[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/char/tpm/tpm.h b/src/kernel/linux/v4.14/drivers/char/tpm/tpm.h
new file mode 100644
index 0000000..019fe80
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/char/tpm/tpm.h
@@ -0,0 +1,596 @@
+/*
+ * Copyright (C) 2004 IBM Corporation
+ * Copyright (C) 2015 Intel Corporation
+ *
+ * Authors:
+ * Leendert van Doorn <leendert@watson.ibm.com>
+ * Dave Safford <safford@watson.ibm.com>
+ * Reiner Sailer <sailer@watson.ibm.com>
+ * Kylene Hall <kjhall@us.ibm.com>
+ *
+ * Maintained by: <tpmdd-devel@lists.sourceforge.net>
+ *
+ * Device driver for TCG/TCPA TPM (trusted platform module).
+ * Specifications at www.trustedcomputinggroup.org
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, version 2 of the
+ * License.
+ *
+ */
+
+#ifndef __TPM_H__
+#define __TPM_H__
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/fs.h>
+#include <linux/mutex.h>
+#include <linux/sched.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/tpm.h>
+#include <linux/acpi.h>
+#include <linux/cdev.h>
+#include <linux/highmem.h>
+#include <crypto/hash_info.h>
+
+#ifdef CONFIG_X86
+#include <asm/intel-family.h>
+#endif
+
+enum tpm_const {
+ TPM_MINOR = 224, /* officially assigned */
+ TPM_BUFSIZE = 4096,
+ TPM_NUM_DEVICES = 65536,
+ TPM_RETRY = 50, /* 5 seconds */
+ TPM_NUM_EVENT_LOG_FILES = 3,
+};
+
+enum tpm_timeout {
+ TPM_TIMEOUT = 5, /* msecs */
+ TPM_TIMEOUT_RETRY = 100, /* msecs */
+ TPM_TIMEOUT_RANGE_US = 300 /* usecs */
+};
+
+/* TPM addresses */
+enum tpm_addr {
+ TPM_SUPERIO_ADDR = 0x2E,
+ TPM_ADDR = 0x4E,
+};
+
+/* Indexes the duration array */
+enum tpm_duration {
+ TPM_SHORT = 0,
+ TPM_MEDIUM = 1,
+ TPM_LONG = 2,
+ TPM_UNDEFINED,
+};
+
+#define TPM_WARN_RETRY 0x800
+#define TPM_WARN_DOING_SELFTEST 0x802
+#define TPM_ERR_DEACTIVATED 0x6
+#define TPM_ERR_DISABLED 0x7
+#define TPM_ERR_INVALID_POSTINIT 38
+
+#define TPM_HEADER_SIZE 10
+
+enum tpm2_const {
+ TPM2_PLATFORM_PCR = 24,
+ TPM2_PCR_SELECT_MIN = ((TPM2_PLATFORM_PCR + 7) / 8),
+ TPM2_TIMEOUT_A = 750,
+ TPM2_TIMEOUT_B = 2000,
+ TPM2_TIMEOUT_C = 200,
+ TPM2_TIMEOUT_D = 30,
+ TPM2_DURATION_SHORT = 20,
+ TPM2_DURATION_MEDIUM = 750,
+ TPM2_DURATION_LONG = 2000,
+};
+
+enum tpm2_structures {
+ TPM2_ST_NO_SESSIONS = 0x8001,
+ TPM2_ST_SESSIONS = 0x8002,
+};
+
+/* Indicates from what layer of the software stack the error comes from */
+#define TSS2_RC_LAYER_SHIFT 16
+#define TSS2_RESMGR_TPM_RC_LAYER (11 << TSS2_RC_LAYER_SHIFT)
