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 #include "soc15.h"
34
35 /* GFX current status */
36 #define AMDGPU_GFX_NORMAL_MODE 0x00000000L
37 #define AMDGPU_GFX_SAFE_MODE 0x00000001L
38 #define AMDGPU_GFX_PG_DISABLED_MODE 0x00000002L
39 #define AMDGPU_GFX_CG_DISABLED_MODE 0x00000004L
40 #define AMDGPU_GFX_LBPW_DISABLED_MODE 0x00000008L
41
42 #define AMDGPU_MAX_GFX_QUEUES KGD_MAX_QUEUES
43 #define AMDGPU_MAX_COMPUTE_QUEUES KGD_MAX_QUEUES
44
45 enum gfx_pipe_priority {
46 AMDGPU_GFX_PIPE_PRIO_NORMAL = 1,
47 AMDGPU_GFX_PIPE_PRIO_HIGH,
48 AMDGPU_GFX_PIPE_PRIO_MAX
49 };
50
51 /* Argument for PPSMC_MSG_GpuChangeState */
52 enum gfx_change_state {
53 sGpuChangeState_D0Entry = 1,
54 sGpuChangeState_D3Entry,
55 };
56
57 #define AMDGPU_GFX_QUEUE_PRIORITY_MINIMUM 0
58 #define AMDGPU_GFX_QUEUE_PRIORITY_MAXIMUM 15
59
60 struct amdgpu_mec {
61 struct amdgpu_bo *hpd_eop_obj;
62 u64 hpd_eop_gpu_addr;
63 struct amdgpu_bo *mec_fw_obj;
64 u64 mec_fw_gpu_addr;
65 u32 num_mec;
66 u32 num_pipe_per_mec;
67 u32 num_queue_per_pipe;
68 void *mqd_backup[AMDGPU_MAX_COMPUTE_RINGS + 1];
69
70 /* These are the resources for which amdgpu takes ownership */
71 DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
72 };
73
74 enum amdgpu_unmap_queues_action {
75 PREEMPT_QUEUES = 0,
76 RESET_QUEUES,
77 DISABLE_PROCESS_QUEUES,
78 PREEMPT_QUEUES_NO_UNMAP,
79 };
80
81 struct kiq_pm4_funcs {
82 /* Support ASIC-specific kiq pm4 packets*/
83 void (*kiq_set_resources)(struct amdgpu_ring *kiq_ring,
84 uint64_t queue_mask);
85 void (*kiq_map_queues)(struct amdgpu_ring *kiq_ring,
86 struct amdgpu_ring *ring);
87 void (*kiq_unmap_queues)(struct amdgpu_ring *kiq_ring,
88 struct amdgpu_ring *ring,
89 enum amdgpu_unmap_queues_action action,
90 u64 gpu_addr, u64 seq);
91 void (*kiq_query_status)(struct amdgpu_ring *kiq_ring,
92 struct amdgpu_ring *ring,
93 u64 addr,
94 u64 seq);
95 void (*kiq_invalidate_tlbs)(struct amdgpu_ring *kiq_ring,
96 uint16_t pasid, uint32_t flush_type,
97 bool all_hub);
98 /* Packet sizes */
99 int set_resources_size;
100 int map_queues_size;
101 int unmap_queues_size;
102 int query_status_size;
103 int invalidate_tlbs_size;
104 };
105
106 struct amdgpu_kiq {
107 u64 eop_gpu_addr;
108 struct amdgpu_bo *eop_obj;
109 spinlock_t ring_lock;
110 struct amdgpu_ring ring;
111 struct amdgpu_irq_src irq;
112 const struct kiq_pm4_funcs *pmf;
113 };
114
115 /*
116 * GPU scratch registers structures, functions & helpers
117 */
118 struct amdgpu_scratch {
119 unsigned num_reg;
120 uint32_t reg_base;
121 uint32_t free_mask;
122 };
123
124 /*
125 * GFX configurations
126 */
127 #define AMDGPU_GFX_MAX_SE 4
128 #define AMDGPU_GFX_MAX_SH_PER_SE 2
129
130 struct amdgpu_rb_config {
131 uint32_t rb_backend_disable;
132 uint32_t user_rb_backend_disable;
133 uint32_t raster_config;
134 uint32_t raster_config_1;
135 };
136
137 struct gb_addr_config {
138 uint16_t pipe_interleave_size;
139 uint8_t num_pipes;
140 uint8_t max_compress_frags;
141 uint8_t num_banks;
142 uint8_t num_se;
143 uint8_t num_rb_per_se;
144 uint8_t num_pkrs;
145 };
146
147 struct amdgpu_gfx_config {
148 unsigned max_shader_engines;
149 unsigned max_tile_pipes;
150 unsigned max_cu_per_sh;
151 unsigned max_sh_per_se;
152 unsigned max_backends_per_se;
153 unsigned max_texture_channel_caches;
154 unsigned max_gprs;
155 unsigned max_gs_threads;
156 unsigned max_hw_contexts;
