1 /* 2 * Copyright 2014 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 */ 23 24 #ifndef __AMDGPU_GFX_H__ 25 #define __AMDGPU_GFX_H__ 26 27 /* 28 * GFX stuff 29 */ 30 #include "clearstate_defs.h" 31 #include "amdgpu_ring.h" 32 #include "amdgpu_rlc.h" 33 34 /* GFX current status */ 35 #define AMDGPU_GFX_NORMAL_MODE 0x00000000L 36 #define AMDGPU_GFX_SAFE_MODE 0x00000001L 37 #define AMDGPU_GFX_PG_DISABLED_MODE 0x00000002L 38 #define AMDGPU_GFX_CG_DISABLED_MODE 0x00000004L 39 #define AMDGPU_GFX_LBPW_DISABLED_MODE 0x00000008L 40 41 #define AMDGPU_MAX_GFX_QUEUES KGD_MAX_QUEUES 42 #define AMDGPU_MAX_COMPUTE_QUEUES KGD_MAX_QUEUES 43 44 enum gfx_pipe_priority { 45 AMDGPU_GFX_PIPE_PRIO_NORMAL = 1, 46 AMDGPU_GFX_PIPE_PRIO_HIGH, 47 AMDGPU_GFX_PIPE_PRIO_MAX 48 }; 49 50 #define AMDGPU_GFX_QUEUE_PRIORITY_MINIMUM 0 51 #define AMDGPU_GFX_QUEUE_PRIORITY_MAXIMUM 15 52 53 struct amdgpu_mec { 54 struct amdgpu_bo *hpd_eop_obj; 55 u64 hpd_eop_gpu_addr; 56 struct amdgpu_bo *mec_fw_obj; 57 u64 mec_fw_gpu_addr; 58 u32 num_mec; 59 u32 num_pipe_per_mec; 60 u32 num_queue_per_pipe; 61 void *mqd_backup[AMDGPU_MAX_COMPUTE_RINGS + 1]; 62 63 /* These are the resources for which amdgpu takes ownership */ 64 DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_COMPUTE_QUEUES); 65 }; 66 67 enum amdgpu_unmap_queues_action { 68 PREEMPT_QUEUES = 0, 69 RESET_QUEUES, 70 DISABLE_PROCESS_QUEUES, 71 PREEMPT_QUEUES_NO_UNMAP, 72 }; 73 74 struct kiq_pm4_funcs { 75 /* Support ASIC-specific kiq pm4 packets*/ 76 void (*kiq_set_resources)(struct amdgpu_ring *kiq_ring, 77 uint64_t queue_mask); 78 void (*kiq_map_queues)(struct amdgpu_ring *kiq_ring, 79 struct amdgpu_ring *ring); 80 void (*kiq_unmap_queues)(struct amdgpu_ring *kiq_ring, 81 struct amdgpu_ring *ring, 82 enum amdgpu_unmap_queues_action action, 83 u64 gpu_addr, u64 seq); 84 void (*kiq_query_status)(struct amdgpu_ring *kiq_ring, 85 struct amdgpu_ring *ring, 86 u64 addr, 87 u64 seq); 88 void (*kiq_invalidate_tlbs)(struct amdgpu_ring *kiq_ring, 89 uint16_t pasid, uint32_t flush_type, 90 bool all_hub); 91 /* Packet sizes */ 92 int set_resources_size; 93 int map_queues_size; 94 int unmap_queues_size; 95 int query_status_size; 96 int invalidate_tlbs_size; 97 }; 98 99 struct amdgpu_kiq { 100 u64 eop_gpu_addr; 101 struct amdgpu_bo *eop_obj; 102 spinlock_t ring_lock; 103 struct amdgpu_ring ring; 104 struct amdgpu_irq_src irq; 105 const struct kiq_pm4_funcs *pmf; 106 }; 107 108 /* 109 * GPU scratch registers structures, functions & helpers 110 */ 111 struct amdgpu_scratch { 112 unsigned num_reg; 113 uint32_t reg_base; 114 uint32_t free_mask; 115 }; 116 117 /* 118 * GFX configurations 119 */ 120 #define AMDGPU_GFX_MAX_SE 4 121 #define AMDGPU_GFX_MAX_SH_PER_SE 2 122 123 struct amdgpu_rb_config { 124 uint32_t rb_backend_disable; 125 uint32_t user_rb_backend_disable; 126 uint32_t raster_config; 127 uint32_t raster_config_1; 128 }; 129 130 struct gb_addr_config { 131 uint16_t pipe_interleave_size; 132 uint8_t num_pipes; 133 uint8_t max_compress_frags; 134 