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 /* Argument for PPSMC_MSG_GpuChangeState */
  51 enum gfx_change_state {
  52         sGpuChangeState_D0Entry = 1,
  53         sGpuChangeState_D3Entry,
  54 };
  55
  56 #define AMDGPU_GFX_QUEUE_PRIORITY_MINIMUM  0
  57 #define AMDGPU_GFX_QUEUE_PRIORITY_MAXIMUM  15
  58
  59 struct amdgpu_mec {
  60         struct amdgpu_bo        *hpd_eop_obj;
  61         u64                     hpd_eop_gpu_addr;
  62         struct amdgpu_bo        *mec_fw_obj;
  63         u64                     mec_fw_gpu_addr;
  64         u32 num_mec;
  65         u32 num_pipe_per_mec;
  66         u32 num_queue_per_pipe;
  67         void                    *mqd_backup[AMDGPU_MAX_COMPUTE_RINGS + 1];
  68
  69         /* These are the resources for which amdgpu takes ownership */
  70         DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
  71 };
  72
  73 enum amdgpu_unmap_queues_action {
  74         PREEMPT_QUEUES = 0,
  75         RESET_QUEUES,
  76         DISABLE_PROCESS_QUEUES,
  77         PREEMPT_QUEUES_NO_UNMAP,
  78 };
  79
  80 struct kiq_pm4_funcs {
  81         /* Support ASIC-specific kiq pm4 packets*/
  82         void (*kiq_set_resources)(struct amdgpu_ring *kiq_ring,
  83                                         uint64_t queue_mask);
  84         void (*kiq_map_queues)(struct amdgpu_ring *kiq_ring,
  85                                         struct amdgpu_ring *ring);
  86         void (*kiq_unmap_queues)(struct amdgpu_ring *kiq_ring,
  87                                  struct amdgpu_ring *ring,
  88                                  enum amdgpu_unmap_queues_action action,
  89                                  u64 gpu_addr, u64 seq);
  90         void (*kiq_query_status)(struct amdgpu_ring *kiq_ring,
  91                                         struct amdgpu_ring *ring,
  92                                         u64 addr,
  93                                         u64 seq);
  94         void (*kiq_invalidate_tlbs)(struct amdgpu_ring *kiq_ring,
  95                                 uint16_t pasid, uint32_t flush_type,
  96                                 bool all_hub);
  97         /* Packet sizes */
  98         int set_resources_size;
  99         int map_queues_size;
 100         int unmap_queues_size;
 101         int query_status_size;
 102         int invalidate_tlbs_size;
 103 };
 104
 105 struct amdgpu_kiq {
 106         u64                     eop_gpu_addr;
 107         struct amdgpu_bo        *eop_obj;
 108         spinlock_t              ring_lock;
 109         struct amdgpu_ring      ring;
 110         struct amdgpu_irq_src   irq;
 111         const struct kiq_pm4_funcs *pmf;
 112 };
 113
 114 /*
 115  * GPU scratch registers structures, functions & helpers
 116  */
 117 struct amdgpu_scratch {
 118         unsigned                num_reg;
 119         uint32_t                reg_base;
 120         uint32_t                free_mask;
 121 };
 122
 123 /*
 124  * GFX configurations
 125  */
 126 #define AMDGPU_GFX_MAX_SE 4
 127 #define AMDGPU_GFX_MAX_SH_PER_SE 2
 128
 129 struct amdgpu_rb_config {
 130         uint32_t rb_backend_disable;
 131         uint32_t user_rb_backend_disable;
 132         uint32_t raster_config;
 133         uint32_t raster_config_1;
 134 };
 135
 136 struct gb_addr_config {
 137         uint16_t pipe_interleave_size;
 138         uint8_t num_pipes;
 139         uint8_t max_compress_frags;
 140         uint8_t num_banks;
 141         uint8_t num_se;
 142         uint8_t num_rb_per_se;
 143         uint8_t num_pkrs;
 144 };
 145
 146 struct amdgpu_gfx_config {
 147         unsigned max_shader_engines;
 148         unsigned max_tile_pipes;
 149         unsigned max_cu_per_sh;
 150         unsigned max_sh_per_se;
 151         unsigned max_backends_per_se;
 152         unsigned max_texture_channel_caches;
 153         unsigned max_gprs;
 154         unsigned max_gs_threads;
 155         unsigned max_hw_contexts;
 156         unsigned sc_prim_fifo_size_frontend;
 157         unsigned sc_prim_fifo_size_backend;
 158         unsigned sc_hiz_tile_fifo_size;
 159         unsigned sc_earlyz_tile_fifo_size;
 160
 161         unsigned num_tile_pipes;
 162         unsigned backend_enable_mask;
 163         unsigned mem_max_burst_length_bytes;
 164         unsigned mem_row_size_in_kb;
 165         unsigned shader_engine_tile_size;
