/* * Copyright © 2017 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, sub license, 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 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 * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS * AND/OR ITS SUPPLIERS 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. * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. */ #ifndef AC_GPU_INFO_H #define AC_GPU_INFO_H #include "amd_family.h" #include #include #include #include #ifdef __cplusplus extern "C" { #endif #define AMD_MAX_SE 8 #define AMD_MAX_SA_PER_SE 2 struct amdgpu_gpu_info; struct amd_ip_info { uint8_t ver_major; uint8_t ver_minor; uint8_t num_queues; }; struct radeon_info { /* Device info. */ const char *name; char lowercase_name[32]; const char *marketing_name; uint32_t num_se; /* only enabled SEs */ uint32_t num_rb; /* only enabled RBs */ uint32_t num_cu; /* only enabled CUs */ uint32_t max_gpu_freq_mhz; /* also known as the shader clock */ uint32_t max_gflops; uint32_t l1_cache_size; uint32_t l2_cache_size; uint32_t l3_cache_size_mb; uint32_t num_tcc_blocks; /* also the number of memory channels */ uint32_t memory_freq_mhz; uint32_t memory_freq_mhz_effective; uint32_t memory_bus_width; uint32_t memory_bandwidth_gbps; uint32_t clock_crystal_freq; struct amd_ip_info ip[AMD_NUM_IP_TYPES]; /* Identification. */ /* PCI info: domain:bus:dev:func */ uint32_t pci_domain; uint32_t pci_bus; uint32_t pci_dev; uint32_t pci_func; uint32_t pci_id; uint32_t pci_rev_id; enum radeon_family family; enum amd_gfx_level gfx_level; uint32_t family_id; uint32_t chip_external_rev; uint32_t chip_rev; /* 0 = A0, 1 = A1, etc. */ /* Flags. */ bool is_pro_graphics; bool has_graphics; /* false if the chip is compute-only */ uint32_t ib_pad_dw_mask[AMD_NUM_IP_TYPES]; bool has_clear_state; bool has_distributed_tess; bool has_dcc_constant_encode; bool has_rbplus; /* if RB+ registers exist */ bool rbplus_allowed; /* if RB+ is allowed */ bool has_load_ctx_reg_pkt; bool has_out_of_order_rast; bool has_packed_math_16bit; bool has_accelerated_dot_product; bool cpdma_prefetch_writes_memory; bool has_gfx9_scissor_bug; bool has_tc_compat_zrange_bug; bool has_msaa_sample_loc_bug; bool has_ls_vgpr_init_bug; bool has_zero_index_buffer_bug; bool has_image_load_dcc_bug; bool has_two_planes_iterate256_bug; bool has_vgt_flush_ngg_legacy_bug; bool has_cs_regalloc_hang_bug; bool has_32bit_predication; bool has_3d_cube_border_color_mipmap; bool never_stop_sq_perf_counters; bool has_sqtt_rb_harvest_bug; bool has_sqtt_auto_flush_mode_bug; bool never_send_perfcounter_stop; bool discardable_allows_big_page; bool has_export_conflict_bug; /* Display features. */ /* There are 2 display DCC codepaths, because display expects unaligned DCC. */ /* Disable RB and pipe alignment to skip the retile blit. (1 RB chips only) */ bool use_display_dcc_unaligned; /* Allocate both aligned and unaligned DCC and use the retile blit. */ bool use_display_dcc_with_retile_blit; /* Memory info. */ uint32_t pte_fragment_size; uint32_t gart_page_size; uint32_t gart_size_kb; uint32_t vram_size_kb; uint64_t vram_vis_size_kb; uint32_t vram_type; uint32_t max_heap_size_kb; uint32_t min_alloc_size; uint32_t address32_hi; bool has_dedicated_vram; bool all_vram_visible; bool smart_access_memory; bool has_l2_uncached; bool r600_has_virtual_memory; uint32_t max_tcc_blocks; uint32_t tcc_cache_line_size; bool tcc_rb_non_coherent; /* whether L2 inv is needed for render->texture transitions */ unsigned pc_lines; uint32_t lds_size_per_workgroup; uint32_t lds_alloc_granularity; uint32_t lds_encode_granularity; /* CP info. */ bool gfx_ib_pad_with_type2; unsigned ib_alignment; /* both start and size alignment */ uint32_t me_fw_version; uint32_t me_fw_feature; uint32_t mec_fw_version; uint32_t mec_fw_feature; uint32_t pfp_fw_version; uint32_t pfp_fw_feature; /* Multimedia info. */ struct { bool vcn_decode; /* TODO: remove */ } has_video_hw; uint32_t uvd_fw_version; uint32_t vce_fw_version; uint32_t vce_harvest_config; struct video_caps_info { struct { uint32_t valid; uint32_t max_width; uint32_t max_height; uint32_t max_pixels_per_frame; uint32_t max_level; uint32_t pad; } codec_info[8]; /* the number of available codecs */ } dec_caps, enc_caps; /* Kernel & winsys capabilities. */ uint32_t drm_major; /* version */ uint32_t drm_minor; uint32_t drm_patchlevel; bool is_amdgpu; bool