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1 /*
2  * Copyright © 2017 Advanced Micro Devices, Inc.
3  *
4  * SPDX-License-Identifier: MIT
5  */
6 
7 #ifndef AC_GPU_INFO_H
8 #define AC_GPU_INFO_H
9 
10 #include <stdbool.h>
11 #include "util/macros.h"
12 #include "amd_family.h"
13 
14 #ifdef __cplusplus
15 extern "C" {
16 #endif
17 
18 #define AMD_MAX_SE         32
19 #define AMD_MAX_SA_PER_SE  2
20 #define AMD_MAX_WGP        60
21 
22 struct amdgpu_gpu_info;
23 
24 struct amd_ip_info {
25    uint8_t ver_major;
26    uint8_t ver_minor;
27    uint8_t ver_rev;
28    uint8_t num_queues;
29    uint32_t ib_alignment;
30    uint32_t ib_pad_dw_mask;
31 };
32 
33 struct radeon_info {
34    /* Device info. */
35    const char *name;
36    char lowercase_name[32];
37    const char *marketing_name;
38    char dev_filename[32];
39    uint32_t num_se;           /* only enabled SEs */
40    uint32_t num_rb;           /* only enabled RBs */
41    uint32_t num_cu;           /* only enabled CUs */
42    uint32_t max_gpu_freq_mhz; /* also known as the shader clock */
43    uint32_t max_gflops;
44    uint32_t sqc_inst_cache_size;
45    uint32_t sqc_scalar_cache_size;
46    uint32_t num_sqc_per_wgp;
47    uint32_t tcp_cache_size;
48    uint32_t l1_cache_size;
49    uint32_t l2_cache_size;
50    uint32_t l3_cache_size_mb;
51    uint32_t num_tcc_blocks; /* also the number of memory channels */
52    uint32_t memory_freq_mhz;
53    uint32_t memory_freq_mhz_effective;
54    uint32_t memory_bus_width;
55    uint32_t memory_bandwidth_gbps;
56    uint32_t pcie_gen;
57    uint32_t pcie_num_lanes;
58    uint32_t pcie_bandwidth_mbps;
59    uint32_t clock_crystal_freq;
60    struct amd_ip_info ip[AMD_NUM_IP_TYPES];
61 
62    /* Identification. */
63    /* PCI info: domain:bus:dev:func */
64    struct {
65       uint32_t domain;
66       uint32_t bus;
67       uint32_t dev;
68       uint32_t func;
69       bool valid;
70    } pci;
71 
72    uint32_t pci_id;
73    uint32_t pci_rev_id;
74    enum radeon_family family;
75    enum amd_gfx_level gfx_level;
76    uint32_t family_id;
77    uint32_t chip_external_rev;
78    uint32_t chip_rev; /* 0 = A0, 1 = A1, etc. */
79 
80    /* Flags. */
81    bool family_overridden; /* AMD_FORCE_FAMILY was used, skip command submission */
82    bool is_pro_graphics;
83    bool has_graphics; /* false if the chip is compute-only */
84    bool has_clear_state;
85    bool has_distributed_tess;
86    bool has_dcc_constant_encode;
87    bool has_rbplus;     /* if RB+ registers exist */
88    bool rbplus_allowed; /* if RB+ is allowed */
89    bool has_load_ctx_reg_pkt;
90    bool has_out_of_order_rast;
91    bool has_packed_math_16bit;
92    bool has_accelerated_dot_product;
93    bool cpdma_prefetch_writes_memory;
94    bool has_gfx9_scissor_bug;
95    bool has_tc_compat_zrange_bug;
96    bool has_small_prim_filter_sample_loc_bug;
97    bool has_ls_vgpr_init_bug;
98    bool has_pops_missed_overlap_bug;
99    bool has_zero_index_buffer_bug;
100    bool has_image_load_dcc_bug;
101    bool has_two_planes_iterate256_bug;
102    bool has_vgt_flush_ngg_legacy_bug;
103    bool has_cs_regalloc_hang_bug;
104    bool has_async_compute_threadgroup_bug;
105    bool has_async_compute_align32_bug;
106    bool has_32bit_predication;
107    bool has_3d_cube_border_color_mipmap;
108    bool has_image_opcodes;
109    bool never_stop_sq_perf_counters;
110    bool has_sqtt_rb_harvest_bug;
111    bool has_sqtt_auto_flush_mode_bug;
112    bool never_send_perfcounter_stop;
113    bool discardable_allows_big_page;
114    bool has_export_conflict_bug;
115    bool has_vrs_ds_export_bug;
116    bool has_taskmesh_indirect0_bug;
117    bool sdma_supports_sparse;      /* Whether SDMA can safely access sparse resources. */
118    bool sdma_supports_compression; /* Whether SDMA supports DCC and HTILE. */
119    bool has_set_context_pairs_packed;
120    bool has_set_sh_pairs_packed;
121 
122    /* conformant_trunc_coord is equal to TA_CNTL2.TRUNCATE_COORD_MODE, which exists since gfx11.