+
+enum tpm2_return_codes {
+ TPM2_RC_SUCCESS = 0x0000,
+ TPM2_RC_HASH = 0x0083, /* RC_FMT1 */
+ TPM2_RC_HANDLE = 0x008B,
+ TPM2_RC_INITIALIZE = 0x0100, /* RC_VER1 */
+ TPM2_RC_DISABLED = 0x0120,
+ TPM2_RC_COMMAND_CODE = 0x0143,
+ TPM2_RC_TESTING = 0x090A, /* RC_WARN */
+ TPM2_RC_REFERENCE_H0 = 0x0910,
+ TPM2_RC_RETRY = 0x0922,
+};
+
+enum tpm2_algorithms {
+ TPM2_ALG_ERROR = 0x0000,
+ TPM2_ALG_SHA1 = 0x0004,
+ TPM2_ALG_KEYEDHASH = 0x0008,
+ TPM2_ALG_SHA256 = 0x000B,
+ TPM2_ALG_SHA384 = 0x000C,
+ TPM2_ALG_SHA512 = 0x000D,
+ TPM2_ALG_NULL = 0x0010,
+ TPM2_ALG_SM3_256 = 0x0012,
+};
+
+enum tpm2_command_codes {
+ TPM2_CC_FIRST = 0x011F,
+ TPM2_CC_SELF_TEST = 0x0143,
+ TPM2_CC_STARTUP = 0x0144,
+ TPM2_CC_SHUTDOWN = 0x0145,
+ TPM2_CC_CREATE = 0x0153,
+ TPM2_CC_LOAD = 0x0157,
+ TPM2_CC_UNSEAL = 0x015E,
+ TPM2_CC_CONTEXT_LOAD = 0x0161,
+ TPM2_CC_CONTEXT_SAVE = 0x0162,
+ TPM2_CC_FLUSH_CONTEXT = 0x0165,
+ TPM2_CC_GET_CAPABILITY = 0x017A,
+ TPM2_CC_GET_RANDOM = 0x017B,
+ TPM2_CC_PCR_READ = 0x017E,
+ TPM2_CC_PCR_EXTEND = 0x0182,
+ TPM2_CC_LAST = 0x018F,
+};
+
+enum tpm2_permanent_handles {
+ TPM2_RS_PW = 0x40000009,
+};
+
+enum tpm2_capabilities {
+ TPM2_CAP_HANDLES = 1,
+ TPM2_CAP_COMMANDS = 2,
+ TPM2_CAP_PCRS = 5,
+ TPM2_CAP_TPM_PROPERTIES = 6,
+};
+
+enum tpm2_properties {
+ TPM_PT_TOTAL_COMMANDS = 0x0129,
+};
+
+enum tpm2_startup_types {
+ TPM2_SU_CLEAR = 0x0000,
+ TPM2_SU_STATE = 0x0001,
+};
+
+enum tpm2_cc_attrs {
+ TPM2_CC_ATTR_CHANDLES = 25,
+ TPM2_CC_ATTR_RHANDLE = 28,
+};
+
+#define TPM_VID_INTEL 0x8086
+#define TPM_VID_WINBOND 0x1050
+#define TPM_VID_STM 0x104A
+
+#define TPM_PPI_VERSION_LEN 3
+
+struct tpm_space {
+ u32 context_tbl[3];
+ u8 *context_buf;
+ u32 session_tbl[3];
+ u8 *session_buf;
+ u32 buf_size;
+};
+
+enum tpm_chip_flags {
+ TPM_CHIP_FLAG_TPM2 = BIT(1),
+ TPM_CHIP_FLAG_IRQ = BIT(2),
+ TPM_CHIP_FLAG_VIRTUAL = BIT(3),
+ TPM_CHIP_FLAG_HAVE_TIMEOUTS = BIT(4),
+ TPM_CHIP_FLAG_ALWAYS_POWERED = BIT(5),
+};
+
+struct tpm_bios_log {
+ void *bios_event_log;
+ void *bios_event_log_end;
+};
+
+struct tpm_chip_seqops {
+ struct tpm_chip *chip;
+ const struct seq_operations *seqops;
+};
+
+struct tpm_chip {
+ struct device dev;
+ struct device devs;
+ struct cdev cdev;
+ struct cdev cdevs;
+
+ /* A driver callback under ops cannot be run unless ops_sem is held
+ * (sometimes implicitly, eg for the sysfs code). ops becomes null
+ * when the driver is unregistered, see tpm_try_get_ops.
