1 // SPDX-License-Identifier: GPL-2.0 OR MIT
2 /*
3  * Copyright 2016-2022 Advanced Micro Devices, Inc.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21  * OTHER DEALINGS IN THE SOFTWARE.
22  *
23  */
24 
25 #include "kfd_kernel_queue.h"
26 #include "kfd_device_queue_manager.h"
27 #include "kfd_pm4_headers_ai.h"
28 #include "kfd_pm4_headers_aldebaran.h"
29 #include "kfd_pm4_opcodes.h"
30 #include "gc/gc_10_1_0_sh_mask.h"
31 
32 static int pm_map_process_v9(struct packet_manager *pm,
33 		uint32_t *buffer, struct qcm_process_device *qpd)
34 {
35 	struct pm4_mes_map_process *packet;
36 	uint64_t vm_page_table_base_addr = qpd->page_table_base;
37 	struct kfd_node *kfd = pm->dqm->dev;
38 	struct kfd_process_device *pdd =
39 			container_of(qpd, struct kfd_process_device, qpd);
40 
41 	packet = (struct pm4_mes_map_process *)buffer;
42 	memset(buffer, 0, sizeof(struct pm4_mes_map_process));
43 	packet->header.u32All = pm_build_pm4_header(IT_MAP_PROCESS,
44 					sizeof(struct pm4_mes_map_process));
45 	packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0;
46 	packet->bitfields2.process_quantum = 10;
47 	packet->bitfields2.pasid = qpd->pqm->process->pasid;
48 	packet->bitfields14.gds_size = qpd->gds_size & 0x3F;
49 	packet->bitfields14.gds_size_hi = (qpd->gds_size >> 6) & 0xF;
50 	packet->bitfields14.num_gws = (qpd->mapped_gws_queue) ? qpd->num_gws : 0;
51 	packet->bitfields14.num_oac = qpd->num_oac;
52 	packet->bitfields14.sdma_enable = 1;
53 	packet->bitfields14.num_queues = (qpd->is_debug) ? 0 : qpd->queue_count;
54 
55 	if (kfd->dqm->trap_debug_vmid && pdd->process->debug_trap_enabled &&
56 			pdd->process->runtime_info.runtime_state == DEBUG_RUNTIME_STATE_ENABLED) {
57 		packet->bitfields2.debug_vmid = kfd->dqm->trap_debug_vmid;
58 		packet->bitfields2.new_debug = 1;
59 	}
60 
61 	packet->sh_mem_config = qpd->sh_mem_config;
62 	packet->sh_mem_bases = qpd->sh_mem_bases;
63 	if (qpd->tba_addr) {
64 		packet->sq_shader_tba_lo = lower_32_bits(qpd->tba_addr >> 8);
65 		/* On GFX9, unlike GFX10, bit TRAP_EN of SQ_SHADER_TBA_HI is
66 		 * not defined, so setting it won't do any harm.
67 		 */
68 		packet->sq_shader_tba_hi = upper_32_bits(qpd->tba_addr >> 8)
69 				| 1 << SQ_SHADER_TBA_HI__TRAP_EN__SHIFT;
70 
71 		packet->sq_shader_tma_lo = lower_32_bits(qpd->tma_addr >> 8);
72 		packet->sq_shader_tma_hi = upper_32_bits(qpd->tma_addr >> 8);
73 	}
74 
75 	packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area);
76 	packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area);
77 
78 	packet->vm_context_page_table_base_addr_lo32 =
79 			lower_32_bits(vm_page_table_base_addr);
80 	packet->vm_context_page_table_base_addr_hi32 =
81 			upper_32_bits(vm_page_table_base_addr);
82 
83 	return 0;
84 }
85 
86 static int pm_map_process_aldebaran(struct packet_manager *pm,
87 		uint32_t *buffer, struct qcm_process_device *qpd)
