1 /*
2 * Copyright 2016-2018 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 #include "kfd_kernel_queue.h"
25 #include "kfd_device_queue_manager.h"
26 #include "kfd_pm4_headers_ai.h"
27 #include "kfd_pm4_opcodes.h"
28
29 static bool initialize_v9(struct kernel_queue *kq, struct kfd_dev *dev,
30 enum kfd_queue_type type, unsigned int queue_size);
31 static void uninitialize_v9(struct kernel_queue *kq);
32 static void submit_packet_v9(struct kernel_queue *kq);
33
kernel_queue_init_v9(struct kernel_queue_ops * ops)34 void kernel_queue_init_v9(struct kernel_queue_ops *ops)
35 {
36 ops->initialize = initialize_v9;
37 ops->uninitialize = uninitialize_v9;
38 ops->submit_packet = submit_packet_v9;
39 }
40
initialize_v9(struct kernel_queue * kq,struct kfd_dev * dev,enum kfd_queue_type type,unsigned int queue_size)41 static bool initialize_v9(struct kernel_queue *kq, struct kfd_dev *dev,
42 enum kfd_queue_type type, unsigned int queue_size)
43 {
44 int retval;
45
46 retval = kfd_gtt_sa_allocate(dev, PAGE_SIZE, &kq->eop_mem);
47 if (retval)
48 return false;
49
50 kq->eop_gpu_addr = kq->eop_mem->gpu_addr;
51 kq->eop_kernel_addr = kq->eop_mem->cpu_ptr;
52
53 memset(kq->eop_kernel_addr, 0, PAGE_SIZE);
54
55 return true;
56 }
57
uninitialize_v9(struct kernel_queue * kq)58 static void uninitialize_v9(struct kernel_queue *kq)
59 {
60 kfd_gtt_sa_free(kq->dev, kq->eop_mem);
61 }
62
submit_packet_v9(struct kernel_queue * kq)63 static void submit_packet_v9(struct kernel_queue *kq)
64 {
65 *kq->wptr64_kernel = kq->pending_wptr64;
66 write_kernel_doorbell64(kq->queue->properties.doorbell_ptr,
67 kq->pending_wptr64);
68 }
69
pm_map_process_v9(struct packet_manager * pm,uint32_t * buffer,struct qcm_process_device * qpd)70 static int pm_map_process_v9(struct packet_manager *pm,
71 uint32_t *buffer, struct qcm_process_device *qpd)
72 {
73 struct pm4_mes_map_process *packet;
74 uint64_t vm_page_table_base_addr = qpd->page_table_base;
75
76 packet = (struct pm4_mes_map_process *)buffer;
77 memset(buffer, 0, sizeof(struct pm4_mes_map_process));
78
79 packet->header.u32All = pm_build_pm4_header(IT_MAP_PROCESS,
80 sizeof(struct pm4_mes_map_process));
81 packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0;
82 packet->bitfields2.process_quantum = 1;
83 packet->bitfields2.pasid = qpd->pqm->process->pasid;
84 packet->bitfields14.gds_size = qpd->gds_size & 0x3F;
85 packet->bitfields14.gds_size_hi = (qpd->gds_size >> 6) & 0xF;
86 packet->bitfields14.num_gws = qpd->num_gws;
87 packet->bitfields14.num_oac = qpd->num_oac;
88 packet->bitfields14.sdma_enable = 1;
89 packet->bitfields14.num_queues = (qpd->is_debug) ? 0 : qpd->queue_count;
90
91 packet->sh_mem_config = qpd->sh_mem_config;
92 packet->sh_mem_bases = qpd->sh_mem_bases;
93 packet->sq_shader_tba_lo = lower_32_bits(qpd->tba_addr >> 8);
94 packet->sq_shader_tba_hi = upper_32_bits(qpd->tba_addr >> 8);
95 packet->sq_shader_tma_lo = lower_32_bits(qpd->tma_addr >> 8);
96 packet->sq_shader_tma_hi = upper_32_bits(qpd->tma_addr >> 8);
97
98 packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area);
99 packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area);
100
101 packet->vm_context_page_table_base_addr_lo32 =
102 lower_32_bits(vm_page_table_base_addr);
103 packet->vm_context_page_table_base_addr_hi32 =
104 upper_32_bits(vm_page_table_base_addr);
105
106 return 0;
107 }
108
pm_runlist_v9(struct packet_manager * pm,uint32_t * buffer,uint64_t ib,size_t ib_size_in_dwords,bool chain)109 static int pm_runlist_v9(struct packet_manager *pm, uint32_t *buffer,
110 uint64_t ib, size_t ib_size_in_dwords, bool chain)
111 {
112 struct pm4_mes_runlist *packet;
113
114 int concurrent_proc_cnt = 0;
115 struct kfd_dev *kfd = pm->dqm->dev;
116
117 /* Determine the number of processes to map together to HW:
118 * it can not exceed the number of VMIDs available to the
119 * scheduler, and it is determined by the smaller of the number
120 * of processes in the runlist and kfd module parameter
121 * hws_max_conc_proc.
