drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h

   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