diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c | 392 |
1 files changed, 80 insertions, 312 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c index 89ba4c670ec58..c317feb43f69d 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c @@ -26,8 +26,6 @@ #include "kfd_device_queue_manager.h" #include "kfd_kernel_queue.h" #include "kfd_priv.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) @@ -39,18 +37,6 @@ static inline void inc_wptr(unsigned int *wptr, unsigned int increment_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 / 4 - 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) @@ -80,9 +66,9 @@ static void pm_calc_rlib_size(struct packet_manager *pm, pr_debug("Over subscribed runlist\n"); } - map_queue_size = sizeof(struct pm4_mes_map_queues); + map_queue_size = pm->pmf->map_queues_size; /* calculate run list ib allocation size */ - *rlib_size = process_count * sizeof(struct pm4_mes_map_process) + + *rlib_size = process_count * pm->pmf->map_process_size + queue_count * map_queue_size; /* @@ -90,7 +76,7 @@ static void pm_calc_rlib_size(struct packet_manager *pm, * when over subscription */ if (*over_subscription) - *rlib_size += sizeof(struct pm4_mes_runlist); + *rlib_size += pm->pmf->runlist_size; pr_debug("runlist ib size %d\n", *rlib_size); } @@ -108,12 +94,14 @@ static int pm_allocate_runlist_ib(struct packet_manager *pm, pm_calc_rlib_size(pm, rl_buffer_size, is_over_subscription); + mutex_lock(&pm->lock); + retval = kfd_gtt_sa_allocate(pm->dqm->dev, *rl_buffer_size, &pm->ib_buffer_obj); if (retval) { pr_err("Failed to allocate runlist IB\n"); - return retval; + goto out; } *(void **)rl_buffer = pm->ib_buffer_obj->cpu_ptr; @@ -121,138 +109,10 @@ static int pm_allocate_runlist_ib(struct packet_manager *pm, 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_mes_runlist *packet; - int concurrent_proc_cnt = 0; - struct kfd_dev *kfd = pm->dqm->dev; - - if (WARN_ON(!ib)) - return -EFAULT; - - /* Determine the number of processes to map together to HW: - * it can not exceed the number of VMIDs available to the - * scheduler, and it is determined by the smaller of the number - * of processes in the runlist and kfd module parameter - * hws_max_conc_proc. - * Note: the arbitration between the number of VMIDs and - * hws_max_conc_proc has been done in - * kgd2kfd_device_init(). - */ - concurrent_proc_cnt = min(pm->dqm->processes_count, - kfd->max_proc_per_quantum); - - packet = (struct pm4_mes_runlist *)buffer; - - memset(buffer, 0, sizeof(struct pm4_mes_runlist)); - packet->header.u32All = build_pm4_header(IT_RUN_LIST, - sizeof(struct pm4_mes_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->bitfields4.process_cnt = concurrent_proc_cnt; - 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_mes_map_process *packet; - - packet = (struct pm4_mes_map_process *)buffer; - memset(buffer, 0, sizeof(struct pm4_mes_map_process)); - - packet->header.u32All = build_pm4_header(IT_MAP_PROCESS, - sizeof(struct pm4_mes_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; - packet->bitfields10.num_queues = (qpd->is_debug) ? 0 : qpd->queue_count; - - 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->sh_hidden_private_base_vmid = qpd->sh_hidden_private_base; - - 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(struct packet_manager *pm, uint32_t *buffer, - struct queue *q, bool is_static) -{ - struct pm4_mes_map_queues *packet; - bool use_static = is_static; - - packet = (struct pm4_mes_map_queues *)buffer; - memset(buffer, 0, sizeof(struct pm4_mes_map_queues)); - - packet->header.u32All = build_pm4_header(IT_MAP_QUEUES, - sizeof(struct pm4_mes_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 = q->properties.sdma_engine_id + - engine_sel__mes_map_queues__sdma0_vi; - use_static = false; /* no static queues under SDMA */ - break; - default: - WARN(1, "queue type %d", q->properties.type); - return -EINVAL; - } - 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; +out: + mutex_unlock(&pm->lock); + return retval; } static int pm_create_runlist_ib(struct packet_manager *pm, @@ -292,12 +152,12 @@ static int pm_create_runlist_ib(struct packet_manager *pm, return -ENOMEM; } - retval = pm_create_map_process(pm, &rl_buffer[rl_wptr], qpd); + retval = pm->pmf->map_process(pm, &rl_buffer[rl_wptr], qpd); if (retval) return retval; proccesses_mapped++; - inc_wptr(&rl_wptr, sizeof(struct