123     *
124     * If TA_CNTL2.TRUNCATE_COORD_MODE == 0, coordinate truncation is the same as gfx10 and older.
125     *
126     * If TA_CNTL2.TRUNCATE_COORD_MODE == 1, coordinate truncation is adjusted to be D3D9/GL/Vulkan
127     * conformant if you also set TRUNC_COORD. Coordinate truncation uses D3D10+ behaviour if
128     * TRUNC_COORD is unset.
129     *
130     * Behavior if TA_CNTL2.TRUNCATE_COORD_MODE == 1:
131     *    truncate_coord_xy = TRUNC_COORD && (xy_filter == Point && !gather);
132     *    truncate_coord_z = TRUNC_COORD && (z_filter == Point);
133     *    truncate_coord_layer = false;
134     *
135     * Behavior if TA_CNTL2.TRUNCATE_COORD_MODE == 0:
136     *    truncate_coord_xy = TRUNC_COORD;
137     *    truncate_coord_z = TRUNC_COORD;
138     *    truncate_coord_layer = TRUNC_COORD;
139     *
140     * AnisoPoint is treated as Point.
141     */
142    bool conformant_trunc_coord;
143 
144    /* Display features. */
145    /* There are 2 display DCC codepaths, because display expects unaligned DCC. */
146    /* Disable RB and pipe alignment to skip the retile blit. (1 RB chips only) */
147    bool use_display_dcc_unaligned;
148    /* Allocate both aligned and unaligned DCC and use the retile blit. */
149    bool use_display_dcc_with_retile_blit;
150 
151    /* Memory info. */
152    uint32_t pte_fragment_size;
153    uint32_t gart_page_size;
154    uint32_t gart_size_kb;
155    uint32_t vram_size_kb;
156    uint64_t vram_vis_size_kb;
157    uint32_t vram_type;
158    uint32_t max_heap_size_kb;
159    uint32_t min_alloc_size;
160    uint32_t address32_hi;
161    bool has_dedicated_vram;
162    bool all_vram_visible;
163    bool has_l2_uncached;
164    bool r600_has_virtual_memory;
165    uint32_t max_tcc_blocks;
166    uint32_t tcc_cache_line_size;
167    bool tcc_rb_non_coherent; /* whether L2 inv is needed for render->texture transitions */
168    unsigned pc_lines;
169    uint32_t lds_size_per_workgroup;
170    uint32_t lds_alloc_granularity;
171    uint32_t lds_encode_granularity;
172 
173    /* CP info. */
174    bool gfx_ib_pad_with_type2;
175    uint32_t me_fw_version;
176    uint32_t me_fw_feature;
177    uint32_t mec_fw_version;
178    uint32_t mec_fw_feature;
179    uint32_t pfp_fw_version;
180    uint32_t pfp_fw_feature;
181 
182    /* Multimedia info. */
183    uint32_t uvd_fw_version;
184    uint32_t vce_fw_version;
185    uint32_t vce_harvest_config;
186    struct video_caps_info {
187       struct video_codec_cap {
188          uint32_t valid;
189          uint32_t max_width;
190          uint32_t max_height;
191          uint32_t max_pixels_per_frame;
192          uint32_t max_level;
193          uint32_t pad;
194       } codec_info[8]; /* the number of available codecs */
195    } dec_caps, enc_caps;
196 
197    enum vcn_version vcn_ip_version;
198    enum sdma_version sdma_ip_version;
199 
200    /* Kernel & winsys capabilities. */
201    uint32_t drm_major; /* version */
202    uint32_t drm_minor;
203    uint32_t drm_patchlevel;
204    uint32_t max_submitted_ibs[AMD_NUM_IP_TYPES];
205    bool is_amdgpu;
206    bool has_userptr;
207    bool has_timeline_syncobj;
208    bool has_local_buffers;
209    bool has_bo_metadata;
210    bool has_eqaa_surface_allocator;
211    bool has_sparse_vm_mappings;
