1/*
2 * Copyright 2019 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 __MES_API_DEF_H__
25#define __MES_API_DEF_H__
26
27#pragma pack(push, 4)
28
29#define MES_API_VERSION 1
30
31/* Driver submits one API(cmd) as a single Frame and this command size is same
32 * for all API to ease the debugging and parsing of ring buffer.
33 */
34enum { API_FRAME_SIZE_IN_DWORDS = 64 };
35
36/* To avoid command in scheduler context to be overwritten whenever multiple
37 * interrupts come in, this creates another queue.
38 */
39enum { API_NUMBER_OF_COMMAND_MAX = 32 };
40
41enum MES_API_TYPE {
42	MES_API_TYPE_SCHEDULER = 1,
43	MES_API_TYPE_MAX
44};
45
46enum MES_SCH_API_OPCODE {
47	MES_SCH_API_SET_HW_RSRC			= 0,
48	MES_SCH_API_SET_SCHEDULING_CONFIG	= 1, /* agreegated db, quantums, etc */
49	MES_SCH_API_ADD_QUEUE			= 2,
50	MES_SCH_API_REMOVE_QUEUE		= 3,
51	MES_SCH_API_PERFORM_YIELD		= 4,
52	MES_SCH_API_SET_GANG_PRIORITY_LEVEL	= 5,
53	MES_SCH_API_SUSPEND			= 6,
54	MES_SCH_API_RESUME			= 7,
55	MES_SCH_API_RESET			= 8,
56	MES_SCH_API_SET_LOG_BUFFER		= 9,
57	MES_SCH_API_CHANGE_GANG_PRORITY		= 10,
58	MES_SCH_API_QUERY_SCHEDULER_STATUS	= 11,
59	MES_SCH_API_PROGRAM_GDS			= 12,
60	MES_SCH_API_SET_DEBUG_VMID		= 13,
61	MES_SCH_API_MISC			= 14,
62	MES_SCH_API_UPDATE_ROOT_PAGE_TABLE      = 15,
63	MES_SCH_API_AMD_LOG                     = 16,
64	MES_SCH_API_MAX				= 0xFF
65};
66
67union MES_API_HEADER {
68	struct {
69		uint32_t type		: 4; /* 0 - Invalid; 1 - Scheduling; 2 - TBD */
70		uint32_t opcode		: 8;
71		uint32_t dwsize		: 8; /* including header */
72		uint32_t reserved	: 12;
73	};
74
75	uint32_t	u32All;
76};
77
78enum MES_AMD_PRIORITY_LEVEL {
79	AMD_PRIORITY_LEVEL_LOW		= 0,
80	AMD_PRIORITY_LEVEL_NORMAL	= 1,
81	AMD_PRIORITY_LEVEL_MEDIUM	= 2,
82	AMD_PRIORITY_LEVEL_HIGH		= 3,
83	AMD_PRIORITY_LEVEL_REALTIME	= 4,
84	AMD_PRIORITY_NUM_LEVELS
85};
86
87enum MES_QUEUE_TYPE {
88	MES_QUEUE_TYPE_GFX,
89	MES_QUEUE_TYPE_COMPUTE,
90	MES_QUEUE_TYPE_SDMA,
91	MES_QUEUE_TYPE_MAX,
92};
93
94struct MES_API_STATUS {
95	uint64_t	api_completion_fence_addr;
96	uint64_t	api_completion_fence_value;
97};
98
99enum { MAX_COMPUTE_PIPES = 8 };
100enum { MAX_GFX_PIPES = 2 };
101enum { MAX_SDMA_PIPES = 2 };
102
103enum { MAX_COMPUTE_HQD_PER_PIPE = 8 };
104enum { MAX_GFX_HQD_PER_PIPE = 8 };
105enum { MAX_SDMA_HQD_PER_PIPE = 10 };
106
107enum { MAX_QUEUES_IN_A_GANG = 8 };
108
109enum VM_HUB_TYPE {
110	VM_HUB_TYPE_GC = 0,
111	VM_HUB_TYPE_MM = 1,
112	VM_HUB_TYPE_MAX,
113};
114
115enum { VMID_INVALID = 0xffff };
116
117enum { MAX_VMID_GCHUB = 16 };
118enum { MAX_VMID_MMHUB = 16 };
119
120enum MES_LOG_OPERATION {
121	MES_LOG_OPERATION_CONTEXT_STATE_CHANGE = 0,
122	MES_LOG_OPERATION_QUEUE_NEW_WORK = 1,
123	MES_LOG_OPERATION_QUEUE_UNWAIT_SYNC_OBJECT = 2,
124	MES_LOG_OPERATION_QUEUE_NO_MORE_WORK = 3,
125	MES_LOG_OPERATION_QUEUE_WAIT_SYNC_OBJECT = 4,
