1 /*
2  * Copyright © 2017 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining
5  * a copy of this software and associated documentation files (the
6  * "Software"), to deal in the Software without restriction, including
7  * without limitation the rights to use, copy, modify, merge, publish,
8  * distribute, sub license, and/or sell copies of the Software, and to
9  * permit persons to whom the Software is furnished to do so, subject to
10  * the following conditions:
11  *
12  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
13  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
14  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
15  * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
16  * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
18  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
19  * USE OR OTHER DEALINGS IN THE SOFTWARE.
20  *
21  * The above copyright notice and this permission notice (including the
22  * next paragraph) shall be included in all copies or substantial portions
23  * of the Software.
24  */
25 
26 #ifndef AC_GPU_INFO_H
27 #define AC_GPU_INFO_H
28 
29 #include "amd_family.h"
30 
31 #include <stdbool.h>
32 #include <stddef.h>
33 #include <stdint.h>
34 #include <stdio.h>
35 
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39 
40 struct amdgpu_gpu_info;
41 
42 struct radeon_info {
43    /* PCI info: domain:bus:dev:func */
44    uint32_t pci_domain;
45    uint32_t pci_bus;
46    uint32_t pci_dev;
47    uint32_t pci_func;
48 
49    /* Device info. */
50    const char *name;
51    const char *marketing_name;
52    bool is_pro_graphics;
53    uint32_t pci_id;
54    uint32_t pci_rev_id;
55    enum radeon_family family;
56    enum chip_class chip_class;
57    uint32_t family_id;
58    uint32_t chip_external_rev;
59    uint32_t clock_crystal_freq;
60 
61    /* Features. */
62    bool has_graphics; /* false if the chip is compute-only */
63    uint32_t num_rings[NUM_RING_TYPES];
64    uint32_t ib_pad_dw_mask[NUM_RING_TYPES];
65    bool has_clear_state;
66    bool has_distributed_tess;
67    bool has_dcc_constant_encode;
68    bool has_rbplus;     /* if RB+ registers exist */
69    bool rbplus_allowed; /* if RB+ is allowed */
70    bool has_load_ctx_reg_pkt;
71    bool has_out_of_order_rast;
72    bool has_packed_math_16bit;
73    bool cpdma_prefetch_writes_memory;
74    bool has_gfx9_scissor_bug;
75    bool has_tc_compat_zrange_bug;
76    bool has_msaa_sample_loc_bug;
77    bool has_ls_vgpr_init_bug;
78 
79    /* Display features. */
80    /* There are 2 display DCC codepaths, because display expects unaligned DCC. */
81    /* Disable RB and pipe alignment to skip the retile blit. (1 RB chips only) */
82    bool use_display_dcc_unaligned;
83    /* Allocate both aligned and unaligned DCC and use the retile blit. */
84    bool use_display_dcc_with_retile_blit;
85 
86    /* Memory info. */
87    uint32_t pte_fragment_size;
88    uint32_t gart_page_size;
89    uint64_t gart_size;
90    uint64_t vram_size;
91    uint64_t vram_vis_size;
92    uint32_t vram_bit_width;
93    uint32_t vram_type;
94    unsigned gds_size;
95    unsigned gds_gfx_partition_size;
96    uint64_t max_alloc_size;
97    uint32_t min_alloc_size;
98    uint32_t address32_hi;
99    bool has_dedicated_vram;
100    bool has_l2_uncached;
101    bool r600_has_virtual_memory;
102    uint32_t num_sdp_interfaces;
103    uint32_t num_tcc_blocks;
104    uint32_t tcc_cache_line_size;
105    bool tcc_harvested;
106    unsigned pc_lines;
107    uint32_t lds_size_per_workgroup;
108    uint32_t lds_granularity;
109    uint32_t max_memory_clock;
110    uint32_t ce_ram_size;
111    uint32_t l1_cache_size;
112    uint32_t l2_cache_size;
113 
114    /* CP info. */
115    bool gfx_ib_pad_with_type2;
116    unsigned ib_alignment; /* both start and size alignment */
117    uint32_t me_fw_version;
118    uint32_t me_fw_feature;
119    uint32_t pfp_fw_version;
120    uint32_t pfp_fw_feature;
121    uint32_t ce_fw_version;
122    uint32_t ce_fw_feature;
123 
124    /* Multimedia info. */
125    bool has_hw_decode;
126    bool uvd_enc_supported;