122 * Note: the arbitration between the number of VMIDs and
123 * hws_max_conc_proc has been done in
124 * kgd2kfd_device_init().
125 */
126 concurrent_proc_cnt = min(pm->dqm->processes_count,
127 kfd->max_proc_per_quantum);
128
129 packet = (struct pm4_mes_runlist *)buffer;
130
131 memset(buffer, 0, sizeof(struct pm4_mes_runlist));
132 packet->header.u32All = pm_build_pm4_header(IT_RUN_LIST,
133 sizeof(struct pm4_mes_runlist));
134
135 packet->bitfields4.ib_size = ib_size_in_dwords;
136 packet->bitfields4.chain = chain ? 1 : 0;
137 packet->bitfields4.offload_polling = 0;
138 packet->bitfields4.chained_runlist_idle_disable = chain ? 1 : 0;
139 packet->bitfields4.valid = 1;
140 packet->bitfields4.process_cnt = concurrent_proc_cnt;
141 packet->ordinal2 = lower_32_bits(ib);
142 packet->ib_base_hi = upper_32_bits(ib);
143
144 return 0;
145 }
146
pm_set_resources_v9(struct packet_manager * pm,uint32_t * buffer,struct scheduling_resources * res)147 static int pm_set_resources_v9(struct packet_manager *pm, uint32_t *buffer,
148 struct scheduling_resources *res)
149 {
150 struct pm4_mes_set_resources *packet;
151
152 packet = (struct pm4_mes_set_resources *)buffer;
153 memset(buffer, 0, sizeof(struct pm4_mes_set_resources));
154
155 packet->header.u32All = pm_build_pm4_header(IT_SET_RESOURCES,
156 sizeof(struct pm4_mes_set_resources));
157
158 packet->bitfields2.queue_type =
159 queue_type__mes_set_resources__hsa_interface_queue_hiq;
160 packet->bitfields2.vmid_mask = res->vmid_mask;
161 packet->bitfields2.unmap_latency = KFD_UNMAP_LATENCY_MS / 100;
162 packet->bitfields7.oac_mask = res->oac_mask;
163 packet->bitfields8.gds_heap_base = res->gds_heap_base;
164 packet->bitfields8.gds_heap_size = res->gds_heap_size;
165
166 packet->gws_mask_lo = lower_32_bits(res->gws_mask);
167 packet->gws_mask_hi = upper_32_bits(res->gws_mask);
168
169 packet->queue_mask_lo = lower_32_bits(res->queue_mask);
170 packet->queue_mask_hi = upper_32_bits(res->queue_mask);
171
172 return 0;
173 }
174
pm_map_queues_v9(struct packet_manager * pm,uint32_t * buffer,struct queue * q,bool is_static)175 static int pm_map_queues_v9(struct packet_manager *pm, uint32_t *buffer,
176 struct queue *q, bool is_static)
177 {
178 struct pm4_mes_map_queues *packet;
179 bool use_static = is_static;
180
181 packet = (struct pm4_mes_map_queues *)buffer;
182 memset(buffer, 0, sizeof(struct pm4_mes_map_queues));
183
184 packet->header.u32All = pm_build_pm4_header(IT_MAP_QUEUES,
185 sizeof(struct pm4_mes_map_queues));
186 packet->bitfields2.num_queues = 1;
187 packet->bitfields2.queue_sel =
188 queue_sel__mes_map_queues__map_to_hws_determined_queue_slots_vi;
189
190 packet->bitfields2.engine_sel =
191 engine_sel__mes_map_queues__compute_vi;
192 packet->bitfields2.gws_control_queue = q->gws ? 1 : 0;
193 packet->bitfields2.extended_engine_sel =
194 extended_engine_sel__mes_map_queues__legacy_engine_sel;
195 packet->bitfields2.queue_type =
196 queue_type__mes_map_queues__normal_compute_vi;
197
198 switch (q->properties.type) {
199 case KFD_QUEUE_TYPE_COMPUTE:
200 if (use_static)
201 packet->bitfields2.queue_type =
202 queue_type__mes_map_queues__normal_latency_static_queue_vi;
203 break;
204 case KFD_QUEUE_TYPE_DIQ:
205 packet->bitfields2.queue_type =