126	MES_LOG_OPERATION_QUEUE_INVALID = 0xF,
127};
128
129enum MES_LOG_CONTEXT_STATE {
130	MES_LOG_CONTEXT_STATE_IDLE		= 0,
131	MES_LOG_CONTEXT_STATE_RUNNING		= 1,
132	MES_LOG_CONTEXT_STATE_READY		= 2,
133	MES_LOG_CONTEXT_STATE_READY_STANDBY	= 3,
134	MES_LOG_CONTEXT_STATE_INVALID           = 0xF,
135};
136
137struct MES_LOG_CONTEXT_STATE_CHANGE {
138	void				*h_context;
139	enum MES_LOG_CONTEXT_STATE	new_context_state;
140};
141
142struct MES_LOG_QUEUE_NEW_WORK {
143	uint64_t                   h_queue;
144	uint64_t                   reserved;
145};
146
147struct MES_LOG_QUEUE_UNWAIT_SYNC_OBJECT {
148	uint64_t                   h_queue;
149	uint64_t                   h_sync_object;
150};
151
152struct MES_LOG_QUEUE_NO_MORE_WORK {
153	uint64_t                   h_queue;
154	uint64_t                   reserved;
155};
156
157struct MES_LOG_QUEUE_WAIT_SYNC_OBJECT {
158	uint64_t                   h_queue;
159	uint64_t                   h_sync_object;
160};
161
162struct MES_LOG_ENTRY_HEADER {
163	uint32_t	first_free_entry_index;
164	uint32_t	wraparound_count;
165	uint64_t	number_of_entries;
166	uint64_t	reserved[2];
167};
168
169struct MES_LOG_ENTRY_DATA {
170	uint64_t	gpu_time_stamp;
171	uint32_t	operation_type; /* operation_type is of MES_LOG_OPERATION type */
172	uint32_t	reserved_operation_type_bits;
173	union {
174		struct MES_LOG_CONTEXT_STATE_CHANGE     context_state_change;
175		struct MES_LOG_QUEUE_NEW_WORK           queue_new_work;
176		struct MES_LOG_QUEUE_UNWAIT_SYNC_OBJECT queue_unwait_sync_object;
177		struct MES_LOG_QUEUE_NO_MORE_WORK       queue_no_more_work;
178		struct MES_LOG_QUEUE_WAIT_SYNC_OBJECT   queue_wait_sync_object;
179		uint64_t                                all[2];
180	};
181};
182
183struct MES_LOG_BUFFER {
184	struct MES_LOG_ENTRY_HEADER	header;
185	struct MES_LOG_ENTRY_DATA	entries[1];
186};
187
188enum MES_SWIP_TO_HWIP_DEF {
189	MES_MAX_HWIP_SEGMENT = 6,
190};
191
192union MESAPI_SET_HW_RESOURCES {
193	struct {
194		union MES_API_HEADER	header;
195		uint32_t		vmid_mask_mmhub;
196		uint32_t		vmid_mask_gfxhub;
197		uint32_t		gds_size;
198		uint32_t		paging_vmid;
199		uint32_t		compute_hqd_mask[MAX_COMPUTE_PIPES];
200		uint32_t		gfx_hqd_mask[MAX_GFX_PIPES];
201		uint32_t		sdma_hqd_mask[MAX_SDMA_PIPES];
202		uint32_t		aggregated_doorbells[AMD_PRIORITY_NUM_LEVELS];
203		uint64_t		g_sch_ctx_gpu_mc_ptr;
204		uint64_t		query_status_fence_gpu_mc_ptr;
205		uint32_t		gc_base[MES_MAX_HWIP_SEGMENT];
206		uint32_t		mmhub_base[MES_MAX_HWIP_SEGMENT];
207		uint32_t		osssys_base[MES_MAX_HWIP_SEGMENT];
208		struct MES_API_STATUS	api_status;
209		union {
210			struct {
211				uint32_t disable_reset	: 1;
212				uint32_t use_different_vmid_compute : 1;
213				uint32_t disable_mes_log   : 1;
214				uint32_t apply_mmhub_pgvm_invalidate_ack_loss_wa : 1;
