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 "amdgpu_imu.h"
34 #include "soc15.h"
35 #include "amdgpu_ras.h"
36 #include "amdgpu_ring_mux.h"
37 
38 /* GFX current status */
39 #define AMDGPU_GFX_NORMAL_MODE			0x00000000L
40 #define AMDGPU_GFX_SAFE_MODE			0x00000001L
41 #define AMDGPU_GFX_PG_DISABLED_MODE		0x00000002L
42 #define AMDGPU_GFX_CG_DISABLED_MODE		0x00000004L
43 #define AMDGPU_GFX_LBPW_DISABLED_MODE		0x00000008L
44 
45 #define AMDGPU_MAX_GC_INSTANCES		8
46 
47 #define AMDGPU_MAX_GFX_QUEUES KGD_MAX_QUEUES
48 #define AMDGPU_MAX_COMPUTE_QUEUES KGD_MAX_QUEUES
49 
50 enum amdgpu_gfx_pipe_priority {
51 	AMDGPU_GFX_PIPE_PRIO_NORMAL = AMDGPU_RING_PRIO_1,
52 	AMDGPU_GFX_PIPE_PRIO_HIGH = AMDGPU_RING_PRIO_2
53 };
54 
55 #define AMDGPU_GFX_QUEUE_PRIORITY_MINIMUM  0
56 #define AMDGPU_GFX_QUEUE_PRIORITY_MAXIMUM  15
57 
58 enum amdgpu_gfx_partition {
59 	AMDGPU_SPX_PARTITION_MODE = 0,
60 	AMDGPU_DPX_PARTITION_MODE = 1,
61 	AMDGPU_TPX_PARTITION_MODE = 2,
62 	AMDGPU_QPX_PARTITION_MODE = 3,
63 	AMDGPU_CPX_PARTITION_MODE = 4,
64 	AMDGPU_UNKNOWN_COMPUTE_PARTITION_MODE,
65 };
66 
67 struct amdgpu_mec {
68 	struct amdgpu_bo	*hpd_eop_obj;
69 	u64			hpd_eop_gpu_addr;
70 	struct amdgpu_bo	*mec_fw_obj;
71 	u64			mec_fw_gpu_addr;
72 	struct amdgpu_bo	*mec_fw_data_obj;
73 	u64			mec_fw_data_gpu_addr;
74 
75 	u32 num_mec;
76 	u32 num_pipe_per_mec;
77 	u32 num_queue_per_pipe;
78 	void			*mqd_backup[AMDGPU_MAX_COMPUTE_RINGS + 1];
79 
80 	/* These are the resources for which amdgpu takes ownership */
81 	DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
82 };
83 
84 enum amdgpu_unmap_queues_action {
85 	PREEMPT_QUEUES = 0,
86 	RESET_QUEUES,
87 	DISABLE_PROCESS_QUEUES,
88 	PREEMPT_QUEUES_NO_UNMAP,
89 };
90 
91 struct kiq_pm4_funcs {
92 	/* Support ASIC-specific kiq pm4 packets*/
93 	void (*kiq_set_resources)(struct amdgpu_ring *kiq_ring,
94 					uint64_t queue_mask);
95 	void (*kiq_map_queues)(struct amdgpu_ring *kiq_ring,
96 					struct amdgpu_ring *ring);
97 	void (*kiq_unmap_queues)(struct amdgpu_ring *kiq_ring,
98 				 struct amdgpu_ring *ring,
99 				 enum amdgpu_unmap_queues_action action,
100 				 u64 gpu_addr, u64 seq);
101 	void (*kiq_query_status)(struct amdgpu_ring *kiq_ring,
102 					struct amdgpu_ring *ring,
103 					u64 addr,
104 					u64 seq);
105 	void (*kiq_invalidate_tlbs)(struct amdgpu_ring *kiq_ring,
106 				uint16_t pasid, uint32_t flush_type,
107 				bool all_hub);
108 	/* Packet sizes */
109 	int set_resources_size;
110 	int map_queues_size;
111 	int unmap_queues_size;
112 	int query_status_size;
113 	int invalidate_tlbs_size;
114 };
115 
116 struct amdgpu_kiq {
117 	u64			eop_gpu_addr;
118 	struct amdgpu_bo	*eop_obj;
119 	spinlock_t              ring_lock;
120 	struct amdgpu_ring	ring;
121 	struct amdgpu_irq_src	irq;
122 	const struct kiq_pm4_funcs *pmf;
123 };
124 
125 /*
126  * GFX configurations
127  */
128 #define AMDGPU_GFX_MAX_SE 4
129 #define AMDGPU_GFX_MAX_SH_PER_SE 2
130 
131 struct amdgpu_rb_config {
132 	uint32_t rb_backend_disable;
133 	uint32_t user_rb_backend_disable;
134 	uint32_t raster_config;