has_userptr; bool has_syncobj; bool has_timeline_syncobj; bool has_fence_to_handle; bool has_local_buffers; bool has_bo_metadata; bool has_eqaa_surface_allocator; bool has_sparse_vm_mappings; bool has_scheduled_fence_dependency; bool has_stable_pstate; /* Whether SR-IOV is enabled or amdgpu.mcbp=1 was set on the kernel command line. */ bool mid_command_buffer_preemption_enabled; bool has_tmz_support; bool kernel_has_modifiers; /* Shader cores. */ uint32_t cu_mask[AMD_MAX_SE][AMD_MAX_SA_PER_SE]; uint32_t r600_max_quad_pipes; /* wave size / 16 */ uint32_t max_good_cu_per_sa; uint32_t min_good_cu_per_sa; /* min != max if SAs have different # of CUs */ uint32_t max_se; /* number of shader engines incl. disabled ones */ uint32_t max_sa_per_se; /* shader arrays per shader engine */ uint32_t max_wave64_per_simd; uint32_t num_physical_sgprs_per_simd; uint32_t num_physical_wave64_vgprs_per_simd; uint32_t num_simd_per_compute_unit; uint32_t min_sgpr_alloc; uint32_t max_sgpr_alloc; uint32_t sgpr_alloc_granularity; uint32_t min_wave64_vgpr_alloc; uint32_t max_vgpr_alloc; uint32_t wave64_vgpr_alloc_granularity; uint32_t max_scratch_waves; /* Render backends (color + depth blocks). */ uint32_t r300_num_gb_pipes; uint32_t r300_num_z_pipes; uint32_t r600_gb_backend_map; /* R600 harvest config */ bool r600_gb_backend_map_valid; uint32_t r600_num_banks; uint32_t mc_arb_ramcfg; uint32_t gb_addr_config; uint32_t pa_sc_tile_steering_override; /* CLEAR_STATE also sets this */ uint32_t max_render_backends; /* number of render backends incl. disabled ones */ uint32_t num_tile_pipes; /* pipe count from PIPE_CONFIG */ uint32_t pipe_interleave_bytes; uint32_t enabled_rb_mask; /* GCN harvest config */ uint64_t max_alignment; /* from addrlib */ uint32_t pbb_max_alloc_count; /* Tile modes. */ uint32_t si_tile_mode_array[32]; uint32_t cik_macrotile_mode_array[16]; /* AMD_CU_MASK environment variable or ~0. */ bool spi_cu_en_has_effect; uint32_t spi_cu_en; }; bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info); void ac_compute_driver_uuid(char *uuid, size_t size); void ac_compute_device_uuid(struct radeon_info *info, char *uuid, size_t size); void ac_print_gpu_info(struct radeon_info *info, FILE *f); int ac_get_gs_table_depth(enum amd_gfx_level gfx_level, enum radeon_family family); void ac_get_raster_config(struct radeon_info *info, uint32_t *raster_config_p, uint32_t *raster_config_1_p, uint32_t *se_tile_repeat_p); void ac_get_harvested_configs(struct radeon_info *info, unsigned raster_config, unsigned *cik_raster_config_1_p, unsigned *raster_config_se); unsigned ac_get_compute_resource_limits(const struct radeon_info *info, unsigned waves_per_threadgroup, unsigned max_waves_per_sh, unsigned threadgroups_per_cu); struct ac_hs_info { uint32_t tess_offchip_block_dw_size; uint32_t max_offchip_buffers; uint32_t hs_offchip_param; uint32_t tess_factor_ring_size; uint32_t tess_offchip_ring_offset; uint32_t tess_offchip_ring_size; }; void ac_get_hs_info(struct radeon_info *info, struct ac_hs_info *hs); /* Task rings BO layout information. * This BO is shared between GFX and ACE queues so that the ACE and GFX * firmware can cooperate on task->mesh dispatches and is also used to * store the task payload which is passed to mesh shaders. * * The driver only needs to create this BO once, * and it will always be able to accomodate the maximum needed * task payload size. * * The following memory layout is used: * 1. Control buffer: 9 DWORDs, 256 byte aligned * Used by the firmware to maintain the current state. * (padding) * 2. Draw ring: 4 DWORDs per entry, 256 byte aligned * Task shaders store the mesh dispatch size here. * (padding) * 3. Payload ring: 16K bytes per entry, 256 byte aligned. * This is where task payload is stored by task shaders and * read by mesh shaders. * */ struct ac_task_info { uint32_t draw_ring_offset; uint32_t payload_ring_offset; uint32_t bo_size_bytes; uint16_t num_entries; }; /* Size of each payload entry in the task payload ring. * Spec requires minimum 16K bytes. */ #define AC_TASK_PAYLOAD_ENTRY_BYTES 16384 /* Size of each draw entry in the task draw ring. * 4 DWORDs per entry. */ #define AC_TASK_DRAW_ENTRY_BYTES 16 /* Size of the task control buffer. 9 DWORDs. */ #define AC_TASK_CTRLBUF_BYTES 36 void ac_get_task_info(struct radeon_info *info, struct ac_task_info *task_info); #ifdef __cplusplus } #endif #endif /* AC_GPU_INFO_H */