206 queue_type__mes_map_queues__debug_interface_queue_vi;
207 break;
208 case KFD_QUEUE_TYPE_SDMA:
209 case KFD_QUEUE_TYPE_SDMA_XGMI:
210 use_static = false; /* no static queues under SDMA */
211 if (q->properties.sdma_engine_id < 2)
212 packet->bitfields2.engine_sel = q->properties.sdma_engine_id +
213 engine_sel__mes_map_queues__sdma0_vi;
214 else {
215 packet->bitfields2.extended_engine_sel =
216 extended_engine_sel__mes_map_queues__sdma0_to_7_sel;
217 packet->bitfields2.engine_sel = q->properties.sdma_engine_id;
218 }
219 break;
220 default:
221 WARN(1, "queue type %d", q->properties.type);
222 return -EINVAL;
223 }
224 packet->bitfields3.doorbell_offset =
225 q->properties.doorbell_off;
226
227 packet->mqd_addr_lo =
228 lower_32_bits(q->gart_mqd_addr);
229
230 packet->mqd_addr_hi =
231 upper_32_bits(q->gart_mqd_addr);
232
233 packet->wptr_addr_lo =
234 lower_32_bits((uint64_t)q->properties.write_ptr);
235
236 packet->wptr_addr_hi =
237 upper_32_bits((uint64_t)q->properties.write_ptr);
238
239 return 0;
240 }
241
pm_unmap_queues_v9(struct packet_manager * pm,uint32_t * buffer,enum kfd_queue_type type,enum kfd_unmap_queues_filter filter,uint32_t filter_param,bool reset,unsigned int sdma_engine)242 static int pm_unmap_queues_v9(struct packet_manager *pm, uint32_t *buffer,
243 enum kfd_queue_type type,
244 enum kfd_unmap_queues_filter filter,
245 uint32_t filter_param, bool reset,
246 unsigned int sdma_engine)
247 {
248 struct pm4_mes_unmap_queues *packet;
249
250 packet = (struct pm4_mes_unmap_queues *)buffer;
251 memset(buffer, 0, sizeof(struct pm4_mes_unmap_queues));
252
253 packet->header.u32All = pm_build_pm4_header(IT_UNMAP_QUEUES,
254 sizeof(struct pm4_mes_unmap_queues));
255 switch (type) {
256 case KFD_QUEUE_TYPE_COMPUTE:
257 case KFD_QUEUE_TYPE_DIQ:
258 packet->bitfields2.extended_engine_sel =
259 extended_engine_sel__mes_unmap_queues__legacy_engine_sel;
260 packet->bitfields2.engine_sel =
261 engine_sel__mes_unmap_queues__compute;
262 break;
263 case KFD_QUEUE_TYPE_SDMA:
264 case KFD_QUEUE_TYPE_SDMA_XGMI:
265 if (sdma_engine < 2) {
266 packet->bitfields2.extended_engine_sel =
267 extended_engine_sel__mes_unmap_queues__legacy_engine_sel;
268 packet->bitfields2.engine_sel =
269 engine_sel__mes_unmap_queues__sdma0 + sdma_engine;
270 } else {
271 packet->bitfields2.extended_engine_sel =
272 extended_engine_sel__mes_unmap_queues__sdma0_to_7_sel;
273 packet->bitfields2.engine_sel = sdma_engine;
274 }
275 break;
276 default:
277 WARN(1, "queue type %d", type);
278 return -EINVAL;
279 }
280
281 if (reset)
282 packet->bitfields2.action =
283 action__mes_unmap_queues__reset_queues;
284 else
285 packet->bitfields2.action =
286 action__mes_unmap_queues__preempt_queues;
287
288 switch (filter) {
289 case KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE:
290 packet->bitfields2.queue_sel =
291 queue_sel__mes_unmap_queues__perform_request_on_specified_queues;
292 packet->bitfields2.num_queues = 1;
293 packet->bitfields3b.doorbell_offset0 = filter_param;
294 break;
295 case KFD_UNMAP_QUEUES_FILTER_BY_PASID:
296 packet->bitfields2.queue_sel =
297 queue_sel__mes_unmap_queues__perform_request_on_pasid_queues;
298 packet->bitfields3a.pasid = filter_param;
299 break;
300 case KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES:
