \
+ (0x4001100ll + ((u64)(a) << 36) + ((b) << 3))
+#define CPTX_PF_EXE_PERF_EVENT_CNT(a) (0x4001180ll + ((u64)(a) << 36))
+#define CPTX_PF_EXE_EPCI_INBX_CNT(a, b) \
+ (0x4001200ll + ((u64)(a) << 36) + ((b) << 3))
+#define CPTX_PF_EXE_EPCI_OUTBX_CNT(a, b) \
+ (0x4001240ll + ((u64)(a) << 36) + ((b) << 3))
+#define CPTX_PF_ENGX_UCODE_BASE(a, b) \
+ (0x4002000ll + ((u64)(a) << 36) + ((b) << 3))
+#define CPTX_PF_QX_CTL(a, b) \
+ (0x8000000ll + ((u64)(a) << 36) + ((b) << 20))
+#define CPTX_PF_QX_GMCTL(a, b) \
+ (0x8000020ll + ((u64)(a) << 36) + ((b) << 20))
+#define CPTX_PF_QX_CTL2(a, b) \
+ (0x8000100ll + ((u64)(a) << 36) + ((b) << 20))
+#define CPTX_PF_VFX_MBOXX(a, b, c) \
+ (0x8001000ll + ((u64)(a) << 36) + ((b) << 20) + ((c) << 8))
+
+/* VF registers */
+#define CPTX_VQX_CTL(a, b) (0x100ll + ((u64)(a) << 36) + ((b) << 20))
+#define CPTX_VQX_SADDR(a, b) (0x200ll + ((u64)(a) << 36) + ((b) << 20))
+#define CPTX_VQX_DONE_WAIT(a, b) (0x400ll + ((u64)(a) << 36) + ((b) << 20))
+#define CPTX_VQX_INPROG(a, b) (0x410ll + ((u64)(a) << 36) + ((b) << 20))
+#define CPTX_VQX_DONE(a, b) (0x420ll + ((u64)(a) << 36) + ((b) << 20))
+#define CPTX_VQX_DONE_ACK(a, b) (0x440ll + ((u64)(a) << 36) + ((b) << 20))
+#define CPTX_VQX_DONE_INT_W1S(a, b) (0x460ll + ((u64)(a) << 36) + ((b) << 20))
+#define CPTX_VQX_DONE_INT_W1C(a, b) (0x468ll + ((u64)(a) << 36) + ((b) << 20))
+#define CPTX_VQX_DONE_ENA_W1S(a, b) (0x470ll + ((u64)(a) << 36) + ((b) << 20))
+#define CPTX_VQX_DONE_ENA_W1C(a, b) (0x478ll + ((u64)(a) << 36) + ((b) << 20))
+#define CPTX_VQX_MISC_INT(a, b) (0x500ll + ((u64)(a) << 36) + ((b) << 20))
+#define CPTX_VQX_MISC_INT_W1S(a, b) (0x508ll + ((u64)(a) << 36) + ((b) << 20))
+#define CPTX_VQX_MISC_ENA_W1S(a, b) (0x510ll + ((u64)(a) << 36) + ((b) << 20))
+#define CPTX_VQX_MISC_ENA_W1C(a, b) (0x518ll + ((u64)(a) << 36) + ((b) << 20))
+#define CPTX_VQX_DOORBELL(a, b) (0x600ll + ((u64)(a) << 36) + ((b) << 20))
+#define CPTX_VFX_PF_MBOXX(a, b, c) \
+ (0x1000ll + ((u64)(a) << 36) + ((b) << 20) + ((c) << 3))
+
+enum vftype {
+ AE_TYPES = 1,
+ SE_TYPES = 2,
+ BAD_CPT_TYPES,
+};
+
+/* Max CPT devices supported */
+enum cpt_mbox_opcode {
+ CPT_MSG_VF_UP = 1,
+ CPT_MSG_VF_DOWN,
+ CPT_MSG_READY,
+ CPT_MSG_QLEN,
+ CPT_MSG_QBIND_GRP,
+ CPT_MSG_VQ_PRIORITY,
+};
+
+/* CPT mailbox structure */
+struct cpt_mbox {
+ u64 msg; /* Message type MBOX[0] */
+ u64 data;/* Data MBOX[1] */
+};
+
+/* Register read/write APIs */
+static inline void cpt_write_csr64(u8 __iomem *hw_addr, u64 offset,
+ u64 val)
+{
+ writeq(val, hw_addr + offset);
+}
+
+static inline u64 cpt_read_csr64(u8 __iomem *hw_addr, u64 offset)
+{
+ return readq(hw_addr + offset);
+}
+#endif /* __CPT_COMMON_H */
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cpt_hw_types.h b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cpt_hw_types.h
new file mode 100644
index 0000000..2796694
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cpt_hw_types.h
@@ -0,0 +1,658 @@
+/*
+ * Copyright (C) 2016 Cavium, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ */
+
+#ifndef __CPT_HW_TYPES_H
+#define __CPT_HW_TYPES_H
+
+#include "cpt_common.h"
+
+/**
+ * Enumeration cpt_comp_e
+ *
+ * CPT Completion Enumeration
+ * Enumerates the values of CPT_RES_S[COMPCODE].
+ */
+enum cpt_comp_e {
+ CPT_COMP_E_NOTDONE = 0x00,
+ CPT_COMP_E_GOOD = 0x01,
+ CPT_COMP_E_FAULT = 0x02,
+ CPT_COMP_E_SWERR = 0x03,
+ CPT_COMP_E_LAST_ENTRY = 0xFF
+};
+
+/**
+ * Structure cpt_inst_s
+ *
+ * CPT Instruction Structure
+ * This structure specifies the instruction layout. Instructions are
+ * stored in memory as little-endian unless CPT()_PF_Q()_CTL[INST_BE] is set.
+ * cpt_inst_s_s
+ * Word 0
+ * doneint:1 Done interrupt.
+ * 0 = No interrupts related to this instruction.
+ * 1 = When the instruction completes, CPT()_VQ()_DONE[DONE] will be
+ * incremented,and based on the rules described there an interrupt may
+ * occur.
+ * Word 1
+ * res_addr [127: 64] Result IOVA.
+ * If nonzero, specifies where to write CPT_RES_S.
+ * If zero, no result structure will be written.
+ * Address must be 16-byte aligned.
+ * Bits <63:49> are ignored by hardware; software should use a
+ * sign-extended bit <48> for forward compatibility.
+ * Word 2
+ * grp:10 [171:162] If [WQ_PTR] is nonzero, the SSO guest-group to use when
+ * CPT submits work SSO.
+ * For the SSO to not discard the add-work request, FPA_PF_MAP() must map
+ * [GRP] and CPT()_PF_Q()_GMCTL[GMID] as valid.
+ * tt:2 [161:160] If [WQ_PTR] is nonzero, the SSO tag type to use when CPT
+ * submits work to SSO
+ * tag:32 [159:128] If [WQ_PTR] is nonzero, the SSO tag to use when CPT
+ * submits work to SSO.
+ * Word 3
+ * wq_ptr [255:192] If [WQ_PTR] is nonzero, it is a pointer to a
+ * work-queue entry that CPT submits work to SSO after all context,
+ * output data, and result write operations are visible to other
+ * CNXXXX units and the cores. Bits <2:0> must be zero.
+ * Bits <63:49> are ignored by hardware; software should
+ * use a sign-extended bit <48> for forward compatibility.
+ * Internal:
+ * Bits <63:49>, <2:0> are ignored by hardware, treated as always 0x0.
+ * Word 4
+ * ei0; [319:256] Engine instruction word 0. Passed to the AE/SE.
+ * Word 5
+ * ei1; [383:320] Engine instruction word 1. Passed to the AE/SE.
+ * Word 6
+ * ei2; [447:384] Engine instruction word 1. Passed to the AE/SE.
+ * Word 7
+ * ei3; [511:448] Engine instruction word 1. Passed to the AE/SE.
+ *
+ */
+union cpt_inst_s {
+ u64 u[8];
+ struct cpt_inst_s_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_17_63:47;
+ u64 doneint:1;
+ u64 reserved_0_1:16;
+#else /* Word 0 - Little Endian */
+ u64 reserved_0_15:16;
+ u64 doneint:1;
+ u64 reserved_17_63:47;
+#endif /* Word 0 - End */
+ u64 res_addr;
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 2 - Big Endian */
+ u64 reserved_172_19:20;
+ u64 grp:10;
+ u64 tt:2;
+ u64 tag:32;
+#else /* Word 2 - Little Endian */
+ u64 tag:32;
+ u64 tt:2;
+ u64 grp:10;
+ u64 reserved_172_191:20;
+#endif /* Word 2 - End */
+ u64 wq_ptr;
+ u64 ei0;
+ u64 ei1;
+ u64 ei2;
+ u64 ei3;
+ } s;
+};
+
+/**
+ * Structure cpt_res_s
+ *
+ * CPT Result Structure
+ * The CPT coprocessor writes the result structure after it completes a
+ * CPT_INST_S instruction. The result structure is exactly 16 bytes, and
+ * each instruction completion produces exactly one result structure.
+ *
+ * This structure is stored in memory as little-endian unless
+ * CPT()_PF_Q()_CTL[INST_BE] is set.
+ * cpt_res_s_s
+ * Word 0
+ * doneint:1 [16:16] Done interrupt. This bit is copied from the
+ * corresponding instruction's CPT_INST_S[DONEINT].
+ * compcode:8 [7:0] Indicates completion/error status of the CPT coprocessor
+ * for the associated instruction, as enumerated by CPT_COMP_E.
+ * Core software may write the memory location containing [COMPCODE] to
+ * 0x0 before ringing the doorbell, and then poll for completion by
+ * checking for a nonzero value.
+ * Once the core observes a nonzero [COMPCODE] value in this case,the CPT
+ * coprocessor will have also completed L2/DRAM write operations.
+ * Word 1
+ * reserved
+ *
+ */
+union cpt_res_s {
+ u64 u[2];
+ struct cpt_res_s_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_17_63:47;
+ u64 doneint:1;
+ u64 reserved_8_15:8;
+ u64 compcode:8;
+#else /* Word 0 - Little Endian */
+ u64 compcode:8;
+ u64 reserved_8_15:8;
+ u64 doneint:1;
+ u64 reserved_17_63:47;
+#endif /* Word 0 - End */
+ u64 reserved_64_127;
+ } s;
+};
+
+/**
+ * Register (NCB) cpt#_pf_bist_status
+ *
+ * CPT PF Control Bist Status Register
+ * This register has the BIST status of memories. Each bit is the BIST result
+ * of an individual memory (per bit, 0 = pass and 1 = fail).
+ * cptx_pf_bist_status_s
+ * Word0
+ * bstatus [29:0](RO/H) BIST status. One bit per memory, enumerated by
+ * CPT_RAMS_E.
+ */
+union cptx_pf_bist_status {
+ u64 u;
+ struct cptx_pf_bist_status_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_30_63:34;
+ u64 bstatus:30;
+#else /* Word 0 - Little Endian */
+ u64 bstatus:30;
+ u64 reserved_30_63:34;
+#endif /* Word 0 - End */
+ } s;
+};
+
+/**
+ * Register (NCB) cpt#_pf_constants
+ *
+ * CPT PF Constants Register
+ * This register contains implementation-related parameters of CPT in CNXXXX.
+ * cptx_pf_constants_s
+ * Word 0
+ * reserved_40_63:24 [63:40] Reserved.
+ * epcis:8 [39:32](RO) Number of EPCI busses.
+ * grps:8 [31:24](RO) Number of engine groups implemented.
+ * ae:8 [23:16](RO/H) Number of AEs. In CNXXXX, for CPT0 returns 0x0,
+ * for CPT1 returns 0x18, or less if there are fuse-disables.
+ * se:8 [15:8](RO/H) Number of SEs. In CNXXXX, for CPT0 returns 0x30,
+ * or less if there are fuse-disables, for CPT1 returns 0x0.
+ * vq:8 [7:0](RO) Number of VQs.
+ */
+union cptx_pf_constants {
+ u64 u;
+ struct cptx_pf_constants_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_40_63:24;
+ u64 epcis:8;
+ u64 grps:8;
+ u64 ae:8;
+ u64 se:8;
+ u64 vq:8;
+#else /* Word 0 - Little Endian */
+ u64 vq:8;
+ u64 se:8;
+ u64 ae:8;
+ u64 grps:8;
+ u64 epcis:8;
+ u64 reserved_40_63:24;
+#endif /* Word 0 - End */
+ } s;
+};
+
+/**
+ * Register (NCB) cpt#_pf_exe_bist_status
+ *
+ * CPT PF Engine Bist Status Register
+ * This register has the BIST status of each engine. Each bit is the
+ * BIST result of an individual engine (per bit, 0 = pass and 1 = fail).
+ * cptx_pf_exe_bist_status_s
+ * Word0
+ * reserved_48_63:16 [63:48] reserved
+ * bstatus:48 [47:0](RO/H) BIST status. One bit per engine.
+ *
+ */
+union cptx_pf_exe_bist_status {
+ u64 u;
+ struct cptx_pf_exe_bist_status_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_48_63:16;
+ u64 bstatus:48;
+#else /* Word 0 - Little Endian */
+ u64 bstatus:48;
+ u64 reserved_48_63:16;
+#endif /* Word 0 - End */
+ } s;
+};
+
+/**
+ * Register (NCB) cpt#_pf_q#_ctl
+ *
+ * CPT Queue Control Register
+ * This register configures queues. This register should be changed only
+ * when quiescent (see CPT()_VQ()_INPROG[INFLIGHT]).
+ * cptx_pf_qx_ctl_s
+ * Word0
+ * reserved_60_63:4 [63:60] reserved.
+ * aura:12; [59:48](R/W) Guest-aura for returning this queue's
+ * instruction-chunk buffers to FPA. Only used when [INST_FREE] is set.
+ * For the FPA to not discard the request, FPA_PF_MAP() must map
+ * [AURA] and CPT()_PF_Q()_GMCTL[GMID] as valid.
+ * reserved_45_47:3 [47:45] reserved.
+ * size:13 [44:32](R/W) Command-buffer size, in number of 64-bit words per
+ * command buffer segment. Must be 8*n + 1, where n is the number of
+ * instructions per buffer segment.
+ * reserved_11_31:21 [31:11] Reserved.
+ * cont_err:1 [10:10](R/W) Continue on error.
+ * 0 = When CPT()_VQ()_MISC_INT[NWRP], CPT()_VQ()_MISC_INT[IRDE] or
+ * CPT()_VQ()_MISC_INT[DOVF] are set by hardware or software via
+ * CPT()_VQ()_MISC_INT_W1S, then CPT()_VQ()_CTL[ENA] is cleared. Due to
+ * pipelining, additional instructions may have been processed between the
+ * instruction causing the error and the next instruction in the disabled
+ * queue (the instruction at CPT()_VQ()_SADDR).
+ * 1 = Ignore errors and continue processing instructions.
+ * For diagnostic use only.
+ * inst_free:1 [9:9](R/W) Instruction FPA free. When set, when CPT reaches the
+ * end of an instruction chunk, that chunk will be freed to the FPA.
+ * inst_be:1 [8:8](R/W) Instruction big-endian control. When set, instructions,
+ * instruction next chunk pointers, and result structures are stored in
+ * big-endian format in memory.
+ * iqb_ldwb:1 [7:7](R/W) Instruction load don't write back.
+ * 0 = The hardware issues NCB transient load (LDT) towards the cache,
+ * which if the line hits and is is dirty will cause the line to be
+ * written back before being replaced.
+ * 1 = The hardware issues NCB LDWB read-and-invalidate command towards
+ * the cache when fetching the last word of instructions; as a result the
+ * line will not be written back when replaced. This improves
+ * performance, but software must not read the instructions after they are
+ * posted to the hardware. Reads that do not consume the last word of a
+ * cache line always use LDI.
+ * reserved_4_6:3 [6:4] Reserved.
+ * grp:3; [3:1](R/W) Engine group.
+ * pri:1; [0:0](R/W) Queue priority.
+ * 1 = This queue has higher priority. Round-robin between higher
+ * priority queues.
+ * 0 = This queue has lower priority. Round-robin between lower
+ * priority queues.
+ */
+union cptx_pf_qx_ctl {
+ u64 u;
+ struct cptx_pf_qx_ctl_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_60_63:4;
+ u64 aura:12;
+ u64 reserved_45_47:3;
+ u64 size:13;
+ u64 reserved_11_31:21;
+ u64 cont_err:1;
+ u64 inst_free:1;
+ u64 inst_be:1;
+ u64 iqb_ldwb:1;
+ u64 reserved_4_6:3;
+ u64 grp:3;
+ u64 pri:1;
+#else /* Word 0 - Little Endian */
+ u64 pri:1;
+ u64 grp:3;
+ u64 reserved_4_6:3;
+ u64 iqb_ldwb:1;
+ u64 inst_be:1;
+ u64 inst_free:1;
+ u64 cont_err:1;
+ u64 reserved_11_31:21;
+ u64 size:13;
+ u64 reserved_45_47:3;
+ u64 aura:12;
+ u64 reserved_60_63:4;
+#endif /* Word 0 - End */
+ } s;
+};
+
+/**
+ * Register (NCB) cpt#_vq#_saddr
+ *
+ * CPT Queue Starting Buffer Address Registers
+ * These registers set the instruction buffer starting address.
+ * cptx_vqx_saddr_s
+ * Word0
+ * reserved_49_63:15 [63:49] Reserved.
+ * ptr:43 [48:6](R/W/H) Instruction buffer IOVA <48:6> (64-byte aligned).
+ * When written, it is the initial buffer starting address; when read,
+ * it is the next read pointer to be requested from L2C. The PTR field
+ * is overwritten with the next pointer each time that the command buffer
+ * segment is exhausted. New commands will then be read from the newly
+ * specified command buffer pointer.
+ * reserved_0_5:6 [5:0] Reserved.
+ *
+ */
+union cptx_vqx_saddr {
+ u64 u;
+ struct cptx_vqx_saddr_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_49_63:15;
+ u64 ptr:43;
+ u64 reserved_0_5:6;
+#else /* Word 0 - Little Endian */
+ u64 reserved_0_5:6;
+ u64 ptr:43;
+ u64 reserved_49_63:15;
+#endif /* Word 0 - End */
+ } s;
+};
+
+/**
+ * Register (NCB) cpt#_vq#_misc_ena_w1s
+ *
+ * CPT Queue Misc Interrupt Enable Set Register
+ * This register sets interrupt enable bits.
+ * cptx_vqx_misc_ena_w1s_s
+ * Word0
+ * reserved_5_63:59 [63:5] Reserved.
+ * swerr:1 [4:4](R/W1S/H) Reads or sets enable for
+ * CPT(0..1)_VQ(0..63)_MISC_INT[SWERR].
+ * nwrp:1 [3:3](R/W1S/H) Reads or sets enable for
+ * CPT(0..1)_VQ(0..63)_MISC_INT[NWRP].
+ * irde:1 [2:2](R/W1S/H) Reads or sets enable for
+ * CPT(0..1)_VQ(0..63)_MISC_INT[IRDE].
+ * dovf:1 [1:1](R/W1S/H) Reads or sets enable for
+ * CPT(0..1)_VQ(0..63)_MISC_INT[DOVF].
+ * mbox:1 [0:0](R/W1S/H) Reads or sets enable for
+ * CPT(0..1)_VQ(0..63)_MISC_INT[MBOX].
+ *
+ */
+union cptx_vqx_misc_ena_w1s {
+ u64 u;
+ struct cptx_vqx_misc_ena_w1s_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_5_63:59;
+ u64 swerr:1;
+ u64 nwrp:1;
+ u64 irde:1;
+ u64 dovf:1;
+ u64 mbox:1;
+#else /* Word 0 - Little Endian */
+ u64 mbox:1;
+ u64 dovf:1;
+ u64 irde:1;
+ u64 nwrp:1;
+ u64 swerr:1;
+ u64 reserved_5_63:59;
+#endif /* Word 0 - End */
+ } s;
+};
+
+/**
+ * Register (NCB) cpt#_vq#_doorbell
+ *
+ * CPT Queue Doorbell Registers
+ * Doorbells for the CPT instruction queues.
+ * cptx_vqx_doorbell_s
+ * Word0
+ * reserved_20_63:44 [63:20] Reserved.
+ * dbell_cnt:20 [19:0](R/W/H) Number of instruction queue 64-bit words to add
+ * to the CPT instruction doorbell count. Readback value is the the
+ * current number of pending doorbell requests. If counter overflows
+ * CPT()_VQ()_MISC_INT[DBELL_DOVF] is set. To reset the count back to
+ * zero, write one to clear CPT()_VQ()_MISC_INT_ENA_W1C[DBELL_DOVF],
+ * then write a value of 2^20 minus the read [DBELL_CNT], then write one
+ * to CPT()_VQ()_MISC_INT_W1C[DBELL_DOVF] and
+ * CPT()_VQ()_MISC_INT_ENA_W1S[DBELL_DOVF]. Must be a multiple of 8.
+ * All CPT instructions are 8 words and require a doorbell count of
+ * multiple of 8.
+ */
+union cptx_vqx_doorbell {
+ u64 u;
+ struct cptx_vqx_doorbell_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_20_63:44;
+ u64 dbell_cnt:20;
+#else /* Word 0 - Little Endian */
+ u64 dbell_cnt:20;
+ u64 reserved_20_63:44;
+#endif /* Word 0 - End */
+ } s;
+};
+
+/**
+ * Register (NCB) cpt#_vq#_inprog
+ *
+ * CPT Queue In Progress Count Registers
+ * These registers contain the per-queue instruction in flight registers.
+ * cptx_vqx_inprog_s
+ * Word0
+ * reserved_8_63:56 [63:8] Reserved.
+ * inflight:8 [7:0](RO/H) Inflight count. Counts the number of instructions
+ * for the VF for which CPT is fetching, executing or responding to
+ * instructions. However this does not include any interrupts that are
+ * awaiting software handling (CPT()_VQ()_DONE[DONE] != 0x0).
+ * A queue may not be reconfigured until:
+ * 1. CPT()_VQ()_CTL[ENA] is cleared by software.
+ * 2. [INFLIGHT] is polled until equals to zero.
+ */
+union cptx_vqx_inprog {
+ u64 u;
+ struct cptx_vqx_inprog_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_8_63:56;
+ u64 inflight:8;
+#else /* Word 0 - Little Endian */
+ u64 inflight:8;
+ u64 reserved_8_63:56;
+#endif /* Word 0 - End */
+ } s;
+};
+
+/**
+ * Register (NCB) cpt#_vq#_misc_int
+ *
+ * CPT Queue Misc Interrupt Register
+ * These registers contain the per-queue miscellaneous interrupts.
+ * cptx_vqx_misc_int_s
+ * Word 0
+ * reserved_5_63:59 [63:5] Reserved.
+ * swerr:1 [4:4](R/W1C/H) Software error from engines.
+ * nwrp:1 [3:3](R/W1C/H) NCB result write response error.
+ * irde:1 [2:2](R/W1C/H) Instruction NCB read response error.
+ * dovf:1 [1:1](R/W1C/H) Doorbell overflow.
+ * mbox:1 [0:0](R/W1C/H) PF to VF mailbox interrupt. Set when
+ * CPT()_VF()_PF_MBOX(0) is written.
+ *
+ */
+union cptx_vqx_misc_int {
+ u64 u;
+ struct cptx_vqx_misc_int_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_5_63:59;
+ u64 swerr:1;
+ u64 nwrp:1;
+ u64 irde:1;
+ u64 dovf:1;
+ u64 mbox:1;
+#else /* Word 0 - Little Endian */
+ u64 mbox:1;
+ u64 dovf:1;
+ u64 irde:1;
+ u64 nwrp:1;
+ u64 swerr:1;
+ u64 reserved_5_63:59;
+#endif /* Word 0 - End */
+ } s;
+};
+
+/**
+ * Register (NCB) cpt#_vq#_done_ack
+ *
+ * CPT Queue Done Count Ack Registers
+ * This register is written by software to acknowledge interrupts.
+ * cptx_vqx_done_ack_s
+ * Word0
+ * reserved_20_63:44 [63:20] Reserved.
+ * done_ack:20 [19:0](R/W/H) Number of decrements to CPT()_VQ()_DONE[DONE].
+ * Reads CPT()_VQ()_DONE[DONE]. Written by software to acknowledge
+ * interrupts. If CPT()_VQ()_DONE[DONE] is still nonzero the interrupt
+ * will be re-sent if the conditions described in CPT()_VQ()_DONE[DONE]
+ * are satisfied.
+ *
+ */
+union cptx_vqx_done_ack {
+ u64 u;
+ struct cptx_vqx_done_ack_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_20_63:44;
+ u64 done_ack:20;
+#else /* Word 0 - Little Endian */
+ u64 done_ack:20;
+ u64 reserved_20_63:44;
+#endif /* Word 0 - End */
+ } s;
+};
+
+/**
+ * Register (NCB) cpt#_vq#_done
+ *
+ * CPT Queue Done Count Registers
+ * These registers contain the per-queue instruction done count.
+ * cptx_vqx_done_s
+ * Word0
+ * reserved_20_63:44 [63:20] Reserved.
+ * done:20 [19:0](R/W/H) Done count. When CPT_INST_S[DONEINT] set and that
+ * instruction completes, CPT()_VQ()_DONE[DONE] is incremented when the
+ * instruction finishes. Write to this field are for diagnostic use only;
+ * instead software writes CPT()_VQ()_DONE_ACK with the number of
+ * decrements for this field.
+ * Interrupts are sent as follows:
+ * * When CPT()_VQ()_DONE[DONE] = 0, then no results are pending, the
+ * interrupt coalescing timer is held to zero, and an interrupt is not
+ * sent.
+ * * When CPT()_VQ()_DONE[DONE] != 0, then the interrupt coalescing timer
+ * counts. If the counter is >= CPT()_VQ()_DONE_WAIT[TIME_WAIT]*1024, or
+ * CPT()_VQ()_DONE[DONE] >= CPT()_VQ()_DONE_WAIT[NUM_WAIT], i.e. enough
+ * time has passed or enough results have arrived, then the interrupt is
+ * sent.
+ * * When CPT()_VQ()_DONE_ACK is written (or CPT()_VQ()_DONE is written
+ * but this is not typical), the interrupt coalescing timer restarts.
+ * Note after decrementing this interrupt equation is recomputed,
+ * for example if CPT()_VQ()_DONE[DONE] >= CPT()_VQ()_DONE_WAIT[NUM_WAIT]
+ * and because the timer is zero, the interrupt will be resent immediately.
+ * (This covers the race case between software acknowledging an interrupt
+ * and a result returning.)
+ * * When CPT()_VQ()_DONE_ENA_W1S[DONE] = 0, interrupts are not sent,
+ * but the counting described above still occurs.
+ * Since CPT instructions complete out-of-order, if software is using
+ * completion interrupts the suggested scheme is to request a DONEINT on
+ * each request, and when an interrupt arrives perform a "greedy" scan for
+ * completions; even if a later command is acknowledged first this will
+ * not result in missing a completion.
+ * Software is responsible for making sure [DONE] does not overflow;
+ * for example by insuring there are not more than 2^20-1 instructions in
+ * flight that may request interrupts.
+ *
+ */
+union cptx_vqx_done {
+ u64 u;
+ struct cptx_vqx_done_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_20_63:44;
+ u64 done:20;
+#else /* Word 0 - Little Endian */
+ u64 done:20;
+ u64 reserved_20_63:44;
+#endif /* Word 0 - End */
+ } s;
+};
+
+/**
+ * Register (NCB) cpt#_vq#_done_wait
+ *
+ * CPT Queue Done Interrupt Coalescing Wait Registers
+ * Specifies the per queue interrupt coalescing settings.
+ * cptx_vqx_done_wait_s
+ * Word0
+ * reserved_48_63:16 [63:48] Reserved.
+ * time_wait:16; [47:32](R/W) Time hold-off. When CPT()_VQ()_DONE[DONE] = 0
+ * or CPT()_VQ()_DONE_ACK is written a timer is cleared. When the timer
+ * reaches [TIME_WAIT]*1024 then interrupt coalescing ends.
+ * see CPT()_VQ()_DONE[DONE]. If 0x0, time coalescing is disabled.
+ * reserved_20_31:12 [31:20] Reserved.
+ * num_wait:20 [19:0](R/W) Number of messages hold-off.
+ * When CPT()_VQ()_DONE[DONE] >= [NUM_WAIT] then interrupt coalescing ends
+ * see CPT()_VQ()_DONE[DONE]. If 0x0, same behavior as 0x1.
+ *
+ */
+union cptx_vqx_done_wait {
+ u64 u;
+ struct cptx_vqx_done_wait_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_48_63:16;
+ u64 time_wait:16;
+ u64 reserved_20_31:12;
+ u64 num_wait:20;
+#else /* Word 0 - Little Endian */
+ u64 num_wait:20;
+ u64 reserved_20_31:12;
+ u64 time_wait:16;
+ u64 reserved_48_63:16;
+#endif /* Word 0 - End */
+ } s;
+};
+
+/**
+ * Register (NCB) cpt#_vq#_done_ena_w1s
+ *
+ * CPT Queue Done Interrupt Enable Set Registers
+ * Write 1 to these registers will enable the DONEINT interrupt for the queue.
+ * cptx_vqx_done_ena_w1s_s
+ * Word0
+ * reserved_1_63:63 [63:1] Reserved.
+ * done:1 [0:0](R/W1S/H) Write 1 will enable DONEINT for this queue.
+ * Write 0 has no effect. Read will return the enable bit.
+ */
+union cptx_vqx_done_ena_w1s {
+ u64 u;
+ struct cptx_vqx_done_ena_w1s_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_1_63:63;
+ u64 done:1;
+#else /* Word 0 - Little Endian */
+ u64 done:1;
+ u64 reserved_1_63:63;
+#endif /* Word 0 - End */
+ } s;
+};
+
+/**
+ * Register (NCB) cpt#_vq#_ctl
+ *
+ * CPT VF Queue Control Registers
+ * This register configures queues. This register should be changed (other than
+ * clearing [ENA]) only when quiescent (see CPT()_VQ()_INPROG[INFLIGHT]).
+ * cptx_vqx_ctl_s
+ * Word0
+ * reserved_1_63:63 [63:1] Reserved.
+ * ena:1 [0:0](R/W/H) Enables the logical instruction queue.
+ * See also CPT()_PF_Q()_CTL[CONT_ERR] and CPT()_VQ()_INPROG[INFLIGHT].
+ * 1 = Queue is enabled.
+ * 0 = Queue is disabled.
+ */
+union cptx_vqx_ctl {
+ u64 u;
+ struct cptx_vqx_ctl_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_1_63:63;
+ u64 ena:1;
+#else /* Word 0 - Little Endian */
+ u64 ena:1;
+ u64 reserved_1_63:63;
+#endif /* Word 0 - End */
+ } s;
+};
+#endif /*__CPT_HW_TYPES_H*/
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptpf.h b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptpf.h
new file mode 100644
index 0000000..c0556c5
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptpf.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2016 Cavium, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ */
+
+#ifndef __CPTPF_H
+#define __CPTPF_H
+
+#include "cpt_common.h"
+
+#define CSR_DELAY 30
+#define CPT_MAX_CORE_GROUPS 8
+#define CPT_MAX_SE_CORES 10
+#define CPT_MAX_AE_CORES 6
+#define CPT_MAX_TOTAL_CORES (CPT_MAX_SE_CORES + CPT_MAX_AE_CORES)
+#define CPT_MAX_VF_NUM 16
+#define CPT_PF_MSIX_VECTORS 3
+#define CPT_PF_INT_VEC_E_MBOXX(a) (0x02 + (a))
+#define CPT_UCODE_VERSION_SZ 32
+struct cpt_device;
+
+struct microcode {
+ u8 is_mc_valid;
+ u8 is_ae;
+ u8 group;
+ u8 num_cores;
+ u32 code_size;
+ u64 core_mask;
+ u8 version[CPT_UCODE_VERSION_SZ];
+ /* Base info */
+ dma_addr_t phys_base;
+ void *code;
+};
+
+struct cpt_vf_info {
+ u8 state;
+ u8 priority;
+ u8 id;
+ u32 qlen;
+};
+
+/**
+ * cpt device structure
+ */
+struct cpt_device {
+ u16 flags; /* Flags to hold device status bits */
+ u8 num_vf_en; /* Number of VFs enabled (0...CPT_MAX_VF_NUM) */
+ struct cpt_vf_info vfinfo[CPT_MAX_VF_NUM]; /* Per VF info */
+
+ void __iomem *reg_base; /* Register start address */
+ struct pci_dev *pdev; /* pci device handle */
+
+ struct microcode mcode[CPT_MAX_CORE_GROUPS];
+ u8 next_mc_idx; /* next microcode index */
+ u8 next_group;
+ u8 max_se_cores;
+ u8 max_ae_cores;
+};
+
+void cpt_mbox_intr_handler(struct cpt_device *cpt, int mbx);
+#endif /* __CPTPF_H */
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptpf_main.c b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptpf_main.c
new file mode 100644
index 0000000..34a6d8b
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptpf_main.c
@@ -0,0 +1,675 @@
+/*
+ * Copyright (C) 2016 Cavium, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ */
+
+#include <linux/device.h>
+#include <linux/firmware.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/pci.h>
+#include <linux/printk.h>
+#include <linux/version.h>
+
+#include "cptpf.h"
+
+#define DRV_NAME "thunder-cpt"
+#define DRV_VERSION "1.0"
+
+static u32 num_vfs = 4; /* Default 4 VF enabled */
+module_param(num_vfs, uint, 0444);
+MODULE_PARM_DESC(num_vfs, "Number of VFs to enable(1-16)");
+
+/*
+ * Disable cores specified by coremask
+ */
+static void cpt_disable_cores(struct cpt_device *cpt, u64 coremask,
+ u8 type, u8 grp)
+{
+ u64 pf_exe_ctl;
+ u32 timeout = 100;
+ u64 grpmask = 0;
+ struct device *dev = &cpt->pdev->dev;
+
+ if (type == AE_TYPES)
+ coremask = (coremask << cpt->max_se_cores);
+
+ /* Disengage the cores from groups */
+ grpmask = cpt_read_csr64(cpt->reg_base, CPTX_PF_GX_EN(0, grp));
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_GX_EN(0, grp),
+ (grpmask & ~coremask));
+ udelay(CSR_DELAY);
+ grp = cpt_read_csr64(cpt->reg_base, CPTX_PF_EXEC_BUSY(0));
+ while (grp & coremask) {
+ dev_err(dev, "Cores still busy %llx", coremask);
+ grp = cpt_read_csr64(cpt->reg_base,
+ CPTX_PF_EXEC_BUSY(0));
+ if (timeout--)
+ break;
+
+ udelay(CSR_DELAY);
+ }
+
+ /* Disable the cores */
+ pf_exe_ctl = cpt_read_csr64(cpt->reg_base, CPTX_PF_EXE_CTL(0));
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_EXE_CTL(0),
+ (pf_exe_ctl & ~coremask));
+ udelay(CSR_DELAY);
+}
+
+/*
+ * Enable cores specified by coremask
+ */
+static void cpt_enable_cores(struct cpt_device *cpt, u64 coremask,
+ u8 type)
+{
+ u64 pf_exe_ctl;
+
+ if (type == AE_TYPES)
+ coremask = (coremask << cpt->max_se_cores);
+
+ pf_exe_ctl = cpt_read_csr64(cpt->reg_base, CPTX_PF_EXE_CTL(0));
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_EXE_CTL(0),
+ (pf_exe_ctl | coremask));
+ udelay(CSR_DELAY);
+}
+
+static void cpt_configure_group(struct cpt_device *cpt, u8 grp,
+ u64 coremask, u8 type)
+{
+ u64 pf_gx_en = 0;
+
+ if (type == AE_TYPES)
+ coremask = (coremask << cpt->max_se_cores);
+
+ pf_gx_en = cpt_read_csr64(cpt->reg_base, CPTX_PF_GX_EN(0, grp));
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_GX_EN(0, grp),
+ (pf_gx_en | coremask));
+ udelay(CSR_DELAY);
+}
+
+static void cpt_disable_mbox_interrupts(struct cpt_device *cpt)
+{
+ /* Clear mbox(0) interupts for all vfs */
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_MBOX_ENA_W1CX(0, 0), ~0ull);
+}
+
+static void cpt_disable_ecc_interrupts(struct cpt_device *cpt)
+{
+ /* Clear ecc(0) interupts for all vfs */
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_ECC0_ENA_W1C(0), ~0ull);
+}
+
+static void cpt_disable_exec_interrupts(struct cpt_device *cpt)
+{
+ /* Clear exec interupts for all vfs */
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_EXEC_ENA_W1C(0), ~0ull);
+}
+
+static void cpt_disable_all_interrupts(struct cpt_device *cpt)
+{
+ cpt_disable_mbox_interrupts(cpt);
+ cpt_disable_ecc_interrupts(cpt);
+ cpt_disable_exec_interrupts(cpt);
+}
+
+static void cpt_enable_mbox_interrupts(struct cpt_device *cpt)
+{
+ /* Set mbox(0) interupts for all vfs */
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_MBOX_ENA_W1SX(0, 0), ~0ull);
+}
+
+static int cpt_load_microcode(struct cpt_device *cpt, struct microcode *mcode)
+{
+ int ret = 0, core = 0, shift = 0;
+ u32 total_cores = 0;
+ struct device *dev = &cpt->pdev->dev;
+
+ if (!mcode || !mcode->code) {
+ dev_err(dev, "Either the mcode is null or data is NULL\n");
+ return -EINVAL;
+ }
+
+ if (mcode->code_size == 0) {
+ dev_err(dev, "microcode size is 0\n");
+ return -EINVAL;
+ }
+
+ /* Assumes 0-9 are SE cores for UCODE_BASE registers and
+ * AE core bases follow
+ */
+ if (mcode->is_ae) {
+ core = CPT_MAX_SE_CORES; /* start couting from 10 */
+ total_cores = CPT_MAX_TOTAL_CORES; /* upto 15 */
+ } else {
+ core = 0; /* start couting from 0 */
+ total_cores = CPT_MAX_SE_CORES; /* upto 9 */
+ }
+
+ /* Point to microcode for each core of the group */
+ for (; core < total_cores ; core++, shift++) {
+ if (mcode->core_mask & (1 << shift)) {
+ cpt_write_csr64(cpt->reg_base,
+ CPTX_PF_ENGX_UCODE_BASE(0, core),
+ (u64)mcode->phys_base);
+ }
+ }
+ return ret;
+}
+
+static int do_cpt_init(struct cpt_device *cpt, struct microcode *mcode)
+{
+ int ret = 0;
+ struct device *dev = &cpt->pdev->dev;
+
+ /* Make device not ready */
+ cpt->flags &= ~CPT_FLAG_DEVICE_READY;
+ /* Disable All PF interrupts */
+ cpt_disable_all_interrupts(cpt);
+ /* Calculate mcode group and coremasks */
+ if (mcode->is_ae) {
+ if (mcode->num_cores > cpt->max_ae_cores) {
+ dev_err(dev, "Requested for more cores than available AE cores\n");
+ ret = -EINVAL;
+ goto cpt_init_fail;
+ }
+
+ if (cpt->next_group >= CPT_MAX_CORE_GROUPS) {
+ dev_err(dev, "Can't load, all eight microcode groups in use");
+ return -ENFILE;
+ }
+
+ mcode->group = cpt->next_group;
+ /* Convert requested cores to mask */
+ mcode->core_mask = GENMASK(mcode->num_cores, 0);
+ cpt_disable_cores(cpt, mcode->core_mask, AE_TYPES,
+ mcode->group);
+ /* Load microcode for AE engines */
+ ret = cpt_load_microcode(cpt, mcode);
+ if (ret) {
+ dev_err(dev, "Microcode load Failed for %s\n",
+ mcode->version);
+ goto cpt_init_fail;
+ }
+ cpt->next_group++;
+ /* Configure group mask for the mcode */
+ cpt_configure_group(cpt, mcode->group, mcode->core_mask,
+ AE_TYPES);
+ /* Enable AE cores for the group mask */
+ cpt_enable_cores(cpt, mcode->core_mask, AE_TYPES);
+ } else {
+ if (mcode->num_cores > cpt->max_se_cores) {
+ dev_err(dev, "Requested for more cores than available SE cores\n");
+ ret = -EINVAL;
+ goto cpt_init_fail;
+ }
+ if (cpt->next_group >= CPT_MAX_CORE_GROUPS) {
+ dev_err(dev, "Can't load, all eight microcode groups in use");
+ return -ENFILE;
+ }
+
+ mcode->group = cpt->next_group;
+ /* Covert requested cores to mask */
+ mcode->core_mask = GENMASK(mcode->num_cores, 0);
+ cpt_disable_cores(cpt, mcode->core_mask, SE_TYPES,
+ mcode->group);
+ /* Load microcode for SE engines */
+ ret = cpt_load_microcode(cpt, mcode);
+ if (ret) {
+ dev_err(dev, "Microcode load Failed for %s\n",
+ mcode->version);
+ goto cpt_init_fail;
+ }
+ cpt->next_group++;
+ /* Configure group mask for the mcode */
+ cpt_configure_group(cpt, mcode->group, mcode->core_mask,
+ SE_TYPES);
+ /* Enable SE cores for the group mask */
+ cpt_enable_cores(cpt, mcode->core_mask, SE_TYPES);
+ }
+
+ /* Enabled PF mailbox interrupts */
+ cpt_enable_mbox_interrupts(cpt);
+ cpt->flags |= CPT_FLAG_DEVICE_READY;
+
+ return ret;
+
+cpt_init_fail:
+ /* Enabled PF mailbox interrupts */
+ cpt_enable_mbox_interrupts(cpt);
+
+ return ret;
+}
+
+struct ucode_header {
+ u8 version[CPT_UCODE_VERSION_SZ];
+ u32 code_length;
+ u32 data_length;
+ u64 sram_address;
+};
+
+static int cpt_ucode_load_fw(struct cpt_device *cpt, const u8 *fw, bool is_ae)
+{
+ const struct firmware *fw_entry;
+ struct device *dev = &cpt->pdev->dev;
+ struct ucode_header *ucode;
+ struct microcode *mcode;
+ int j, ret = 0;
+
+ ret = request_firmware(&fw_entry, fw, dev);
+ if (ret)
+ return ret;
+
+ ucode = (struct ucode_header *)fw_entry->data;
+ mcode = &cpt->mcode[cpt->next_mc_idx];
+ memcpy(mcode->version, (u8 *)fw_entry->data, CPT_UCODE_VERSION_SZ);
+ mcode->code_size = ntohl(ucode->code_length) * 2;
+ if (!mcode->code_size) {
+ ret = -EINVAL;
+ goto fw_release;
+ }
+
+ mcode->is_ae = is_ae;
+ mcode->core_mask = 0ULL;
+ mcode->num_cores = is_ae ? 6 : 10;
+
+ /* Allocate DMAable space */
+ mcode->code = dma_zalloc_coherent(&cpt->pdev->dev, mcode->code_size,
+ &mcode->phys_base, GFP_KERNEL);
+ if (!mcode->code) {
+ dev_err(dev, "Unable to allocate space for microcode");
+ ret = -ENOMEM;
+ goto fw_release;
+ }
+
+ memcpy((void *)mcode->code, (void *)(fw_entry->data + sizeof(*ucode)),
+ mcode->code_size);
+
+ /* Byte swap 64-bit */
+ for (j = 0; j < (mcode->code_size / 8); j++)
+ ((u64 *)mcode->code)[j] = cpu_to_be64(((u64 *)mcode->code)[j]);
+ /* MC needs 16-bit swap */
+ for (j = 0; j < (mcode->code_size / 2); j++)
+ ((u16 *)mcode->code)[j] = cpu_to_be16(((u16 *)mcode->code)[j]);
+
+ dev_dbg(dev, "mcode->code_size = %u\n", mcode->code_size);
+ dev_dbg(dev, "mcode->is_ae = %u\n", mcode->is_ae);
+ dev_dbg(dev, "mcode->num_cores = %u\n", mcode->num_cores);
+ dev_dbg(dev, "mcode->code = %llx\n", (u64)mcode->code);
+ dev_dbg(dev, "mcode->phys_base = %llx\n", mcode->phys_base);
+
+ ret = do_cpt_init(cpt, mcode);
+ if (ret) {
+ dev_err(dev, "do_cpt_init failed with ret: %d\n", ret);
+ goto fw_release;
+ }
+
+ dev_info(dev, "Microcode Loaded %s\n", mcode->version);
+ mcode->is_mc_valid = 1;
+ cpt->next_mc_idx++;
+
+fw_release:
+ release_firmware(fw_entry);
+
+ return ret;
+}
+
+static int cpt_ucode_load(struct cpt_device *cpt)
+{
+ int ret = 0;
+ struct device *dev = &cpt->pdev->dev;
+
+ ret = cpt_ucode_load_fw(cpt, "cpt8x-mc-ae.out", true);
+ if (ret) {
+ dev_err(dev, "ae:cpt_ucode_load failed with ret: %d\n", ret);
+ return ret;
+ }
+ ret = cpt_ucode_load_fw(cpt, "cpt8x-mc-se.out", false);
+ if (ret) {
+ dev_err(dev, "se:cpt_ucode_load failed with ret: %d\n", ret);
+ return ret;
+ }
+
+ return ret;
+}
+
+static irqreturn_t cpt_mbx0_intr_handler(int irq, void *cpt_irq)
+{
+ struct cpt_device *cpt = (struct cpt_device *)cpt_irq;
+
+ cpt_mbox_intr_handler(cpt, 0);
+
+ return IRQ_HANDLED;
+}
+
+static void cpt_reset(struct cpt_device *cpt)
+{
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_RESET(0), 1);
+}
+
+static void cpt_find_max_enabled_cores(struct cpt_device *cpt)
+{
+ union cptx_pf_constants pf_cnsts = {0};
+
+ pf_cnsts.u = cpt_read_csr64(cpt->reg_base, CPTX_PF_CONSTANTS(0));
+ cpt->max_se_cores = pf_cnsts.s.se;
+ cpt->max_ae_cores = pf_cnsts.s.ae;
+}
+
+static u32 cpt_check_bist_status(struct cpt_device *cpt)
+{
+ union cptx_pf_bist_status bist_sts = {0};
+
+ bist_sts.u = cpt_read_csr64(cpt->reg_base,
+ CPTX_PF_BIST_STATUS(0));
+
+ return bist_sts.u;
+}
+
+static u64 cpt_check_exe_bist_status(struct cpt_device *cpt)
+{
+ union cptx_pf_exe_bist_status bist_sts = {0};
+
+ bist_sts.u = cpt_read_csr64(cpt->reg_base,
+ CPTX_PF_EXE_BIST_STATUS(0));
+
+ return bist_sts.u;
+}
+
+static void cpt_disable_all_cores(struct cpt_device *cpt)
+{
+ u32 grp, timeout = 100;
+ struct device *dev = &cpt->pdev->dev;
+
+ /* Disengage the cores from groups */
+ for (grp = 0; grp < CPT_MAX_CORE_GROUPS; grp++) {
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_GX_EN(0, grp), 0);
+ udelay(CSR_DELAY);
+ }
+
+ grp = cpt_read_csr64(cpt->reg_base, CPTX_PF_EXEC_BUSY(0));
+ while (grp) {
+ dev_err(dev, "Cores still busy");
+ grp = cpt_read_csr64(cpt->reg_base,
+ CPTX_PF_EXEC_BUSY(0));
+ if (timeout--)
+ break;
+
+ udelay(CSR_DELAY);
+ }
+ /* Disable the cores */
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_EXE_CTL(0), 0);
+}
+
+/**
+ * Ensure all cores are disengaged from all groups by
+ * calling cpt_disable_all_cores() before calling this
+ * function.
