1// SPDX-License-Identifier: GPL-2.0 OR MIT 2/* 3 * Copyright 2014-2022 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_vi.h" 28#include "kfd_pm4_opcodes.h" 29 30unsigned int pm_build_pm4_header(unsigned int opcode, size_t packet_size) 31{ 32 union PM4_MES_TYPE_3_HEADER header; 33 34 header.u32All = 0; 35 header.opcode = opcode; 36 header.count = packet_size / 4 - 2; 37 header.type = PM4_TYPE_3; 38 39 return header.u32All; 40} 41 42static int pm_map_process_vi(struct packet_manager *pm, uint32_t *buffer, 43 struct qcm_process_device *qpd) 44{ 45 struct pm4_mes_map_process *packet; 46 47 packet = (struct pm4_mes_map_process *)buffer; 48 49 memset(buffer, 0, sizeof(struct pm4_mes_map_process)); 50 51 packet->header.u32All = pm_build_pm4_header(IT_MAP_PROCESS, 52 sizeof(struct pm4_mes_map_process)); 53 packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0; 54 packet->bitfields2.process_quantum = 10; 55 packet->bitfields2.pasid = qpd->pqm->process->pasid; 56 packet->bitfields3.page_table_base = qpd->page_table_base; 57 packet->bitfields10.gds_size = qpd->gds_size; 58 packet->bitfields10.num_gws = qpd->num_gws; 59 packet->bitfields10.num_oac = qpd->num_oac; 60 packet->bitfields10.num_queues = (qpd->is_debug) ? 0 : qpd->queue_count; 61 62 packet->sh_mem_config = qpd->sh_mem_config; 63 packet->sh_mem_bases = qpd->sh_mem_bases; 64 packet->sh_mem_ape1_base = qpd->sh_mem_ape1_base; 65 packet->sh_mem_ape1_limit = qpd->sh_mem_ape1_limit; 66 67 packet->sh_hidden_private_base_vmid = qpd->sh_hidden_private_base; 68 69 packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area); 70 packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area); 71 72 return 0; 73} 74 75static int pm_runlist_vi(struct packet_manager *pm, uint32_t *buffer, 76 uint64_t ib, size_t ib_size_in_dwords, bool chain) 77{ 78 struct pm4_mes_runlist *packet; 79 int concurrent_proc_cnt = 0; 80 struct kfd_node *kfd = pm->dqm->dev; 81 82 if (WARN_ON(!ib)) 83 return -EFAULT; 84 85 /* Determine the number of processes to map together to HW: 86 * it can not exceed the number of VMIDs available to the 87 * scheduler, and it is determined by the smaller of the number 88 * of processes in the runlist and kfd module parameter 89 * hws_max_conc_proc. 90 * Note: the arbitration between the number of VMIDs and 91 * hws_max_conc_proc has been done in 92 * kgd2kfd_device_init(). 93 */ 94 concurrent_proc_cnt = min(pm->dqm->processes_count, 95 kfd->max_proc_per_quantum); 96 97 packet = (struct pm4_mes_runlist *)buffer; 98 99 memset(buffer, 0, sizeof(struct pm4_mes_runlist)); 100 packet->header.u32All = pm_build_pm4_header(IT_RUN_LIST, 101 sizeof(struct pm4_mes_runlist)); 102 103 packet->bitfields4.ib_size = ib_size_in_dwords; 104 packet->bitfields4.chain = chain ? 1 : 0; 105 packet->bitfields4.offload_polling = 0; 106 packet->bitfields4.valid = 1; 107 packet->bitfields4.process_cnt = concurrent_proc_cnt; 108 packet->ordinal2 = lower_32_bits(ib); 109 packet->bitfields3.ib_base_hi = upper_32_bits(ib); 110 111 return 0; 112} 113 114static int pm_set_resources_vi(struct packet_manager *pm, uint32_t *buffer, 115 struct scheduling_resources *res) 116{ 117 struct pm4_mes_set_resources *packet; 118 119 packet = (struct pm4_mes_set_resources *)buffer; 120 memset(buffer, 0, sizeof(struct pm4_mes_set_resources)); 121 122 