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 
38 	packet = (struct pm4_mes_map_process *)buffer;
39 	memset(buffer, 0, sizeof(struct pm4_mes_map_process));
40 	packet->header.u32All = pm_build_pm4_header(IT_MAP_PROCESS,
41 					sizeof(struct pm4_mes_map_process));
42 	packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0;
43 	packet->bitfields2.process_quantum = 10;
44 	packet->bitfields2.pasid = qpd->pqm->process->pasid;
45 	packet->bitfields14.gds_size = qpd->gds_size & 0x3F;
46 	packet->bitfields14.gds_size_hi = (qpd->gds_size >> 6) & 0xF;
47 	packet->bitfields14.num_gws = (qpd->mapped_gws_queue) ? qpd->num_gws : 0;
48 	packet->bitfields14.num_oac = qpd->num_oac;
49 	packet->bitfields14.sdma_enable = 1;
50 	packet->bitfields14.num_queues = (qpd->is_debug) ? 0 : qpd->queue_count;
51 
52 	packet->sh_mem_config = qpd->sh_mem_config;
53 	packet->sh_mem_bases = qpd->sh_mem_bases;
54 	if (qpd->tba_addr) {
55 		packet->sq_shader_tba_lo = lower_32_bits(qpd->tba_addr >> 8);
56 		/* On GFX9, unlike GFX10, bit TRAP_EN of SQ_SHADER_TBA_HI is
57 		 * not defined, so setting it won't do any harm.
58 		 */
59 		packet->sq_shader_tba_hi = upper_32_bits(qpd->tba_addr >> 8)
60 				| 1 << SQ_SHADER_TBA_HI__TRAP_EN__SHIFT;
61 
62 		packet->sq_shader_tma_lo = lower_32_bits(qpd->tma_addr >> 8);
63 		packet->sq_shader_tma_hi = upper_32_bits(qpd->tma_addr >> 8);
64 	}
65 
66 	packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area);
67 	packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area);
68 
69 	packet->vm_context_page_table_base_addr_lo32 =
70 			lower_32_bits(vm_page_table_base_addr);
71 	packet->vm_context_page_table_base_addr_hi32 =
72 			upper_32_bits(vm_page_table_base_addr);
73 
74 	return 0;
75 }
76 
77 static int pm_map_process_aldebaran(struct packet_manager *pm,
78 		uint32_t *buffer, struct qcm_process_device *qpd)
79 {
80 	struct pm4_mes_map_process_aldebaran *packet;
81 	uint64_t vm_page_table_base_addr = qpd->page_table_base;
82 
83 	packet = (struct pm4_mes_map_process_aldebaran *)buffer;
84 	memset(buffer, 0, sizeof(struct pm4_mes_map_process_aldebaran));
85 	packet->header.u32All = pm_build_pm4_header(IT_MAP_PROCESS,
86 			sizeof(struct pm4_mes_map_process_aldebaran));
87 	packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0;
88 	packet->bitfields2.process_quantum = 10;
89 	packet->bitfields2.pasid = qpd->pqm->process->pasid;
90 	packet->bitfields14.gds_size = qpd->gds_size & 0x3F;
91 	packet->bitfields14.gds_size_hi = (qpd->gds_size >> 6) & 0xF;
92 	packet->bitfields14.num_gws = (qpd->mapped_gws_queue) ? qpd->num_gws : 0;
93 	packet->bitfields14.num_oac = qpd->num_oac;
94 	packet->bitfields14.sdma_enable = 1;
95 	packet->bitfields14.num_queues = (qpd->is_debug) ? 0 : qpd->queue_count;
96 
97 	packet->sh_mem_config = qpd->sh_mem_config;
98 	packet->sh_mem_bases = qpd->sh_mem_bases;
99 	if (qpd->tba_addr) {
100 		packet->sq_shader_tba_lo = lower_32_bits(qpd->tba_addr >> 8);
101 		packet->sq_shader_tma_lo = lower_32_bits(qpd->tma_addr >> 8);
102 		packet->sq_shader_tma_hi = upper_32_bits(qpd->tma_addr >> 8);
103 	}
104 
105 	packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area);
106 	packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area);
107 
108 	packet->vm_context_page_table_base_addr_lo32 =
109 			lower_32_bits(vm_page_table_base_addr);
110 	packet->vm_context_page_table_base_addr_hi32 =
111 			upper_32_bits(vm_page_table_base_addr);
112 
113 	return 0;
114 }
115 
116 static int pm_runlist_v9(struct packet_manager *pm, uint32_t *buffer,
117 			uint64_t ib, size_t ib_size_in_dwords, bool chain)
118 {
119 	struct pm4_mes_runlist *packet;
120 
121 	int concurrent_proc_cnt = 0;
122 	struct kfd_dev *kfd = pm->dqm->dev;
123 
124 	/* Determine the number of processes to map together to HW:
125 	 * it can not exceed the number of VMIDs available to the
126 	 * scheduler, and it is determined by the smaller of the number
127 	 * of processes in the runlist and kfd module parameter
128 	 * hws_max_conc_proc.
