| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* Copyright(c) 1999 - 2018 Intel Corporation. */ |
| 3 | |
| 4 | #ifndef _E1000_MBX_H_ |
| 5 | #define _E1000_MBX_H_ |
| 6 | |
| 7 | #include "vf.h" |
| 8 | |
| 9 | #define E1000_V2PMAILBOX_REQ 0x00000001 /* Request for PF Ready bit */ |
| 10 | #define E1000_V2PMAILBOX_ACK 0x00000002 /* Ack PF message received */ |
| 11 | #define E1000_V2PMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */ |
| 12 | #define E1000_V2PMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */ |
| 13 | #define E1000_V2PMAILBOX_PFSTS 0x00000010 /* PF wrote a message in the MB */ |
| 14 | #define E1000_V2PMAILBOX_PFACK 0x00000020 /* PF ack the previous VF msg */ |
| 15 | #define E1000_V2PMAILBOX_RSTI 0x00000040 /* PF has reset indication */ |
| 16 | #define E1000_V2PMAILBOX_RSTD 0x00000080 /* PF has indicated reset done */ |
| 17 | #define E1000_V2PMAILBOX_R2C_BITS 0x000000B0 /* All read to clear bits */ |
| 18 | |
| 19 | #define E1000_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */ |
| 20 | |
| 21 | /* If it's a E1000_VF_* msg then it originates in the VF and is sent to the |
| 22 | * PF. The reverse is true if it is E1000_PF_*. |
| 23 | * Message ACK's are the value or'd with 0xF0000000 |
| 24 | */ |
| 25 | /* Messages below or'd with this are the ACK */ |
| 26 | #define E1000_VT_MSGTYPE_ACK 0x80000000 |
| 27 | /* Messages below or'd with this are the NACK */ |
| 28 | #define E1000_VT_MSGTYPE_NACK 0x40000000 |
| 29 | /* Indicates that VF is still clear to send requests */ |
| 30 | #define E1000_VT_MSGTYPE_CTS 0x20000000 |
| 31 | |
| 32 | /* We have a total wait time of 1s for vf mailbox posted messages */ |
| 33 | #define E1000_VF_MBX_INIT_TIMEOUT 2000 /* retry count for mbx timeout */ |
| 34 | #define E1000_VF_MBX_INIT_DELAY 500 /* usec delay between retries */ |
| 35 | |
| 36 | #define E1000_VT_MSGINFO_SHIFT 16 |
| 37 | /* bits 23:16 are used for exra info for certain messages */ |
| 38 | #define E1000_VT_MSGINFO_MASK (0xFF << E1000_VT_MSGINFO_SHIFT) |
| 39 | |
| 40 | #define E1000_VF_RESET 0x01 /* VF requests reset */ |
| 41 | #define E1000_VF_SET_MAC_ADDR 0x02 /* VF requests PF to set MAC addr */ |
| 42 | /* VF requests PF to clear all unicast MAC filters */ |
| 43 | #define E1000_VF_MAC_FILTER_CLR (0x01 << E1000_VT_MSGINFO_SHIFT) |
| 44 | /* VF requests PF to add unicast MAC filter */ |
| 45 | #define E1000_VF_MAC_FILTER_ADD (0x02 << E1000_VT_MSGINFO_SHIFT) |
| 46 | #define E1000_VF_SET_MULTICAST 0x03 /* VF requests PF to set MC addr */ |
| 47 | #define E1000_VF_SET_VLAN 0x04 /* VF requests PF to set VLAN */ |
| 48 | #define E1000_VF_SET_LPE 0x05 /* VF requests PF to set VMOLR.LPE */ |
| 49 | |
| 50 | #define E1000_PF_CONTROL_MSG 0x0100 /* PF control message */ |
| 51 | |
| 52 | void e1000_init_mbx_ops_generic(struct e1000_hw *hw); |
| 53 | s32 e1000_init_mbx_params_vf(struct e1000_hw *); |
| 54 | |
| 55 | #endif /* _E1000_MBX_H_ */ |