157 unsigned sc_prim_fifo_size_frontend;
158 unsigned sc_prim_fifo_size_backend;
159 unsigned sc_hiz_tile_fifo_size;
160 unsigned sc_earlyz_tile_fifo_size;
161
162 unsigned num_tile_pipes;
163 unsigned backend_enable_mask;
164 unsigned mem_max_burst_length_bytes;
165 unsigned mem_row_size_in_kb;
166 unsigned shader_engine_tile_size;
167 unsigned num_gpus;
168 unsigned multi_gpu_tile_size;
169 unsigned mc_arb_ramcfg;
170 unsigned num_banks;
171 unsigned num_ranks;
172 unsigned gb_addr_config;
173 unsigned num_rbs;
174 unsigned gs_vgt_table_depth;
175 unsigned gs_prim_buffer_depth;
176
177 uint32_t tile_mode_array[32];
178 uint32_t macrotile_mode_array[16];
179
180 struct gb_addr_config gb_addr_config_fields;
181 struct amdgpu_rb_config rb_config[AMDGPU_GFX_MAX_SE][AMDGPU_GFX_MAX_SH_PER_SE];
182
183 /* gfx configure feature */
184 uint32_t double_offchip_lds_buf;
185 /* cached value of DB_DEBUG2 */
186 uint32_t db_debug2;
187 /* gfx10 specific config */
188 uint32_t num_sc_per_sh;
189 uint32_t num_packer_per_sc;
190 uint32_t pa_sc_tile_steering_override;
191 uint64_t tcc_disabled_mask;
192 };
193
194 struct amdgpu_cu_info {
195 uint32_t simd_per_cu;
196 uint32_t max_waves_per_simd;
197 uint32_t wave_front_size;
198 uint32_t max_scratch_slots_per_cu;
199 uint32_t lds_size;
200
201 /* total active CU number */
202 uint32_t number;
203 uint32_t ao_cu_mask;
204 uint32_t ao_cu_bitmap[4][4];
205 uint32_t bitmap[4][4];
206 };
207
208 struct amdgpu_gfx_ras_funcs {
209 int (*ras_late_init)(struct amdgpu_device *adev);
210 void (*ras_fini)(struct amdgpu_device *adev);
211 int (*ras_error_inject)(struct amdgpu_device *adev,
212 void *inject_if);
213 int (*query_ras_error_count)(struct amdgpu_device *adev,
214 void *ras_error_status);
215 void (*reset_ras_error_count)(struct amdgpu_device *adev);
216 void (*query_ras_error_status)(struct amdgpu_device *adev);
217 void (*reset_ras_error_status)(struct amdgpu_device *adev);
218 void (*enable_watchdog_timer)(struct amdgpu_device *adev);
219 };
220
221 struct amdgpu_gfx_funcs {
222 /* get the gpu clock counter */
223 uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev);
224 void (*select_se_sh)(struct amdgpu_device *adev, u32 se_num,
225 u32 sh_num, u32 instance);
226 void (*read_wave_data)(struct amdgpu_device *adev, uint32_t simd,
227 uint32_t wave, uint32_t *dst, int *no_fields);
228 void (*read_wave_vgprs)(struct amdgpu_device *adev, uint32_t simd,
229 uint32_t wave, uint32_t thread, uint32_t start,
230 uint32_t size, uint32_t *dst);
231 void (*read_wave_sgprs)(struct amdgpu_device *adev, uint32_t simd,
232 uint32_t wave, uint32_t start, uint32_t size,
233 uint32_t *dst);
234 void (*select_me_pipe_q)(struct amdgpu_device *adev, u32 me, u32 pipe,
235 u32 queue, u32 vmid);
236 void (*init_spm_golden)(struct amdgpu_device *adev);
237 void (*update_perfmon_mgcg)(struct amdgpu_device *adev, bool enable);
238 };
239
240 struct sq_work {
241 struct work_struct work;
242 unsigned ih_data;
243 };
244
245 struct amdgpu_pfp {
246 struct amdgpu_bo *pfp_fw_obj;
247 uint64_t pfp_fw_gpu_addr;
248 uint32_t *pfp_fw_ptr;
249 };
250
251 struct amdgpu_ce {
252 struct amdgpu_bo *ce_fw_obj;
253 uint64_t ce_fw_gpu_addr;
254 uint32_t *ce_fw_ptr;
255 };
256
257 struct amdgpu_me {
258 struct amdgpu_bo *me_fw_obj;
259 uint64_t me_fw_gpu_addr;
260 uint32_t *me_fw_ptr;