+ */
+static void cpt_unload_microcode(struct cpt_device *cpt)
+{
+ u32 grp = 0, core;
+
+ /* Free microcode bases and reset group masks */
+ for (grp = 0; grp < CPT_MAX_CORE_GROUPS; grp++) {
+ struct microcode *mcode = &cpt->mcode[grp];
+
+ if (cpt->mcode[grp].code)
+ dma_free_coherent(&cpt->pdev->dev, mcode->code_size,
+ mcode->code, mcode->phys_base);
+ mcode->code = NULL;
+ }
+ /* Clear UCODE_BASE registers for all engines */
+ for (core = 0; core < CPT_MAX_TOTAL_CORES; core++)
+ cpt_write_csr64(cpt->reg_base,
+ CPTX_PF_ENGX_UCODE_BASE(0, core), 0ull);
+}
+
+static int cpt_device_init(struct cpt_device *cpt)
+{
+ u64 bist;
+ struct device *dev = &cpt->pdev->dev;
+
+ /* Reset the PF when probed first */
+ cpt_reset(cpt);
+ mdelay(100);
+
+ /*Check BIST status*/
+ bist = (u64)cpt_check_bist_status(cpt);
+ if (bist) {
+ dev_err(dev, "RAM BIST failed with code 0x%llx", bist);
+ return -ENODEV;
+ }
+
+ bist = cpt_check_exe_bist_status(cpt);
+ if (bist) {
+ dev_err(dev, "Engine BIST failed with code 0x%llx", bist);
+ return -ENODEV;
+ }
+
+ /*Get CLK frequency*/
+ /*Get max enabled cores */
+ cpt_find_max_enabled_cores(cpt);
+ /*Disable all cores*/
+ cpt_disable_all_cores(cpt);
+ /*Reset device parameters*/
+ cpt->next_mc_idx = 0;
+ cpt->next_group = 0;
+ /* PF is ready */
+ cpt->flags |= CPT_FLAG_DEVICE_READY;
+
+ return 0;
+}
+
+static int cpt_register_interrupts(struct cpt_device *cpt)
+{
+ int ret;
+ struct device *dev = &cpt->pdev->dev;
+
+ /* Enable MSI-X */
+ ret = pci_alloc_irq_vectors(cpt->pdev, CPT_PF_MSIX_VECTORS,
+ CPT_PF_MSIX_VECTORS, PCI_IRQ_MSIX);
+ if (ret < 0) {
+ dev_err(&cpt->pdev->dev, "Request for #%d msix vectors failed\n",
+ CPT_PF_MSIX_VECTORS);
+ return ret;
+ }
+
+ /* Register mailbox interrupt handlers */
+ ret = request_irq(pci_irq_vector(cpt->pdev, CPT_PF_INT_VEC_E_MBOXX(0)),
+ cpt_mbx0_intr_handler, 0, "CPT Mbox0", cpt);
+ if (ret)
+ goto fail;
+
+ /* Enable mailbox interrupt */
+ cpt_enable_mbox_interrupts(cpt);
+ return 0;
+
+fail:
+ dev_err(dev, "Request irq failed\n");
+ pci_disable_msix(cpt->pdev);
+ return ret;
+}
+
+static void cpt_unregister_interrupts(struct cpt_device *cpt)
+{
+ free_irq(pci_irq_vector(cpt->pdev, CPT_PF_INT_VEC_E_MBOXX(0)), cpt);
+ pci_disable_msix(cpt->pdev);
+}
+
+static int cpt_sriov_init(struct cpt_device *cpt, int num_vfs)
+{
+ int pos = 0;
+ int err;
+ u16 total_vf_cnt;
+ struct pci_dev *pdev = cpt->pdev;
+
+ pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
+ if (!pos) {
+ dev_err(&pdev->dev, "SRIOV capability is not found in PCIe config space\n");
+ return -ENODEV;
+ }
+
+ cpt->num_vf_en = num_vfs; /* User requested VFs */
+ pci_read_config_word(pdev, (pos + PCI_SRIOV_TOTAL_VF), &total_vf_cnt);
+ if (total_vf_cnt < cpt->num_vf_en)
+ cpt->num_vf_en = total_vf_cnt;
+
+ if (!total_vf_cnt)
+ return 0;
+
+ /*Enabled the available VFs */
+ err = pci_enable_sriov(pdev, cpt->num_vf_en);
+ if (err) {
+ dev_err(&pdev->dev, "SRIOV enable failed, num VF is %d\n",
+ cpt->num_vf_en);
+ cpt->num_vf_en = 0;
+ return err;
+ }
+
+ /* TODO: Optionally enable static VQ priorities feature */
+
+ dev_info(&pdev->dev, "SRIOV enabled, number of VF available %d\n",
+ cpt->num_vf_en);
+
+ cpt->flags |= CPT_FLAG_SRIOV_ENABLED;
+
+ return 0;
+}
+
+static int cpt_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ struct device *dev = &pdev->dev;
+ struct cpt_device *cpt;
+ int err;
+
+ if (num_vfs > 16 || num_vfs < 4) {
+ dev_warn(dev, "Invalid vf count %d, Resetting it to 4(default)\n",
+ num_vfs);
+ num_vfs = 4;
+ }
+
+ cpt = devm_kzalloc(dev, sizeof(*cpt), GFP_KERNEL);
+ if (!cpt)
+ return -ENOMEM;
+
+ pci_set_drvdata(pdev, cpt);
+ cpt->pdev = pdev;
+ err = pci_enable_device(pdev);
+ if (err) {
+ dev_err(dev, "Failed to enable PCI device\n");
+ pci_set_drvdata(pdev, NULL);
+ return err;
+ }
+
+ err = pci_request_regions(pdev, DRV_NAME);
+ if (err) {
+ dev_err(dev, "PCI request regions failed 0x%x\n", err);
+ goto cpt_err_disable_device;
+ }
+
+ err = pci_set_dma_mask(pdev, DMA_BIT_MASK(48));
+ if (err) {
+ dev_err(dev, "Unable to get usable DMA configuration\n");
+ goto cpt_err_release_regions;
+ }
+
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(48));
+ if (err) {
+ dev_err(dev, "Unable to get 48-bit DMA for consistent allocations\n");
+ goto cpt_err_release_regions;
+ }
+
+ /* MAP PF's configuration registers */
+ cpt->reg_base = pcim_iomap(pdev, 0, 0);
+ if (!cpt->reg_base) {
+ dev_err(dev, "Cannot map config register space, aborting\n");
+ err = -ENOMEM;
+ goto cpt_err_release_regions;
+ }
+
+ /* CPT device HW initialization */
+ cpt_device_init(cpt);
+
+ /* Register interrupts */
+ err = cpt_register_interrupts(cpt);
+ if (err)
+ goto cpt_err_release_regions;
+
+ err = cpt_ucode_load(cpt);
+ if (err)
+ goto cpt_err_unregister_interrupts;
+
+ /* Configure SRIOV */
+ err = cpt_sriov_init(cpt, num_vfs);
+ if (err)
+ goto cpt_err_unregister_interrupts;
+
+ return 0;
+
+cpt_err_unregister_interrupts:
+ cpt_unregister_interrupts(cpt);
+cpt_err_release_regions:
+ pci_release_regions(pdev);
+cpt_err_disable_device:
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+ return err;
+}
+
+static void cpt_remove(struct pci_dev *pdev)
+{
+ struct cpt_device *cpt = pci_get_drvdata(pdev);
+
+ /* Disengage SE and AE cores from all groups*/
+ cpt_disable_all_cores(cpt);
+ /* Unload microcodes */
+ cpt_unload_microcode(cpt);
+ cpt_unregister_interrupts(cpt);
+ pci_disable_sriov(pdev);
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+}
+
+static void cpt_shutdown(struct pci_dev *pdev)
+{
+ struct cpt_device *cpt = pci_get_drvdata(pdev);
+
+ if (!cpt)
+ return;
+
+ dev_info(&pdev->dev, "Shutdown device %x:%x.\n",
+ (u32)pdev->vendor, (u32)pdev->device);
+
+ cpt_unregister_interrupts(cpt);
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+}
+
+/* Supported devices */
+static const struct pci_device_id cpt_id_table[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, CPT_81XX_PCI_PF_DEVICE_ID) },
+ { 0, } /* end of table */
+};
+
+static struct pci_driver cpt_pci_driver = {
+ .name = DRV_NAME,
+ .id_table = cpt_id_table,
+ .probe = cpt_probe,
+ .remove = cpt_remove,
+ .shutdown = cpt_shutdown,
+};
+
+module_pci_driver(cpt_pci_driver);
+
+MODULE_AUTHOR("George Cherian <george.cherian@cavium.com>");
+MODULE_DESCRIPTION("Cavium Thunder CPT Physical Function Driver");
+MODULE_LICENSE("GPL v2");
+MODULE_VERSION(DRV_VERSION);
+MODULE_DEVICE_TABLE(pci, cpt_id_table);
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptpf_mbox.c b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptpf_mbox.c
new file mode 100644
index 0000000..20f2c6e
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptpf_mbox.c
@@ -0,0 +1,163 @@
+/*
+ * Copyright (C) 2016 Cavium, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ */
+#include <linux/module.h>
+#include "cptpf.h"
+
+static void cpt_send_msg_to_vf(struct cpt_device *cpt, int vf,
+ struct cpt_mbox *mbx)
+{
+ /* Writing mbox(0) causes interrupt */
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_VFX_MBOXX(0, vf, 1),
+ mbx->data);
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_VFX_MBOXX(0, vf, 0), mbx->msg);
+}
+
+/* ACKs VF's mailbox message
+ * @vf: VF to which ACK to be sent
+ */
+static void cpt_mbox_send_ack(struct cpt_device *cpt, int vf,
+ struct cpt_mbox *mbx)
+{
+ mbx->data = 0ull;
+ mbx->msg = CPT_MBOX_MSG_TYPE_ACK;
+ cpt_send_msg_to_vf(cpt, vf, mbx);
+}
+
+static void cpt_clear_mbox_intr(struct cpt_device *cpt, u32 vf)
+{
+ /* W1C for the VF */
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_MBOX_INTX(0, 0), (1 << vf));
+}
+
+/*
+ * Configure QLEN/Chunk sizes for VF
+ */
+static void cpt_cfg_qlen_for_vf(struct cpt_device *cpt, int vf, u32 size)
+{
+ union cptx_pf_qx_ctl pf_qx_ctl;
+
+ pf_qx_ctl.u = cpt_read_csr64(cpt->reg_base, CPTX_PF_QX_CTL(0, vf));
+ pf_qx_ctl.s.size = size;
+ pf_qx_ctl.s.cont_err = true;
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_QX_CTL(0, vf), pf_qx_ctl.u);
+}
+
+/*
+ * Configure VQ priority
+ */
+static void cpt_cfg_vq_priority(struct cpt_device *cpt, int vf, u32 pri)
+{
+ union cptx_pf_qx_ctl pf_qx_ctl;
+
+ pf_qx_ctl.u = cpt_read_csr64(cpt->reg_base, CPTX_PF_QX_CTL(0, vf));
+ pf_qx_ctl.s.pri = pri;
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_QX_CTL(0, vf), pf_qx_ctl.u);
+}
+
+static int cpt_bind_vq_to_grp(struct cpt_device *cpt, u8 q, u8 grp)
+{
+ struct microcode *mcode = cpt->mcode;
+ union cptx_pf_qx_ctl pf_qx_ctl;
+ struct device *dev = &cpt->pdev->dev;
+
+ if (q >= CPT_MAX_VF_NUM) {
+ dev_err(dev, "Queues are more than cores in the group");
+ return -EINVAL;
+ }
+ if (grp >= CPT_MAX_CORE_GROUPS) {
+ dev_err(dev, "Request group is more than possible groups");
+ return -EINVAL;
+ }
+ if (grp >= cpt->next_mc_idx) {
+ dev_err(dev, "Request group is higher than available functional groups");
+ return -EINVAL;
+ }
+ pf_qx_ctl.u = cpt_read_csr64(cpt->reg_base, CPTX_PF_QX_CTL(0, q));
+ pf_qx_ctl.s.grp = mcode[grp].group;
+ cpt_write_csr64(cpt->reg_base, CPTX_PF_QX_CTL(0, q), pf_qx_ctl.u);
+ dev_dbg(dev, "VF %d TYPE %s", q, (mcode[grp].is_ae ? "AE" : "SE"));
+
+ return mcode[grp].is_ae ? AE_TYPES : SE_TYPES;
+}
+
+/* Interrupt handler to handle mailbox messages from VFs */
+static void cpt_handle_mbox_intr(struct cpt_device *cpt, int vf)
+{
+ struct cpt_vf_info *vfx = &cpt->vfinfo[vf];
+ struct cpt_mbox mbx = {};
+ int vftype;
+ struct device *dev = &cpt->pdev->dev;
+ /*
+ * MBOX[0] contains msg
+ * MBOX[1] contains data
+ */
+ mbx.msg = cpt_read_csr64(cpt->reg_base, CPTX_PF_VFX_MBOXX(0, vf, 0));
+ mbx.data = cpt_read_csr64(cpt->reg_base, CPTX_PF_VFX_MBOXX(0, vf, 1));
+ dev_dbg(dev, "%s: Mailbox msg 0x%llx from VF%d", __func__, mbx.msg, vf);
+ switch (mbx.msg) {
+ case CPT_MSG_VF_UP:
+ vfx->state = VF_STATE_UP;
+ try_module_get(THIS_MODULE);
+ cpt_mbox_send_ack(cpt, vf, &mbx);
+ break;
+ case CPT_MSG_READY:
+ mbx.msg = CPT_MSG_READY;
+ mbx.data = vf;
+ cpt_send_msg_to_vf(cpt, vf, &mbx);
+ break;
+ case CPT_MSG_VF_DOWN:
+ /* First msg in VF teardown sequence */
+ vfx->state = VF_STATE_DOWN;
+ module_put(THIS_MODULE);
+ cpt_mbox_send_ack(cpt, vf, &mbx);
+ break;
+ case CPT_MSG_QLEN:
+ vfx->qlen = mbx.data;
+ cpt_cfg_qlen_for_vf(cpt, vf, vfx->qlen);
+ cpt_mbox_send_ack(cpt, vf, &mbx);
+ break;
+ case CPT_MSG_QBIND_GRP:
+ vftype = cpt_bind_vq_to_grp(cpt, vf, (u8)mbx.data);
+ if ((vftype != AE_TYPES) && (vftype != SE_TYPES))
+ dev_err(dev, "Queue %d binding to group %llu failed",
+ vf, mbx.data);
+ else {
+ dev_dbg(dev, "Queue %d binding to group %llu successful",
+ vf, mbx.data);
+ mbx.msg = CPT_MSG_QBIND_GRP;
+ mbx.data = vftype;
+ cpt_send_msg_to_vf(cpt, vf, &mbx);
+ }
+ break;
+ case CPT_MSG_VQ_PRIORITY:
+ vfx->priority = mbx.data;
+ cpt_cfg_vq_priority(cpt, vf, vfx->priority);
+ cpt_mbox_send_ack(cpt, vf, &mbx);
+ break;
+ default:
+ dev_err(&cpt->pdev->dev, "Invalid msg from VF%d, msg 0x%llx\n",
+ vf, mbx.msg);
+ break;
+ }
+}
+
+void cpt_mbox_intr_handler (struct cpt_device *cpt, int mbx)
+{
+ u64 intr;
+ u8 vf;
+
+ intr = cpt_read_csr64(cpt->reg_base, CPTX_PF_MBOX_INTX(0, 0));
+ dev_dbg(&cpt->pdev->dev, "PF interrupt Mbox%d 0x%llx\n", mbx, intr);
+ for (vf = 0; vf < CPT_MAX_VF_NUM; vf++) {
+ if (intr & (1ULL << vf)) {
+ dev_dbg(&cpt->pdev->dev, "Intr from VF %d\n", vf);
+ cpt_handle_mbox_intr(cpt, vf);
+ cpt_clear_mbox_intr(cpt, vf);
+ }
+ }
+}
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptvf.h b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptvf.h
new file mode 100644
index 0000000..0a835a0
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptvf.h
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2016 Cavium, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ */
+
+#ifndef __CPTVF_H
+#define __CPTVF_H
+
+#include <linux/list.h>
+#include "cpt_common.h"
+
+/* Default command queue length */
+#define CPT_CMD_QLEN 2046
+#define CPT_CMD_QCHUNK_SIZE 1023
+
+/* Default command timeout in seconds */
+#define CPT_COMMAND_TIMEOUT 4
+#define CPT_TIMER_THOLD 0xFFFF
+#define CPT_NUM_QS_PER_VF 1
+#define CPT_INST_SIZE 64
+#define CPT_NEXT_CHUNK_PTR_SIZE 8
+
+#define CPT_VF_MSIX_VECTORS 2
+#define CPT_VF_INTR_MBOX_MASK BIT(0)
+#define CPT_VF_INTR_DOVF_MASK BIT(1)
+#define CPT_VF_INTR_IRDE_MASK BIT(2)
+#define CPT_VF_INTR_NWRP_MASK BIT(3)
+#define CPT_VF_INTR_SERR_MASK BIT(4)
+#define DMA_DIRECT_DIRECT 0 /* Input DIRECT, Output DIRECT */
+#define DMA_GATHER_SCATTER 1
+#define FROM_DPTR 1
+
+/**
+ * Enumeration cpt_vf_int_vec_e
+ *
+ * CPT VF MSI-X Vector Enumeration
+ * Enumerates the MSI-X interrupt vectors.
+ */
+enum cpt_vf_int_vec_e {
+ CPT_VF_INT_VEC_E_MISC = 0x00,
+ CPT_VF_INT_VEC_E_DONE = 0x01
+};
+
+struct command_chunk {
+ u8 *head;
+ dma_addr_t dma_addr;
+ u32 size; /* Chunk size, max CPT_INST_CHUNK_MAX_SIZE */
+ struct hlist_node nextchunk;
+};
+
+struct command_queue {
+ spinlock_t lock; /* command queue lock */
+ u32 idx; /* Command queue host write idx */
+ u32 nchunks; /* Number of command chunks */
+ struct command_chunk *qhead; /* Command queue head, instructions
+ * are inserted here
+ */
+ struct hlist_head chead;
+};
+
+struct command_qinfo {
+ u32 cmd_size;
+ u32 qchunksize; /* Command queue chunk size */
+ struct command_queue queue[CPT_NUM_QS_PER_VF];
+};
+
+struct pending_entry {
+ u8 busy; /* Entry status (free/busy) */
+
+ volatile u64 *completion_addr; /* Completion address */
+ void *post_arg;
+ void (*callback)(int, void *); /* Kernel ASYNC request callabck */
+ void *callback_arg; /* Kernel ASYNC request callabck arg */
+};
+
+struct pending_queue {
+ struct pending_entry *head; /* head of the queue */
+ u32 front; /* Process work from here */
+ u32 rear; /* Append new work here */
+ atomic64_t pending_count;
+ spinlock_t lock; /* Queue lock */
+};
+
+struct pending_qinfo {
+ u32 nr_queues; /* Number of queues supported */
+ u32 qlen; /* Queue length */
+ struct pending_queue queue[CPT_NUM_QS_PER_VF];
+};
+
+#define for_each_pending_queue(qinfo, q, i) \
+ for (i = 0, q = &qinfo->queue[i]; i < qinfo->nr_queues; i++, \
+ q = &qinfo->queue[i])
+
+struct cpt_vf {
+ u16 flags; /* Flags to hold device status bits */
+ u8 vfid; /* Device Index 0...CPT_MAX_VF_NUM */
+ u8 vftype; /* VF type of SE_TYPE(1) or AE_TYPE(1) */
+ u8 vfgrp; /* VF group (0 - 8) */
+ u8 node; /* Operating node: Bits (46:44) in BAR0 address */
+ u8 priority; /* VF priority ring: 1-High proirity round
+ * robin ring;0-Low priority round robin ring;
+ */
+ struct pci_dev *pdev; /* pci device handle */
+ void __iomem *reg_base; /* Register start address */
+ void *wqe_info; /* BH worker info */
+ /* MSI-X */
+ cpumask_var_t affinity_mask[CPT_VF_MSIX_VECTORS];
+ /* Command and Pending queues */
+ u32 qsize;
+ u32 nr_queues;
+ struct command_qinfo cqinfo; /* Command queue information */
+ struct pending_qinfo pqinfo; /* Pending queue information */
+ /* VF-PF mailbox communication */
+ bool pf_acked;
+ bool pf_nacked;
+};
+
+int cptvf_send_vf_up(struct cpt_vf *cptvf);
+int cptvf_send_vf_down(struct cpt_vf *cptvf);
+int cptvf_send_vf_to_grp_msg(struct cpt_vf *cptvf);
+int cptvf_send_vf_priority_msg(struct cpt_vf *cptvf);
+int cptvf_send_vq_size_msg(struct cpt_vf *cptvf);
+int cptvf_check_pf_ready(struct cpt_vf *cptvf);
+void cptvf_handle_mbox_intr(struct cpt_vf *cptvf);
+void cvm_crypto_exit(void);
+int cvm_crypto_init(struct cpt_vf *cptvf);
+void vq_post_process(struct cpt_vf *cptvf, u32 qno);
+void cptvf_write_vq_doorbell(struct cpt_vf *cptvf, u32 val);
+#endif /* __CPTVF_H */
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptvf_algs.c b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptvf_algs.c
new file mode 100644
index 0000000..2d1b28c
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptvf_algs.c
@@ -0,0 +1,525 @@
+
+/*
+ * Copyright (C) 2016 Cavium, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ */
+
+#include <crypto/aes.h>
+#include <crypto/algapi.h>
+#include <crypto/authenc.h>
+#include <crypto/cryptd.h>
+#include <crypto/crypto_wq.h>
+#include <crypto/des.h>
+#include <crypto/xts.h>
+#include <linux/crypto.h>
+#include <linux/err.h>
+#include <linux/list.h>
+#include <linux/scatterlist.h>
+
+#include "cptvf.h"
+#include "cptvf_algs.h"
+
+struct cpt_device_handle {
+ void *cdev[MAX_DEVICES];
+ u32 dev_count;
+};
+
+static struct cpt_device_handle dev_handle;
+
+static void cvm_callback(u32 status, void *arg)
+{
+ struct crypto_async_request *req = (struct crypto_async_request *)arg;
+
+ req->complete(req, !status);
+}
+
+static inline void update_input_iv(struct cpt_request_info *req_info,
+ u8 *iv, u32 enc_iv_len,
+ u32 *argcnt)
+{
+ /* Setting the iv information */
+ req_info->in[*argcnt].vptr = (void *)iv;
+ req_info->in[*argcnt].size = enc_iv_len;
+ req_info->req.dlen += enc_iv_len;
+
+ ++(*argcnt);
+}
+
+static inline void update_output_iv(struct cpt_request_info *req_info,
+ u8 *iv, u32 enc_iv_len,
+ u32 *argcnt)
+{
+ /* Setting the iv information */
+ req_info->out[*argcnt].vptr = (void *)iv;
+ req_info->out[*argcnt].size = enc_iv_len;
+ req_info->rlen += enc_iv_len;
+
+ ++(*argcnt);
+}
+
+static inline void update_input_data(struct cpt_request_info *req_info,
+ struct scatterlist *inp_sg,
+ u32 nbytes, u32 *argcnt)
+{
+ req_info->req.dlen += nbytes;
+
+ while (nbytes) {
+ u32 len = min(nbytes, inp_sg->length);
+ u8 *ptr = sg_virt(inp_sg);
+
+ req_info->in[*argcnt].vptr = (void *)ptr;
+ req_info->in[*argcnt].size = len;
+ nbytes -= len;
+
+ ++(*argcnt);
+ ++inp_sg;
+ }
+}
+
+static inline void update_output_data(struct cpt_request_info *req_info,
+ struct scatterlist *outp_sg,
+ u32 nbytes, u32 *argcnt)
+{
+ req_info->rlen += nbytes;
+
+ while (nbytes) {
+ u32 len = min(nbytes, outp_sg->length);
+ u8 *ptr = sg_virt(outp_sg);
+
+ req_info->out[*argcnt].vptr = (void *)ptr;
+ req_info->out[*argcnt].size = len;
+ nbytes -= len;
+ ++(*argcnt);
+ ++outp_sg;
+ }
+}
+
+static inline u32 create_ctx_hdr(struct ablkcipher_request *req, u32 enc,
+ u32 *argcnt)
+{
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ struct cvm_enc_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ struct cvm_req_ctx *rctx = ablkcipher_request_ctx(req);
+ struct fc_context *fctx = &rctx->fctx;
+ u64 *offset_control = &rctx->control_word;
+ u32 enc_iv_len = crypto_ablkcipher_ivsize(tfm);
+ struct cpt_request_info *req_info = &rctx->cpt_req;
+ u64 *ctrl_flags = NULL;
+
+ req_info->ctrl.s.grp = 0;
+ req_info->ctrl.s.dma_mode = DMA_GATHER_SCATTER;
+ req_info->ctrl.s.se_req = SE_CORE_REQ;
+
+ req_info->req.opcode.s.major = MAJOR_OP_FC |
+ DMA_MODE_FLAG(DMA_GATHER_SCATTER);
+ if (enc)
+ req_info->req.opcode.s.minor = 2;
+ else
+ req_info->req.opcode.s.minor = 3;
+
+ req_info->req.param1 = req->nbytes; /* Encryption Data length */
+ req_info->req.param2 = 0; /*Auth data length */
+
+ fctx->enc.enc_ctrl.e.enc_cipher = ctx->cipher_type;
+ fctx->enc.enc_ctrl.e.aes_key = ctx->key_type;
+ fctx->enc.enc_ctrl.e.iv_source = FROM_DPTR;
+
+ if (ctx->cipher_type == AES_XTS)
+ memcpy(fctx->enc.encr_key, ctx->enc_key, ctx->key_len * 2);
+ else
+ memcpy(fctx->enc.encr_key, ctx->enc_key, ctx->key_len);
+ ctrl_flags = (u64 *)&fctx->enc.enc_ctrl.flags;
+ *ctrl_flags = cpu_to_be64(*ctrl_flags);
+
+ *offset_control = cpu_to_be64(((u64)(enc_iv_len) << 16));
+ /* Storing Packet Data Information in offset
+ * Control Word First 8 bytes
+ */
+ req_info->in[*argcnt].vptr = (u8 *)offset_control;
+ req_info->in[*argcnt].size = CONTROL_WORD_LEN;
+ req_info->req.dlen += CONTROL_WORD_LEN;
+ ++(*argcnt);
+
+ req_info->in[*argcnt].vptr = (u8 *)fctx;
+ req_info->in[*argcnt].size = sizeof(struct fc_context);
+ req_info->req.dlen += sizeof(struct fc_context);
+
+ ++(*argcnt);
+
+ return 0;
+}
+
+static inline u32 create_input_list(struct ablkcipher_request *req, u32 enc,
+ u32 enc_iv_len)
+{
+ struct cvm_req_ctx *rctx = ablkcipher_request_ctx(req);
+ struct cpt_request_info *req_info = &rctx->cpt_req;
+ u32 argcnt = 0;
+
+ create_ctx_hdr(req, enc, &argcnt);
+ update_input_iv(req_info, req->info, enc_iv_len, &argcnt);
+ update_input_data(req_info, req->src, req->nbytes, &argcnt);
+ req_info->incnt = argcnt;
+
+ return 0;
+}
+
+static inline void store_cb_info(struct ablkcipher_request *req,
+ struct cpt_request_info *req_info)
+{
+ req_info->callback = (void *)cvm_callback;
+ req_info->callback_arg = (void *)&req->base;
+}
+
+static inline void create_output_list(struct ablkcipher_request *req,
+ u32 enc_iv_len)
+{
+ struct cvm_req_ctx *rctx = ablkcipher_request_ctx(req);
+ struct cpt_request_info *req_info = &rctx->cpt_req;
+ u32 argcnt = 0;
+
+ /* OUTPUT Buffer Processing
+ * AES encryption/decryption output would be
+ * received in the following format
+ *
+ * ------IV--------|------ENCRYPTED/DECRYPTED DATA-----|
+ * [ 16 Bytes/ [ Request Enc/Dec/ DATA Len AES CBC ]
+ */
+ /* Reading IV information */
+ update_output_iv(req_info, req->info, enc_iv_len, &argcnt);
+ update_output_data(req_info, req->dst, req->nbytes, &argcnt);
+ req_info->outcnt = argcnt;
+}
+
+static inline int cvm_enc_dec(struct ablkcipher_request *req, u32 enc)
+{
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ struct cvm_req_ctx *rctx = ablkcipher_request_ctx(req);
+ u32 enc_iv_len = crypto_ablkcipher_ivsize(tfm);
+ struct fc_context *fctx = &rctx->fctx;
+ struct cpt_request_info *req_info = &rctx->cpt_req;
+ void *cdev = NULL;
+ int status;
+
+ memset(req_info, 0, sizeof(struct cpt_request_info));
+ req_info->may_sleep = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) != 0;
+ memset(fctx, 0, sizeof(struct fc_context));
+ create_input_list(req, enc, enc_iv_len);
+ create_output_list(req, enc_iv_len);
+ store_cb_info(req, req_info);
+ cdev = dev_handle.cdev[smp_processor_id()];
+ status = cptvf_do_request(cdev, req_info);
+ /* We perform an asynchronous send and once
+ * the request is completed the driver would
+ * intimate through registered call back functions
+ */
+
+ if (status)
+ return status;
+ else
+ return -EINPROGRESS;
+}
+
+static int cvm_encrypt(struct ablkcipher_request *req)
+{
+ return cvm_enc_dec(req, true);
+}
+
+static int cvm_decrypt(struct ablkcipher_request *req)
+{
+ return cvm_enc_dec(req, false);
+}
+
+static int cvm_xts_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
+ u32 keylen)
+{
+ struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
+ struct cvm_enc_ctx *ctx = crypto_tfm_ctx(tfm);
+ int err;
+ const u8 *key1 = key;
+ const u8 *key2 = key + (keylen / 2);
+
+ err = xts_check_key(tfm, key, keylen);
+ if (err)
+ return err;
+ ctx->key_len = keylen;
+ memcpy(ctx->enc_key, key1, keylen / 2);
+ memcpy(ctx->enc_key + KEY2_OFFSET, key2, keylen / 2);
+ ctx->cipher_type = AES_XTS;
+ switch (ctx->key_len) {
+ case 32:
+ ctx->key_type = AES_128_BIT;
+ break;
+ case 64:
+ ctx->key_type = AES_256_BIT;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int cvm_validate_keylen(struct cvm_enc_ctx *ctx, u32 keylen)
+{
+ if ((keylen == 16) || (keylen == 24) || (keylen == 32)) {
+ ctx->key_len = keylen;
+ switch (ctx->key_len) {
+ case 16:
+ ctx->key_type = AES_128_BIT;
+ break;
+ case 24:
+ ctx->key_type = AES_192_BIT;
+ break;
+ case 32:
+ ctx->key_type = AES_256_BIT;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (ctx->cipher_type == DES3_CBC)
+ ctx->key_type = 0;
+
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+static int cvm_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
+ u32 keylen, u8 cipher_type)
+{
+ struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
+ struct cvm_enc_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ ctx->cipher_type = cipher_type;
+ if (!cvm_validate_keylen(ctx, keylen)) {
+ memcpy(ctx->enc_key, key, keylen);
+ return 0;
+ } else {
+ crypto_ablkcipher_set_flags(cipher,
+ CRYPTO_TFM_RES_BAD_KEY_LEN);
+ return -EINVAL;
+ }
+}
+
+static int cvm_cbc_aes_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
+ u32 keylen)
+{
+ return cvm_setkey(cipher, key, keylen, AES_CBC);
+}
+
+static int cvm_ecb_aes_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
+ u32 keylen)
+{
+ return cvm_setkey(cipher, key, keylen, AES_ECB);
+}
+
+static int cvm_cfb_aes_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
+ u32 keylen)
+{
+ return cvm_setkey(cipher, key, keylen, AES_CFB);
+}
+
+static int cvm_cbc_des3_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
+ u32 keylen)
+{
+ return cvm_setkey(cipher, key, keylen, DES3_CBC);
+}
+
+static int cvm_ecb_des3_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
+ u32 keylen)
+{
+ return cvm_setkey(cipher, key, keylen, DES3_ECB);
+}
+
+static int cvm_enc_dec_init(struct crypto_tfm *tfm)
+{
+ struct cvm_enc_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ memset(ctx, 0, sizeof(*ctx));
+ tfm->crt_ablkcipher.reqsize = sizeof(struct cvm_req_ctx) +
+ sizeof(struct ablkcipher_request);
+ /* Additional memory for ablkcipher_request is
+ * allocated since the cryptd daemon uses
+ * this memory for request_ctx information
+ */
+
+ return 0;
+}
+
+struct crypto_alg algs[] = { {
+ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct cvm_enc_ctx),
+ .cra_alignmask = 7,
+ .cra_priority = 4001,
+ .cra_name = "xts(aes)",
+ .cra_driver_name = "cavium-xts-aes",
+ .cra_type = &crypto_ablkcipher_type,
+ .cra_u = {
+ .ablkcipher = {
+ .ivsize = AES_BLOCK_SIZE,
+ .min_keysize = 2 * AES_MIN_KEY_SIZE,
+ .max_keysize = 2 * AES_MAX_KEY_SIZE,
+ .setkey = cvm_xts_setkey,
+ .encrypt = cvm_encrypt,
+ .decrypt = cvm_decrypt,
+ },
+ },
+ .cra_init = cvm_enc_dec_init,
+ .cra_module = THIS_MODULE,
+}, {
+ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct cvm_enc_ctx),
+ .cra_alignmask = 7,
+ .cra_priority = 4001,
+ .cra_name = "cbc(aes)",
+ .cra_driver_name = "cavium-cbc-aes",
+ .cra_type = &crypto_ablkcipher_type,
+ .cra_u = {
+ .ablkcipher = {
+ .ivsize = AES_BLOCK_SIZE,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .setkey = cvm_cbc_aes_setkey,
+ .encrypt = cvm_encrypt,
+ .decrypt = cvm_decrypt,
+ },
+ },
+ .cra_init = cvm_enc_dec_init,
+ .cra_module = THIS_MODULE,
+}, {
+ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct cvm_enc_ctx),
+ .cra_alignmask = 7,
+ .cra_priority = 4001,
+ .cra_name = "ecb(aes)",
+ .cra_driver_name = "cavium-ecb-aes",
+ .cra_type = &crypto_ablkcipher_type,
+ .cra_u = {
+ .ablkcipher = {
+ .ivsize = AES_BLOCK_SIZE,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .setkey = cvm_ecb_aes_setkey,
+ .encrypt = cvm_encrypt,
+ .decrypt = cvm_decrypt,
+ },
+ },
+ .cra_init = cvm_enc_dec_init,
+ .cra_module = THIS_MODULE,
+}, {
+ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct cvm_enc_ctx),
+ .cra_alignmask = 7,
+ .cra_priority = 4001,
+ .cra_name = "cfb(aes)",
+ .cra_driver_name = "cavium-cfb-aes",
+ .cra_type = &crypto_ablkcipher_type,
+ .cra_u = {
+ .ablkcipher = {
+ .ivsize = AES_BLOCK_SIZE,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .setkey = cvm_cfb_aes_setkey,
+ .encrypt = cvm_encrypt,
+ .decrypt = cvm_decrypt,
+ },
+ },
+ .cra_init = cvm_enc_dec_init,
+ .cra_module = THIS_MODULE,
+}, {
+ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct cvm_des3_ctx),
+ .cra_alignmask = 7,
+ .cra_priority = 4001,
+ .cra_name = "cbc(des3_ede)",
+ .cra_driver_name = "cavium-cbc-des3_ede",
+ .cra_type = &crypto_ablkcipher_type,
+ .cra_u = {
+ .ablkcipher = {
+ .min_keysize = DES3_EDE_KEY_SIZE,
+ .max_keysize = DES3_EDE_KEY_SIZE,
+ .ivsize = DES_BLOCK_SIZE,
+ .setkey = cvm_cbc_des3_setkey,
+ .encrypt = cvm_encrypt,
+ .decrypt = cvm_decrypt,
+ },
+ },
+ .cra_init = cvm_enc_dec_init,
+ .cra_module = THIS_MODULE,
+}, {
+ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct cvm_des3_ctx),
+ .cra_alignmask = 7,
+ .cra_priority = 4001,
+ .cra_name = "ecb(des3_ede)",
+ .cra_driver_name = "cavium-ecb-des3_ede",
+ .cra_type = &crypto_ablkcipher_type,
+ .cra_u = {
+ .ablkcipher = {
+ .min_keysize = DES3_EDE_KEY_SIZE,
+ .max_keysize = DES3_EDE_KEY_SIZE,
+ .ivsize = DES_BLOCK_SIZE,
+ .setkey = cvm_ecb_des3_setkey,
+ .encrypt = cvm_encrypt,
+ .decrypt = cvm_decrypt,
+ },
+ },
+ .cra_init = cvm_enc_dec_init,
+ .cra_module = THIS_MODULE,
+} };
+
+static inline int cav_register_algs(void)
+{
+ int err = 0;
+
+ err = crypto_register_algs(algs, ARRAY_SIZE(algs));
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static inline void cav_unregister_algs(void)
+{
+ crypto_unregister_algs(algs, ARRAY_SIZE(algs));
+}
+
+int cvm_crypto_init(struct cpt_vf *cptvf)
+{
+ struct pci_dev *pdev = cptvf->pdev;
+ u32 dev_count;
+
+ dev_count = dev_handle.dev_count;
+ dev_handle.cdev[dev_count] = cptvf;
+ dev_handle.dev_count++;
+
+ if (dev_count == 3) {
+ if (cav_register_algs()) {
+ dev_err(&pdev->dev, "Error in registering crypto algorithms\n");
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+void cvm_crypto_exit(void)
+{
+ u32 dev_count;
+
+ dev_count = --dev_handle.dev_count;
+ if (!dev_count)
+ cav_unregister_algs();
+}
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptvf_algs.h b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptvf_algs.h
new file mode 100644
index 0000000..902f257
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptvf_algs.h
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2016 Cavium, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ */
+
+#ifndef _CPTVF_ALGS_H_
+#define _CPTVF_ALGS_H_
+
+#include "request_manager.h"
+
+#define MAX_DEVICES 16
+#define MAJOR_OP_FC 0x33
+#define MAX_ENC_KEY_SIZE 32
+#define MAX_HASH_KEY_SIZE 64
+#define MAX_KEY_SIZE (MAX_ENC_KEY_SIZE + MAX_HASH_KEY_SIZE)
+#define CONTROL_WORD_LEN 8
+#define KEY2_OFFSET 48
+
+#define DMA_MODE_FLAG(dma_mode) \
+ (((dma_mode) == DMA_GATHER_SCATTER) ? (1 << 7) : 0)
+
+enum req_type {
+ AE_CORE_REQ,
+ SE_CORE_REQ,
+};
+
+enum cipher_type {
+ DES3_CBC = 0x1,
+ DES3_ECB = 0x2,
+ AES_CBC = 0x3,
+ AES_ECB = 0x4,
+ AES_CFB = 0x5,
+ AES_CTR = 0x6,
+ AES_GCM = 0x7,
+ AES_XTS = 0x8
+};
+
+enum aes_type {
+ AES_128_BIT = 0x1,
+ AES_192_BIT = 0x2,
+ AES_256_BIT = 0x3
+};
+
+union encr_ctrl {
+ u64 flags;
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 enc_cipher:4;
+ u64 reserved1:1;
+ u64 aes_key:2;
+ u64 iv_source:1;
+ u64 hash_type:4;
+ u64 reserved2:3;
+ u64 auth_input_type:1;
+ u64 mac_len:8;
+ u64 reserved3:8;
+ u64 encr_offset:16;
+ u64 iv_offset:8;
+ u64 auth_offset:8;
+#else
+ u64 auth_offset:8;
+ u64 iv_offset:8;
+ u64 encr_offset:16;
+ u64 reserved3:8;
+ u64 mac_len:8;
+ u64 auth_input_type:1;
+ u64 reserved2:3;
+ u64 hash_type:4;
+ u64 iv_source:1;
+ u64 aes_key:2;
+ u64 reserved1:1;
+ u64 enc_cipher:4;
+#endif
+ } e;
+};
+
+struct cvm_cipher {
+ const char *name;
+ u8 value;
+};
+
+struct enc_context {
+ union encr_ctrl enc_ctrl;
+ u8 encr_key[32];
+ u8 encr_iv[16];
+};
+
+struct fchmac_context {
+ u8 ipad[64];
+ u8 opad[64]; /* or OPAD */
+};
+
+struct fc_context {
+ struct enc_context enc;
+ struct fchmac_context hmac;
+};
+
+struct cvm_enc_ctx {
+ u32 key_len;
+ u8 enc_key[MAX_KEY_SIZE];
+ u8 cipher_type:4;
+ u8 key_type:2;
+};
+
+struct cvm_des3_ctx {
+ u32 key_len;
+ u8 des3_key[MAX_KEY_SIZE];
+};
+
+struct cvm_req_ctx {
+ struct cpt_request_info cpt_req;
+ u64 control_word;
+ struct fc_context fctx;
+};
+
+int cptvf_do_request(void *cptvf, struct cpt_request_info *req);
+#endif /*_CPTVF_ALGS_H_*/
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptvf_main.c b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptvf_main.c
new file mode 100644
index 0000000..5c796ed
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptvf_main.c
@@ -0,0 +1,866 @@
+/*
+ * Copyright (C) 2016 Cavium, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/module.h>
+
+#include "cptvf.h"
+
+#define DRV_NAME "thunder-cptvf"
+#define DRV_VERSION "1.0"
+
+struct cptvf_wqe {
+ struct tasklet_struct twork;
+ void *cptvf;
+ u32 qno;
+};
+
+struct cptvf_wqe_info {
+ struct cptvf_wqe vq_wqe[CPT_NUM_QS_PER_VF];
+};
+
+static void vq_work_handler(unsigned long data)
+{
+ struct cptvf_wqe_info *cwqe_info = (struct cptvf_wqe_info *)data;
+ struct cptvf_wqe *cwqe = &cwqe_info->vq_wqe[0];
+
+ vq_post_process(cwqe->cptvf, cwqe->qno);
+}
+
+static int init_worker_threads(struct cpt_vf *cptvf)
+{
+ struct pci_dev *pdev = cptvf->pdev;
+ struct cptvf_wqe_info *cwqe_info;
+ int i;
+
+ cwqe_info = kzalloc(sizeof(*cwqe_info), GFP_KERNEL);
+ if (!cwqe_info)
+ return -ENOMEM;
+
+ if (cptvf->nr_queues) {
+ dev_info(&pdev->dev, "Creating VQ worker threads (%d)\n",
+ cptvf->nr_queues);
+ }
+
+ for (i = 0; i < cptvf->nr_queues; i++) {
+ tasklet_init(&cwqe_info->vq_wqe[i].twork, vq_work_handler,
+ (u64)cwqe_info);
+ cwqe_info->vq_wqe[i].qno = i;
+ cwqe_info->vq_wqe[i].cptvf = cptvf;
+ }
+
+ cptvf->wqe_info = cwqe_info;
+
+ return 0;
+}
+
+static void cleanup_worker_threads(struct cpt_vf *cptvf)
+{
+ struct cptvf_wqe_info *cwqe_info;
+ struct pci_dev *pdev = cptvf->pdev;
+ int i;
+
+ cwqe_info = (struct cptvf_wqe_info *)cptvf->wqe_info;
+ if (!cwqe_info)
+ return;
+
+ if (cptvf->nr_queues) {
+ dev_info(&pdev->dev, "Cleaning VQ worker threads (%u)\n",
+ cptvf->nr_queues);
+ }
+
+ for (i = 0; i < cptvf->nr_queues; i++)
+ tasklet_kill(&cwqe_info->vq_wqe[i].twork);
+
+ kzfree(cwqe_info);
+ cptvf->wqe_info = NULL;
+}
+
+static void free_pending_queues(struct pending_qinfo *pqinfo)
+{
+ int i;
+ struct pending_queue *queue;
+
+ for_each_pending_queue(pqinfo, queue, i) {
+ if (!queue->head)
+ continue;
+
+ /* free single queue */
+ kzfree((queue->head));
+
+ queue->front = 0;
+ queue->rear = 0;
+
+ return;
+ }
+
+ pqinfo->qlen = 0;
+ pqinfo->nr_queues = 0;
+}
+
+static int alloc_pending_queues(struct pending_qinfo *pqinfo, u32 qlen,
+ u32 nr_queues)
+{
+ u32 i;
+ size_t size;
+ int ret;
+ struct pending_queue *queue = NULL;
+
+ pqinfo->nr_queues = nr_queues;
+ pqinfo->qlen = qlen;
+
+ size = (qlen * sizeof(struct pending_entry));
+
+ for_each_pending_queue(pqinfo, queue, i) {
+ queue->head = kzalloc((size), GFP_KERNEL);
+ if (!queue->head) {
+ ret = -ENOMEM;
+ goto pending_qfail;
+ }
+
+ queue->front = 0;
+ queue->rear = 0;
+ atomic64_set((&queue->pending_count), (0));
+
+ /* init queue spin lock */
+ spin_lock_init(&queue->lock);
+ }
+
+ return 0;
+
+pending_qfail:
+ free_pending_queues(pqinfo);
+
+ return ret;
+}
+
+static int init_pending_queues(struct cpt_vf *cptvf, u32 qlen, u32 nr_queues)
+{
+ struct pci_dev *pdev = cptvf->pdev;
+ int ret;
+
+ if (!nr_queues)
+ return 0;
+
+ ret = alloc_pending_queues(&cptvf->pqinfo, qlen, nr_queues);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to setup pending queues (%u)\n",
+ nr_queues);
+ return ret;
+ }
+
+ return 0;
+}
+
+static void cleanup_pending_queues(struct cpt_vf *cptvf)
+{
+ struct pci_dev *pdev = cptvf->pdev;
+
+ if (!cptvf->nr_queues)
+ return;
+
+ dev_info(&pdev->dev, "Cleaning VQ pending queue (%u)\n",
+ cptvf->nr_queues);
+ free_pending_queues(&cptvf->pqinfo);
+}
+
+static void free_command_queues(struct cpt_vf *cptvf,
+ struct command_qinfo *cqinfo)
+{
+ int i;
+ struct command_queue *queue = NULL;
+ struct command_chunk *chunk = NULL;
+ struct pci_dev *pdev = cptvf->pdev;
+ struct hlist_node *node;
+
+ /* clean up for each queue */
+ for (i = 0; i < cptvf->nr_queues; i++) {
+ queue = &cqinfo->queue[i];
+ if (hlist_empty(&cqinfo->queue[i].chead))
+ continue;
+
+ hlist_for_each_entry_safe(chunk, node, &cqinfo->queue[i].chead,
+ nextchunk) {
+ dma_free_coherent(&pdev->dev, chunk->size,
+ chunk->head,
+ chunk->dma_addr);
+ chunk->head = NULL;
+ chunk->dma_addr = 0;
+ hlist_del(&chunk->nextchunk);
+ kzfree(chunk);
+ }
+
+ queue->nchunks = 0;
+ queue->idx = 0;
+ }
+
+ /* common cleanup */
+ cqinfo->cmd_size = 0;
+}
+
+static int alloc_command_queues(struct cpt_vf *cptvf,
+ struct command_qinfo *cqinfo, size_t cmd_size,
+ u32 qlen)
+{
+ int i;
+ size_t q_size;
+ struct command_queue *queue = NULL;
+ struct pci_dev *pdev = cptvf->pdev;
+
+ /* common init */
+ cqinfo->cmd_size = cmd_size;
+ /* Qsize in dwords, needed for SADDR config, 1-next chunk pointer */
+ cptvf->qsize = min(qlen, cqinfo->qchunksize) *
+ CPT_NEXT_CHUNK_PTR_SIZE + 1;
+ /* Qsize in bytes to create space for alignment */
+ q_size = qlen * cqinfo->cmd_size;
+
+ /* per queue initialization */
+ for (i = 0; i < cptvf->nr_queues; i++) {
+ size_t c_size = 0;
+ size_t rem_q_size = q_size;
+ struct command_chunk *curr = NULL, *first = NULL, *last = NULL;
+ u32 qcsize_bytes = cqinfo->qchunksize * cqinfo->cmd_size;
+
+ queue = &cqinfo->queue[i];
+ INIT_HLIST_HEAD(&cqinfo->queue[i].chead);
+ do {
+ curr = kzalloc(sizeof(*curr), GFP_KERNEL);
+ if (!curr)
+ goto cmd_qfail;
+
+ c_size = (rem_q_size > qcsize_bytes) ? qcsize_bytes :
+ rem_q_size;
+ curr->head = (u8 *)dma_zalloc_coherent(&pdev->dev,
+ c_size + CPT_NEXT_CHUNK_PTR_SIZE,
+ &curr->dma_addr, GFP_KERNEL);
+ if (!curr->head) {
+ dev_err(&pdev->dev, "Command Q (%d) chunk (%d) allocation failed\n",
+ i, queue->nchunks);
+ kfree(curr);
+ goto cmd_qfail;
+ }
+
+ curr->size = c_size;
+ if (queue->nchunks == 0) {
+ hlist_add_head(&curr->nextchunk,
+ &cqinfo->queue[i].chead);
+ first = curr;
+ } else {
+ hlist_add_behind(&curr->nextchunk,
+ &last->nextchunk);
+ }
+
+ queue->nchunks++;
+ rem_q_size -= c_size;
+ if (last)
+ *((u64 *)(&last->head[last->size])) = (u64)curr->dma_addr;
+
+ last = curr;
+ } while (rem_q_size);
+
+ /* Make the queue circular */
+ /* Tie back last chunk entry to head */
+ curr = first;
+ *((u64 *)(&last->head[last->size])) = (u64)curr->dma_addr;
+ queue->qhead = curr;
+ spin_lock_init(&queue->lock);
+ }
+ return 0;
+
+cmd_qfail:
+ free_command_queues(cptvf, cqinfo);
+ return -ENOMEM;
+}
+
+static int init_command_queues(struct cpt_vf *cptvf, u32 qlen)
+{
+ struct pci_dev *pdev = cptvf->pdev;
+ int ret;
+
+ /* setup AE command queues */
+ ret = alloc_command_queues(cptvf, &cptvf->cqinfo, CPT_INST_SIZE,
+ qlen);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to allocate AE command queues (%u)\n",
+ cptvf->nr_queues);
+ return ret;
+ }
+
+ return ret;
+}
+
+static void cleanup_command_queues(struct cpt_vf *cptvf)
+{
+ struct pci_dev *pdev = cptvf->pdev;
+
+ if (!cptvf->nr_queues)
+ return;
+
+ dev_info(&pdev->dev, "Cleaning VQ command queue (%u)\n",
+ cptvf->nr_queues);
+ free_command_queues(cptvf, &cptvf->cqinfo);
+}
+
+static void cptvf_sw_cleanup(struct cpt_vf *cptvf)
+{
+ cleanup_worker_threads(cptvf);
+ cleanup_pending_queues(cptvf);
+ cleanup_command_queues(cptvf);
+}
+
+static int cptvf_sw_init(struct cpt_vf *cptvf, u32 qlen, u32 nr_queues)
+{
+ struct pci_dev *pdev = cptvf->pdev;
+ int ret = 0;
+ u32 max_dev_queues = 0;
+
+ max_dev_queues = CPT_NUM_QS_PER_VF;
+ /* possible cpus */
+ nr_queues = min_t(u32, nr_queues, max_dev_queues);
+ cptvf->nr_queues = nr_queues;
+
+ ret = init_command_queues(cptvf, qlen);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to setup command queues (%u)\n",
+ nr_queues);
+ return ret;
+ }
+
+ ret = init_pending_queues(cptvf, qlen, nr_queues);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to setup pending queues (%u)\n",
+ nr_queues);
+ goto setup_pqfail;
+ }
+
+ /* Create worker threads for BH processing */
+ ret = init_worker_threads(cptvf);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to setup worker threads\n");
+ goto init_work_fail;
+ }
+
+ return 0;
+
+init_work_fail:
+ cleanup_worker_threads(cptvf);
+ cleanup_pending_queues(cptvf);
+
+setup_pqfail:
+ cleanup_command_queues(cptvf);
+
+ return ret;
+}
+
+static void cptvf_free_irq_affinity(struct cpt_vf *cptvf, int vec)
+{
+ irq_set_affinity_hint(pci_irq_vector(cptvf->pdev, vec), NULL);
+ free_cpumask_var(cptvf->affinity_mask[vec]);
+}
+
+static void cptvf_write_vq_ctl(struct cpt_vf *cptvf, bool val)
+{
+ union cptx_vqx_ctl vqx_ctl;
+
+ vqx_ctl.u = cpt_read_csr64(cptvf->reg_base, CPTX_VQX_CTL(0, 0));
+ vqx_ctl.s.ena = val;
+ cpt_write_csr64(cptvf->reg_base, CPTX_VQX_CTL(0, 0), vqx_ctl.u);
+}
+
+void cptvf_write_vq_doorbell(struct cpt_vf *cptvf, u32 val)
+{
+ union cptx_vqx_doorbell vqx_dbell;
+
+ vqx_dbell.u = cpt_read_csr64(cptvf->reg_base,
+ CPTX_VQX_DOORBELL(0, 0));
+ vqx_dbell.s.dbell_cnt = val * 8; /* Num of Instructions * 8 words */
+ cpt_write_csr64(cptvf->reg_base, CPTX_VQX_DOORBELL(0, 0),
+ vqx_dbell.u);
+}
+
+static void cptvf_write_vq_inprog(struct cpt_vf *cptvf, u8 val)
+{
+ union cptx_vqx_inprog vqx_inprg;
+
+ vqx_inprg.u = cpt_read_csr64(cptvf->reg_base, CPTX_VQX_INPROG(0, 0));
+ vqx_inprg.s.inflight = val;
+ cpt_write_csr64(cptvf->reg_base, CPTX_VQX_INPROG(0, 0), vqx_inprg.u);
+}
+
+static void cptvf_write_vq_done_numwait(struct cpt_vf *cptvf, u32 val)
+{
+ union cptx_vqx_done_wait vqx_dwait;
+
+ vqx_dwait.u = cpt_read_csr64(cptvf->reg_base,
+ CPTX_VQX_DONE_WAIT(0, 0));
+ vqx_dwait.s.num_wait = val;
+ cpt_write_csr64(cptvf->reg_base, CPTX_VQX_DONE_WAIT(0, 0),
+ vqx_dwait.u);
+}
+
+static void cptvf_write_vq_done_timewait(struct cpt_vf *cptvf, u16 time)
+{
+ union cptx_vqx_done_wait vqx_dwait;
+
+ vqx_dwait.u = cpt_read_csr64(cptvf->reg_base,
+ CPTX_VQX_DONE_WAIT(0, 0));
+ vqx_dwait.s.time_wait = time;
+ cpt_write_csr64(cptvf->reg_base, CPTX_VQX_DONE_WAIT(0, 0),
+ vqx_dwait.u);
+}
+
+static void cptvf_enable_swerr_interrupts(struct cpt_vf *cptvf)
+{
+ union cptx_vqx_misc_ena_w1s vqx_misc_ena;
+
+ vqx_misc_ena.u = cpt_read_csr64(cptvf->reg_base,
+ CPTX_VQX_MISC_ENA_W1S(0, 0));
+ /* Set mbox(0) interupts for the requested vf */
+ vqx_misc_ena.s.swerr = 1;
+ cpt_write_csr64(cptvf->reg_base, CPTX_VQX_MISC_ENA_W1S(0, 0),
+ vqx_misc_ena.u);
+}
+
+static void cptvf_enable_mbox_interrupts(struct cpt_vf *cptvf)
+{
+ union cptx_vqx_misc_ena_w1s vqx_misc_ena;
+
+ vqx_misc_ena.u = cpt_read_csr64(cptvf->reg_base,
+ CPTX_VQX_MISC_ENA_W1S(0, 0));
+ /* Set mbox(0) interupts for the requested vf */
+ vqx_misc_ena.s.mbox = 1;
+ cpt_write_csr64(cptvf->reg_base, CPTX_VQX_MISC_ENA_W1S(0, 0),
+ vqx_misc_ena.u);
+}
+
+static void cptvf_enable_done_interrupts(struct cpt_vf *cptvf)
+{
+ union cptx_vqx_done_ena_w1s vqx_done_ena;
+
+ vqx_done_ena.u = cpt_read_csr64(cptvf->reg_base,
+ CPTX_VQX_DONE_ENA_W1S(0, 0));
+ /* Set DONE interrupt for the requested vf */
+ vqx_done_ena.s.done = 1;
+ cpt_write_csr64(cptvf->reg_base, CPTX_VQX_DONE_ENA_W1S(0, 0),
+ vqx_done_ena.u);
+}
+
+static void cptvf_clear_dovf_intr(struct cpt_vf *cptvf)
+{
+ union cptx_vqx_misc_int vqx_misc_int;
+
+ vqx_misc_int.u = cpt_read_csr64(cptvf->reg_base,
+ CPTX_VQX_MISC_INT(0, 0));
+ /* W1C for the VF */
+ vqx_misc_int.s.dovf = 1;
+ cpt_write_csr64(cptvf->reg_base, CPTX_VQX_MISC_INT(0, 0),
+ vqx_misc_int.u);
+}
+
+static void cptvf_clear_irde_intr(struct cpt_vf *cptvf)
+{
+ union cptx_vqx_misc_int vqx_misc_int;
+
+ vqx_misc_int.u = cpt_read_csr64(cptvf->reg_base,
+ CPTX_VQX_MISC_INT(0, 0));
+ /* W1C for the VF */
+ vqx_misc_int.s.irde = 1;
+ cpt_write_csr64(cptvf->reg_base, CPTX_VQX_MISC_INT(0, 0),
+ vqx_misc_int.u);
+}
+
+static void cptvf_clear_nwrp_intr(struct cpt_vf *cptvf)
+{
+ union cptx_vqx_misc_int vqx_misc_int;
+
+ vqx_misc_int.u = cpt_read_csr64(cptvf->reg_base,
+ CPTX_VQX_MISC_INT(0, 0));
+ /* W1C for the VF */
+ vqx_misc_int.s.nwrp = 1;
+ cpt_write_csr64(cptvf->reg_base,
+ CPTX_VQX_MISC_INT(0, 0), vqx_misc_int.u);
+}
+
+static void cptvf_clear_mbox_intr(struct cpt_vf *cptvf)
+{
+ union cptx_vqx_misc_int vqx_misc_int;
+
+ vqx_misc_int.u = cpt_read_csr64(cptvf->reg_base,
+ CPTX_VQX_MISC_INT(0, 0));
+ /* W1C for the VF */
+ vqx_misc_int.s.mbox = 1;
+ cpt_write_csr64(cptvf->reg_base, CPTX_VQX_MISC_INT(0, 0),
+ vqx_misc_int.u);
+}
+
+static void cptvf_clear_swerr_intr(struct cpt_vf *cptvf)
+{
+ union cptx_vqx_misc_int vqx_misc_int;
+
+ vqx_misc_int.u = cpt_read_csr64(cptvf->reg_base,
+ CPTX_VQX_MISC_INT(0, 0));
+ /* W1C for the VF */
+ vqx_misc_int.s.swerr = 1;
+ cpt_write_csr64(cptvf->reg_base, CPTX_VQX_MISC_INT(0, 0),
+ vqx_misc_int.u);
+}
+
+static u64 cptvf_read_vf_misc_intr_status(struct cpt_vf *cptvf)
+{
+ return cpt_read_csr64(cptvf->reg_base, CPTX_VQX_MISC_INT(0, 0));
+}
+
+static irqreturn_t cptvf_misc_intr_handler(int irq, void *cptvf_irq)
+{
+ struct cpt_vf *cptvf = (struct cpt_vf *)cptvf_irq;
+ struct pci_dev *pdev = cptvf->pdev;
+ u64 intr;
+
+ intr = cptvf_read_vf_misc_intr_status(cptvf);
+ /*Check for MISC interrupt types*/
+ if (likely(intr & CPT_VF_INTR_MBOX_MASK)) {
+ dev_dbg(&pdev->dev, "Mailbox interrupt 0x%llx on CPT VF %d\n",
+ intr, cptvf->vfid);
+ cptvf_handle_mbox_intr(cptvf);
+ cptvf_clear_mbox_intr(cptvf);
+ } else if (unlikely(intr & CPT_VF_INTR_DOVF_MASK)) {
+ cptvf_clear_dovf_intr(cptvf);
+ /*Clear doorbell count*/
+ cptvf_write_vq_doorbell(cptvf, 0);
+ dev_err(&pdev->dev, "Doorbell overflow error interrupt 0x%llx on CPT VF %d\n",
+ intr, cptvf->vfid);
+ } else if (unlikely(intr & CPT_VF_INTR_IRDE_MASK)) {
+ cptvf_clear_irde_intr(cptvf);
+ dev_err(&pdev->dev, "Instruction NCB read error interrupt 0x%llx on CPT VF %d\n",
+ intr, cptvf->vfid);
+ } else if (unlikely(intr & CPT_VF_INTR_NWRP_MASK)) {
+ cptvf_clear_nwrp_intr(cptvf);
+ dev_err(&pdev->dev, "NCB response write error interrupt 0x%llx on CPT VF %d\n",
+ intr, cptvf->vfid);
+ } else if (unlikely(intr & CPT_VF_INTR_SERR_MASK)) {
+ cptvf_clear_swerr_intr(cptvf);
+ dev_err(&pdev->dev, "Software error interrupt 0x%llx on CPT VF %d\n",
+ intr, cptvf->vfid);
+ } else {
+ dev_err(&pdev->dev, "Unhandled interrupt in CPT VF %d\n",
+ cptvf->vfid);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static inline struct cptvf_wqe *get_cptvf_vq_wqe(struct cpt_vf *cptvf,
+ int qno)
+{
+ struct cptvf_wqe_info *nwqe_info;
+
+ if (unlikely(qno >= cptvf->nr_queues))
+ return NULL;
+ nwqe_info = (struct cptvf_wqe_info *)cptvf->wqe_info;
+
+ return &nwqe_info->vq_wqe[qno];
+}
+
+static inline u32 cptvf_read_vq_done_count(struct cpt_vf *cptvf)
+{
+ union cptx_vqx_done vqx_done;
+
+ vqx_done.u = cpt_read_csr64(cptvf->reg_base, CPTX_VQX_DONE(0, 0));
+ return vqx_done.s.done;
+}
+
+static inline void cptvf_write_vq_done_ack(struct cpt_vf *cptvf,
+ u32 ackcnt)
+{
+ union cptx_vqx_done_ack vqx_dack_cnt;
+
+ vqx_dack_cnt.u = cpt_read_csr64(cptvf->reg_base,
+ CPTX_VQX_DONE_ACK(0, 0));
+ vqx_dack_cnt.s.done_ack = ackcnt;
+ cpt_write_csr64(cptvf->reg_base, CPTX_VQX_DONE_ACK(0, 0),
+ vqx_dack_cnt.u);
+}
+
+static irqreturn_t cptvf_done_intr_handler(int irq, void *cptvf_irq)
+{
+ struct cpt_vf *cptvf = (struct cpt_vf *)cptvf_irq;
+ struct pci_dev *pdev = cptvf->pdev;
+ /* Read the number of completions */
+ u32 intr = cptvf_read_vq_done_count(cptvf);
+
+ if (intr) {
+ struct cptvf_wqe *wqe;
+
+ /* Acknowledge the number of
+ * scheduled completions for processing
+ */
+ cptvf_write_vq_done_ack(cptvf, intr);
+ wqe = get_cptvf_vq_wqe(cptvf, 0);
+ if (unlikely(!wqe)) {
+ dev_err(&pdev->dev, "No work to schedule for VF (%d)",
+ cptvf->vfid);
+ return IRQ_NONE;
+ }
+ tasklet_hi_schedule(&wqe->twork);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static void cptvf_set_irq_affinity(struct cpt_vf *cptvf, int vec)
+{
+ struct pci_dev *pdev = cptvf->pdev;
+ int cpu;
+
+ if (!zalloc_cpumask_var(&cptvf->affinity_mask[vec],
+ GFP_KERNEL)) {
+ dev_err(&pdev->dev, "Allocation failed for affinity_mask for VF %d",
+ cptvf->vfid);
+ return;
+ }
+
+ cpu = cptvf->vfid % num_online_cpus();
+ cpumask_set_cpu(cpumask_local_spread(cpu, cptvf->node),
+ cptvf->affinity_mask[vec]);
+ irq_set_affinity_hint(pci_irq_vector(pdev, vec),
+ cptvf->affinity_mask[vec]);
+}
+
+static void cptvf_write_vq_saddr(struct cpt_vf *cptvf, u64 val)
+{
+ union cptx_vqx_saddr vqx_saddr;
+
+ vqx_saddr.u = val;
+ cpt_write_csr64(cptvf->reg_base, CPTX_VQX_SADDR(0, 0), vqx_saddr.u);
+}
+
+void cptvf_device_init(struct cpt_vf *cptvf)
+{
+ u64 base_addr = 0;
+
+ /* Disable the VQ */
+ cptvf_write_vq_ctl(cptvf, 0);
+ /* Reset the doorbell */
+ cptvf_write_vq_doorbell(cptvf, 0);
+ /* Clear inflight */
+ cptvf_write_vq_inprog(cptvf, 0);
+ /* Write VQ SADDR */
+ /* TODO: for now only one queue, so hard coded */
+ base_addr = (u64)(cptvf->cqinfo.queue[0].qhead->dma_addr);
+ cptvf_write_vq_saddr(cptvf, base_addr);
+ /* Configure timerhold / coalescence */
+ cptvf_write_vq_done_timewait(cptvf, CPT_TIMER_THOLD);
+ cptvf_write_vq_done_numwait(cptvf, 1);
+ /* Enable the VQ */
+ cptvf_write_vq_ctl(cptvf, 1);
+ /* Flag the VF ready */
+ cptvf->flags |= CPT_FLAG_DEVICE_READY;
+}
+
+static int cptvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ struct device *dev = &pdev->dev;
+ struct cpt_vf *cptvf;
+ int err;
+
+ cptvf = devm_kzalloc(dev, sizeof(*cptvf), GFP_KERNEL);
+ if (!cptvf)
+ return -ENOMEM;
+
+ pci_set_drvdata(pdev, cptvf);
+ cptvf->pdev = pdev;
+ err = pci_enable_device(pdev);
+ if (err) {
+ dev_err(dev, "Failed to enable PCI device\n");
+ pci_set_drvdata(pdev, NULL);
+ return err;
+ }
+
+ err = pci_request_regions(pdev, DRV_NAME);
+ if (err) {
+ dev_err(dev, "PCI request regions failed 0x%x\n", err);
+ goto cptvf_err_disable_device;
+ }
+ /* Mark as VF driver */
+ cptvf->flags |= CPT_FLAG_VF_DRIVER;
+ err = pci_set_dma_mask(pdev, DMA_BIT_MASK(48));
+ if (err) {
+ dev_err(dev, "Unable to get usable DMA configuration\n");
+ goto cptvf_err_release_regions;
+ }
+
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(48));
+ if (err) {
+ dev_err(dev, "Unable to get 48-bit DMA for consistent allocations\n");
+ goto cptvf_err_release_regions;
+ }
+
+ /* MAP PF's configuration registers */
+ cptvf->reg_base = pcim_iomap(pdev, 0, 0);
+ if (!cptvf->reg_base) {
+ dev_err(dev, "Cannot map config register space, aborting\n");
+ err = -ENOMEM;
+ goto cptvf_err_release_regions;
+ }
+
+ cptvf->node = dev_to_node(&pdev->dev);
+ err = pci_alloc_irq_vectors(pdev, CPT_VF_MSIX_VECTORS,
+ CPT_VF_MSIX_VECTORS, PCI_IRQ_MSIX);
+ if (err < 0) {
+ dev_err(dev, "Request for #%d msix vectors failed\n",
+ CPT_VF_MSIX_VECTORS);
+ goto cptvf_err_release_regions;
+ }
+
+ err = request_irq(pci_irq_vector(pdev, CPT_VF_INT_VEC_E_MISC),
+ cptvf_misc_intr_handler, 0, "CPT VF misc intr",
+ cptvf);
+ if (err) {
+ dev_err(dev, "Request misc irq failed");
+ goto cptvf_free_vectors;
+ }
+
+ /* Enable mailbox interrupt */
+ cptvf_enable_mbox_interrupts(cptvf);
+ cptvf_enable_swerr_interrupts(cptvf);
+
+ /* Check ready with PF */
+ /* Gets chip ID / device Id from PF if ready */
+ err = cptvf_check_pf_ready(cptvf);
+ if (err) {
+ dev_err(dev, "PF not responding to READY msg");
+ goto cptvf_free_misc_irq;
+ }
+
+ /* CPT VF software resources initialization */
+ cptvf->cqinfo.qchunksize = CPT_CMD_QCHUNK_SIZE;
+ err = cptvf_sw_init(cptvf, CPT_CMD_QLEN, CPT_NUM_QS_PER_VF);
+ if (err) {
+ dev_err(dev, "cptvf_sw_init() failed");
+ goto cptvf_free_misc_irq;
+ }
+ /* Convey VQ LEN to PF */
+ err = cptvf_send_vq_size_msg(cptvf);
+ if (err) {
+ dev_err(dev, "PF not responding to QLEN msg");
+ goto cptvf_free_misc_irq;
+ }
+
+ /* CPT VF device initialization */
+ cptvf_device_init(cptvf);
+ /* Send msg to PF to assign currnet Q to required group */
+ cptvf->vfgrp = 1;
+ err = cptvf_send_vf_to_grp_msg(cptvf);
+ if (err) {
+ dev_err(dev, "PF not responding to VF_GRP msg");
+ goto cptvf_free_misc_irq;
+ }
+
+ cptvf->priority = 1;
+ err = cptvf_send_vf_priority_msg(cptvf);
+ if (err) {
+ dev_err(dev, "PF not responding to VF_PRIO msg");
+ goto cptvf_free_misc_irq;
+ }
+
+ err = request_irq(pci_irq_vector(pdev, CPT_VF_INT_VEC_E_DONE),
+ cptvf_done_intr_handler, 0, "CPT VF done intr",
+ cptvf);
+ if (err) {
+ dev_err(dev, "Request done irq failed\n");
+ goto cptvf_free_misc_irq;
+ }
+
+ /* Enable mailbox interrupt */
+ cptvf_enable_done_interrupts(cptvf);
+
+ /* Set irq affinity masks */
+ cptvf_set_irq_affinity(cptvf, CPT_VF_INT_VEC_E_MISC);
+ cptvf_set_irq_affinity(cptvf, CPT_VF_INT_VEC_E_DONE);
+
+ err = cptvf_send_vf_up(cptvf);
+ if (err) {
+ dev_err(dev, "PF not responding to UP msg");
+ goto cptvf_free_irq_affinity;
+ }
+ err = cvm_crypto_init(cptvf);
+ if (err) {
+ dev_err(dev, "Algorithm register failed\n");
+ goto cptvf_free_irq_affinity;
+ }
+ return 0;
+
+cptvf_free_irq_affinity:
+ cptvf_free_irq_affinity(cptvf, CPT_VF_INT_VEC_E_DONE);
+ cptvf_free_irq_affinity(cptvf, CPT_VF_INT_VEC_E_MISC);
+cptvf_free_misc_irq:
+ free_irq(pci_irq_vector(pdev, CPT_VF_INT_VEC_E_MISC), cptvf);
+cptvf_free_vectors:
+ pci_free_irq_vectors(cptvf->pdev);
+cptvf_err_release_regions:
+ pci_release_regions(pdev);
+cptvf_err_disable_device:
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+
+ return err;
+}
+
+static void cptvf_remove(struct pci_dev *pdev)
+{
+ struct cpt_vf *cptvf = pci_get_drvdata(pdev);
+
+ if (!cptvf) {
+ dev_err(&pdev->dev, "Invalid CPT-VF device\n");
+ return;
+ }
+
+ /* Convey DOWN to PF */
+ if (cptvf_send_vf_down(cptvf)) {
+ dev_err(&pdev->dev, "PF not responding to DOWN msg");
+ } else {
+ cptvf_free_irq_affinity(cptvf, CPT_VF_INT_VEC_E_DONE);
+ cptvf_free_irq_affinity(cptvf, CPT_VF_INT_VEC_E_MISC);
+ free_irq(pci_irq_vector(pdev, CPT_VF_INT_VEC_E_DONE), cptvf);
+ free_irq(pci_irq_vector(pdev, CPT_VF_INT_VEC_E_MISC), cptvf);
+ pci_free_irq_vectors(cptvf->pdev);
+ cptvf_sw_cleanup(cptvf);
+ pci_set_drvdata(pdev, NULL);
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+ cvm_crypto_exit();
+ }
+}
+
+static void cptvf_shutdown(struct pci_dev *pdev)
+{
+ cptvf_remove(pdev);
+}
+
+/* Supported devices */
+static const struct pci_device_id cptvf_id_table[] = {
+ {PCI_VDEVICE(CAVIUM, CPT_81XX_PCI_VF_DEVICE_ID), 0},
+ { 0, } /* end of table */
+};
+
+static struct pci_driver cptvf_pci_driver = {
+ .name = DRV_NAME,
+ .id_table = cptvf_id_table,
+ .probe = cptvf_probe,
+ .remove = cptvf_remove,
+ .shutdown = cptvf_shutdown,
+};
+
+module_pci_driver(cptvf_pci_driver);
+
+MODULE_AUTHOR("George Cherian <george.cherian@cavium.com>");
+MODULE_DESCRIPTION("Cavium Thunder CPT Virtual Function Driver");
+MODULE_LICENSE("GPL v2");
+MODULE_VERSION(DRV_VERSION);
+MODULE_DEVICE_TABLE(pci, cptvf_id_table);
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptvf_mbox.c b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptvf_mbox.c
new file mode 100644
index 0000000..d5ec3b8
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptvf_mbox.c
@@ -0,0 +1,211 @@
+/*
+ * Copyright (C) 2016 Cavium, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ */
+
+#include "cptvf.h"
+
+static void cptvf_send_msg_to_pf(struct cpt_vf *cptvf, struct cpt_mbox *mbx)
+{
+ /* Writing mbox(1) causes interrupt */
+ cpt_write_csr64(cptvf->reg_base, CPTX_VFX_PF_MBOXX(0, 0, 0),
+ mbx->msg);
+ cpt_write_csr64(cptvf->reg_base, CPTX_VFX_PF_MBOXX(0, 0, 1),
+ mbx->data);
+}
+
+/* ACKs PF's mailbox message
+ */
+void cptvf_mbox_send_ack(struct cpt_vf *cptvf, struct cpt_mbox *mbx)
+{
+ mbx->msg = CPT_MBOX_MSG_TYPE_ACK;
+ cptvf_send_msg_to_pf(cptvf, mbx);
+}
+
+/* NACKs PF's mailbox message that VF is not able to
+ * complete the action
+ */
+void cptvf_mbox_send_nack(struct cpt_vf *cptvf, struct cpt_mbox *mbx)
+{
+ mbx->msg = CPT_MBOX_MSG_TYPE_NACK;
+ cptvf_send_msg_to_pf(cptvf, mbx);
+}
+
+/* Interrupt handler to handle mailbox messages from VFs */
+void cptvf_handle_mbox_intr(struct cpt_vf *cptvf)
+{
+ struct cpt_mbox mbx = {};
+
+ /*
+ * MBOX[0] contains msg
+ * MBOX[1] contains data
+ */
+ mbx.msg = cpt_read_csr64(cptvf->reg_base, CPTX_VFX_PF_MBOXX(0, 0, 0));
+ mbx.data = cpt_read_csr64(cptvf->reg_base, CPTX_VFX_PF_MBOXX(0, 0, 1));
+ dev_dbg(&cptvf->pdev->dev, "%s: Mailbox msg 0x%llx from PF\n",
+ __func__, mbx.msg);
+ switch (mbx.msg) {
+ case CPT_MSG_READY:
+ {
+ cptvf->pf_acked = true;
+ cptvf->vfid = mbx.data;
+ dev_dbg(&cptvf->pdev->dev, "Received VFID %d\n", cptvf->vfid);
+ break;
+ }
+ case CPT_MSG_QBIND_GRP:
+ cptvf->pf_acked = true;
+ cptvf->vftype = mbx.data;
+ dev_dbg(&cptvf->pdev->dev, "VF %d type %s group %d\n",
+ cptvf->vfid, ((mbx.data == SE_TYPES) ? "SE" : "AE"),
+ cptvf->vfgrp);
+ break;
+ case CPT_MBOX_MSG_TYPE_ACK:
+ cptvf->pf_acked = true;
+ break;
+ case CPT_MBOX_MSG_TYPE_NACK:
+ cptvf->pf_nacked = true;
+ break;
+ default:
+ dev_err(&cptvf->pdev->dev, "Invalid msg from PF, msg 0x%llx\n",
+ mbx.msg);
+ break;
+ }
+}
+
+static int cptvf_send_msg_to_pf_timeout(struct cpt_vf *cptvf,
+ struct cpt_mbox *mbx)
+{
+ int timeout = CPT_MBOX_MSG_TIMEOUT;
+ int sleep = 10;
+
+ cptvf->pf_acked = false;
+ cptvf->pf_nacked = false;
+ cptvf_send_msg_to_pf(cptvf, mbx);
+ /* Wait for previous message to be acked, timeout 2sec */
+ while (!cptvf->pf_acked) {
+ if (cptvf->pf_nacked)
+ return -EINVAL;
+ msleep(sleep);
+ if (cptvf->pf_acked)
+ break;
+ timeout -= sleep;
+ if (!timeout) {
+ dev_err(&cptvf->pdev->dev, "PF didn't ack to mbox msg %llx from VF%u\n",
+ (mbx->msg & 0xFF), cptvf->vfid);
+ return -EBUSY;
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * Checks if VF is able to comminicate with PF
+ * and also gets the CPT number this VF is associated to.
