| /* |
| * Copyright 2014 Advanced Micro Devices, Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| */ |
| |
| #include <linux/slab.h> |
| #include <linux/mutex.h> |
| #include "kfd_device_queue_manager.h" |
| #include "kfd_kernel_queue.h" |
| #include "kfd_priv.h" |
| #include "kfd_pm4_headers.h" |
| #include "kfd_pm4_headers_vi.h" |
| #include "kfd_pm4_opcodes.h" |
| |
| static inline void inc_wptr(unsigned int *wptr, unsigned int increment_bytes, |
| unsigned int buffer_size_bytes) |
| { |
| unsigned int temp = *wptr + increment_bytes / sizeof(uint32_t); |
| |
| BUG_ON((temp * sizeof(uint32_t)) > buffer_size_bytes); |
| *wptr = temp; |
| } |
| |
| static unsigned int build_pm4_header(unsigned int opcode, size_t packet_size) |
| { |
| union PM4_MES_TYPE_3_HEADER header; |
| |
| header.u32all = 0; |
| header.opcode = opcode; |
| header.count = packet_size/sizeof(uint32_t) - 2; |
| header.type = PM4_TYPE_3; |
| |
| return header.u32all; |
| } |
| |
| static void pm_calc_rlib_size(struct packet_manager *pm, |
| unsigned int *rlib_size, |
| bool *over_subscription) |
| { |
| unsigned int process_count, queue_count; |
| unsigned int map_queue_size; |
| |
| BUG_ON(!pm || !rlib_size || !over_subscription); |
| |
| process_count = pm->dqm->processes_count; |
| queue_count = pm->dqm->queue_count; |
| |
| /* check if there is over subscription*/ |
| *over_subscription = false; |
| if ((process_count > 1) || |
| queue_count > PIPE_PER_ME_CP_SCHEDULING * QUEUES_PER_PIPE) { |
| *over_subscription = true; |
| pr_debug("kfd: over subscribed runlist\n"); |
| } |
| |
| map_queue_size = |
| (pm->dqm->dev->device_info->asic_family == CHIP_CARRIZO) ? |
| sizeof(struct pm4_mes_map_queues) : |
| sizeof(struct pm4_map_queues); |
| /* calculate run list ib allocation size */ |
| *rlib_size = process_count * sizeof(struct pm4_map_process) + |
| queue_count * map_queue_size; |
| |
| /* |
| * Increase the allocation size in case we need a chained run list |
| * when over subscription |
| */ |
| if (*over_subscription) |
| *rlib_size += sizeof(struct pm4_runlist); |
| |
| pr_debug("kfd: runlist ib size %d\n", *rlib_size); |
| } |
| |
| static int pm_allocate_runlist_ib(struct packet_manager *pm, |
| unsigned int **rl_buffer, |
| uint64_t *rl_gpu_buffer, |
| unsigned int *rl_buffer_size, |
| bool *is_over_subscription) |
| { |
| int retval; |
| |
| BUG_ON(!pm); |
| BUG_ON(pm->allocated); |
| BUG_ON(is_over_subscription == NULL); |
| |
| pm_calc_rlib_size(pm, rl_buffer_size, is_over_subscription); |
| |
| retval = kfd_gtt_sa_allocate(pm->dqm->dev, *rl_buffer_size, |
| &pm->ib_buffer_obj); |
| |
| if (retval != 0) { |
| pr_err("kfd: failed to allocate runlist IB\n"); |
| return retval; |
| } |
| |
| *(void **)rl_buffer = pm->ib_buffer_obj->cpu_ptr; |
| *rl_gpu_buffer = pm->ib_buffer_obj->gpu_addr; |
| |
| memset(*rl_buffer, 0, *rl_buffer_size); |
| pm->allocated = true; |
| return retval; |
| } |
| |
| static int pm_create_runlist(struct packet_manager *pm, uint32_t *buffer, |
| uint64_t ib, size_t ib_size_in_dwords, bool chain) |
| { |
| struct pm4_runlist *packet; |
| |
| BUG_ON(!pm || !buffer || !ib); |
| |
| packet = (struct pm4_runlist *)buffer; |