uint8_t num_banks; 135 uint8_t num_se; 136 uint8_t num_rb_per_se; 137 uint8_t num_pkrs; 138 }; 139 140 struct amdgpu_gfx_config { 141 unsigned max_shader_engines; 142 unsigned max_tile_pipes; 143 unsigned max_cu_per_sh; 144 unsigned max_sh_per_se; 145 unsigned max_backends_per_se; 146 unsigned max_texture_channel_caches; 147 unsigned max_gprs; 148 unsigned max_gs_threads; 149 unsigned max_hw_contexts; 150 unsigned sc_prim_fifo_size_frontend; 151 unsigned sc_prim_fifo_size_backend; 152 unsigned sc_hiz_tile_fifo_size; 153 unsigned sc_earlyz_tile_fifo_size; 154 155 unsigned num_tile_pipes; 156 unsigned backend_enable_mask; 157 unsigned mem_max_burst_length_bytes; 158 unsigned mem_row_size_in_kb; 159 unsigned shader_engine_tile_size; 160 unsigned num_gpus; 161 unsigned multi_gpu_tile_size; 162 unsigned mc_arb_ramcfg; 163 unsigned num_banks; 164 unsigned num_ranks; 165 unsigned gb_addr_config; 166 unsigned num_rbs; 167 unsigned gs_vgt_table_depth; 168 unsigned gs_prim_buffer_depth; 169 170 uint32_t tile_mode_array[32]; 171 uint32_t macrotile_mode_array[16]; 172 173 struct gb_addr_config gb_addr_config_fields; 174 struct amdgpu_rb_config rb_config[AMDGPU_GFX_MAX_SE][AMDGPU_GFX_MAX_SH_PER_SE]; 175 176 /* gfx configure feature */ 177 uint32_t double_offchip_lds_buf; 178 /* cached value of DB_DEBUG2 */ 179 uint32_t db_debug2; 180 /* gfx10 specific config */ 181 uint32_t num_sc_per_sh; 182 uint32_t num_packer_per_sc; 183 uint32_t pa_sc_tile_steering_override; 184 uint64_t tcc_disabled_mask; 185 }; 186 187 struct amdgpu_cu_info { 188 uint32_t simd_per_cu; 189 uint32_t max_waves_per_simd; 190 uint32_t wave_front_size; 191 uint32_t max_scratch_slots_per_cu; 192 uint32_t lds_size; 193 194 /* total active CU number */ 195 uint32_t number; 196 uint32_t ao_cu_mask; 197 uint32_t ao_cu_bitmap[4][4]; 198 uint32_t bitmap[4][4]; 199 }; 200 201 struct amdgpu_gfx_funcs { 202 /* get the gpu clock counter */ 203 uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev); 204 void (*select_se_sh)(struct amdgpu_device *adev, u32 se_num, 205 u32 sh_num, u32 instance); 206 void (*read_wave_data)(struct amdgpu_device *adev, uint32_t simd, 207 uint32_t wave, uint32_t *dst, int *no_fields); 208 void (*read_wave_vgprs)(struct amdgpu_device *adev, uint32_t simd, 209 uint32_t wave, uint32_t thread, uint32_t start, 210 uint32_t size, uint32_t *dst); 211 void (*read_wave_sgprs)(struct amdgpu_device *adev, uint32_t simd, 212 uint32_t wave, uint32_t start, uint32_t size, 213 uint32_t *dst); 214 void (*select_me_pipe_q)(struct amdgpu_device *adev, u32 me, u32 pipe, 215 u32 queue, u32 vmid); 216 int (*ras_error_inject)(struct amdgpu_device *adev, void *inject_if); 217 int (*query_ras_error_count) (struct amdgpu_device *adev, void *ras_error_status); 218 void (*reset_ras_error_count) (struct amdgpu_device *adev); 219 }; 220 221 struct sq_work { 222 struct work_struct work; 223 unsigned ih_data; 224 }; 225 226 struct amdgpu_pfp { 227 struct amdgpu_bo *pfp_fw_obj; 228 uint64_t pfp_fw_gpu_addr; 229 uint32_t *pfp_fw_ptr; 230 }; 231 232 struct amdgpu_ce { 233 struct amdgpu_bo *ce_fw_obj; 234 uint64_t ce_fw_gpu_addr; 235 uint32_t *ce_fw_ptr; 236 }; 237 238 struct amdgpu_me { 239 struct amdgpu_bo *me_fw_obj; 240 uint64_t me_fw_gpu_addr; 241 uint32_t *me_fw_ptr; 242 uint32_t num_me; 243 uint32_t num_pipe_per_me; 244 uint32_t num_queue_per_pipe; 245 void *mqd_backup[AMDGPU_MAX_GFX_RINGS]; 246 247 /* These are the resources for which amdgpu takes ownership */ 248 DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_GFX_QUEUES); 249 }; 250 251 struct amdgpu_gfx { 252 struct mutex gpu_clock_mutex; 253 struct amdgpu_gfx_config config; 254 struct amdgpu_rlc rlc; 255 struct amdgpu_pfp pfp; 256 struct amdgpu_ce ce; 257 struct amdgpu_me me; 258 struct amdgpu_mec mec; 259 struct amdgpu_kiq kiq; 260 struct amdgpu_scratch scratch; 261 const struct firmware *me_fw; /* ME firmware */ 262 uint32_t me_fw_version; 263 const struct firmware *pfp_fw; /* PFP firmware */ 264 uint32_t pfp_fw_version; 265 const struct firmware *ce_fw; /* CE firmware */ 266 uint32_t ce_fw_version; 267 const struct firmware *rlc_fw; /* RLC firmware */ 268 uint32_t rlc_fw_version; 269 const struct firmware *mec_fw; /* MEC firmware */ 270 uint32_t mec_fw_version; 271 const struct firmware *mec2_fw; /* MEC2 firmware */ 272 uint32_t mec2_fw_version; 273 uint32_t me_feature_version; 274 uint32_t ce_feature_version; 275 uint32_t pfp_feature_version; 276 uint32_t rlc_feature_version; 277 uint32_t rlc_srlc_fw_version; 278 uint32_t rlc_srlc_feature_version; 279 uint32_t rlc_srlg_fw_version; 280 uint32_t rlc_srlg_feature_version; 281 uint32_t rlc_srls_fw_version; 282 uint32_t rlc_srls_feature_version; 283 uint32_t mec_feature_version; 284 uint32_t mec2_feature_version; 285 bool mec_fw_write_wait; 286 bool me_fw_write_wait; 287 bool cp_fw_write_wait; 288 struct amdgpu_ring gfx_ring[AMDGPU_MAX_GFX_RINGS]; 289 unsigned num_gfx_rings; 290 struct amdgpu_ring compute_ring[AMDGPU_MAX_COMPUTE_RINGS]; 291 unsigned num_compute_rings; 292 struct amdgpu_irq_src eop_irq; 293 struct amdgpu_irq_src priv_reg_irq; 294 struct amdgpu_irq_src priv_inst_irq; 295 struct amdgpu_irq_src cp_ecc_error_irq; 296 struct amdgpu_irq_src sq_irq; 297 struct sq_work sq_work; 298 299 /* gfx status */ 300 uint32_t gfx_current_status; 301 /* ce ram size*/ 302 unsigned ce_ram_size; 303 struct amdgpu_cu_info cu_info; 304 const struct amdgpu_gfx_funcs *funcs; 305 306 /* reset mask */ 307 uint32_t grbm_soft_reset; 308 uint32_t srbm_soft_reset; 309 310 /* gfx off */ 311 bool gfx_off_state; /* true: enabled, false: disabled */ 312 struct mutex gfx_off_mutex; 313 uint32_t gfx_off_req_count; /* default 1, enable gfx off: dec 1, disable gfx off: add 1 */ 314 struct delayed_work gfx_off_delay_work; 315 316 /* pipe reservation */ 317 struct mutex pipe_reserve_mutex; 318 DECLARE_BITMAP (pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES); 319 320 /*ras */ 321 struct ras_common_if *ras_if; 322 }; 323 324 #define amdgpu_gfx_get_gpu_clock_counter(adev) (adev)->gfx.funcs->get_gpu_clock_counter((adev)) 