129 	 * Note: the arbitration between the number of VMIDs and
130 	 * hws_max_conc_proc has been done in
131 	 * kgd2kfd_device_init().
132 	 */
133 	concurrent_proc_cnt = min(pm->dqm->processes_count,
134 			kfd->max_proc_per_quantum);
135 
136 	packet = (struct pm4_mes_runlist *)buffer;
137 
138 	memset(buffer, 0, sizeof(struct pm4_mes_runlist));
139 	packet->header.u32All = pm_build_pm4_header(IT_RUN_LIST,
140 						sizeof(struct pm4_mes_runlist));
141 
142 	packet->bitfields4.ib_size = ib_size_in_dwords;
143 	packet->bitfields4.chain = chain ? 1 : 0;
144 	packet->bitfields4.offload_polling = 0;
145 	packet->bitfields4.chained_runlist_idle_disable = chain ? 1 : 0;
146 	packet->bitfields4.valid = 1;
147 	packet->bitfields4.process_cnt = concurrent_proc_cnt;
148 	packet->ordinal2 = lower_32_bits(ib);
149 	packet->ib_base_hi = upper_32_bits(ib);
150 
151 	return 0;
152 }
153 
154 static int pm_set_resources_v9(struct packet_manager *pm, uint32_t *buffer,
155 				struct scheduling_resources *res)
156 {
157 	struct pm4_mes_set_resources *packet;
158 
159 	packet = (struct pm4_mes_set_resources *)buffer;
160 	memset(buffer, 0, sizeof(struct pm4_mes_set_resources));
161 
162 	packet->header.u32All = pm_build_pm4_header(IT_SET_RESOURCES,
163 					sizeof(struct pm4_mes_set_resources));
164 
165 	packet->bitfields2.queue_type =
166 			queue_type__mes_set_resources__hsa_interface_queue_hiq;
167 	packet->bitfields2.vmid_mask = res->vmid_mask;
168 	packet->bitfields2.unmap_latency = KFD_UNMAP_LATENCY_MS / 100;
169 	packet->bitfields7.oac_mask = res->oac_mask;
170 	packet->bitfields8.gds_heap_base = res->gds_heap_base;
171 	packet->bitfields8.gds_heap_size = res->gds_heap_size;
172 
173 	packet->gws_mask_lo = lower_32_bits(res->gws_mask);
174 	packet->gws_mask_hi = upper_32_bits(res->gws_mask);
175 
176 	packet->queue_mask_lo = lower_32_bits(res->queue_mask);
177 	packet->queue_mask_hi = upper_32_bits(res->queue_mask);
178 
179 	return 0;
180 }
181 
182 static inline bool pm_use_ext_eng(struct kfd_dev *dev)
183 {
184 	return dev->adev->ip_versions[SDMA0_HWIP][0] >= IP_VERSION(5, 2, 0);
185 }
186 
187 static int pm_map_queues_v9(struct packet_manager *pm, uint32_t *buffer,
188 		struct queue *q, bool is_static)
189 {
190 	struct pm4_mes_map_queues *packet;
191 	bool use_static = is_static;
192 
193 	packet = (struct pm4_mes_map_queues *)buffer;
194 	memset(buffer, 0, sizeof(struct pm4_mes_map_queues));
195 
196 	packet->header.u32All = pm_build_pm4_header(IT_MAP_QUEUES,