+ */
+int cptvf_check_pf_ready(struct cpt_vf *cptvf)
+{
+ struct pci_dev *pdev = cptvf->pdev;
+ struct cpt_mbox mbx = {};
+
+ mbx.msg = CPT_MSG_READY;
+ if (cptvf_send_msg_to_pf_timeout(cptvf, &mbx)) {
+ dev_err(&pdev->dev, "PF didn't respond to READY msg\n");
+ return -EBUSY;
+ }
+
+ return 0;
+}
+
+/*
+ * Communicate VQs size to PF to program CPT(0)_PF_Q(0-15)_CTL of the VF.
+ * Must be ACKed.
+ */
+int cptvf_send_vq_size_msg(struct cpt_vf *cptvf)
+{
+ struct pci_dev *pdev = cptvf->pdev;
+ struct cpt_mbox mbx = {};
+
+ mbx.msg = CPT_MSG_QLEN;
+ mbx.data = cptvf->qsize;
+ if (cptvf_send_msg_to_pf_timeout(cptvf, &mbx)) {
+ dev_err(&pdev->dev, "PF didn't respond to vq_size msg\n");
+ return -EBUSY;
+ }
+
+ return 0;
+}
+
+/*
+ * Communicate VF group required to PF and get the VQ binded to that group
+ */
+int cptvf_send_vf_to_grp_msg(struct cpt_vf *cptvf)
+{
+ struct pci_dev *pdev = cptvf->pdev;
+ struct cpt_mbox mbx = {};
+
+ mbx.msg = CPT_MSG_QBIND_GRP;
+ /* Convey group of the VF */
+ mbx.data = cptvf->vfgrp;
+ if (cptvf_send_msg_to_pf_timeout(cptvf, &mbx)) {
+ dev_err(&pdev->dev, "PF didn't respond to vf_type msg\n");
+ return -EBUSY;
+ }
+
+ return 0;
+}
+
+/*
+ * Communicate VF group required to PF and get the VQ binded to that group
+ */
+int cptvf_send_vf_priority_msg(struct cpt_vf *cptvf)
+{
+ struct pci_dev *pdev = cptvf->pdev;
+ struct cpt_mbox mbx = {};
+
+ mbx.msg = CPT_MSG_VQ_PRIORITY;
+ /* Convey group of the VF */
+ mbx.data = cptvf->priority;
+ if (cptvf_send_msg_to_pf_timeout(cptvf, &mbx)) {
+ dev_err(&pdev->dev, "PF didn't respond to vf_type msg\n");
+ return -EBUSY;
+ }
+ return 0;
+}
+
+/*
+ * Communicate to PF that VF is UP and running
+ */
+int cptvf_send_vf_up(struct cpt_vf *cptvf)
+{
+ struct pci_dev *pdev = cptvf->pdev;
+ struct cpt_mbox mbx = {};
+
+ mbx.msg = CPT_MSG_VF_UP;
+ if (cptvf_send_msg_to_pf_timeout(cptvf, &mbx)) {
+ dev_err(&pdev->dev, "PF didn't respond to UP msg\n");
+ return -EBUSY;
+ }
+
+ return 0;
+}
+
+/*
+ * Communicate to PF that VF is DOWN and running
+ */
+int cptvf_send_vf_down(struct cpt_vf *cptvf)
+{
+ struct pci_dev *pdev = cptvf->pdev;
+ struct cpt_mbox mbx = {};
+
+ mbx.msg = CPT_MSG_VF_DOWN;
+ if (cptvf_send_msg_to_pf_timeout(cptvf, &mbx)) {
+ dev_err(&pdev->dev, "PF didn't respond to DOWN msg\n");
+ return -EBUSY;
+ }
+
+ return 0;
+}
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptvf_reqmanager.c b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptvf_reqmanager.c
new file mode 100644
index 0000000..43fe69d
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/cptvf_reqmanager.c
@@ -0,0 +1,594 @@
+/*
+ * Copyright (C) 2016 Cavium, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ */
+
+#include "cptvf.h"
+#include "request_manager.h"
+
+/**
+ * get_free_pending_entry - get free entry from pending queue
+ * @param pqinfo: pending_qinfo structure
+ * @param qno: queue number
+ */
+static struct pending_entry *get_free_pending_entry(struct pending_queue *q,
+ int qlen)
+{
+ struct pending_entry *ent = NULL;
+
+ ent = &q->head[q->rear];
+ if (unlikely(ent->busy)) {
+ ent = NULL;
+ goto no_free_entry;
+ }
+
+ q->rear++;
+ if (unlikely(q->rear == qlen))
+ q->rear = 0;
+
+no_free_entry:
+ return ent;
+}
+
+static inline void pending_queue_inc_front(struct pending_qinfo *pqinfo,
+ int qno)
+{
+ struct pending_queue *queue = &pqinfo->queue[qno];
+
+ queue->front++;
+ if (unlikely(queue->front == pqinfo->qlen))
+ queue->front = 0;
+}
+
+static int setup_sgio_components(struct cpt_vf *cptvf, struct buf_ptr *list,
+ int buf_count, u8 *buffer)
+{
+ int ret = 0, i, j;
+ int components;
+ struct sglist_component *sg_ptr = NULL;
+ struct pci_dev *pdev = cptvf->pdev;
+
+ if (unlikely(!list)) {
+ dev_err(&pdev->dev, "Input List pointer is NULL\n");
+ return -EFAULT;
+ }
+
+ for (i = 0; i < buf_count; i++) {
+ if (likely(list[i].vptr)) {
+ list[i].dma_addr = dma_map_single(&pdev->dev,
+ list[i].vptr,
+ list[i].size,
+ DMA_BIDIRECTIONAL);
+ if (unlikely(dma_mapping_error(&pdev->dev,
+ list[i].dma_addr))) {
+ dev_err(&pdev->dev, "DMA map kernel buffer failed for component: %d\n",
+ i);
+ ret = -EIO;
+ goto sg_cleanup;
+ }
+ }
+ }
+
+ components = buf_count / 4;
+ sg_ptr = (struct sglist_component *)buffer;
+ for (i = 0; i < components; i++) {
+ sg_ptr->u.s.len0 = cpu_to_be16(list[i * 4 + 0].size);
+ sg_ptr->u.s.len1 = cpu_to_be16(list[i * 4 + 1].size);
+ sg_ptr->u.s.len2 = cpu_to_be16(list[i * 4 + 2].size);
+ sg_ptr->u.s.len3 = cpu_to_be16(list[i * 4 + 3].size);
+ sg_ptr->ptr0 = cpu_to_be64(list[i * 4 + 0].dma_addr);
+ sg_ptr->ptr1 = cpu_to_be64(list[i * 4 + 1].dma_addr);
+ sg_ptr->ptr2 = cpu_to_be64(list[i * 4 + 2].dma_addr);
+ sg_ptr->ptr3 = cpu_to_be64(list[i * 4 + 3].dma_addr);
+ sg_ptr++;
+ }
+
+ components = buf_count % 4;
+
+ switch (components) {
+ case 3:
+ sg_ptr->u.s.len2 = cpu_to_be16(list[i * 4 + 2].size);
+ sg_ptr->ptr2 = cpu_to_be64(list[i * 4 + 2].dma_addr);
+ /* Fall through */
+ case 2:
+ sg_ptr->u.s.len1 = cpu_to_be16(list[i * 4 + 1].size);
+ sg_ptr->ptr1 = cpu_to_be64(list[i * 4 + 1].dma_addr);
+ /* Fall through */
+ case 1:
+ sg_ptr->u.s.len0 = cpu_to_be16(list[i * 4 + 0].size);
+ sg_ptr->ptr0 = cpu_to_be64(list[i * 4 + 0].dma_addr);
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+
+sg_cleanup:
+ for (j = 0; j < i; j++) {
+ if (list[j].dma_addr) {
+ dma_unmap_single(&pdev->dev, list[i].dma_addr,
+ list[i].size, DMA_BIDIRECTIONAL);
+ }
+
+ list[j].dma_addr = 0;
+ }
+
+ return ret;
+}
+
+static inline int setup_sgio_list(struct cpt_vf *cptvf,
+ struct cpt_info_buffer *info,
+ struct cpt_request_info *req)
+{
+ u16 g_sz_bytes = 0, s_sz_bytes = 0;
+ int ret = 0;
+ struct pci_dev *pdev = cptvf->pdev;
+
+ if (req->incnt > MAX_SG_IN_CNT || req->outcnt > MAX_SG_OUT_CNT) {
+ dev_err(&pdev->dev, "Request SG components are higher than supported\n");
+ ret = -EINVAL;
+ goto scatter_gather_clean;
+ }
+
+ /* Setup gather (input) components */
+ g_sz_bytes = ((req->incnt + 3) / 4) * sizeof(struct sglist_component);
+ info->gather_components = kzalloc(g_sz_bytes, req->may_sleep ? GFP_KERNEL : GFP_ATOMIC);
+ if (!info->gather_components) {
+ ret = -ENOMEM;
+ goto scatter_gather_clean;
+ }
+
+ ret = setup_sgio_components(cptvf, req->in,
+ req->incnt,
+ info->gather_components);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to setup gather list\n");
+ ret = -EFAULT;
+ goto scatter_gather_clean;
+ }
+
+ /* Setup scatter (output) components */
+ s_sz_bytes = ((req->outcnt + 3) / 4) * sizeof(struct sglist_component);
+ info->scatter_components = kzalloc(s_sz_bytes, req->may_sleep ? GFP_KERNEL : GFP_ATOMIC);
+ if (!info->scatter_components) {
+ ret = -ENOMEM;
+ goto scatter_gather_clean;
+ }
+
+ ret = setup_sgio_components(cptvf, req->out,
+ req->outcnt,
+ info->scatter_components);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to setup gather list\n");
+ ret = -EFAULT;
+ goto scatter_gather_clean;
+ }
+
+ /* Create and initialize DPTR */
+ info->dlen = g_sz_bytes + s_sz_bytes + SG_LIST_HDR_SIZE;
+ info->in_buffer = kzalloc(info->dlen, req->may_sleep ? GFP_KERNEL : GFP_ATOMIC);
+ if (!info->in_buffer) {
+ ret = -ENOMEM;
+ goto scatter_gather_clean;
+ }
+
+ ((u16 *)info->in_buffer)[0] = req->outcnt;
+ ((u16 *)info->in_buffer)[1] = req->incnt;
+ ((u16 *)info->in_buffer)[2] = 0;
+ ((u16 *)info->in_buffer)[3] = 0;
+ *(u64 *)info->in_buffer = cpu_to_be64p((u64 *)info->in_buffer);
+
+ memcpy(&info->in_buffer[8], info->gather_components,
+ g_sz_bytes);
+ memcpy(&info->in_buffer[8 + g_sz_bytes],
+ info->scatter_components, s_sz_bytes);
+
+ info->dptr_baddr = dma_map_single(&pdev->dev,
+ (void *)info->in_buffer,
+ info->dlen,
+ DMA_BIDIRECTIONAL);
+ if (dma_mapping_error(&pdev->dev, info->dptr_baddr)) {
+ dev_err(&pdev->dev, "Mapping DPTR Failed %d\n", info->dlen);
+ ret = -EIO;
+ goto scatter_gather_clean;
+ }
+
+ /* Create and initialize RPTR */
+ info->out_buffer = kzalloc(COMPLETION_CODE_SIZE, req->may_sleep ? GFP_KERNEL : GFP_ATOMIC);
+ if (!info->out_buffer) {
+ ret = -ENOMEM;
+ goto scatter_gather_clean;
+ }
+
+ *((u64 *)info->out_buffer) = ~((u64)COMPLETION_CODE_INIT);
+ info->alternate_caddr = (u64 *)info->out_buffer;
+ info->rptr_baddr = dma_map_single(&pdev->dev,
+ (void *)info->out_buffer,
+ COMPLETION_CODE_SIZE,
+ DMA_BIDIRECTIONAL);
+ if (dma_mapping_error(&pdev->dev, info->rptr_baddr)) {
+ dev_err(&pdev->dev, "Mapping RPTR Failed %d\n",
+ COMPLETION_CODE_SIZE);
+ ret = -EIO;
+ goto scatter_gather_clean;
+ }
+
+ return 0;
+
+scatter_gather_clean:
+ return ret;
+}
+
+int send_cpt_command(struct cpt_vf *cptvf, union cpt_inst_s *cmd,
+ u32 qno)
+{
+ struct pci_dev *pdev = cptvf->pdev;
+ struct command_qinfo *qinfo = NULL;
+ struct command_queue *queue;
+ struct command_chunk *chunk;
+ u8 *ent;
+ int ret = 0;
+
+ if (unlikely(qno >= cptvf->nr_queues)) {
+ dev_err(&pdev->dev, "Invalid queue (qno: %d, nr_queues: %d)\n",
+ qno, cptvf->nr_queues);
+ return -EINVAL;
+ }
+
+ qinfo = &cptvf->cqinfo;
+ queue = &qinfo->queue[qno];
+ /* lock commad queue */
+ spin_lock(&queue->lock);
+ ent = &queue->qhead->head[queue->idx * qinfo->cmd_size];
+ memcpy(ent, (void *)cmd, qinfo->cmd_size);
+
+ if (++queue->idx >= queue->qhead->size / 64) {
+ struct hlist_node *node;
+
+ hlist_for_each(node, &queue->chead) {
+ chunk = hlist_entry(node, struct command_chunk,
+ nextchunk);
+ if (chunk == queue->qhead) {
+ continue;
+ } else {
+ queue->qhead = chunk;
+ break;
+ }
+ }
+ queue->idx = 0;
+ }
+ /* make sure all memory stores are done before ringing doorbell */
+ smp_wmb();
+ cptvf_write_vq_doorbell(cptvf, 1);
+ /* unlock command queue */
+ spin_unlock(&queue->lock);
+
+ return ret;
+}
+
+void do_request_cleanup(struct cpt_vf *cptvf,
+ struct cpt_info_buffer *info)
+{
+ int i;
+ struct pci_dev *pdev = cptvf->pdev;
+ struct cpt_request_info *req;
+
+ if (info->dptr_baddr)
+ dma_unmap_single(&pdev->dev, info->dptr_baddr,
+ info->dlen, DMA_BIDIRECTIONAL);
+
+ if (info->rptr_baddr)
+ dma_unmap_single(&pdev->dev, info->rptr_baddr,
+ COMPLETION_CODE_SIZE, DMA_BIDIRECTIONAL);
+
+ if (info->comp_baddr)
+ dma_unmap_single(&pdev->dev, info->comp_baddr,
+ sizeof(union cpt_res_s), DMA_BIDIRECTIONAL);
+
+ if (info->req) {
+ req = info->req;
+ for (i = 0; i < req->outcnt; i++) {
+ if (req->out[i].dma_addr)
+ dma_unmap_single(&pdev->dev,
+ req->out[i].dma_addr,
+ req->out[i].size,
+ DMA_BIDIRECTIONAL);
+ }
+
+ for (i = 0; i < req->incnt; i++) {
+ if (req->in[i].dma_addr)
+ dma_unmap_single(&pdev->dev,
+ req->in[i].dma_addr,
+ req->in[i].size,
+ DMA_BIDIRECTIONAL);
+ }
+ }
+
+ if (info->scatter_components)
+ kzfree(info->scatter_components);
+
+ if (info->gather_components)
+ kzfree(info->gather_components);
+
+ if (info->out_buffer)
+ kzfree(info->out_buffer);
+
+ if (info->in_buffer)
+ kzfree(info->in_buffer);
+
+ if (info->completion_addr)
+ kzfree((void *)info->completion_addr);
+
+ kzfree(info);
+}
+
+void do_post_process(struct cpt_vf *cptvf, struct cpt_info_buffer *info)
+{
+ struct pci_dev *pdev = cptvf->pdev;
+
+ if (!info) {
+ dev_err(&pdev->dev, "incorrect cpt_info_buffer for post processing\n");
+ return;
+ }
+
+ do_request_cleanup(cptvf, info);
+}
+
+static inline void process_pending_queue(struct cpt_vf *cptvf,
+ struct pending_qinfo *pqinfo,
+ int qno)
+{
+ struct pci_dev *pdev = cptvf->pdev;
+ struct pending_queue *pqueue = &pqinfo->queue[qno];
+ struct pending_entry *pentry = NULL;
+ struct cpt_info_buffer *info = NULL;
+ union cpt_res_s *status = NULL;
+ unsigned char ccode;
+
+ while (1) {
+ spin_lock_bh(&pqueue->lock);
+ pentry = &pqueue->head[pqueue->front];
+ if (unlikely(!pentry->busy)) {
+ spin_unlock_bh(&pqueue->lock);
+ break;
+ }
+
+ info = (struct cpt_info_buffer *)pentry->post_arg;
+ if (unlikely(!info)) {
+ dev_err(&pdev->dev, "Pending Entry post arg NULL\n");
+ pending_queue_inc_front(pqinfo, qno);
+ spin_unlock_bh(&pqueue->lock);
+ continue;
+ }
+
+ status = (union cpt_res_s *)pentry->completion_addr;
+ ccode = status->s.compcode;
+ if ((status->s.compcode == CPT_COMP_E_FAULT) ||
+ (status->s.compcode == CPT_COMP_E_SWERR)) {
+ dev_err(&pdev->dev, "Request failed with %s\n",
+ (status->s.compcode == CPT_COMP_E_FAULT) ?
+ "DMA Fault" : "Software error");
+ pentry->completion_addr = NULL;
+ pentry->busy = false;
+ atomic64_dec((&pqueue->pending_count));
+ pentry->post_arg = NULL;
+ pending_queue_inc_front(pqinfo, qno);
+ do_request_cleanup(cptvf, info);
+ spin_unlock_bh(&pqueue->lock);
+ break;
+ } else if (status->s.compcode == COMPLETION_CODE_INIT) {
+ /* check for timeout */
+ if (time_after_eq(jiffies,
+ (info->time_in +
+ (CPT_COMMAND_TIMEOUT * HZ)))) {
+ dev_err(&pdev->dev, "Request timed out");
+ pentry->completion_addr = NULL;
+ pentry->busy = false;
+ atomic64_dec((&pqueue->pending_count));
+ pentry->post_arg = NULL;
+ pending_queue_inc_front(pqinfo, qno);
+ do_request_cleanup(cptvf, info);
+ spin_unlock_bh(&pqueue->lock);
+ break;
+ } else if ((*info->alternate_caddr ==
+ (~COMPLETION_CODE_INIT)) &&
+ (info->extra_time < TIME_IN_RESET_COUNT)) {
+ info->time_in = jiffies;
+ info->extra_time++;
+ spin_unlock_bh(&pqueue->lock);
+ break;
+ }
+ }
+
+ pentry->completion_addr = NULL;
+ pentry->busy = false;
+ pentry->post_arg = NULL;
+ atomic64_dec((&pqueue->pending_count));
+ pending_queue_inc_front(pqinfo, qno);
+ spin_unlock_bh(&pqueue->lock);
+
+ do_post_process(info->cptvf, info);
+ /*
+ * Calling callback after we find
+ * that the request has been serviced
+ */
+ pentry->callback(ccode, pentry->callback_arg);
+ }
+}
+
+int process_request(struct cpt_vf *cptvf, struct cpt_request_info *req)
+{
+ int ret = 0, clear = 0, queue = 0;
+ struct cpt_info_buffer *info = NULL;
+ struct cptvf_request *cpt_req = NULL;
+ union ctrl_info *ctrl = NULL;
+ union cpt_res_s *result = NULL;
+ struct pending_entry *pentry = NULL;
+ struct pending_queue *pqueue = NULL;
+ struct pci_dev *pdev = cptvf->pdev;
+ u8 group = 0;
+ struct cpt_vq_command vq_cmd;
+ union cpt_inst_s cptinst;
+
+ info = kzalloc(sizeof(*info), req->may_sleep ? GFP_KERNEL : GFP_ATOMIC);
+ if (unlikely(!info)) {
+ dev_err(&pdev->dev, "Unable to allocate memory for info_buffer\n");
+ return -ENOMEM;
+ }
+
+ cpt_req = (struct cptvf_request *)&req->req;
+ ctrl = (union ctrl_info *)&req->ctrl;
+
+ info->cptvf = cptvf;
+ group = ctrl->s.grp;
+ ret = setup_sgio_list(cptvf, info, req);
+ if (ret) {
+ dev_err(&pdev->dev, "Setting up SG list failed");
+ goto request_cleanup;
+ }
+
+ cpt_req->dlen = info->dlen;
+ /*
+ * Get buffer for union cpt_res_s response
+ * structure and its physical address
+ */
+ info->completion_addr = kzalloc(sizeof(union cpt_res_s), req->may_sleep ? GFP_KERNEL : GFP_ATOMIC);
+ if (unlikely(!info->completion_addr)) {
+ dev_err(&pdev->dev, "Unable to allocate memory for completion_addr\n");
+ ret = -ENOMEM;
+ goto request_cleanup;
+ }
+
+ result = (union cpt_res_s *)info->completion_addr;
+ result->s.compcode = COMPLETION_CODE_INIT;
+ info->comp_baddr = dma_map_single(&pdev->dev,
+ (void *)info->completion_addr,
+ sizeof(union cpt_res_s),
+ DMA_BIDIRECTIONAL);
+ if (dma_mapping_error(&pdev->dev, info->comp_baddr)) {
+ dev_err(&pdev->dev, "mapping compptr Failed %lu\n",
+ sizeof(union cpt_res_s));
+ ret = -EFAULT;
+ goto request_cleanup;
+ }
+
+ /* Fill the VQ command */
+ vq_cmd.cmd.u64 = 0;
+ vq_cmd.cmd.s.opcode = cpu_to_be16(cpt_req->opcode.flags);
+ vq_cmd.cmd.s.param1 = cpu_to_be16(cpt_req->param1);
+ vq_cmd.cmd.s.param2 = cpu_to_be16(cpt_req->param2);
+ vq_cmd.cmd.s.dlen = cpu_to_be16(cpt_req->dlen);
+
+ /* 64-bit swap for microcode data reads, not needed for addresses*/
+ vq_cmd.cmd.u64 = cpu_to_be64(vq_cmd.cmd.u64);
+ vq_cmd.dptr = info->dptr_baddr;
+ vq_cmd.rptr = info->rptr_baddr;
+ vq_cmd.cptr.u64 = 0;
+ vq_cmd.cptr.s.grp = group;
+ /* Get Pending Entry to submit command */
+ /* Always queue 0, because 1 queue per VF */
+ queue = 0;
+ pqueue = &cptvf->pqinfo.queue[queue];
+
+ if (atomic64_read(&pqueue->pending_count) > PENDING_THOLD) {
+ dev_err(&pdev->dev, "pending threshold reached\n");
+ process_pending_queue(cptvf, &cptvf->pqinfo, queue);
+ }
+
+get_pending_entry:
+ spin_lock_bh(&pqueue->lock);
+ pentry = get_free_pending_entry(pqueue, cptvf->pqinfo.qlen);
+ if (unlikely(!pentry)) {
+ spin_unlock_bh(&pqueue->lock);
+ if (clear == 0) {
+ process_pending_queue(cptvf, &cptvf->pqinfo, queue);
+ clear = 1;
+ goto get_pending_entry;
+ }
+ dev_err(&pdev->dev, "Get free entry failed\n");
+ dev_err(&pdev->dev, "queue: %d, rear: %d, front: %d\n",
+ queue, pqueue->rear, pqueue->front);
+ ret = -EFAULT;
+ goto request_cleanup;
+ }
+
+ pentry->completion_addr = info->completion_addr;
+ pentry->post_arg = (void *)info;
+ pentry->callback = req->callback;
+ pentry->callback_arg = req->callback_arg;
+ info->pentry = pentry;
+ pentry->busy = true;
+ atomic64_inc(&pqueue->pending_count);
+
+ /* Send CPT command */
+ info->pentry = pentry;
+ info->time_in = jiffies;
+ info->req = req;
+
+ /* Create the CPT_INST_S type command for HW intrepretation */
+ cptinst.s.doneint = true;
+ cptinst.s.res_addr = (u64)info->comp_baddr;
+ cptinst.s.tag = 0;
+ cptinst.s.grp = 0;
+ cptinst.s.wq_ptr = 0;
+ cptinst.s.ei0 = vq_cmd.cmd.u64;
+ cptinst.s.ei1 = vq_cmd.dptr;
+ cptinst.s.ei2 = vq_cmd.rptr;
+ cptinst.s.ei3 = vq_cmd.cptr.u64;
+
+ ret = send_cpt_command(cptvf, &cptinst, queue);
+ spin_unlock_bh(&pqueue->lock);
+ if (unlikely(ret)) {
+ dev_err(&pdev->dev, "Send command failed for AE\n");
+ ret = -EFAULT;
+ goto request_cleanup;
+ }
+
+ return 0;
+
+request_cleanup:
+ dev_dbg(&pdev->dev, "Failed to submit CPT command\n");
+ do_request_cleanup(cptvf, info);
+
+ return ret;
+}
+
+void vq_post_process(struct cpt_vf *cptvf, u32 qno)
+{
+ struct pci_dev *pdev = cptvf->pdev;
+
+ if (unlikely(qno > cptvf->nr_queues)) {
+ dev_err(&pdev->dev, "Request for post processing on invalid pending queue: %u\n",
+ qno);
+ return;
+ }
+
+ process_pending_queue(cptvf, &cptvf->pqinfo, qno);
+}
+
+int cptvf_do_request(void *vfdev, struct cpt_request_info *req)
+{
+ struct cpt_vf *cptvf = (struct cpt_vf *)vfdev;
+ struct pci_dev *pdev = cptvf->pdev;
+
+ if (!cpt_device_ready(cptvf)) {
+ dev_err(&pdev->dev, "CPT Device is not ready");
+ return -ENODEV;
+ }
+
+ if ((cptvf->vftype == SE_TYPES) && (!req->ctrl.s.se_req)) {
+ dev_err(&pdev->dev, "CPTVF-%d of SE TYPE got AE request",
+ cptvf->vfid);
+ return -EINVAL;
+ } else if ((cptvf->vftype == AE_TYPES) && (req->ctrl.s.se_req)) {
+ dev_err(&pdev->dev, "CPTVF-%d of AE TYPE got SE request",
+ cptvf->vfid);
+ return -EINVAL;
+ }
+
+ return process_request(cptvf, req);
+}
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/request_manager.h b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/request_manager.h
new file mode 100644
index 0000000..09930d9
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/cpt/request_manager.h
@@ -0,0 +1,149 @@
+/*
+ * Copyright (C) 2016 Cavium, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ */
+
+#ifndef __REQUEST_MANAGER_H
+#define __REQUEST_MANAGER_H
+
+#include "cpt_common.h"
+
+#define TIME_IN_RESET_COUNT 5
+#define COMPLETION_CODE_SIZE 8
+#define COMPLETION_CODE_INIT 0
+#define PENDING_THOLD 100
+#define MAX_SG_IN_CNT 12
+#define MAX_SG_OUT_CNT 13
+#define SG_LIST_HDR_SIZE 8
+#define MAX_BUF_CNT 16
+
+union ctrl_info {
+ u32 flags;
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u32 reserved0:26;
+ u32 grp:3; /* Group bits */
+ u32 dma_mode:2; /* DMA mode */
+ u32 se_req:1;/* To SE core */
+#else
+ u32 se_req:1; /* To SE core */
+ u32 dma_mode:2; /* DMA mode */
+ u32 grp:3; /* Group bits */
+ u32 reserved0:26;
+#endif
+ } s;
+};
+
+union opcode_info {
+ u16 flags;
+ struct {
+ u8 major;
+ u8 minor;
+ } s;
+};
+
+struct cptvf_request {
+ union opcode_info opcode;
+ u16 param1;
+ u16 param2;
+ u16 dlen;
+};
+
+struct buf_ptr {
+ u8 *vptr;
+ dma_addr_t dma_addr;
+ u16 size;
+};
+
+struct cpt_request_info {
+ u8 incnt; /* Number of input buffers */
+ u8 outcnt; /* Number of output buffers */
+ u16 rlen; /* Output length */
+ union ctrl_info ctrl; /* User control information */
+ struct cptvf_request req; /* Request Information (Core specific) */
+
+ bool may_sleep;
+
+ struct buf_ptr in[MAX_BUF_CNT];
+ struct buf_ptr out[MAX_BUF_CNT];
+
+ void (*callback)(int, void *); /* Kernel ASYNC request callabck */
+ void *callback_arg; /* Kernel ASYNC request callabck arg */
+};
+
+struct sglist_component {
+ union {
+ u64 len;
+ struct {
+ u16 len0;
+ u16 len1;
+ u16 len2;
+ u16 len3;
+ } s;
+ } u;
+ u64 ptr0;
+ u64 ptr1;
+ u64 ptr2;
+ u64 ptr3;
+};
+
+struct cpt_info_buffer {
+ struct cpt_vf *cptvf;
+ unsigned long time_in;
+ u8 extra_time;
+
+ struct cpt_request_info *req;
+ dma_addr_t dptr_baddr;
+ u32 dlen;
+ dma_addr_t rptr_baddr;
+ dma_addr_t comp_baddr;
+ u8 *in_buffer;
+ u8 *out_buffer;
+ u8 *gather_components;
+ u8 *scatter_components;
+
+ struct pending_entry *pentry;
+ volatile u64 *completion_addr;
+ volatile u64 *alternate_caddr;
+};
+
+/*
+ * CPT_INST_S software command definitions
+ * Words EI (0-3)
+ */
+union vq_cmd_word0 {
+ u64 u64;
+ struct {
+ u16 opcode;
+ u16 param1;
+ u16 param2;
+ u16 dlen;
+ } s;
+};
+
+union vq_cmd_word3 {
+ u64 u64;
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 grp:3;
+ u64 cptr:61;
+#else
+ u64 cptr:61;
+ u64 grp:3;
+#endif
+ } s;
+};
+
+struct cpt_vq_command {
+ union vq_cmd_word0 cmd;
+ u64 dptr;
+ u64 rptr;
+ union vq_cmd_word3 cptr;
+};
+
+void vq_post_process(struct cpt_vf *cptvf, u32 qno);
+int process_request(struct cpt_vf *cptvf, struct cpt_request_info *req);
+#endif /* __REQUEST_MANAGER_H */
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/Kconfig b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/Kconfig
new file mode 100644
index 0000000..181a1df
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/Kconfig
@@ -0,0 +1,20 @@
+#
+# Cavium NITROX Crypto Device configuration
+#
+config CRYPTO_DEV_NITROX
+ tristate
+ select CRYPTO_BLKCIPHER
+ select CRYPTO_AES
+ select CRYPTO_DES
+ select FW_LOADER
+
+config CRYPTO_DEV_NITROX_CNN55XX
+ tristate "Support for Cavium CNN55XX driver"
+ depends on PCI_MSI && 64BIT
+ select CRYPTO_DEV_NITROX
+ help
+ Support for Cavium NITROX family CNN55XX driver
+ for accelerating crypto workloads.
+
+ To compile this as a module, choose M here: the module
+ will be called n5pf.
