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/*
* Copyright 2018-2019 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef AMDGV_SRIOV_MSG__H_
#define AMDGV_SRIOV_MSG__H_
/* unit in kilobytes */
#define AMD_SRIOV_MSG_VBIOS_OFFSET 0
#define AMD_SRIOV_MSG_VBIOS_SIZE_KB 64
#define AMD_SRIOV_MSG_DATAEXCHANGE_OFFSET_KB AMD_SRIOV_MSG_VBIOS_SIZE_KB
#define AMD_SRIOV_MSG_DATAEXCHANGE_SIZE_KB 4
/*
* layout
* 0 64KB 65KB 66KB
* | VBIOS | PF2VF | VF2PF | Bad Page | ...
* | 64KB | 1KB | 1KB |
*/
#define AMD_SRIOV_MSG_SIZE_KB 1
#define AMD_SRIOV_MSG_PF2VF_OFFSET_KB AMD_SRIOV_MSG_DATAEXCHANGE_OFFSET_KB
#define AMD_SRIOV_MSG_VF2PF_OFFSET_KB (AMD_SRIOV_MSG_PF2VF_OFFSET_KB + AMD_SRIOV_MSG_SIZE_KB)
#define AMD_SRIOV_MSG_BAD_PAGE_OFFSET_KB (AMD_SRIOV_MSG_VF2PF_OFFSET_KB + AMD_SRIOV_MSG_SIZE_KB)
/*
* PF2VF history log:
* v1 defined in amdgim
* v2 current
*
* VF2PF history log:
* v1 defined in amdgim
* v2 defined in amdgim
* v3 current
*/
#define AMD_SRIOV_MSG_FW_VRAM_PF2VF_VER 2
#define AMD_SRIOV_MSG_FW_VRAM_VF2PF_VER 3
#define AMD_SRIOV_MSG_RESERVE_UCODE 24
enum amd_sriov_ucode_engine_id {
AMD_SRIOV_UCODE_ID_VCE = 0,
AMD_SRIOV_UCODE_ID_UVD,
AMD_SRIOV_UCODE_ID_MC,
AMD_SRIOV_UCODE_ID_ME,
AMD_SRIOV_UCODE_ID_PFP,
AMD_SRIOV_UCODE_ID_CE,
AMD_SRIOV_UCODE_ID_RLC,
AMD_SRIOV_UCODE_ID_RLC_SRLC,
AMD_SRIOV_UCODE_ID_RLC_SRLG,
AMD_SRIOV_UCODE_ID_RLC_SRLS,
AMD_SRIOV_UCODE_ID_MEC,
AMD_SRIOV_UCODE_ID_MEC2,
AMD_SRIOV_UCODE_ID_SOS,
AMD_SRIOV_UCODE_ID_ASD,
AMD_SRIOV_UCODE_ID_TA_RAS,
AMD_SRIOV_UCODE_ID_TA_XGMI,
AMD_SRIOV_UCODE_ID_SMC,
AMD_SRIOV_UCODE_ID_SDMA,
AMD_SRIOV_UCODE_ID_SDMA2,
AMD_SRIOV_UCODE_ID_VCN,
AMD_SRIOV_UCODE_ID_DMCU,
AMD_SRIOV_UCODE_ID__MAX
};
#pragma pack(push, 1) // PF2VF / VF2PF data areas are byte packed
union amd_sriov_msg_feature_flags {
struct {
uint32_t error_log_collect : 1;
uint32_t host_load_ucodes : 1;
uint32_t host_flr_vramlost : 1;
uint32_t mm_bw_management : 1;
uint32_t pp_one_vf_mode : 1;
uint32_t reserved : 27;
} flags;
uint32_t all;
};
union amd_sriov_msg_os_info {
struct {
uint32_t windows : 1;
uint32_t reserved : 31;
} info;
uint32_t all;
};
struct amd_sriov_msg_pf2vf_info_header {
/* the total structure size in byte */
uint32_t size;
/* version of this structure, written by the HOST */
uint32_t version;
/* reserved */
uint32_t reserved[2];
};
struct amd_sriov_msg_pf2vf_info {
/* header contains size and version */
struct amd_sriov_msg_pf2vf_info_header header;
/* use private key from mailbox 2 to create checksum */
uint32_t checksum;
/* The features flags of the HOST driver supports */
union amd_sriov_msg_feature_flags feature_flags;
/* (max_width * max_height * fps) / (16 * 16) */
uint32_t hevc_enc_max_mb_per_second;
/* (max_width * max_height) / (16 * 16) */
uint32_t hevc_enc_max_mb_per_frame;
/* (max_width * max_height * fps) / (16 * 16) */
uint32_t avc_enc_max_mb_per_second;
/* (max_width * max_height) / (16 * 16) */
uint32_t avc_enc_max_mb_per_frame;
/* MEC FW position in BYTE from the start of VF visible frame buffer */
uint64_t mecfw_offset;
/* MEC FW size in BYTE */
uint32_t mecfw_size;
/* UVD FW position in BYTE from the start of VF visible frame buffer */
uint64_t uvdfw_offset;
/* UVD FW size in BYTE */
uint32_t uvdfw_size;
/* VCE FW position in BYTE from the start of VF visible frame buffer */
uint64_t vcefw_offset;
/* VCE FW size in BYTE */
uint32_t vcefw_size;
/* Bad pages block position in BYTE */
uint32_t bp_block_offset_low;
uint32_t bp_block_offset_high;
/* Bad pages block size in BYTE */
uint32_t bp_block_size;
/* frequency for VF to update the VF2PF area in msec, 0 = manual */
uint32_t vf2pf_update_interval_ms;