packet->header.u32All = pm_build_pm4_header(IT_SET_RESOURCES, 123 sizeof(struct pm4_mes_set_resources)); 124 125 packet->bitfields2.queue_type = 126 queue_type__mes_set_resources__hsa_interface_queue_hiq; 127 packet->bitfields2.vmid_mask = res->vmid_mask; 128 packet->bitfields2.unmap_latency = KFD_UNMAP_LATENCY_MS / 100; 129 packet->bitfields7.oac_mask = res->oac_mask; 130 packet->bitfields8.gds_heap_base = res->gds_heap_base; 131 packet->bitfields8.gds_heap_size = res->gds_heap_size; 132 133 packet->gws_mask_lo = lower_32_bits(res->gws_mask); 134 packet->gws_mask_hi = upper_32_bits(res->gws_mask); 135 136 packet->queue_mask_lo = lower_32_bits(res->queue_mask); 137 packet->queue_mask_hi = upper_32_bits(res->queue_mask); 138 139 return 0; 140} 141 142static int pm_map_queues_vi(struct packet_manager *pm, uint32_t *buffer, 143 struct queue *q, bool is_static) 144{ 145 struct pm4_mes_map_queues *packet; 146 bool use_static = is_static; 147 148 packet = (struct pm4_mes_map_queues *)buffer; 149 memset(buffer, 0, sizeof(struct pm4_mes_map_queues)); 150 151 packet->header.u32All = pm_build_pm4_header(IT_MAP_QUEUES, 152 sizeof(struct pm4_mes_map_queues)); 153 packet->bitfields2.num_queues = 1; 154 packet->bitfields2.queue_sel = 155 queue_sel__mes_map_queues__map_to_hws_determined_queue_slots_vi; 156 157 packet->bitfields2.engine_sel = 158 engine_sel__mes_map_queues__compute_vi; 159 packet->bitfields2.queue_type = 160 queue_type__mes_map_queues__normal_compute_vi; 161 162 switch (q->properties.type) { 163 case KFD_QUEUE_TYPE_COMPUTE: 164 if (use_static) 165 packet->bitfields2.queue_type = 166 queue_type__mes_map_queues__normal_latency_static_queue_vi; 167 break; 168 case KFD_QUEUE_TYPE_DIQ: 169 packet->bitfields2.queue_type = 170 queue_type__mes_map_queues__debug_interface_queue_vi; 171 break; 172 case KFD_QUEUE_TYPE_SDMA: 173 case KFD_QUEUE_TYPE_SDMA_XGMI: 174 packet->bitfields2.engine_sel = q->properties.sdma_engine_id + 175 engine_sel__mes_map_queues__sdma0_vi; 176 use_static = false; /* no static queues under SDMA */ 177 break; 178 default: 179 WARN(1, "queue type %d", q->properties.type); 180 return -EINVAL; 181 } 182 packet->bitfields3.doorbell_offset = 183 q->properties.doorbell_off; 184 185 packet->mqd_addr_lo = 186 lower_32_bits(q->gart_mqd_addr); 187 188 packet->mqd_addr_hi = 189 upper_32_bits(q->gart_mqd_addr); 190 191 packet->wptr_addr_lo = 192 lower_32_bits((uint64_t)q->properties.write_ptr); 193 194 packet->wptr_addr_hi = 195 upper_32_bits((uint64_t)q->properties.write_ptr); 196 197 return 0; 198} 199 200static int pm_unmap_queues_vi(struct packet_manager *pm, uint32_t *buffer, 201 enum kfd_unmap_queues_filter filter, 202 uint32_t filter_param, bool reset) 203{ 204 struct pm4_mes_unmap_queues *packet; 205 206 packet = (struct pm4_mes_unmap_queues *)buffer; 207 memset(buffer, 0, sizeof(struct pm4_mes_unmap_queues)); 208 209 packet->header.u32All = pm_build_pm4_header(IT_UNMAP_QUEUES, 210 sizeof(struct pm4_mes_unmap_queues)); 211 212 packet->bitfields2.engine_sel = 213 engine_sel__mes_unmap_queues__compute; 214 215 if (reset) 216 packet->bitfields2.action = 217 action__mes_unmap_queues__reset_queues; 218 else 219 packet->bitfields2.action = 220 action__mes_unmap_queues__preempt_queues; 221 222 switch (filter) { 223 case KFD_UNMAP_QUEUES_FILTER_BY_PASID: 224 packet->bitfields2.queue_sel = 225 queue_sel__mes_unmap_queues__perform_request_on_pasid_queues; 226 packet->bitfields3a.pasid = filter_param; 227 break; 228 case KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: 229 packet->bitfields2.queue_sel = 230 queue_sel__mes_unmap_queues__unmap_all_queues; 231 break; 232 case KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES: 233 /* in this case, we do not preempt static queues */ 234 packet->bitfields2.queue_sel = 235 queue_sel__mes_unmap_queues__unmap_all_non_static_queues; 236 break; 237 default: 238 WARN(1, "filter %d", filter); 239 return -EINVAL; 240 } 241 242 return 0; 243 244} 245 246static int pm_query_status_vi(struct packet_manager *pm, uint32_t *buffer, 247 uint64_t fence_address, uint64_t fence_value) 248{ 249 struct pm4_mes_query_status *packet; 250 251 packet = (struct pm4_mes_query_status *)buffer; 252 memset(buffer, 0, sizeof(struct pm4_mes_query_status)); 253 254 packet->header.u32All = pm_build_pm4_header(IT_QUERY_STATUS, 255 sizeof(struct pm4_mes_query_status)); 256 257 packet->bitfields2.context_id = 0; 258 packet->bitfields2.interrupt_sel = 259 interrupt_sel__mes_query_status__completion_status; 260 packet->bitfields2.command = 261 command__mes_query_status__fence_only_after_write_ack; 262 263 packet->addr_hi = upper_32_bits((uint64_t)fence_address); 264 packet->addr_lo = lower_32_bits((uint64_t)fence_address); 265 packet->data_hi = upper_32_bits((uint64_t)fence_value); 266 packet->data_lo = lower_32_bits((uint64_t)fence_value); 267 268 return 0; 269} 270 271static int pm_release_mem_vi(uint64_t gpu_addr, uint32_t *buffer) 272{ 273 struct pm4_mec_release_mem *packet; 274 275 packet = (struct pm4_mec_release_mem *)buffer; 276 memset(buffer, 0, sizeof(*packet)); 277 278 packet->header.u32All = pm_build_pm4_header(IT_RELEASE_MEM, 279 sizeof(*packet)); 280 281 packet->bitfields2.event_type = CACHE_FLUSH_AND_INV_TS_EVENT; 282 packet->bitfields2.event_index = event_index___release_mem__end_of_pipe; 283 packet->bitfields2.tcl1_action_ena = 1; 284 packet->bitfields2.tc_action_ena = 1; 285 packet->bitfields2.cache_policy = cache_policy___release_mem__lru; 286 packet->bitfields2.atc = 0; 287 288 packet->bitfields3.data_sel = data_sel___release_mem__send_32_bit_low; 289 packet->bitfields3.int_sel = 290 int_sel___release_mem__send_interrupt_after_write_confirm; 291 292 packet->bitfields4.address_lo_32b = (gpu_addr & 0xffffffff) >> 2; 293 packet->address_hi = upper_32_bits(gpu_addr); 294 295 packet->data_lo = 0; 296 297 return 0; 298} 299 300const struct packet_manager_funcs kfd_vi_pm_funcs = { 301 .map_process = pm_map_process_vi, 302 .runlist = pm_runlist_vi, 303 .set_resources = pm_set_resources_vi, 304 .map_queues = pm_map_queues_vi, 305 .unmap_queues = pm_unmap_queues_vi, 306 .set_grace_period = NULL, 307 .query_status = pm_query_status_vi, 308 .release_mem = pm_release_mem_vi, 309 .map_process_size = sizeof(struct pm4_mes_map_process), 310 .runlist_size = sizeof(struct pm4_mes_runlist), 311 .set_resources_size = sizeof(struct pm4_mes_set_resources), 312 .map_queues_size = sizeof(struct pm4_mes_map_queues), 313 .unmap_queues_size = sizeof(struct pm4_mes_unmap_queues), 314 .set_grace_period_size = 0, 315 .query_status_size = sizeof(struct pm4_mes_query_status), 316 .release_mem_size = sizeof(struct pm4_mec_release_mem) 317}; 318