88 {
89 	struct pm4_mes_map_process_aldebaran *packet;
90 	uint64_t vm_page_table_base_addr = qpd->page_table_base;
91 	struct kfd_dev *kfd = pm->dqm->dev->kfd;
92 	struct kfd_process_device *pdd =
93 			container_of(qpd, struct kfd_process_device, qpd);
94 	int i;
95 
96 	packet = (struct pm4_mes_map_process_aldebaran *)buffer;
97 	memset(buffer, 0, sizeof(struct pm4_mes_map_process_aldebaran));
98 	packet->header.u32All = pm_build_pm4_header(IT_MAP_PROCESS,
99 			sizeof(struct pm4_mes_map_process_aldebaran));
100 	packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0;
101 	packet->bitfields2.process_quantum = 10;
102 	packet->bitfields2.pasid = qpd->pqm->process->pasid;
103 	packet->bitfields14.gds_size = qpd->gds_size & 0x3F;
104 	packet->bitfields14.gds_size_hi = (qpd->gds_size >> 6) & 0xF;
105 	packet->bitfields14.num_gws = (qpd->mapped_gws_queue) ? qpd->num_gws : 0;
106 	packet->bitfields14.num_oac = qpd->num_oac;
107 	packet->bitfields14.sdma_enable = 1;
108 	packet->bitfields14.num_queues = (qpd->is_debug) ? 0 : qpd->queue_count;
109 	packet->spi_gdbg_per_vmid_cntl = pdd->spi_dbg_override |
110 						pdd->spi_dbg_launch_mode;
111 
112 	if (pdd->process->debug_trap_enabled) {
113 		for (i = 0; i < kfd->device_info.num_of_watch_points; i++)
114 			packet->tcp_watch_cntl[i] = pdd->watch_points[i];
115 
116 		packet->bitfields2.single_memops =
117 				!!(pdd->process->dbg_flags & KFD_DBG_TRAP_FLAG_SINGLE_MEM_OP);
118 	}
119 
120 	packet->sh_mem_config = qpd->sh_mem_config;
121 	packet->sh_mem_bases = qpd->sh_mem_bases;
122 	if (qpd->tba_addr) {
123 		packet->sq_shader_tba_lo = lower_32_bits(qpd->tba_addr >> 8);
124 		packet->sq_shader_tma_lo = lower_32_bits(qpd->tma_addr >> 8);
125 		packet->sq_shader_tma_hi = upper_32_bits(qpd->tma_addr >> 8);
126 	}
127 
128 	packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area);
129 	packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area);
130 
131 	packet->vm_context_page_table_base_addr_lo32 =
132 			lower_32_bits(vm_page_table_base_addr);
133 	packet->vm_context_page_table_base_addr_hi32 =
134 			upper_32_bits(vm_page_table_base_addr);
135 
136 	return 0;
137 }
138 
139 static int pm_runlist_v9(struct packet_manager *pm, uint32_t *buffer,
140 			uint64_t ib, size_t ib_size_in_dwords, bool chain)
141 {
142 	struct pm4_mes_runlist *packet;
143 
144 	int concurrent_proc_cnt = 0;
145 	struct kfd_node *kfd = pm->dqm->dev;
146 
147 	/* Determine the number of processes to map together to HW:
148 	 * it can not exceed the number of VMIDs available to the
149 	 * scheduler, and it is determined by the smaller of the number
150 	 * of processes in the runlist and kfd module parameter
151 	 * hws_max_conc_proc.
152 	 * Note: the arbitration between the number of VMIDs and
153 	 * hws_max_conc_proc has been done in
154 	 * kgd2kfd_device_init().