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/Makefile b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/Makefile
new file mode 100644
index 0000000..45b7379
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/Makefile
@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_CRYPTO_DEV_NITROX_CNN55XX) += n5pf.o
+
+n5pf-objs := nitrox_main.o \
+ nitrox_isr.o \
+ nitrox_lib.o \
+ nitrox_hal.o \
+ nitrox_reqmgr.o \
+ nitrox_algs.o
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_algs.c b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_algs.c
new file mode 100644
index 0000000..5d54ebc
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_algs.c
@@ -0,0 +1,460 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/crypto.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/printk.h>
+
+#include <crypto/aes.h>
+#include <crypto/skcipher.h>
+#include <crypto/ctr.h>
+#include <crypto/des.h>
+#include <crypto/xts.h>
+
+#include "nitrox_dev.h"
+#include "nitrox_common.h"
+#include "nitrox_req.h"
+
+#define PRIO 4001
+
+struct nitrox_cipher {
+ const char *name;
+ enum flexi_cipher value;
+};
+
+/**
+ * supported cipher list
+ */
+static const struct nitrox_cipher flexi_cipher_table[] = {
+ { "null", CIPHER_NULL },
+ { "cbc(des3_ede)", CIPHER_3DES_CBC },
+ { "ecb(des3_ede)", CIPHER_3DES_ECB },
+ { "cbc(aes)", CIPHER_AES_CBC },
+ { "ecb(aes)", CIPHER_AES_ECB },
+ { "cfb(aes)", CIPHER_AES_CFB },
+ { "rfc3686(ctr(aes))", CIPHER_AES_CTR },
+ { "xts(aes)", CIPHER_AES_XTS },
+ { "cts(cbc(aes))", CIPHER_AES_CBC_CTS },
+ { NULL, CIPHER_INVALID }
+};
+
+static enum flexi_cipher flexi_cipher_type(const char *name)
+{
+ const struct nitrox_cipher *cipher = flexi_cipher_table;
+
+ while (cipher->name) {
+ if (!strcmp(cipher->name, name))
+ break;
+ cipher++;
+ }
+ return cipher->value;
+}
+
+static int flexi_aes_keylen(int keylen)
+{
+ int aes_keylen;
+
+ switch (keylen) {
+ case AES_KEYSIZE_128:
+ aes_keylen = 1;
+ break;
+ case AES_KEYSIZE_192:
+ aes_keylen = 2;
+ break;
+ case AES_KEYSIZE_256:
+ aes_keylen = 3;
+ break;
+ default:
+ aes_keylen = -EINVAL;
+ break;
+ }
+ return aes_keylen;
+}
+
+static int nitrox_skcipher_init(struct crypto_skcipher *tfm)
+{
+ struct nitrox_crypto_ctx *nctx = crypto_skcipher_ctx(tfm);
+ struct crypto_ctx_hdr *chdr;
+
+ /* get the first device */
+ nctx->ndev = nitrox_get_first_device();
+ if (!nctx->ndev)
+ return -ENODEV;
+
+ /* allocate nitrox crypto context */
+ chdr = crypto_alloc_context(nctx->ndev);
+ if (!chdr) {
+ nitrox_put_device(nctx->ndev);
+ return -ENOMEM;
+ }
+ nctx->chdr = chdr;
+ nctx->u.ctx_handle = (uintptr_t)((u8 *)chdr->vaddr +
+ sizeof(struct ctx_hdr));
+ crypto_skcipher_set_reqsize(tfm, crypto_skcipher_reqsize(tfm) +
+ sizeof(struct nitrox_kcrypt_request));
+ return 0;
+}
+
+static void nitrox_skcipher_exit(struct crypto_skcipher *tfm)
+{
+ struct nitrox_crypto_ctx *nctx = crypto_skcipher_ctx(tfm);
+
+ /* free the nitrox crypto context */
+ if (nctx->u.ctx_handle) {
+ struct flexi_crypto_context *fctx = nctx->u.fctx;
+
+ memset(&fctx->crypto, 0, sizeof(struct crypto_keys));
+ memset(&fctx->auth, 0, sizeof(struct auth_keys));
+ crypto_free_context((void *)nctx->chdr);
+ }
+ nitrox_put_device(nctx->ndev);
+
+ nctx->u.ctx_handle = 0;
+ nctx->ndev = NULL;
+}
+
+static inline int nitrox_skcipher_setkey(struct crypto_skcipher *cipher,
+ int aes_keylen, const u8 *key,
+ unsigned int keylen)
+{
+ struct crypto_tfm *tfm = crypto_skcipher_tfm(cipher);
+ struct nitrox_crypto_ctx *nctx = crypto_tfm_ctx(tfm);
+ struct flexi_crypto_context *fctx;
+ enum flexi_cipher cipher_type;
+ const char *name;
+
+ name = crypto_tfm_alg_name(tfm);
+ cipher_type = flexi_cipher_type(name);
+ if (unlikely(cipher_type == CIPHER_INVALID)) {
+ pr_err("unsupported cipher: %s\n", name);
+ return -EINVAL;
+ }
+
+ /* fill crypto context */
+ fctx = nctx->u.fctx;
+ fctx->flags = 0;
+ fctx->w0.cipher_type = cipher_type;
+ fctx->w0.aes_keylen = aes_keylen;
+ fctx->w0.iv_source = IV_FROM_DPTR;
+ fctx->flags = cpu_to_be64(*(u64 *)&fctx->w0);
+ /* copy the key to context */
+ memcpy(fctx->crypto.u.key, key, keylen);
+
+ return 0;
+}
+
+static int nitrox_aes_setkey(struct crypto_skcipher *cipher, const u8 *key,
+ unsigned int keylen)
+{
+ int aes_keylen;
+
+ aes_keylen = flexi_aes_keylen(keylen);
+ if (aes_keylen < 0) {
+ crypto_skcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
+ return -EINVAL;
+ }
+ return nitrox_skcipher_setkey(cipher, aes_keylen, key, keylen);
+}
+
+static void nitrox_skcipher_callback(struct skcipher_request *skreq,
+ int err)
+{
+ if (err) {
+ pr_err_ratelimited("request failed status 0x%0x\n", err);
+ err = -EINVAL;
+ }
+ skcipher_request_complete(skreq, err);
+}
+
+static int nitrox_skcipher_crypt(struct skcipher_request *skreq, bool enc)
+{
+ struct crypto_skcipher *cipher = crypto_skcipher_reqtfm(skreq);
+ struct nitrox_crypto_ctx *nctx = crypto_skcipher_ctx(cipher);
+ struct nitrox_kcrypt_request *nkreq = skcipher_request_ctx(skreq);
+ int ivsize = crypto_skcipher_ivsize(cipher);
+ struct se_crypto_request *creq;
+
+ creq = &nkreq->creq;
+ creq->flags = skreq->base.flags;
+ creq->gfp = (skreq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
+ GFP_KERNEL : GFP_ATOMIC;
+
+ /* fill the request */
+ creq->ctrl.value = 0;
+ creq->opcode = FLEXI_CRYPTO_ENCRYPT_HMAC;
+ creq->ctrl.s.arg = (enc ? ENCRYPT : DECRYPT);
+ /* param0: length of the data to be encrypted */
+ creq->gph.param0 = cpu_to_be16(skreq->cryptlen);
+ creq->gph.param1 = 0;
+ /* param2: encryption data offset */
+ creq->gph.param2 = cpu_to_be16(ivsize);
+ creq->gph.param3 = 0;
+
+ creq->ctx_handle = nctx->u.ctx_handle;
+ creq->ctrl.s.ctxl = sizeof(struct flexi_crypto_context);
+
+ /* copy the iv */
+ memcpy(creq->iv, skreq->iv, ivsize);
+ creq->ivsize = ivsize;
+ creq->src = skreq->src;
+ creq->dst = skreq->dst;
+
+ nkreq->nctx = nctx;
+ nkreq->skreq = skreq;
+
+ /* send the crypto request */
+ return nitrox_process_se_request(nctx->ndev, creq,
+ nitrox_skcipher_callback, skreq);
+}
+
+static int nitrox_aes_encrypt(struct skcipher_request *skreq)
+{
+ return nitrox_skcipher_crypt(skreq, true);
+}
+
+static int nitrox_aes_decrypt(struct skcipher_request *skreq)
+{
+ return nitrox_skcipher_crypt(skreq, false);
+}
+
+static int nitrox_3des_setkey(struct crypto_skcipher *cipher,
+ const u8 *key, unsigned int keylen)
+{
+ if (keylen != DES3_EDE_KEY_SIZE) {
+ crypto_skcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
+ return -EINVAL;
+ }
+
+ return nitrox_skcipher_setkey(cipher, 0, key, keylen);
+}
+
+static int nitrox_3des_encrypt(struct skcipher_request *skreq)
+{
+ return nitrox_skcipher_crypt(skreq, true);
+}
+
+static int nitrox_3des_decrypt(struct skcipher_request *skreq)
+{
+ return nitrox_skcipher_crypt(skreq, false);
+}
+
+static int nitrox_aes_xts_setkey(struct crypto_skcipher *cipher,
+ const u8 *key, unsigned int keylen)
+{
+ struct crypto_tfm *tfm = crypto_skcipher_tfm(cipher);
+ struct nitrox_crypto_ctx *nctx = crypto_tfm_ctx(tfm);
+ struct flexi_crypto_context *fctx;
+ int aes_keylen, ret;
+
+ ret = xts_check_key(tfm, key, keylen);
+ if (ret)
+ return ret;
+
+ keylen /= 2;
+
+ aes_keylen = flexi_aes_keylen(keylen);
+ if (aes_keylen < 0) {
+ crypto_skcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
+ return -EINVAL;
+ }
+
+ fctx = nctx->u.fctx;
+ /* copy KEY2 */
+ memcpy(fctx->auth.u.key2, (key + keylen), keylen);
+
+ return nitrox_skcipher_setkey(cipher, aes_keylen, key, keylen);
+}
+
+static int nitrox_aes_ctr_rfc3686_setkey(struct crypto_skcipher *cipher,
+ const u8 *key, unsigned int keylen)
+{
+ struct crypto_tfm *tfm = crypto_skcipher_tfm(cipher);
+ struct nitrox_crypto_ctx *nctx = crypto_tfm_ctx(tfm);
+ struct flexi_crypto_context *fctx;
+ int aes_keylen;
+
+ if (keylen < CTR_RFC3686_NONCE_SIZE)
+ return -EINVAL;
+
+ fctx = nctx->u.fctx;
+
+ memcpy(fctx->crypto.iv, key + (keylen - CTR_RFC3686_NONCE_SIZE),
+ CTR_RFC3686_NONCE_SIZE);
+
+ keylen -= CTR_RFC3686_NONCE_SIZE;
+
+ aes_keylen = flexi_aes_keylen(keylen);
+ if (aes_keylen < 0) {
+ crypto_skcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
+ return -EINVAL;
+ }
+ return nitrox_skcipher_setkey(cipher, aes_keylen, key, keylen);
+}
+
+static struct skcipher_alg nitrox_skciphers[] = { {
+ .base = {
+ .cra_name = "cbc(aes)",
+ .cra_driver_name = "n5_cbc(aes)",
+ .cra_priority = PRIO,
+ .cra_flags = CRYPTO_ALG_ASYNC,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
+ .cra_alignmask = 0,
+ .cra_module = THIS_MODULE,
+ },
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .setkey = nitrox_aes_setkey,
+ .encrypt = nitrox_aes_encrypt,
+ .decrypt = nitrox_aes_decrypt,
+ .init = nitrox_skcipher_init,
+ .exit = nitrox_skcipher_exit,
+}, {
+ .base = {
+ .cra_name = "ecb(aes)",
+ .cra_driver_name = "n5_ecb(aes)",
+ .cra_priority = PRIO,
+ .cra_flags = CRYPTO_ALG_ASYNC,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
+ .cra_alignmask = 0,
+ .cra_module = THIS_MODULE,
+ },
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .setkey = nitrox_aes_setkey,
+ .encrypt = nitrox_aes_encrypt,
+ .decrypt = nitrox_aes_decrypt,
+ .init = nitrox_skcipher_init,
+ .exit = nitrox_skcipher_exit,
+}, {
+ .base = {
+ .cra_name = "cfb(aes)",
+ .cra_driver_name = "n5_cfb(aes)",
+ .cra_priority = PRIO,
+ .cra_flags = CRYPTO_ALG_ASYNC,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
+ .cra_alignmask = 0,
+ .cra_module = THIS_MODULE,
+ },
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .setkey = nitrox_aes_setkey,
+ .encrypt = nitrox_aes_encrypt,
+ .decrypt = nitrox_aes_decrypt,
+ .init = nitrox_skcipher_init,
+ .exit = nitrox_skcipher_exit,
+}, {
+ .base = {
+ .cra_name = "xts(aes)",
+ .cra_driver_name = "n5_xts(aes)",
+ .cra_priority = PRIO,
+ .cra_flags = CRYPTO_ALG_ASYNC,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
+ .cra_alignmask = 0,
+ .cra_module = THIS_MODULE,
+ },
+ .min_keysize = 2 * AES_MIN_KEY_SIZE,
+ .max_keysize = 2 * AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .setkey = nitrox_aes_xts_setkey,
+ .encrypt = nitrox_aes_encrypt,
+ .decrypt = nitrox_aes_decrypt,
+ .init = nitrox_skcipher_init,
+ .exit = nitrox_skcipher_exit,
+}, {
+ .base = {
+ .cra_name = "rfc3686(ctr(aes))",
+ .cra_driver_name = "n5_rfc3686(ctr(aes))",
+ .cra_priority = PRIO,
+ .cra_flags = CRYPTO_ALG_ASYNC,
+ .cra_blocksize = 1,
+ .cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
+ .cra_alignmask = 0,
+ .cra_module = THIS_MODULE,
+ },
+ .min_keysize = AES_MIN_KEY_SIZE + CTR_RFC3686_NONCE_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE + CTR_RFC3686_NONCE_SIZE,
+ .ivsize = CTR_RFC3686_IV_SIZE,
+ .init = nitrox_skcipher_init,
+ .exit = nitrox_skcipher_exit,
+ .setkey = nitrox_aes_ctr_rfc3686_setkey,
+ .encrypt = nitrox_aes_encrypt,
+ .decrypt = nitrox_aes_decrypt,
+}, {
+ .base = {
+ .cra_name = "cts(cbc(aes))",
+ .cra_driver_name = "n5_cts(cbc(aes))",
+ .cra_priority = PRIO,
+ .cra_flags = CRYPTO_ALG_ASYNC,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
+ .cra_alignmask = 0,
+ .cra_type = &crypto_ablkcipher_type,
+ .cra_module = THIS_MODULE,
+ },
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .setkey = nitrox_aes_setkey,
+ .encrypt = nitrox_aes_encrypt,
+ .decrypt = nitrox_aes_decrypt,
+ .init = nitrox_skcipher_init,
+ .exit = nitrox_skcipher_exit,
+}, {
+ .base = {
+ .cra_name = "cbc(des3_ede)",
+ .cra_driver_name = "n5_cbc(des3_ede)",
+ .cra_priority = PRIO,
+ .cra_flags = CRYPTO_ALG_ASYNC,
+ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
+ .cra_alignmask = 0,
+ .cra_module = THIS_MODULE,
+ },
+ .min_keysize = DES3_EDE_KEY_SIZE,
+ .max_keysize = DES3_EDE_KEY_SIZE,
+ .ivsize = DES3_EDE_BLOCK_SIZE,
+ .setkey = nitrox_3des_setkey,
+ .encrypt = nitrox_3des_encrypt,
+ .decrypt = nitrox_3des_decrypt,
+ .init = nitrox_skcipher_init,
+ .exit = nitrox_skcipher_exit,
+}, {
+ .base = {
+ .cra_name = "ecb(des3_ede)",
+ .cra_driver_name = "n5_ecb(des3_ede)",
+ .cra_priority = PRIO,
+ .cra_flags = CRYPTO_ALG_ASYNC,
+ .cra_blocksize = DES3_EDE_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct nitrox_crypto_ctx),
+ .cra_alignmask = 0,
+ .cra_module = THIS_MODULE,
+ },
+ .min_keysize = DES3_EDE_KEY_SIZE,
+ .max_keysize = DES3_EDE_KEY_SIZE,
+ .ivsize = DES3_EDE_BLOCK_SIZE,
+ .setkey = nitrox_3des_setkey,
+ .encrypt = nitrox_3des_encrypt,
+ .decrypt = nitrox_3des_decrypt,
+ .init = nitrox_skcipher_init,
+ .exit = nitrox_skcipher_exit,
+}
+
+};
+
+int nitrox_crypto_register(void)
+{
+ return crypto_register_skciphers(nitrox_skciphers,
+ ARRAY_SIZE(nitrox_skciphers));
+}
+
+void nitrox_crypto_unregister(void)
+{
+ crypto_unregister_skciphers(nitrox_skciphers,
+ ARRAY_SIZE(nitrox_skciphers));
+}
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_common.h b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_common.h
new file mode 100644
index 0000000..312f728
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_common.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __NITROX_COMMON_H
+#define __NITROX_COMMON_H
+
+#include "nitrox_dev.h"
+#include "nitrox_req.h"
+
+int nitrox_crypto_register(void);
+void nitrox_crypto_unregister(void);
+void *crypto_alloc_context(struct nitrox_device *ndev);
+void crypto_free_context(void *ctx);
+struct nitrox_device *nitrox_get_first_device(void);
+void nitrox_put_device(struct nitrox_device *ndev);
+
+void nitrox_pf_cleanup_isr(struct nitrox_device *ndev);
+int nitrox_pf_init_isr(struct nitrox_device *ndev);
+
+int nitrox_common_sw_init(struct nitrox_device *ndev);
+void nitrox_common_sw_cleanup(struct nitrox_device *ndev);
+
+void pkt_slc_resp_handler(unsigned long data);
+int nitrox_process_se_request(struct nitrox_device *ndev,
+ struct se_crypto_request *req,
+ completion_t cb,
+ struct skcipher_request *skreq);
+void backlog_qflush_work(struct work_struct *work);
+
+void nitrox_config_emu_unit(struct nitrox_device *ndev);
+void nitrox_config_pkt_input_rings(struct nitrox_device *ndev);
+void nitrox_config_pkt_solicit_ports(struct nitrox_device *ndev);
+void nitrox_config_vfmode(struct nitrox_device *ndev, int mode);
+void nitrox_config_nps_unit(struct nitrox_device *ndev);
+void nitrox_config_pom_unit(struct nitrox_device *ndev);
+void nitrox_config_rand_unit(struct nitrox_device *ndev);
+void nitrox_config_efl_unit(struct nitrox_device *ndev);
+void nitrox_config_bmi_unit(struct nitrox_device *ndev);
+void nitrox_config_bmo_unit(struct nitrox_device *ndev);
+void nitrox_config_lbc_unit(struct nitrox_device *ndev);
+void invalidate_lbc(struct nitrox_device *ndev);
+void enable_pkt_input_ring(struct nitrox_device *ndev, int ring);
+void enable_pkt_solicit_port(struct nitrox_device *ndev, int port);
+
+#endif /* __NITROX_COMMON_H */
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_csr.h b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_csr.h
new file mode 100644
index 0000000..9dcb7fd
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_csr.h
@@ -0,0 +1,1085 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __NITROX_CSR_H
+#define __NITROX_CSR_H
+
+#include <asm/byteorder.h>
+#include <linux/types.h>
+
+/* EMU clusters */
+#define NR_CLUSTERS 4
+#define AE_CORES_PER_CLUSTER 20
+#define SE_CORES_PER_CLUSTER 16
+
+/* BIST registers */
+#define EMU_BIST_STATUSX(_i) (0x1402700 + ((_i) * 0x40000))
+#define UCD_BIST_STATUS 0x12C0070
+#define NPS_CORE_BIST_REG 0x10000E8
+#define NPS_CORE_NPC_BIST_REG 0x1000128
+#define NPS_PKT_SLC_BIST_REG 0x1040088
+#define NPS_PKT_IN_BIST_REG 0x1040100
+#define POM_BIST_REG 0x11C0100
+#define BMI_BIST_REG 0x1140080
+#define EFL_CORE_BIST_REGX(_i) (0x1240100 + ((_i) * 0x400))
+#define EFL_TOP_BIST_STAT 0x1241090
+#define BMO_BIST_REG 0x1180080
+#define LBC_BIST_STATUS 0x1200020
+#define PEM_BIST_STATUSX(_i) (0x1080468 | ((_i) << 18))
+
+/* EMU registers */
+#define EMU_SE_ENABLEX(_i) (0x1400000 + ((_i) * 0x40000))
+#define EMU_AE_ENABLEX(_i) (0x1400008 + ((_i) * 0x40000))
+#define EMU_WD_INT_ENA_W1SX(_i) (0x1402318 + ((_i) * 0x40000))
+#define EMU_GE_INT_ENA_W1SX(_i) (0x1402518 + ((_i) * 0x40000))
+#define EMU_FUSE_MAPX(_i) (0x1402708 + ((_i) * 0x40000))
+
+/* UCD registers */
+#define UCD_UCODE_LOAD_BLOCK_NUM 0x12C0010
+#define UCD_UCODE_LOAD_IDX_DATAX(_i) (0x12C0018 + ((_i) * 0x20))
+#define UCD_SE_EID_UCODE_BLOCK_NUMX(_i) (0x12C0000 + ((_i) * 0x1000))
+
+/* NPS core registers */
+#define NPS_CORE_GBL_VFCFG 0x1000000
+#define NPS_CORE_CONTROL 0x1000008
+#define NPS_CORE_INT_ACTIVE 0x1000080
+#define NPS_CORE_INT 0x10000A0
+#define NPS_CORE_INT_ENA_W1S 0x10000B8
+#define NPS_STATS_PKT_DMA_RD_CNT 0x1000180
+#define NPS_STATS_PKT_DMA_WR_CNT 0x1000190
+
+/* NPS packet registers */
+#define NPS_PKT_INT 0x1040018
+#define NPS_PKT_IN_RERR_HI 0x1040108
+#define NPS_PKT_IN_RERR_HI_ENA_W1S 0x1040120
+#define NPS_PKT_IN_RERR_LO 0x1040128
+#define NPS_PKT_IN_RERR_LO_ENA_W1S 0x1040140
+#define NPS_PKT_IN_ERR_TYPE 0x1040148
+#define NPS_PKT_IN_ERR_TYPE_ENA_W1S 0x1040160
+#define NPS_PKT_IN_INSTR_CTLX(_i) (0x10060 + ((_i) * 0x40000))
+#define NPS_PKT_IN_INSTR_BADDRX(_i) (0x10068 + ((_i) * 0x40000))
+#define NPS_PKT_IN_INSTR_RSIZEX(_i) (0x10070 + ((_i) * 0x40000))
+#define NPS_PKT_IN_DONE_CNTSX(_i) (0x10080 + ((_i) * 0x40000))
+#define NPS_PKT_IN_INSTR_BAOFF_DBELLX(_i) (0x10078 + ((_i) * 0x40000))
+#define NPS_PKT_IN_INT_LEVELSX(_i) (0x10088 + ((_i) * 0x40000))
+
+#define NPS_PKT_SLC_RERR_HI 0x1040208
+#define NPS_PKT_SLC_RERR_HI_ENA_W1S 0x1040220
+#define NPS_PKT_SLC_RERR_LO 0x1040228
+#define NPS_PKT_SLC_RERR_LO_ENA_W1S 0x1040240
+#define NPS_PKT_SLC_ERR_TYPE 0x1040248
+#define NPS_PKT_SLC_ERR_TYPE_ENA_W1S 0x1040260
+#define NPS_PKT_SLC_CTLX(_i) (0x10000 + ((_i) * 0x40000))
+#define NPS_PKT_SLC_CNTSX(_i) (0x10008 + ((_i) * 0x40000))
+#define NPS_PKT_SLC_INT_LEVELSX(_i) (0x10010 + ((_i) * 0x40000))
+
+/* POM registers */
+#define POM_INT_ENA_W1S 0x11C0018
+#define POM_GRP_EXECMASKX(_i) (0x11C1100 | ((_i) * 8))
+#define POM_INT 0x11C0000
+#define POM_PERF_CTL 0x11CC400
+
+/* BMI registers */
+#define BMI_INT 0x1140000
+#define BMI_CTL 0x1140020
+#define BMI_INT_ENA_W1S 0x1140018
+#define BMI_NPS_PKT_CNT 0x1140070
+
+/* EFL registers */
+#define EFL_CORE_INT_ENA_W1SX(_i) (0x1240018 + ((_i) * 0x400))
+#define EFL_CORE_VF_ERR_INT0X(_i) (0x1240050 + ((_i) * 0x400))
+#define EFL_CORE_VF_ERR_INT0_ENA_W1SX(_i) (0x1240068 + ((_i) * 0x400))
+#define EFL_CORE_VF_ERR_INT1X(_i) (0x1240070 + ((_i) * 0x400))
+#define EFL_CORE_VF_ERR_INT1_ENA_W1SX(_i) (0x1240088 + ((_i) * 0x400))
+#define EFL_CORE_SE_ERR_INTX(_i) (0x12400A0 + ((_i) * 0x400))
+#define EFL_RNM_CTL_STATUS 0x1241800
+#define EFL_CORE_INTX(_i) (0x1240000 + ((_i) * 0x400))
+
+/* BMO registers */
+#define BMO_CTL2 0x1180028
+#define BMO_NPS_SLC_PKT_CNT 0x1180078
+
+/* LBC registers */
+#define LBC_INT 0x1200000
+#define LBC_INVAL_CTL 0x1201010
+#define LBC_PLM_VF1_64_INT 0x1202008
+#define LBC_INVAL_STATUS 0x1202010
+#define LBC_INT_ENA_W1S 0x1203000
+#define LBC_PLM_VF1_64_INT_ENA_W1S 0x1205008
+#define LBC_PLM_VF65_128_INT 0x1206008
+#define LBC_ELM_VF1_64_INT 0x1208000
+#define LBC_PLM_VF65_128_INT_ENA_W1S 0x1209008
+#define LBC_ELM_VF1_64_INT_ENA_W1S 0x120B000
+#define LBC_ELM_VF65_128_INT 0x120C000
+#define LBC_ELM_VF65_128_INT_ENA_W1S 0x120F000
+
+/* PEM registers */
+#define PEM0_INT 0x1080428
+
+/**
+ * struct emu_fuse_map - EMU Fuse Map Registers
+ * @ae_fuse: Fuse settings for AE 19..0
+ * @se_fuse: Fuse settings for SE 15..0
+ *
+ * A set bit indicates the unit is fuse disabled.
+ */
+union emu_fuse_map {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 valid : 1;
+ u64 raz_52_62 : 11;
+ u64 ae_fuse : 20;
+ u64 raz_16_31 : 16;
+ u64 se_fuse : 16;
+#else
+ u64 se_fuse : 16;
+ u64 raz_16_31 : 16;
+ u64 ae_fuse : 20;
+ u64 raz_52_62 : 11;
+ u64 valid : 1;
+#endif
+ } s;
+};
+
+/**
+ * struct emu_se_enable - Symmetric Engine Enable Registers
+ * @enable: Individual enables for each of the clusters
+ * 16 symmetric engines.
+ */
+union emu_se_enable {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 raz : 48;
+ u64 enable : 16;
+#else
+ u64 enable : 16;
+ u64 raz : 48;
+#endif
+ } s;
+};
+
+/**
+ * struct emu_ae_enable - EMU Asymmetric engines.
+ * @enable: Individual enables for each of the cluster's
+ * 20 Asymmetric Engines.
+ */
+union emu_ae_enable {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 raz : 44;
+ u64 enable : 20;
+#else
+ u64 enable : 20;
+ u64 raz : 44;
+#endif
+ } s;
+};
+
+/**
+ * struct emu_wd_int_ena_w1s - EMU Interrupt Enable Registers
+ * @ae_wd: Reads or sets enable for EMU(0..3)_WD_INT[AE_WD]
+ * @se_wd: Reads or sets enable for EMU(0..3)_WD_INT[SE_WD]
+ */
+union emu_wd_int_ena_w1s {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 raz2 : 12;
+ u64 ae_wd : 20;
+ u64 raz1 : 16;
+ u64 se_wd : 16;
+#else
+ u64 se_wd : 16;
+ u64 raz1 : 16;
+ u64 ae_wd : 20;
+ u64 raz2 : 12;
+#endif
+ } s;
+};
+
+/**
+ * struct emu_ge_int_ena_w1s - EMU Interrupt Enable set registers
+ * @ae_ge: Reads or sets enable for EMU(0..3)_GE_INT[AE_GE]
+ * @se_ge: Reads or sets enable for EMU(0..3)_GE_INT[SE_GE]
+ */
+union emu_ge_int_ena_w1s {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 raz_52_63 : 12;
+ u64 ae_ge : 20;
+ u64 raz_16_31: 16;
+ u64 se_ge : 16;
+#else
+ u64 se_ge : 16;
+ u64 raz_16_31: 16;
+ u64 ae_ge : 20;
+ u64 raz_52_63 : 12;
+#endif
+ } s;
+};
+
+/**
+ * struct nps_pkt_slc_ctl - Solicited Packet Out Control Registers
+ * @rh: Indicates whether to remove or include the response header
+ * 1 = Include, 0 = Remove
+ * @z: If set, 8 trailing 0x00 bytes will be added to the end of the
+ * outgoing packet.
+ * @enb: Enable for this port.
+ */
+union nps_pkt_slc_ctl {
+ u64 value;
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 raz : 61;
+ u64 rh : 1;
+ u64 z : 1;
+ u64 enb : 1;
+#else
+ u64 enb : 1;
+ u64 z : 1;
+ u64 rh : 1;
+ u64 raz : 61;
+#endif
+ } s;
+};
+
+/**
+ * struct nps_pkt_slc_cnts - Solicited Packet Out Count Registers
+ * @slc_int: Returns a 1 when:
+ * NPS_PKT_SLC(i)_CNTS[CNT] > NPS_PKT_SLC(i)_INT_LEVELS[CNT], or
+ * NPS_PKT_SLC(i)_CNTS[TIMER] > NPS_PKT_SLC(i)_INT_LEVELS[TIMET].
+ * To clear the bit, the CNTS register must be written to clear.
+ * @in_int: Returns a 1 when:
+ * NPS_PKT_IN(i)_DONE_CNTS[CNT] > NPS_PKT_IN(i)_INT_LEVELS[CNT].
+ * To clear the bit, the DONE_CNTS register must be written to clear.
+ * @mbox_int: Returns a 1 when:
+ * NPS_PKT_MBOX_PF_VF(i)_INT[INTR] is set. To clear the bit,
+ * write NPS_PKT_MBOX_PF_VF(i)_INT[INTR] with 1.
+ * @timer: Timer, incremented every 2048 coprocessor clock cycles
+ * when [CNT] is not zero. The hardware clears both [TIMER] and
+ * [INT] when [CNT] goes to 0.
+ * @cnt: Packet counter. Hardware adds to [CNT] as it sends packets out.
+ * On a write to this CSR, hardware subtracts the amount written to the
+ * [CNT] field from [CNT].
+ */
+union nps_pkt_slc_cnts {
+ u64 value;
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 slc_int : 1;
+ u64 uns_int : 1;
+ u64 in_int : 1;
+ u64 mbox_int : 1;
+ u64 resend : 1;
+ u64 raz : 5;
+ u64 timer : 22;
+ u64 cnt : 32;
+#else
+ u64 cnt : 32;
+ u64 timer : 22;
+ u64 raz : 5;
+ u64 resend : 1;
+ u64 mbox_int : 1;
+ u64 in_int : 1;
+ u64 uns_int : 1;
+ u64 slc_int : 1;
+#endif
+ } s;
+};
+
+/**
+ * struct nps_pkt_slc_int_levels - Solicited Packet Out Interrupt Levels
+ * Registers.
+ * @bmode: Determines whether NPS_PKT_SLC_CNTS[CNT] is a byte or
+ * packet counter.
+ * @timet: Output port counter time interrupt threshold.
+ * @cnt: Output port counter interrupt threshold.
+ */
+union nps_pkt_slc_int_levels {
+ u64 value;
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 bmode : 1;
+ u64 raz : 9;
+ u64 timet : 22;
+ u64 cnt : 32;
+#else
+ u64 cnt : 32;
+ u64 timet : 22;
+ u64 raz : 9;
+ u64 bmode : 1;
+#endif
+ } s;
+};
+
+/**
+ * struct nps_pkt_inst - NPS Packet Interrupt Register
+ * @in_err: Set when any NPS_PKT_IN_RERR_HI/LO bit and
+ * corresponding NPS_PKT_IN_RERR_*_ENA_* bit are bot set.
+ * @uns_err: Set when any NSP_PKT_UNS_RERR_HI/LO bit and
+ * corresponding NPS_PKT_UNS_RERR_*_ENA_* bit are both set.
+ * @slc_er: Set when any NSP_PKT_SLC_RERR_HI/LO bit and
+ * corresponding NPS_PKT_SLC_RERR_*_ENA_* bit are both set.
+ */
+union nps_pkt_int {
+ u64 value;
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 raz : 54;
+ u64 uns_wto : 1;
+ u64 in_err : 1;
+ u64 uns_err : 1;
+ u64 slc_err : 1;
+ u64 in_dbe : 1;
+ u64 in_sbe : 1;
+ u64 uns_dbe : 1;
+ u64 uns_sbe : 1;
+ u64 slc_dbe : 1;
+ u64 slc_sbe : 1;
+#else
+ u64 slc_sbe : 1;
+ u64 slc_dbe : 1;
+ u64 uns_sbe : 1;
+ u64 uns_dbe : 1;
+ u64 in_sbe : 1;
+ u64 in_dbe : 1;
+ u64 slc_err : 1;
+ u64 uns_err : 1;
+ u64 in_err : 1;
+ u64 uns_wto : 1;
+ u64 raz : 54;
+#endif
+ } s;
+};
+
+/**
+ * struct nps_pkt_in_done_cnts - Input instruction ring counts registers
+ * @slc_cnt: Returns a 1 when:
+ * NPS_PKT_SLC(i)_CNTS[CNT] > NPS_PKT_SLC(i)_INT_LEVELS[CNT], or
+ * NPS_PKT_SLC(i)_CNTS[TIMER] > NPS_PKT_SCL(i)_INT_LEVELS[TIMET]
+ * To clear the bit, the CNTS register must be
+ * written to clear the underlying condition
+ * @uns_int: Return a 1 when:
+ * NPS_PKT_UNS(i)_CNTS[CNT] > NPS_PKT_UNS(i)_INT_LEVELS[CNT], or
+ * NPS_PKT_UNS(i)_CNTS[TIMER] > NPS_PKT_UNS(i)_INT_LEVELS[TIMET]
+ * To clear the bit, the CNTS register must be
+ * written to clear the underlying condition
+ * @in_int: Returns a 1 when:
+ * NPS_PKT_IN(i)_DONE_CNTS[CNT] > NPS_PKT_IN(i)_INT_LEVELS[CNT]
+ * To clear the bit, the DONE_CNTS register
+ * must be written to clear the underlying condition
+ * @mbox_int: Returns a 1 when:
+ * NPS_PKT_MBOX_PF_VF(i)_INT[INTR] is set.
+ * To clear the bit, write NPS_PKT_MBOX_PF_VF(i)_INT[INTR]
+ * with 1.
+ * @resend: A write of 1 will resend an MSI-X interrupt message if any
+ * of the following conditions are true for this ring "i".
+ * NPS_PKT_SLC(i)_CNTS[CNT] > NPS_PKT_SLC(i)_INT_LEVELS[CNT]
+ * NPS_PKT_SLC(i)_CNTS[TIMER] > NPS_PKT_SLC(i)_INT_LEVELS[TIMET]
+ * NPS_PKT_UNS(i)_CNTS[CNT] > NPS_PKT_UNS(i)_INT_LEVELS[CNT]
+ * NPS_PKT_UNS(i)_CNTS[TIMER] > NPS_PKT_UNS(i)_INT_LEVELS[TIMET]
+ * NPS_PKT_IN(i)_DONE_CNTS[CNT] > NPS_PKT_IN(i)_INT_LEVELS[CNT]
+ * NPS_PKT_MBOX_PF_VF(i)_INT[INTR] is set
+ * @cnt: Packet counter. Hardware adds to [CNT] as it reads
+ * packets. On a write to this CSR, hardware substracts the
+ * amount written to the [CNT] field from [CNT], which will
+ * clear PKT_IN(i)_INT_STATUS[INTR] if [CNT] becomes <=
+ * NPS_PKT_IN(i)_INT_LEVELS[CNT]. This register should be
+ * cleared before enabling a ring by reading the current
+ * value and writing it back.
+ */
+union nps_pkt_in_done_cnts {
+ u64 value;
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 slc_int : 1;
+ u64 uns_int : 1;
+ u64 in_int : 1;
+ u64 mbox_int : 1;
+ u64 resend : 1;
+ u64 raz : 27;
+ u64 cnt : 32;
+#else
+ u64 cnt : 32;
+ u64 raz : 27;
+ u64 resend : 1;
+ u64 mbox_int : 1;
+ u64 in_int : 1;
+ u64 uns_int : 1;
+ u64 slc_int : 1;
+#endif
+ } s;
+};
+
+/**
+ * struct nps_pkt_in_instr_ctl - Input Instruction Ring Control Registers.
+ * @is64b: If 1, the ring uses 64-byte instructions. If 0, the
+ * ring uses 32-byte instructions.
+ * @enb: Enable for the input ring.
+ */
+union nps_pkt_in_instr_ctl {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 raz : 62;
+ u64 is64b : 1;
+ u64 enb : 1;
+#else
+ u64 enb : 1;
+ u64 is64b : 1;
+ u64 raz : 62;
+#endif
+ } s;
+};
+
+/**
+ * struct nps_pkt_in_instr_rsize - Input instruction ring size registers
+ * @rsize: Ring size (number of instructions)
+ */
+union nps_pkt_in_instr_rsize {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 raz : 32;
+ u64 rsize : 32;
+#else
+ u64 rsize : 32;
+ u64 raz : 32;
+#endif
+ } s;
+};
+
+/**
+ * struct nps_pkt_in_instr_baoff_dbell - Input instruction ring
+ * base address offset and doorbell registers
+ * @aoff: Address offset. The offset from the NPS_PKT_IN_INSTR_BADDR
+ * where the next pointer is read.
+ * @dbell: Pointer list doorbell count. Write operations to this field
+ * increments the present value here. Read operations return the
+ * present value.
+ */
+union nps_pkt_in_instr_baoff_dbell {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 aoff : 32;
+ u64 dbell : 32;
+#else
+ u64 dbell : 32;
+ u64 aoff : 32;
+#endif
+ } s;
+};
+
+/**
+ * struct nps_core_int_ena_w1s - NPS core interrupt enable set register
+ * @host_nps_wr_err: Reads or sets enable for
+ * NPS_CORE_INT[HOST_NPS_WR_ERR].
+ * @npco_dma_malform: Reads or sets enable for
+ * NPS_CORE_INT[NPCO_DMA_MALFORM].
+ * @exec_wr_timeout: Reads or sets enable for
+ * NPS_CORE_INT[EXEC_WR_TIMEOUT].
+ * @host_wr_timeout: Reads or sets enable for
+ * NPS_CORE_INT[HOST_WR_TIMEOUT].
+ * @host_wr_err: Reads or sets enable for
+ * NPS_CORE_INT[HOST_WR_ERR]
+ */
+union nps_core_int_ena_w1s {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 raz4 : 55;
+ u64 host_nps_wr_err : 1;
+ u64 npco_dma_malform : 1;
+ u64 exec_wr_timeout : 1;
+ u64 host_wr_timeout : 1;
+ u64 host_wr_err : 1;
+ u64 raz3 : 1;
+ u64 raz2 : 1;
+ u64 raz1 : 1;
+ u64 raz0 : 1;
+#else
+ u64 raz0 : 1;
+ u64 raz1 : 1;
+ u64 raz2 : 1;
+ u64 raz3 : 1;
+ u64 host_wr_err : 1;
+ u64 host_wr_timeout : 1;
+ u64 exec_wr_timeout : 1;
+ u64 npco_dma_malform : 1;
+ u64 host_nps_wr_err : 1;
+ u64 raz4 : 55;
+#endif
+ } s;
+};
+
+/**
+ * struct nps_core_gbl_vfcfg - Global VF Configuration Register.
+ * @ilk_disable: When set, this bit indicates that the ILK interface has
+ * been disabled.
+ * @obaf: BMO allocation control
+ * 0 = allocate per queue
+ * 1 = allocate per VF
+ * @ibaf: BMI allocation control
+ * 0 = allocate per queue
+ * 1 = allocate per VF
+ * @zaf: ZIP allocation control
+ * 0 = allocate per queue
+ * 1 = allocate per VF
+ * @aeaf: AE allocation control
+ * 0 = allocate per queue
+ * 1 = allocate per VF
+ * @seaf: SE allocation control
+ * 0 = allocation per queue
+ * 1 = allocate per VF
+ * @cfg: VF/PF mode.
+ */
+union nps_core_gbl_vfcfg {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 raz :55;
+ u64 ilk_disable :1;
+ u64 obaf :1;
+ u64 ibaf :1;
+ u64 zaf :1;
+ u64 aeaf :1;
+ u64 seaf :1;
+ u64 cfg :3;
+#else
+ u64 cfg :3;
+ u64 seaf :1;
+ u64 aeaf :1;
+ u64 zaf :1;
+ u64 ibaf :1;
+ u64 obaf :1;
+ u64 ilk_disable :1;
+ u64 raz :55;
+#endif
+ } s;
+};
+
+/**
+ * struct nps_core_int_active - NPS Core Interrupt Active Register
+ * @resend: Resend MSI-X interrupt if needs to handle interrupts
+ * Sofware can set this bit and then exit the ISR.
+ * @ocla: Set when any OCLA(0)_INT and corresponding OCLA(0_INT_ENA_W1C
+ * bit are set
+ * @mbox: Set when any NPS_PKT_MBOX_INT_LO/HI and corresponding
+ * NPS_PKT_MBOX_INT_LO_ENA_W1C/HI_ENA_W1C bits are set
+ * @emu: bit i is set in [EMU] when any EMU(i)_INT bit is set
+ * @bmo: Set when any BMO_INT bit is set
+ * @bmi: Set when any BMI_INT bit is set or when any non-RO
+ * BMI_INT and corresponding BMI_INT_ENA_W1C bits are both set
+ * @aqm: Set when any AQM_INT bit is set
+ * @zqm: Set when any ZQM_INT bit is set
+ * @efl: Set when any EFL_INT RO bit is set or when any non-RO EFL_INT
+ * and corresponding EFL_INT_ENA_W1C bits are both set
+ * @ilk: Set when any ILK_INT bit is set
+ * @lbc: Set when any LBC_INT RO bit is set or when any non-RO LBC_INT
+ * and corresponding LBC_INT_ENA_W1C bits are bot set
+ * @pem: Set when any PEM(0)_INT RO bit is set or when any non-RO
+ * PEM(0)_INT and corresponding PEM(0)_INT_ENA_W1C bit are both set
+ * @ucd: Set when any UCD_INT bit is set
+ * @zctl: Set when any ZIP_INT RO bit is set or when any non-RO ZIP_INT
+ * and corresponding ZIP_INT_ENA_W1C bits are both set
+ * @lbm: Set when any LBM_INT bit is set
+ * @nps_pkt: Set when any NPS_PKT_INT bit is set
+ * @nps_core: Set when any NPS_CORE_INT RO bit is set or when non-RO
+ * NPS_CORE_INT and corresponding NSP_CORE_INT_ENA_W1C bits are both set
+ */
+union nps_core_int_active {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 resend : 1;
+ u64 raz : 43;
+ u64 ocla : 1;
+ u64 mbox : 1;
+ u64 emu : 4;
+ u64 bmo : 1;
+ u64 bmi : 1;
+ u64 aqm : 1;
+ u64 zqm : 1;
+ u64 efl : 1;
+ u64 ilk : 1;
+ u64 lbc : 1;
+ u64 pem : 1;
+ u64 pom : 1;
+ u64 ucd : 1;
+ u64 zctl : 1;
+ u64 lbm : 1;
+ u64 nps_pkt : 1;
+ u64 nps_core : 1;
+#else
+ u64 nps_core : 1;
+ u64 nps_pkt : 1;
+ u64 lbm : 1;
+ u64 zctl: 1;
+ u64 ucd : 1;
+ u64 pom : 1;
+ u64 pem : 1;
+ u64 lbc : 1;
+ u64 ilk : 1;
+ u64 efl : 1;
+ u64 zqm : 1;
+ u64 aqm : 1;
+ u64 bmi : 1;
+ u64 bmo : 1;
+ u64 emu : 4;
+ u64 mbox : 1;
+ u64 ocla : 1;
+ u64 raz : 43;
+ u64 resend : 1;
+#endif
+ } s;
+};
+
+/**
+ * struct efl_core_int - EFL Interrupt Registers
+ * @epci_decode_err: EPCI decoded a transacation that was unknown
+ * This error should only occurred when there is a micrcode/SE error
+ * and should be considered fatal
+ * @ae_err: An AE uncorrectable error occurred.
+ * See EFL_CORE(0..3)_AE_ERR_INT
+ * @se_err: An SE uncorrectable error occurred.
+ * See EFL_CORE(0..3)_SE_ERR_INT
+ * @dbe: Double-bit error occurred in EFL
+ * @sbe: Single-bit error occurred in EFL
+ * @d_left: Asserted when new POM-Header-BMI-data is
+ * being sent to an Exec, and that Exec has Not read all BMI
+ * data associated with the previous POM header
+ * @len_ovr: Asserted when an Exec-Read is issued that is more than
+ * 14 greater in length that the BMI data left to be read
+ */
+union efl_core_int {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 raz : 57;
+ u64 epci_decode_err : 1;
+ u64 ae_err : 1;
+ u64 se_err : 1;
+ u64 dbe : 1;
+ u64 sbe : 1;
+ u64 d_left : 1;
+ u64 len_ovr : 1;
+#else
+ u64 len_ovr : 1;
+ u64 d_left : 1;
+ u64 sbe : 1;
+ u64 dbe : 1;
+ u64 se_err : 1;
+ u64 ae_err : 1;
+ u64 epci_decode_err : 1;
+ u64 raz : 57;
+#endif
+ } s;
+};
+
+/**
+ * struct efl_core_int_ena_w1s - EFL core interrupt enable set register
+ * @epci_decode_err: Reads or sets enable for
+ * EFL_CORE(0..3)_INT[EPCI_DECODE_ERR].
+ * @d_left: Reads or sets enable for
+ * EFL_CORE(0..3)_INT[D_LEFT].
+ * @len_ovr: Reads or sets enable for
+ * EFL_CORE(0..3)_INT[LEN_OVR].
+ */
+union efl_core_int_ena_w1s {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 raz_7_63 : 57;
+ u64 epci_decode_err : 1;
+ u64 raz_2_5 : 4;
+ u64 d_left : 1;
+ u64 len_ovr : 1;
+#else
+ u64 len_ovr : 1;
+ u64 d_left : 1;
+ u64 raz_2_5 : 4;
+ u64 epci_decode_err : 1;
+ u64 raz_7_63 : 57;
+#endif
+ } s;
+};
+
+/**
+ * struct efl_rnm_ctl_status - RNM Control and Status Register
+ * @ent_sel: Select input to RNM FIFO
+ * @exp_ent: Exported entropy enable for random number generator
+ * @rng_rst: Reset to RNG. Setting this bit to 1 cancels the generation
+ * of the current random number.
+ * @rnm_rst: Reset the RNM. Setting this bit to 1 clears all sorted numbers
+ * in the random number memory.
+ * @rng_en: Enabled the output of the RNG.
+ * @ent_en: Entropy enable for random number generator.
+ */
+union efl_rnm_ctl_status {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 raz_9_63 : 55;
+ u64 ent_sel : 4;
+ u64 exp_ent : 1;
+ u64 rng_rst : 1;
+ u64 rnm_rst : 1;
+ u64 rng_en : 1;
+ u64 ent_en : 1;
+#else
+ u64 ent_en : 1;
+ u64 rng_en : 1;
+ u64 rnm_rst : 1;
+ u64 rng_rst : 1;
+ u64 exp_ent : 1;
+ u64 ent_sel : 4;
+ u64 raz_9_63 : 55;
+#endif
+ } s;
+};
+
+/**
+ * struct bmi_ctl - BMI control register
+ * @ilk_hdrq_thrsh: Maximum number of header queue locations
+ * that ILK packets may consume. When the threshold is
+ * exceeded ILK_XOFF is sent to the BMI_X2P_ARB.
+ * @nps_hdrq_thrsh: Maximum number of header queue locations
+ * that NPS packets may consume. When the threshold is
+ * exceeded NPS_XOFF is sent to the BMI_X2P_ARB.
+ * @totl_hdrq_thrsh: Maximum number of header queue locations
+ * that the sum of ILK and NPS packets may consume.
+ * @ilk_free_thrsh: Maximum number of buffers that ILK packet
+ * flows may consume before ILK_XOFF is sent to the BMI_X2P_ARB.
+ * @nps_free_thrsh: Maximum number of buffers that NPS packet
+ * flows may consume before NPS XOFF is sent to the BMI_X2p_ARB.
+ * @totl_free_thrsh: Maximum number of buffers that bot ILK and NPS
+ * packet flows may consume before both NPS_XOFF and ILK_XOFF
+ * are asserted to the BMI_X2P_ARB.
+ * @max_pkt_len: Maximum packet length, integral number of 256B
+ * buffers.
+ */
+union bmi_ctl {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 raz_56_63 : 8;
+ u64 ilk_hdrq_thrsh : 8;
+ u64 nps_hdrq_thrsh : 8;
+ u64 totl_hdrq_thrsh : 8;
+ u64 ilk_free_thrsh : 8;
+ u64 nps_free_thrsh : 8;
+ u64 totl_free_thrsh : 8;
+ u64 max_pkt_len : 8;
+#else
+ u64 max_pkt_len : 8;
+ u64 totl_free_thrsh : 8;
+ u64 nps_free_thrsh : 8;
+ u64 ilk_free_thrsh : 8;
+ u64 totl_hdrq_thrsh : 8;
+ u64 nps_hdrq_thrsh : 8;
+ u64 ilk_hdrq_thrsh : 8;
+ u64 raz_56_63 : 8;
+#endif
+ } s;
+};
+
+/**
+ * struct bmi_int_ena_w1s - BMI interrupt enable set register
+ * @ilk_req_oflw: Reads or sets enable for
+ * BMI_INT[ILK_REQ_OFLW].
+ * @nps_req_oflw: Reads or sets enable for
+ * BMI_INT[NPS_REQ_OFLW].
+ * @fpf_undrrn: Reads or sets enable for
+ * BMI_INT[FPF_UNDRRN].
+ * @eop_err_ilk: Reads or sets enable for
+ * BMI_INT[EOP_ERR_ILK].
+ * @eop_err_nps: Reads or sets enable for
+ * BMI_INT[EOP_ERR_NPS].
+ * @sop_err_ilk: Reads or sets enable for
+ * BMI_INT[SOP_ERR_ILK].
+ * @sop_err_nps: Reads or sets enable for
+ * BMI_INT[SOP_ERR_NPS].
+ * @pkt_rcv_err_ilk: Reads or sets enable for
+ * BMI_INT[PKT_RCV_ERR_ILK].
+ * @pkt_rcv_err_nps: Reads or sets enable for
+ * BMI_INT[PKT_RCV_ERR_NPS].
+ * @max_len_err_ilk: Reads or sets enable for
+ * BMI_INT[MAX_LEN_ERR_ILK].
+ * @max_len_err_nps: Reads or sets enable for
+ * BMI_INT[MAX_LEN_ERR_NPS].
+ */
+union bmi_int_ena_w1s {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 raz_13_63 : 51;
+ u64 ilk_req_oflw : 1;
+ u64 nps_req_oflw : 1;
+ u64 raz_10 : 1;
+ u64 raz_9 : 1;
+ u64 fpf_undrrn : 1;
+ u64 eop_err_ilk : 1;
+ u64 eop_err_nps : 1;
+ u64 sop_err_ilk : 1;
+ u64 sop_err_nps : 1;
+ u64 pkt_rcv_err_ilk : 1;
+ u64 pkt_rcv_err_nps : 1;
+ u64 max_len_err_ilk : 1;
+ u64 max_len_err_nps : 1;
+#else
+ u64 max_len_err_nps : 1;
+ u64 max_len_err_ilk : 1;
+ u64 pkt_rcv_err_nps : 1;
+ u64 pkt_rcv_err_ilk : 1;
+ u64 sop_err_nps : 1;
+ u64 sop_err_ilk : 1;
+ u64 eop_err_nps : 1;
+ u64 eop_err_ilk : 1;
+ u64 fpf_undrrn : 1;
+ u64 raz_9 : 1;
+ u64 raz_10 : 1;
+ u64 nps_req_oflw : 1;
+ u64 ilk_req_oflw : 1;
+ u64 raz_13_63 : 51;
+#endif
+ } s;
+};
+
+/**
+ * struct bmo_ctl2 - BMO Control2 Register
+ * @arb_sel: Determines P2X Arbitration
+ * @ilk_buf_thrsh: Maximum number of buffers that the
+ * ILK packet flows may consume before ILK XOFF is
+ * asserted to the POM.
+ * @nps_slc_buf_thrsh: Maximum number of buffers that the
+ * NPS_SLC packet flow may consume before NPS_SLC XOFF is
+ * asserted to the POM.
+ * @nps_uns_buf_thrsh: Maximum number of buffers that the
+ * NPS_UNS packet flow may consume before NPS_UNS XOFF is
+ * asserted to the POM.
+ * @totl_buf_thrsh: Maximum number of buffers that ILK, NPS_UNS and
+ * NPS_SLC packet flows may consume before NPS_UNS XOFF, NSP_SLC and
+ * ILK_XOFF are all asserted POM.
+ */
+union bmo_ctl2 {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 arb_sel : 1;
+ u64 raz_32_62 : 31;
+ u64 ilk_buf_thrsh : 8;
+ u64 nps_slc_buf_thrsh : 8;
+ u64 nps_uns_buf_thrsh : 8;
+ u64 totl_buf_thrsh : 8;
+#else
+ u64 totl_buf_thrsh : 8;
+ u64 nps_uns_buf_thrsh : 8;
+ u64 nps_slc_buf_thrsh : 8;
+ u64 ilk_buf_thrsh : 8;
+ u64 raz_32_62 : 31;
+ u64 arb_sel : 1;
+#endif
+ } s;
+};
+
+/**
+ * struct pom_int_ena_w1s - POM interrupt enable set register
+ * @illegal_intf: Reads or sets enable for POM_INT[ILLEGAL_INTF].
+ * @illegal_dport: Reads or sets enable for POM_INT[ILLEGAL_DPORT].
+ */
+union pom_int_ena_w1s {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 raz2 : 60;
+ u64 illegal_intf : 1;
+ u64 illegal_dport : 1;
+ u64 raz1 : 1;
+ u64 raz0 : 1;
+#else
+ u64 raz0 : 1;
+ u64 raz1 : 1;
+ u64 illegal_dport : 1;
+ u64 illegal_intf : 1;
+ u64 raz2 : 60;
+#endif
+ } s;
+};
+
+/**
+ * struct lbc_inval_ctl - LBC invalidation control register
+ * @wait_timer: Wait timer for wait state. [WAIT_TIMER] must
+ * always be written with its reset value.
+ * @cam_inval_start: Software should write [CAM_INVAL_START]=1
+ * to initiate an LBC cache invalidation. After this, software
+ * should read LBC_INVAL_STATUS until LBC_INVAL_STATUS[DONE] is set.
+ * LBC hardware clears [CAVM_INVAL_START] before software can
+ * observed LBC_INVAL_STATUS[DONE] to be set
+ */
+union lbc_inval_ctl {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 raz2 : 48;
+ u64 wait_timer : 8;
+ u64 raz1 : 6;
+ u64 cam_inval_start : 1;
+ u64 raz0 : 1;
+#else
+ u64 raz0 : 1;
+ u64 cam_inval_start : 1;
+ u64 raz1 : 6;
+ u64 wait_timer : 8;
+ u64 raz2 : 48;
+#endif
+ } s;
+};
+
+/**
+ * struct lbc_int_ena_w1s - LBC interrupt enable set register
+ * @cam_hard_err: Reads or sets enable for LBC_INT[CAM_HARD_ERR].
+ * @cam_inval_abort: Reads or sets enable for LBC_INT[CAM_INVAL_ABORT].
+ * @over_fetch_err: Reads or sets enable for LBC_INT[OVER_FETCH_ERR].
+ * @cache_line_to_err: Reads or sets enable for
+ * LBC_INT[CACHE_LINE_TO_ERR].
+ * @cam_soft_err: Reads or sets enable for
+ * LBC_INT[CAM_SOFT_ERR].
+ * @dma_rd_err: Reads or sets enable for
+ * LBC_INT[DMA_RD_ERR].
+ */
+union lbc_int_ena_w1s {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 raz_10_63 : 54;
+ u64 cam_hard_err : 1;
+ u64 cam_inval_abort : 1;
+ u64 over_fetch_err : 1;
+ u64 cache_line_to_err : 1;
+ u64 raz_2_5 : 4;
+ u64 cam_soft_err : 1;
+ u64 dma_rd_err : 1;
+#else
+ u64 dma_rd_err : 1;
+ u64 cam_soft_err : 1;
+ u64 raz_2_5 : 4;
+ u64 cache_line_to_err : 1;
+ u64 over_fetch_err : 1;
+ u64 cam_inval_abort : 1;
+ u64 cam_hard_err : 1;
+ u64 raz_10_63 : 54;
+#endif
+ } s;
+};
+
+/**
+ * struct lbc_int - LBC interrupt summary register
+ * @cam_hard_err: indicates a fatal hardware error.
+ * It requires system reset.
+ * When [CAM_HARD_ERR] is set, LBC stops logging any new information in
+ * LBC_POM_MISS_INFO_LOG,
+ * LBC_POM_MISS_ADDR_LOG,
+ * LBC_EFL_MISS_INFO_LOG, and
+ * LBC_EFL_MISS_ADDR_LOG.
+ * Software should sample them.
+ * @cam_inval_abort: indicates a fatal hardware error.
+ * System reset is required.
+ * @over_fetch_err: indicates a fatal hardware error
+ * System reset is required
+ * @cache_line_to_err: is a debug feature.
+ * This timeout interrupt bit tells the software that
+ * a cacheline in LBC has non-zero usage and the context
+ * has not been used for greater than the
+ * LBC_TO_CNT[TO_CNT] time interval.
+ * @sbe: Memory SBE error. This is recoverable via ECC.
+ * See LBC_ECC_INT for more details.
+ * @dbe: Memory DBE error. This is a fatal and requires a
+ * system reset.
+ * @pref_dat_len_mismatch_err: Summary bit for context length
+ * mismatch errors.
+ * @rd_dat_len_mismatch_err: Summary bit for SE read data length
+ * greater than data prefect length errors.
+ * @cam_soft_err: is recoverable. Software must complete a
+ * LBC_INVAL_CTL[CAM_INVAL_START] invalidation sequence and
+ * then clear [CAM_SOFT_ERR].
+ * @dma_rd_err: A context prefect read of host memory returned with
+ * a read error.
+ */
+union lbc_int {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 raz_10_63 : 54;
+ u64 cam_hard_err : 1;
+ u64 cam_inval_abort : 1;
+ u64 over_fetch_err : 1;
+ u64 cache_line_to_err : 1;
+ u64 sbe : 1;
+ u64 dbe : 1;
+ u64 pref_dat_len_mismatch_err : 1;
+ u64 rd_dat_len_mismatch_err : 1;
+ u64 cam_soft_err : 1;
+ u64 dma_rd_err : 1;
+#else
+ u64 dma_rd_err : 1;
+ u64 cam_soft_err : 1;
+ u64 rd_dat_len_mismatch_err : 1;
+ u64 pref_dat_len_mismatch_err : 1;
+ u64 dbe : 1;
+ u64 sbe : 1;
+ u64 cache_line_to_err : 1;
+ u64 over_fetch_err : 1;
+ u64 cam_inval_abort : 1;
+ u64 cam_hard_err : 1;
+ u64 raz_10_63 : 54;
+#endif
+ } s;
+};
+
+/**
+ * struct lbc_inval_status: LBC Invalidation status register
+ * @cam_clean_entry_complete_cnt: The number of entries that are
+ * cleaned up successfully.
+ * @cam_clean_entry_cnt: The number of entries that have the CAM
+ * inval command issued.
+ * @cam_inval_state: cam invalidation FSM state
+ * @cam_inval_abort: cam invalidation abort
+ * @cam_rst_rdy: lbc_cam reset ready
+ * @done: LBC clears [DONE] when
+ * LBC_INVAL_CTL[CAM_INVAL_START] is written with a one,
+ * and sets [DONE] when it completes the invalidation
+ * sequence.
+ */
+union lbc_inval_status {
+ u64 value;
+ struct {
+#if (defined(__BIG_ENDIAN_BITFIELD))
+ u64 raz3 : 23;
+ u64 cam_clean_entry_complete_cnt : 9;
+ u64 raz2 : 7;
+ u64 cam_clean_entry_cnt : 9;
+ u64 raz1 : 5;
+ u64 cam_inval_state : 3;
+ u64 raz0 : 5;
+ u64 cam_inval_abort : 1;
+ u64 cam_rst_rdy : 1;
+ u64 done : 1;
+#else
+ u64 done : 1;
+ u64 cam_rst_rdy : 1;
+ u64 cam_inval_abort : 1;
+ u64 raz0 : 5;
+ u64 cam_inval_state : 3;
+ u64 raz1 : 5;
+ u64 cam_clean_entry_cnt : 9;
+ u64 raz2 : 7;
+ u64 cam_clean_entry_complete_cnt : 9;
+ u64 raz3 : 23;
+#endif
+ } s;
+};
+
+#endif /* __NITROX_CSR_H */
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_dev.h b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_dev.h
new file mode 100644
index 0000000..af59645
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_dev.h
@@ -0,0 +1,181 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __NITROX_DEV_H
+#define __NITROX_DEV_H
+
+#include <linux/dma-mapping.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+
+#define VERSION_LEN 32
+
+struct nitrox_cmdq {
+ /* command queue lock */
+ spinlock_t cmdq_lock;
+ /* response list lock */
+ spinlock_t response_lock;
+ /* backlog list lock */
+ spinlock_t backlog_lock;
+
+ /* request submitted to chip, in progress */
+ struct list_head response_head;
+ /* hw queue full, hold in backlog list */
+ struct list_head backlog_head;
+
+ /* doorbell address */
+ u8 __iomem *dbell_csr_addr;
+ /* base address of the queue */
+ u8 *head;
+
+ struct nitrox_device *ndev;
+ /* flush pending backlog commands */
+ struct work_struct backlog_qflush;
+
+ /* requests posted waiting for completion */
+ atomic_t pending_count;
+ /* requests in backlog queues */
+ atomic_t backlog_count;
+
+ int write_idx;
+ /* command size 32B/64B */
+ u8 instr_size;
+ u8 qno;
+ u32 qsize;
+
+ /* unaligned addresses */
+ u8 *head_unaligned;
+ dma_addr_t dma_unaligned;
+ /* dma address of the base */
+ dma_addr_t dma;
+};
+
+struct nitrox_hw {
+ /* firmware version */
+ char fw_name[VERSION_LEN];
+
+ u16 vendor_id;
+ u16 device_id;
+ u8 revision_id;
+
+ /* CNN55XX cores */
+ u8 se_cores;
+ u8 ae_cores;
+ u8 zip_cores;
+};
+
+#define MAX_MSIX_VECTOR_NAME 20
+/**
+ * vectors for queues (64 AE, 64 SE and 64 ZIP) and
+ * error condition/mailbox.
+ */
+#define MAX_MSIX_VECTORS 192
+
+struct nitrox_msix {
+ struct msix_entry *entries;
+ char **names;
+ DECLARE_BITMAP(irqs, MAX_MSIX_VECTORS);
+ u32 nr_entries;
+};
+
+struct bh_data {
+ /* slc port completion count address */
+ u8 __iomem *completion_cnt_csr_addr;
+
+ struct nitrox_cmdq *cmdq;
+ struct tasklet_struct resp_handler;
+};
+
+struct nitrox_bh {
+ struct bh_data *slc;
+};
+
+/* NITROX-V driver state */
+#define NITROX_UCODE_LOADED 0
+#define NITROX_READY 1
+
+/* command queue size */
+#define DEFAULT_CMD_QLEN 2048
+/* command timeout in milliseconds */
+#define CMD_TIMEOUT 2000
+
+#define DEV(ndev) ((struct device *)(&(ndev)->pdev->dev))
+#define PF_MODE 0
+
+#define NITROX_CSR_ADDR(ndev, offset) \
+ ((ndev)->bar_addr + (offset))
+
+/**
+ * struct nitrox_device - NITROX Device Information.
+ * @list: pointer to linked list of devices
+ * @bar_addr: iomap address
+ * @pdev: PCI device information
+ * @status: NITROX status
+ * @timeout: Request timeout in jiffies
+ * @refcnt: Device usage count
+ * @idx: device index (0..N)
+ * @node: NUMA node id attached
+ * @qlen: Command queue length
+ * @nr_queues: Number of command queues
+ * @ctx_pool: DMA pool for crypto context
+ * @pkt_cmdqs: SE Command queues
+ * @msix: MSI-X information
+ * @bh: post processing work
+ * @hw: hardware information
+ * @debugfs_dir: debugfs directory
+ */
+struct nitrox_device {
+ struct list_head list;
+
+ u8 __iomem *bar_addr;
+ struct pci_dev *pdev;
+
+ unsigned long status;
+ unsigned long timeout;
+ refcount_t refcnt;
+
+ u8 idx;
+ int node;
+ u16 qlen;
+ u16 nr_queues;
+
+ struct dma_pool *ctx_pool;
+ struct nitrox_cmdq *pkt_cmdqs;
+
+ struct nitrox_msix msix;
+ struct nitrox_bh bh;
+
+ struct nitrox_hw hw;
+#if IS_ENABLED(CONFIG_DEBUG_FS)
+ struct dentry *debugfs_dir;
+#endif
+};
+
+/**
+ * nitrox_read_csr - Read from device register
+ * @ndev: NITROX device
+ * @offset: offset of the register to read
+ *
+ * Returns: value read
+ */
+static inline u64 nitrox_read_csr(struct nitrox_device *ndev, u64 offset)
+{
+ return readq(ndev->bar_addr + offset);
+}
+
+/**
+ * nitrox_write_csr - Write to device register
+ * @ndev: NITROX device
+ * @offset: offset of the register to write
+ * @value: value to write
+ */
+static inline void nitrox_write_csr(struct nitrox_device *ndev, u64 offset,
+ u64 value)
+{
+ writeq(value, (ndev->bar_addr + offset));
+}
+
+static inline int nitrox_ready(struct nitrox_device *ndev)
+{
+ return test_bit(NITROX_READY, &ndev->status);
+}
+
+#endif /* __NITROX_DEV_H */
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_hal.c b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_hal.c
new file mode 100644
index 0000000..bf9900b
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_hal.c
@@ -0,0 +1,402 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/delay.h>
+
+#include "nitrox_dev.h"
+#include "nitrox_csr.h"
+
+/**
+ * emu_enable_cores - Enable EMU cluster cores.