pm4_mes_map_process), + inc_wptr(&rl_wptr, pm->pmf->map_process_size, alloc_size_bytes); list_for_each_entry(kq, &qpd->priv_queue_list, list) { @@ -307,7 +167,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm, pr_debug("static_queue, mapping kernel q %d, is debug status %d\n", kq->queue->queue, qpd->is_debug); - retval = pm_create_map_queue(pm, + retval = pm->pmf->map_queues(pm, &rl_buffer[rl_wptr], kq->queue, qpd->is_debug); @@ -315,7 +175,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm, return retval; inc_wptr(&rl_wptr, - sizeof(struct pm4_mes_map_queues), + pm->pmf->map_queues_size, alloc_size_bytes); } @@ -326,7 +186,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm, pr_debug("static_queue, mapping user queue %d, is debug status %d\n", q->queue, qpd->is_debug); - retval = pm_create_map_queue(pm, + retval = pm->pmf->map_queues(pm, &rl_buffer[rl_wptr], q, qpd->is_debug); @@ -335,7 +195,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm, return retval; inc_wptr(&rl_wptr, - sizeof(struct pm4_mes_map_queues), + pm->pmf->map_queues_size, alloc_size_bytes); } } @@ -343,7 +203,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm, pr_debug("Finished map process and queues to runlist\n"); if (is_over_subscription) - retval = pm_create_runlist(pm, &rl_buffer[rl_wptr], + retval = pm->pmf->runlist(pm, &rl_buffer[rl_wptr], *rl_gpu_addr, alloc_size_bytes / sizeof(uint32_t), true); @@ -355,45 +215,29 @@ static int pm_create_runlist_ib(struct packet_manager *pm, return retval; } -/* pm_create_release_mem - Create a RELEASE_MEM packet and return the size - * of this packet - * @gpu_addr - GPU address of the packet. It's a virtual address. - * @buffer - buffer to fill up with the packet. It's a CPU kernel pointer - * Return - length of the packet - */ -uint32_t pm_create_release_mem(uint64_t gpu_addr, uint32_t *buffer) -{ - struct pm4_mec_release_mem *packet; - - WARN_ON(!buffer); - - packet = (struct pm4_mec_release_mem *)buffer; - memset(buffer, 0, sizeof(*packet)); - - packet->header.u32All = build_pm4_header(IT_RELEASE_MEM, - sizeof(*packet)); - - packet->bitfields2.event_type = CACHE_FLUSH_AND_INV_TS_EVENT; - packet->bitfields2.event_index = event_index___release_mem__end_of_pipe; - packet->bitfields2.tcl1_action_ena = 1; - packet->bitfields2.tc_action_ena = 1; - packet->bitfields2.cache_policy = cache_policy___release_mem__lru; - packet->bitfields2.atc = 0; - - packet->bitfields3.data_sel = data_sel___release_mem__send_32_bit_low; - packet->bitfields3.int_sel = - int_sel___release_mem__send_interrupt_after_write_confirm; - - packet->bitfields4.address_lo_32b = (gpu_addr & 0xffffffff) >> 2; - packet->address_hi = upper_32_bits(gpu_addr); - - packet->data_lo = 0; - - return sizeof(*packet) / sizeof(unsigned int); -} - int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm) { + switch (dqm->dev->device_info->asic_family) { + case CHIP_KAVERI: + case CHIP_HAWAII: + /* PM4 packet structures on CIK are the same as on VI */ + case CHIP_CARRIZO: + case CHIP_TONGA: + case CHIP_FIJI: + case CHIP_POLARIS10: + case CHIP_POLARIS11: + pm->pmf = &kfd_vi_pm_funcs; + break; + case CHIP_VEGA10: + case CHIP_RAVEN: + pm->pmf = &kfd_v9_pm_funcs; + break; + default: + WARN(1, "Unexpected ASIC family %u", + dqm->dev->device_info->asic_family); + return -EINVAL; + } + pm->dqm = dqm; mutex_init(&pm->lock); pm->priv_queue = kernel_queue_init(dqm->dev, KFD_QUEUE_TYPE_HIQ); @@ -415,38 +259,25 @@ void pm_uninit(struct packet_manager *pm) int pm_send_set_resources(struct packet_manager *pm, struct scheduling_resources *res) { - struct pm4_mes_set_resources *packet; + uint32_t *buffer, size; int retval = 0; + size = pm->pmf->set_resources_size; mutex_lock(&pm->lock); pm->priv_queue->ops.acquire_packet_buffer(pm->priv_queue, - sizeof(*packet) / sizeof(uint32_t), - (unsigned int **)&packet); - if (!packet) { + size / sizeof(uint32_t), + (unsigned int **)&buffer); + if (!buffer) { pr_err("Failed to allocate buffer on kernel queue\n"); retval = -ENOMEM; goto out; } - memset(packet, 0, sizeof(struct pm4_mes_set_resources)); - packet->header.u32All = build_pm4_header(IT_SET_RESOURCES, - sizeof(struct pm4_mes_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_MS / 100; - 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); + retval = pm->pmf->set_resources(pm, buffer, res); + if (!retval) + pm->priv_queue->ops.submit_packet(pm->priv_queue); + else + pm->priv_queue->ops.rollback_packet(pm->priv_queue); out: mutex_unlock(&pm->lock); @@ -468,7 +299,7 @@ int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues) pr_debug("runlist IB address: 0x%llX\n", rl_gpu_ib_addr); - packet_size_dwords = sizeof(struct pm4_mes_runlist) / sizeof(uint32_t); + packet_size_dwords = pm->pmf->runlist_size / sizeof(uint32_t); mutex_lock(&pm->lock); retval = pm->priv_queue->ops.acquire_packet_buffer(pm->priv_queue, @@ -476,7 +307,7 @@ int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues) if (retval) goto fail_acquire_packet_buffer; - retval = pm_create_runlist(pm, rl_buffer, rl_gpu_ib_addr, + retval = pm->pmf->runlist(pm, rl_buffer, rl_gpu_ib_addr, rl_ib_size / sizeof(uint32_t), false); if (retval) goto fail_create_runlist; @@ -499,37 +330,29 @@ fail_create_runlist_ib: int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, uint32_t fence_value) { - int retval; - struct pm4_mes_query_status *packet; + uint32_t *buffer, size; + int retval = 0; if (WARN_ON(!fence_address)) return -EFAULT; + size = pm->pmf->query_status_size; mutex_lock(&pm->lock); - retval = pm->priv_queue->ops.acquire_packet_buffer( - pm->priv_queue, - sizeof(struct pm4_mes_query_status) / sizeof(uint32_t), - (unsigned int **)&packet); - if (retval) - goto fail_acquire_packet_buffer; - - packet->header.u32All = build_pm4_header(IT_QUERY_STATUS, - sizeof(struct pm4_mes_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.acquire_packet_buffer(pm->priv_queue, + size / sizeof(uint32_t), (unsigned int **)&buffer); + if (!buffer) { + pr_err("Failed to allocate buffer on kernel queue\n"); + retval = -ENOMEM; + goto out; + } - pm->priv_queue->ops.submit_packet(pm->priv_queue); + retval = pm->pmf->query_status(pm, buffer, fence_address, fence_value); + if (!retval) + pm->priv_queue->ops.submit_packet(pm->priv_queue); + else + pm->priv_queue->ops.rollback_packet(pm->priv_queue); -fail_acquire_packet_buffer: +out: mutex_unlock(&pm->lock); return retval; } @@ -539,82 +362,27 @@ int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, uint32_t filter_param, bool reset, unsigned int sdma_engine) { - int retval; - uint32_t *buffer; - struct pm4_mes_unmap_queues *packet; + uint32_t *buffer, size; + int retval = 0; + size = pm->pmf->unmap_queues_size; mutex_lock(&pm->lock); - retval = pm->priv_queue->ops.acquire_packet_buffer( - pm->priv_queue, - sizeof(struct pm4_mes_unmap_queues) / sizeof(uint32_t), - &buffer); - if (retval) - goto err_acquire_packet_buffer; - - packet = (struct pm4_mes_unmap_queues *)buffer; - memset(buffer, 0, sizeof(struct pm4_mes_unmap_queues)); - pr_debug("static_queue: unmapping queues: filter is %d , reset is %d , type is %d\n", - filter, reset, type); - packet->header.u32All = build_pm4_header(IT_UNMAP_QUEUES, - sizeof(struct pm4_mes_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: - WARN(1, "queue type %d", type); - retval = -EINVAL; - goto err_invalid; + pm->priv_queue->ops.acquire_packet_buffer(pm->priv_queue, + size / sizeof(uint32_t), (unsigned int **)&buffer); + if (!buffer) { + pr_err("Failed to allocate buffer on kernel queue\n"); + retval = -ENOMEM; + goto out; } - if (reset) - packet->bitfields2.action = - action__mes_unmap_queues__reset_queues; + retval = pm->pmf->unmap_queues(pm, buffer, type, filter, filter_param, + reset, sdma_engine); + if (!retval) + pm->priv_queue->ops.submit_packet(pm->priv_queue); else - packet->bitfields2.action = - action__mes_unmap_queues__preempt_queues; - - switch (filter) { - case KFD_UNMAP_QUEUES_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_UNMAP_QUEUES_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_UNMAP_QUEUES_FILTER_ALL_QUEUES: - packet->bitfields2.queue_sel = - queue_sel__mes_unmap_queues__unmap_all_queues; - break; - case KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES: - /* in this case, we do not preempt static queues */ - packet->bitfields2.queue_sel = - queue_sel__mes_unmap_queues__unmap_all_non_static_queues; - break; - default: - WARN(1, "filter %d", filter); - retval = -EINVAL; - goto err_invalid; - } + pm->priv_queue->ops.rollback_packet(pm->priv_queue); - pm->priv_queue->ops.submit_packet(pm->priv_queue); - - mutex_unlock(&pm->lock); - return 0; - -err_invalid: - pm->priv_queue->ops.rollback_packet(pm->priv_queue); -err_acquire_packet_buffer: +out: mutex_unlock(&pm->lock); return retval; } |