197 					sizeof(struct pm4_mes_map_queues));
198 	packet->bitfields2.num_queues = 1;
199 	packet->bitfields2.queue_sel =
200 		queue_sel__mes_map_queues__map_to_hws_determined_queue_slots_vi;
201 
202 	packet->bitfields2.engine_sel =
203 		engine_sel__mes_map_queues__compute_vi;
204 	packet->bitfields2.gws_control_queue = q->gws ? 1 : 0;
205 	packet->bitfields2.extended_engine_sel =
206 		extended_engine_sel__mes_map_queues__legacy_engine_sel;
207 	packet->bitfields2.queue_type =
208 		queue_type__mes_map_queues__normal_compute_vi;
209 
210 	switch (q->properties.type) {
211 	case KFD_QUEUE_TYPE_COMPUTE:
212 		if (use_static)
213 			packet->bitfields2.queue_type =
214 		queue_type__mes_map_queues__normal_latency_static_queue_vi;
215 		break;
216 	case KFD_QUEUE_TYPE_DIQ:
217 		packet->bitfields2.queue_type =
218 			queue_type__mes_map_queues__debug_interface_queue_vi;
219 		break;
220 	case KFD_QUEUE_TYPE_SDMA:
221 	case KFD_QUEUE_TYPE_SDMA_XGMI:
222 		use_static = false; /* no static queues under SDMA */
223 		if (q->properties.sdma_engine_id < 2 && !pm_use_ext_eng(q->device))
224 			packet->bitfields2.engine_sel = q->properties.sdma_engine_id +
225 				engine_sel__mes_map_queues__sdma0_vi;
226 		else {
227 			packet->bitfields2.extended_engine_sel =
228 				extended_engine_sel__mes_map_queues__sdma0_to_7_sel;
229 			packet->bitfields2.engine_sel = q->properties.sdma_engine_id;
230 		}
231 		break;
232 	default:
233 		WARN(1, "queue type %d", q->properties.type);
234 		return -EINVAL;
235 	}
236 	packet->bitfields3.doorbell_offset =
237 			q->properties.doorbell_off;
238 
239 	packet->mqd_addr_lo =
240 			lower_32_bits(q->gart_mqd_addr);
241 
242 	packet->mqd_addr_hi =
243 			upper_32_bits(q->gart_mqd_addr);
244 
245 	packet->wptr_addr_lo =
246 			lower_32_bits((uint64_t)q->properties.write_ptr);
247 
248 	packet->wptr_addr_hi =
249 			upper_32_bits((uint64_t)q->properties.write_ptr);
250 
251 	return 0;
252 }
253 
254 static int pm_unmap_queues_v9(struct packet_manager *pm, uint32_t *buffer,
255 			enum kfd_unmap_queues_filter filter,
256 			uint32_t filter_param, bool reset)
257 {
258 	struct pm4_mes_unmap_queues *packet;
259 
260 	packet = (struct pm4_mes_unmap_queues *)buffer;
261 	memset(buffer, 0, sizeof(struct pm4_mes_unmap_queues));
262 
263 	packet->header.u32All = pm_build_pm4_header(IT_UNMAP_QUEUES,
264 					sizeof(struct pm4_mes_unmap_queues));
265 
266 	packet->bitfields2.extended_engine_sel = pm_use_ext_eng(pm->dqm->dev) ?