155 	 */
156 	concurrent_proc_cnt = min(pm->dqm->processes_count,
157 			kfd->max_proc_per_quantum);
158 
159 	packet = (struct pm4_mes_runlist *)buffer;
160 
161 	memset(buffer, 0, sizeof(struct pm4_mes_runlist));
162 	packet->header.u32All = pm_build_pm4_header(IT_RUN_LIST,
163 						sizeof(struct pm4_mes_runlist));
164 
165 	packet->bitfields4.ib_size = ib_size_in_dwords;
166 	packet->bitfields4.chain = chain ? 1 : 0;
167 	packet->bitfields4.offload_polling = 0;
168 	packet->bitfields4.chained_runlist_idle_disable = chain ? 1 : 0;
169 	packet->bitfields4.valid = 1;
170 	packet->bitfields4.process_cnt = concurrent_proc_cnt;
171 	packet->ordinal2 = lower_32_bits(ib);
172 	packet->ib_base_hi = upper_32_bits(ib);
173 
174 	return 0;
175 }
176 
177 static int pm_set_resources_v9(struct packet_manager *pm, uint32_t *buffer,
178 				struct scheduling_resources *res)
179 {
180 	struct pm4_mes_set_resources *packet;
181 
182 	packet = (struct pm4_mes_set_resources *)buffer;
183 	memset(buffer, 0, sizeof(struct pm4_mes_set_resources));
184 
185 	packet->header.u32All = pm_build_pm4_header(IT_SET_RESOURCES,
186 					sizeof(struct pm4_mes_set_resources));
187 
188 	packet->bitfields2.queue_type =
189 			queue_type__mes_set_resources__hsa_interface_queue_hiq;
190 	packet->bitfields2.vmid_mask = res->vmid_mask;
191 	packet->bitfields2.unmap_latency = KFD_UNMAP_LATENCY_MS / 100;
192 	packet->bitfields7.oac_mask = res->oac_mask;
193 	packet->bitfields8.gds_heap_base = res->gds_heap_base;
194 	packet->bitfields8.gds_heap_size = res->gds_heap_size;
195 
196 	packet->gws_mask_lo = lower_32_bits(res->gws_mask);
197 	packet->gws_mask_hi = upper_32_bits(res->gws_mask);
198 
199 	packet->queue_mask_lo = lower_32_bits(res->queue_mask);
200 	packet->queue_mask_hi = upper_32_bits(res->queue_mask);
201 
202 	return 0;
203 }
204 
205 static inline bool pm_use_ext_eng(struct kfd_dev *dev)
206 {
207 	return dev->adev->ip_versions[SDMA0_HWIP][0] >= IP_VERSION(5, 2, 0);
208 }
209 
210 static int pm_map_queues_v9(struct packet_manager *pm, uint32_t *buffer,
211 		struct queue *q, bool is_static)
212 {
213 	struct pm4_mes_map_queues *packet;
214 	bool use_static = is_static;
215 
216 	packet = (struct pm4_mes_map_queues *)buffer;
217 	memset(buffer, 0, sizeof(struct pm4_mes_map_queues));
218 
219 	packet->header.u32All = pm_build_pm4_header(IT_MAP_QUEUES,
220 					sizeof(struct pm4_mes_map_queues));
221 	packet->bitfields2.num_queues = 1;
222 	packet->bitfields2.queue_sel =
223 		queue_sel__mes_map_queues__map_to_hws_determined_queue_slots_vi;
224 
225 	packet->bitfields2.engine_sel =
226 		engine_sel__mes_map_queues__compute_vi;
227 	packet->bitfields2.gws_control_queue = q->gws ? 1 : 0;
228 	packet->bitfields2.extended_engine_sel =
229 		extended_engine_sel__mes_map_queues__legacy_engine_sel;
230 	packet->bitfields2.queue_type =
231 		queue_type__mes_map_queues__normal_compute_vi;
232 
233 	switch (q->properties.type) {
234 	case KFD_QUEUE_TYPE_COMPUTE:
235 		if (use_static)
236 			packet->bitfields2.queue_type =
237 		queue_type__mes_map_queues__normal_latency_static_queue_vi;
238 		break;
239 	case KFD_QUEUE_TYPE_DIQ:
240 		packet->bitfields2.queue_type =
241 			queue_type__mes_map_queues__debug_interface_queue_vi;
242 		break;
243 	case KFD_QUEUE_TYPE_SDMA:
244 	case KFD_QUEUE_TYPE_SDMA_XGMI:
245 		use_static = false; /* no static queues under SDMA */
246 		if (q->properties.sdma_engine_id < 2 &&
247 		    !pm_use_ext_eng(q->device->kfd))
248 			packet->bitfields2.engine_sel = q->properties.sdma_engine_id +
249 				engine_sel__mes_map_queues__sdma0_vi;
250 		else {
251 			/*
252 			 * For GFX9.4.3, SDMA engine id can be greater than 8.