301 packet->bitfields2.queue_sel =
302 queue_sel__mes_unmap_queues__unmap_all_queues;
303 break;
304 case KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES:
305 /* in this case, we do not preempt static queues */
306 packet->bitfields2.queue_sel =
307 queue_sel__mes_unmap_queues__unmap_all_non_static_queues;
308 break;
309 default:
310 WARN(1, "filter %d", filter);
311 return -EINVAL;
312 }
313
314 return 0;
315
316 }
317
pm_query_status_v9(struct packet_manager * pm,uint32_t * buffer,uint64_t fence_address,uint32_t fence_value)318 static int pm_query_status_v9(struct packet_manager *pm, uint32_t *buffer,
319 uint64_t fence_address, uint32_t fence_value)
320 {
321 struct pm4_mes_query_status *packet;
322
323 packet = (struct pm4_mes_query_status *)buffer;
324 memset(buffer, 0, sizeof(struct pm4_mes_query_status));
325
326
327 packet->header.u32All = pm_build_pm4_header(IT_QUERY_STATUS,
328 sizeof(struct pm4_mes_query_status));
329
330 packet->bitfields2.context_id = 0;
331 packet->bitfields2.interrupt_sel =
332 interrupt_sel__mes_query_status__completion_status;
333 packet->bitfields2.command =
334 command__mes_query_status__fence_only_after_write_ack;
335
336 packet->addr_hi = upper_32_bits((uint64_t)fence_address);
337 packet->addr_lo = lower_32_bits((uint64_t)fence_address);
338 packet->data_hi = upper_32_bits((uint64_t)fence_value);
339 packet->data_lo = lower_32_bits((uint64_t)fence_value);
340
341 return 0;
342 }
343
344
pm_release_mem_v9(uint64_t gpu_addr,uint32_t * buffer)345 static int pm_release_mem_v9(uint64_t gpu_addr, uint32_t *buffer)
346 {
347 struct pm4_mec_release_mem *packet;
348
349 packet = (struct pm4_mec_release_mem *)buffer;
350 memset(buffer, 0, sizeof(struct pm4_mec_release_mem));
351
352 packet->header.u32All = pm_build_pm4_header(IT_RELEASE_MEM,
353 sizeof(struct pm4_mec_release_mem));
354
355 packet->bitfields2.event_type = CACHE_FLUSH_AND_INV_TS_EVENT;
356 packet->bitfields2.event_index = event_index__mec_release_mem__end_of_pipe;
357 packet->bitfields2.tcl1_action_ena = 1;
358 packet->bitfields2.tc_action_ena = 1;
359 packet->bitfields2.cache_policy = cache_policy__mec_release_mem__lru;
360
361 packet->bitfields3.data_sel = data_sel__mec_release_mem__send_32_bit_low;
362 packet->bitfields3.int_sel =
363 int_sel__mec_release_mem__send_interrupt_after_write_confirm;
364
365 packet->bitfields4.address_lo_32b = (gpu_addr & 0xffffffff) >> 2;
366 packet->address_hi = upper_32_bits(gpu_addr);
367
368 packet->data_lo = 0;
369
370 return 0;
371 }
372
373 const struct packet_manager_funcs kfd_v9_pm_funcs = {
374 .map_process = pm_map_process_v9,
375 .runlist = pm_runlist_v9,
376 .set_resources = pm_set_resources_v9,
377 .map_queues = pm_map_queues_v9,
378 .unmap_queues = pm_unmap_queues_v9,
379 .query_status = pm_query_status_v9,
380 .release_mem = pm_release_mem_v9,
381 .map_process_size = sizeof(struct pm4_mes_map_process),
382 .runlist_size = sizeof(struct pm4_mes_runlist),
383 .set_resources_size = sizeof(struct pm4_mes_set_resources),
384 .map_queues_size = sizeof(struct pm4_mes_map_queues),
385 .unmap_queues_size = sizeof(struct pm4_mes_unmap_queues),
386 .query_status_size = sizeof(struct pm4_mes_query_status),
387 .release_mem_size = sizeof(struct pm4_mec_release_mem)
388 };
389
