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