253 			 * For such cases, set extended_engine_sel to 2 and
254 			 * ensure engine_sel lies between 0-7.
255 			 */
256 			if (q->properties.sdma_engine_id >= 8)
257 				packet->bitfields2.extended_engine_sel =
258 					extended_engine_sel__mes_map_queues__sdma8_to_15_sel;
259 			else
260 				packet->bitfields2.extended_engine_sel =
261 					extended_engine_sel__mes_map_queues__sdma0_to_7_sel;
262 
263 			packet->bitfields2.engine_sel = q->properties.sdma_engine_id % 8;
264 		}
265 		break;
266 	default:
267 		WARN(1, "queue type %d", q->properties.type);
268 		return -EINVAL;
269 	}
270 	packet->bitfields3.doorbell_offset =
271 			q->properties.doorbell_off;
272 
273 	packet->mqd_addr_lo =
274 			lower_32_bits(q->gart_mqd_addr);
275 
276 	packet->mqd_addr_hi =
277 			upper_32_bits(q->gart_mqd_addr);
278 
279 	packet->wptr_addr_lo =
280 			lower_32_bits((uint64_t)q->properties.write_ptr);
281 
282 	packet->wptr_addr_hi =
283 			upper_32_bits((uint64_t)q->properties.write_ptr);
284 
285 	return 0;
286 }
287 
288 static int pm_set_grace_period_v9(struct packet_manager *pm,
289 		uint32_t *buffer,
290 		uint32_t grace_period)
291 {
292 	struct pm4_mec_write_data_mmio *packet;
293 	uint32_t reg_offset = 0;
294 	uint32_t reg_data = 0;
295 
296 	pm->dqm->dev->kfd2kgd->build_grace_period_packet_info(
297 			pm->dqm->dev->adev,
298 			pm->dqm->wait_times,
299 			grace_period,
300 			&reg_offset,
301 			&reg_data);
302 
303 	if (grace_period == USE_DEFAULT_GRACE_PERIOD)
304 		reg_data = pm->dqm->wait_times;
305 
306 	packet = (struct pm4_mec_write_data_mmio *)buffer;
307 	memset(buffer, 0, sizeof(struct pm4_mec_write_data_mmio));
308 
309 	packet->header.u32All = pm_build_pm4_header(IT_WRITE_DATA,
310 					sizeof(struct pm4_mec_write_data_mmio));
311 
312 	packet->bitfields2.dst_sel  = dst_sel___write_data__mem_mapped_register;
313 	packet->bitfields2.addr_incr =
314 			addr_incr___write_data__do_not_increment_address;
315 
316 	packet->bitfields3.dst_mmreg_addr = reg_offset;
317 
318 	packet->data = reg_data;
319 
320 	return 0;
321 }
322 
323 static int pm_unmap_queues_v9(struct packet_manager *pm, uint32_t *buffer,
324 			enum kfd_unmap_queues_filter filter,
325 			uint32_t filter_param, bool reset)
326 {
327 	struct pm4_mes_unmap_queues *packet;
328 
329 	packet = (struct pm4_mes_unmap_queues *)buffer;
330 	memset(buffer, 0, sizeof(struct pm4_mes_unmap_queues));
331 
332 	packet->header.u32All = pm_build_pm4_header(IT_UNMAP_QUEUES,
333 					sizeof(struct pm4_mes_unmap_queues));
334 
335 	packet->bitfields2.extended_engine_sel =
336 				pm_use_ext_eng(pm->dqm->dev->kfd) ?