215				uint32_t apply_grbm_remote_register_dummy_read_wa : 1;
216				uint32_t second_gfx_pipe_enabled : 1;
217				uint32_t enable_level_process_quantum_check : 1;
218				uint32_t apply_cwsr_program_all_vmid_sq_shader_tba_registers_wa : 1;
219				uint32_t enable_mqd_active_poll : 1;
220				uint32_t disable_timer_int : 1;
221				uint32_t reserved	: 22;
222			};
223			uint32_t	uint32_t_all;
224		};
225	};
226
227	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
228};
229
230union MESAPI__ADD_QUEUE {
231	struct {
232		union MES_API_HEADER		header;
233		uint32_t			process_id;
234		uint64_t			page_table_base_addr;
235		uint64_t			process_va_start;
236		uint64_t			process_va_end;
237		uint64_t			process_quantum;
238		uint64_t			process_context_addr;
239		uint64_t			gang_quantum;
240		uint64_t			gang_context_addr;
241		uint32_t			inprocess_gang_priority;
242		enum MES_AMD_PRIORITY_LEVEL	gang_global_priority_level;
243		uint32_t			doorbell_offset;
244		uint64_t			mqd_addr;
245		uint64_t			wptr_addr;
246		uint64_t                        h_context;
247		uint64_t                        h_queue;
248		enum MES_QUEUE_TYPE		queue_type;
249		uint32_t			gds_base;
250		uint32_t			gds_size;
251		uint32_t			gws_base;
252		uint32_t			gws_size;
253		uint32_t			oa_mask;
254		uint64_t                        trap_handler_addr;
255		uint32_t                        vm_context_cntl;
256
257		struct {
258			uint32_t paging			: 1;
259			uint32_t debug_vmid		: 4;
260			uint32_t program_gds		: 1;
261			uint32_t is_gang_suspended	: 1;
262			uint32_t is_tmz_queue		: 1;
263			uint32_t map_kiq_utility_queue  : 1;
264			uint32_t reserved		: 23;
265		};
266		struct MES_API_STATUS		api_status;
267	};
268
269	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
270};
271
272union MESAPI__REMOVE_QUEUE {
273	struct {
274		union MES_API_HEADER	header;
275		uint32_t		doorbell_offset;
276		uint64_t		gang_context_addr;
277
278		struct {
279			uint32_t unmap_legacy_gfx_queue   : 1;
280			uint32_t unmap_kiq_utility_queue  : 1;
281			uint32_t preempt_legacy_gfx_queue : 1;
282			uint32_t reserved                 : 29;
283		};
284		struct MES_API_STATUS	    api_status;
285
286		uint32_t                    pipe_id;
287		uint32_t                    queue_id;
288
289		uint64_t                    tf_addr;
290		uint32_t                    tf_data;
291	};
292
293	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
294};
295
296union MESAPI__SET_SCHEDULING_CONFIG {
297	struct {
298		union MES_API_HEADER	header;
299		/* Grace period when preempting another priority band for this
300		 * priority band. The value for idle priority band is ignored,
301		 * as it never preempts other bands.
302		 */
303		uint64_t		grace_period_other_levels[AMD_PRIORITY_NUM_LEVELS];
304		/* Default quantum for scheduling across processes within
305		 * a priority band.
