diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h b/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h new file mode 100644 index 000000000000..5355827ed0ae --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h @@ -0,0 +1,276 @@ +/* + * 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_ */ |