337 		extended_engine_sel__mes_unmap_queues__sdma0_to_7_sel :
338 		extended_engine_sel__mes_unmap_queues__legacy_engine_sel;
339 
340 	packet->bitfields2.engine_sel =
341 		engine_sel__mes_unmap_queues__compute;
342 
343 	if (reset)
344 		packet->bitfields2.action =
345 			action__mes_unmap_queues__reset_queues;
346 	else
347 		packet->bitfields2.action =
348 			action__mes_unmap_queues__preempt_queues;
349 
350 	switch (filter) {
351 	case KFD_UNMAP_QUEUES_FILTER_BY_PASID:
352 		packet->bitfields2.queue_sel =
353 			queue_sel__mes_unmap_queues__perform_request_on_pasid_queues;
354 		packet->bitfields3a.pasid = filter_param;
355 		break;
356 	case KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES:
357 		packet->bitfields2.queue_sel =
358 			queue_sel__mes_unmap_queues__unmap_all_queues;
359 		break;
360 	case KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES:
361 		/* in this case, we do not preempt static queues */
362 		packet->bitfields2.queue_sel =
363 			queue_sel__mes_unmap_queues__unmap_all_non_static_queues;
364 		break;
365 	default:
366 		WARN(1, "filter %d", filter);
367 		return -EINVAL;
368 	}
369 
370 	return 0;
371 
372 }
373 
374 static int pm_query_status_v9(struct packet_manager *pm, uint32_t *buffer,
375 			uint64_t fence_address,	uint64_t fence_value)
376 {
377 	struct pm4_mes_query_status *packet;
378 
379 	packet = (struct pm4_mes_query_status *)buffer;
380 	memset(buffer, 0, sizeof(struct pm4_mes_query_status));
381 
382 
383 	packet->header.u32All = pm_build_pm4_header(IT_QUERY_STATUS,
384 					sizeof(struct pm4_mes_query_status));
385 
386 	packet->bitfields2.context_id = 0;
387 	packet->bitfields2.interrupt_sel =
388 			interrupt_sel__mes_query_status__completion_status;
389 	packet->bitfields2.command =
390 			command__mes_query_status__fence_only_after_write_ack;
391 
392 	packet->addr_hi = upper_32_bits((uint64_t)fence_address);
393 	packet->addr_lo = lower_32_bits((uint64_t)fence_address);
394 	packet->data_hi = upper_32_bits((uint64_t)fence_value);
395 	packet->data_lo = lower_32_bits((uint64_t)fence_value);
396 
397 	return 0;
398 }
399 
400 const struct packet_manager_funcs kfd_v9_pm_funcs = {
401 	.map_process		= pm_map_process_v9,
402 	.runlist		= pm_runlist_v9,
403 	.set_resources		= pm_set_resources_v9,
404 	.map_queues		= pm_map_queues_v9,
405 	.unmap_queues		= pm_unmap_queues_v9,
406 	.set_grace_period       = pm_set_grace_period_v9,
407 	.query_status		= pm_query_status_v9,
408 	.release_mem		= NULL,
409 	.map_process_size	= sizeof(struct pm4_mes_map_process),
410 	.runlist_size		= sizeof(struct pm4_mes_runlist),
411 	.set_resources_size	= sizeof(struct pm4_mes_set_resources),
412 	.map_queues_size	= sizeof(struct pm4_mes_map_queues),
413 	.unmap_queues_size	= sizeof(struct pm4_mes_unmap_queues),
414 	.set_grace_period_size  = sizeof(struct pm4_mec_write_data_mmio),
415 	.query_status_size	= sizeof(struct pm4_mes_query_status),
416 	.release_mem_size	= 0,
417 };
418 
419 const struct packet_manager_funcs kfd_aldebaran_pm_funcs = {
420 	.map_process		= pm_map_process_aldebaran,
421 	.runlist		= pm_runlist_v9,
422 	.set_resources		= pm_set_resources_v9,
423 	.map_queues		= pm_map_queues_v9,
424 	.unmap_queues		= pm_unmap_queues_v9,
425 	.set_grace_period       = pm_set_grace_period_v9,
426 	.query_status		= pm_query_status_v9,
427 	.release_mem		= NULL,
428 	.map_process_size	= sizeof(struct pm4_mes_map_process_aldebaran),
429 	.runlist_size		= sizeof(struct pm4_mes_runlist),
430 	.set_resources_size	= sizeof(struct pm4_mes_set_resources),
431 	.map_queues_size	= sizeof(struct pm4_mes_map_queues),
432 	.unmap_queues_size	= sizeof(struct pm4_mes_unmap_queues),
433 	.set_grace_period_size  = sizeof(struct pm4_mec_write_data_mmio),
434 	.query_status_size	= sizeof(struct pm4_mes_query_status),
435 	.release_mem_size	= 0,
436 };
437