+ * @ndev: N5 device
+ */
+static void emu_enable_cores(struct nitrox_device *ndev)
+{
+ union emu_se_enable emu_se;
+ union emu_ae_enable emu_ae;
+ int i;
+
+ /* AE cores 20 per cluster */
+ emu_ae.value = 0;
+ emu_ae.s.enable = 0xfffff;
+
+ /* SE cores 16 per cluster */
+ emu_se.value = 0;
+ emu_se.s.enable = 0xffff;
+
+ /* enable per cluster cores */
+ for (i = 0; i < NR_CLUSTERS; i++) {
+ nitrox_write_csr(ndev, EMU_AE_ENABLEX(i), emu_ae.value);
+ nitrox_write_csr(ndev, EMU_SE_ENABLEX(i), emu_se.value);
+ }
+}
+
+/**
+ * nitrox_config_emu_unit - configure EMU unit.
+ * @ndev: N5 device
+ */
+void nitrox_config_emu_unit(struct nitrox_device *ndev)
+{
+ union emu_wd_int_ena_w1s emu_wd_int;
+ union emu_ge_int_ena_w1s emu_ge_int;
+ u64 offset;
+ int i;
+
+ /* enable cores */
+ emu_enable_cores(ndev);
+
+ /* enable general error and watch dog interrupts */
+ emu_ge_int.value = 0;
+ emu_ge_int.s.se_ge = 0xffff;
+ emu_ge_int.s.ae_ge = 0xfffff;
+ emu_wd_int.value = 0;
+ emu_wd_int.s.se_wd = 1;
+
+ for (i = 0; i < NR_CLUSTERS; i++) {
+ offset = EMU_WD_INT_ENA_W1SX(i);
+ nitrox_write_csr(ndev, offset, emu_wd_int.value);
+ offset = EMU_GE_INT_ENA_W1SX(i);
+ nitrox_write_csr(ndev, offset, emu_ge_int.value);
+ }
+}
+
+static void reset_pkt_input_ring(struct nitrox_device *ndev, int ring)
+{
+ union nps_pkt_in_instr_ctl pkt_in_ctl;
+ union nps_pkt_in_instr_baoff_dbell pkt_in_dbell;
+ union nps_pkt_in_done_cnts pkt_in_cnts;
+ u64 offset;
+
+ offset = NPS_PKT_IN_INSTR_CTLX(ring);
+ /* disable the ring */
+ pkt_in_ctl.value = nitrox_read_csr(ndev, offset);
+ pkt_in_ctl.s.enb = 0;
+ nitrox_write_csr(ndev, offset, pkt_in_ctl.value);
+ usleep_range(100, 150);
+
+ /* wait to clear [ENB] */
+ do {
+ pkt_in_ctl.value = nitrox_read_csr(ndev, offset);
+ } while (pkt_in_ctl.s.enb);
+
+ /* clear off door bell counts */
+ offset = NPS_PKT_IN_INSTR_BAOFF_DBELLX(ring);
+ pkt_in_dbell.value = 0;
+ pkt_in_dbell.s.dbell = 0xffffffff;
+ nitrox_write_csr(ndev, offset, pkt_in_dbell.value);
+
+ /* clear done counts */
+ offset = NPS_PKT_IN_DONE_CNTSX(ring);
+ pkt_in_cnts.value = nitrox_read_csr(ndev, offset);
+ nitrox_write_csr(ndev, offset, pkt_in_cnts.value);
+ usleep_range(50, 100);
+}
+
+void enable_pkt_input_ring(struct nitrox_device *ndev, int ring)
+{
+ union nps_pkt_in_instr_ctl pkt_in_ctl;
+ u64 offset;
+
+ /* 64-byte instruction size */
+ offset = NPS_PKT_IN_INSTR_CTLX(ring);
+ pkt_in_ctl.value = nitrox_read_csr(ndev, offset);
+ pkt_in_ctl.s.is64b = 1;
+ pkt_in_ctl.s.enb = 1;
+ nitrox_write_csr(ndev, offset, pkt_in_ctl.value);
+
+ /* wait for set [ENB] */
+ do {
+ pkt_in_ctl.value = nitrox_read_csr(ndev, offset);
+ } while (!pkt_in_ctl.s.enb);
+}
+
+/**
+ * nitrox_config_pkt_input_rings - configure Packet Input Rings
+ * @ndev: N5 device
+ */
+void nitrox_config_pkt_input_rings(struct nitrox_device *ndev)
+{
+ int i;
+
+ for (i = 0; i < ndev->nr_queues; i++) {
+ struct nitrox_cmdq *cmdq = &ndev->pkt_cmdqs[i];
+ union nps_pkt_in_instr_rsize pkt_in_rsize;
+ u64 offset;
+
+ reset_pkt_input_ring(ndev, i);
+
+ /* configure ring base address 16-byte aligned,
+ * size and interrupt threshold.
+ */
+ offset = NPS_PKT_IN_INSTR_BADDRX(i);
+ nitrox_write_csr(ndev, NPS_PKT_IN_INSTR_BADDRX(i), cmdq->dma);
+
+ /* configure ring size */
+ offset = NPS_PKT_IN_INSTR_RSIZEX(i);
+ pkt_in_rsize.value = 0;
+ pkt_in_rsize.s.rsize = ndev->qlen;
+ nitrox_write_csr(ndev, offset, pkt_in_rsize.value);
+
+ /* set high threshold for pkt input ring interrupts */
+ offset = NPS_PKT_IN_INT_LEVELSX(i);
+ nitrox_write_csr(ndev, offset, 0xffffffff);
+
+ enable_pkt_input_ring(ndev, i);
+ }
+}
+
+static void reset_pkt_solicit_port(struct nitrox_device *ndev, int port)
+{
+ union nps_pkt_slc_ctl pkt_slc_ctl;
+ union nps_pkt_slc_cnts pkt_slc_cnts;
+ u64 offset;
+
+ /* disable slc port */
+ offset = NPS_PKT_SLC_CTLX(port);
+ pkt_slc_ctl.value = nitrox_read_csr(ndev, offset);
+ pkt_slc_ctl.s.enb = 0;
+ nitrox_write_csr(ndev, offset, pkt_slc_ctl.value);
+ usleep_range(100, 150);
+
+ /* wait to clear [ENB] */
+ do {
+ pkt_slc_ctl.value = nitrox_read_csr(ndev, offset);
+ } while (pkt_slc_ctl.s.enb);
+
+ /* clear slc counters */
+ offset = NPS_PKT_SLC_CNTSX(port);
+ pkt_slc_cnts.value = nitrox_read_csr(ndev, offset);
+ nitrox_write_csr(ndev, offset, pkt_slc_cnts.value);
+ usleep_range(50, 100);
+}
+
+void enable_pkt_solicit_port(struct nitrox_device *ndev, int port)
+{
+ union nps_pkt_slc_ctl pkt_slc_ctl;
+ u64 offset;
+
+ offset = NPS_PKT_SLC_CTLX(port);
+ pkt_slc_ctl.value = 0;
+ pkt_slc_ctl.s.enb = 1;
+
+ /*
+ * 8 trailing 0x00 bytes will be added
+ * to the end of the outgoing packet.
+ */
+ pkt_slc_ctl.s.z = 1;
+ /* enable response header */
+ pkt_slc_ctl.s.rh = 1;
+ nitrox_write_csr(ndev, offset, pkt_slc_ctl.value);
+
+ /* wait to set [ENB] */
+ do {
+ pkt_slc_ctl.value = nitrox_read_csr(ndev, offset);
+ } while (!pkt_slc_ctl.s.enb);
+}
+
+static void config_single_pkt_solicit_port(struct nitrox_device *ndev,
+ int port)
+{
+ union nps_pkt_slc_int_levels pkt_slc_int;
+ u64 offset;
+
+ reset_pkt_solicit_port(ndev, port);
+
+ offset = NPS_PKT_SLC_INT_LEVELSX(port);
+ pkt_slc_int.value = 0;
+ /* time interrupt threshold */
+ pkt_slc_int.s.timet = 0x3fffff;
+ nitrox_write_csr(ndev, offset, pkt_slc_int.value);
+
+ enable_pkt_solicit_port(ndev, port);
+}
+
+void nitrox_config_pkt_solicit_ports(struct nitrox_device *ndev)
+{
+ int i;
+
+ for (i = 0; i < ndev->nr_queues; i++)
+ config_single_pkt_solicit_port(ndev, i);
+}
+
+/**
+ * enable_nps_interrupts - enable NPS interrutps
+ * @ndev: N5 device.
+ *
+ * This includes NPS core, packet in and slc interrupts.
+ */
+static void enable_nps_interrupts(struct nitrox_device *ndev)
+{
+ union nps_core_int_ena_w1s core_int;
+
+ /* NPS core interrutps */
+ core_int.value = 0;
+ core_int.s.host_wr_err = 1;
+ core_int.s.host_wr_timeout = 1;
+ core_int.s.exec_wr_timeout = 1;
+ core_int.s.npco_dma_malform = 1;
+ core_int.s.host_nps_wr_err = 1;
+ nitrox_write_csr(ndev, NPS_CORE_INT_ENA_W1S, core_int.value);
+
+ /* NPS packet in ring interrupts */
+ nitrox_write_csr(ndev, NPS_PKT_IN_RERR_LO_ENA_W1S, (~0ULL));
+ nitrox_write_csr(ndev, NPS_PKT_IN_RERR_HI_ENA_W1S, (~0ULL));
+ nitrox_write_csr(ndev, NPS_PKT_IN_ERR_TYPE_ENA_W1S, (~0ULL));
+ /* NPS packet slc port interrupts */
+ nitrox_write_csr(ndev, NPS_PKT_SLC_RERR_HI_ENA_W1S, (~0ULL));
+ nitrox_write_csr(ndev, NPS_PKT_SLC_RERR_LO_ENA_W1S, (~0ULL));
+ nitrox_write_csr(ndev, NPS_PKT_SLC_ERR_TYPE_ENA_W1S, (~0uLL));
+}
+
+void nitrox_config_nps_unit(struct nitrox_device *ndev)
+{
+ union nps_core_gbl_vfcfg core_gbl_vfcfg;
+
+ /* endian control information */
+ nitrox_write_csr(ndev, NPS_CORE_CONTROL, 1ULL);
+
+ /* disable ILK interface */
+ core_gbl_vfcfg.value = 0;
+ core_gbl_vfcfg.s.ilk_disable = 1;
+ core_gbl_vfcfg.s.cfg = PF_MODE;
+ nitrox_write_csr(ndev, NPS_CORE_GBL_VFCFG, core_gbl_vfcfg.value);
+ /* config input and solicit ports */
+ nitrox_config_pkt_input_rings(ndev);
+ nitrox_config_pkt_solicit_ports(ndev);
+
+ /* enable interrupts */
+ enable_nps_interrupts(ndev);
+}
+
+void nitrox_config_pom_unit(struct nitrox_device *ndev)
+{
+ union pom_int_ena_w1s pom_int;
+ int i;
+
+ /* enable pom interrupts */
+ pom_int.value = 0;
+ pom_int.s.illegal_dport = 1;
+ nitrox_write_csr(ndev, POM_INT_ENA_W1S, pom_int.value);
+
+ /* enable perf counters */
+ for (i = 0; i < ndev->hw.se_cores; i++)
+ nitrox_write_csr(ndev, POM_PERF_CTL, BIT_ULL(i));
+}
+
+/**
+ * nitrox_config_rand_unit - enable N5 random number unit
+ * @ndev: N5 device
+ */
+void nitrox_config_rand_unit(struct nitrox_device *ndev)
+{
+ union efl_rnm_ctl_status efl_rnm_ctl;
+ u64 offset;
+
+ offset = EFL_RNM_CTL_STATUS;
+ efl_rnm_ctl.value = nitrox_read_csr(ndev, offset);
+ efl_rnm_ctl.s.ent_en = 1;
+ efl_rnm_ctl.s.rng_en = 1;
+ nitrox_write_csr(ndev, offset, efl_rnm_ctl.value);
+}
+
+void nitrox_config_efl_unit(struct nitrox_device *ndev)
+{
+ int i;
+
+ for (i = 0; i < NR_CLUSTERS; i++) {
+ union efl_core_int_ena_w1s efl_core_int;
+ u64 offset;
+
+ /* EFL core interrupts */
+ offset = EFL_CORE_INT_ENA_W1SX(i);
+ efl_core_int.value = 0;
+ efl_core_int.s.len_ovr = 1;
+ efl_core_int.s.d_left = 1;
+ efl_core_int.s.epci_decode_err = 1;
+ nitrox_write_csr(ndev, offset, efl_core_int.value);
+
+ offset = EFL_CORE_VF_ERR_INT0_ENA_W1SX(i);
+ nitrox_write_csr(ndev, offset, (~0ULL));
+ offset = EFL_CORE_VF_ERR_INT1_ENA_W1SX(i);
+ nitrox_write_csr(ndev, offset, (~0ULL));
+ }
+}
+
+void nitrox_config_bmi_unit(struct nitrox_device *ndev)
+{
+ union bmi_ctl bmi_ctl;
+ union bmi_int_ena_w1s bmi_int_ena;
+ u64 offset;
+
+ /* no threshold limits for PCIe */
+ offset = BMI_CTL;
+ bmi_ctl.value = nitrox_read_csr(ndev, offset);
+ bmi_ctl.s.max_pkt_len = 0xff;
+ bmi_ctl.s.nps_free_thrsh = 0xff;
+ bmi_ctl.s.nps_hdrq_thrsh = 0x7a;
+ nitrox_write_csr(ndev, offset, bmi_ctl.value);
+
+ /* enable interrupts */
+ offset = BMI_INT_ENA_W1S;
+ bmi_int_ena.value = 0;
+ bmi_int_ena.s.max_len_err_nps = 1;
+ bmi_int_ena.s.pkt_rcv_err_nps = 1;
+ bmi_int_ena.s.fpf_undrrn = 1;
+ nitrox_write_csr(ndev, offset, bmi_int_ena.value);
+}
+
+void nitrox_config_bmo_unit(struct nitrox_device *ndev)
+{
+ union bmo_ctl2 bmo_ctl2;
+ u64 offset;
+
+ /* no threshold limits for PCIe */
+ offset = BMO_CTL2;
+ bmo_ctl2.value = nitrox_read_csr(ndev, offset);
+ bmo_ctl2.s.nps_slc_buf_thrsh = 0xff;
+ nitrox_write_csr(ndev, offset, bmo_ctl2.value);
+}
+
+void invalidate_lbc(struct nitrox_device *ndev)
+{
+ union lbc_inval_ctl lbc_ctl;
+ union lbc_inval_status lbc_stat;
+ u64 offset;
+
+ /* invalidate LBC */
+ offset = LBC_INVAL_CTL;
+ lbc_ctl.value = nitrox_read_csr(ndev, offset);
+ lbc_ctl.s.cam_inval_start = 1;
+ nitrox_write_csr(ndev, offset, lbc_ctl.value);
+
+ offset = LBC_INVAL_STATUS;
+
+ do {
+ lbc_stat.value = nitrox_read_csr(ndev, offset);
+ } while (!lbc_stat.s.done);
+}
+
+void nitrox_config_lbc_unit(struct nitrox_device *ndev)
+{
+ union lbc_int_ena_w1s lbc_int_ena;
+ u64 offset;
+
+ invalidate_lbc(ndev);
+
+ /* enable interrupts */
+ offset = LBC_INT_ENA_W1S;
+ lbc_int_ena.value = 0;
+ lbc_int_ena.s.dma_rd_err = 1;
+ lbc_int_ena.s.over_fetch_err = 1;
+ lbc_int_ena.s.cam_inval_abort = 1;
+ lbc_int_ena.s.cam_hard_err = 1;
+ nitrox_write_csr(ndev, offset, lbc_int_ena.value);
+
+ offset = LBC_PLM_VF1_64_INT_ENA_W1S;
+ nitrox_write_csr(ndev, offset, (~0ULL));
+ offset = LBC_PLM_VF65_128_INT_ENA_W1S;
+ nitrox_write_csr(ndev, offset, (~0ULL));
+
+ offset = LBC_ELM_VF1_64_INT_ENA_W1S;
+ nitrox_write_csr(ndev, offset, (~0ULL));
+ offset = LBC_ELM_VF65_128_INT_ENA_W1S;
+ nitrox_write_csr(ndev, offset, (~0ULL));
+}
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_isr.c b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_isr.c
new file mode 100644
index 0000000..dbead5f
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_isr.c
@@ -0,0 +1,468 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/pci.h>
+#include <linux/printk.h>
+#include <linux/slab.h>
+
+#include "nitrox_dev.h"
+#include "nitrox_csr.h"
+#include "nitrox_common.h"
+
+#define NR_RING_VECTORS 3
+#define NPS_CORE_INT_ACTIVE_ENTRY 192
+
+/**
+ * nps_pkt_slc_isr - IRQ handler for NPS solicit port
+ * @irq: irq number
+ * @data: argument
+ */
+static irqreturn_t nps_pkt_slc_isr(int irq, void *data)
+{
+ struct bh_data *slc = data;
+ union nps_pkt_slc_cnts pkt_slc_cnts;
+
+ pkt_slc_cnts.value = readq(slc->completion_cnt_csr_addr);
+ /* New packet on SLC output port */
+ if (pkt_slc_cnts.s.slc_int)
+ tasklet_hi_schedule(&slc->resp_handler);
+
+ return IRQ_HANDLED;
+}
+
+static void clear_nps_core_err_intr(struct nitrox_device *ndev)
+{
+ u64 value;
+
+ /* Write 1 to clear */
+ value = nitrox_read_csr(ndev, NPS_CORE_INT);
+ nitrox_write_csr(ndev, NPS_CORE_INT, value);
+
+ dev_err_ratelimited(DEV(ndev), "NSP_CORE_INT 0x%016llx\n", value);
+}
+
+static void clear_nps_pkt_err_intr(struct nitrox_device *ndev)
+{
+ union nps_pkt_int pkt_int;
+ unsigned long value, offset;
+ int i;
+
+ pkt_int.value = nitrox_read_csr(ndev, NPS_PKT_INT);
+ dev_err_ratelimited(DEV(ndev), "NPS_PKT_INT 0x%016llx\n",
+ pkt_int.value);
+
+ if (pkt_int.s.slc_err) {
+ offset = NPS_PKT_SLC_ERR_TYPE;
+ value = nitrox_read_csr(ndev, offset);
+ nitrox_write_csr(ndev, offset, value);
+ dev_err_ratelimited(DEV(ndev),
+ "NPS_PKT_SLC_ERR_TYPE 0x%016lx\n", value);
+
+ offset = NPS_PKT_SLC_RERR_LO;
+ value = nitrox_read_csr(ndev, offset);
+ nitrox_write_csr(ndev, offset, value);
+ /* enable the solicit ports */
+ for_each_set_bit(i, &value, BITS_PER_LONG)
+ enable_pkt_solicit_port(ndev, i);
+
+ dev_err_ratelimited(DEV(ndev),
+ "NPS_PKT_SLC_RERR_LO 0x%016lx\n", value);
+
+ offset = NPS_PKT_SLC_RERR_HI;
+ value = nitrox_read_csr(ndev, offset);
+ nitrox_write_csr(ndev, offset, value);
+ dev_err_ratelimited(DEV(ndev),
+ "NPS_PKT_SLC_RERR_HI 0x%016lx\n", value);
+ }
+
+ if (pkt_int.s.in_err) {
+ offset = NPS_PKT_IN_ERR_TYPE;
+ value = nitrox_read_csr(ndev, offset);
+ nitrox_write_csr(ndev, offset, value);
+ dev_err_ratelimited(DEV(ndev),
+ "NPS_PKT_IN_ERR_TYPE 0x%016lx\n", value);
+ offset = NPS_PKT_IN_RERR_LO;
+ value = nitrox_read_csr(ndev, offset);
+ nitrox_write_csr(ndev, offset, value);
+ /* enable the input ring */
+ for_each_set_bit(i, &value, BITS_PER_LONG)
+ enable_pkt_input_ring(ndev, i);
+
+ dev_err_ratelimited(DEV(ndev),
+ "NPS_PKT_IN_RERR_LO 0x%016lx\n", value);
+
+ offset = NPS_PKT_IN_RERR_HI;
+ value = nitrox_read_csr(ndev, offset);
+ nitrox_write_csr(ndev, offset, value);
+ dev_err_ratelimited(DEV(ndev),
+ "NPS_PKT_IN_RERR_HI 0x%016lx\n", value);
+ }
+}
+
+static void clear_pom_err_intr(struct nitrox_device *ndev)
+{
+ u64 value;
+
+ value = nitrox_read_csr(ndev, POM_INT);
+ nitrox_write_csr(ndev, POM_INT, value);
+ dev_err_ratelimited(DEV(ndev), "POM_INT 0x%016llx\n", value);
+}
+
+static void clear_pem_err_intr(struct nitrox_device *ndev)
+{
+ u64 value;
+
+ value = nitrox_read_csr(ndev, PEM0_INT);
+ nitrox_write_csr(ndev, PEM0_INT, value);
+ dev_err_ratelimited(DEV(ndev), "PEM(0)_INT 0x%016llx\n", value);
+}
+
+static void clear_lbc_err_intr(struct nitrox_device *ndev)
+{
+ union lbc_int lbc_int;
+ u64 value, offset;
+ int i;
+
+ lbc_int.value = nitrox_read_csr(ndev, LBC_INT);
+ dev_err_ratelimited(DEV(ndev), "LBC_INT 0x%016llx\n", lbc_int.value);
+
+ if (lbc_int.s.dma_rd_err) {
+ for (i = 0; i < NR_CLUSTERS; i++) {
+ offset = EFL_CORE_VF_ERR_INT0X(i);
+ value = nitrox_read_csr(ndev, offset);
+ nitrox_write_csr(ndev, offset, value);
+ offset = EFL_CORE_VF_ERR_INT1X(i);
+ value = nitrox_read_csr(ndev, offset);
+ nitrox_write_csr(ndev, offset, value);
+ }
+ }
+
+ if (lbc_int.s.cam_soft_err) {
+ dev_err_ratelimited(DEV(ndev), "CAM_SOFT_ERR, invalidating LBC\n");
+ invalidate_lbc(ndev);
+ }
+
+ if (lbc_int.s.pref_dat_len_mismatch_err) {
+ offset = LBC_PLM_VF1_64_INT;
+ value = nitrox_read_csr(ndev, offset);
+ nitrox_write_csr(ndev, offset, value);
+ offset = LBC_PLM_VF65_128_INT;
+ value = nitrox_read_csr(ndev, offset);
+ nitrox_write_csr(ndev, offset, value);
+ }
+
+ if (lbc_int.s.rd_dat_len_mismatch_err) {
+ offset = LBC_ELM_VF1_64_INT;
+ value = nitrox_read_csr(ndev, offset);
+ nitrox_write_csr(ndev, offset, value);
+ offset = LBC_ELM_VF65_128_INT;
+ value = nitrox_read_csr(ndev, offset);
+ nitrox_write_csr(ndev, offset, value);
+ }
+ nitrox_write_csr(ndev, LBC_INT, lbc_int.value);
+}
+
+static void clear_efl_err_intr(struct nitrox_device *ndev)
+{
+ int i;
+
+ for (i = 0; i < NR_CLUSTERS; i++) {
+ union efl_core_int core_int;
+ u64 value, offset;
+
+ offset = EFL_CORE_INTX(i);
+ core_int.value = nitrox_read_csr(ndev, offset);
+ nitrox_write_csr(ndev, offset, core_int.value);
+ dev_err_ratelimited(DEV(ndev), "ELF_CORE(%d)_INT 0x%016llx\n",
+ i, core_int.value);
+ if (core_int.s.se_err) {
+ offset = EFL_CORE_SE_ERR_INTX(i);
+ value = nitrox_read_csr(ndev, offset);
+ nitrox_write_csr(ndev, offset, value);
+ }
+ }
+}
+
+static void clear_bmi_err_intr(struct nitrox_device *ndev)
+{
+ u64 value;
+
+ value = nitrox_read_csr(ndev, BMI_INT);
+ nitrox_write_csr(ndev, BMI_INT, value);
+ dev_err_ratelimited(DEV(ndev), "BMI_INT 0x%016llx\n", value);
+}
+
+/**
+ * clear_nps_core_int_active - clear NPS_CORE_INT_ACTIVE interrupts
+ * @ndev: NITROX device
+ */
+static void clear_nps_core_int_active(struct nitrox_device *ndev)
+{
+ union nps_core_int_active core_int_active;
+
+ core_int_active.value = nitrox_read_csr(ndev, NPS_CORE_INT_ACTIVE);
+
+ if (core_int_active.s.nps_core)
+ clear_nps_core_err_intr(ndev);
+
+ if (core_int_active.s.nps_pkt)
+ clear_nps_pkt_err_intr(ndev);
+
+ if (core_int_active.s.pom)
+ clear_pom_err_intr(ndev);
+
+ if (core_int_active.s.pem)
+ clear_pem_err_intr(ndev);
+
+ if (core_int_active.s.lbc)
+ clear_lbc_err_intr(ndev);
+
+ if (core_int_active.s.efl)
+ clear_efl_err_intr(ndev);
+
+ if (core_int_active.s.bmi)
+ clear_bmi_err_intr(ndev);
+
+ /* If more work callback the ISR, set resend */
+ core_int_active.s.resend = 1;
+ nitrox_write_csr(ndev, NPS_CORE_INT_ACTIVE, core_int_active.value);
+}
+
+static irqreturn_t nps_core_int_isr(int irq, void *data)
+{
+ struct nitrox_device *ndev = data;
+
+ clear_nps_core_int_active(ndev);
+
+ return IRQ_HANDLED;
+}
+
+static int nitrox_enable_msix(struct nitrox_device *ndev)
+{
+ struct msix_entry *entries;
+ char **names;
+ int i, nr_entries, ret;
+
+ /*
+ * PF MSI-X vectors
+ *
+ * Entry 0: NPS PKT ring 0
+ * Entry 1: AQMQ ring 0
+ * Entry 2: ZQM ring 0
+ * Entry 3: NPS PKT ring 1
+ * Entry 4: AQMQ ring 1
+ * Entry 5: ZQM ring 1
+ * ....
+ * Entry 192: NPS_CORE_INT_ACTIVE
+ */
+ nr_entries = (ndev->nr_queues * NR_RING_VECTORS) + 1;
+ entries = kzalloc_node(nr_entries * sizeof(struct msix_entry),
+ GFP_KERNEL, ndev->node);
+ if (!entries)
+ return -ENOMEM;
+
+ names = kcalloc(nr_entries, sizeof(char *), GFP_KERNEL);
+ if (!names) {
+ kfree(entries);
+ return -ENOMEM;
+ }
+
+ /* fill entires */
+ for (i = 0; i < (nr_entries - 1); i++)
+ entries[i].entry = i;
+
+ entries[i].entry = NPS_CORE_INT_ACTIVE_ENTRY;
+
+ for (i = 0; i < nr_entries; i++) {
+ *(names + i) = kzalloc(MAX_MSIX_VECTOR_NAME, GFP_KERNEL);
+ if (!(*(names + i))) {
+ ret = -ENOMEM;
+ goto msix_fail;
+ }
+ }
+ ndev->msix.entries = entries;
+ ndev->msix.names = names;
+ ndev->msix.nr_entries = nr_entries;
+
+ ret = pci_enable_msix_exact(ndev->pdev, ndev->msix.entries,
+ ndev->msix.nr_entries);
+ if (ret) {
+ dev_err(&ndev->pdev->dev, "Failed to enable MSI-X IRQ(s) %d\n",
+ ret);
+ goto msix_fail;
+ }
+ return 0;
+
+msix_fail:
+ for (i = 0; i < nr_entries; i++)
+ kfree(*(names + i));
+
+ kfree(entries);
+ kfree(names);
+ return ret;
+}
+
+static void nitrox_cleanup_pkt_slc_bh(struct nitrox_device *ndev)
+{
+ int i;
+
+ if (!ndev->bh.slc)
+ return;
+
+ for (i = 0; i < ndev->nr_queues; i++) {
+ struct bh_data *bh = &ndev->bh.slc[i];
+
+ tasklet_disable(&bh->resp_handler);
+ tasklet_kill(&bh->resp_handler);
+ }
+ kfree(ndev->bh.slc);
+ ndev->bh.slc = NULL;
+}
+
+static int nitrox_setup_pkt_slc_bh(struct nitrox_device *ndev)
+{
+ u32 size;
+ int i;
+
+ size = ndev->nr_queues * sizeof(struct bh_data);
+ ndev->bh.slc = kzalloc(size, GFP_KERNEL);
+ if (!ndev->bh.slc)
+ return -ENOMEM;
+
+ for (i = 0; i < ndev->nr_queues; i++) {
+ struct bh_data *bh = &ndev->bh.slc[i];
+ u64 offset;
+
+ offset = NPS_PKT_SLC_CNTSX(i);
+ /* pre calculate completion count address */
+ bh->completion_cnt_csr_addr = NITROX_CSR_ADDR(ndev, offset);
+ bh->cmdq = &ndev->pkt_cmdqs[i];
+
+ tasklet_init(&bh->resp_handler, pkt_slc_resp_handler,
+ (unsigned long)bh);
+ }
+
+ return 0;
+}
+
+static int nitrox_request_irqs(struct nitrox_device *ndev)
+{
+ struct pci_dev *pdev = ndev->pdev;
+ struct msix_entry *msix_ent = ndev->msix.entries;
+ int nr_ring_vectors, i = 0, ring, cpu, ret;
+ char *name;
+
+ /*
+ * PF MSI-X vectors
+ *
+ * Entry 0: NPS PKT ring 0
+ * Entry 1: AQMQ ring 0
+ * Entry 2: ZQM ring 0
+ * Entry 3: NPS PKT ring 1
+ * ....
+ * Entry 192: NPS_CORE_INT_ACTIVE
+ */
+ nr_ring_vectors = ndev->nr_queues * NR_RING_VECTORS;
+
+ /* request irq for pkt ring/ports only */
+ while (i < nr_ring_vectors) {
+ name = *(ndev->msix.names + i);
+ ring = (i / NR_RING_VECTORS);
+ snprintf(name, MAX_MSIX_VECTOR_NAME, "n5(%d)-slc-ring%d",
+ ndev->idx, ring);
+
+ ret = request_irq(msix_ent[i].vector, nps_pkt_slc_isr, 0,
+ name, &ndev->bh.slc[ring]);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to get irq %d for %s\n",
+ msix_ent[i].vector, name);
+ return ret;
+ }
+ cpu = ring % num_online_cpus();
+ irq_set_affinity_hint(msix_ent[i].vector, get_cpu_mask(cpu));
+
+ set_bit(i, ndev->msix.irqs);
+ i += NR_RING_VECTORS;
+ }
+
+ /* Request IRQ for NPS_CORE_INT_ACTIVE */
+ name = *(ndev->msix.names + i);
+ snprintf(name, MAX_MSIX_VECTOR_NAME, "n5(%d)-nps-core-int", ndev->idx);
+ ret = request_irq(msix_ent[i].vector, nps_core_int_isr, 0, name, ndev);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to get irq %d for %s\n",
+ msix_ent[i].vector, name);
+ return ret;
+ }
+ set_bit(i, ndev->msix.irqs);
+
+ return 0;
+}
+
+static void nitrox_disable_msix(struct nitrox_device *ndev)
+{
+ struct msix_entry *msix_ent = ndev->msix.entries;
+ char **names = ndev->msix.names;
+ int i = 0, ring, nr_ring_vectors;
+
+ nr_ring_vectors = ndev->msix.nr_entries - 1;
+
+ /* clear pkt ring irqs */
+ while (i < nr_ring_vectors) {
+ if (test_and_clear_bit(i, ndev->msix.irqs)) {
+ ring = (i / NR_RING_VECTORS);
+ irq_set_affinity_hint(msix_ent[i].vector, NULL);
+ free_irq(msix_ent[i].vector, &ndev->bh.slc[ring]);
+ }
+ i += NR_RING_VECTORS;
+ }
+ irq_set_affinity_hint(msix_ent[i].vector, NULL);
+ free_irq(msix_ent[i].vector, ndev);
+ clear_bit(i, ndev->msix.irqs);
+
+ kfree(ndev->msix.entries);
+ for (i = 0; i < ndev->msix.nr_entries; i++)
+ kfree(*(names + i));
+
+ kfree(names);
+ pci_disable_msix(ndev->pdev);
+}
+
+/**
+ * nitrox_pf_cleanup_isr: Cleanup PF MSI-X and IRQ
+ * @ndev: NITROX device
+ */
+void nitrox_pf_cleanup_isr(struct nitrox_device *ndev)
+{
+ nitrox_disable_msix(ndev);
+ nitrox_cleanup_pkt_slc_bh(ndev);
+}
+
+/**
+ * nitrox_init_isr - Initialize PF MSI-X vectors and IRQ
+ * @ndev: NITROX device
+ *
+ * Return: 0 on success, a negative value on failure.
+ */
+int nitrox_pf_init_isr(struct nitrox_device *ndev)
+{
+ int err;
+
+ err = nitrox_setup_pkt_slc_bh(ndev);
+ if (err)
+ return err;
+
+ err = nitrox_enable_msix(ndev);
+ if (err)
+ goto msix_fail;
+
+ err = nitrox_request_irqs(ndev);
+ if (err)
+ goto irq_fail;
+
+ return 0;
+
+irq_fail:
+ nitrox_disable_msix(ndev);
+msix_fail:
+ nitrox_cleanup_pkt_slc_bh(ndev);
+ return err;
+}
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_lib.c b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_lib.c
new file mode 100644
index 0000000..cea977e
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_lib.c
@@ -0,0 +1,224 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/cpumask.h>
+#include <linux/dma-mapping.h>
+#include <linux/dmapool.h>
+#include <linux/delay.h>
+#include <linux/gfp.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci_regs.h>
+#include <linux/vmalloc.h>
+#include <linux/pci.h>
+
+#include "nitrox_dev.h"
+#include "nitrox_common.h"
+#include "nitrox_req.h"
+#include "nitrox_csr.h"
+
+#define CRYPTO_CTX_SIZE 256
+
+/* command queue alignments */
+#define PKT_IN_ALIGN 16
+
+static int cmdq_common_init(struct nitrox_cmdq *cmdq)
+{
+ struct nitrox_device *ndev = cmdq->ndev;
+ u32 qsize;
+
+ qsize = (ndev->qlen) * cmdq->instr_size;
+ cmdq->head_unaligned = dma_zalloc_coherent(DEV(ndev),
+ (qsize + PKT_IN_ALIGN),
+ &cmdq->dma_unaligned,
+ GFP_KERNEL);
+ if (!cmdq->head_unaligned)
+ return -ENOMEM;
+
+ cmdq->head = PTR_ALIGN(cmdq->head_unaligned, PKT_IN_ALIGN);
+ cmdq->dma = PTR_ALIGN(cmdq->dma_unaligned, PKT_IN_ALIGN);
+ cmdq->qsize = (qsize + PKT_IN_ALIGN);
+ cmdq->write_idx = 0;
+
+ spin_lock_init(&cmdq->response_lock);
+ spin_lock_init(&cmdq->cmdq_lock);
+ spin_lock_init(&cmdq->backlog_lock);
+
+ INIT_LIST_HEAD(&cmdq->response_head);
+ INIT_LIST_HEAD(&cmdq->backlog_head);
+ INIT_WORK(&cmdq->backlog_qflush, backlog_qflush_work);
+
+ atomic_set(&cmdq->pending_count, 0);
+ atomic_set(&cmdq->backlog_count, 0);
+ return 0;
+}
+
+static void cmdq_common_cleanup(struct nitrox_cmdq *cmdq)
+{
+ struct nitrox_device *ndev = cmdq->ndev;
+
+ cancel_work_sync(&cmdq->backlog_qflush);
+
+ dma_free_coherent(DEV(ndev), cmdq->qsize,
+ cmdq->head_unaligned, cmdq->dma_unaligned);
+
+ atomic_set(&cmdq->pending_count, 0);
+ atomic_set(&cmdq->backlog_count, 0);
+
+ cmdq->dbell_csr_addr = NULL;
+ cmdq->head = NULL;
+ cmdq->dma = 0;
+ cmdq->qsize = 0;
+ cmdq->instr_size = 0;
+}
+
+static void nitrox_cleanup_pkt_cmdqs(struct nitrox_device *ndev)
+{
+ int i;
+
+ for (i = 0; i < ndev->nr_queues; i++) {
+ struct nitrox_cmdq *cmdq = &ndev->pkt_cmdqs[i];
+
+ cmdq_common_cleanup(cmdq);
+ }
+ kfree(ndev->pkt_cmdqs);
+ ndev->pkt_cmdqs = NULL;
+}
+
+static int nitrox_init_pkt_cmdqs(struct nitrox_device *ndev)
+{
+ int i, err, size;
+
+ size = ndev->nr_queues * sizeof(struct nitrox_cmdq);
+ ndev->pkt_cmdqs = kzalloc(size, GFP_KERNEL);
+ if (!ndev->pkt_cmdqs)
+ return -ENOMEM;
+
+ for (i = 0; i < ndev->nr_queues; i++) {
+ struct nitrox_cmdq *cmdq;
+ u64 offset;
+
+ cmdq = &ndev->pkt_cmdqs[i];
+ cmdq->ndev = ndev;
+ cmdq->qno = i;
+ cmdq->instr_size = sizeof(struct nps_pkt_instr);
+
+ offset = NPS_PKT_IN_INSTR_BAOFF_DBELLX(i);
+ /* SE ring doorbell address for this queue */
+ cmdq->dbell_csr_addr = NITROX_CSR_ADDR(ndev, offset);
+
+ err = cmdq_common_init(cmdq);
+ if (err)
+ goto pkt_cmdq_fail;
+ }
+ return 0;
+
+pkt_cmdq_fail:
+ nitrox_cleanup_pkt_cmdqs(ndev);
+ return err;
+}
+
+static int create_crypto_dma_pool(struct nitrox_device *ndev)
+{
+ size_t size;
+
+ /* Crypto context pool, 16 byte aligned */
+ size = CRYPTO_CTX_SIZE + sizeof(struct ctx_hdr);
+ ndev->ctx_pool = dma_pool_create("crypto-context",
+ DEV(ndev), size, 16, 0);
+ if (!ndev->ctx_pool)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void destroy_crypto_dma_pool(struct nitrox_device *ndev)
+{
+ if (!ndev->ctx_pool)
+ return;
+
+ dma_pool_destroy(ndev->ctx_pool);
+ ndev->ctx_pool = NULL;
+}
+
+/*
+ * crypto_alloc_context - Allocate crypto context from pool
+ * @ndev: NITROX Device
+ */
+void *crypto_alloc_context(struct nitrox_device *ndev)
+{
+ struct ctx_hdr *ctx;
+ struct crypto_ctx_hdr *chdr;
+ void *vaddr;
+ dma_addr_t dma;
+
+ chdr = kmalloc(sizeof(*chdr), GFP_KERNEL);
+ if (!chdr)
+ return NULL;
+
+ vaddr = dma_pool_alloc(ndev->ctx_pool, (GFP_ATOMIC | __GFP_ZERO), &dma);
+ if (!vaddr) {
+ kfree(chdr);
+ return NULL;
+ }
+
+ /* fill meta data */
+ ctx = vaddr;
+ ctx->pool = ndev->ctx_pool;
+ ctx->dma = dma;
+ ctx->ctx_dma = dma + sizeof(struct ctx_hdr);
+
+ chdr->pool = ndev->ctx_pool;
+ chdr->dma = dma;
+ chdr->vaddr = vaddr;
+
+ return chdr;
+}
+
+/**
+ * crypto_free_context - Free crypto context to pool
+ * @ctx: context to free
+ */
+void crypto_free_context(void *ctx)
+{
+ struct crypto_ctx_hdr *ctxp;
+
+ if (!ctx)
+ return;
+
+ ctxp = ctx;
+ dma_pool_free(ctxp->pool, ctxp->vaddr, ctxp->dma);
+ kfree(ctxp);
+}
+
+/**
+ * nitrox_common_sw_init - allocate software resources.
+ * @ndev: NITROX device
+ *
+ * Allocates crypto context pools and command queues etc.
+ *
+ * Return: 0 on success, or a negative error code on error.
+ */
+int nitrox_common_sw_init(struct nitrox_device *ndev)
+{
+ int err = 0;
+
+ /* per device crypto context pool */
+ err = create_crypto_dma_pool(ndev);
+ if (err)
+ return err;
+
+ err = nitrox_init_pkt_cmdqs(ndev);
+ if (err)
+ destroy_crypto_dma_pool(ndev);
+
+ return err;
+}
+
+/**
+ * nitrox_common_sw_cleanup - free software resources.
+ * @ndev: NITROX device
+ */
+void nitrox_common_sw_cleanup(struct nitrox_device *ndev)
+{
+ nitrox_cleanup_pkt_cmdqs(ndev);
+ destroy_crypto_dma_pool(ndev);
+}
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_main.c b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_main.c
new file mode 100644
index 0000000..a81f3c7
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_main.c
@@ -0,0 +1,643 @@
+#include <linux/aer.h>
+#include <linux/delay.h>
+#include <linux/debugfs.h>
+#include <linux/firmware.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/pci.h>
+#include <linux/pci_ids.h>
+
+#include "nitrox_dev.h"
+#include "nitrox_common.h"
+#include "nitrox_csr.h"
+
+#define CNN55XX_DEV_ID 0x12
+#define MAX_PF_QUEUES 64
+#define UCODE_HLEN 48
+#define SE_GROUP 0
+
+#define DRIVER_VERSION "1.0"
+#define FW_DIR "cavium/"
+/* SE microcode */
+#define SE_FW FW_DIR "cnn55xx_se.fw"
+
+static const char nitrox_driver_name[] = "CNN55XX";
+
+static LIST_HEAD(ndevlist);
+static DEFINE_MUTEX(devlist_lock);
+static unsigned int num_devices;
+
+/**
+ * nitrox_pci_tbl - PCI Device ID Table
+ */
+static const struct pci_device_id nitrox_pci_tbl[] = {
+ {PCI_VDEVICE(CAVIUM, CNN55XX_DEV_ID), 0},
+ /* required last entry */
+ {0, }
+};
+MODULE_DEVICE_TABLE(pci, nitrox_pci_tbl);
+
+static unsigned int qlen = DEFAULT_CMD_QLEN;
+module_param(qlen, uint, 0644);
+MODULE_PARM_DESC(qlen, "Command queue length - default 2048");
+
+/**
+ * struct ucode - Firmware Header
+ * @id: microcode ID
+ * @version: firmware version
+ * @code_size: code section size
+ * @raz: alignment
+ * @code: code section
+ */
+struct ucode {
+ u8 id;
+ char version[VERSION_LEN - 1];
+ __be32 code_size;
+ u8 raz[12];
+ u64 code[0];
+};
+
+/**
+ * write_to_ucd_unit - Write Firmware to NITROX UCD unit
+ */
+static void write_to_ucd_unit(struct nitrox_device *ndev,
+ struct ucode *ucode)
+{
+ u32 code_size = be32_to_cpu(ucode->code_size) * 2;
+ u64 offset, data;
+ int i = 0;
+
+ /*
+ * UCD structure
+ *
+ * -------------
+ * | BLK 7 |
+ * -------------
+ * | BLK 6 |
+ * -------------
+ * | ... |
+ * -------------
+ * | BLK 0 |
+ * -------------
+ * Total of 8 blocks, each size 32KB
+ */
+
+ /* set the block number */
+ offset = UCD_UCODE_LOAD_BLOCK_NUM;
+ nitrox_write_csr(ndev, offset, 0);
+
+ code_size = roundup(code_size, 8);
+ while (code_size) {
+ data = ucode->code[i];
+ /* write 8 bytes at a time */
+ offset = UCD_UCODE_LOAD_IDX_DATAX(i);
+ nitrox_write_csr(ndev, offset, data);
+ code_size -= 8;
+ i++;
+ }
+
+ /* put all SE cores in group 0 */
+ offset = POM_GRP_EXECMASKX(SE_GROUP);
+ nitrox_write_csr(ndev, offset, (~0ULL));
+
+ for (i = 0; i < ndev->hw.se_cores; i++) {
+ /*
+ * write block number and firware length
+ * bit:<2:0> block number
+ * bit:3 is set SE uses 32KB microcode
+ * bit:3 is clear SE uses 64KB microcode
+ */
+ offset = UCD_SE_EID_UCODE_BLOCK_NUMX(i);
+ nitrox_write_csr(ndev, offset, 0x8);
+ }
+ usleep_range(300, 400);
+}
+
+static int nitrox_load_fw(struct nitrox_device *ndev, const char *fw_name)
+{
+ const struct firmware *fw;
+ struct ucode *ucode;
+ int ret;
+
+ dev_info(DEV(ndev), "Loading firmware \"%s\"\n", fw_name);
+
+ ret = request_firmware(&fw, fw_name, DEV(ndev));
+ if (ret < 0) {
+ dev_err(DEV(ndev), "failed to get firmware %s\n", fw_name);
+ return ret;
+ }
+
+ ucode = (struct ucode *)fw->data;
+ /* copy the firmware version */
+ memcpy(ndev->hw.fw_name, ucode->version, (VERSION_LEN - 2));
+ ndev->hw.fw_name[VERSION_LEN - 1] = '\0';
+
+ write_to_ucd_unit(ndev, ucode);
+ release_firmware(fw);
+
+ set_bit(NITROX_UCODE_LOADED, &ndev->status);
+ /* barrier to sync with other cpus */
+ smp_mb__after_atomic();
+ return 0;
+}
+
+/**
+ * nitrox_add_to_devlist - add NITROX device to global device list
+ * @ndev: NITROX device
+ */
+static int nitrox_add_to_devlist(struct nitrox_device *ndev)
+{
+ struct nitrox_device *dev;
+ int ret = 0;
+
+ INIT_LIST_HEAD(&ndev->list);
+ refcount_set(&ndev->refcnt, 1);
+
+ mutex_lock(&devlist_lock);
+ list_for_each_entry(dev, &ndevlist, list) {
+ if (dev == ndev) {
+ ret = -EEXIST;
+ goto unlock;
+ }
+ }
+ ndev->idx = num_devices++;
+ list_add_tail(&ndev->list, &ndevlist);
+unlock:
+ mutex_unlock(&devlist_lock);
+ return ret;
+}
+
+/**
+ * nitrox_remove_from_devlist - remove NITROX device from
+ * global device list
+ * @ndev: NITROX device
+ */
+static void nitrox_remove_from_devlist(struct nitrox_device *ndev)
+{
+ mutex_lock(&devlist_lock);
+ list_del(&ndev->list);
+ num_devices--;
+ mutex_unlock(&devlist_lock);
+}
+
+struct nitrox_device *nitrox_get_first_device(void)
+{
+ struct nitrox_device *ndev;
+
+ mutex_lock(&devlist_lock);
+ list_for_each_entry(ndev, &ndevlist, list) {
+ if (nitrox_ready(ndev))
+ break;
+ }
+ mutex_unlock(&devlist_lock);
+ if (&ndev->list == &ndevlist)
+ return NULL;
+
+ refcount_inc(&ndev->refcnt);
+ /* barrier to sync with other cpus */
+ smp_mb__after_atomic();
+ return ndev;
+}
+
+void nitrox_put_device(struct nitrox_device *ndev)
+{
+ if (!ndev)
+ return;
+
+ refcount_dec(&ndev->refcnt);
+ /* barrier to sync with other cpus */
+ smp_mb__after_atomic();
+}
+
+static int nitrox_reset_device(struct pci_dev *pdev)
+{
+ int pos = 0;
+
+ pos = pci_save_state(pdev);
+ if (pos) {
+ dev_err(&pdev->dev, "Failed to save pci state\n");
+ return -ENOMEM;
+ }
+
+ pos = pci_pcie_cap(pdev);
+ if (!pos)
+ return -ENOTTY;
+
+ if (!pci_wait_for_pending_transaction(pdev))
+ dev_err(&pdev->dev, "waiting for pending transaction\n");
+
+ pcie_capability_set_word(pdev, PCI_EXP_DEVCTL, PCI_EXP_DEVCTL_BCR_FLR);
+ msleep(100);
+ pci_restore_state(pdev);
+
+ return 0;
+}
+
+static int nitrox_pf_sw_init(struct nitrox_device *ndev)
+{
+ int err;
+
+ err = nitrox_common_sw_init(ndev);
+ if (err)
+ return err;
+
+ err = nitrox_pf_init_isr(ndev);
+ if (err)
+ nitrox_common_sw_cleanup(ndev);
+
+ return err;
+}
+
+static void nitrox_pf_sw_cleanup(struct nitrox_device *ndev)
+{
+ nitrox_pf_cleanup_isr(ndev);
+ nitrox_common_sw_cleanup(ndev);
+}
+
+/**
+ * nitrox_bist_check - Check NITORX BIST registers status
+ * @ndev: NITROX device
+ */
+static int nitrox_bist_check(struct nitrox_device *ndev)
+{
+ u64 value = 0;
+ int i;
+
+ for (i = 0; i < NR_CLUSTERS; i++) {
+ value += nitrox_read_csr(ndev, EMU_BIST_STATUSX(i));
+ value += nitrox_read_csr(ndev, EFL_CORE_BIST_REGX(i));
+ }
+ value += nitrox_read_csr(ndev, UCD_BIST_STATUS);
+ value += nitrox_read_csr(ndev, NPS_CORE_BIST_REG);
+ value += nitrox_read_csr(ndev, NPS_CORE_NPC_BIST_REG);
+ value += nitrox_read_csr(ndev, NPS_PKT_SLC_BIST_REG);
+ value += nitrox_read_csr(ndev, NPS_PKT_IN_BIST_REG);
+ value += nitrox_read_csr(ndev, POM_BIST_REG);
+ value += nitrox_read_csr(ndev, BMI_BIST_REG);
+ value += nitrox_read_csr(ndev, EFL_TOP_BIST_STAT);
+ value += nitrox_read_csr(ndev, BMO_BIST_REG);
+ value += nitrox_read_csr(ndev, LBC_BIST_STATUS);
+ value += nitrox_read_csr(ndev, PEM_BIST_STATUSX(0));
+ if (value)
+ return -EIO;
+ return 0;
+}
+
+static void nitrox_get_hwinfo(struct nitrox_device *ndev)
+{
+ union emu_fuse_map emu_fuse;
+ u64 offset;
+ int i;
+
+ for (i = 0; i < NR_CLUSTERS; i++) {
+ u8 dead_cores;
+
+ offset = EMU_FUSE_MAPX(i);
+ emu_fuse.value = nitrox_read_csr(ndev, offset);
+ if (emu_fuse.s.valid) {
+ dead_cores = hweight32(emu_fuse.s.ae_fuse);
+ ndev->hw.ae_cores += AE_CORES_PER_CLUSTER - dead_cores;
+ dead_cores = hweight16(emu_fuse.s.se_fuse);
+ ndev->hw.se_cores += SE_CORES_PER_CLUSTER - dead_cores;
+ }
+ }
+}
+
+static int nitrox_pf_hw_init(struct nitrox_device *ndev)
+{
+ int err;
+
+ err = nitrox_bist_check(ndev);
+ if (err) {
+ dev_err(&ndev->pdev->dev, "BIST check failed\n");
+ return err;
+ }
+ /* get cores information */
+ nitrox_get_hwinfo(ndev);
+
+ nitrox_config_nps_unit(ndev);
+ nitrox_config_pom_unit(ndev);
+ nitrox_config_efl_unit(ndev);
+ /* configure IO units */
+ nitrox_config_bmi_unit(ndev);
+ nitrox_config_bmo_unit(ndev);
+ /* configure Local Buffer Cache */
+ nitrox_config_lbc_unit(ndev);
+ nitrox_config_rand_unit(ndev);
+
+ /* load firmware on SE cores */
+ err = nitrox_load_fw(ndev, SE_FW);
+ if (err)
+ return err;
+
+ nitrox_config_emu_unit(ndev);
+
+ return 0;
+}
+
+#if IS_ENABLED(CONFIG_DEBUG_FS)
+static int registers_show(struct seq_file *s, void *v)
+{
+ struct nitrox_device *ndev = s->private;
+ u64 offset;
+
+ /* NPS DMA stats */
+ offset = NPS_STATS_PKT_DMA_RD_CNT;
+ seq_printf(s, "NPS_STATS_PKT_DMA_RD_CNT 0x%016llx\n",
+ nitrox_read_csr(ndev, offset));
+ offset = NPS_STATS_PKT_DMA_WR_CNT;
+ seq_printf(s, "NPS_STATS_PKT_DMA_WR_CNT 0x%016llx\n",
+ nitrox_read_csr(ndev, offset));
+
+ /* BMI/BMO stats */
+ offset = BMI_NPS_PKT_CNT;
+ seq_printf(s, "BMI_NPS_PKT_CNT 0x%016llx\n",
+ nitrox_read_csr(ndev, offset));
+ offset = BMO_NPS_SLC_PKT_CNT;
+ seq_printf(s, "BMO_NPS_PKT_CNT 0x%016llx\n",
+ nitrox_read_csr(ndev, offset));
+
+ return 0;
+}
+
+static int registers_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, registers_show, inode->i_private);
+}
+
+static const struct file_operations register_fops = {
+ .owner = THIS_MODULE,
+ .open = registers_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int firmware_show(struct seq_file *s, void *v)
+{
+ struct nitrox_device *ndev = s->private;
+
+ seq_printf(s, "Version: %s\n", ndev->hw.fw_name);
+ return 0;
+}
+
+static int firmware_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, firmware_show, inode->i_private);
+}
+
+static const struct file_operations firmware_fops = {
+ .owner = THIS_MODULE,
+ .open = firmware_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int nitrox_show(struct seq_file *s, void *v)
+{
+ struct nitrox_device *ndev = s->private;
+
+ seq_printf(s, "NITROX-5 [idx: %d]\n", ndev->idx);
+ seq_printf(s, " Revision ID: 0x%0x\n", ndev->hw.revision_id);
+ seq_printf(s, " Cores [AE: %u SE: %u]\n",
+ ndev->hw.ae_cores, ndev->hw.se_cores);
+ seq_printf(s, " Number of Queues: %u\n", ndev->nr_queues);
+ seq_printf(s, " Queue length: %u\n", ndev->qlen);
+ seq_printf(s, " Node: %u\n", ndev->node);
+
+ return 0;
+}
+
+static int nitrox_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, nitrox_show, inode->i_private);
+}
+
+static const struct file_operations nitrox_fops = {
+ .owner = THIS_MODULE,
+ .open = nitrox_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static void nitrox_debugfs_exit(struct nitrox_device *ndev)
+{
+ debugfs_remove_recursive(ndev->debugfs_dir);
+ ndev->debugfs_dir = NULL;
+}
+
+static int nitrox_debugfs_init(struct nitrox_device *ndev)
+{
+ struct dentry *dir, *f;
+
+ dir = debugfs_create_dir(KBUILD_MODNAME, NULL);
+ if (!dir)
+ return -ENOMEM;
+
+ ndev->debugfs_dir = dir;
+ f = debugfs_create_file("counters", 0400, dir, ndev, ®ister_fops);
+ if (!f)
+ goto err;
+ f = debugfs_create_file("firmware", 0400, dir, ndev, &firmware_fops);
+ if (!f)
+ goto err;
+ f = debugfs_create_file("nitrox", 0400, dir, ndev, &nitrox_fops);
+ if (!f)
+ goto err;
+
+ return 0;
+
+err:
+ nitrox_debugfs_exit(ndev);
+ return -ENODEV;
+}
+#else
+static int nitrox_debugfs_init(struct nitrox_device *ndev)
+{
+ return 0;
+}
+
+static void nitrox_debugfs_exit(struct nitrox_device *ndev)
+{
+}
+#endif
+
+/**
+ * nitrox_probe - NITROX Initialization function.