 166         unsigned num_gpus;
 167         unsigned multi_gpu_tile_size;
 168         unsigned mc_arb_ramcfg;
 169         unsigned num_banks;
 170         unsigned num_ranks;
 171         unsigned gb_addr_config;
 172         unsigned num_rbs;
 173         unsigned gs_vgt_table_depth;
 174         unsigned gs_prim_buffer_depth;
 175
 176         uint32_t tile_mode_array[32];
 177         uint32_t macrotile_mode_array[16];
 178
 179         struct gb_addr_config gb_addr_config_fields;
 180         struct amdgpu_rb_config rb_config[AMDGPU_GFX_MAX_SE][AMDGPU_GFX_MAX_SH_PER_SE];
 181
 182         /* gfx configure feature */
 183         uint32_t double_offchip_lds_buf;
 184         /* cached value of DB_DEBUG2 */
 185         uint32_t db_debug2;
 186         /* gfx10 specific config */
 187         uint32_t num_sc_per_sh;
 188         uint32_t num_packer_per_sc;
 189         uint32_t pa_sc_tile_steering_override;
 190         uint64_t tcc_disabled_mask;
 191 };
 192
 193 struct amdgpu_cu_info {
 194         uint32_t simd_per_cu;
 195         uint32_t max_waves_per_simd;
 196         uint32_t wave_front_size;
 197         uint32_t max_scratch_slots_per_cu;
 198         uint32_t lds_size;
 199
 200         /* total active CU number */
 201         uint32_t number;
 202         uint32_t ao_cu_mask;
 203         uint32_t ao_cu_bitmap[4][4];
 204         uint32_t bitmap[4][4];
 205 };
 206
 207 struct amdgpu_gfx_funcs {
 208         /* get the gpu clock counter */
 209         uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev);
 210         void (*select_se_sh)(struct amdgpu_device *adev, u32 se_num,
 211                              u32 sh_num, u32 instance);
 212         void (*read_wave_data)(struct amdgpu_device *adev, uint32_t simd,
 213                                uint32_t wave, uint32_t *dst, int *no_fields);
 214         void (*read_wave_vgprs)(struct amdgpu_device *adev, uint32_t simd,
 215                                 uint32_t wave, uint32_t thread, uint32_t start,
 216                                 uint32_t size, uint32_t *dst);
 217         void (*read_wave_sgprs)(struct amdgpu_device *adev, uint32_t simd,
 218                                 uint32_t wave, uint32_t start, uint32_t size,
 219                                 uint32_t *dst);
 220         void (*select_me_pipe_q)(struct amdgpu_device *adev, u32 me, u32 pipe,
 221                                  u32 queue, u32 vmid);
 222         int (*ras_error_inject)(struct amdgpu_device *adev, void *inject_if);
 223         int (*query_ras_error_count) (struct amdgpu_device *adev, void *ras_error_status);
 224         void (*reset_ras_error_count) (struct amdgpu_device *adev);
 225         void (*init_spm_golden)(struct amdgpu_device *adev);
 226         void (*query_ras_error_status) (struct amdgpu_device *adev);
 227         void (*update_perfmon_mgcg)(struct amdgpu_device *adev, bool enable);
 228 };
 229
 230 struct sq_work {
 231         struct work_struct      work;
 232         unsigned ih_data;
 233 };
 234
 235 struct amdgpu_pfp {
 236         struct amdgpu_bo                *pfp_fw_obj;
 237         uint64_t                        pfp_fw_gpu_addr;
 238         uint32_t                        *pfp_fw_ptr;
 239 };
 240
 241 struct amdgpu_ce {
 242         struct amdgpu_bo                *ce_fw_obj;
 243         uint64_t                        ce_fw_gpu_addr;
 244         uint32_t                        *ce_fw_ptr;
 245 };
 246
 247 struct amdgpu_me {
 248         struct amdgpu_bo                *me_fw_obj;
 249         uint64_t                        me_fw_gpu_addr;
 250         uint32_t                        *me_fw_ptr;
 251         uint32_t                        num_me;
 252         uint32_t                        num_pipe_per_me;
 253         uint32_t                        num_queue_per_pipe;
 254         void                            *mqd_backup[AMDGPU_MAX_GFX_RINGS];
 255
 256         /* These are the resources for which amdgpu takes ownership */
 257         DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_GFX_QUEUES);
 258 };
 259
 260 struct amdgpu_gfx {
 261         struct mutex                    gpu_clock_mutex;
 262         struct amdgpu_gfx_config        config;
 263         struct amdgpu_rlc               rlc;
 264         struct amdgpu_pfp               pfp;
 265         struct amdgpu_ce                ce;