261 uint32_t num_me;
262 uint32_t num_pipe_per_me;
263 uint32_t num_queue_per_pipe;
264 void *mqd_backup[AMDGPU_MAX_GFX_RINGS];
265
266 /* These are the resources for which amdgpu takes ownership */
267 DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_GFX_QUEUES);
268 };
269
270 struct amdgpu_gfx {
271 struct mutex gpu_clock_mutex;
272 struct amdgpu_gfx_config config;
273 struct amdgpu_rlc rlc;
274 struct amdgpu_pfp pfp;
275 struct amdgpu_ce ce;
276 struct amdgpu_me me;
277 struct amdgpu_mec mec;
278 struct amdgpu_kiq kiq;
279 struct amdgpu_scratch scratch;
280 const struct firmware *me_fw; /* ME firmware */
281 uint32_t me_fw_version;
282 const struct firmware *pfp_fw; /* PFP firmware */
283 uint32_t pfp_fw_version;
284 const struct firmware *ce_fw; /* CE firmware */
285 uint32_t ce_fw_version;
286 const struct firmware *rlc_fw; /* RLC firmware */
287 uint32_t rlc_fw_version;
288 const struct firmware *mec_fw; /* MEC firmware */
289 uint32_t mec_fw_version;
290 const struct firmware *mec2_fw; /* MEC2 firmware */
291 uint32_t mec2_fw_version;
292 uint32_t me_feature_version;
293 uint32_t ce_feature_version;
294 uint32_t pfp_feature_version;
295 uint32_t rlc_feature_version;
296 uint32_t rlc_srlc_fw_version;
297 uint32_t rlc_srlc_feature_version;
298 uint32_t rlc_srlg_fw_version;
299 uint32_t rlc_srlg_feature_version;
300 uint32_t rlc_srls_fw_version;
301 uint32_t rlc_srls_feature_version;
302 uint32_t mec_feature_version;
303 uint32_t mec2_feature_version;
304 bool mec_fw_write_wait;
305 bool me_fw_write_wait;
306 bool cp_fw_write_wait;
307 struct amdgpu_ring gfx_ring[AMDGPU_MAX_GFX_RINGS];
308 unsigned num_gfx_rings;
309 struct amdgpu_ring compute_ring[AMDGPU_MAX_COMPUTE_RINGS];
310 unsigned num_compute_rings;
311 struct amdgpu_irq_src eop_irq;
312 struct amdgpu_irq_src priv_reg_irq;
313 struct amdgpu_irq_src priv_inst_irq;
314 struct amdgpu_irq_src cp_ecc_error_irq;
315 struct amdgpu_irq_src sq_irq;
316 struct sq_work sq_work;
317
318 /* gfx status */
319 uint32_t gfx_current_status;
320 /* ce ram size*/
321 unsigned ce_ram_size;
322 struct amdgpu_cu_info cu_info;
323 const struct amdgpu_gfx_funcs *funcs;
324
325 /* reset mask */
326 uint32_t grbm_soft_reset;
327 uint32_t srbm_soft_reset;
328
329 /* gfx off */
330 bool gfx_off_state; /* true: enabled, false: disabled */
331 struct mutex gfx_off_mutex;
332 uint32_t gfx_off_req_count; /* default 1, enable gfx off: dec 1, disable gfx off: add 1 */
333 struct delayed_work gfx_off_delay_work;
334
335 /* pipe reservation */
336 struct mutex pipe_reserve_mutex;
337 DECLARE_BITMAP (pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
338
339 /*ras */
340 struct ras_common_if *ras_if;
341 const struct amdgpu_gfx_ras_funcs *ras_funcs;
342 };
343
344 #define amdgpu_gfx_get_gpu_clock_counter(adev) (adev)->gfx.funcs->get_gpu_clock_counter((adev))
345 #define amdgpu_gfx_select_se_sh(adev, se, sh, instance) (adev)->gfx.funcs->select_se_sh((adev), (se), (sh), (instance))
346 #define amdgpu_gfx_select_me_pipe_q(adev, me, pipe, q, vmid) (adev)->gfx.funcs->select_me_pipe_q((adev), (me), (pipe), (q), (vmid))
347 #define amdgpu_gfx_init_spm_golden(adev) (adev)->gfx.funcs->init_spm_golden((adev))
348
349 /**
350 * amdgpu_gfx_create_bitmask - create a bitmask
351 *
352 * @bit_width: length of the mask
353 *
354 * create a variable length bit mask.