306		 */
307		uint64_t		process_quantum_for_level[AMD_PRIORITY_NUM_LEVELS];
308		/* Default grace period for processes that preempt each other
309		 * within a priority band.
310		 */
311		uint64_t		process_grace_period_same_level[AMD_PRIORITY_NUM_LEVELS];
312		/* For normal level this field specifies the target GPU
313		 * percentage in situations when it's starved by the high level.
314		 * Valid values are between 0 and 50, with the default being 10.
315		 */
316		uint32_t		normal_yield_percent;
317		struct MES_API_STATUS	api_status;
318	};
319
320	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
321};
322
323union MESAPI__PERFORM_YIELD {
324	struct {
325		union MES_API_HEADER	header;
326		uint32_t		dummy;
327		struct MES_API_STATUS	api_status;
328	};
329
330	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
331};
332
333union MESAPI__CHANGE_GANG_PRIORITY_LEVEL {
334	struct {
335		union MES_API_HEADER		header;
336		uint32_t			inprocess_gang_priority;
337		enum MES_AMD_PRIORITY_LEVEL	gang_global_priority_level;
338		uint64_t			gang_quantum;
339		uint64_t			gang_context_addr;
340		struct MES_API_STATUS		api_status;
341	};
342
343	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
344};
345
346union MESAPI__SUSPEND {
347	struct {
348		union MES_API_HEADER	header;
349		/* false - suspend all gangs; true - specific gang */
350		struct {
351			uint32_t suspend_all_gangs	: 1;
352			uint32_t reserved		: 31;
353		};
354		/* gang_context_addr is valid only if suspend_all = false */
355		uint64_t		gang_context_addr;
356
357		uint64_t		suspend_fence_addr;
358		uint32_t		suspend_fence_value;
359
360		struct MES_API_STATUS	api_status;
361	};
362
363	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
364};
365
366union MESAPI__RESUME {
367	struct {
368		union MES_API_HEADER	header;
369		/* false - resume all gangs; true - specified gang */
370		struct {
371			uint32_t resume_all_gangs	: 1;
372			uint32_t reserved		: 31;
373		};
374		/* valid only if resume_all_gangs = false */
375		uint64_t		gang_context_addr;
376
377		struct MES_API_STATUS	api_status;
378	};
379
380	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
381};
382
383union MESAPI__RESET {
384	struct {
385		union MES_API_HEADER		header;
386
387		struct {
388			/* Only reset the queue given by doorbell_offset (not entire gang) */
389			uint32_t                reset_queue_only : 1;
390			/* Hang detection first then reset any queues that are hung */
391			uint32_t                hang_detect_then_reset : 1;
392			/* Only do hang detection (no reset) */
393			uint32_t                hang_detect_only : 1;
394			/* Rest HP and LP kernel queues not managed by MES */
395			uint32_t                reset_legacy_gfx : 1;
396			uint32_t                reserved : 28;
397		};
398
399		uint64_t			gang_context_addr;
400
401		/* valid only if reset_queue_only = true */
402		uint32_t			doorbell_offset;
403
404		/* valid only if hang_detect_then_reset = true */
405		uint64_t			doorbell_offset_addr;
406		enum MES_QUEUE_TYPE		queue_type;
407
408		/* valid only if reset_legacy_gfx = true */
409		uint32_t			pipe_id_lp;
410		uint32_t			queue_id_lp;
411		uint32_t			vmid_id_lp;
412		uint64_t			mqd_mc_addr_lp;
413		uint32_t			doorbell_offset_lp;
414		uint64_t			wptr_addr_lp;
415
416		uint32_t			pipe_id_hp;
417		uint32_t			queue_id_hp;
418		uint32_t			vmid_id_hp;
419		uint64_t			mqd_mc_addr_hp;
420		uint32_t			doorbell_offset_hp;
421		uint64_t			wptr_addr_hp;
422
423		struct MES_API_STATUS		api_status;
424	};
425
426	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
427};
428