212    bool has_scheduled_fence_dependency;
213    bool has_gang_submit;
214    bool has_gpuvm_fault_query;
215    bool has_pcie_bandwidth_info;
216    bool has_stable_pstate;
217    /* Whether SR-IOV is enabled or amdgpu.mcbp=1 was set on the kernel command line. */
218    bool register_shadowing_required;
219    bool has_tmz_support;
220    bool kernel_has_modifiers;
221 
222    /* If the kernel driver uses CU reservation for high priority compute on gfx10+, it programs
223     * a global CU mask in the hw that is AND'ed with CU_EN register fields set by userspace.
224     * The packet that does the AND'ing is SET_SH_REG_INDEX(index = 3). If you don't use
225     * SET_SH_REG_INDEX, the global CU mask will not be applied.
226     *
227     * If uses_kernel_cu_mask is true, use SET_SH_REG_INDEX.
228     *
229     * If uses_kernel_cu_mask is false, SET_SH_REG_INDEX shouldn't be used because it only
230     * increases CP overhead and doesn't have any other effect.
231     *
232     * The alternative to this is to set the AMD_CU_MASK environment variable that has the same
233     * effect on radeonsi and RADV and doesn't need SET_SH_REG_INDEX.
234     */
235    bool uses_kernel_cu_mask;
236 
237    /* Shader cores. */
238    uint16_t cu_mask[AMD_MAX_SE][AMD_MAX_SA_PER_SE];
239    uint32_t r600_max_quad_pipes; /* wave size / 16 */
240    uint32_t max_good_cu_per_sa;
241    uint32_t min_good_cu_per_sa; /* min != max if SAs have different # of CUs */
242    uint32_t max_se;             /* number of shader engines incl. disabled ones */
243    uint32_t max_sa_per_se;      /* shader arrays per shader engine */
244    uint32_t num_cu_per_sh;
245    uint32_t max_waves_per_simd;
246    uint32_t num_physical_sgprs_per_simd;
247    uint32_t num_physical_wave64_vgprs_per_simd;
248    uint32_t num_simd_per_compute_unit;
249    uint32_t min_sgpr_alloc;
250    uint32_t max_sgpr_alloc;
251    uint32_t sgpr_alloc_granularity;
252    uint32_t min_wave64_vgpr_alloc;
253    uint32_t max_vgpr_alloc;
254    uint32_t wave64_vgpr_alloc_granularity;
255    uint32_t max_scratch_waves;
256    uint32_t attribute_ring_size_per_se;
257 
258    /* Render backends (color + depth blocks). */
259    uint32_t r300_num_gb_pipes;
260    uint32_t r300_num_z_pipes;
261    uint32_t r600_gb_backend_map; /* R600 harvest config */
262    bool r600_gb_backend_map_valid;
263    uint32_t r600_num_banks;
264    uint32_t mc_arb_ramcfg;
265    uint32_t gb_addr_config;
266    uint32_t pa_sc_tile_steering_override; /* CLEAR_STATE also sets this */
267    uint32_t max_render_backends;  /* number of render backends incl. disabled ones */
268    uint32_t num_tile_pipes; /* pipe count from PIPE_CONFIG */
269    uint32_t pipe_interleave_bytes;
270    uint64_t enabled_rb_mask; /* bitmask of enabled physical RBs, up to max_render_backends bits */
271    uint64_t max_alignment;   /* from addrlib */
272    uint32_t pbb_max_alloc_count;
273 
274    /* Tile modes. */
275    uint32_t si_tile_mode_array[32];
276    uint32_t cik_macrotile_mode_array[16];
277 
278    /* AMD_CU_MASK environment variable or ~0. */
279    bool spi_cu_en_has_effect;
280    uint32_t spi_cu_en;
281 
282    struct {
283       uint32_t shadow_size;
284       uint32_t shadow_alignment;