| |
| memset(buffer, 0, sizeof(struct pm4_runlist)); |
| packet->header.u32all = build_pm4_header(IT_RUN_LIST, |
| sizeof(struct pm4_runlist)); |
| |
| packet->bitfields4.ib_size = ib_size_in_dwords; |
| packet->bitfields4.chain = chain ? 1 : 0; |
| packet->bitfields4.offload_polling = 0; |
| packet->bitfields4.valid = 1; |
| packet->ordinal2 = lower_32_bits(ib); |
| packet->bitfields3.ib_base_hi = upper_32_bits(ib); |
| |
| return 0; |
| } |
| |
| static int pm_create_map_process(struct packet_manager *pm, uint32_t *buffer, |
| struct qcm_process_device *qpd) |
| { |
| struct pm4_map_process *packet; |
| struct queue *cur; |
| uint32_t num_queues; |
| |
| BUG_ON(!pm || !buffer || !qpd); |
| |
| packet = (struct pm4_map_process *)buffer; |
| |
| pr_debug("kfd: In func %s\n", __func__); |
| |
| memset(buffer, 0, sizeof(struct pm4_map_process)); |
| |
| packet->header.u32all = build_pm4_header(IT_MAP_PROCESS, |
| sizeof(struct pm4_map_process)); |
| packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0; |
| packet->bitfields2.process_quantum = 1; |
| packet->bitfields2.pasid = qpd->pqm->process->pasid; |
| packet->bitfields3.page_table_base = qpd->page_table_base; |
| packet->bitfields10.gds_size = qpd->gds_size; |
| packet->bitfields10.num_gws = qpd->num_gws; |
| packet->bitfields10.num_oac = qpd->num_oac; |
| num_queues = 0; |
| list_for_each_entry(cur, &qpd->queues_list, list) |
| num_queues++; |
| packet->bitfields10.num_queues = (qpd->is_debug) ? 0 : num_queues; |
| |
| packet->sh_mem_config = qpd->sh_mem_config; |
| packet->sh_mem_bases = qpd->sh_mem_bases; |
| packet->sh_mem_ape1_base = qpd->sh_mem_ape1_base; |
| packet->sh_mem_ape1_limit = qpd->sh_mem_ape1_limit; |
| |
| packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area); |
| packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area); |
| |
| return 0; |
| } |
| |
| static int pm_create_map_queue_vi(struct packet_manager *pm, uint32_t *buffer, |
| struct queue *q, bool is_static) |
| { |
| struct pm4_mes_map_queues *packet; |
| bool use_static = is_static; |
| |
| BUG_ON(!pm || !buffer || !q); |
| |
| pr_debug("kfd: In func %s\n", __func__); |
| |
| packet = (struct pm4_mes_map_queues *)buffer; |
| memset(buffer, 0, sizeof(struct pm4_map_queues)); |
| |
| packet->header.u32all = build_pm4_header(IT_MAP_QUEUES, |
| sizeof(struct pm4_map_queues)); |
| packet->bitfields2.alloc_format = |
| alloc_format__mes_map_queues__one_per_pipe_vi; |
| packet->bitfields2.num_queues = 1; |
| packet->bitfields2.queue_sel = |
| queue_sel__mes_map_queues__map_to_hws_determined_queue_slots_vi; |
| |
| packet->bitfields2.engine_sel = |
| engine_sel__mes_map_queues__compute_vi; |
| packet->bitfields2.queue_type = |
| queue_type__mes_map_queues__normal_compute_vi; |
| |
| switch (q->properties.type) { |
| case KFD_QUEUE_TYPE_COMPUTE: |
| if (use_static) |
| packet->bitfields2.queue_type = |
| queue_type__mes_map_queues__normal_latency_static_queue_vi; |
| break; |
| case KFD_QUEUE_TYPE_DIQ: |
| packet->bitfields2.queue_type = |
| queue_type__mes_map_queues__debug_interface_queue_vi; |
| break; |
| case KFD_QUEUE_TYPE_SDMA: |
| packet->bitfields2.engine_sel = |