135 	uint32_t raster_config_1;
136 };
137 
138 struct gb_addr_config {
139 	uint16_t pipe_interleave_size;
140 	uint8_t num_pipes;
141 	uint8_t max_compress_frags;
142 	uint8_t num_banks;
143 	uint8_t num_se;
144 	uint8_t num_rb_per_se;
145 	uint8_t num_pkrs;
146 };
147 
148 struct amdgpu_gfx_config {
149 	unsigned max_shader_engines;
150 	unsigned max_tile_pipes;
151 	unsigned max_cu_per_sh;
152 	unsigned max_sh_per_se;
153 	unsigned max_backends_per_se;
154 	unsigned max_texture_channel_caches;
155 	unsigned max_gprs;
156 	unsigned max_gs_threads;
157 	unsigned max_hw_contexts;
158 	unsigned sc_prim_fifo_size_frontend;
159 	unsigned sc_prim_fifo_size_backend;
160 	unsigned sc_hiz_tile_fifo_size;
161 	unsigned sc_earlyz_tile_fifo_size;
162 
163 	unsigned num_tile_pipes;
164 	unsigned backend_enable_mask;
165 	unsigned mem_max_burst_length_bytes;
166 	unsigned mem_row_size_in_kb;
167 	unsigned shader_engine_tile_size;
168 	unsigned num_gpus;
169 	unsigned multi_gpu_tile_size;
170 	unsigned mc_arb_ramcfg;
171 	unsigned num_banks;
172 	unsigned num_ranks;
173 	unsigned gb_addr_config;
174 	unsigned num_rbs;
175 	unsigned gs_vgt_table_depth;
176 	unsigned gs_prim_buffer_depth;
177 
178 	uint32_t tile_mode_array[32];
179 	uint32_t macrotile_mode_array[16];
180 
181 	struct gb_addr_config gb_addr_config_fields;
182 	struct amdgpu_rb_config rb_config[AMDGPU_GFX_MAX_SE][AMDGPU_GFX_MAX_SH_PER_SE];
183 
184 	/* gfx configure feature */
185 	uint32_t double_offchip_lds_buf;
186 	/* cached value of DB_DEBUG2 */
187 	uint32_t db_debug2;
188 	/* gfx10 specific config */
189 	uint32_t num_sc_per_sh;
190 	uint32_t num_packer_per_sc;
191 	uint32_t pa_sc_tile_steering_override;
192 	/* Whether texture coordinate truncation is conformant. */
193 	bool ta_cntl2_truncate_coord_mode;
194 	uint64_t tcc_disabled_mask;
195 	uint32_t gc_num_tcp_per_sa;
196 	uint32_t gc_num_sdp_interface;
197 	uint32_t gc_num_tcps;
198 	uint32_t gc_num_tcp_per_wpg;
199 	uint32_t gc_tcp_l1_size;
200 	uint32_t gc_num_sqc_per_wgp;
201 	uint32_t gc_l1_instruction_cache_size_per_sqc;
202 	uint32_t gc_l1_data_cache_size_per_sqc;
203 	uint32_t gc_gl1c_per_sa;
204 	uint32_t gc_gl1c_size_per_instance;
205 	uint32_t gc_gl2c_per_gpu;
206 };
207 
208 struct amdgpu_cu_info {
209 	uint32_t simd_per_cu;
210 	uint32_t max_waves_per_simd;
211 	uint32_t wave_front_size;
212 	uint32_t max_scratch_slots_per_cu;
213 	uint32_t lds_size;
214 
215 	/* total active CU number */
216 	uint32_t number;
217 	uint32_t ao_cu_mask;
218 	uint32_t ao_cu_bitmap[4][4];
219 	uint32_t bitmap[4][4];
220 };
221 
222 struct amdgpu_gfx_ras {
223 	struct amdgpu_ras_block_object  ras_block;
224 	void (*enable_watchdog_timer)(struct amdgpu_device *adev);
225 	bool (*query_utcl2_poison_status)(struct amdgpu_device *adev);
226 	int (*rlc_gc_fed_irq)(struct amdgpu_device *adev,
227 				struct amdgpu_irq_src *source,
228 				struct amdgpu_iv_entry *entry);
229 	int (*poison_consumption_handler)(struct amdgpu_device *adev,
230 						struct amdgpu_iv_entry *entry);
231 };
232 
233 struct amdgpu_gfx_funcs {