+ */
+ struct rw_semaphore ops_sem;
+ const struct tpm_class_ops *ops;
+
+ struct tpm_bios_log log;
+ struct tpm_chip_seqops bin_log_seqops;
+ struct tpm_chip_seqops ascii_log_seqops;
+
+ unsigned int flags;
+
+ int dev_num; /* /dev/tpm# */
+ unsigned long is_open; /* only one allowed */
+
+ struct mutex tpm_mutex; /* tpm is processing */
+
+ unsigned long timeout_a; /* jiffies */
+ unsigned long timeout_b; /* jiffies */
+ unsigned long timeout_c; /* jiffies */
+ unsigned long timeout_d; /* jiffies */
+ bool timeout_adjusted;
+ unsigned long duration[3]; /* jiffies */
+ bool duration_adjusted;
+
+ struct dentry *bios_dir[TPM_NUM_EVENT_LOG_FILES];
+
+ const struct attribute_group *groups[3];
+ unsigned int groups_cnt;
+
+ u16 active_banks[7];
+#ifdef CONFIG_ACPI
+ acpi_handle acpi_dev_handle;
+ char ppi_version[TPM_PPI_VERSION_LEN + 1];
+#endif /* CONFIG_ACPI */
+
+ struct tpm_space work_space;
+ u32 nr_commands;
+ u32 *cc_attrs_tbl;
+
+ /* active locality */
+ int locality;
+};
+
+#define to_tpm_chip(d) container_of(d, struct tpm_chip, dev)
+
+struct tpm_input_header {
+ __be16 tag;
+ __be32 length;
+ __be32 ordinal;
+} __packed;
+
+struct tpm_output_header {
+ __be16 tag;
+ __be32 length;
+ __be32 return_code;
+} __packed;
+
+#define TPM_TAG_RQU_COMMAND 193
+
+/* TPM2 specific constants. */
+#define TPM2_SPACE_BUFFER_SIZE 16384 /* 16 kB */
+
+struct stclear_flags_t {
+ __be16 tag;
+ u8 deactivated;
+ u8 disableForceClear;
+ u8 physicalPresence;
+ u8 physicalPresenceLock;
+ u8 bGlobalLock;
+} __packed;
+
+struct tpm_version_t {
+ u8 Major;
+ u8 Minor;
+ u8 revMajor;
+ u8 revMinor;
+} __packed;
+
+struct tpm_version_1_2_t {
+ __be16 tag;
+ u8 Major;
+ u8 Minor;
+ u8 revMajor;
+ u8 revMinor;
+} __packed;
+
+struct timeout_t {
+ __be32 a;
+ __be32 b;
+ __be32 c;
+ __be32 d;
+} __packed;
+
+struct duration_t {
+ __be32 tpm_short;
+ __be32 tpm_medium;
+ __be32 tpm_long;
+} __packed;
+
+struct permanent_flags_t {
+ __be16 tag;
+ u8 disable;
+ u8 ownership;
+ u8 deactivated;
+ u8 readPubek;
+ u8 disableOwnerClear;
+ u8 allowMaintenance;
+ u8 physicalPresenceLifetimeLock;
+ u8 physicalPresenceHWEnable;
+ u8 physicalPresenceCMDEnable;
+ u8 CEKPUsed;
+ u8 TPMpost;
+ u8 TPMpostLock;
+ u8 FIPS;
+ u8 operator;
+ u8 enableRevokeEK;
+ u8 nvLocked;
+ u8 readSRKPub;
+ u8 tpmEstablished;
+ u8 maintenanceDone;
+ u8 disableFullDALogicInfo;
+} __packed;
+
+typedef union {
+ struct permanent_flags_t perm_flags;
+ struct stclear_flags_t stclear_flags;
+ __u8 owned;
+ __be32 num_pcrs;
+ struct tpm_version_t tpm_version;
+ struct tpm_version_1_2_t tpm_version_1_2;
+ __be32 manufacturer_id;
+ struct timeout_t timeout;
+ struct duration_t duration;
+} cap_t;
+
+enum tpm_capabilities {
+ TPM_CAP_FLAG = 4,
+ TPM_CAP_PROP = 5,
+ TPM_CAP_VERSION_1_1 = 0x06,
+ TPM_CAP_VERSION_1_2 = 0x1A,
+};
+
+enum tpm_sub_capabilities {
+ TPM_CAP_PROP_PCR = 0x101,
+ TPM_CAP_PROP_MANUFACTURER = 0x103,
+ TPM_CAP_FLAG_PERM = 0x108,
+ TPM_CAP_FLAG_VOL = 0x109,
+ TPM_CAP_PROP_OWNER = 0x111,
+ TPM_CAP_PROP_TIS_TIMEOUT = 0x115,
+ TPM_CAP_PROP_TIS_DURATION = 0x120,
+};
+
+typedef union {
+ struct tpm_input_header in;
+ struct tpm_output_header out;
+} tpm_cmd_header;
+
+struct tpm_pcrread_out {
+ u8 pcr_result[TPM_DIGEST_SIZE];
+} __packed;
+
+struct tpm_pcrread_in {
+ __be32 pcr_idx;
+} __packed;
+
+/* 128 bytes is an arbitrary cap. This could be as large as TPM_BUFSIZE - 18
+ * bytes, but 128 is still a relatively large number of random bytes and
+ * anything much bigger causes users of struct tpm_cmd_t to start getting
+ * compiler warnings about stack frame size. */
+#define TPM_MAX_RNG_DATA 128
+
+struct tpm_getrandom_out {
+ __be32 rng_data_len;
+ u8 rng_data[TPM_MAX_RNG_DATA];
+} __packed;
+
+struct tpm_getrandom_in {
+ __be32 num_bytes;
+} __packed;
+
+typedef union {
+ struct tpm_pcrread_in pcrread_in;
+ struct tpm_pcrread_out pcrread_out;
+ struct tpm_getrandom_in getrandom_in;
+ struct tpm_getrandom_out getrandom_out;
+} tpm_cmd_params;
+
+struct tpm_cmd_t {
+ tpm_cmd_header header;
+ tpm_cmd_params params;
+} __packed;
+
+struct tpm2_digest {
+ u16 alg_id;
+ u8 digest[SHA512_DIGEST_SIZE];
+} __packed;
+
+/* A string buffer type for constructing TPM commands. This is based on the
+ * ideas of string buffer code in security/keys/trusted.h but is heap based
+ * in order to keep the stack usage minimal.