| engine_sel__mes_map_queues__sdma0_vi; |
| use_static = false; /* no static queues under SDMA */ |
| break; |
| default: |
| pr_err("kfd: in %s queue type %d\n", __func__, |
| q->properties.type); |
| BUG(); |
| break; |
| } |
| packet->bitfields3.doorbell_offset = |
| q->properties.doorbell_off; |
| |
| packet->mqd_addr_lo = |
| lower_32_bits(q->gart_mqd_addr); |
| |
| packet->mqd_addr_hi = |
| upper_32_bits(q->gart_mqd_addr); |
| |
| packet->wptr_addr_lo = |
| lower_32_bits((uint64_t)q->properties.write_ptr); |
| |
| packet->wptr_addr_hi = |
| upper_32_bits((uint64_t)q->properties.write_ptr); |
| |
| return 0; |
| } |
| |
| static int pm_create_map_queue(struct packet_manager *pm, uint32_t *buffer, |
| struct queue *q, bool is_static) |
| { |
| struct pm4_map_queues *packet; |
| bool use_static = is_static; |
| |
| BUG_ON(!pm || !buffer || !q); |
| |
| pr_debug("kfd: In func %s\n", __func__); |
| |
| packet = (struct pm4_map_queues *)buffer; |
| memset(buffer, 0, sizeof(struct pm4_map_queues)); |
| |
| packet->header.u32all = build_pm4_header(IT_MAP_QUEUES, |
| sizeof(struct pm4_map_queues)); |
| packet->bitfields2.alloc_format = |
| alloc_format__mes_map_queues__one_per_pipe; |
| packet->bitfields2.num_queues = 1; |
| packet->bitfields2.queue_sel = |
| queue_sel__mes_map_queues__map_to_hws_determined_queue_slots; |
| |
| packet->bitfields2.vidmem = (q->properties.is_interop) ? |
| vidmem__mes_map_queues__uses_video_memory : |
| vidmem__mes_map_queues__uses_no_video_memory; |
| |
| switch (q->properties.type) { |
| case KFD_QUEUE_TYPE_COMPUTE: |
| case KFD_QUEUE_TYPE_DIQ: |
| packet->bitfields2.engine_sel = |
| engine_sel__mes_map_queues__compute; |
| break; |
| case KFD_QUEUE_TYPE_SDMA: |
| packet->bitfields2.engine_sel = |
| engine_sel__mes_map_queues__sdma0; |
| use_static = false; /* no static queues under SDMA */ |
| break; |
| default: |
| BUG(); |
| break; |
| } |
| |
| packet->mes_map_queues_ordinals[0].bitfields3.doorbell_offset = |
| q->properties.doorbell_off; |
| |
| packet->mes_map_queues_ordinals[0].bitfields3.is_static = |
| (use_static) ? 1 : 0; |
| |
| packet->mes_map_queues_ordinals[0].mqd_addr_lo = |
| lower_32_bits(q->gart_mqd_addr); |
| |
| packet->mes_map_queues_ordinals[0].mqd_addr_hi = |
| upper_32_bits(q->gart_mqd_addr); |
| |
| packet->mes_map_queues_ordinals[0].wptr_addr_lo = |
| lower_32_bits((uint64_t)q->properties.write_ptr); |
| |
| packet->mes_map_queues_ordinals[0].wptr_addr_hi = |
| upper_32_bits((uint64_t)q->properties.write_ptr); |
| |
| return 0; |
| } |
| |
| static int pm_create_runlist_ib(struct packet_manager *pm, |
| struct list_head *queues, |
| uint64_t *rl_gpu_addr, |
| size_t *rl_size_bytes) |
| { |
| unsigned int alloc_size_bytes; |
| unsigned int *rl_buffer, rl_wptr, i; |
| int retval, proccesses_mapped; |
| struct device_process_node *cur; |
| struct qcm_process_device *qpd; |
| struct queue *q; |
| struct kernel_queue *kq; |
| bool is_over_subscription; |
| |
| BUG_ON(!pm || !queues || !rl_size_bytes || !rl_gpu_addr); |
| |
| rl_wptr = retval = proccesses_mapped = 0; |
| |
| retval = pm_allocate_runlist_ib(pm, &rl_buffer, rl_gpu_addr, |
| &alloc_size_bytes, &is_over_subscription); |