 266         struct amdgpu_me                me;
 267         struct amdgpu_mec               mec;
 268         struct amdgpu_kiq               kiq;
 269         struct amdgpu_scratch           scratch;
 270         const struct firmware           *me_fw; /* ME firmware */
 271         uint32_t                        me_fw_version;
 272         const struct firmware           *pfp_fw; /* PFP firmware */
 273         uint32_t                        pfp_fw_version;
 274         const struct firmware           *ce_fw; /* CE firmware */
 275         uint32_t                        ce_fw_version;
 276         const struct firmware           *rlc_fw; /* RLC firmware */
 277         uint32_t                        rlc_fw_version;
 278         const struct firmware           *mec_fw; /* MEC firmware */
 279         uint32_t                        mec_fw_version;
 280         const struct firmware           *mec2_fw; /* MEC2 firmware */
 281         uint32_t                        mec2_fw_version;
 282         uint32_t                        me_feature_version;
 283         uint32_t                        ce_feature_version;
 284         uint32_t                        pfp_feature_version;
 285         uint32_t                        rlc_feature_version;
 286         uint32_t                        rlc_srlc_fw_version;
 287         uint32_t                        rlc_srlc_feature_version;
 288         uint32_t                        rlc_srlg_fw_version;
 289         uint32_t                        rlc_srlg_feature_version;
 290         uint32_t                        rlc_srls_fw_version;
 291         uint32_t                        rlc_srls_feature_version;
 292         uint32_t                        mec_feature_version;
 293         uint32_t                        mec2_feature_version;
 294         bool                            mec_fw_write_wait;
 295         bool                            me_fw_write_wait;
 296         bool                            cp_fw_write_wait;
 297         struct amdgpu_ring              gfx_ring[AMDGPU_MAX_GFX_RINGS];
 298         unsigned                        num_gfx_rings;
 299         struct amdgpu_ring              compute_ring[AMDGPU_MAX_COMPUTE_RINGS];
 300         unsigned                        num_compute_rings;
 301         struct amdgpu_irq_src           eop_irq;
 302         struct amdgpu_irq_src           priv_reg_irq;
 303         struct amdgpu_irq_src           priv_inst_irq;
 304         struct amdgpu_irq_src           cp_ecc_error_irq;
 305         struct amdgpu_irq_src           sq_irq;
 306         struct sq_work                  sq_work;
 307
 308         /* gfx status */
 309         uint32_t                        gfx_current_status;
 310         /* ce ram size*/
 311         unsigned                        ce_ram_size;
 312         struct amdgpu_cu_info           cu_info;
 313         const struct amdgpu_gfx_funcs   *funcs;
 314
 315         /* reset mask */
 316         uint32_t                        grbm_soft_reset;
 317         uint32_t                        srbm_soft_reset;
 318
 319         /* gfx off */
 320         bool                            gfx_off_state; /* true: enabled, false: disabled */
 321         struct mutex                    gfx_off_mutex;
 322         uint32_t                        gfx_off_req_count; /* default 1, enable gfx off: dec 1, disable gfx off: add 1 */
 323         struct delayed_work             gfx_off_delay_work;
 324
 325         /* pipe reservation */
 326         struct mutex                    pipe_reserve_mutex;
 327         DECLARE_BITMAP                  (pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
 328
 329         /*ras */
 330         struct ras_common_if            *ras_if;
 331 };
 332
 333 #define amdgpu_gfx_get_gpu_clock_counter(adev) (adev)->gfx.funcs->get_gpu_clock_counter((adev))
 334 #define amdgpu_gfx_select_se_sh(adev, se, sh, instance) (adev)->gfx.funcs->select_se_sh((adev), (se), (sh), (instance))
 335 #define amdgpu_gfx_select_me_pipe_q(adev, me, pipe, q, vmid) (adev)->gfx.funcs->select_me_pipe_q((adev), (me), (pipe), (q), (vmid))
 336 #define amdgpu_gfx_init_spm_golden(adev) (adev)->gfx.funcs->init_spm_golden((adev))
 337
 338 /**
 339  * amdgpu_gfx_create_bitmask - create a bitmask
 340  *
 341  * @bit_width: length of the mask
 342  *
 343  * create a variable length bit mask.