+ */
+
+enum tpm_buf_flags {
+ TPM_BUF_OVERFLOW = BIT(0),
+};
+
+struct tpm_buf {
+ struct page *data_page;
+ unsigned int flags;
+ u8 *data;
+};
+
+static inline int tpm_buf_init(struct tpm_buf *buf, u16 tag, u32 ordinal)
+{
+ struct tpm_input_header *head;
+
+ buf->data_page = alloc_page(GFP_HIGHUSER);
+ if (!buf->data_page)
+ return -ENOMEM;
+
+ buf->flags = 0;
+ buf->data = kmap(buf->data_page);
+
+ head = (struct tpm_input_header *) buf->data;
+
+ head->tag = cpu_to_be16(tag);
+ head->length = cpu_to_be32(sizeof(*head));
+ head->ordinal = cpu_to_be32(ordinal);
+
+ return 0;
+}
+
+static inline void tpm_buf_destroy(struct tpm_buf *buf)
+{
+ kunmap(buf->data_page);
+ __free_page(buf->data_page);
+}
+
+static inline u32 tpm_buf_length(struct tpm_buf *buf)
+{
+ struct tpm_input_header *head = (struct tpm_input_header *) buf->data;
+
+ return be32_to_cpu(head->length);
+}
+
+static inline u16 tpm_buf_tag(struct tpm_buf *buf)
+{
+ struct tpm_input_header *head = (struct tpm_input_header *) buf->data;
+
+ return be16_to_cpu(head->tag);
+}
+
+static inline void tpm_buf_append(struct tpm_buf *buf,
+ const unsigned char *new_data,
+ unsigned int new_len)
+{
+ struct tpm_input_header *head = (struct tpm_input_header *) buf->data;
+ u32 len = tpm_buf_length(buf);
+
+ /* Return silently if overflow has already happened. */
+ if (buf->flags & TPM_BUF_OVERFLOW)
+ return;
+
+ if ((len + new_len) > PAGE_SIZE) {
+ WARN(1, "tpm_buf: overflow\n");
+ buf->flags |= TPM_BUF_OVERFLOW;
+ return;
+ }
+
+ memcpy(&buf->data[len], new_data, new_len);
+ head->length = cpu_to_be32(len + new_len);
+}
+
+static inline void tpm_buf_append_u8(struct tpm_buf *buf, const u8 value)
+{
+ tpm_buf_append(buf, &value, 1);
+}
+
+static inline void tpm_buf_append_u16(struct tpm_buf *buf, const u16 value)
+{
+ __be16 value2 = cpu_to_be16(value);
+
+ tpm_buf_append(buf, (u8 *) &value2, 2);
+}
+
+static inline void tpm_buf_append_u32(struct tpm_buf *buf, const u32 value)
+{
+ __be32 value2 = cpu_to_be32(value);
+
+ tpm_buf_append(buf, (u8 *) &value2, 4);
+}
+
+extern struct class *tpm_class;
+extern struct class *tpmrm_class;
+extern dev_t tpm_devt;
+extern const struct file_operations tpm_fops;
+extern const struct file_operations tpmrm_fops;
+extern struct idr dev_nums_idr;
+
+/**
+ * enum tpm_transmit_flags
+ *
+ * @TPM_TRANSMIT_UNLOCKED: used to lock sequence of tpm_transmit calls.
+ * @TPM_TRANSMIT_RAW: prevent recursive calls into setup steps
+ * (go idle, locality,..). Always use with UNLOCKED
+ * as it will fail on double locking.