/* identification in ROCm SMI */
uint64_t uuid;
uint32_t fcn_idx;
/* reserved */
uint32_t reserved[256-26];
};
struct amd_sriov_msg_vf2pf_info_header {
/* the total structure size in byte */
uint32_t size;
/* version of this structure, written by the guest */
uint32_t version;
/* reserved */
uint32_t reserved[2];
};
struct amd_sriov_msg_vf2pf_info {
/* header contains size and version */
struct amd_sriov_msg_vf2pf_info_header header;
uint32_t checksum;
/* driver version */
uint8_t driver_version[64];
/* driver certification, 1=WHQL, 0=None */
uint32_t driver_cert;
/* guest OS type and version */
union amd_sriov_msg_os_info os_info;
/* guest fb information in the unit of MB */
uint32_t fb_usage;
/* guest gfx engine usage percentage */
uint32_t gfx_usage;
/* guest gfx engine health percentage */
uint32_t gfx_health;
/* guest compute engine usage percentage */
uint32_t compute_usage;
/* guest compute engine health percentage */
uint32_t compute_health;
/* guest avc engine usage percentage. 0xffff means N/A */
uint32_t avc_enc_usage;
/* guest avc engine health percentage. 0xffff means N/A */
uint32_t avc_enc_health;
/* guest hevc engine usage percentage. 0xffff means N/A */
uint32_t hevc_enc_usage;
/* guest hevc engine usage percentage. 0xffff means N/A */
uint32_t hevc_enc_health;
/* combined encode/decode usage */
uint32_t encode_usage;
uint32_t decode_usage;
/* Version of PF2VF that VF understands */
uint32_t pf2vf_version_required;
/* additional FB usage */
uint32_t fb_vis_usage;
uint32_t fb_vis_size;
uint32_t fb_size;
/* guest ucode data, each one is 1.25 Dword */
struct {
uint8_t id;
uint32_t version;
} ucode_info[AMD_SRIOV_MSG_RESERVE_UCODE];
/* reserved */
uint32_t reserved[256-68];
};
/* mailbox message send from guest to host */
enum amd_sriov_mailbox_request_message {
MB_REQ_MSG_REQ_GPU_INIT_ACCESS = 1,
MB_REQ_MSG_REL_GPU_INIT_ACCESS,
MB_REQ_MSG_REQ_GPU_FINI_ACCESS,
MB_REQ_MSG_REL_GPU_FINI_ACCESS,
MB_REQ_MSG_REQ_GPU_RESET_ACCESS,
MB_REQ_MSG_REQ_GPU_INIT_DATA,
MB_REQ_MSG_LOG_VF_ERROR = 200,
};
/* mailbox message send from host to guest */
enum amd_sriov_mailbox_response_message {
MB_RES_MSG_CLR_MSG_BUF = 0,
MB_RES_MSG_READY_TO_ACCESS_GPU = 1,
MB_RES_MSG_FLR_NOTIFICATION,
MB_RES_MSG_FLR_NOTIFICATION_COMPLETION,
MB_RES_MSG_SUCCESS,
MB_RES_MSG_FAIL,
MB_RES_MSG_QUERY_ALIVE,
MB_RES_MSG_GPU_INIT_DATA_READY,
MB_RES_MSG_TEXT_MESSAGE = 255
};
/* version data stored in MAILBOX_MSGBUF_RCV_DW1 for future expansion */
enum amd_sriov_gpu_init_data_version {
GPU_INIT_DATA_READY_V1 = 1,
};
#pragma pack(pop) // Restore previous packing option
/* checksum function between host and guest */
unsigned int amd_sriov_msg_checksum(void *obj,
unsigned long obj_size,
unsigned int key,
unsigned int checksum);
/* assertion at compile time */
#ifdef __linux__
#define stringification(s) _stringification(s)
#define _stringification(s) #s
_Static_assert(
sizeof(struct amd_sriov_msg_vf2pf_info) == AMD_SRIOV_MSG_SIZE_KB << 10,
"amd_sriov_msg_vf2pf_info must be " stringification(AMD_SRIOV_MSG_SIZE_KB) " KB");
_Static_assert(
sizeof(struct amd_sriov_msg_pf2vf_info) == AMD_SRIOV_MSG_SIZE_KB << 10,
"amd_sriov_msg_pf2vf_info must be " stringification(AMD_SRIOV_MSG_SIZE_KB) " KB");
_Static_assert(
AMD_SRIOV_MSG_RESERVE_UCODE % 4 == 0,
"AMD_SRIOV_MSG_RESERVE_UCODE must be multiple of 4");
_Static_assert(
AMD_SRIOV_MSG_RESERVE_UCODE > AMD_SRIOV_UCODE_ID__MAX,
"AMD_SRIOV_MSG_RESERVE_UCODE must be bigger than AMD_SRIOV_UCODE_ID__MAX");
#undef _stringification
#undef stringification
#endif
#endif /* AMDGV_SRIOV_MSG__H_ */
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