 344  * Returns the bitmask.
 345  */
 346 static inline u32 amdgpu_gfx_create_bitmask(u32 bit_width)
 347 {
 348         return (u32)((1ULL << bit_width) - 1);
 349 }
 350
 351 int amdgpu_gfx_scratch_get(struct amdgpu_device *adev, uint32_t *reg);
 352 void amdgpu_gfx_scratch_free(struct amdgpu_device *adev, uint32_t reg);
 353
 354 void amdgpu_gfx_parse_disable_cu(unsigned *mask, unsigned max_se,
 355                                  unsigned max_sh);
 356
 357 int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev,
 358                              struct amdgpu_ring *ring,
 359                              struct amdgpu_irq_src *irq);
 360
 361 void amdgpu_gfx_kiq_free_ring(struct amdgpu_ring *ring);
 362
 363 void amdgpu_gfx_kiq_fini(struct amdgpu_device *adev);
 364 int amdgpu_gfx_kiq_init(struct amdgpu_device *adev,
 365                         unsigned hpd_size);
 366
 367 int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
 368                            unsigned mqd_size);
 369 void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev);
 370 int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev);
 371 int amdgpu_gfx_enable_kcq(struct amdgpu_device *adev);
 372
 373 void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev);
 374 void amdgpu_gfx_graphics_queue_acquire(struct amdgpu_device *adev);
 375
 376 int amdgpu_gfx_mec_queue_to_bit(struct amdgpu_device *adev, int mec,
 377                                 int pipe, int queue);
 378 void amdgpu_queue_mask_bit_to_mec_queue(struct amdgpu_device *adev, int bit,
 379                                  int *mec, int *pipe, int *queue);
 380 bool amdgpu_gfx_is_mec_queue_enabled(struct amdgpu_device *adev, int mec,
 381                                      int pipe, int queue);
 382 bool amdgpu_gfx_is_high_priority_compute_queue(struct amdgpu_device *adev,
 383                                                struct amdgpu_ring *ring);
 384 int amdgpu_gfx_me_queue_to_bit(struct amdgpu_device *adev, int me,
 385                                int pipe, int queue);
 386 void amdgpu_gfx_bit_to_me_queue(struct amdgpu_device *adev, int bit,
 387                                 int *me, int *pipe, int *queue);
 388 bool amdgpu_gfx_is_me_queue_enabled(struct amdgpu_device *adev, int me,
 389                                     int pipe, int queue);
 390 void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable);
 391 int amdgpu_get_gfx_off_status(struct amdgpu_device *adev, uint32_t *value);
 392 int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev);
 393 void amdgpu_gfx_ras_fini(struct amdgpu_device *adev);
 394 int amdgpu_gfx_process_ras_data_cb(struct amdgpu_device *adev,
 395                 void *err_data,
 396                 struct amdgpu_iv_entry *entry);
 397 int amdgpu_gfx_cp_ecc_error_irq(struct amdgpu_device *adev,
 398                                   struct amdgpu_irq_src *source,
 399                                   struct amdgpu_iv_entry *entry);
 400 uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg);
 401 void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v);
 402 int amdgpu_gfx_get_num_kcq(struct amdgpu_device *adev);
 403 void amdgpu_gfx_state_change_set(struct amdgpu_device *adev, enum gfx_change_state state);
 404 #endif