+ */
+enum tpm_transmit_flags {
+ TPM_TRANSMIT_UNLOCKED = BIT(0),
+ TPM_TRANSMIT_RAW = BIT(1),
+};
+
+ssize_t tpm_transmit(struct tpm_chip *chip, struct tpm_space *space,
+ u8 *buf, size_t bufsiz, unsigned int flags);
+ssize_t tpm_transmit_cmd(struct tpm_chip *chip, struct tpm_space *space,
+ const void *buf, size_t bufsiz,
+ size_t min_rsp_body_length, unsigned int flags,
+ const char *desc);
+int tpm_startup(struct tpm_chip *chip);
+ssize_t tpm_getcap(struct tpm_chip *chip, u32 subcap_id, cap_t *cap,
+ const char *desc, size_t min_cap_length);
+int tpm_get_timeouts(struct tpm_chip *);
+int tpm1_auto_startup(struct tpm_chip *chip);
+int tpm_do_selftest(struct tpm_chip *chip);
+unsigned long tpm_calc_ordinal_duration(struct tpm_chip *chip, u32 ordinal);
+int tpm_pm_suspend(struct device *dev);
+int tpm_pm_resume(struct device *dev);
+int wait_for_tpm_stat(struct tpm_chip *chip, u8 mask, unsigned long timeout,
+ wait_queue_head_t *queue, bool check_cancel);
+
+static inline void tpm_msleep(unsigned int delay_msec)
+{
+ usleep_range(delay_msec * 1000,
+ (delay_msec * 1000) + TPM_TIMEOUT_RANGE_US);
+};
+
+struct tpm_chip *tpm_chip_find_get(int chip_num);
+__must_check int tpm_try_get_ops(struct tpm_chip *chip);
+void tpm_put_ops(struct tpm_chip *chip);
+
+struct tpm_chip *tpm_chip_alloc(struct device *dev,
+ const struct tpm_class_ops *ops);
+struct tpm_chip *tpmm_chip_alloc(struct device *pdev,
+ const struct tpm_class_ops *ops);
+int tpm_chip_register(struct tpm_chip *chip);
+void tpm_chip_unregister(struct tpm_chip *chip);
+
+void tpm_sysfs_add_device(struct tpm_chip *chip);
+
+int tpm_pcr_read_dev(struct tpm_chip *chip, int pcr_idx, u8 *res_buf);
+
+#ifdef CONFIG_ACPI
+extern void tpm_add_ppi(struct tpm_chip *chip);
+#else
+static inline void tpm_add_ppi(struct tpm_chip *chip)
+{
+}
+#endif
+
+static inline inline u32 tpm2_rc_value(u32 rc)
+{
+ return (rc & BIT(7)) ? rc & 0xff : rc;
+}
+
+int tpm2_pcr_read(struct tpm_chip *chip, int pcr_idx, u8 *res_buf);
+int tpm2_pcr_extend(struct tpm_chip *chip, int pcr_idx, u32 count,
+ struct tpm2_digest *digests);
+int tpm2_get_random(struct tpm_chip *chip, u8 *out, size_t max);
+void tpm2_flush_context_cmd(struct tpm_chip *chip, u32 handle,
+ unsigned int flags);
+int tpm2_seal_trusted(struct tpm_chip *chip,
+ struct trusted_key_payload *payload,
+ struct trusted_key_options *options);
+int tpm2_unseal_trusted(struct tpm_chip *chip,
+ struct trusted_key_payload *payload,
+ struct trusted_key_options *options);
+ssize_t tpm2_get_tpm_pt(struct tpm_chip *chip, u32 property_id,
+ u32 *value, const char *desc);
+
+int tpm2_auto_startup(struct tpm_chip *chip);
+void tpm2_shutdown(struct tpm_chip *chip, u16 shutdown_type);
+unsigned long tpm2_calc_ordinal_duration(struct tpm_chip *chip, u32 ordinal);
+int tpm2_probe(struct tpm_chip *chip);
+int tpm2_find_cc(struct tpm_chip *chip, u32 cc);
+int tpm2_init_space(struct tpm_space *space, unsigned int buf_size);
+void tpm2_del_space(struct tpm_chip *chip, struct tpm_space *space);
+int tpm2_prepare_space(struct tpm_chip *chip, struct tpm_space *space, u32 cc,
+ u8 *cmd);
+int tpm2_commit_space(struct tpm_chip *chip, struct tpm_space *space,
+ u32 cc, u8 *buf, size_t *bufsiz);
+#endif