+ * @pdev: PCI device information struct
+ * @id: entry in nitrox_pci_tbl
+ *
+ * Return: 0, if the driver is bound to the device, or
+ * a negative error if there is failure.
+ */
+static int nitrox_probe(struct pci_dev *pdev,
+ const struct pci_device_id *id)
+{
+ struct nitrox_device *ndev;
+ int err;
+
+ dev_info_once(&pdev->dev, "%s driver version %s\n",
+ nitrox_driver_name, DRIVER_VERSION);
+
+ err = pci_enable_device_mem(pdev);
+ if (err)
+ return err;
+
+ /* do FLR */
+ err = nitrox_reset_device(pdev);
+ if (err) {
+ dev_err(&pdev->dev, "FLR failed\n");
+ pci_disable_device(pdev);
+ return err;
+ }
+
+ if (!dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) {
+ dev_dbg(&pdev->dev, "DMA to 64-BIT address\n");
+ } else {
+ err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
+ if (err) {
+ dev_err(&pdev->dev, "DMA configuration failed\n");
+ pci_disable_device(pdev);
+ return err;
+ }
+ }
+
+ err = pci_request_mem_regions(pdev, nitrox_driver_name);
+ if (err) {
+ pci_disable_device(pdev);
+ return err;
+ }
+ pci_set_master(pdev);
+
+ ndev = kzalloc(sizeof(*ndev), GFP_KERNEL);
+ if (!ndev) {
+ err = -ENOMEM;
+ goto ndev_fail;
+ }
+
+ pci_set_drvdata(pdev, ndev);
+ ndev->pdev = pdev;
+
+ /* add to device list */
+ nitrox_add_to_devlist(ndev);
+
+ ndev->hw.vendor_id = pdev->vendor;
+ ndev->hw.device_id = pdev->device;
+ ndev->hw.revision_id = pdev->revision;
+ /* command timeout in jiffies */
+ ndev->timeout = msecs_to_jiffies(CMD_TIMEOUT);
+ ndev->node = dev_to_node(&pdev->dev);
+ if (ndev->node == NUMA_NO_NODE)
+ ndev->node = 0;
+
+ ndev->bar_addr = ioremap(pci_resource_start(pdev, 0),
+ pci_resource_len(pdev, 0));
+ if (!ndev->bar_addr) {
+ err = -EIO;
+ goto ioremap_err;
+ }
+ /* allocate command queus based on cpus, max queues are 64 */
+ ndev->nr_queues = min_t(u32, MAX_PF_QUEUES, num_online_cpus());
+ ndev->qlen = qlen;
+
+ err = nitrox_pf_sw_init(ndev);
+ if (err)
+ goto ioremap_err;
+
+ err = nitrox_pf_hw_init(ndev);
+ if (err)
+ goto pf_hw_fail;
+
+ err = nitrox_debugfs_init(ndev);
+ if (err)
+ goto pf_hw_fail;
+
+ set_bit(NITROX_READY, &ndev->status);
+ /* barrier to sync with other cpus */
+ smp_mb__after_atomic();
+
+ err = nitrox_crypto_register();
+ if (err)
+ goto crypto_fail;
+
+ return 0;
+
+crypto_fail:
+ nitrox_debugfs_exit(ndev);
+ clear_bit(NITROX_READY, &ndev->status);
+ /* barrier to sync with other cpus */
+ smp_mb__after_atomic();
+pf_hw_fail:
+ nitrox_pf_sw_cleanup(ndev);
+ioremap_err:
+ nitrox_remove_from_devlist(ndev);
+ kfree(ndev);
+ pci_set_drvdata(pdev, NULL);
+ndev_fail:
+ pci_release_mem_regions(pdev);
+ pci_disable_device(pdev);
+ return err;
+}
+
+/**
+ * nitrox_remove - Unbind the driver from the device.
+ * @pdev: PCI device information struct
+ */
+static void nitrox_remove(struct pci_dev *pdev)
+{
+ struct nitrox_device *ndev = pci_get_drvdata(pdev);
+
+ if (!ndev)
+ return;
+
+ if (!refcount_dec_and_test(&ndev->refcnt)) {
+ dev_err(DEV(ndev), "Device refcnt not zero (%d)\n",
+ refcount_read(&ndev->refcnt));
+ return;
+ }
+
+ dev_info(DEV(ndev), "Removing Device %x:%x\n",
+ ndev->hw.vendor_id, ndev->hw.device_id);
+
+ clear_bit(NITROX_READY, &ndev->status);
+ /* barrier to sync with other cpus */
+ smp_mb__after_atomic();
+
+ nitrox_remove_from_devlist(ndev);
+ nitrox_crypto_unregister();
+ nitrox_debugfs_exit(ndev);
+ nitrox_pf_sw_cleanup(ndev);
+
+ iounmap(ndev->bar_addr);
+ kfree(ndev);
+
+ pci_set_drvdata(pdev, NULL);
+ pci_release_mem_regions(pdev);
+ pci_disable_device(pdev);
+}
+
+static void nitrox_shutdown(struct pci_dev *pdev)
+{
+ pci_set_drvdata(pdev, NULL);
+ pci_release_mem_regions(pdev);
+ pci_disable_device(pdev);
+}
+
+static struct pci_driver nitrox_driver = {
+ .name = nitrox_driver_name,
+ .id_table = nitrox_pci_tbl,
+ .probe = nitrox_probe,
+ .remove = nitrox_remove,
+ .shutdown = nitrox_shutdown,
+};
+
+module_pci_driver(nitrox_driver);
+
+MODULE_AUTHOR("Srikanth Jampala <Jampala.Srikanth@cavium.com>");
+MODULE_DESCRIPTION("Cavium CNN55XX PF Driver" DRIVER_VERSION " ");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRIVER_VERSION);
+MODULE_FIRMWARE(SE_FW);
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_req.h b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_req.h
new file mode 100644
index 0000000..19f0a20
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_req.h
@@ -0,0 +1,453 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __NITROX_REQ_H
+#define __NITROX_REQ_H
+
+#include <linux/dma-mapping.h>
+#include <crypto/aes.h>
+
+#include "nitrox_dev.h"
+
+/**
+ * struct gphdr - General purpose Header
+ * @param0: first parameter.
+ * @param1: second parameter.
+ * @param2: third parameter.
+ * @param3: fourth parameter.
+ *
+ * Params tell the iv and enc/dec data offsets.
+ */
+struct gphdr {
+ __be16 param0;
+ __be16 param1;
+ __be16 param2;
+ __be16 param3;
+};
+
+/**
+ * struct se_req_ctrl - SE request information.
+ * @arg: Minor number of the opcode
+ * @ctxc: Context control.
+ * @unca: Uncertainity enabled.
+ * @info: Additional information for SE cores.
+ * @ctxl: Context length in bytes.
+ * @uddl: User defined data length
+ */
+union se_req_ctrl {
+ u64 value;
+ struct {
+ u64 raz : 22;
+ u64 arg : 8;
+ u64 ctxc : 2;
+ u64 unca : 1;
+ u64 info : 3;
+ u64 unc : 8;
+ u64 ctxl : 12;
+ u64 uddl : 8;
+ } s;
+};
+
+struct nitrox_sglist {
+ u16 len;
+ u16 raz0;
+ u32 raz1;
+ dma_addr_t dma;
+};
+
+#define MAX_IV_LEN 16
+
+/**
+ * struct se_crypto_request - SE crypto request structure.
+ * @opcode: Request opcode (enc/dec)
+ * @flags: flags from crypto subsystem
+ * @ctx_handle: Crypto context handle.
+ * @gph: GP Header
+ * @ctrl: Request Information.
+ * @in: Input sglist
+ * @out: Output sglist
+ */
+struct se_crypto_request {
+ u8 opcode;
+ gfp_t gfp;
+ u32 flags;
+ u64 ctx_handle;
+
+ struct gphdr gph;
+ union se_req_ctrl ctrl;
+
+ u8 iv[MAX_IV_LEN];
+ u16 ivsize;
+
+ struct scatterlist *src;
+ struct scatterlist *dst;
+};
+
+/* Crypto opcodes */
+#define FLEXI_CRYPTO_ENCRYPT_HMAC 0x33
+#define ENCRYPT 0
+#define DECRYPT 1
+
+/* IV from context */
+#define IV_FROM_CTX 0
+/* IV from Input data */
+#define IV_FROM_DPTR 1
+
+/**
+ * cipher opcodes for firmware
+ */
+enum flexi_cipher {
+ CIPHER_NULL = 0,
+ CIPHER_3DES_CBC,
+ CIPHER_3DES_ECB,
+ CIPHER_AES_CBC,
+ CIPHER_AES_ECB,
+ CIPHER_AES_CFB,
+ CIPHER_AES_CTR,
+ CIPHER_AES_GCM,
+ CIPHER_AES_XTS,
+ CIPHER_AES_CCM,
+ CIPHER_AES_CBC_CTS,
+ CIPHER_AES_ECB_CTS,
+ CIPHER_INVALID
+};
+
+/**
+ * struct crypto_keys - Crypto keys
+ * @key: Encryption key or KEY1 for AES-XTS
+ * @iv: Encryption IV or Tweak for AES-XTS
+ */
+struct crypto_keys {
+ union {
+ u8 key[AES_MAX_KEY_SIZE];
+ u8 key1[AES_MAX_KEY_SIZE];
+ } u;
+ u8 iv[AES_BLOCK_SIZE];
+};
+
+/**
+ * struct auth_keys - Authentication keys
+ * @ipad: IPAD or KEY2 for AES-XTS
+ * @opad: OPAD or AUTH KEY if auth_input_type = 1
+ */
+struct auth_keys {
+ union {
+ u8 ipad[64];
+ u8 key2[64];
+ } u;
+ u8 opad[64];
+};
+
+/**
+ * struct flexi_crypto_context - Crypto context
+ * @cipher_type: Encryption cipher type
+ * @aes_keylen: AES key length
+ * @iv_source: Encryption IV source
+ * @hash_type: Authentication type
+ * @auth_input_type: Authentication input type
+ * 1 - Authentication IV and KEY, microcode calculates OPAD/IPAD
+ * 0 - Authentication OPAD/IPAD
+ * @mac_len: mac length
+ * @crypto: Crypto keys
+ * @auth: Authentication keys
+ */
+struct flexi_crypto_context {
+ union {
+ __be64 flags;
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 cipher_type : 4;
+ u64 reserved_59 : 1;
+ u64 aes_keylen : 2;
+ u64 iv_source : 1;
+ u64 hash_type : 4;
+ u64 reserved_49_51 : 3;
+ u64 auth_input_type: 1;
+ u64 mac_len : 8;
+ u64 reserved_0_39 : 40;
+#else
+ u64 reserved_0_39 : 40;
+ u64 mac_len : 8;
+ u64 auth_input_type: 1;
+ u64 reserved_49_51 : 3;
+ u64 hash_type : 4;
+ u64 iv_source : 1;
+ u64 aes_keylen : 2;
+ u64 reserved_59 : 1;
+ u64 cipher_type : 4;
+#endif
+ } w0;
+ };
+
+ struct crypto_keys crypto;
+ struct auth_keys auth;
+};
+
+struct crypto_ctx_hdr {
+ struct dma_pool *pool;
+ dma_addr_t dma;
+ void *vaddr;
+};
+
+struct nitrox_crypto_ctx {
+ struct nitrox_device *ndev;
+ union {
+ u64 ctx_handle;
+ struct flexi_crypto_context *fctx;
+ } u;
+ struct crypto_ctx_hdr *chdr;
+};
+
+struct nitrox_kcrypt_request {
+ struct se_crypto_request creq;
+ struct nitrox_crypto_ctx *nctx;
+ struct skcipher_request *skreq;
+};
+
+/**
+ * struct pkt_instr_hdr - Packet Instruction Header
+ * @g: Gather used
+ * When [G] is set and [GSZ] != 0, the instruction is
+ * indirect gather instruction.
+ * When [G] is set and [GSZ] = 0, the instruction is
+ * direct gather instruction.
+ * @gsz: Number of pointers in the indirect gather list
+ * @ihi: When set hardware duplicates the 1st 8 bytes of pkt_instr_hdr
+ * and adds them to the packet after the pkt_instr_hdr but before any UDD
+ * @ssz: Not used by the input hardware. But can become slc_store_int[SSZ]
+ * when [IHI] is set.
+ * @fsz: The number of front data bytes directly included in the
+ * PCIe instruction.
+ * @tlen: The length of the input packet in bytes, include:
+ * - 16B pkt_hdr
+ * - Inline context bytes if any,
+ * - UDD if any,
+ * - packet payload bytes
+ */
+union pkt_instr_hdr {
+ u64 value;
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 raz_48_63 : 16;
+ u64 g : 1;
+ u64 gsz : 7;
+ u64 ihi : 1;
+ u64 ssz : 7;
+ u64 raz_30_31 : 2;
+ u64 fsz : 6;
+ u64 raz_16_23 : 8;
+ u64 tlen : 16;
+#else
+ u64 tlen : 16;
+ u64 raz_16_23 : 8;
+ u64 fsz : 6;
+ u64 raz_30_31 : 2;
+ u64 ssz : 7;
+ u64 ihi : 1;
+ u64 gsz : 7;
+ u64 g : 1;
+ u64 raz_48_63 : 16;
+#endif
+ } s;
+};
+
+/**
+ * struct pkt_hdr - Packet Input Header
+ * @opcode: Request opcode (Major)
+ * @arg: Request opcode (Minor)
+ * @ctxc: Context control.
+ * @unca: When set [UNC] is the uncertainty count for an input packet.
+ * The hardware uses uncertainty counts to predict
+ * output buffer use and avoid deadlock.
+ * @info: Not used by input hardware. Available for use
+ * during SE processing.
+ * @destport: The expected destination port/ring/channel for the packet.
+ * @unc: Uncertainty count for an input packet.
+ * @grp: SE group that will process the input packet.
+ * @ctxl: Context Length in 64-bit words.
+ * @uddl: User-defined data (UDD) length in bytes.
+ * @ctxp: Context pointer. CTXP<63,2:0> must be zero in all cases.
+ */
+union pkt_hdr {
+ u64 value[2];
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 opcode : 8;
+ u64 arg : 8;
+ u64 ctxc : 2;
+ u64 unca : 1;
+ u64 raz_44 : 1;
+ u64 info : 3;
+ u64 destport : 9;
+ u64 unc : 8;
+ u64 raz_19_23 : 5;
+ u64 grp : 3;
+ u64 raz_15 : 1;
+ u64 ctxl : 7;
+ u64 uddl : 8;
+#else
+ u64 uddl : 8;
+ u64 ctxl : 7;
+ u64 raz_15 : 1;
+ u64 grp : 3;
+ u64 raz_19_23 : 5;
+ u64 unc : 8;
+ u64 destport : 9;
+ u64 info : 3;
+ u64 raz_44 : 1;
+ u64 unca : 1;
+ u64 ctxc : 2;
+ u64 arg : 8;
+ u64 opcode : 8;
+#endif
+ __be64 ctxp;
+ } s;
+};
+
+/**
+ * struct slc_store_info - Solicited Paceket Output Store Information.
+ * @ssz: The number of scatterlist pointers for the solicited output port
+ * packet.
+ * @rptr: The result pointer for the solicited output port packet.
+ * If [SSZ]=0, [RPTR] must point directly to a buffer on the remote
+ * host that is large enough to hold the entire output packet.
+ * If [SSZ]!=0, [RPTR] must point to an array of ([SSZ]+3)/4
+ * sglist components at [RPTR] on the remote host.
+ */
+union slc_store_info {
+ u64 value[2];
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 raz_39_63 : 25;
+ u64 ssz : 7;
+ u64 raz_0_31 : 32;
+#else
+ u64 raz_0_31 : 32;
+ u64 ssz : 7;
+ u64 raz_39_63 : 25;
+#endif
+ __be64 rptr;
+ } s;
+};
+
+/**
+ * struct nps_pkt_instr - NPS Packet Instruction of SE cores.
+ * @dptr0 : Input pointer points to buffer in remote host.
+ * @ih: Packet Instruction Header (8 bytes)
+ * @irh: Packet Input Header (16 bytes)
+ * @slc: Solicited Packet Output Store Information (16 bytes)
+ * @fdata: Front data
+ *
+ * 64-Byte Instruction Format
+ */
+struct nps_pkt_instr {
+ __be64 dptr0;
+ union pkt_instr_hdr ih;
+ union pkt_hdr irh;
+ union slc_store_info slc;
+ u64 fdata[2];
+};
+
+/**
+ * struct ctx_hdr - Book keeping data about the crypto context
+ * @pool: Pool used to allocate crypto context
+ * @dma: Base DMA address of the cypto context
+ * @ctx_dma: Actual usable crypto context for NITROX
+ */
+struct ctx_hdr {
+ struct dma_pool *pool;
+ dma_addr_t dma;
+ dma_addr_t ctx_dma;
+};
+
+/*
+ * struct sglist_component - SG list component format
+ * @len0: The number of bytes at [PTR0] on the remote host.
+ * @len1: The number of bytes at [PTR1] on the remote host.
+ * @len2: The number of bytes at [PTR2] on the remote host.
+ * @len3: The number of bytes at [PTR3] on the remote host.
+ * @dma0: First pointer point to buffer in remote host.
+ * @dma1: Second pointer point to buffer in remote host.
+ * @dma2: Third pointer point to buffer in remote host.
+ * @dma3: Fourth pointer point to buffer in remote host.
+ */
+struct nitrox_sgcomp {
+ __be16 len[4];
+ __be64 dma[4];
+};
+
+/*
+ * strutct nitrox_sgtable - SG list information
+ * @map_cnt: Number of buffers mapped
+ * @nr_comp: Number of sglist components
+ * @total_bytes: Total bytes in sglist.
+ * @len: Total sglist components length.
+ * @dma: DMA address of sglist component.
+ * @dir: DMA direction.
+ * @buf: crypto request buffer.
+ * @sglist: SG list of input/output buffers.
+ * @sgcomp: sglist component for NITROX.
+ */
+struct nitrox_sgtable {
+ u8 map_bufs_cnt;
+ u8 nr_sgcomp;
+ u16 total_bytes;
+ u32 len;
+ dma_addr_t dma;
+ enum dma_data_direction dir;
+
+ struct scatterlist *buf;
+ struct nitrox_sglist *sglist;
+ struct nitrox_sgcomp *sgcomp;
+};
+
+/* Response Header Length */
+#define ORH_HLEN 8
+/* Completion bytes Length */
+#define COMP_HLEN 8
+
+struct resp_hdr {
+ u64 orh;
+ dma_addr_t orh_dma;
+ u64 completion;
+ dma_addr_t completion_dma;
+};
+
+typedef void (*completion_t)(struct skcipher_request *skreq, int err);
+
+/**
+ * struct nitrox_softreq - Represents the NIROX Request.
+ * @response: response list entry
+ * @backlog: Backlog list entry
+ * @ndev: Device used to submit the request
+ * @cmdq: Command queue for submission
+ * @resp: Response headers
+ * @instr: 64B instruction
+ * @in: SG table for input
+ * @out SG table for output
+ * @tstamp: Request submitted time in jiffies
+ * @callback: callback after request completion/timeout
+ * @cb_arg: callback argument
+ */
+struct nitrox_softreq {
+ struct list_head response;
+ struct list_head backlog;
+
+ u32 flags;
+ gfp_t gfp;
+ atomic_t status;
+ bool inplace;
+
+ struct nitrox_device *ndev;
+ struct nitrox_cmdq *cmdq;
+
+ struct nps_pkt_instr instr;
+ struct resp_hdr resp;
+ struct nitrox_sgtable in;
+ struct nitrox_sgtable out;
+
+ unsigned long tstamp;
+
+ completion_t callback;
+ struct skcipher_request *skreq;
+};
+
+#endif /* __NITROX_REQ_H */
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c
new file mode 100644
index 0000000..4adf281
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c
@@ -0,0 +1,743 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/gfp.h>
+#include <linux/workqueue.h>
+#include <crypto/internal/skcipher.h>
+
+#include "nitrox_dev.h"
+#include "nitrox_req.h"
+#include "nitrox_csr.h"
+#include "nitrox_req.h"
+
+/* SLC_STORE_INFO */
+#define MIN_UDD_LEN 16
+/* PKT_IN_HDR + SLC_STORE_INFO */
+#define FDATA_SIZE 32
+/* Base destination port for the solicited requests */
+#define SOLICIT_BASE_DPORT 256
+#define PENDING_SIG 0xFFFFFFFFFFFFFFFFUL
+
+#define REQ_NOT_POSTED 1
+#define REQ_BACKLOG 2
+#define REQ_POSTED 3
+
+/**
+ * Response codes from SE microcode
+ * 0x00 - Success
+ * Completion with no error
+ * 0x43 - ERR_GC_DATA_LEN_INVALID
+ * Invalid Data length if Encryption Data length is
+ * less than 16 bytes for AES-XTS and AES-CTS.
+ * 0x45 - ERR_GC_CTX_LEN_INVALID
+ * Invalid context length: CTXL != 23 words.
+ * 0x4F - ERR_GC_DOCSIS_CIPHER_INVALID
+ * DOCSIS support is enabled with other than
+ * AES/DES-CBC mode encryption.
+ * 0x50 - ERR_GC_DOCSIS_OFFSET_INVALID
+ * Authentication offset is other than 0 with
+ * Encryption IV source = 0.
+ * Authentication offset is other than 8 (DES)/16 (AES)
+ * with Encryption IV source = 1
+ * 0x51 - ERR_GC_CRC32_INVALID_SELECTION
+ * CRC32 is enabled for other than DOCSIS encryption.
+ * 0x52 - ERR_GC_AES_CCM_FLAG_INVALID
+ * Invalid flag options in AES-CCM IV.
+ */
+
+static inline int incr_index(int index, int count, int max)
+{
+ if ((index + count) >= max)
+ index = index + count - max;
+ else
+ index += count;
+
+ return index;
+}
+
+/**
+ * dma_free_sglist - unmap and free the sg lists.
+ * @ndev: N5 device
+ * @sgtbl: SG table
+ */
+static void softreq_unmap_sgbufs(struct nitrox_softreq *sr)
+{
+ struct nitrox_device *ndev = sr->ndev;
+ struct device *dev = DEV(ndev);
+ struct nitrox_sglist *sglist;
+
+ /* unmap in sgbuf */
+ sglist = sr->in.sglist;
+ if (!sglist)
+ goto out_unmap;
+
+ /* unmap iv */
+ dma_unmap_single(dev, sglist->dma, sglist->len, DMA_BIDIRECTIONAL);
+ /* unmpa src sglist */
+ dma_unmap_sg(dev, sr->in.buf, (sr->in.map_bufs_cnt - 1), sr->in.dir);
+ /* unamp gather component */
+ dma_unmap_single(dev, sr->in.dma, sr->in.len, DMA_TO_DEVICE);
+ kfree(sr->in.sglist);
+ kfree(sr->in.sgcomp);
+ sr->in.sglist = NULL;
+ sr->in.buf = NULL;
+ sr->in.map_bufs_cnt = 0;
+
+out_unmap:
+ /* unmap out sgbuf */
+ sglist = sr->out.sglist;
+ if (!sglist)
+ return;
+
+ /* unmap orh */
+ dma_unmap_single(dev, sr->resp.orh_dma, ORH_HLEN, sr->out.dir);
+
+ /* unmap dst sglist */
+ if (!sr->inplace) {
+ dma_unmap_sg(dev, sr->out.buf, (sr->out.map_bufs_cnt - 3),
+ sr->out.dir);
+ }
+ /* unmap completion */
+ dma_unmap_single(dev, sr->resp.completion_dma, COMP_HLEN, sr->out.dir);
+
+ /* unmap scatter component */
+ dma_unmap_single(dev, sr->out.dma, sr->out.len, DMA_TO_DEVICE);
+ kfree(sr->out.sglist);
+ kfree(sr->out.sgcomp);
+ sr->out.sglist = NULL;
+ sr->out.buf = NULL;
+ sr->out.map_bufs_cnt = 0;
+}
+
+static void softreq_destroy(struct nitrox_softreq *sr)
+{
+ softreq_unmap_sgbufs(sr);
+ kfree(sr);
+}
+
+/**
+ * create_sg_component - create SG componets for N5 device.
+ * @sr: Request structure
+ * @sgtbl: SG table
+ * @nr_comp: total number of components required
+ *
+ * Component structure
+ *
+ * 63 48 47 32 31 16 15 0
+ * --------------------------------------
+ * | LEN0 | LEN1 | LEN2 | LEN3 |
+ * |-------------------------------------
+ * | PTR0 |
+ * --------------------------------------
+ * | PTR1 |
+ * --------------------------------------
+ * | PTR2 |
+ * --------------------------------------
+ * | PTR3 |
+ * --------------------------------------
+ *
+ * Returns 0 if success or a negative errno code on error.
+ */
+static int create_sg_component(struct nitrox_softreq *sr,
+ struct nitrox_sgtable *sgtbl, int map_nents)
+{
+ struct nitrox_device *ndev = sr->ndev;
+ struct nitrox_sgcomp *sgcomp;
+ struct nitrox_sglist *sglist;
+ dma_addr_t dma;
+ size_t sz_comp;
+ int i, j, nr_sgcomp;
+
+ nr_sgcomp = roundup(map_nents, 4) / 4;
+
+ /* each component holds 4 dma pointers */
+ sz_comp = nr_sgcomp * sizeof(*sgcomp);
+ sgcomp = kzalloc(sz_comp, sr->gfp);
+ if (!sgcomp)
+ return -ENOMEM;
+
+ sgtbl->sgcomp = sgcomp;
+ sgtbl->nr_sgcomp = nr_sgcomp;
+
+ sglist = sgtbl->sglist;
+ /* populate device sg component */
+ for (i = 0; i < nr_sgcomp; i++) {
+ for (j = 0; j < 4; j++) {
+ sgcomp->len[j] = cpu_to_be16(sglist->len);
+ sgcomp->dma[j] = cpu_to_be64(sglist->dma);
+ sglist++;
+ }
+ sgcomp++;
+ }
+ /* map the device sg component */
+ dma = dma_map_single(DEV(ndev), sgtbl->sgcomp, sz_comp, DMA_TO_DEVICE);
+ if (dma_mapping_error(DEV(ndev), dma)) {
+ kfree(sgtbl->sgcomp);
+ sgtbl->sgcomp = NULL;
+ return -ENOMEM;
+ }
+
+ sgtbl->dma = dma;
+ sgtbl->len = sz_comp;
+
+ return 0;
+}
+
+/**
+ * dma_map_inbufs - DMA map input sglist and creates sglist component
+ * for N5 device.
+ * @sr: Request structure
+ * @req: Crypto request structre
+ *
+ * Returns 0 if successful or a negative errno code on error.
+ */
+static int dma_map_inbufs(struct nitrox_softreq *sr,
+ struct se_crypto_request *req)
+{
+ struct device *dev = DEV(sr->ndev);
+ struct scatterlist *sg = req->src;
+ struct nitrox_sglist *glist;
+ int i, nents, ret = 0;
+ dma_addr_t dma;
+ size_t sz;
+
+ nents = sg_nents(req->src);
+
+ /* creater gather list IV and src entries */
+ sz = roundup((1 + nents), 4) * sizeof(*glist);
+ glist = kzalloc(sz, sr->gfp);
+ if (!glist)
+ return -ENOMEM;
+
+ sr->in.sglist = glist;
+ /* map IV */
+ dma = dma_map_single(dev, &req->iv, req->ivsize, DMA_BIDIRECTIONAL);
+ if (dma_mapping_error(dev, dma)) {
+ ret = -EINVAL;
+ goto iv_map_err;
+ }
+
+ sr->in.dir = (req->src == req->dst) ? DMA_BIDIRECTIONAL : DMA_TO_DEVICE;
+ /* map src entries */
+ nents = dma_map_sg(dev, req->src, nents, sr->in.dir);
+ if (!nents) {
+ ret = -EINVAL;
+ goto src_map_err;
+ }
+ sr->in.buf = req->src;
+
+ /* store the mappings */
+ glist->len = req->ivsize;
+ glist->dma = dma;
+ glist++;
+ sr->in.total_bytes += req->ivsize;
+
+ for_each_sg(req->src, sg, nents, i) {
+ glist->len = sg_dma_len(sg);
+ glist->dma = sg_dma_address(sg);
+ sr->in.total_bytes += glist->len;
+ glist++;
+ }
+ /* roundup map count to align with entires in sg component */
+ sr->in.map_bufs_cnt = (1 + nents);
+
+ /* create NITROX gather component */
+ ret = create_sg_component(sr, &sr->in, sr->in.map_bufs_cnt);
+ if (ret)
+ goto incomp_err;
+
+ return 0;
+
+incomp_err:
+ dma_unmap_sg(dev, req->src, nents, sr->in.dir);
+ sr->in.map_bufs_cnt = 0;
+src_map_err:
+ dma_unmap_single(dev, dma, req->ivsize, DMA_BIDIRECTIONAL);
+iv_map_err:
+ kfree(sr->in.sglist);
+ sr->in.sglist = NULL;
+ return ret;
+}
+
+static int dma_map_outbufs(struct nitrox_softreq *sr,
+ struct se_crypto_request *req)
+{
+ struct device *dev = DEV(sr->ndev);
+ struct nitrox_sglist *glist = sr->in.sglist;
+ struct nitrox_sglist *slist;
+ struct scatterlist *sg;
+ int i, nents, map_bufs_cnt, ret = 0;
+ size_t sz;
+
+ nents = sg_nents(req->dst);
+
+ /* create scatter list ORH, IV, dst entries and Completion header */
+ sz = roundup((3 + nents), 4) * sizeof(*slist);
+ slist = kzalloc(sz, sr->gfp);
+ if (!slist)
+ return -ENOMEM;
+
+ sr->out.sglist = slist;
+ sr->out.dir = DMA_BIDIRECTIONAL;
+ /* map ORH */
+ sr->resp.orh_dma = dma_map_single(dev, &sr->resp.orh, ORH_HLEN,
+ sr->out.dir);
+ if (dma_mapping_error(dev, sr->resp.orh_dma)) {
+ ret = -EINVAL;
+ goto orh_map_err;
+ }
+
+ /* map completion */
+ sr->resp.completion_dma = dma_map_single(dev, &sr->resp.completion,
+ COMP_HLEN, sr->out.dir);
+ if (dma_mapping_error(dev, sr->resp.completion_dma)) {
+ ret = -EINVAL;
+ goto compl_map_err;
+ }
+
+ sr->inplace = (req->src == req->dst) ? true : false;
+ /* out place */
+ if (!sr->inplace) {
+ nents = dma_map_sg(dev, req->dst, nents, sr->out.dir);
+ if (!nents) {
+ ret = -EINVAL;
+ goto dst_map_err;
+ }
+ }
+ sr->out.buf = req->dst;
+
+ /* store the mappings */
+ /* orh */
+ slist->len = ORH_HLEN;
+ slist->dma = sr->resp.orh_dma;
+ slist++;
+
+ /* copy the glist mappings */
+ if (sr->inplace) {
+ nents = sr->in.map_bufs_cnt - 1;
+ map_bufs_cnt = sr->in.map_bufs_cnt;
+ while (map_bufs_cnt--) {
+ slist->len = glist->len;
+ slist->dma = glist->dma;
+ slist++;
+ glist++;
+ }
+ } else {
+ /* copy iv mapping */
+ slist->len = glist->len;
+ slist->dma = glist->dma;
+ slist++;
+ /* copy remaining maps */
+ for_each_sg(req->dst, sg, nents, i) {
+ slist->len = sg_dma_len(sg);
+ slist->dma = sg_dma_address(sg);
+ slist++;
+ }
+ }
+
+ /* completion */
+ slist->len = COMP_HLEN;
+ slist->dma = sr->resp.completion_dma;
+
+ sr->out.map_bufs_cnt = (3 + nents);
+
+ ret = create_sg_component(sr, &sr->out, sr->out.map_bufs_cnt);
+ if (ret)
+ goto outcomp_map_err;
+
+ return 0;
+
+outcomp_map_err:
+ if (!sr->inplace)
+ dma_unmap_sg(dev, req->dst, nents, sr->out.dir);
+ sr->out.map_bufs_cnt = 0;
+ sr->out.buf = NULL;
+dst_map_err:
+ dma_unmap_single(dev, sr->resp.completion_dma, COMP_HLEN, sr->out.dir);
+ sr->resp.completion_dma = 0;
+compl_map_err:
+ dma_unmap_single(dev, sr->resp.orh_dma, ORH_HLEN, sr->out.dir);
+ sr->resp.orh_dma = 0;
+orh_map_err:
+ kfree(sr->out.sglist);
+ sr->out.sglist = NULL;
+ return ret;
+}
+
+static inline int softreq_map_iobuf(struct nitrox_softreq *sr,
+ struct se_crypto_request *creq)
+{
+ int ret;
+
+ ret = dma_map_inbufs(sr, creq);
+ if (ret)
+ return ret;
+
+ ret = dma_map_outbufs(sr, creq);
+ if (ret)
+ softreq_unmap_sgbufs(sr);
+
+ return ret;
+}
+
+static inline void backlog_list_add(struct nitrox_softreq *sr,
+ struct nitrox_cmdq *cmdq)
+{
+ INIT_LIST_HEAD(&sr->backlog);
+
+ spin_lock_bh(&cmdq->backlog_lock);
+ list_add_tail(&sr->backlog, &cmdq->backlog_head);
+ atomic_inc(&cmdq->backlog_count);
+ atomic_set(&sr->status, REQ_BACKLOG);
+ spin_unlock_bh(&cmdq->backlog_lock);
+}
+
+static inline void response_list_add(struct nitrox_softreq *sr,
+ struct nitrox_cmdq *cmdq)
+{
+ INIT_LIST_HEAD(&sr->response);
+
+ spin_lock_bh(&cmdq->response_lock);
+ list_add_tail(&sr->response, &cmdq->response_head);
+ spin_unlock_bh(&cmdq->response_lock);
+}
+
+static inline void response_list_del(struct nitrox_softreq *sr,
+ struct nitrox_cmdq *cmdq)
+{
+ spin_lock_bh(&cmdq->response_lock);
+ list_del(&sr->response);
+ spin_unlock_bh(&cmdq->response_lock);
+}
+
+static struct nitrox_softreq *
+get_first_response_entry(struct nitrox_cmdq *cmdq)
+{
+ return list_first_entry_or_null(&cmdq->response_head,
+ struct nitrox_softreq, response);
+}
+
+static inline bool cmdq_full(struct nitrox_cmdq *cmdq, int qlen)
+{
+ if (atomic_inc_return(&cmdq->pending_count) > qlen) {
+ atomic_dec(&cmdq->pending_count);
+ /* sync with other cpus */
+ smp_mb__after_atomic();
+ return true;
+ }
+ return false;
+}
+
+/**
+ * post_se_instr - Post SE instruction to Packet Input ring
+ * @sr: Request structure
+ *
+ * Returns 0 if successful or a negative error code,
+ * if no space in ring.
+ */
+static void post_se_instr(struct nitrox_softreq *sr,
+ struct nitrox_cmdq *cmdq)
+{
+ struct nitrox_device *ndev = sr->ndev;
+ int idx;
+ u8 *ent;
+
+ spin_lock_bh(&cmdq->cmdq_lock);
+
+ idx = cmdq->write_idx;
+ /* copy the instruction */
+ ent = cmdq->head + (idx * cmdq->instr_size);
+ memcpy(ent, &sr->instr, cmdq->instr_size);
+
+ atomic_set(&sr->status, REQ_POSTED);
+ response_list_add(sr, cmdq);
+ sr->tstamp = jiffies;
+ /* flush the command queue updates */
+ dma_wmb();
+
+ /* Ring doorbell with count 1 */
+ writeq(1, cmdq->dbell_csr_addr);
+ /* orders the doorbell rings */
+ mmiowb();
+
+ cmdq->write_idx = incr_index(idx, 1, ndev->qlen);
+
+ spin_unlock_bh(&cmdq->cmdq_lock);
+}
+
+static int post_backlog_cmds(struct nitrox_cmdq *cmdq)
+{
+ struct nitrox_device *ndev = cmdq->ndev;
+ struct nitrox_softreq *sr, *tmp;
+ int ret = 0;
+
+ if (!atomic_read(&cmdq->backlog_count))
+ return 0;
+
+ spin_lock_bh(&cmdq->backlog_lock);
+
+ list_for_each_entry_safe(sr, tmp, &cmdq->backlog_head, backlog) {
+ struct skcipher_request *skreq;
+
+ /* submit until space available */
+ if (unlikely(cmdq_full(cmdq, ndev->qlen))) {
+ ret = -ENOSPC;
+ break;
+ }
+ /* delete from backlog list */
+ list_del(&sr->backlog);
+ atomic_dec(&cmdq->backlog_count);
+ /* sync with other cpus */
+ smp_mb__after_atomic();
+
+ skreq = sr->skreq;
+ /* post the command */
+ post_se_instr(sr, cmdq);
+
+ /* backlog requests are posted, wakeup with -EINPROGRESS */
+ skcipher_request_complete(skreq, -EINPROGRESS);
+ }
+ spin_unlock_bh(&cmdq->backlog_lock);
+
+ return ret;
+}
+
+static int nitrox_enqueue_request(struct nitrox_softreq *sr)
+{
+ struct nitrox_cmdq *cmdq = sr->cmdq;
+ struct nitrox_device *ndev = sr->ndev;
+
+ /* try to post backlog requests */
+ post_backlog_cmds(cmdq);
+
+ if (unlikely(cmdq_full(cmdq, ndev->qlen))) {
+ if (!(sr->flags & CRYPTO_TFM_REQ_MAY_BACKLOG))
+ return -ENOSPC;
+ /* add to backlog list */
+ backlog_list_add(sr, cmdq);
+ return -EBUSY;
+ }
+ post_se_instr(sr, cmdq);
+
+ return -EINPROGRESS;
+}
+
+/**
+ * nitrox_se_request - Send request to SE core
+ * @ndev: NITROX device
+ * @req: Crypto request
+ *
+ * Returns 0 on success, or a negative error code.
+ */
+int nitrox_process_se_request(struct nitrox_device *ndev,
+ struct se_crypto_request *req,
+ completion_t callback,
+ struct skcipher_request *skreq)
+{
+ struct nitrox_softreq *sr;
+ dma_addr_t ctx_handle = 0;
+ int qno, ret = 0;
+
+ if (!nitrox_ready(ndev))
+ return -ENODEV;
+
+ sr = kzalloc(sizeof(*sr), req->gfp);
+ if (!sr)
+ return -ENOMEM;
+
+ sr->ndev = ndev;
+ sr->flags = req->flags;
+ sr->gfp = req->gfp;
+ sr->callback = callback;
+ sr->skreq = skreq;
+
+ atomic_set(&sr->status, REQ_NOT_POSTED);
+
+ WRITE_ONCE(sr->resp.orh, PENDING_SIG);
+ WRITE_ONCE(sr->resp.completion, PENDING_SIG);
+
+ ret = softreq_map_iobuf(sr, req);
+ if (ret) {
+ kfree(sr);
+ return ret;
+ }
+
+ /* get the context handle */
+ if (req->ctx_handle) {
+ struct ctx_hdr *hdr;
+ u8 *ctx_ptr;
+
+ ctx_ptr = (u8 *)(uintptr_t)req->ctx_handle;
+ hdr = (struct ctx_hdr *)(ctx_ptr - sizeof(struct ctx_hdr));
+ ctx_handle = hdr->ctx_dma;
+ }
+
+ /* select the queue */
+ qno = smp_processor_id() % ndev->nr_queues;
+
+ sr->cmdq = &ndev->pkt_cmdqs[qno];
+
+ /*
+ * 64-Byte Instruction Format
+ *
+ * ----------------------
+ * | DPTR0 | 8 bytes
+ * ----------------------
+ * | PKT_IN_INSTR_HDR | 8 bytes
+ * ----------------------
+ * | PKT_IN_HDR | 16 bytes
+ * ----------------------
+ * | SLC_INFO | 16 bytes
+ * ----------------------
+ * | Front data | 16 bytes
+ * ----------------------
+ */
+
+ /* fill the packet instruction */
+ /* word 0 */
+ sr->instr.dptr0 = cpu_to_be64(sr->in.dma);
+
+ /* word 1 */
+ sr->instr.ih.value = 0;
+ sr->instr.ih.s.g = 1;
+ sr->instr.ih.s.gsz = sr->in.map_bufs_cnt;
+ sr->instr.ih.s.ssz = sr->out.map_bufs_cnt;
+ sr->instr.ih.s.fsz = FDATA_SIZE + sizeof(struct gphdr);
+ sr->instr.ih.s.tlen = sr->instr.ih.s.fsz + sr->in.total_bytes;
+ sr->instr.ih.value = cpu_to_be64(sr->instr.ih.value);
+
+ /* word 2 */
+ sr->instr.irh.value[0] = 0;
+ sr->instr.irh.s.uddl = MIN_UDD_LEN;
+ /* context length in 64-bit words */
+ sr->instr.irh.s.ctxl = (req->ctrl.s.ctxl / 8);
+ /* offset from solicit base port 256 */
+ sr->instr.irh.s.destport = SOLICIT_BASE_DPORT + qno;
+ sr->instr.irh.s.ctxc = req->ctrl.s.ctxc;
+ sr->instr.irh.s.arg = req->ctrl.s.arg;
+ sr->instr.irh.s.opcode = req->opcode;
+ sr->instr.irh.value[0] = cpu_to_be64(sr->instr.irh.value[0]);
+
+ /* word 3 */
+ sr->instr.irh.s.ctxp = cpu_to_be64(ctx_handle);
+
+ /* word 4 */
+ sr->instr.slc.value[0] = 0;
+ sr->instr.slc.s.ssz = sr->out.map_bufs_cnt;
+ sr->instr.slc.value[0] = cpu_to_be64(sr->instr.slc.value[0]);
+
+ /* word 5 */
+ sr->instr.slc.s.rptr = cpu_to_be64(sr->out.dma);
+
+ /*
+ * No conversion for front data,
+ * It goes into payload
+ * put GP Header in front data
+ */
+ sr->instr.fdata[0] = *((u64 *)&req->gph);
+ sr->instr.fdata[1] = 0;
+
+ ret = nitrox_enqueue_request(sr);
+ if (ret == -ENOSPC)
+ goto send_fail;
+
+ return ret;
+
+send_fail:
+ softreq_destroy(sr);
+ return ret;
+}
+
+static inline int cmd_timeout(unsigned long tstamp, unsigned long timeout)
+{
+ return time_after_eq(jiffies, (tstamp + timeout));
+}
+
+void backlog_qflush_work(struct work_struct *work)
+{
+ struct nitrox_cmdq *cmdq;
+
+ cmdq = container_of(work, struct nitrox_cmdq, backlog_qflush);
+ post_backlog_cmds(cmdq);
+}
+
+/**
+ * process_request_list - process completed requests
+ * @ndev: N5 device
+ * @qno: queue to operate
+ *
+ * Returns the number of responses processed.
+ */
+static void process_response_list(struct nitrox_cmdq *cmdq)
+{
+ struct nitrox_device *ndev = cmdq->ndev;
+ struct nitrox_softreq *sr;
+ struct skcipher_request *skreq;
+ completion_t callback;
+ int req_completed = 0, err = 0, budget;
+
+ /* check all pending requests */
+ budget = atomic_read(&cmdq->pending_count);
+
+ while (req_completed < budget) {
+ sr = get_first_response_entry(cmdq);
+ if (!sr)
+ break;
+
+ if (atomic_read(&sr->status) != REQ_POSTED)
+ break;
+
+ /* check orh and completion bytes updates */
+ if (READ_ONCE(sr->resp.orh) == READ_ONCE(sr->resp.completion)) {
+ /* request not completed, check for timeout */
+ if (!cmd_timeout(sr->tstamp, ndev->timeout))
+ break;
+ dev_err_ratelimited(DEV(ndev),
+ "Request timeout, orh 0x%016llx\n",
+ READ_ONCE(sr->resp.orh));
+ }
+ atomic_dec(&cmdq->pending_count);
+ /* sync with other cpus */
+ smp_mb__after_atomic();
+ /* remove from response list */
+ response_list_del(sr, cmdq);
+
+ callback = sr->callback;
+ skreq = sr->skreq;
+
+ /* ORH error code */
+ err = READ_ONCE(sr->resp.orh) & 0xff;
+ softreq_destroy(sr);
+
+ if (callback)
+ callback(skreq, err);
+
+ req_completed++;
+ }
+}
+
+/**
+ * pkt_slc_resp_handler - post processing of SE responses
+ */
+void pkt_slc_resp_handler(unsigned long data)
+{
+ struct bh_data *bh = (void *)(uintptr_t)(data);
+ struct nitrox_cmdq *cmdq = bh->cmdq;
+ union nps_pkt_slc_cnts pkt_slc_cnts;
+
+ /* read completion count */
+ pkt_slc_cnts.value = readq(bh->completion_cnt_csr_addr);
+ /* resend the interrupt if more work to do */
+ pkt_slc_cnts.s.resend = 1;
+
+ process_response_list(cmdq);
+
+ /*
+ * clear the interrupt with resend bit enabled,
+ * MSI-X interrupt generates if Completion count > Threshold
+ */
+ writeq(pkt_slc_cnts.value, bh->completion_cnt_csr_addr);
+ /* order the writes */
+ mmiowb();
+
+ if (atomic_read(&cmdq->backlog_count))
+ schedule_work(&cmdq->backlog_qflush);
+}
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/Makefile b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/Makefile
new file mode 100644
index 0000000..020d189
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/Makefile
@@ -0,0 +1,12 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for Cavium's ZIP Driver.
+#
+
+obj-$(CONFIG_CRYPTO_DEV_CAVIUM_ZIP) += thunderx_zip.o
+thunderx_zip-y := zip_main.o \
+ zip_device.o \
+ zip_crypto.o \
+ zip_mem.o \
+ zip_deflate.o \
+ zip_inflate.o
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/common.h b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/common.h
new file mode 100644
index 0000000..58fb3ed
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/common.h
@@ -0,0 +1,223 @@
+/***********************license start************************************
+ * Copyright (c) 2003-2017 Cavium, Inc.
+ * All rights reserved.
+ *
+ * License: one of 'Cavium License' or 'GNU General Public License Version 2'
+ *
+ * This file is provided under the terms of the Cavium License (see below)
+ * or under the terms of GNU General Public License, Version 2, as
+ * published by the Free Software Foundation. When using or redistributing
+ * this file, you may do so under either license.
+ *
+ * Cavium License: Redistribution and use in source and binary forms, with
+ * or without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * * Neither the name of Cavium Inc. nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * This Software, including technical data, may be subject to U.S. export
+ * control laws, including the U.S. Export Administration Act and its
+ * associated regulations, and may be subject to export or import
+ * regulations in other countries.
+ *
+ * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+ * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS
+ * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
+ * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
+ * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
+ * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY)
+ * WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
+ * PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET
+ * ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE
+ * ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES
+ * WITH YOU.
+ ***********************license end**************************************/
+
+#ifndef __COMMON_H__
+#define __COMMON_H__
+
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/seq_file.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/version.h>
+
+/* Device specific zlib function definitions */
+#include "zip_device.h"
+
+/* ZIP device definitions */
+#include "zip_main.h"
+
+/* ZIP memory allocation/deallocation related definitions */
+#include "zip_mem.h"
+
+/* Device specific structure definitions */
+#include "zip_regs.h"
+
+#define ZIP_ERROR -1
+
+#define ZIP_FLUSH_FINISH 4
+
+#define RAW_FORMAT 0 /* for rawpipe */
+#define ZLIB_FORMAT 1 /* for zpipe */
+#define GZIP_FORMAT 2 /* for gzpipe */
+#define LZS_FORMAT 3 /* for lzspipe */
+
+/* Max number of ZIP devices supported */
+#define MAX_ZIP_DEVICES 2
+
+/* Configures the number of zip queues to be used */
+#define ZIP_NUM_QUEUES 2
+
+#define DYNAMIC_STOP_EXCESS 1024
+
+/* Maximum buffer sizes in direct mode */
+#define MAX_INPUT_BUFFER_SIZE (64 * 1024)
+#define MAX_OUTPUT_BUFFER_SIZE (64 * 1024)
+
+/**
+ * struct zip_operation - common data structure for comp and decomp operations
+ * @input: Next input byte is read from here
+ * @output: Next output byte written here
+ * @ctx_addr: Inflate context buffer address
+ * @history: Pointer to the history buffer
+ * @input_len: Number of bytes available at next_in
+ * @input_total_len: Total number of input bytes read
+ * @output_len: Remaining free space at next_out
+ * @output_total_len: Total number of bytes output so far
+ * @csum: Checksum value of the uncompressed data
+ * @flush: Flush flag
+ * @format: Format (depends on stream's wrap)
+ * @speed: Speed depends on stream's level
+ * @ccode: Compression code ( stream's strategy)
+ * @lzs_flag: Flag for LZS support
+ * @begin_file: Beginning of file indication for inflate
+ * @history_len: Size of the history data
+ * @end_file: Ending of the file indication for inflate
+ * @compcode: Completion status of the ZIP invocation
+ * @bytes_read: Input bytes read in current instruction
+ * @bits_processed: Total bits processed for entire file
+ * @sizeofptr: To distinguish between ILP32 and LP64
+ * @sizeofzops: Optional just for padding
+ *
+ * This structure is used to maintain the required meta data for the
+ * comp and decomp operations.
+ */
+struct zip_operation {
+ u8 *input;
+ u8 *output;
+ u64 ctx_addr;
+ u64 history;
+
+ u32 input_len;
+ u32 input_total_len;
+
+ u32 output_len;
+ u32 output_total_len;
+
+ u32 csum;
+ u32 flush;
+
+ u32 format;
+ u32 speed;
+ u32 ccode;
+ u32 lzs_flag;
+
+ u32 begin_file;
+ u32 history_len;
+
+ u32 end_file;
+ u32 compcode;
+ u32 bytes_read;
+ u32 bits_processed;
+
+ u32 sizeofptr;
+ u32 sizeofzops;
+};
+
+static inline int zip_poll_result(union zip_zres_s *result)
+{
+ int retries = 1000;
+
+ while (!result->s.compcode) {
+ if (!--retries) {
+ pr_err("ZIP ERR: request timed out");
+ return -ETIMEDOUT;
+ }
+ udelay(10);
+ /*
+ * Force re-reading of compcode which is updated
+ * by the ZIP coprocessor.
+ */
+ rmb();
+ }
+ return 0;
+}
+
+/* error messages */
+#define zip_err(fmt, args...) pr_err("ZIP ERR:%s():%d: " \
+ fmt "\n", __func__, __LINE__, ## args)
+
+#ifdef MSG_ENABLE
+/* Enable all messages */
+#define zip_msg(fmt, args...) pr_info("ZIP_MSG:" fmt "\n", ## args)
+#else
+#define zip_msg(fmt, args...)
+#endif
+
+#if defined(ZIP_DEBUG_ENABLE) && defined(MSG_ENABLE)
+
+#ifdef DEBUG_LEVEL
+
+#define FILE_NAME (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : \
+ strrchr(__FILE__, '\\') ? strrchr(__FILE__, '\\') + 1 : __FILE__)
+
+#if DEBUG_LEVEL >= 4
+
+#define zip_dbg(fmt, args...) pr_info("ZIP DBG: %s: %s() : %d: " \
+ fmt "\n", FILE_NAME, __func__, __LINE__, ## args)
+
+#elif DEBUG_LEVEL >= 3
+
+#define zip_dbg(fmt, args...) pr_info("ZIP DBG: %s: %s() : %d: " \
+ fmt "\n", FILE_NAME, __func__, __LINE__, ## args)
+
+#elif DEBUG_LEVEL >= 2
+
+#define zip_dbg(fmt, args...) pr_info("ZIP DBG: %s() : %d: " \
+ fmt "\n", __func__, __LINE__, ## args)
+
+#else
+
+#define zip_dbg(fmt, args...) pr_info("ZIP DBG:" fmt "\n", ## args)
+
+#endif /* DEBUG LEVEL >=4 */
+
+#else
+
+#define zip_dbg(fmt, args...) pr_info("ZIP DBG:" fmt "\n", ## args)
+
+#endif /* DEBUG_LEVEL */
+#else
+
+#define zip_dbg(fmt, args...)
+
+#endif /* ZIP_DEBUG_ENABLE && MSG_ENABLE*/
+
+#endif
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_crypto.c b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_crypto.c
new file mode 100644
index 0000000..b92b6e7
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_crypto.c
@@ -0,0 +1,319 @@
+/***********************license start************************************
+ * Copyright (c) 2003-2017 Cavium, Inc.
+ * All rights reserved.
+ *
+ * License: one of 'Cavium License' or 'GNU General Public License Version 2'
+ *
+ * This file is provided under the terms of the Cavium License (see below)
+ * or under the terms of GNU General Public License, Version 2, as
+ * published by the Free Software Foundation. When using or redistributing
+ * this file, you may do so under either license.
+ *
+ * Cavium License: Redistribution and use in source and binary forms, with
+ * or without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * * Neither the name of Cavium Inc. nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * This Software, including technical data, may be subject to U.S. export
+ * control laws, including the U.S. Export Administration Act and its
+ * associated regulations, and may be subject to export or import
+ * regulations in other countries.
+ *
+ * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+ * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS
+ * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
+ * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
+ * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
+ * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY)
+ * WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
+ * PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET
+ * ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE
+ * ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES
+ * WITH YOU.