355 * Returns the bitmask.
356 */
amdgpu_gfx_create_bitmask(u32 bit_width)357 static inline u32 amdgpu_gfx_create_bitmask(u32 bit_width)
358 {
359 return (u32)((1ULL << bit_width) - 1);
360 }
361
362 int amdgpu_gfx_scratch_get(struct amdgpu_device *adev, uint32_t *reg);
363 void amdgpu_gfx_scratch_free(struct amdgpu_device *adev, uint32_t reg);
364
365 void amdgpu_gfx_parse_disable_cu(unsigned *mask, unsigned max_se,
366 unsigned max_sh);
367
368 int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev,
369 struct amdgpu_ring *ring,
370 struct amdgpu_irq_src *irq);
371
372 void amdgpu_gfx_kiq_free_ring(struct amdgpu_ring *ring);
373
374 void amdgpu_gfx_kiq_fini(struct amdgpu_device *adev);
375 int amdgpu_gfx_kiq_init(struct amdgpu_device *adev,
376 unsigned hpd_size);
377
378 int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
379 unsigned mqd_size);
380 void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev);
381 int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev);
382 int amdgpu_gfx_enable_kcq(struct amdgpu_device *adev);
383
384 void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev);
385 void amdgpu_gfx_graphics_queue_acquire(struct amdgpu_device *adev);
386
387 int amdgpu_gfx_mec_queue_to_bit(struct amdgpu_device *adev, int mec,
388 int pipe, int queue);
389 void amdgpu_queue_mask_bit_to_mec_queue(struct amdgpu_device *adev, int bit,
390 int *mec, int *pipe, int *queue);
391 bool amdgpu_gfx_is_mec_queue_enabled(struct amdgpu_device *adev, int mec,
392 int pipe, int queue);
393 bool amdgpu_gfx_is_high_priority_compute_queue(struct amdgpu_device *adev,
394 struct amdgpu_ring *ring);
395 int amdgpu_gfx_me_queue_to_bit(struct amdgpu_device *adev, int me,
396 int pipe, int queue);
397 void amdgpu_gfx_bit_to_me_queue(struct amdgpu_device *adev, int bit,
398 int *me, int *pipe, int *queue);
399 bool amdgpu_gfx_is_me_queue_enabled(struct amdgpu_device *adev, int me,
400 int pipe, int queue);
401 void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable);
402 int amdgpu_get_gfx_off_status(struct amdgpu_device *adev, uint32_t *value);
403 int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev);
404 void amdgpu_gfx_ras_fini(struct amdgpu_device *adev);
405 int amdgpu_gfx_process_ras_data_cb(struct amdgpu_device *adev,
406 void *err_data,
407 struct amdgpu_iv_entry *entry);
408 int amdgpu_gfx_cp_ecc_error_irq(struct amdgpu_device *adev,
409 struct amdgpu_irq_src *source,
410 struct amdgpu_iv_entry *entry);
411 uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg);
412 void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v);
413 int amdgpu_gfx_get_num_kcq(struct amdgpu_device *adev);
414 void amdgpu_gfx_state_change_set(struct amdgpu_device *adev, enum gfx_change_state state);
415 #endif
416