| if (retval != 0) |
| return retval; |
| |
| *rl_size_bytes = alloc_size_bytes; |
| |
| pr_debug("kfd: In func %s\n", __func__); |
| pr_debug("kfd: building runlist ib process count: %d queues count %d\n", |
| pm->dqm->processes_count, pm->dqm->queue_count); |
| |
| /* build the run list ib packet */ |
| list_for_each_entry(cur, queues, list) { |
| qpd = cur->qpd; |
| /* build map process packet */ |
| if (proccesses_mapped >= pm->dqm->processes_count) { |
| pr_debug("kfd: not enough space left in runlist IB\n"); |
| pm_release_ib(pm); |
| return -ENOMEM; |
| } |
| |
| retval = pm_create_map_process(pm, &rl_buffer[rl_wptr], qpd); |
| if (retval != 0) |
| return retval; |
| |
| proccesses_mapped++; |
| inc_wptr(&rl_wptr, sizeof(struct pm4_map_process), |
| alloc_size_bytes); |
| |
| list_for_each_entry(kq, &qpd->priv_queue_list, list) { |
| if (!kq->queue->properties.is_active) |
| continue; |
| |
| pr_debug("kfd: static_queue, mapping kernel q %d, is debug status %d\n", |
| kq->queue->queue, qpd->is_debug); |
| |
| if (pm->dqm->dev->device_info->asic_family == |
| CHIP_CARRIZO) |
| retval = pm_create_map_queue_vi(pm, |
| &rl_buffer[rl_wptr], |
| kq->queue, |
| qpd->is_debug); |
| else |
| retval = pm_create_map_queue(pm, |
| &rl_buffer[rl_wptr], |
| kq->queue, |
| qpd->is_debug); |
| if (retval != 0) |
| return retval; |
| |
| inc_wptr(&rl_wptr, |
| sizeof(struct pm4_map_queues), |
| alloc_size_bytes); |
| } |
| |
| list_for_each_entry(q, &qpd->queues_list, list) { |
| if (!q->properties.is_active) |
| continue; |
| |
| pr_debug("kfd: static_queue, mapping user queue %d, is debug status %d\n", |
| q->queue, qpd->is_debug); |
| |
| if (pm->dqm->dev->device_info->asic_family == |
| CHIP_CARRIZO) |
| retval = pm_create_map_queue_vi(pm, |
| &rl_buffer[rl_wptr], |
| q, |
| qpd->is_debug); |
| else |
| retval = pm_create_map_queue(pm, |
| &rl_buffer[rl_wptr], |
| q, |
| qpd->is_debug); |
| |
| if (retval != 0) |
| return retval; |
| |
| inc_wptr(&rl_wptr, |
| sizeof(struct pm4_map_queues), |
| alloc_size_bytes); |
| } |
| } |
| |
| pr_debug("kfd: finished map process and queues to runlist\n"); |
| |
| if (is_over_subscription) |
| pm_create_runlist(pm, &rl_buffer[rl_wptr], *rl_gpu_addr, |
| alloc_size_bytes / sizeof(uint32_t), true); |
| |
| for (i = 0; i < alloc_size_bytes / sizeof(uint32_t); i++) |
| pr_debug("0x%2X ", rl_buffer[i]); |
| pr_debug("\n"); |
| |
| return 0; |
| } |
| |
| int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm) |
| { |
| BUG_ON(!dqm); |
| |
| pm->dqm = dqm; |
| mutex_init(&pm->lock); |
| pm->priv_queue = kernel_queue_init(dqm->dev, KFD_QUEUE_TYPE_HIQ); |
| if (pm->priv_queue == NULL) { |
| mutex_destroy(&pm->lock); |
| return -ENOMEM; |
| } |
| pm->allocated = false; |
| |
| return 0; |
| } |
| |
| void pm_uninit(struct packet_manager *pm) |
| { |
| BUG_ON(!pm); |
| |
| mutex_destroy(&pm->lock); |
| kernel_queue_uninit(pm->priv_queue); |
| } |
| |
| int pm_send_set_resources(struct packet_manager *pm, |
| struct scheduling_resources *res) |
| { |
| struct pm4_set_resources *packet; |
| |
| BUG_ON(!pm || !res); |
| |
| pr_debug("kfd: In func %s\n", __func__); |
| |
| mutex_lock(&pm->lock); |