234 	/* get the gpu clock counter */
235 	uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev);
236 	void (*select_se_sh)(struct amdgpu_device *adev, u32 se_num,
237 			     u32 sh_num, u32 instance);
238 	void (*read_wave_data)(struct amdgpu_device *adev, uint32_t simd,
239 			       uint32_t wave, uint32_t *dst, int *no_fields);
240 	void (*read_wave_vgprs)(struct amdgpu_device *adev, uint32_t simd,
241 				uint32_t wave, uint32_t thread, uint32_t start,
242 				uint32_t size, uint32_t *dst);
243 	void (*read_wave_sgprs)(struct amdgpu_device *adev, uint32_t simd,
244 				uint32_t wave, uint32_t start, uint32_t size,
245 				uint32_t *dst);
246 	void (*select_me_pipe_q)(struct amdgpu_device *adev, u32 me, u32 pipe,
247 				 u32 queue, u32 vmid);
248 	void (*init_spm_golden)(struct amdgpu_device *adev);
249 	void (*update_perfmon_mgcg)(struct amdgpu_device *adev, bool enable);
250 };
251 
252 struct sq_work {
253 	struct work_struct	work;
254 	unsigned ih_data;
255 };
256 
257 struct amdgpu_pfp {
258 	struct amdgpu_bo		*pfp_fw_obj;
259 	uint64_t			pfp_fw_gpu_addr;
260 	uint32_t			*pfp_fw_ptr;
261 
262 	struct amdgpu_bo		*pfp_fw_data_obj;
263 	uint64_t			pfp_fw_data_gpu_addr;
264 	uint32_t			*pfp_fw_data_ptr;
265 };
266 
267 struct amdgpu_ce {
268 	struct amdgpu_bo		*ce_fw_obj;
269 	uint64_t			ce_fw_gpu_addr;
270 	uint32_t			*ce_fw_ptr;
271 };
272 
273 struct amdgpu_me {
274 	struct amdgpu_bo		*me_fw_obj;
275 	uint64_t			me_fw_gpu_addr;
276 	uint32_t			*me_fw_ptr;
277 
278 	struct amdgpu_bo		*me_fw_data_obj;
279 	uint64_t			me_fw_data_gpu_addr;
280 	uint32_t			*me_fw_data_ptr;
281 
282 	uint32_t			num_me;
283 	uint32_t			num_pipe_per_me;
284 	uint32_t			num_queue_per_pipe;
285 	void				*mqd_backup[AMDGPU_MAX_GFX_RINGS];
286 
287 	/* These are the resources for which amdgpu takes ownership */
288 	DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_GFX_QUEUES);
289 };
290 
291 struct amdgpu_gfx {
292 	struct mutex			gpu_clock_mutex;
293 	struct amdgpu_gfx_config	config;
294 	struct amdgpu_rlc		rlc;
295 	struct amdgpu_pfp		pfp;
296 	struct amdgpu_ce		ce;
297 	struct amdgpu_me		me;
298 	struct amdgpu_mec		mec;
299 	struct amdgpu_kiq		kiq;
300 	struct amdgpu_imu		imu;
301 	bool				rs64_enable; /* firmware format */
302 	const struct firmware		*me_fw;	/* ME firmware */
303 	uint32_t			me_fw_version;
304 	const struct firmware		*pfp_fw; /* PFP firmware */
305 	uint32_t			pfp_fw_version;
306 	const struct firmware		*ce_fw;	/* CE firmware */
307 	uint32_t			ce_fw_version;
308 	const struct firmware		*rlc_fw; /* RLC firmware */
309 	uint32_t			rlc_fw_version;
310 	const struct firmware		*mec_fw; /* MEC firmware */
311 	uint32_t			mec_fw_version;
312 	const struct firmware		*mec2_fw; /* MEC2 firmware */
313 	uint32_t			mec2_fw_version;
314 	const struct firmware		*imu_fw; /* IMU firmware */
315 	uint32_t			imu_fw_version;
316 	uint32_t			me_feature_version;
317 	uint32_t			ce_feature_version;
318 	uint32_t			pfp_feature_version;
319 	uint32_t			rlc_feature_version;
320 	uint32_t			rlc_srlc_fw_version;
