| /* |
| * 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_ */ |