| pm->priv_queue->ops.acquire_packet_buffer(pm->priv_queue, |
| sizeof(*packet) / sizeof(uint32_t), |
| (unsigned int **)&packet); |
| if (packet == NULL) { |
| mutex_unlock(&pm->lock); |
| pr_err("kfd: failed to allocate buffer on kernel queue\n"); |
| return -ENOMEM; |
| } |
| |
| memset(packet, 0, sizeof(struct pm4_set_resources)); |
| packet->header.u32all = build_pm4_header(IT_SET_RESOURCES, |
| sizeof(struct pm4_set_resources)); |
| |
| packet->bitfields2.queue_type = |
| queue_type__mes_set_resources__hsa_interface_queue_hiq; |
| packet->bitfields2.vmid_mask = res->vmid_mask; |
| packet->bitfields2.unmap_latency = KFD_UNMAP_LATENCY; |
| packet->bitfields7.oac_mask = res->oac_mask; |
| packet->bitfields8.gds_heap_base = res->gds_heap_base; |
| packet->bitfields8.gds_heap_size = res->gds_heap_size; |
| |
| packet->gws_mask_lo = lower_32_bits(res->gws_mask); |
| packet->gws_mask_hi = upper_32_bits(res->gws_mask); |
| |
| packet->queue_mask_lo = lower_32_bits(res->queue_mask); |
| packet->queue_mask_hi = upper_32_bits(res->queue_mask); |
| |
| pm->priv_queue->ops.submit_packet(pm->priv_queue); |
| |
| mutex_unlock(&pm->lock); |
| |
| return 0; |
| } |
| |
| int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues) |
| { |
| uint64_t rl_gpu_ib_addr; |
| uint32_t *rl_buffer; |
| size_t rl_ib_size, packet_size_dwords; |
| int retval; |
| |
| BUG_ON(!pm || !dqm_queues); |
| |
| retval = pm_create_runlist_ib(pm, dqm_queues, &rl_gpu_ib_addr, |
| &rl_ib_size); |
| if (retval != 0) |
| goto fail_create_runlist_ib; |
| |
| pr_debug("kfd: runlist IB address: 0x%llX\n", rl_gpu_ib_addr); |
| |
| packet_size_dwords = sizeof(struct pm4_runlist) / sizeof(uint32_t); |
| mutex_lock(&pm->lock); |
| |
| retval = pm->priv_queue->ops.acquire_packet_buffer(pm->priv_queue, |
| packet_size_dwords, &rl_buffer); |
| if (retval != 0) |
| goto fail_acquire_packet_buffer; |
| |
| retval = pm_create_runlist(pm, rl_buffer, rl_gpu_ib_addr, |
| rl_ib_size / sizeof(uint32_t), false); |
| if (retval != 0) |
| goto fail_create_runlist; |
| |
| pm->priv_queue->ops.submit_packet(pm->priv_queue); |
| |
| mutex_unlock(&pm->lock); |
| |
| return retval; |
| |
| fail_create_runlist: |
| pm->priv_queue->ops.rollback_packet(pm->priv_queue); |
| fail_acquire_packet_buffer: |
| mutex_unlock(&pm->lock); |
| fail_create_runlist_ib: |
| if (pm->allocated) |
| pm_release_ib(pm); |
| return retval; |
| } |
| |
| int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, |
| uint32_t fence_value) |
| { |
| int retval; |
| struct pm4_query_status *packet; |
| |
| BUG_ON(!pm || !fence_address); |
| |
| mutex_lock(&pm->lock); |
| retval = pm->priv_queue->ops.acquire_packet_buffer( |
| pm->priv_queue, |
| sizeof(struct pm4_query_status) / sizeof(uint32_t), |
| (unsigned int **)&packet); |
| if (retval != 0) |
| goto fail_acquire_packet_buffer; |
| |
| packet->header.u32all = build_pm4_header(IT_QUERY_STATUS, |
| sizeof(struct pm4_query_status)); |
| |
| packet->bitfields2.context_id = 0; |
| packet->bitfields2.interrupt_sel = |
| interrupt_sel__mes_query_status__completion_status; |
| packet->bitfields2.command = |
| command__mes_query_status__fence_only_after_write_ack; |