267 		extended_engine_sel__mes_unmap_queues__sdma0_to_7_sel :
268 		extended_engine_sel__mes_unmap_queues__legacy_engine_sel;
269 
270 	packet->bitfields2.engine_sel =
271 		engine_sel__mes_unmap_queues__compute;
272 
273 	if (reset)
274 		packet->bitfields2.action =
275 			action__mes_unmap_queues__reset_queues;
276 	else
277 		packet->bitfields2.action =
278 			action__mes_unmap_queues__preempt_queues;
279 
280 	switch (filter) {
281 	case KFD_UNMAP_QUEUES_FILTER_BY_PASID:
282 		packet->bitfields2.queue_sel =
283 			queue_sel__mes_unmap_queues__perform_request_on_pasid_queues;
284 		packet->bitfields3a.pasid = filter_param;
285 		break;
286 	case KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES:
287 		packet->bitfields2.queue_sel =
288 			queue_sel__mes_unmap_queues__unmap_all_queues;
289 		break;
290 	case KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES:
291 		/* in this case, we do not preempt static queues */
292 		packet->bitfields2.queue_sel =
293 			queue_sel__mes_unmap_queues__unmap_all_non_static_queues;
294 		break;
295 	default:
296 		WARN(1, "filter %d", filter);
297 		return -EINVAL;
298 	}
299 
300 	return 0;
301 
302 }
303 
304 static int pm_query_status_v9(struct packet_manager *pm, uint32_t *buffer,
305 			uint64_t fence_address,	uint64_t fence_value)
306 {
307 	struct pm4_mes_query_status *packet;
308 
309 	packet = (struct pm4_mes_query_status *)buffer;
310 	memset(buffer, 0, sizeof(struct pm4_mes_query_status));
311 
312 
313 	packet->header.u32All = pm_build_pm4_header(IT_QUERY_STATUS,
314 					sizeof(struct pm4_mes_query_status));
315 
316 	packet->bitfields2.context_id = 0;
317 	packet->bitfields2.interrupt_sel =
318 			interrupt_sel__mes_query_status__completion_status;
319 	packet->bitfields2.command =
320 			command__mes_query_status__fence_only_after_write_ack;
321 
322 	packet->addr_hi = upper_32_bits((uint64_t)fence_address);
323 	packet->addr_lo = lower_32_bits((uint64_t)fence_address);
324 	packet->data_hi = upper_32_bits((uint64_t)fence_value);
325 	packet->data_lo = lower_32_bits((uint64_t)fence_value);
326 
327 	return 0;
328 }
329 
330 const struct packet_manager_funcs kfd_v9_pm_funcs = {
331 	.map_process		= pm_map_process_v9,
332 	.runlist		= pm_runlist_v9,
333 	.set_resources		= pm_set_resources_v9,
334 	.map_queues		= pm_map_queues_v9,
335 	.unmap_queues		= pm_unmap_queues_v9,
336 	.query_status		= pm_query_status_v9,
337 	.release_mem		= NULL,
338 	.map_process_size	= sizeof(struct pm4_mes_map_process),
339 	.runlist_size		= sizeof(struct pm4_mes_runlist),
340 	.set_resources_size	= sizeof(struct pm4_mes_set_resources),
341 	.map_queues_size	= sizeof(struct pm4_mes_map_queues),
342 	.unmap_queues_size	= sizeof(struct pm4_mes_unmap_queues),
343 	.query_status_size	= sizeof(struct pm4_mes_query_status),
344 	.release_mem_size	= 0,
345 };
346 
347 const struct packet_manager_funcs kfd_aldebaran_pm_funcs = {
348 	.map_process		= pm_map_process_aldebaran,
349 	.runlist		= pm_runlist_v9,
350 	.set_resources		= pm_set_resources_v9,
351 	.map_queues		= pm_map_queues_v9,
352 	.unmap_queues		= pm_unmap_queues_v9,
353 	.query_status		= pm_query_status_v9,
354 	.release_mem		= NULL,
355 	.map_process_size	= sizeof(struct pm4_mes_map_process_aldebaran),
356 	.runlist_size		= sizeof(struct pm4_mes_runlist),
357 	.set_resources_size	= sizeof(struct pm4_mes_set_resources),
358 	.map_queues_size	= sizeof(struct pm4_mes_map_queues),
359 	.unmap_queues_size	= sizeof(struct pm4_mes_unmap_queues),
360 	.query_status_size	= sizeof(struct pm4_mes_query_status),
361 	.release_mem_size	= 0,
362 };
363