321 	uint32_t			rlc_srlc_feature_version;
322 	uint32_t			rlc_srlg_fw_version;
323 	uint32_t			rlc_srlg_feature_version;
324 	uint32_t			rlc_srls_fw_version;
325 	uint32_t			rlc_srls_feature_version;
326 	uint32_t			rlcp_ucode_version;
327 	uint32_t			rlcp_ucode_feature_version;
328 	uint32_t			rlcv_ucode_version;
329 	uint32_t			rlcv_ucode_feature_version;
330 	uint32_t			mec_feature_version;
331 	uint32_t			mec2_feature_version;
332 	bool				mec_fw_write_wait;
333 	bool				me_fw_write_wait;
334 	bool				cp_fw_write_wait;
335 	struct amdgpu_ring		gfx_ring[AMDGPU_MAX_GFX_RINGS];
336 	unsigned			num_gfx_rings;
337 	struct amdgpu_ring		compute_ring[AMDGPU_MAX_COMPUTE_RINGS * AMDGPU_MAX_GC_INSTANCES];
338 	unsigned			num_compute_rings;
339 	struct amdgpu_irq_src		eop_irq;
340 	struct amdgpu_irq_src		priv_reg_irq;
341 	struct amdgpu_irq_src		priv_inst_irq;
342 	struct amdgpu_irq_src		cp_ecc_error_irq;
343 	struct amdgpu_irq_src		sq_irq;
344 	struct amdgpu_irq_src		rlc_gc_fed_irq;
345 	struct sq_work			sq_work;
346 
347 	/* gfx status */
348 	uint32_t			gfx_current_status;
349 	/* ce ram size*/
350 	unsigned			ce_ram_size;
351 	struct amdgpu_cu_info		cu_info;
352 	const struct amdgpu_gfx_funcs	*funcs;
353 
354 	/* reset mask */
355 	uint32_t                        grbm_soft_reset;
356 	uint32_t                        srbm_soft_reset;
357 
358 	/* gfx off */
359 	bool                            gfx_off_state;      /* true: enabled, false: disabled */
360 	struct mutex                    gfx_off_mutex;      /* mutex to change gfxoff state */
361 	uint32_t                        gfx_off_req_count;  /* default 1, enable gfx off: dec 1, disable gfx off: add 1 */
362 	struct delayed_work             gfx_off_delay_work; /* async work to set gfx block off */
363 	uint32_t                        gfx_off_residency;  /* last logged residency */
364 	uint64_t                        gfx_off_entrycount; /* count of times GPU has get into GFXOFF state */
365 
366 	/* pipe reservation */
367 	struct mutex			pipe_reserve_mutex;
368 	DECLARE_BITMAP			(pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
369 
370 	/*ras */
371 	struct ras_common_if		*ras_if;
372 	struct amdgpu_gfx_ras		*ras;
373 
374 	bool				is_poweron;
375 
376 	struct amdgpu_ring		sw_gfx_ring[AMDGPU_MAX_SW_GFX_RINGS];
377 	struct amdgpu_ring_mux          muxer;
378 
379 	enum amdgpu_gfx_partition	partition_mode;
380 	uint32_t			num_xcd;
381 	uint32_t			num_xcc_per_xcp;
382 };
383 
384 #define amdgpu_gfx_get_gpu_clock_counter(adev) (adev)->gfx.funcs->get_gpu_clock_counter((adev))
385 #define amdgpu_gfx_select_se_sh(adev, se, sh, instance) (adev)->gfx.funcs->select_se_sh((adev), (se), (sh), (instance))
386 #define amdgpu_gfx_select_me_pipe_q(adev, me, pipe, q, vmid) (adev)->gfx.funcs->select_me_pipe_q((adev), (me), (pipe), (q), (vmid))
387 #define amdgpu_gfx_init_spm_golden(adev) (adev)->gfx.funcs->init_spm_golden((adev))
388 
389 /**
390  * amdgpu_gfx_create_bitmask - create a bitmask
391  *
392  * @bit_width: length of the mask
393  *
394  * create a variable length bit mask.