325 #define amdgpu_gfx_select_se_sh(adev, se, sh, instance) (adev)->gfx.funcs->select_se_sh((adev), (se), (sh), (instance)) 326 #define amdgpu_gfx_select_me_pipe_q(adev, me, pipe, q, vmid) (adev)->gfx.funcs->select_me_pipe_q((adev), (me), (pipe), (q), (vmid)) 327 328 /** 329 * amdgpu_gfx_create_bitmask - create a bitmask 330 * 331 * @bit_width: length of the mask 332 * 333 * create a variable length bit mask. 334 * Returns the bitmask. 335 */ 336 static inline u32 amdgpu_gfx_create_bitmask(u32 bit_width) 337 { 338 return (u32)((1ULL << bit_width) - 1); 339 } 340 341 int amdgpu_gfx_scratch_get(struct amdgpu_device *adev, uint32_t *reg); 342 void amdgpu_gfx_scratch_free(struct amdgpu_device *adev, uint32_t reg); 343 344 void amdgpu_gfx_parse_disable_cu(unsigned *mask, unsigned max_se, 345 unsigned max_sh); 346 347 int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev, 348 struct amdgpu_ring *ring, 349 struct amdgpu_irq_src *irq); 350 351 void amdgpu_gfx_kiq_free_ring(struct amdgpu_ring *ring); 352 353 void amdgpu_gfx_kiq_fini(struct amdgpu_device *adev); 354 int amdgpu_gfx_kiq_init(struct amdgpu_device *adev, 355 unsigned hpd_size); 356 357 int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev, 358 unsigned mqd_size); 359 void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev); 360 int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev); 361 int amdgpu_gfx_enable_kcq(struct amdgpu_device *adev); 362 363 void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev); 364 void amdgpu_gfx_graphics_queue_acquire(struct amdgpu_device *adev); 365 366 int amdgpu_gfx_mec_queue_to_bit(struct amdgpu_device *adev, int mec, 367 int pipe, int queue); 368 void amdgpu_queue_mask_bit_to_mec_queue(struct amdgpu_device *adev, int bit, 369 int *mec, int *pipe, int *queue); 370 bool amdgpu_gfx_is_mec_queue_enabled(struct amdgpu_device *adev, int mec, 371 int pipe, int queue); 372 bool amdgpu_gfx_is_high_priority_compute_queue(struct amdgpu_device *adev, 373 int queue); 374 int amdgpu_gfx_me_queue_to_bit(struct amdgpu_device *adev, int me, 375 int pipe, int queue); 376 void amdgpu_gfx_bit_to_me_queue(struct amdgpu_device *adev, int bit, 377 int *me, int *pipe, int *queue); 378 bool amdgpu_gfx_is_me_queue_enabled(struct amdgpu_device *adev, int me, 379 int pipe, int queue); 380 void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable); 381 int amdgpu_get_gfx_off_status(struct amdgpu_device *adev, uint32_t *value); 382 int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev); 383 void amdgpu_gfx_ras_fini(struct amdgpu_device *adev); 384 int amdgpu_gfx_process_ras_data_cb(struct amdgpu_device *adev, 385 void *err_data, 386 struct amdgpu_iv_entry *entry); 387 int amdgpu_gfx_cp_ecc_error_irq(struct amdgpu_device *adev, 388 struct amdgpu_irq_src *source, 389 struct amdgpu_iv_entry *entry); 390 uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg); 391 void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v); 392 #endif 393