127    uint32_t uvd_fw_version;
128    uint32_t vce_fw_version;
129    uint32_t vce_harvest_config;
130 
131    /* Kernel & winsys capabilities. */
132    uint32_t drm_major; /* version */
133    uint32_t drm_minor;
134    uint32_t drm_patchlevel;
135    bool is_amdgpu;
136    bool has_userptr;
137    bool has_syncobj;
138    bool has_syncobj_wait_for_submit;
139    bool has_timeline_syncobj;
140    bool has_fence_to_handle;
141    bool has_ctx_priority;
142    bool has_local_buffers;
143    bool kernel_flushes_hdp_before_ib;
144    bool htile_cmask_support_1d_tiling;
145    bool si_TA_CS_BC_BASE_ADDR_allowed;
146    bool has_bo_metadata;
147    bool has_gpu_reset_status_query;
148    bool has_eqaa_surface_allocator;
149    bool has_format_bc1_through_bc7;
150    bool kernel_flushes_tc_l2_after_ib;
151    bool has_indirect_compute_dispatch;
152    bool has_unaligned_shader_loads;
153    bool has_sparse_vm_mappings;
154    bool has_2d_tiling;
155    bool has_read_registers_query;
156    bool has_gds_ordered_append;
157    bool has_scheduled_fence_dependency;
158    /* Whether SR-IOV is enabled or amdgpu.mcbp=1 was set on the kernel command line. */
159    bool mid_command_buffer_preemption_enabled;
160    bool has_tmz_support;
161 
162    /* Shader cores. */
163    uint32_t cu_mask[4][2];
164    uint32_t r600_max_quad_pipes; /* wave size / 16 */
165    uint32_t max_shader_clock;
166    uint32_t num_good_compute_units;
167    uint32_t max_good_cu_per_sa;
168    uint32_t min_good_cu_per_sa; /* min != max if SAs have different # of CUs */
169    uint32_t max_se;             /* number of shader engines incl. disabled ones */
170    uint32_t num_se;             /* number of enabled shader engines */
171    uint32_t max_sh_per_se;      /* shader arrays per shader engine */
172    uint32_t max_wave64_per_simd;
173    uint32_t num_physical_sgprs_per_simd;
174    uint32_t num_physical_wave64_vgprs_per_simd;
175    uint32_t num_simd_per_compute_unit;
176    uint32_t min_sgpr_alloc;
177    uint32_t max_sgpr_alloc;
178    uint32_t sgpr_alloc_granularity;
179    uint32_t min_wave64_vgpr_alloc;
180    uint32_t max_vgpr_alloc;
181    uint32_t wave64_vgpr_alloc_granularity;
182    bool use_late_alloc; /* VS and GS: late pos/param allocation */
183 
184    /* Render backends (color + depth blocks). */
185    uint32_t r300_num_gb_pipes;
186    uint32_t r300_num_z_pipes;
187    uint32_t r600_gb_backend_map; /* R600 harvest config */
188    bool r600_gb_backend_map_valid;
189    uint32_t r600_num_banks;
190    uint32_t gb_addr_config;
191    uint32_t pa_sc_tile_steering_override; /* CLEAR_STATE also sets this */
192    uint32_t num_render_backends;
193    uint32_t num_tile_pipes; /* pipe count from PIPE_CONFIG */
194    uint32_t pipe_interleave_bytes;
195    uint32_t enabled_rb_mask; /* GCN harvest config */
196    uint64_t max_alignment;   /* from addrlib */
197    uint32_t pbb_max_alloc_count;
198 
199    /* Tile modes. */
200    uint32_t si_tile_mode_array[32];
201    uint32_t cik_macrotile_mode_array[16];
202 };
203 
204 bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
205                        struct amdgpu_gpu_info *amdinfo);
206 
207 void ac_compute_driver_uuid(char *uuid, size_t size);
208 
209 void ac_compute_device_uuid(struct radeon_info *info, char *uuid, size_t size);
210 void ac_print_gpu_info(struct radeon_info *info, FILE *f);
211 int ac_get_gs_table_depth(enum chip_class chip_class, enum radeon_family family);
212 void ac_get_raster_config(struct radeon_info *info, uint32_t *raster_config_p,
213                           uint32_t *raster_config_1_p, uint32_t *se_tile_repeat_p);
214 void ac_get_harvested_configs(struct radeon_info *info, unsigned raster_config,
215                               unsigned *cik_raster_config_1_p, unsigned *raster_config_se);
216 unsigned ac_get_compute_resource_limits(struct radeon_info *info, unsigned waves_per_threadgroup,
217                                         unsigned max_waves_per_sh, unsigned threadgroups_per_cu);
218 
219 #ifdef __cplusplus
220 }
221 #endif
222 
223 #endif /* AC_GPU_INFO_H */
224