395  * Returns the bitmask.
396  */
397 static inline u32 amdgpu_gfx_create_bitmask(u32 bit_width)
398 {
399 	return (u32)((1ULL << bit_width) - 1);
400 }
401 
402 void amdgpu_gfx_parse_disable_cu(unsigned *mask, unsigned max_se,
403 				 unsigned max_sh);
404 
405 int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev,
406 			     struct amdgpu_ring *ring,
407 			     struct amdgpu_irq_src *irq);
408 
409 void amdgpu_gfx_kiq_free_ring(struct amdgpu_ring *ring);
410 
411 void amdgpu_gfx_kiq_fini(struct amdgpu_device *adev);
412 int amdgpu_gfx_kiq_init(struct amdgpu_device *adev,
413 			unsigned hpd_size);
414 
415 int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
416 			   unsigned mqd_size);
417 void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev);
418 int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev);
419 int amdgpu_gfx_enable_kcq(struct amdgpu_device *adev);
420 
421 void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev);
422 void amdgpu_gfx_graphics_queue_acquire(struct amdgpu_device *adev);
423 
424 int amdgpu_gfx_mec_queue_to_bit(struct amdgpu_device *adev, int mec,
425 				int pipe, int queue);
426 void amdgpu_queue_mask_bit_to_mec_queue(struct amdgpu_device *adev, int bit,
427 				 int *mec, int *pipe, int *queue);
428 bool amdgpu_gfx_is_mec_queue_enabled(struct amdgpu_device *adev, int mec,
429 				     int pipe, int queue);
430 bool amdgpu_gfx_is_high_priority_compute_queue(struct amdgpu_device *adev,
431 					       struct amdgpu_ring *ring);
432 bool amdgpu_gfx_is_high_priority_graphics_queue(struct amdgpu_device *adev,
433 						struct amdgpu_ring *ring);
434 int amdgpu_gfx_me_queue_to_bit(struct amdgpu_device *adev, int me,
435 			       int pipe, int queue);
436 void amdgpu_gfx_bit_to_me_queue(struct amdgpu_device *adev, int bit,
437 				int *me, int *pipe, int *queue);
438 bool amdgpu_gfx_is_me_queue_enabled(struct amdgpu_device *adev, int me,
439 				    int pipe, int queue);
440 void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable);
441 int amdgpu_get_gfx_off_status(struct amdgpu_device *adev, uint32_t *value);
442 int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block);
443 void amdgpu_gfx_ras_fini(struct amdgpu_device *adev);
444 int amdgpu_get_gfx_off_entrycount(struct amdgpu_device *adev, u64 *value);
445 int amdgpu_get_gfx_off_residency(struct amdgpu_device *adev, u32 *residency);
446 int amdgpu_set_gfx_off_residency(struct amdgpu_device *adev, bool value);
447 int amdgpu_gfx_process_ras_data_cb(struct amdgpu_device *adev,
448 		void *err_data,
449 		struct amdgpu_iv_entry *entry);
450 int amdgpu_gfx_cp_ecc_error_irq(struct amdgpu_device *adev,
451 				  struct amdgpu_irq_src *source,
452 				  struct amdgpu_iv_entry *entry);
453 uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg);
454 void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v);
455 int amdgpu_gfx_get_num_kcq(struct amdgpu_device *adev);
456 void amdgpu_gfx_cp_init_microcode(struct amdgpu_device *adev, uint32_t ucode_id);
457 
458 int amdgpu_gfx_ras_sw_init(struct amdgpu_device *adev);
459 int amdgpu_gfx_poison_consumption_handler(struct amdgpu_device *adev,
460 						struct amdgpu_iv_entry *entry);
461 #endif
462