+ ***********************license end**************************************/
+
+#include "zip_crypto.h"
+
+static void zip_static_init_zip_ops(struct zip_operation *zip_ops,
+ int lzs_flag)
+{
+ zip_ops->flush = ZIP_FLUSH_FINISH;
+
+ /* equivalent to level 6 of opensource zlib */
+ zip_ops->speed = 1;
+
+ if (!lzs_flag) {
+ zip_ops->ccode = 0; /* Auto Huffman */
+ zip_ops->lzs_flag = 0;
+ zip_ops->format = ZLIB_FORMAT;
+ } else {
+ zip_ops->ccode = 3; /* LZS Encoding */
+ zip_ops->lzs_flag = 1;
+ zip_ops->format = LZS_FORMAT;
+ }
+ zip_ops->begin_file = 1;
+ zip_ops->history_len = 0;
+ zip_ops->end_file = 1;
+ zip_ops->compcode = 0;
+ zip_ops->csum = 1; /* Adler checksum desired */
+}
+
+int zip_ctx_init(struct zip_kernel_ctx *zip_ctx, int lzs_flag)
+{
+ struct zip_operation *comp_ctx = &zip_ctx->zip_comp;
+ struct zip_operation *decomp_ctx = &zip_ctx->zip_decomp;
+
+ zip_static_init_zip_ops(comp_ctx, lzs_flag);
+ zip_static_init_zip_ops(decomp_ctx, lzs_flag);
+
+ comp_ctx->input = zip_data_buf_alloc(MAX_INPUT_BUFFER_SIZE);
+ if (!comp_ctx->input)
+ return -ENOMEM;
+
+ comp_ctx->output = zip_data_buf_alloc(MAX_OUTPUT_BUFFER_SIZE);
+ if (!comp_ctx->output)
+ goto err_comp_input;
+
+ decomp_ctx->input = zip_data_buf_alloc(MAX_INPUT_BUFFER_SIZE);
+ if (!decomp_ctx->input)
+ goto err_comp_output;
+
+ decomp_ctx->output = zip_data_buf_alloc(MAX_OUTPUT_BUFFER_SIZE);
+ if (!decomp_ctx->output)
+ goto err_decomp_input;
+
+ return 0;
+
+err_decomp_input:
+ zip_data_buf_free(decomp_ctx->input, MAX_INPUT_BUFFER_SIZE);
+
+err_comp_output:
+ zip_data_buf_free(comp_ctx->output, MAX_OUTPUT_BUFFER_SIZE);
+
+err_comp_input:
+ zip_data_buf_free(comp_ctx->input, MAX_INPUT_BUFFER_SIZE);
+
+ return -ENOMEM;
+}
+
+void zip_ctx_exit(struct zip_kernel_ctx *zip_ctx)
+{
+ struct zip_operation *comp_ctx = &zip_ctx->zip_comp;
+ struct zip_operation *dec_ctx = &zip_ctx->zip_decomp;
+
+ zip_data_buf_free(comp_ctx->input, MAX_INPUT_BUFFER_SIZE);
+ zip_data_buf_free(comp_ctx->output, MAX_OUTPUT_BUFFER_SIZE);
+
+ zip_data_buf_free(dec_ctx->input, MAX_INPUT_BUFFER_SIZE);
+ zip_data_buf_free(dec_ctx->output, MAX_OUTPUT_BUFFER_SIZE);
+}
+
+int zip_compress(const u8 *src, unsigned int slen,
+ u8 *dst, unsigned int *dlen,
+ struct zip_kernel_ctx *zip_ctx)
+{
+ struct zip_operation *zip_ops = NULL;
+ struct zip_state *zip_state;
+ struct zip_device *zip = NULL;
+ int ret;
+
+ if (!zip_ctx || !src || !dst || !dlen)
+ return -ENOMEM;
+
+ zip = zip_get_device(zip_get_node_id());
+ if (!zip)
+ return -ENODEV;
+
+ zip_state = kzalloc(sizeof(*zip_state), GFP_ATOMIC);
+ if (!zip_state)
+ return -ENOMEM;
+
+ zip_ops = &zip_ctx->zip_comp;
+
+ zip_ops->input_len = slen;
+ zip_ops->output_len = *dlen;
+ memcpy(zip_ops->input, src, slen);
+
+ ret = zip_deflate(zip_ops, zip_state, zip);
+
+ if (!ret) {
+ *dlen = zip_ops->output_len;
+ memcpy(dst, zip_ops->output, *dlen);
+ }
+ kfree(zip_state);
+ return ret;
+}
+
+int zip_decompress(const u8 *src, unsigned int slen,
+ u8 *dst, unsigned int *dlen,
+ struct zip_kernel_ctx *zip_ctx)
+{
+ struct zip_operation *zip_ops = NULL;
+ struct zip_state *zip_state;
+ struct zip_device *zip = NULL;
+ int ret;
+
+ if (!zip_ctx || !src || !dst || !dlen)
+ return -ENOMEM;
+
+ zip = zip_get_device(zip_get_node_id());
+ if (!zip)
+ return -ENODEV;
+
+ zip_state = kzalloc(sizeof(*zip_state), GFP_ATOMIC);
+ if (!zip_state)
+ return -ENOMEM;
+
+ zip_ops = &zip_ctx->zip_decomp;
+ memcpy(zip_ops->input, src, slen);
+
+ /* Work around for a bug in zlib which needs an extra bytes sometimes */
+ if (zip_ops->ccode != 3) /* Not LZS Encoding */
+ zip_ops->input[slen++] = 0;
+
+ zip_ops->input_len = slen;
+ zip_ops->output_len = *dlen;
+
+ ret = zip_inflate(zip_ops, zip_state, zip);
+
+ if (!ret) {
+ *dlen = zip_ops->output_len;
+ memcpy(dst, zip_ops->output, *dlen);
+ }
+ kfree(zip_state);
+ return ret;
+}
+
+/* Legacy Compress framework start */
+int zip_alloc_comp_ctx_deflate(struct crypto_tfm *tfm)
+{
+ int ret;
+ struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm);
+
+ ret = zip_ctx_init(zip_ctx, 0);
+
+ return ret;
+}
+
+int zip_alloc_comp_ctx_lzs(struct crypto_tfm *tfm)
+{
+ int ret;
+ struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm);
+
+ ret = zip_ctx_init(zip_ctx, 1);
+
+ return ret;
+}
+
+void zip_free_comp_ctx(struct crypto_tfm *tfm)
+{
+ struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm);
+
+ zip_ctx_exit(zip_ctx);
+}
+
+int zip_comp_compress(struct crypto_tfm *tfm,
+ const u8 *src, unsigned int slen,
+ u8 *dst, unsigned int *dlen)
+{
+ int ret;
+ struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm);
+
+ ret = zip_compress(src, slen, dst, dlen, zip_ctx);
+
+ return ret;
+}
+
+int zip_comp_decompress(struct crypto_tfm *tfm,
+ const u8 *src, unsigned int slen,
+ u8 *dst, unsigned int *dlen)
+{
+ int ret;
+ struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm);
+
+ ret = zip_decompress(src, slen, dst, dlen, zip_ctx);
+
+ return ret;
+} /* Legacy compress framework end */
+
+/* SCOMP framework start */
+void *zip_alloc_scomp_ctx_deflate(struct crypto_scomp *tfm)
+{
+ int ret;
+ struct zip_kernel_ctx *zip_ctx;
+
+ zip_ctx = kzalloc(sizeof(*zip_ctx), GFP_KERNEL);
+ if (!zip_ctx)
+ return ERR_PTR(-ENOMEM);
+
+ ret = zip_ctx_init(zip_ctx, 0);
+
+ if (ret) {
+ kzfree(zip_ctx);
+ return ERR_PTR(ret);
+ }
+
+ return zip_ctx;
+}
+
+void *zip_alloc_scomp_ctx_lzs(struct crypto_scomp *tfm)
+{
+ int ret;
+ struct zip_kernel_ctx *zip_ctx;
+
+ zip_ctx = kzalloc(sizeof(*zip_ctx), GFP_KERNEL);
+ if (!zip_ctx)
+ return ERR_PTR(-ENOMEM);
+
+ ret = zip_ctx_init(zip_ctx, 1);
+
+ if (ret) {
+ kzfree(zip_ctx);
+ return ERR_PTR(ret);
+ }
+
+ return zip_ctx;
+}
+
+void zip_free_scomp_ctx(struct crypto_scomp *tfm, void *ctx)
+{
+ struct zip_kernel_ctx *zip_ctx = ctx;
+
+ zip_ctx_exit(zip_ctx);
+ kzfree(zip_ctx);
+}
+
+int zip_scomp_compress(struct crypto_scomp *tfm,
+ const u8 *src, unsigned int slen,
+ u8 *dst, unsigned int *dlen, void *ctx)
+{
+ int ret;
+ struct zip_kernel_ctx *zip_ctx = ctx;
+
+ ret = zip_compress(src, slen, dst, dlen, zip_ctx);
+
+ return ret;
+}
+
+int zip_scomp_decompress(struct crypto_scomp *tfm,
+ const u8 *src, unsigned int slen,
+ u8 *dst, unsigned int *dlen, void *ctx)
+{
+ int ret;
+ struct zip_kernel_ctx *zip_ctx = ctx;
+
+ ret = zip_decompress(src, slen, dst, dlen, zip_ctx);
+
+ return ret;
+} /* SCOMP framework end */
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_crypto.h b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_crypto.h
new file mode 100644
index 0000000..b59ddfc
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_crypto.h
@@ -0,0 +1,79 @@
+/***********************license start************************************
+ * Copyright (c) 2003-2017 Cavium, Inc.
+ * All rights reserved.
+ *
+ * License: one of 'Cavium License' or 'GNU General Public License Version 2'
+ *
+ * This file is provided under the terms of the Cavium License (see below)
+ * or under the terms of GNU General Public License, Version 2, as
+ * published by the Free Software Foundation. When using or redistributing
+ * this file, you may do so under either license.
+ *
+ * Cavium License: Redistribution and use in source and binary forms, with
+ * or without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * * Neither the name of Cavium Inc. nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * This Software, including technical data, may be subject to U.S. export
+ * control laws, including the U.S. Export Administration Act and its
+ * associated regulations, and may be subject to export or import
+ * regulations in other countries.
+ *
+ * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+ * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS
+ * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
+ * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
+ * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
+ * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY)
+ * WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
+ * PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET
+ * ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE
+ * ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES
+ * WITH YOU.
+ ***********************license end**************************************/
+
+#ifndef __ZIP_CRYPTO_H__
+#define __ZIP_CRYPTO_H__
+
+#include <linux/crypto.h>
+#include <crypto/internal/scompress.h>
+#include "common.h"
+#include "zip_deflate.h"
+#include "zip_inflate.h"
+
+struct zip_kernel_ctx {
+ struct zip_operation zip_comp;
+ struct zip_operation zip_decomp;
+};
+
+int zip_alloc_comp_ctx_deflate(struct crypto_tfm *tfm);
+int zip_alloc_comp_ctx_lzs(struct crypto_tfm *tfm);
+void zip_free_comp_ctx(struct crypto_tfm *tfm);
+int zip_comp_compress(struct crypto_tfm *tfm,
+ const u8 *src, unsigned int slen,
+ u8 *dst, unsigned int *dlen);
+int zip_comp_decompress(struct crypto_tfm *tfm,
+ const u8 *src, unsigned int slen,
+ u8 *dst, unsigned int *dlen);
+
+void *zip_alloc_scomp_ctx_deflate(struct crypto_scomp *tfm);
+void *zip_alloc_scomp_ctx_lzs(struct crypto_scomp *tfm);
+void zip_free_scomp_ctx(struct crypto_scomp *tfm, void *zip_ctx);
+int zip_scomp_compress(struct crypto_scomp *tfm,
+ const u8 *src, unsigned int slen,
+ u8 *dst, unsigned int *dlen, void *ctx);
+int zip_scomp_decompress(struct crypto_scomp *tfm,
+ const u8 *src, unsigned int slen,
+ u8 *dst, unsigned int *dlen, void *ctx);
+#endif
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_deflate.c b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_deflate.c
new file mode 100644
index 0000000..d7133f8
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_deflate.c
@@ -0,0 +1,200 @@
+/***********************license start************************************
+ * Copyright (c) 2003-2017 Cavium, Inc.
+ * All rights reserved.
+ *
+ * License: one of 'Cavium License' or 'GNU General Public License Version 2'
+ *
+ * This file is provided under the terms of the Cavium License (see below)
+ * or under the terms of GNU General Public License, Version 2, as
+ * published by the Free Software Foundation. When using or redistributing
+ * this file, you may do so under either license.
+ *
+ * Cavium License: Redistribution and use in source and binary forms, with
+ * or without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * * Neither the name of Cavium Inc. nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * This Software, including technical data, may be subject to U.S. export
+ * control laws, including the U.S. Export Administration Act and its
+ * associated regulations, and may be subject to export or import
+ * regulations in other countries.
+ *
+ * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+ * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS
+ * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
+ * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
+ * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
+ * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY)
+ * WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
+ * PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET
+ * ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE
+ * ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES
+ * WITH YOU.
+ ***********************license end**************************************/
+
+#include <linux/delay.h>
+#include <linux/sched.h>
+
+#include "common.h"
+#include "zip_deflate.h"
+
+/* Prepares the deflate zip command */
+static int prepare_zip_command(struct zip_operation *zip_ops,
+ struct zip_state *s, union zip_inst_s *zip_cmd)
+{
+ union zip_zres_s *result_ptr = &s->result;
+
+ memset(zip_cmd, 0, sizeof(s->zip_cmd));
+ memset(result_ptr, 0, sizeof(s->result));
+
+ /* IWORD #0 */
+ /* History gather */
+ zip_cmd->s.hg = 0;
+ /* compression enable = 1 for deflate */
+ zip_cmd->s.ce = 1;
+ /* sf (sync flush) */
+ zip_cmd->s.sf = 1;
+ /* ef (end of file) */
+ if (zip_ops->flush == ZIP_FLUSH_FINISH) {
+ zip_cmd->s.ef = 1;
+ zip_cmd->s.sf = 0;
+ }
+
+ zip_cmd->s.cc = zip_ops->ccode;
+ /* ss (compression speed/storage) */
+ zip_cmd->s.ss = zip_ops->speed;
+
+ /* IWORD #1 */
+ /* adler checksum */
+ zip_cmd->s.adlercrc32 = zip_ops->csum;
+ zip_cmd->s.historylength = zip_ops->history_len;
+ zip_cmd->s.dg = 0;
+
+ /* IWORD # 6 and 7 - compression input/history pointer */
+ zip_cmd->s.inp_ptr_addr.s.addr = __pa(zip_ops->input);
+ zip_cmd->s.inp_ptr_ctl.s.length = (zip_ops->input_len +
+ zip_ops->history_len);
+ zip_cmd->s.ds = 0;
+
+ /* IWORD # 8 and 9 - Output pointer */
+ zip_cmd->s.out_ptr_addr.s.addr = __pa(zip_ops->output);
+ zip_cmd->s.out_ptr_ctl.s.length = zip_ops->output_len;
+ /* maximum number of output-stream bytes that can be written */
+ zip_cmd->s.totaloutputlength = zip_ops->output_len;
+
+ /* IWORD # 10 and 11 - Result pointer */
+ zip_cmd->s.res_ptr_addr.s.addr = __pa(result_ptr);
+ /* Clearing completion code */
+ result_ptr->s.compcode = 0;
+
+ return 0;
+}
+
+/**
+ * zip_deflate - API to offload deflate operation to hardware
+ * @zip_ops: Pointer to zip operation structure
+ * @s: Pointer to the structure representing zip state
+ * @zip_dev: Pointer to zip device structure
+ *
+ * This function prepares the zip deflate command and submits it to the zip
+ * engine for processing.
+ *
+ * Return: 0 if successful or error code
+ */
+int zip_deflate(struct zip_operation *zip_ops, struct zip_state *s,
+ struct zip_device *zip_dev)
+{
+ union zip_inst_s *zip_cmd = &s->zip_cmd;
+ union zip_zres_s *result_ptr = &s->result;
+ u32 queue;
+
+ /* Prepares zip command based on the input parameters */
+ prepare_zip_command(zip_ops, s, zip_cmd);
+
+ atomic64_add(zip_ops->input_len, &zip_dev->stats.comp_in_bytes);
+ /* Loads zip command into command queues and rings door bell */
+ queue = zip_load_instr(zip_cmd, zip_dev);
+
+ /* Stats update for compression requests submitted */
+ atomic64_inc(&zip_dev->stats.comp_req_submit);
+
+ /* Wait for completion or error */
+ zip_poll_result(result_ptr);
+
+ /* Stats update for compression requests completed */
+ atomic64_inc(&zip_dev->stats.comp_req_complete);
+
+ zip_ops->compcode = result_ptr->s.compcode;
+ switch (zip_ops->compcode) {
+ case ZIP_CMD_NOTDONE:
+ zip_dbg("Zip instruction not yet completed");
+ return ZIP_ERROR;
+
+ case ZIP_CMD_SUCCESS:
+ zip_dbg("Zip instruction completed successfully");
+ zip_update_cmd_bufs(zip_dev, queue);
+ break;
+
+ case ZIP_CMD_DTRUNC:
+ zip_dbg("Output Truncate error");
+ /* Returning ZIP_ERROR to avoid copy to user */
+ return ZIP_ERROR;
+
+ default:
+ zip_err("Zip instruction failed. Code:%d", zip_ops->compcode);
+ return ZIP_ERROR;
+ }
+
+ /* Update the CRC depending on the format */
+ switch (zip_ops->format) {
+ case RAW_FORMAT:
+ zip_dbg("RAW Format: %d ", zip_ops->format);
+ /* Get checksum from engine, need to feed it again */
+ zip_ops->csum = result_ptr->s.adler32;
+ break;
+
+ case ZLIB_FORMAT:
+ zip_dbg("ZLIB Format: %d ", zip_ops->format);
+ zip_ops->csum = result_ptr->s.adler32;
+ break;
+
+ case GZIP_FORMAT:
+ zip_dbg("GZIP Format: %d ", zip_ops->format);
+ zip_ops->csum = result_ptr->s.crc32;
+ break;
+
+ case LZS_FORMAT:
+ zip_dbg("LZS Format: %d ", zip_ops->format);
+ break;
+
+ default:
+ zip_err("Unknown Format:%d\n", zip_ops->format);
+ }
+
+ atomic64_add(result_ptr->s.totalbyteswritten,
+ &zip_dev->stats.comp_out_bytes);
+
+ /* Update output_len */
+ if (zip_ops->output_len < result_ptr->s.totalbyteswritten) {
+ /* Dynamic stop && strm->output_len < zipconstants[onfsize] */
+ zip_err("output_len (%d) < total bytes written(%d)\n",
+ zip_ops->output_len, result_ptr->s.totalbyteswritten);
+ zip_ops->output_len = 0;
+
+ } else {
+ zip_ops->output_len = result_ptr->s.totalbyteswritten;
+ }
+
+ return 0;
+}
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_deflate.h b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_deflate.h
new file mode 100644
index 0000000..1d32e76
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_deflate.h
@@ -0,0 +1,62 @@
+/***********************license start************************************
+ * Copyright (c) 2003-2017 Cavium, Inc.
+ * All rights reserved.
+ *
+ * License: one of 'Cavium License' or 'GNU General Public License Version 2'
+ *
+ * This file is provided under the terms of the Cavium License (see below)
+ * or under the terms of GNU General Public License, Version 2, as
+ * published by the Free Software Foundation. When using or redistributing
+ * this file, you may do so under either license.
+ *
+ * Cavium License: Redistribution and use in source and binary forms, with
+ * or without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * * Neither the name of Cavium Inc. nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * This Software, including technical data, may be subject to U.S. export
+ * control laws, including the U.S. Export Administration Act and its
+ * associated regulations, and may be subject to export or import
+ * regulations in other countries.
+ *
+ * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+ * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS
+ * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
+ * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
+ * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
+ * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY)
+ * WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
+ * PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET
+ * ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE
+ * ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES
+ * WITH YOU.
+ ***********************license end**************************************/
+
+#ifndef __ZIP_DEFLATE_H__
+#define __ZIP_DEFLATE_H__
+
+/**
+ * zip_deflate - API to offload deflate operation to hardware
+ * @zip_ops: Pointer to zip operation structure
+ * @s: Pointer to the structure representing zip state
+ * @zip_dev: Pointer to the structure representing zip device
+ *
+ * This function prepares the zip deflate command and submits it to the zip
+ * engine by ringing the doorbell.
+ *
+ * Return: 0 if successful or error code
+ */
+int zip_deflate(struct zip_operation *zip_ops, struct zip_state *s,
+ struct zip_device *zip_dev);
+#endif
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_device.c b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_device.c
new file mode 100644
index 0000000..ccf21fb
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_device.c
@@ -0,0 +1,202 @@
+/***********************license start************************************
+ * Copyright (c) 2003-2017 Cavium, Inc.
+ * All rights reserved.
+ *
+ * License: one of 'Cavium License' or 'GNU General Public License Version 2'
+ *
+ * This file is provided under the terms of the Cavium License (see below)
+ * or under the terms of GNU General Public License, Version 2, as
+ * published by the Free Software Foundation. When using or redistributing
+ * this file, you may do so under either license.
+ *
+ * Cavium License: Redistribution and use in source and binary forms, with
+ * or without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * * Neither the name of Cavium Inc. nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * This Software, including technical data, may be subject to U.S. export
+ * control laws, including the U.S. Export Administration Act and its
+ * associated regulations, and may be subject to export or import
+ * regulations in other countries.
+ *
+ * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+ * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS
+ * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
+ * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
+ * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
+ * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY)
+ * WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
+ * PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET
+ * ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE
+ * ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES
+ * WITH YOU.
+ ***********************license end**************************************/
+
+#include "common.h"
+#include "zip_deflate.h"
+
+/**
+ * zip_cmd_queue_consumed - Calculates the space consumed in the command queue.
+ *
+ * @zip_dev: Pointer to zip device structure
+ * @queue: Queue number
+ *
+ * Return: Bytes consumed in the command queue buffer.
+ */
+static inline u32 zip_cmd_queue_consumed(struct zip_device *zip_dev, int queue)
+{
+ return ((zip_dev->iq[queue].sw_head - zip_dev->iq[queue].sw_tail) *
+ sizeof(u64 *));
+}
+
+/**
+ * zip_load_instr - Submits the instruction into the ZIP command queue
+ * @instr: Pointer to the instruction to be submitted
+ * @zip_dev: Pointer to ZIP device structure to which the instruction is to
+ * be submitted
+ *
+ * This function copies the ZIP instruction to the command queue and rings the
+ * doorbell to notify the engine of the instruction submission. The command
+ * queue is maintained in a circular fashion. When there is space for exactly
+ * one instruction in the queue, next chunk pointer of the queue is made to
+ * point to the head of the queue, thus maintaining a circular queue.
+ *
+ * Return: Queue number to which the instruction was submitted
+ */
+u32 zip_load_instr(union zip_inst_s *instr,
+ struct zip_device *zip_dev)
+{
+ union zip_quex_doorbell dbell;
+ u32 queue = 0;
+ u32 consumed = 0;
+ u64 *ncb_ptr = NULL;
+ union zip_nptr_s ncp;
+
+ /*
+ * Distribute the instructions between the enabled queues based on
+ * the CPU id.
+ */
+ if (smp_processor_id() % 2 == 0)
+ queue = 0;
+ else
+ queue = 1;
+
+ zip_dbg("CPU Core: %d Queue number:%d", smp_processor_id(), queue);
+
+ /* Take cmd buffer lock */
+ spin_lock(&zip_dev->iq[queue].lock);
+
+ /*
+ * Command Queue implementation
+ * 1. If there is place for new instructions, push the cmd at sw_head.
+ * 2. If there is place for exactly one instruction, push the new cmd
+ * at the sw_head. Make sw_head point to the sw_tail to make it
+ * circular. Write sw_head's physical address to the "Next-Chunk
+ * Buffer Ptr" to make it cmd_hw_tail.
+ * 3. Ring the door bell.
+ */
+ zip_dbg("sw_head : %lx", zip_dev->iq[queue].sw_head);
+ zip_dbg("sw_tail : %lx", zip_dev->iq[queue].sw_tail);
+
+ consumed = zip_cmd_queue_consumed(zip_dev, queue);
+ /* Check if there is space to push just one cmd */
+ if ((consumed + 128) == (ZIP_CMD_QBUF_SIZE - 8)) {
+ zip_dbg("Cmd queue space available for single command");
+ /* Space for one cmd, pust it and make it circular queue */
+ memcpy((u8 *)zip_dev->iq[queue].sw_head, (u8 *)instr,
+ sizeof(union zip_inst_s));
+ zip_dev->iq[queue].sw_head += 16; /* 16 64_bit words = 128B */
+
+ /* Now, point the "Next-Chunk Buffer Ptr" to sw_head */
+ ncb_ptr = zip_dev->iq[queue].sw_head;
+
+ zip_dbg("ncb addr :0x%lx sw_head addr :0x%lx",
+ ncb_ptr, zip_dev->iq[queue].sw_head - 16);
+
+ /* Using Circular command queue */
+ zip_dev->iq[queue].sw_head = zip_dev->iq[queue].sw_tail;
+ /* Mark this buffer for free */
+ zip_dev->iq[queue].free_flag = 1;
+
+ /* Write new chunk buffer address at "Next-Chunk Buffer Ptr" */
+ ncp.u_reg64 = 0ull;
+ ncp.s.addr = __pa(zip_dev->iq[queue].sw_head);
+ *ncb_ptr = ncp.u_reg64;
+ zip_dbg("*ncb_ptr :0x%lx sw_head[phys] :0x%lx",
+ *ncb_ptr, __pa(zip_dev->iq[queue].sw_head));
+
+ zip_dev->iq[queue].pend_cnt++;
+
+ } else {
+ zip_dbg("Enough space is available for commands");
+ /* Push this cmd to cmd queue buffer */
+ memcpy((u8 *)zip_dev->iq[queue].sw_head, (u8 *)instr,
+ sizeof(union zip_inst_s));
+ zip_dev->iq[queue].sw_head += 16; /* 16 64_bit words = 128B */
+
+ zip_dev->iq[queue].pend_cnt++;
+ }
+ zip_dbg("sw_head :0x%lx sw_tail :0x%lx hw_tail :0x%lx",
+ zip_dev->iq[queue].sw_head, zip_dev->iq[queue].sw_tail,
+ zip_dev->iq[queue].hw_tail);
+
+ zip_dbg(" Pushed the new cmd : pend_cnt : %d",
+ zip_dev->iq[queue].pend_cnt);
+
+ /* Ring the doorbell */
+ dbell.u_reg64 = 0ull;
+ dbell.s.dbell_cnt = 1;
+ zip_reg_write(dbell.u_reg64,
+ (zip_dev->reg_base + ZIP_QUEX_DOORBELL(queue)));
+
+ /* Unlock cmd buffer lock */
+ spin_unlock(&zip_dev->iq[queue].lock);
+
+ return queue;
+}
+
+/**
+ * zip_update_cmd_bufs - Updates the queue statistics after posting the
+ * instruction
+ * @zip_dev: Pointer to zip device structure
+ * @queue: Queue number
+ */
+void zip_update_cmd_bufs(struct zip_device *zip_dev, u32 queue)
+{
+ /* Take cmd buffer lock */
+ spin_lock(&zip_dev->iq[queue].lock);
+
+ /* Check if the previous buffer can be freed */
+ if (zip_dev->iq[queue].free_flag == 1) {
+ zip_dbg("Free flag. Free cmd buffer, adjust sw head and tail");
+ /* Reset the free flag */
+ zip_dev->iq[queue].free_flag = 0;
+
+ /* Point the hw_tail to start of the new chunk buffer */
+ zip_dev->iq[queue].hw_tail = zip_dev->iq[queue].sw_head;
+ } else {
+ zip_dbg("Free flag not set. increment hw tail");
+ zip_dev->iq[queue].hw_tail += 16; /* 16 64_bit words = 128B */
+ }
+
+ zip_dev->iq[queue].done_cnt++;
+ zip_dev->iq[queue].pend_cnt--;
+
+ zip_dbg("sw_head :0x%lx sw_tail :0x%lx hw_tail :0x%lx",
+ zip_dev->iq[queue].sw_head, zip_dev->iq[queue].sw_tail,
+ zip_dev->iq[queue].hw_tail);
+ zip_dbg(" Got CC : pend_cnt : %d\n", zip_dev->iq[queue].pend_cnt);
+
+ spin_unlock(&zip_dev->iq[queue].lock);
+}
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_device.h b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_device.h
new file mode 100644
index 0000000..9e18b3b
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_device.h
@@ -0,0 +1,108 @@
+/***********************license start************************************
+ * Copyright (c) 2003-2017 Cavium, Inc.
+ * All rights reserved.
+ *
+ * License: one of 'Cavium License' or 'GNU General Public License Version 2'
+ *
+ * This file is provided under the terms of the Cavium License (see below)
+ * or under the terms of GNU General Public License, Version 2, as
+ * published by the Free Software Foundation. When using or redistributing
+ * this file, you may do so under either license.
+ *
+ * Cavium License: Redistribution and use in source and binary forms, with
+ * or without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * * Neither the name of Cavium Inc. nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * This Software, including technical data, may be subject to U.S. export
+ * control laws, including the U.S. Export Administration Act and its
+ * associated regulations, and may be subject to export or import
+ * regulations in other countries.
+ *
+ * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+ * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS
+ * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
+ * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
+ * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
+ * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY)
+ * WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
+ * PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET
+ * ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE
+ * ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES
+ * WITH YOU.
+ ***********************license end**************************************/
+
+#ifndef __ZIP_DEVICE_H__
+#define __ZIP_DEVICE_H__
+
+#include <linux/types.h>
+#include "zip_main.h"
+
+struct sg_info {
+ /*
+ * Pointer to the input data when scatter_gather == 0 and
+ * pointer to the input gather list buffer when scatter_gather == 1
+ */
+ union zip_zptr_s *gather;
+
+ /*
+ * Pointer to the output data when scatter_gather == 0 and
+ * pointer to the output scatter list buffer when scatter_gather == 1
+ */
+ union zip_zptr_s *scatter;
+
+ /*
+ * Holds size of the output buffer pointed by scatter list
+ * when scatter_gather == 1
+ */
+ u64 scatter_buf_size;
+
+ /* for gather data */
+ u64 gather_enable;
+
+ /* for scatter data */
+ u64 scatter_enable;
+
+ /* Number of gather list pointers for gather data */
+ u32 gbuf_cnt;
+
+ /* Number of scatter list pointers for scatter data */
+ u32 sbuf_cnt;
+
+ /* Buffers allocation state */
+ u8 alloc_state;
+};
+
+/**
+ * struct zip_state - Structure representing the required information related
+ * to a command
+ * @zip_cmd: Pointer to zip instruction structure
+ * @result: Pointer to zip result structure
+ * @ctx: Context pointer for inflate
+ * @history: Decompression history pointer
+ * @sginfo: Scatter-gather info structure
+ */
+struct zip_state {
+ union zip_inst_s zip_cmd;
+ union zip_zres_s result;
+ union zip_zptr_s *ctx;
+ union zip_zptr_s *history;
+ struct sg_info sginfo;
+};
+
+#define ZIP_CONTEXT_SIZE 2048
+#define ZIP_INFLATE_HISTORY_SIZE 32768
+#define ZIP_DEFLATE_HISTORY_SIZE 32768
+
+#endif
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_inflate.c b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_inflate.c
new file mode 100644
index 0000000..7e0d73e
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_inflate.c
@@ -0,0 +1,223 @@
+/***********************license start************************************
+ * Copyright (c) 2003-2017 Cavium, Inc.
+ * All rights reserved.
+ *
+ * License: one of 'Cavium License' or 'GNU General Public License Version 2'
+ *
+ * This file is provided under the terms of the Cavium License (see below)
+ * or under the terms of GNU General Public License, Version 2, as
+ * published by the Free Software Foundation. When using or redistributing
+ * this file, you may do so under either license.
+ *
+ * Cavium License: Redistribution and use in source and binary forms, with
+ * or without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * * Neither the name of Cavium Inc. nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * This Software, including technical data, may be subject to U.S. export
+ * control laws, including the U.S. Export Administration Act and its
+ * associated regulations, and may be subject to export or import
+ * regulations in other countries.
+ *
+ * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+ * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS
+ * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
+ * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
+ * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
+ * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY)
+ * WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
+ * PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET
+ * ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE
+ * ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES
+ * WITH YOU.
+ ***********************license end**************************************/
+
+#include <linux/delay.h>
+#include <linux/sched.h>
+
+#include "common.h"
+#include "zip_inflate.h"
+
+static int prepare_inflate_zcmd(struct zip_operation *zip_ops,
+ struct zip_state *s, union zip_inst_s *zip_cmd)
+{
+ union zip_zres_s *result_ptr = &s->result;
+
+ memset(zip_cmd, 0, sizeof(s->zip_cmd));
+ memset(result_ptr, 0, sizeof(s->result));
+
+ /* IWORD#0 */
+
+ /* Decompression History Gather list - no gather list */
+ zip_cmd->s.hg = 0;
+ /* For decompression, CE must be 0x0. */
+ zip_cmd->s.ce = 0;
+ /* For decompression, SS must be 0x0. */
+ zip_cmd->s.ss = 0;
+ /* For decompression, SF should always be set. */
+ zip_cmd->s.sf = 1;
+
+ /* Begin File */
+ if (zip_ops->begin_file == 0)
+ zip_cmd->s.bf = 0;
+ else
+ zip_cmd->s.bf = 1;
+
+ zip_cmd->s.ef = 1;
+ /* 0: for Deflate decompression, 3: for LZS decompression */
+ zip_cmd->s.cc = zip_ops->ccode;
+
+ /* IWORD #1*/
+
+ /* adler checksum */
+ zip_cmd->s.adlercrc32 = zip_ops->csum;
+
+ /*
+ * HISTORYLENGTH must be 0x0 for any ZIP decompress operation.
+ * History data is added to a decompression operation via IWORD3.
+ */
+ zip_cmd->s.historylength = 0;
+ zip_cmd->s.ds = 0;
+
+ /* IWORD # 8 and 9 - Output pointer */
+ zip_cmd->s.out_ptr_addr.s.addr = __pa(zip_ops->output);
+ zip_cmd->s.out_ptr_ctl.s.length = zip_ops->output_len;
+
+ /* Maximum number of output-stream bytes that can be written */
+ zip_cmd->s.totaloutputlength = zip_ops->output_len;
+
+ zip_dbg("Data Direct Input case ");
+
+ /* IWORD # 6 and 7 - input pointer */
+ zip_cmd->s.dg = 0;
+ zip_cmd->s.inp_ptr_addr.s.addr = __pa((u8 *)zip_ops->input);
+ zip_cmd->s.inp_ptr_ctl.s.length = zip_ops->input_len;
+
+ /* IWORD # 10 and 11 - Result pointer */
+ zip_cmd->s.res_ptr_addr.s.addr = __pa(result_ptr);
+
+ /* Clearing completion code */
+ result_ptr->s.compcode = 0;
+
+ /* Returning 0 for time being.*/
+ return 0;
+}
+
+/**
+ * zip_inflate - API to offload inflate operation to hardware
+ * @zip_ops: Pointer to zip operation structure
+ * @s: Pointer to the structure representing zip state
+ * @zip_dev: Pointer to zip device structure
+ *
+ * This function prepares the zip inflate command and submits it to the zip
+ * engine for processing.
+ *
+ * Return: 0 if successful or error code
+ */
+int zip_inflate(struct zip_operation *zip_ops, struct zip_state *s,
+ struct zip_device *zip_dev)
+{
+ union zip_inst_s *zip_cmd = &s->zip_cmd;
+ union zip_zres_s *result_ptr = &s->result;
+ u32 queue;
+
+ /* Prepare inflate zip command */
+ prepare_inflate_zcmd(zip_ops, s, zip_cmd);
+
+ atomic64_add(zip_ops->input_len, &zip_dev->stats.decomp_in_bytes);
+
+ /* Load inflate command to zip queue and ring the doorbell */
+ queue = zip_load_instr(zip_cmd, zip_dev);
+
+ /* Decompression requests submitted stats update */
+ atomic64_inc(&zip_dev->stats.decomp_req_submit);
+
+ /* Wait for completion or error */
+ zip_poll_result(result_ptr);
+
+ /* Decompression requests completed stats update */
+ atomic64_inc(&zip_dev->stats.decomp_req_complete);
+
+ zip_ops->compcode = result_ptr->s.compcode;
+ switch (zip_ops->compcode) {
+ case ZIP_CMD_NOTDONE:
+ zip_dbg("Zip Instruction not yet completed\n");
+ return ZIP_ERROR;
+
+ case ZIP_CMD_SUCCESS:
+ zip_dbg("Zip Instruction completed successfully\n");
+ break;
+
+ case ZIP_CMD_DYNAMIC_STOP:
+ zip_dbg(" Dynamic stop Initiated\n");
+ break;
+
+ default:
+ zip_dbg("Instruction failed. Code = %d\n", zip_ops->compcode);
+ atomic64_inc(&zip_dev->stats.decomp_bad_reqs);
+ zip_update_cmd_bufs(zip_dev, queue);
+ return ZIP_ERROR;
+ }
+
+ zip_update_cmd_bufs(zip_dev, queue);
+
+ if ((zip_ops->ccode == 3) && (zip_ops->flush == 4) &&
+ (zip_ops->compcode != ZIP_CMD_DYNAMIC_STOP))
+ result_ptr->s.ef = 1;
+
+ zip_ops->csum = result_ptr->s.adler32;
+
+ atomic64_add(result_ptr->s.totalbyteswritten,
+ &zip_dev->stats.decomp_out_bytes);
+
+ if (zip_ops->output_len < result_ptr->s.totalbyteswritten) {
+ zip_err("output_len (%d) < total bytes written (%d)\n",
+ zip_ops->output_len, result_ptr->s.totalbyteswritten);
+ zip_ops->output_len = 0;
+ } else {
+ zip_ops->output_len = result_ptr->s.totalbyteswritten;
+ }
+
+ zip_ops->bytes_read = result_ptr->s.totalbytesread;
+ zip_ops->bits_processed = result_ptr->s.totalbitsprocessed;
+ zip_ops->end_file = result_ptr->s.ef;
+ if (zip_ops->end_file) {
+ switch (zip_ops->format) {
+ case RAW_FORMAT:
+ zip_dbg("RAW Format: %d ", zip_ops->format);
+ /* Get checksum from engine */
+ zip_ops->csum = result_ptr->s.adler32;
+ break;
+
+ case ZLIB_FORMAT:
+ zip_dbg("ZLIB Format: %d ", zip_ops->format);
+ zip_ops->csum = result_ptr->s.adler32;
+ break;
+
+ case GZIP_FORMAT:
+ zip_dbg("GZIP Format: %d ", zip_ops->format);
+ zip_ops->csum = result_ptr->s.crc32;
+ break;
+
+ case LZS_FORMAT:
+ zip_dbg("LZS Format: %d ", zip_ops->format);
+ break;
+
+ default:
+ zip_err("Format error:%d\n", zip_ops->format);
+ }
+ }
+
+ return 0;
+}
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_inflate.h b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_inflate.h
new file mode 100644
index 0000000..6b20f17
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_inflate.h
@@ -0,0 +1,62 @@
+/***********************license start************************************
+ * Copyright (c) 2003-2017 Cavium, Inc.
+ * All rights reserved.
+ *
+ * License: one of 'Cavium License' or 'GNU General Public License Version 2'
+ *
+ * This file is provided under the terms of the Cavium License (see below)
+ * or under the terms of GNU General Public License, Version 2, as
+ * published by the Free Software Foundation. When using or redistributing
+ * this file, you may do so under either license.
+ *
+ * Cavium License: Redistribution and use in source and binary forms, with
+ * or without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * * Neither the name of Cavium Inc. nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * This Software, including technical data, may be subject to U.S. export
+ * control laws, including the U.S. Export Administration Act and its
+ * associated regulations, and may be subject to export or import
+ * regulations in other countries.
+ *
+ * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+ * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS
+ * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
+ * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
+ * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
+ * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY)
+ * WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
+ * PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET
+ * ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE
+ * ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES
+ * WITH YOU.
+ ***********************license end**************************************/
+
+#ifndef __ZIP_INFLATE_H__
+#define __ZIP_INFLATE_H__
+
+/**
+ * zip_inflate - API to offload inflate operation to hardware
+ * @zip_ops: Pointer to zip operation structure
+ * @s: Pointer to the structure representing zip state
+ * @zip_dev: Pointer to the structure representing zip device
+ *
+ * This function prepares the zip inflate command and submits it to the zip
+ * engine for processing.
+ *
+ * Return: 0 if successful or error code
+ */
+int zip_inflate(struct zip_operation *zip_ops, struct zip_state *s,
+ struct zip_device *zip_dev);
+#endif
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_main.c b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_main.c
new file mode 100644
index 0000000..279ffdd
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_main.c
@@ -0,0 +1,734 @@
+/***********************license start************************************
+ * Copyright (c) 2003-2017 Cavium, Inc.
+ * All rights reserved.
+ *
+ * License: one of 'Cavium License' or 'GNU General Public License Version 2'
+ *
+ * This file is provided under the terms of the Cavium License (see below)
+ * or under the terms of GNU General Public License, Version 2, as
+ * published by the Free Software Foundation. When using or redistributing
+ * this file, you may do so under either license.
+ *
+ * Cavium License: Redistribution and use in source and binary forms, with
+ * or without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * * Neither the name of Cavium Inc. nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * This Software, including technical data, may be subject to U.S. export
+ * control laws, including the U.S. Export Administration Act and its
+ * associated regulations, and may be subject to export or import
+ * regulations in other countries.
+ *
+ * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+ * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS
+ * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
+ * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
+ * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
+ * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY)
+ * WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
+ * PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET
+ * ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE
+ * ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES
+ * WITH YOU.
+ ***********************license end**************************************/
+
+#include "common.h"
+#include "zip_crypto.h"
+
+#define DRV_NAME "ThunderX-ZIP"
+
+static struct zip_device *zip_dev[MAX_ZIP_DEVICES];
+
+static const struct pci_device_id zip_id_table[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVICE_ID_THUNDERX_ZIP) },
+ { 0, }
+};
+
+void zip_reg_write(u64 val, u64 __iomem *addr)
+{
+ writeq(val, addr);
+}
+
+u64 zip_reg_read(u64 __iomem *addr)
+{
+ return readq(addr);
+}
+
+/*
+ * Allocates new ZIP device structure
+ * Returns zip_device pointer or NULL if cannot allocate memory for zip_device
+ */
+static struct zip_device *zip_alloc_device(struct pci_dev *pdev)
+{
+ struct zip_device *zip = NULL;
+ int idx;
+
+ for (idx = 0; idx < MAX_ZIP_DEVICES; idx++) {
+ if (!zip_dev[idx])
+ break;
+ }
+
+ /* To ensure that the index is within the limit */
+ if (idx < MAX_ZIP_DEVICES)
+ zip = devm_kzalloc(&pdev->dev, sizeof(*zip), GFP_KERNEL);
+
+ if (!zip)
+ return NULL;
+
+ zip_dev[idx] = zip;
+ zip->index = idx;
+ return zip;
+}
+
+/**
+ * zip_get_device - Get ZIP device based on node id of cpu
+ *
+ * @node: Node id of the current cpu
+ * Return: Pointer to Zip device structure
+ */
+struct zip_device *zip_get_device(int node)
+{
+ if ((node < MAX_ZIP_DEVICES) && (node >= 0))
+ return zip_dev[node];
+
+ zip_err("ZIP device not found for node id %d\n", node);
+ return NULL;
+}
+
+/**
+ * zip_get_node_id - Get the node id of the current cpu
+ *
+ * Return: Node id of the current cpu
+ */
+int zip_get_node_id(void)
+{
+ return cpu_to_node(smp_processor_id());
+}
+
+/* Initializes the ZIP h/w sub-system */
+static int zip_init_hw(struct zip_device *zip)
+{
+ union zip_cmd_ctl cmd_ctl;
+ union zip_constants constants;
+ union zip_que_ena que_ena;
+ union zip_quex_map que_map;
+ union zip_que_pri que_pri;
+
+ union zip_quex_sbuf_addr que_sbuf_addr;
+ union zip_quex_sbuf_ctl que_sbuf_ctl;
+
+ int q = 0;
+
+ /* Enable the ZIP Engine(Core) Clock */
+ cmd_ctl.u_reg64 = zip_reg_read(zip->reg_base + ZIP_CMD_CTL);
+ cmd_ctl.s.forceclk = 1;
+ zip_reg_write(cmd_ctl.u_reg64 & 0xFF, (zip->reg_base + ZIP_CMD_CTL));
+
+ zip_msg("ZIP_CMD_CTL : 0x%016llx",
+ zip_reg_read(zip->reg_base + ZIP_CMD_CTL));
+
+ constants.u_reg64 = zip_reg_read(zip->reg_base + ZIP_CONSTANTS);
+ zip->depth = constants.s.depth;
+ zip->onfsize = constants.s.onfsize;
+ zip->ctxsize = constants.s.ctxsize;
+
+ zip_msg("depth: 0x%016llx , onfsize : 0x%016llx , ctxsize : 0x%016llx",
+ zip->depth, zip->onfsize, zip->ctxsize);
+
+ /*
+ * Program ZIP_QUE(0..7)_SBUF_ADDR and ZIP_QUE(0..7)_SBUF_CTL to
+ * have the correct buffer pointer and size configured for each
+ * instruction queue.
+ */
+ for (q = 0; q < ZIP_NUM_QUEUES; q++) {
+ que_sbuf_ctl.u_reg64 = 0ull;
+ que_sbuf_ctl.s.size = (ZIP_CMD_QBUF_SIZE / sizeof(u64));
+ que_sbuf_ctl.s.inst_be = 0;
+ que_sbuf_ctl.s.stream_id = 0;
+ zip_reg_write(que_sbuf_ctl.u_reg64,
+ (zip->reg_base + ZIP_QUEX_SBUF_CTL(q)));
+
+ zip_msg("QUEX_SBUF_CTL[%d]: 0x%016llx", q,
+ zip_reg_read(zip->reg_base + ZIP_QUEX_SBUF_CTL(q)));
+ }
+
+ for (q = 0; q < ZIP_NUM_QUEUES; q++) {
+ memset(&zip->iq[q], 0x0, sizeof(struct zip_iq));
+
+ spin_lock_init(&zip->iq[q].lock);
+
+ if (zip_cmd_qbuf_alloc(zip, q)) {
+ while (q != 0) {
+ q--;
+ zip_cmd_qbuf_free(zip, q);
+ }
+ return -ENOMEM;
+ }
+
+ /* Initialize tail ptr to head */
+ zip->iq[q].sw_tail = zip->iq[q].sw_head;
+ zip->iq[q].hw_tail = zip->iq[q].sw_head;
+
+ /* Write the physical addr to register */
+ que_sbuf_addr.u_reg64 = 0ull;
+ que_sbuf_addr.s.ptr = (__pa(zip->iq[q].sw_head) >>
+ ZIP_128B_ALIGN);
+
+ zip_msg("QUE[%d]_PTR(PHYS): 0x%016llx", q,
+ (u64)que_sbuf_addr.s.ptr);
+
+ zip_reg_write(que_sbuf_addr.u_reg64,
+ (zip->reg_base + ZIP_QUEX_SBUF_ADDR(q)));
+
+ zip_msg("QUEX_SBUF_ADDR[%d]: 0x%016llx", q,
+ zip_reg_read(zip->reg_base + ZIP_QUEX_SBUF_ADDR(q)));
+
+ zip_dbg("sw_head :0x%lx sw_tail :0x%lx hw_tail :0x%lx",
+ zip->iq[q].sw_head, zip->iq[q].sw_tail,
+ zip->iq[q].hw_tail);
+ zip_dbg("sw_head phy addr : 0x%lx", que_sbuf_addr.s.ptr);
+ }
+
+ /*
+ * Queue-to-ZIP core mapping
+ * If a queue is not mapped to a particular core, it is equivalent to
+ * the ZIP core being disabled.
+ */
+ que_ena.u_reg64 = 0x0ull;
+ /* Enabling queues based on ZIP_NUM_QUEUES */
+ for (q = 0; q < ZIP_NUM_QUEUES; q++)
+ que_ena.s.ena |= (0x1 << q);
+ zip_reg_write(que_ena.u_reg64, (zip->reg_base + ZIP_QUE_ENA));
+
+ zip_msg("QUE_ENA : 0x%016llx",
+ zip_reg_read(zip->reg_base + ZIP_QUE_ENA));
+
+ for (q = 0; q < ZIP_NUM_QUEUES; q++) {
+ que_map.u_reg64 = 0ull;
+ /* Mapping each queue to two ZIP cores */
+ que_map.s.zce = 0x3;
+ zip_reg_write(que_map.u_reg64,
+ (zip->reg_base + ZIP_QUEX_MAP(q)));
+
+ zip_msg("QUE_MAP(%d) : 0x%016llx", q,
+ zip_reg_read(zip->reg_base + ZIP_QUEX_MAP(q)));
+ }
+
+ que_pri.u_reg64 = 0ull;
+ for (q = 0; q < ZIP_NUM_QUEUES; q++)
+ que_pri.s.pri |= (0x1 << q); /* Higher Priority RR */
+ zip_reg_write(que_pri.u_reg64, (zip->reg_base + ZIP_QUE_PRI));
+
+ zip_msg("QUE_PRI %016llx", zip_reg_read(zip->reg_base + ZIP_QUE_PRI));
+
+ return 0;
+}
+
+static int zip_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ struct device *dev = &pdev->dev;
+ struct zip_device *zip = NULL;
+ int err;
+
+ zip = zip_alloc_device(pdev);
+ if (!zip)
+ return -ENOMEM;
+
+ dev_info(dev, "Found ZIP device %d %x:%x on Node %d\n", zip->index,
+ pdev->vendor, pdev->device, dev_to_node(dev));
+
+ pci_set_drvdata(pdev, zip);
+ zip->pdev = pdev;
+
+ err = pci_enable_device(pdev);
+ if (err) {
+ dev_err(dev, "Failed to enable PCI device");
+ goto err_free_device;
+ }
+
+ err = pci_request_regions(pdev, DRV_NAME);
+ if (err) {
+ dev_err(dev, "PCI request regions failed 0x%x", err);
+ goto err_disable_device;
+ }
+
+ err = pci_set_dma_mask(pdev, DMA_BIT_MASK(48));
+ if (err) {
+ dev_err(dev, "Unable to get usable DMA configuration\n");
+ goto err_release_regions;
+ }
+
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(48));
+ if (err) {
+ dev_err(dev, "Unable to get 48-bit DMA for allocations\n");
+ goto err_release_regions;
+ }
+
+ /* MAP configuration registers */
+ zip->reg_base = pci_ioremap_bar(pdev, PCI_CFG_ZIP_PF_BAR0);
+ if (!zip->reg_base) {
+ dev_err(dev, "ZIP: Cannot map BAR0 CSR memory space, aborting");
+ err = -ENOMEM;
+ goto err_release_regions;
+ }
+
+ /* Initialize ZIP Hardware */
+ err = zip_init_hw(zip);
+ if (err)
+ goto err_release_regions;
+
+ return 0;
+
+err_release_regions:
+ if (zip->reg_base)
+ iounmap(zip->reg_base);
+ pci_release_regions(pdev);
+
+err_disable_device:
+ pci_disable_device(pdev);
+
+err_free_device:
+ pci_set_drvdata(pdev, NULL);
+
+ /* Remove zip_dev from zip_device list, free the zip_device memory */
+ zip_dev[zip->index] = NULL;
+ devm_kfree(dev, zip);
+
+ return err;
+}
+
+static void zip_remove(struct pci_dev *pdev)
+{
+ struct zip_device *zip = pci_get_drvdata(pdev);
+ union zip_cmd_ctl cmd_ctl;
+ int q = 0;
+
+ if (!zip)
+ return;
+
+ if (zip->reg_base) {
+ cmd_ctl.u_reg64 = 0x0ull;
+ cmd_ctl.s.reset = 1; /* Forces ZIP cores to do reset */
+ zip_reg_write(cmd_ctl.u_reg64, (zip->reg_base + ZIP_CMD_CTL));
+ iounmap(zip->reg_base);
+ }
+
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+
+ /*
+ * Free Command Queue buffers. This free should be called for all
+ * the enabled Queues.