429union MESAPI__SET_LOGGING_BUFFER {
430	struct {
431		union MES_API_HEADER	header;
432		/* There are separate log buffers for each queue type */
433		enum MES_QUEUE_TYPE	log_type;
434		/* Log buffer GPU Address */
435		uint64_t		logging_buffer_addr;
436		/* number of entries in the log buffer */
437		uint32_t		number_of_entries;
438		/* Entry index at which CPU interrupt needs to be signalled */
439		uint32_t		interrupt_entry;
440
441		struct MES_API_STATUS	api_status;
442	};
443
444	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
445};
446
447union MESAPI__QUERY_MES_STATUS {
448	struct {
449		union MES_API_HEADER	header;
450		bool			mes_healthy; /* 0 - not healthy, 1 - healthy */
451		struct MES_API_STATUS	api_status;
452	};
453
454	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
455};
456
457union MESAPI__PROGRAM_GDS {
458	struct {
459		union MES_API_HEADER	header;
460		uint64_t		process_context_addr;
461		uint32_t		gds_base;
462		uint32_t		gds_size;
463		uint32_t		gws_base;
464		uint32_t		gws_size;
465		uint32_t		oa_mask;
466		struct MES_API_STATUS	api_status;
467	};
468
469	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
470};
471
472union MESAPI__SET_DEBUG_VMID {
473	struct {
474		union MES_API_HEADER	header;
475		struct MES_API_STATUS	api_status;
476		union {
477			struct {
478				uint32_t use_gds	: 1;
479				uint32_t reserved	: 31;
480			} flags;
481			uint32_t	u32All;
482		};
483		uint32_t		reserved;
484		uint32_t		debug_vmid;
485		uint64_t		process_context_addr;
486		uint64_t		page_table_base_addr;
487		uint64_t		process_va_start;
488		uint64_t		process_va_end;
489		uint32_t		gds_base;
490		uint32_t		gds_size;
491		uint32_t		gws_base;
492		uint32_t		gws_size;
493		uint32_t		oa_mask;
494	};
495
496	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
497};
498
499enum MESAPI_MISC_OPCODE {
500	MESAPI_MISC__MODIFY_REG,
501	MESAPI_MISC__INV_GART,
502	MESAPI_MISC__QUERY_STATUS,
503	MESAPI_MISC__MAX,
504};
505
506enum MODIFY_REG_SUBCODE {
507	MODIFY_REG__OVERWRITE,
508	MODIFY_REG__RMW_OR,
509	MODIFY_REG__RMW_AND,
510	MODIFY_REG__MAX,
511};
512
513enum { MISC_DATA_MAX_SIZE_IN_DWORDS = 20 };
514
515struct MODIFY_REG {
516	enum MODIFY_REG_SUBCODE   subcode;
517	uint32_t                  reg_offset;
518	uint32_t                  reg_value;
519};
520
521struct INV_GART {
522	uint64_t                  inv_range_va_start;
523	uint64_t                  inv_range_size;
524};
525
526struct QUERY_STATUS {
527	uint32_t context_id;
528};
529
530union MESAPI__MISC {
531	struct {
532		union MES_API_HEADER	header;
533		enum MESAPI_MISC_OPCODE	opcode;
534		struct MES_API_STATUS	api_status;
535
536		union {
537			struct		MODIFY_REG modify_reg;
538			struct		INV_GART inv_gart;
539			struct		QUERY_STATUS query_status;
540			uint32_t	data[MISC_DATA_MAX_SIZE_IN_DWORDS];
541		};
542	};
543
544	uint32_t	max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
545};
546
547union MESAPI__UPDATE_ROOT_PAGE_TABLE {
548	struct {
549		union MES_API_HEADER        header;
550		uint64_t                    page_table_base_addr;
551		uint64_t                    process_context_addr;
552		struct MES_API_STATUS       api_status;
553	};
554
555	uint32_t max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
556};
557
558union MESAPI_AMD_LOG {
559	struct {
560		union MES_API_HEADER        header;
561		uint64_t                    p_buffer_memory;
562		uint64_t                    p_buffer_size_used;
563		struct MES_API_STATUS       api_status;
564	};
565
566	uint32_t max_dwords_in_api[API_FRAME_SIZE_IN_DWORDS];
567};
568
569#pragma pack(pop)
570#endif
571