285       uint32_t csa_size;
286       uint32_t csa_alignment;
287    } fw_based_mcbp;
288    bool has_fw_based_shadowing;
289 };
290 
291 bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
292                        bool require_pci_bus_info);
293 
294 void ac_compute_driver_uuid(char *uuid, size_t size);
295 
296 void ac_compute_device_uuid(const struct radeon_info *info, char *uuid, size_t size);
297 void ac_print_gpu_info(const struct radeon_info *info, FILE *f);
298 int ac_get_gs_table_depth(enum amd_gfx_level gfx_level, enum radeon_family family);
299 void ac_get_raster_config(const struct radeon_info *info, uint32_t *raster_config_p,
300                           uint32_t *raster_config_1_p, uint32_t *se_tile_repeat_p);
301 void ac_get_harvested_configs(const struct radeon_info *info, unsigned raster_config,
302                               unsigned *cik_raster_config_1_p, unsigned *raster_config_se);
303 unsigned ac_get_compute_resource_limits(const struct radeon_info *info,
304                                         unsigned waves_per_threadgroup, unsigned max_waves_per_sh,
305                                         unsigned threadgroups_per_cu);
306 
307 struct ac_hs_info {
308    uint32_t tess_offchip_block_dw_size;
309    uint32_t max_offchip_buffers;
310    uint32_t hs_offchip_param;
311    uint32_t tess_factor_ring_size;
312    uint32_t tess_offchip_ring_offset;
313    uint32_t tess_offchip_ring_size;
314 };
315 
316 void ac_get_hs_info(const struct radeon_info *info,
317                     struct ac_hs_info *hs);
318 
319 /* Task rings BO layout information.
320  * This BO is shared between GFX and ACE queues so that the ACE and GFX
321  * firmware can cooperate on task->mesh dispatches and is also used to
322  * store the task payload which is passed to mesh shaders.
323  *
324  * The driver only needs to create this BO once,
325  * and it will always be able to accommodate the maximum needed
326  * task payload size.
327  *
328  * The following memory layout is used:
329  * 1. Control buffer: 9 DWORDs, 256 byte aligned
330  *    Used by the firmware to maintain the current state.
331  * (padding)
332  * 2. Draw ring: 4 DWORDs per entry, 256 byte aligned
333  *    Task shaders store the mesh dispatch size here.
334  * (padding)
335  * 3. Payload ring: 16K bytes per entry, 256 byte aligned.
336  *    This is where task payload is stored by task shaders and
337  *    read by mesh shaders.
338  *
339  */
340 struct ac_task_info {
341    uint32_t draw_ring_offset;
342    uint32_t payload_ring_offset;
343    uint32_t bo_size_bytes;
344    uint16_t num_entries;
345 };
346 
347 /* Size of each payload entry in the task payload ring.
348  * Spec requires minimum 16K bytes.
349  */
350 #define AC_TASK_PAYLOAD_ENTRY_BYTES 16384
351 
352 /* Size of each draw entry in the task draw ring.
353  * 4 DWORDs per entry.
354  */
355 #define AC_TASK_DRAW_ENTRY_BYTES 16
356 
357 /* Size of the task control buffer. 9 DWORDs. */
358 #define AC_TASK_CTRLBUF_BYTES 36
359 
360 void ac_get_task_info(const struct radeon_info *info,
361                       struct ac_task_info *task_info);
362 
363 uint32_t ac_memory_ops_per_clock(uint32_t vram_type);
364 
365 #ifdef __cplusplus
366 }
367 #endif
368 
369 #endif /* AC_GPU_INFO_H */
370