+ */
+ for (q = 0; q < ZIP_NUM_QUEUES; q++)
+ zip_cmd_qbuf_free(zip, q);
+
+ pci_set_drvdata(pdev, NULL);
+ /* remove zip device from zip device list */
+ zip_dev[zip->index] = NULL;
+}
+
+/* PCI Sub-System Interface */
+static struct pci_driver zip_driver = {
+ .name = DRV_NAME,
+ .id_table = zip_id_table,
+ .probe = zip_probe,
+ .remove = zip_remove,
+};
+
+/* Kernel Crypto Subsystem Interface */
+
+static struct crypto_alg zip_comp_deflate = {
+ .cra_name = "deflate",
+ .cra_driver_name = "deflate-cavium",
+ .cra_flags = CRYPTO_ALG_TYPE_COMPRESS,
+ .cra_ctxsize = sizeof(struct zip_kernel_ctx),
+ .cra_priority = 300,
+ .cra_module = THIS_MODULE,
+ .cra_init = zip_alloc_comp_ctx_deflate,
+ .cra_exit = zip_free_comp_ctx,
+ .cra_u = { .compress = {
+ .coa_compress = zip_comp_compress,
+ .coa_decompress = zip_comp_decompress
+ } }
+};
+
+static struct crypto_alg zip_comp_lzs = {
+ .cra_name = "lzs",
+ .cra_driver_name = "lzs-cavium",
+ .cra_flags = CRYPTO_ALG_TYPE_COMPRESS,
+ .cra_ctxsize = sizeof(struct zip_kernel_ctx),
+ .cra_priority = 300,
+ .cra_module = THIS_MODULE,
+ .cra_init = zip_alloc_comp_ctx_lzs,
+ .cra_exit = zip_free_comp_ctx,
+ .cra_u = { .compress = {
+ .coa_compress = zip_comp_compress,
+ .coa_decompress = zip_comp_decompress
+ } }
+};
+
+static struct scomp_alg zip_scomp_deflate = {
+ .alloc_ctx = zip_alloc_scomp_ctx_deflate,
+ .free_ctx = zip_free_scomp_ctx,
+ .compress = zip_scomp_compress,
+ .decompress = zip_scomp_decompress,
+ .base = {
+ .cra_name = "deflate",
+ .cra_driver_name = "deflate-scomp-cavium",
+ .cra_module = THIS_MODULE,
+ .cra_priority = 300,
+ }
+};
+
+static struct scomp_alg zip_scomp_lzs = {
+ .alloc_ctx = zip_alloc_scomp_ctx_lzs,
+ .free_ctx = zip_free_scomp_ctx,
+ .compress = zip_scomp_compress,
+ .decompress = zip_scomp_decompress,
+ .base = {
+ .cra_name = "lzs",
+ .cra_driver_name = "lzs-scomp-cavium",
+ .cra_module = THIS_MODULE,
+ .cra_priority = 300,
+ }
+};
+
+static int zip_register_compression_device(void)
+{
+ int ret;
+
+ ret = crypto_register_alg(&zip_comp_deflate);
+ if (ret < 0) {
+ zip_err("Deflate algorithm registration failed\n");
+ return ret;
+ }
+
+ ret = crypto_register_alg(&zip_comp_lzs);
+ if (ret < 0) {
+ zip_err("LZS algorithm registration failed\n");
+ goto err_unregister_alg_deflate;
+ }
+
+ ret = crypto_register_scomp(&zip_scomp_deflate);
+ if (ret < 0) {
+ zip_err("Deflate scomp algorithm registration failed\n");
+ goto err_unregister_alg_lzs;
+ }
+
+ ret = crypto_register_scomp(&zip_scomp_lzs);
+ if (ret < 0) {
+ zip_err("LZS scomp algorithm registration failed\n");
+ goto err_unregister_scomp_deflate;
+ }
+
+ return ret;
+
+err_unregister_scomp_deflate:
+ crypto_unregister_scomp(&zip_scomp_deflate);
+err_unregister_alg_lzs:
+ crypto_unregister_alg(&zip_comp_lzs);
+err_unregister_alg_deflate:
+ crypto_unregister_alg(&zip_comp_deflate);
+
+ return ret;
+}
+
+static void zip_unregister_compression_device(void)
+{
+ crypto_unregister_alg(&zip_comp_deflate);
+ crypto_unregister_alg(&zip_comp_lzs);
+ crypto_unregister_scomp(&zip_scomp_deflate);
+ crypto_unregister_scomp(&zip_scomp_lzs);
+}
+
+/*
+ * debugfs functions
+ */
+#ifdef CONFIG_DEBUG_FS
+#include <linux/debugfs.h>
+
+/* Displays ZIP device statistics */
+static int zip_show_stats(struct seq_file *s, void *unused)
+{
+ u64 val = 0ull;
+ u64 avg_chunk = 0ull, avg_cr = 0ull;
+ u32 q = 0;
+
+ int index = 0;
+ struct zip_device *zip;
+ struct zip_stats *st;
+
+ for (index = 0; index < MAX_ZIP_DEVICES; index++) {
+ if (zip_dev[index]) {
+ zip = zip_dev[index];
+ st = &zip->stats;
+
+ /* Get all the pending requests */
+ for (q = 0; q < ZIP_NUM_QUEUES; q++) {
+ val = zip_reg_read((zip->reg_base +
+ ZIP_DBG_COREX_STA(q)));
+ val = (val >> 32);
+ val = val & 0xffffff;
+ atomic64_add(val, &st->pending_req);
+ }
+
+ avg_chunk = (atomic64_read(&st->comp_in_bytes) /
+ atomic64_read(&st->comp_req_complete));
+ avg_cr = (atomic64_read(&st->comp_in_bytes) /
+ atomic64_read(&st->comp_out_bytes));
+ seq_printf(s, " ZIP Device %d Stats\n"
+ "-----------------------------------\n"
+ "Comp Req Submitted : \t%lld\n"
+ "Comp Req Completed : \t%lld\n"
+ "Compress In Bytes : \t%lld\n"
+ "Compressed Out Bytes : \t%lld\n"
+ "Average Chunk size : \t%llu\n"
+ "Average Compression ratio : \t%llu\n"
+ "Decomp Req Submitted : \t%lld\n"
+ "Decomp Req Completed : \t%lld\n"
+ "Decompress In Bytes : \t%lld\n"
+ "Decompressed Out Bytes : \t%lld\n"
+ "Decompress Bad requests : \t%lld\n"
+ "Pending Req : \t%lld\n"
+ "---------------------------------\n",
+ index,
+ (u64)atomic64_read(&st->comp_req_submit),
+ (u64)atomic64_read(&st->comp_req_complete),
+ (u64)atomic64_read(&st->comp_in_bytes),
+ (u64)atomic64_read(&st->comp_out_bytes),
+ avg_chunk,
+ avg_cr,
+ (u64)atomic64_read(&st->decomp_req_submit),
+ (u64)atomic64_read(&st->decomp_req_complete),
+ (u64)atomic64_read(&st->decomp_in_bytes),
+ (u64)atomic64_read(&st->decomp_out_bytes),
+ (u64)atomic64_read(&st->decomp_bad_reqs),
+ (u64)atomic64_read(&st->pending_req));
+
+ /* Reset pending requests count */
+ atomic64_set(&st->pending_req, 0);
+ }
+ }
+ return 0;
+}
+
+/* Clears stats data */
+static int zip_clear_stats(struct seq_file *s, void *unused)
+{
+ int index = 0;
+
+ for (index = 0; index < MAX_ZIP_DEVICES; index++) {
+ if (zip_dev[index]) {
+ memset(&zip_dev[index]->stats, 0,
+ sizeof(struct zip_stats));
+ seq_printf(s, "Cleared stats for zip %d\n", index);
+ }
+ }
+
+ return 0;
+}
+
+static struct zip_registers zipregs[64] = {
+ {"ZIP_CMD_CTL ", 0x0000ull},
+ {"ZIP_THROTTLE ", 0x0010ull},
+ {"ZIP_CONSTANTS ", 0x00A0ull},
+ {"ZIP_QUE0_MAP ", 0x1400ull},
+ {"ZIP_QUE1_MAP ", 0x1408ull},
+ {"ZIP_QUE_ENA ", 0x0500ull},
+ {"ZIP_QUE_PRI ", 0x0508ull},
+ {"ZIP_QUE0_DONE ", 0x2000ull},
+ {"ZIP_QUE1_DONE ", 0x2008ull},
+ {"ZIP_QUE0_DOORBELL ", 0x4000ull},
+ {"ZIP_QUE1_DOORBELL ", 0x4008ull},
+ {"ZIP_QUE0_SBUF_ADDR ", 0x1000ull},
+ {"ZIP_QUE1_SBUF_ADDR ", 0x1008ull},
+ {"ZIP_QUE0_SBUF_CTL ", 0x1200ull},
+ {"ZIP_QUE1_SBUF_CTL ", 0x1208ull},
+ { NULL, 0}
+};
+
+/* Prints registers' contents */
+static int zip_print_regs(struct seq_file *s, void *unused)
+{
+ u64 val = 0;
+ int i = 0, index = 0;
+
+ for (index = 0; index < MAX_ZIP_DEVICES; index++) {
+ if (zip_dev[index]) {
+ seq_printf(s, "--------------------------------\n"
+ " ZIP Device %d Registers\n"
+ "--------------------------------\n",
+ index);
+
+ i = 0;
+
+ while (zipregs[i].reg_name) {
+ val = zip_reg_read((zip_dev[index]->reg_base +
+ zipregs[i].reg_offset));
+ seq_printf(s, "%s: 0x%016llx\n",
+ zipregs[i].reg_name, val);
+ i++;
+ }
+ }
+ }
+ return 0;
+}
+
+static int zip_stats_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, zip_show_stats, NULL);
+}
+
+static const struct file_operations zip_stats_fops = {
+ .owner = THIS_MODULE,
+ .open = zip_stats_open,
+ .read = seq_read,
+ .release = single_release,
+};
+
+static int zip_clear_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, zip_clear_stats, NULL);
+}
+
+static const struct file_operations zip_clear_fops = {
+ .owner = THIS_MODULE,
+ .open = zip_clear_open,
+ .read = seq_read,
+ .release = single_release,
+};
+
+static int zip_regs_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, zip_print_regs, NULL);
+}
+
+static const struct file_operations zip_regs_fops = {
+ .owner = THIS_MODULE,
+ .open = zip_regs_open,
+ .read = seq_read,
+ .release = single_release,
+};
+
+/* Root directory for thunderx_zip debugfs entry */
+static struct dentry *zip_debugfs_root;
+
+static int __init zip_debugfs_init(void)
+{
+ struct dentry *zip_stats, *zip_clear, *zip_regs;
+
+ if (!debugfs_initialized())
+ return -ENODEV;
+
+ zip_debugfs_root = debugfs_create_dir("thunderx_zip", NULL);
+ if (!zip_debugfs_root)
+ return -ENOMEM;
+
+ /* Creating files for entries inside thunderx_zip directory */
+ zip_stats = debugfs_create_file("zip_stats", 0444,
+ zip_debugfs_root,
+ NULL, &zip_stats_fops);
+ if (!zip_stats)
+ goto failed_to_create;
+
+ zip_clear = debugfs_create_file("zip_clear", 0444,
+ zip_debugfs_root,
+ NULL, &zip_clear_fops);
+ if (!zip_clear)
+ goto failed_to_create;
+
+ zip_regs = debugfs_create_file("zip_regs", 0444,
+ zip_debugfs_root,
+ NULL, &zip_regs_fops);
+ if (!zip_regs)
+ goto failed_to_create;
+
+ return 0;
+
+failed_to_create:
+ debugfs_remove_recursive(zip_debugfs_root);
+ return -ENOENT;
+}
+
+static void __exit zip_debugfs_exit(void)
+{
+ debugfs_remove_recursive(zip_debugfs_root);
+}
+
+#else
+static int __init zip_debugfs_init(void)
+{
+ return 0;
+}
+
+static void __exit zip_debugfs_exit(void) { }
+
+#endif
+/* debugfs - end */
+
+static int __init zip_init_module(void)
+{
+ int ret;
+
+ zip_msg("%s\n", DRV_NAME);
+
+ ret = pci_register_driver(&zip_driver);
+ if (ret < 0) {
+ zip_err("ZIP: pci_register_driver() failed\n");
+ return ret;
+ }
+
+ /* Register with the Kernel Crypto Interface */
+ ret = zip_register_compression_device();
+ if (ret < 0) {
+ zip_err("ZIP: Kernel Crypto Registration failed\n");
+ goto err_pci_unregister;
+ }
+
+ /* comp-decomp statistics are handled with debugfs interface */
+ ret = zip_debugfs_init();
+ if (ret < 0) {
+ zip_err("ZIP: debugfs initialization failed\n");
+ goto err_crypto_unregister;
+ }
+
+ return ret;
+
+err_crypto_unregister:
+ zip_unregister_compression_device();
+
+err_pci_unregister:
+ pci_unregister_driver(&zip_driver);
+ return ret;
+}
+
+static void __exit zip_cleanup_module(void)
+{
+ zip_debugfs_exit();
+
+ /* Unregister from the kernel crypto interface */
+ zip_unregister_compression_device();
+
+ /* Unregister this driver for pci zip devices */
+ pci_unregister_driver(&zip_driver);
+}
+
+module_init(zip_init_module);
+module_exit(zip_cleanup_module);
+
+MODULE_AUTHOR("Cavium Inc");
+MODULE_DESCRIPTION("Cavium Inc ThunderX ZIP Driver");
+MODULE_LICENSE("GPL v2");
+MODULE_DEVICE_TABLE(pci, zip_id_table);
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_main.h b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_main.h
new file mode 100644
index 0000000..64e051f
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_main.h
@@ -0,0 +1,121 @@
+/***********************license start************************************
+ * Copyright (c) 2003-2017 Cavium, Inc.
+ * All rights reserved.
+ *
+ * License: one of 'Cavium License' or 'GNU General Public License Version 2'
+ *
+ * This file is provided under the terms of the Cavium License (see below)
+ * or under the terms of GNU General Public License, Version 2, as
+ * published by the Free Software Foundation. When using or redistributing
+ * this file, you may do so under either license.
+ *
+ * Cavium License: Redistribution and use in source and binary forms, with
+ * or without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * * Neither the name of Cavium Inc. nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * This Software, including technical data, may be subject to U.S. export
+ * control laws, including the U.S. Export Administration Act and its
+ * associated regulations, and may be subject to export or import
+ * regulations in other countries.
+ *
+ * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+ * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS
+ * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
+ * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
+ * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
+ * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY)
+ * WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
+ * PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET
+ * ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE
+ * ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES
+ * WITH YOU.
+ ***********************license end**************************************/
+
+#ifndef __ZIP_MAIN_H__
+#define __ZIP_MAIN_H__
+
+#include "zip_device.h"
+#include "zip_regs.h"
+
+/* PCI device IDs */
+#define PCI_DEVICE_ID_THUNDERX_ZIP 0xA01A
+
+/* ZIP device BARs */
+#define PCI_CFG_ZIP_PF_BAR0 0 /* Base addr for normal regs */
+
+/* Maximum available zip queues */
+#define ZIP_MAX_NUM_QUEUES 8
+
+#define ZIP_128B_ALIGN 7
+
+/* Command queue buffer size */
+#define ZIP_CMD_QBUF_SIZE (8064 + 8)
+
+struct zip_registers {
+ char *reg_name;
+ u64 reg_offset;
+};
+
+/* ZIP Compression - Decompression stats */
+struct zip_stats {
+ atomic64_t comp_req_submit;
+ atomic64_t comp_req_complete;
+ atomic64_t decomp_req_submit;
+ atomic64_t decomp_req_complete;
+ atomic64_t pending_req;
+ atomic64_t comp_in_bytes;
+ atomic64_t comp_out_bytes;
+ atomic64_t decomp_in_bytes;
+ atomic64_t decomp_out_bytes;
+ atomic64_t decomp_bad_reqs;
+};
+
+/* ZIP Instruction Queue */
+struct zip_iq {
+ u64 *sw_head;
+ u64 *sw_tail;
+ u64 *hw_tail;
+ u64 done_cnt;
+ u64 pend_cnt;
+ u64 free_flag;
+
+ /* ZIP IQ lock */
+ spinlock_t lock;
+};
+
+/* ZIP Device */
+struct zip_device {
+ u32 index;
+ void __iomem *reg_base;
+ struct pci_dev *pdev;
+
+ /* Different ZIP Constants */
+ u64 depth;
+ u64 onfsize;
+ u64 ctxsize;
+
+ struct zip_iq iq[ZIP_MAX_NUM_QUEUES];
+ struct zip_stats stats;
+};
+
+/* Prototypes */
+struct zip_device *zip_get_device(int node_id);
+int zip_get_node_id(void);
+void zip_reg_write(u64 val, u64 __iomem *addr);
+u64 zip_reg_read(u64 __iomem *addr);
+void zip_update_cmd_bufs(struct zip_device *zip_dev, u32 queue);
+u32 zip_load_instr(union zip_inst_s *instr, struct zip_device *zip_dev);
+
+#endif /* ZIP_MAIN_H */
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_mem.c b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_mem.c
new file mode 100644
index 0000000..b3e0843
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_mem.c
@@ -0,0 +1,114 @@
+/***********************license start************************************
+ * Copyright (c) 2003-2017 Cavium, Inc.
+ * All rights reserved.
+ *
+ * License: one of 'Cavium License' or 'GNU General Public License Version 2'
+ *
+ * This file is provided under the terms of the Cavium License (see below)
+ * or under the terms of GNU General Public License, Version 2, as
+ * published by the Free Software Foundation. When using or redistributing
+ * this file, you may do so under either license.
+ *
+ * Cavium License: Redistribution and use in source and binary forms, with
+ * or without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * * Neither the name of Cavium Inc. nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * This Software, including technical data, may be subject to U.S. export
+ * control laws, including the U.S. Export Administration Act and its
+ * associated regulations, and may be subject to export or import
+ * regulations in other countries.
+ *
+ * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+ * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS
+ * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
+ * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
+ * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
+ * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY)
+ * WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
+ * PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET
+ * ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE
+ * ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES
+ * WITH YOU.
+ ***********************license end**************************************/
+
+#include <linux/types.h>
+#include <linux/vmalloc.h>
+
+#include "common.h"
+
+/**
+ * zip_cmd_qbuf_alloc - Allocates a cmd buffer for ZIP Instruction Queue
+ * @zip: Pointer to zip device structure
+ * @q: Queue number to allocate bufffer to
+ * Return: 0 if successful, -ENOMEM otherwise
+ */
+int zip_cmd_qbuf_alloc(struct zip_device *zip, int q)
+{
+ zip->iq[q].sw_head = (u64 *)__get_free_pages((GFP_KERNEL | GFP_DMA),
+ get_order(ZIP_CMD_QBUF_SIZE));
+
+ if (!zip->iq[q].sw_head)
+ return -ENOMEM;
+
+ memset(zip->iq[q].sw_head, 0, ZIP_CMD_QBUF_SIZE);
+
+ zip_dbg("cmd_qbuf_alloc[%d] Success : %p\n", q, zip->iq[q].sw_head);
+ return 0;
+}
+
+/**
+ * zip_cmd_qbuf_free - Frees the cmd Queue buffer
+ * @zip: Pointer to zip device structure
+ * @q: Queue number to free buffer of
+ */
+void zip_cmd_qbuf_free(struct zip_device *zip, int q)
+{
+ zip_dbg("Freeing cmd_qbuf 0x%lx\n", zip->iq[q].sw_tail);
+
+ free_pages((u64)zip->iq[q].sw_tail, get_order(ZIP_CMD_QBUF_SIZE));
+}
+
+/**
+ * zip_data_buf_alloc - Allocates memory for a data bufffer
+ * @size: Size of the buffer to allocate
+ * Returns: Pointer to the buffer allocated
+ */
+u8 *zip_data_buf_alloc(u64 size)
+{
+ u8 *ptr;
+
+ ptr = (u8 *)__get_free_pages((GFP_KERNEL | GFP_DMA),
+ get_order(size));
+
+ if (!ptr)
+ return NULL;
+
+ memset(ptr, 0, size);
+
+ zip_dbg("Data buffer allocation success\n");
+ return ptr;
+}
+
+/**
+ * zip_data_buf_free - Frees the memory of a data buffer
+ * @ptr: Pointer to the buffer
+ * @size: Buffer size
+ */
+void zip_data_buf_free(u8 *ptr, u64 size)
+{
+ zip_dbg("Freeing data buffer 0x%lx\n", ptr);
+
+ free_pages((u64)ptr, get_order(size));
+}
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_mem.h b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_mem.h
new file mode 100644
index 0000000..f8f2f08
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_mem.h
@@ -0,0 +1,78 @@
+/***********************license start************************************
+ * Copyright (c) 2003-2017 Cavium, Inc.
+ * All rights reserved.
+ *
+ * License: one of 'Cavium License' or 'GNU General Public License Version 2'
+ *
+ * This file is provided under the terms of the Cavium License (see below)
+ * or under the terms of GNU General Public License, Version 2, as
+ * published by the Free Software Foundation. When using or redistributing
+ * this file, you may do so under either license.
+ *
+ * Cavium License: Redistribution and use in source and binary forms, with
+ * or without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * * Neither the name of Cavium Inc. nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * This Software, including technical data, may be subject to U.S. export
+ * control laws, including the U.S. Export Administration Act and its
+ * associated regulations, and may be subject to export or import
+ * regulations in other countries.
+ *
+ * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+ * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS
+ * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
+ * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
+ * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
+ * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY)
+ * WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
+ * PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET
+ * ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE
+ * ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES
+ * WITH YOU.
+ ***********************license end**************************************/
+
+#ifndef __ZIP_MEM_H__
+#define __ZIP_MEM_H__
+
+/**
+ * zip_cmd_qbuf_free - Frees the cmd Queue buffer
+ * @zip: Pointer to zip device structure
+ * @q: Queue nmber to free buffer of
+ */
+void zip_cmd_qbuf_free(struct zip_device *zip, int q);
+
+/**
+ * zip_cmd_qbuf_alloc - Allocates a Chunk/cmd buffer for ZIP Inst(cmd) Queue
+ * @zip: Pointer to zip device structure
+ * @q: Queue number to allocate bufffer to
+ * Return: 0 if successful, 1 otherwise
+ */
+int zip_cmd_qbuf_alloc(struct zip_device *zip, int q);
+
+/**
+ * zip_data_buf_alloc - Allocates memory for a data bufffer
+ * @size: Size of the buffer to allocate
+ * Returns: Pointer to the buffer allocated
+ */
+u8 *zip_data_buf_alloc(u64 size);
+
+/**
+ * zip_data_buf_free - Frees the memory of a data buffer
+ * @ptr: Pointer to the buffer
+ * @size: Buffer size
+ */
+void zip_data_buf_free(u8 *ptr, u64 size);
+
+#endif
diff --git a/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_regs.h b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_regs.h
new file mode 100644
index 0000000..d0be682
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/crypto/cavium/zip/zip_regs.h
@@ -0,0 +1,1347 @@
+/***********************license start************************************
+ * Copyright (c) 2003-2017 Cavium, Inc.
+ * All rights reserved.
+ *
+ * License: one of 'Cavium License' or 'GNU General Public License Version 2'
+ *
+ * This file is provided under the terms of the Cavium License (see below)
+ * or under the terms of GNU General Public License, Version 2, as
+ * published by the Free Software Foundation. When using or redistributing
+ * this file, you may do so under either license.
+ *
+ * Cavium License: Redistribution and use in source and binary forms, with
+ * or without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * * Neither the name of Cavium Inc. nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * This Software, including technical data, may be subject to U.S. export
+ * control laws, including the U.S. Export Administration Act and its
+ * associated regulations, and may be subject to export or import
+ * regulations in other countries.
+ *
+ * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+ * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS
+ * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
+ * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
+ * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
+ * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY)
+ * WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
+ * PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET
+ * ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE
+ * ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES
+ * WITH YOU.
+ ***********************license end**************************************/
+
+#ifndef __ZIP_REGS_H__
+#define __ZIP_REGS_H__
+
+/*
+ * Configuration and status register (CSR) address and type definitions for
+ * Cavium ZIP.
+ */
+
+#include <linux/kern_levels.h>
+
+/* ZIP invocation result completion status codes */
+#define ZIP_CMD_NOTDONE 0x0
+
+/* Successful completion. */
+#define ZIP_CMD_SUCCESS 0x1
+
+/* Output truncated */
+#define ZIP_CMD_DTRUNC 0x2
+
+/* Dynamic Stop */
+#define ZIP_CMD_DYNAMIC_STOP 0x3
+
+/* Uncompress ran out of input data when IWORD0[EF] was set */
+#define ZIP_CMD_ITRUNC 0x4
+
+/* Uncompress found the reserved block type 3 */
+#define ZIP_CMD_RBLOCK 0x5
+
+/*
+ * Uncompress found LEN != ZIP_CMD_NLEN in an uncompressed block in the input.
+ */
+#define ZIP_CMD_NLEN 0x6
+
+/* Uncompress found a bad code in the main Huffman codes. */
+#define ZIP_CMD_BADCODE 0x7
+
+/* Uncompress found a bad code in the 19 Huffman codes encoding lengths. */
+#define ZIP_CMD_BADCODE2 0x8
+
+/* Compress found a zero-length input. */
+#define ZIP_CMD_ZERO_LEN 0x9
+
+/* The compress or decompress encountered an internal parity error. */
+#define ZIP_CMD_PARITY 0xA
+
+/*
+ * Uncompress found a string identifier that precedes the uncompressed data and
+ * decompression history.
+ */
+#define ZIP_CMD_FATAL 0xB
+
+/**
+ * enum zip_int_vec_e - ZIP MSI-X Vector Enumeration, enumerates the MSI-X
+ * interrupt vectors.
+ */
+enum zip_int_vec_e {
+ ZIP_INT_VEC_E_ECCE = 0x10,
+ ZIP_INT_VEC_E_FIFE = 0x11,
+ ZIP_INT_VEC_E_QUE0_DONE = 0x0,
+ ZIP_INT_VEC_E_QUE0_ERR = 0x8,
+ ZIP_INT_VEC_E_QUE1_DONE = 0x1,
+ ZIP_INT_VEC_E_QUE1_ERR = 0x9,
+ ZIP_INT_VEC_E_QUE2_DONE = 0x2,
+ ZIP_INT_VEC_E_QUE2_ERR = 0xa,
+ ZIP_INT_VEC_E_QUE3_DONE = 0x3,
+ ZIP_INT_VEC_E_QUE3_ERR = 0xb,
+ ZIP_INT_VEC_E_QUE4_DONE = 0x4,
+ ZIP_INT_VEC_E_QUE4_ERR = 0xc,
+ ZIP_INT_VEC_E_QUE5_DONE = 0x5,
+ ZIP_INT_VEC_E_QUE5_ERR = 0xd,
+ ZIP_INT_VEC_E_QUE6_DONE = 0x6,
+ ZIP_INT_VEC_E_QUE6_ERR = 0xe,
+ ZIP_INT_VEC_E_QUE7_DONE = 0x7,
+ ZIP_INT_VEC_E_QUE7_ERR = 0xf,
+ ZIP_INT_VEC_E_ENUM_LAST = 0x12,
+};
+
+/**
+ * union zip_zptr_addr_s - ZIP Generic Pointer Structure for ADDR.
+ *
+ * It is the generic format of pointers in ZIP_INST_S.
+ */
+union zip_zptr_addr_s {
+ u64 u_reg64;
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_49_63 : 15;
+ u64 addr : 49;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 addr : 49;
+ u64 reserved_49_63 : 15;
+#endif
+ } s;
+
+};
+
+/**
+ * union zip_zptr_ctl_s - ZIP Generic Pointer Structure for CTL.
+ *
+ * It is the generic format of pointers in ZIP_INST_S.
+ */
+union zip_zptr_ctl_s {
+ u64 u_reg64;
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_112_127 : 16;
+ u64 length : 16;
+ u64 reserved_67_95 : 29;
+ u64 fw : 1;
+ u64 nc : 1;
+ u64 data_be : 1;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 data_be : 1;
+ u64 nc : 1;
+ u64 fw : 1;
+ u64 reserved_67_95 : 29;
+ u64 length : 16;
+ u64 reserved_112_127 : 16;
+#endif
+ } s;
+};
+
+/**
+ * union zip_inst_s - ZIP Instruction Structure.
+ * Each ZIP instruction has 16 words (they are called IWORD0 to IWORD15 within
+ * the structure).
+ */
+union zip_inst_s {
+ u64 u_reg64[16];
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 doneint : 1;
+ u64 reserved_56_62 : 7;
+ u64 totaloutputlength : 24;
+ u64 reserved_27_31 : 5;
+ u64 exn : 3;
+ u64 reserved_23_23 : 1;
+ u64 exbits : 7;
+ u64 reserved_12_15 : 4;
+ u64 sf : 1;
+ u64 ss : 2;
+ u64 cc : 2;
+ u64 ef : 1;
+ u64 bf : 1;
+ u64 ce : 1;
+ u64 reserved_3_3 : 1;
+ u64 ds : 1;
+ u64 dg : 1;
+ u64 hg : 1;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 hg : 1;
+ u64 dg : 1;
+ u64 ds : 1;
+ u64 reserved_3_3 : 1;
+ u64 ce : 1;
+ u64 bf : 1;
+ u64 ef : 1;
+ u64 cc : 2;
+ u64 ss : 2;
+ u64 sf : 1;
+ u64 reserved_12_15 : 4;
+ u64 exbits : 7;
+ u64 reserved_23_23 : 1;
+ u64 exn : 3;
+ u64 reserved_27_31 : 5;
+ u64 totaloutputlength : 24;
+ u64 reserved_56_62 : 7;
+ u64 doneint : 1;
+#endif
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 historylength : 16;
+ u64 reserved_96_111 : 16;
+ u64 adlercrc32 : 32;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 adlercrc32 : 32;
+ u64 reserved_96_111 : 16;
+ u64 historylength : 16;
+#endif
+ union zip_zptr_addr_s ctx_ptr_addr;
+ union zip_zptr_ctl_s ctx_ptr_ctl;
+ union zip_zptr_addr_s his_ptr_addr;
+ union zip_zptr_ctl_s his_ptr_ctl;
+ union zip_zptr_addr_s inp_ptr_addr;
+ union zip_zptr_ctl_s inp_ptr_ctl;
+ union zip_zptr_addr_s out_ptr_addr;
+ union zip_zptr_ctl_s out_ptr_ctl;
+ union zip_zptr_addr_s res_ptr_addr;
+ union zip_zptr_ctl_s res_ptr_ctl;
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_817_831 : 15;
+ u64 wq_ptr : 49;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 wq_ptr : 49;
+ u64 reserved_817_831 : 15;
+#endif
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_882_895 : 14;
+ u64 tt : 2;
+ u64 reserved_874_879 : 6;
+ u64 grp : 10;
+ u64 tag : 32;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 tag : 32;
+ u64 grp : 10;
+ u64 reserved_874_879 : 6;
+ u64 tt : 2;
+ u64 reserved_882_895 : 14;
+#endif
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_896_959 : 64;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 reserved_896_959 : 64;
+#endif
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_960_1023 : 64;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 reserved_960_1023 : 64;
+#endif
+ } s;
+};
+
+/**
+ * union zip_nptr_s - ZIP Instruction Next-Chunk-Buffer Pointer (NPTR)
+ * Structure
+ *
+ * ZIP_NPTR structure is used to chain all the zip instruction buffers
+ * together. ZIP instruction buffers are managed (allocated and released) by
+ * the software.
+ */
+union zip_nptr_s {
+ u64 u_reg64;
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_49_63 : 15;
+ u64 addr : 49;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 addr : 49;
+ u64 reserved_49_63 : 15;
+#endif
+ } s;
+};
+
+/**
+ * union zip_zptr_s - ZIP Generic Pointer Structure.
+ *
+ * It is the generic format of pointers in ZIP_INST_S.
+ */
+union zip_zptr_s {
+ u64 u_reg64[2];
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_49_63 : 15;
+ u64 addr : 49;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 addr : 49;
+ u64 reserved_49_63 : 15;
+#endif
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_112_127 : 16;
+ u64 length : 16;
+ u64 reserved_67_95 : 29;
+ u64 fw : 1;
+ u64 nc : 1;
+ u64 data_be : 1;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 data_be : 1;
+ u64 nc : 1;
+ u64 fw : 1;
+ u64 reserved_67_95 : 29;
+ u64 length : 16;
+ u64 reserved_112_127 : 16;
+#endif
+ } s;
+};
+
+/**
+ * union zip_zres_s - ZIP Result Structure
+ *
+ * The ZIP coprocessor writes the result structure after it completes the
+ * invocation. The result structure is exactly 24 bytes, and each invocation of
+ * the ZIP coprocessor produces exactly one result structure.
+ */
+union zip_zres_s {
+ u64 u_reg64[3];
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 crc32 : 32;
+ u64 adler32 : 32;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 adler32 : 32;
+ u64 crc32 : 32;
+#endif
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 totalbyteswritten : 32;
+ u64 totalbytesread : 32;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 totalbytesread : 32;
+ u64 totalbyteswritten : 32;
+#endif
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 totalbitsprocessed : 32;
+ u64 doneint : 1;
+ u64 reserved_155_158 : 4;
+ u64 exn : 3;
+ u64 reserved_151_151 : 1;
+ u64 exbits : 7;
+ u64 reserved_137_143 : 7;
+ u64 ef : 1;
+
+ volatile u64 compcode : 8;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+
+ volatile u64 compcode : 8;
+ u64 ef : 1;
+ u64 reserved_137_143 : 7;
+ u64 exbits : 7;
+ u64 reserved_151_151 : 1;
+ u64 exn : 3;
+ u64 reserved_155_158 : 4;
+ u64 doneint : 1;
+ u64 totalbitsprocessed : 32;
+#endif
+ } s;
+};
+
+/**
+ * union zip_cmd_ctl - Structure representing the register that controls
+ * clock and reset.
+ */
+union zip_cmd_ctl {
+ u64 u_reg64;
+ struct zip_cmd_ctl_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_2_63 : 62;
+ u64 forceclk : 1;
+ u64 reset : 1;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 reset : 1;
+ u64 forceclk : 1;
+ u64 reserved_2_63 : 62;
+#endif
+ } s;
+};
+
+#define ZIP_CMD_CTL 0x0ull
+
+/**
+ * union zip_constants - Data structure representing the register that contains
+ * all of the current implementation-related parameters of the zip core in this
+ * chip.
+ */
+union zip_constants {
+ u64 u_reg64;
+ struct zip_constants_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 nexec : 8;
+ u64 reserved_49_55 : 7;
+ u64 syncflush_capable : 1;
+ u64 depth : 16;
+ u64 onfsize : 12;
+ u64 ctxsize : 12;
+ u64 reserved_1_7 : 7;
+ u64 disabled : 1;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 disabled : 1;
+ u64 reserved_1_7 : 7;
+ u64 ctxsize : 12;
+ u64 onfsize : 12;
+ u64 depth : 16;
+ u64 syncflush_capable : 1;
+ u64 reserved_49_55 : 7;
+ u64 nexec : 8;
+#endif
+ } s;
+};
+
+#define ZIP_CONSTANTS 0x00A0ull
+
+/**
+ * union zip_corex_bist_status - Represents registers which have the BIST
+ * status of memories in zip cores.
+ *
+ * Each bit is the BIST result of an individual memory
+ * (per bit, 0 = pass and 1 = fail).
+ */
+union zip_corex_bist_status {
+ u64 u_reg64;
+ struct zip_corex_bist_status_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_53_63 : 11;
+ u64 bstatus : 53;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 bstatus : 53;
+ u64 reserved_53_63 : 11;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_COREX_BIST_STATUS(u64 param1)
+{
+ if (((param1 <= 1)))
+ return 0x0520ull + (param1 & 1) * 0x8ull;
+ pr_err("ZIP_COREX_BIST_STATUS: %llu\n", param1);
+ return 0;
+}
+
+/**
+ * union zip_ctl_bist_status - Represents register that has the BIST status of
+ * memories in ZIP_CTL (instruction buffer, G/S pointer FIFO, input data
+ * buffer, output data buffers).
+ *
+ * Each bit is the BIST result of an individual memory
+ * (per bit, 0 = pass and 1 = fail).
+ */
+union zip_ctl_bist_status {
+ u64 u_reg64;
+ struct zip_ctl_bist_status_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_9_63 : 55;
+ u64 bstatus : 9;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 bstatus : 9;
+ u64 reserved_9_63 : 55;
+#endif
+ } s;
+};
+
+#define ZIP_CTL_BIST_STATUS 0x0510ull
+
+/**
+ * union zip_ctl_cfg - Represents the register that controls the behavior of
+ * the ZIP DMA engines.
+ *
+ * It is recommended to keep default values for normal operation. Changing the
+ * values of the fields may be useful for diagnostics.
+ */
+union zip_ctl_cfg {
+ u64 u_reg64;
+ struct zip_ctl_cfg_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_52_63 : 12;
+ u64 ildf : 4;
+ u64 reserved_36_47 : 12;
+ u64 drtf : 4;
+ u64 reserved_27_31 : 5;
+ u64 stcf : 3;
+ u64 reserved_19_23 : 5;
+ u64 ldf : 3;
+ u64 reserved_2_15 : 14;
+ u64 busy : 1;
+ u64 reserved_0_0 : 1;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 reserved_0_0 : 1;
+ u64 busy : 1;
+ u64 reserved_2_15 : 14;
+ u64 ldf : 3;
+ u64 reserved_19_23 : 5;
+ u64 stcf : 3;
+ u64 reserved_27_31 : 5;
+ u64 drtf : 4;
+ u64 reserved_36_47 : 12;
+ u64 ildf : 4;
+ u64 reserved_52_63 : 12;
+#endif
+ } s;
+};
+
+#define ZIP_CTL_CFG 0x0560ull
+
+/**
+ * union zip_dbg_corex_inst - Represents the registers that reflect the status
+ * of the current instruction that the ZIP core is executing or has executed.
+ *
+ * These registers are only for debug use.
+ */
+union zip_dbg_corex_inst {
+ u64 u_reg64;
+ struct zip_dbg_corex_inst_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 busy : 1;
+ u64 reserved_35_62 : 28;
+ u64 qid : 3;
+ u64 iid : 32;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 iid : 32;
+ u64 qid : 3;
+ u64 reserved_35_62 : 28;
+ u64 busy : 1;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_DBG_COREX_INST(u64 param1)
+{
+ if (((param1 <= 1)))
+ return 0x0640ull + (param1 & 1) * 0x8ull;
+ pr_err("ZIP_DBG_COREX_INST: %llu\n", param1);
+ return 0;
+}
+
+/**
+ * union zip_dbg_corex_sta - Represents registers that reflect the status of
+ * the zip cores.
+ *
+ * They are for debug use only.
+ */
+union zip_dbg_corex_sta {
+ u64 u_reg64;
+ struct zip_dbg_corex_sta_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 busy : 1;
+ u64 reserved_37_62 : 26;
+ u64 ist : 5;
+ u64 nie : 32;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 nie : 32;
+ u64 ist : 5;
+ u64 reserved_37_62 : 26;
+ u64 busy : 1;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_DBG_COREX_STA(u64 param1)
+{
+ if (((param1 <= 1)))
+ return 0x0680ull + (param1 & 1) * 0x8ull;
+ pr_err("ZIP_DBG_COREX_STA: %llu\n", param1);
+ return 0;
+}
+
+/**
+ * union zip_dbg_quex_sta - Represets registers that reflect status of the zip
+ * instruction queues.
+ *
+ * They are for debug use only.
+ */
+union zip_dbg_quex_sta {
+ u64 u_reg64;
+ struct zip_dbg_quex_sta_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 busy : 1;
+ u64 reserved_56_62 : 7;
+ u64 rqwc : 24;
+ u64 nii : 32;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 nii : 32;
+ u64 rqwc : 24;
+ u64 reserved_56_62 : 7;
+ u64 busy : 1;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_DBG_QUEX_STA(u64 param1)
+{
+ if (((param1 <= 7)))
+ return 0x1800ull + (param1 & 7) * 0x8ull;
+ pr_err("ZIP_DBG_QUEX_STA: %llu\n", param1);
+ return 0;
+}
+
+/**
+ * union zip_ecc_ctl - Represents the register that enables ECC for each
+ * individual internal memory that requires ECC.
+ *
+ * For debug purpose, it can also flip one or two bits in the ECC data.
+ */
+union zip_ecc_ctl {
+ u64 u_reg64;
+ struct zip_ecc_ctl_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_19_63 : 45;
+ u64 vmem_cdis : 1;
+ u64 vmem_fs : 2;
+ u64 reserved_15_15 : 1;
+ u64 idf1_cdis : 1;
+ u64 idf1_fs : 2;
+ u64 reserved_11_11 : 1;
+ u64 idf0_cdis : 1;
+ u64 idf0_fs : 2;
+ u64 reserved_7_7 : 1;
+ u64 gspf_cdis : 1;
+ u64 gspf_fs : 2;
+ u64 reserved_3_3 : 1;
+ u64 iqf_cdis : 1;
+ u64 iqf_fs : 2;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 iqf_fs : 2;
+ u64 iqf_cdis : 1;
+ u64 reserved_3_3 : 1;
+ u64 gspf_fs : 2;
+ u64 gspf_cdis : 1;
+ u64 reserved_7_7 : 1;
+ u64 idf0_fs : 2;
+ u64 idf0_cdis : 1;
+ u64 reserved_11_11 : 1;
+ u64 idf1_fs : 2;
+ u64 idf1_cdis : 1;
+ u64 reserved_15_15 : 1;
+ u64 vmem_fs : 2;
+ u64 vmem_cdis : 1;
+ u64 reserved_19_63 : 45;
+#endif
+ } s;
+};
+
+#define ZIP_ECC_CTL 0x0568ull
+
+/* NCB - zip_ecce_ena_w1c */
+union zip_ecce_ena_w1c {
+ u64 u_reg64;
+ struct zip_ecce_ena_w1c_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_37_63 : 27;
+ u64 dbe : 5;
+ u64 reserved_5_31 : 27;
+ u64 sbe : 5;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 sbe : 5;
+ u64 reserved_5_31 : 27;
+ u64 dbe : 5;
+ u64 reserved_37_63 : 27;
+#endif
+ } s;
+};
+
+#define ZIP_ECCE_ENA_W1C 0x0598ull
+
+/* NCB - zip_ecce_ena_w1s */
+union zip_ecce_ena_w1s {
+ u64 u_reg64;
+ struct zip_ecce_ena_w1s_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_37_63 : 27;
+ u64 dbe : 5;
+ u64 reserved_5_31 : 27;
+ u64 sbe : 5;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 sbe : 5;
+ u64 reserved_5_31 : 27;
+ u64 dbe : 5;
+ u64 reserved_37_63 : 27;
+#endif
+ } s;
+};
+
+#define ZIP_ECCE_ENA_W1S 0x0590ull
+
+/**
+ * union zip_ecce_int - Represents the register that contains the status of the
+ * ECC interrupt sources.
+ */
+union zip_ecce_int {
+ u64 u_reg64;
+ struct zip_ecce_int_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_37_63 : 27;
+ u64 dbe : 5;
+ u64 reserved_5_31 : 27;
+ u64 sbe : 5;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 sbe : 5;
+ u64 reserved_5_31 : 27;
+ u64 dbe : 5;
+ u64 reserved_37_63 : 27;
+#endif
+ } s;
+};
+
+#define ZIP_ECCE_INT 0x0580ull
+
+/* NCB - zip_ecce_int_w1s */
+union zip_ecce_int_w1s {
+ u64 u_reg64;
+ struct zip_ecce_int_w1s_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_37_63 : 27;
+ u64 dbe : 5;
+ u64 reserved_5_31 : 27;
+ u64 sbe : 5;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 sbe : 5;
+ u64 reserved_5_31 : 27;
+ u64 dbe : 5;
+ u64 reserved_37_63 : 27;
+#endif
+ } s;
+};
+
+#define ZIP_ECCE_INT_W1S 0x0588ull
+
+/* NCB - zip_fife_ena_w1c */
+union zip_fife_ena_w1c {
+ u64 u_reg64;
+ struct zip_fife_ena_w1c_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_42_63 : 22;
+ u64 asserts : 42;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 asserts : 42;
+ u64 reserved_42_63 : 22;
+#endif
+ } s;
+};
+
+#define ZIP_FIFE_ENA_W1C 0x0090ull
+
+/* NCB - zip_fife_ena_w1s */
+union zip_fife_ena_w1s {
+ u64 u_reg64;
+ struct zip_fife_ena_w1s_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_42_63 : 22;
+ u64 asserts : 42;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 asserts : 42;
+ u64 reserved_42_63 : 22;
+#endif
+ } s;
+};
+
+#define ZIP_FIFE_ENA_W1S 0x0088ull
+
+/* NCB - zip_fife_int */
+union zip_fife_int {
+ u64 u_reg64;
+ struct zip_fife_int_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_42_63 : 22;
+ u64 asserts : 42;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 asserts : 42;
+ u64 reserved_42_63 : 22;
+#endif
+ } s;
+};
+
+#define ZIP_FIFE_INT 0x0078ull
+
+/* NCB - zip_fife_int_w1s */
+union zip_fife_int_w1s {
+ u64 u_reg64;
+ struct zip_fife_int_w1s_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_42_63 : 22;
+ u64 asserts : 42;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 asserts : 42;
+ u64 reserved_42_63 : 22;
+#endif
+ } s;
+};
+
+#define ZIP_FIFE_INT_W1S 0x0080ull
+
+/**
+ * union zip_msix_pbax - Represents the register that is the MSI-X PBA table
+ *
+ * The bit number is indexed by the ZIP_INT_VEC_E enumeration.
+ */
+union zip_msix_pbax {
+ u64 u_reg64;
+ struct zip_msix_pbax_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 pend : 64;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 pend : 64;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_MSIX_PBAX(u64 param1)
+{
+ if (((param1 == 0)))
+ return 0x0000838000FF0000ull;
+ pr_err("ZIP_MSIX_PBAX: %llu\n", param1);
+ return 0;
+}
+
+/**
+ * union zip_msix_vecx_addr - Represents the register that is the MSI-X vector
+ * table, indexed by the ZIP_INT_VEC_E enumeration.
+ */
+union zip_msix_vecx_addr {
+ u64 u_reg64;
+ struct zip_msix_vecx_addr_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_49_63 : 15;
+ u64 addr : 47;
+ u64 reserved_1_1 : 1;
+ u64 secvec : 1;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 secvec : 1;
+ u64 reserved_1_1 : 1;
+ u64 addr : 47;
+ u64 reserved_49_63 : 15;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_MSIX_VECX_ADDR(u64 param1)
+{
+ if (((param1 <= 17)))
+ return 0x0000838000F00000ull + (param1 & 31) * 0x10ull;
+ pr_err("ZIP_MSIX_VECX_ADDR: %llu\n", param1);
+ return 0;
+}
+
+/**
+ * union zip_msix_vecx_ctl - Represents the register that is the MSI-X vector
+ * table, indexed by the ZIP_INT_VEC_E enumeration.
+ */
+union zip_msix_vecx_ctl {
+ u64 u_reg64;
+ struct zip_msix_vecx_ctl_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_33_63 : 31;
+ u64 mask : 1;
+ u64 reserved_20_31 : 12;
+ u64 data : 20;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 data : 20;
+ u64 reserved_20_31 : 12;
+ u64 mask : 1;
+ u64 reserved_33_63 : 31;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_MSIX_VECX_CTL(u64 param1)
+{
+ if (((param1 <= 17)))
+ return 0x0000838000F00008ull + (param1 & 31) * 0x10ull;
+ pr_err("ZIP_MSIX_VECX_CTL: %llu\n", param1);
+ return 0;
+}
+
+/**
+ * union zip_quex_done - Represents the registers that contain the per-queue
+ * instruction done count.
+ */
+union zip_quex_done {
+ u64 u_reg64;
+ struct zip_quex_done_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_20_63 : 44;
+ u64 done : 20;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 done : 20;
+ u64 reserved_20_63 : 44;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_QUEX_DONE(u64 param1)
+{
+ if (((param1 <= 7)))
+ return 0x2000ull + (param1 & 7) * 0x8ull;
+ pr_err("ZIP_QUEX_DONE: %llu\n", param1);
+ return 0;
+}
+
+/**
+ * union zip_quex_done_ack - Represents the registers on write to which will
+ * decrement the per-queue instructiona done count.
+ */
+union zip_quex_done_ack {
+ u64 u_reg64;
+ struct zip_quex_done_ack_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_20_63 : 44;
+ u64 done_ack : 20;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 done_ack : 20;
+ u64 reserved_20_63 : 44;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_QUEX_DONE_ACK(u64 param1)
+{
+ if (((param1 <= 7)))
+ return 0x2200ull + (param1 & 7) * 0x8ull;
+ pr_err("ZIP_QUEX_DONE_ACK: %llu\n", param1);
+ return 0;
+}
+
+/**
+ * union zip_quex_done_ena_w1c - Represents the register which when written
+ * 1 to will disable the DONEINT interrupt for the queue.
+ */
+union zip_quex_done_ena_w1c {
+ u64 u_reg64;
+ struct zip_quex_done_ena_w1c_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_1_63 : 63;
+ u64 done_ena : 1;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 done_ena : 1;
+ u64 reserved_1_63 : 63;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_QUEX_DONE_ENA_W1C(u64 param1)
+{
+ if (((param1 <= 7)))
+ return 0x2600ull + (param1 & 7) * 0x8ull;
+ pr_err("ZIP_QUEX_DONE_ENA_W1C: %llu\n", param1);
+ return 0;
+}
+
+/**
+ * union zip_quex_done_ena_w1s - Represents the register that when written 1 to
+ * will enable the DONEINT interrupt for the queue.
+ */
+union zip_quex_done_ena_w1s {
+ u64 u_reg64;
+ struct zip_quex_done_ena_w1s_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_1_63 : 63;
+ u64 done_ena : 1;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 done_ena : 1;
+ u64 reserved_1_63 : 63;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_QUEX_DONE_ENA_W1S(u64 param1)
+{
+ if (((param1 <= 7)))
+ return 0x2400ull + (param1 & 7) * 0x8ull;
+ pr_err("ZIP_QUEX_DONE_ENA_W1S: %llu\n", param1);
+ return 0;
+}
+
+/**
+ * union zip_quex_done_wait - Represents the register that specifies the per
+ * queue interrupt coalescing settings.
+ */
+union zip_quex_done_wait {
+ u64 u_reg64;
+ struct zip_quex_done_wait_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_48_63 : 16;
+ u64 time_wait : 16;
+ u64 reserved_20_31 : 12;
+ u64 num_wait : 20;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 num_wait : 20;
+ u64 reserved_20_31 : 12;
+ u64 time_wait : 16;
+ u64 reserved_48_63 : 16;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_QUEX_DONE_WAIT(u64 param1)
+{
+ if (((param1 <= 7)))
+ return 0x2800ull + (param1 & 7) * 0x8ull;
+ pr_err("ZIP_QUEX_DONE_WAIT: %llu\n", param1);
+ return 0;
+}
+
+/**
+ * union zip_quex_doorbell - Represents doorbell registers for the ZIP
+ * instruction queues.
+ */
+union zip_quex_doorbell {
+ u64 u_reg64;
+ struct zip_quex_doorbell_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_20_63 : 44;
+ u64 dbell_cnt : 20;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 dbell_cnt : 20;
+ u64 reserved_20_63 : 44;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_QUEX_DOORBELL(u64 param1)
+{
+ if (((param1 <= 7)))
+ return 0x4000ull + (param1 & 7) * 0x8ull;
+ pr_err("ZIP_QUEX_DOORBELL: %llu\n", param1);
+ return 0;
+}
+
+union zip_quex_err_ena_w1c {
+ u64 u_reg64;
+ struct zip_quex_err_ena_w1c_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_5_63 : 59;
+ u64 mdbe : 1;
+ u64 nwrp : 1;
+ u64 nrrp : 1;
+ u64 irde : 1;
+ u64 dovf : 1;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 dovf : 1;
+ u64 irde : 1;
+ u64 nrrp : 1;
+ u64 nwrp : 1;
+ u64 mdbe : 1;
+ u64 reserved_5_63 : 59;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_QUEX_ERR_ENA_W1C(u64 param1)
+{
+ if (((param1 <= 7)))
+ return 0x3600ull + (param1 & 7) * 0x8ull;
+ pr_err("ZIP_QUEX_ERR_ENA_W1C: %llu\n", param1);
+ return 0;
+}
+
+union zip_quex_err_ena_w1s {
+ u64 u_reg64;
+ struct zip_quex_err_ena_w1s_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_5_63 : 59;
+ u64 mdbe : 1;
+ u64 nwrp : 1;
+ u64 nrrp : 1;
+ u64 irde : 1;
+ u64 dovf : 1;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 dovf : 1;
+ u64 irde : 1;
+ u64 nrrp : 1;
+ u64 nwrp : 1;
+ u64 mdbe : 1;
+ u64 reserved_5_63 : 59;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_QUEX_ERR_ENA_W1S(u64 param1)
+{
+ if (((param1 <= 7)))
+ return 0x3400ull + (param1 & 7) * 0x8ull;
+ pr_err("ZIP_QUEX_ERR_ENA_W1S: %llu\n", param1);
+ return 0;
+}
+
+/**
+ * union zip_quex_err_int - Represents registers that contain the per-queue
+ * error interrupts.
+ */
+union zip_quex_err_int {
+ u64 u_reg64;
+ struct zip_quex_err_int_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_5_63 : 59;
+ u64 mdbe : 1;
+ u64 nwrp : 1;
+ u64 nrrp : 1;
+ u64 irde : 1;
+ u64 dovf : 1;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 dovf : 1;
+ u64 irde : 1;
+ u64 nrrp : 1;
+ u64 nwrp : 1;
+ u64 mdbe : 1;
+ u64 reserved_5_63 : 59;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_QUEX_ERR_INT(u64 param1)
+{
+ if (((param1 <= 7)))
+ return 0x3000ull + (param1 & 7) * 0x8ull;
+ pr_err("ZIP_QUEX_ERR_INT: %llu\n", param1);
+ return 0;
+}
+
+/* NCB - zip_que#_err_int_w1s */
+union zip_quex_err_int_w1s {
+ u64 u_reg64;
+ struct zip_quex_err_int_w1s_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_5_63 : 59;
+ u64 mdbe : 1;
+ u64 nwrp : 1;
+ u64 nrrp : 1;
+ u64 irde : 1;
+ u64 dovf : 1;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 dovf : 1;
+ u64 irde : 1;
+ u64 nrrp : 1;
+ u64 nwrp : 1;
+ u64 mdbe : 1;
+ u64 reserved_5_63 : 59;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_QUEX_ERR_INT_W1S(u64 param1)
+{
+ if (((param1 <= 7)))
+ return 0x3200ull + (param1 & 7) * 0x8ull;
+ pr_err("ZIP_QUEX_ERR_INT_W1S: %llu\n", param1);
+ return 0;
+}
+
+/**
+ * union zip_quex_gcfg - Represents the registers that reflect status of the
+ * zip instruction queues,debug use only.
+ */
+union zip_quex_gcfg {
+ u64 u_reg64;
+ struct zip_quex_gcfg_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_4_63 : 60;
+ u64 iqb_ldwb : 1;
+ u64 cbw_sty : 1;
+ u64 l2ld_cmd : 2;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 l2ld_cmd : 2;
+ u64 cbw_sty : 1;
+ u64 iqb_ldwb : 1;
+ u64 reserved_4_63 : 60;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_QUEX_GCFG(u64 param1)
+{
+ if (((param1 <= 7)))
+ return 0x1A00ull + (param1 & 7) * 0x8ull;
+ pr_err("ZIP_QUEX_GCFG: %llu\n", param1);
+ return 0;
+}
+
+/**
+ * union zip_quex_map - Represents the registers that control how each
+ * instruction queue maps to zip cores.
+ */
+union zip_quex_map {
+ u64 u_reg64;
+ struct zip_quex_map_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_2_63 : 62;
+ u64 zce : 2;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 zce : 2;
+ u64 reserved_2_63 : 62;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_QUEX_MAP(u64 param1)
+{
+ if (((param1 <= 7)))
+ return 0x1400ull + (param1 & 7) * 0x8ull;
+ pr_err("ZIP_QUEX_MAP: %llu\n", param1);
+ return 0;
+}
+
+/**
+ * union zip_quex_sbuf_addr - Represents the registers that set the buffer
+ * parameters for the instruction queues.
+ *
+ * When quiescent (i.e. outstanding doorbell count is 0), it is safe to rewrite
+ * this register to effectively reset the command buffer state machine.
+ * These registers must be programmed after SW programs the corresponding
+ * ZIP_QUE(0..7)_SBUF_CTL.
+ */
+union zip_quex_sbuf_addr {
+ u64 u_reg64;
+ struct zip_quex_sbuf_addr_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_49_63 : 15;
+ u64 ptr : 42;
+ u64 off : 7;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 off : 7;
+ u64 ptr : 42;
+ u64 reserved_49_63 : 15;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_QUEX_SBUF_ADDR(u64 param1)
+{
+ if (((param1 <= 7)))
+ return 0x1000ull + (param1 & 7) * 0x8ull;
+ pr_err("ZIP_QUEX_SBUF_ADDR: %llu\n", param1);
+ return 0;
+}
+
+/**
+ * union zip_quex_sbuf_ctl - Represents the registers that set the buffer
+ * parameters for the instruction queues.
+ *
+ * When quiescent (i.e. outstanding doorbell count is 0), it is safe to rewrite
+ * this register to effectively reset the command buffer state machine.
+ * These registers must be programmed before SW programs the corresponding
+ * ZIP_QUE(0..7)_SBUF_ADDR.
+ */
+union zip_quex_sbuf_ctl {
+ u64 u_reg64;
+ struct zip_quex_sbuf_ctl_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_45_63 : 19;
+ u64 size : 13;
+ u64 inst_be : 1;
+ u64 reserved_24_30 : 7;
+ u64 stream_id : 8;
+ u64 reserved_12_15 : 4;
+ u64 aura : 12;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 aura : 12;
+ u64 reserved_12_15 : 4;
+ u64 stream_id : 8;
+ u64 reserved_24_30 : 7;
+ u64 inst_be : 1;
+ u64 size : 13;
+ u64 reserved_45_63 : 19;
+#endif
+ } s;
+};
+
+static inline u64 ZIP_QUEX_SBUF_CTL(u64 param1)
+{
+ if (((param1 <= 7)))
+ return 0x1200ull + (param1 & 7) * 0x8ull;
+ pr_err("ZIP_QUEX_SBUF_CTL: %llu\n", param1);
+ return 0;
+}
+
+/**
+ * union zip_que_ena - Represents queue enable register
+ *
+ * If a queue is disabled, ZIP_CTL stops fetching instructions from the queue.
+ */
+union zip_que_ena {
+ u64 u_reg64;
+ struct zip_que_ena_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_8_63 : 56;
+ u64 ena : 8;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 ena : 8;
+ u64 reserved_8_63 : 56;
+#endif
+ } s;
+};
+
+#define ZIP_QUE_ENA 0x0500ull
+
+/**
+ * union zip_que_pri - Represents the register that defines the priority
+ * between instruction queues.
+ */
+union zip_que_pri {
+ u64 u_reg64;
+ struct zip_que_pri_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_8_63 : 56;
+ u64 pri : 8;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 pri : 8;
+ u64 reserved_8_63 : 56;
+#endif
+ } s;
+};
+
+#define ZIP_QUE_PRI 0x0508ull
+
+/**
+ * union zip_throttle - Represents the register that controls the maximum
+ * number of in-flight X2I data fetch transactions.
+ *
+ * Writing 0 to this register causes the ZIP module to temporarily suspend NCB
+ * accesses; it is not recommended for normal operation, but may be useful for
+ * diagnostics.
+ */
+union zip_throttle {
+ u64 u_reg64;
+ struct zip_throttle_s {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 reserved_6_63 : 58;
+ u64 ld_infl : 6;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u64 ld_infl : 6;
+ u64 reserved_6_63 : 58;
+#endif
+ } s;
+};
+
+#define ZIP_THROTTLE 0x0010ull
+
+#endif /* _CSRS_ZIP__ */