| |
| packet->addr_hi = upper_32_bits((uint64_t)fence_address); |
| packet->addr_lo = lower_32_bits((uint64_t)fence_address); |
| packet->data_hi = upper_32_bits((uint64_t)fence_value); |
| packet->data_lo = lower_32_bits((uint64_t)fence_value); |
| |
| pm->priv_queue->ops.submit_packet(pm->priv_queue); |
| mutex_unlock(&pm->lock); |
| |
| return 0; |
| |
| fail_acquire_packet_buffer: |
| mutex_unlock(&pm->lock); |
| return retval; |
| } |
| |
| int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, |
| enum kfd_preempt_type_filter mode, |
| uint32_t filter_param, bool reset, |
| unsigned int sdma_engine) |
| { |
| int retval; |
| uint32_t *buffer; |
| struct pm4_unmap_queues *packet; |
| |
| BUG_ON(!pm); |
| |
| mutex_lock(&pm->lock); |
| retval = pm->priv_queue->ops.acquire_packet_buffer( |
| pm->priv_queue, |
| sizeof(struct pm4_unmap_queues) / sizeof(uint32_t), |
| &buffer); |
| if (retval != 0) |
| goto err_acquire_packet_buffer; |
| |
| packet = (struct pm4_unmap_queues *)buffer; |
| memset(buffer, 0, sizeof(struct pm4_unmap_queues)); |
| pr_debug("kfd: static_queue: unmapping queues: mode is %d , reset is %d , type is %d\n", |
| mode, reset, type); |
| packet->header.u32all = build_pm4_header(IT_UNMAP_QUEUES, |
| sizeof(struct pm4_unmap_queues)); |
| switch (type) { |
| case KFD_QUEUE_TYPE_COMPUTE: |
| case KFD_QUEUE_TYPE_DIQ: |
| packet->bitfields2.engine_sel = |
| engine_sel__mes_unmap_queues__compute; |
| break; |
| case KFD_QUEUE_TYPE_SDMA: |
| packet->bitfields2.engine_sel = |
| engine_sel__mes_unmap_queues__sdma0 + sdma_engine; |
| break; |
| default: |
| BUG(); |
| break; |
| } |
| |
| if (reset) |
| packet->bitfields2.action = |
| action__mes_unmap_queues__reset_queues; |
| else |
| packet->bitfields2.action = |
| action__mes_unmap_queues__preempt_queues; |
| |
| switch (mode) { |
| case KFD_PREEMPT_TYPE_FILTER_SINGLE_QUEUE: |
| packet->bitfields2.queue_sel = |
| queue_sel__mes_unmap_queues__perform_request_on_specified_queues; |
| packet->bitfields2.num_queues = 1; |
| packet->bitfields3b.doorbell_offset0 = filter_param; |
| break; |
| case KFD_PREEMPT_TYPE_FILTER_BY_PASID: |
| packet->bitfields2.queue_sel = |
| queue_sel__mes_unmap_queues__perform_request_on_pasid_queues; |
| packet->bitfields3a.pasid = filter_param; |
| break; |
| case KFD_PREEMPT_TYPE_FILTER_ALL_QUEUES: |
| packet->bitfields2.queue_sel = |
| queue_sel__mes_unmap_queues__perform_request_on_all_active_queues; |
| break; |
| case KFD_PREEMPT_TYPE_FILTER_DYNAMIC_QUEUES: |
| /* in this case, we do not preempt static queues */ |
| packet->bitfields2.queue_sel = |
| queue_sel__mes_unmap_queues__perform_request_on_dynamic_queues_only; |
| break; |
| default: |
| BUG(); |
| break; |
| } |
| |
| pm->priv_queue->ops.submit_packet(pm->priv_queue); |
| |
| mutex_unlock(&pm->lock); |
| return 0; |
| |
| err_acquire_packet_buffer: |
| mutex_unlock(&pm->lock); |
| return retval; |
| } |
| |
| void pm_release_ib(struct packet_manager *pm) |
| { |
| BUG_ON(!pm); |
| |
| mutex_lock(&pm->lock); |
| if (pm->allocated) { |
| kfd_gtt_sa_free(pm->dqm->dev, pm->ib_buffer_obj); |
| pm->allocated = false; |
| } |
| mutex_unlock(&pm->lock); |
| } |