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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c1425
1 files changed, 1425 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
new file mode 100644
index 000000000000..0c546245793b
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
@@ -0,0 +1,1425 @@
+/*
+ * Copyright 2019 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 "amdgpu_mes.h"
+#include "amdgpu.h"
+#include "soc15_common.h"
+#include "amdgpu_mes_ctx.h"
+
+#define AMDGPU_MES_MAX_NUM_OF_QUEUES_PER_PROCESS 1024
+#define AMDGPU_ONE_DOORBELL_SIZE 8
+
+int amdgpu_mes_doorbell_process_slice(struct amdgpu_device *adev)
+{
+ return roundup(AMDGPU_ONE_DOORBELL_SIZE *
+ AMDGPU_MES_MAX_NUM_OF_QUEUES_PER_PROCESS,
+ PAGE_SIZE);
+}
+
+int amdgpu_mes_alloc_process_doorbells(struct amdgpu_device *adev,
+ unsigned int *doorbell_index)
+{
+ int r = ida_simple_get(&adev->mes.doorbell_ida, 2,
+ adev->mes.max_doorbell_slices,
+ GFP_KERNEL);
+ if (r > 0)
+ *doorbell_index = r;
+
+ return r;
+}
+
+void amdgpu_mes_free_process_doorbells(struct amdgpu_device *adev,
+ unsigned int doorbell_index)
+{
+ if (doorbell_index)
+ ida_simple_remove(&adev->mes.doorbell_ida, doorbell_index);
+}
+
+unsigned int amdgpu_mes_get_doorbell_dw_offset_in_bar(
+ struct amdgpu_device *adev,
+ uint32_t doorbell_index,
+ unsigned int doorbell_id)
+{
+ return ((doorbell_index *
+ amdgpu_mes_doorbell_process_slice(adev)) / sizeof(u32) +
+ doorbell_id * 2);
+}
+
+static int amdgpu_mes_queue_doorbell_get(struct amdgpu_device *adev,
+ struct amdgpu_mes_process *process,
+ int ip_type, uint64_t *doorbell_index)
+{
+ unsigned int offset, found;
+
+ if (ip_type == AMDGPU_RING_TYPE_SDMA) {
+ offset = adev->doorbell_index.sdma_engine[0];
+ found = find_next_zero_bit(process->doorbell_bitmap,
+ AMDGPU_MES_MAX_NUM_OF_QUEUES_PER_PROCESS,
+ offset);
+ } else {
+ found = find_first_zero_bit(process->doorbell_bitmap,
+ AMDGPU_MES_MAX_NUM_OF_QUEUES_PER_PROCESS);
+ }
+
+ if (found >= AMDGPU_MES_MAX_NUM_OF_QUEUES_PER_PROCESS) {
+ DRM_WARN("No doorbell available\n");
+ return -ENOSPC;
+ }
+
+ set_bit(found, process->doorbell_bitmap);
+
+ *doorbell_index = amdgpu_mes_get_doorbell_dw_offset_in_bar(adev,
+ process->doorbell_index, found);
+
+ return 0;
+}
+
+static void amdgpu_mes_queue_doorbell_free(struct amdgpu_device *adev,
+ struct amdgpu_mes_process *process,
+ uint32_t doorbell_index)
+{
+ unsigned int old, doorbell_id;
+
+ doorbell_id = doorbell_index -
+ (process->doorbell_index *
+ amdgpu_mes_doorbell_process_slice(adev)) / sizeof(u32);
+ doorbell_id /= 2;
+
+ old = test_and_clear_bit(doorbell_id, process->doorbell_bitmap);
+ WARN_ON(!old);
+}
+
+static int amdgpu_mes_doorbell_init(struct amdgpu_device *adev)
+{
+ size_t doorbell_start_offset;
+ size_t doorbell_aperture_size;
+ size_t doorbell_process_limit;
+ size_t aggregated_doorbell_start;
+ int i;
+
+ aggregated_doorbell_start = (adev->doorbell_index.max_assignment + 1) * sizeof(u32);
+ aggregated_doorbell_start =
+ roundup(aggregated_doorbell_start, PAGE_SIZE);
+
+ doorbell_start_offset = aggregated_doorbell_start + PAGE_SIZE;
+ doorbell_start_offset =
+ roundup(doorbell_start_offset,
+ amdgpu_mes_doorbell_process_slice(adev));
+
+ doorbell_aperture_size = adev->doorbell.size;
+ doorbell_aperture_size =
+ rounddown(doorbell_aperture_size,
+ amdgpu_mes_doorbell_process_slice(adev));
+
+ if (doorbell_aperture_size > doorbell_start_offset)
+ doorbell_process_limit =
+ (doorbell_aperture_size - doorbell_start_offset) /
+ amdgpu_mes_doorbell_process_slice(adev);
+ else
+ return -ENOSPC;
+
+ adev->mes.doorbell_id_offset = doorbell_start_offset / sizeof(u32);
+ adev->mes.max_doorbell_slices = doorbell_process_limit;
+
+ /* allocate Qword range for aggregated doorbell */
+ for (i = 0; i < AMDGPU_MES_PRIORITY_NUM_LEVELS; i++)
+ adev->mes.aggregated_doorbells[i] =
+ aggregated_doorbell_start / sizeof(u32) + i * 2;
+
+ DRM_INFO("max_doorbell_slices=%zu\n", doorbell_process_limit);
+ return 0;
+}
+
+int amdgpu_mes_init(struct amdgpu_device *adev)
+{
+ int i, r;
+
+ adev->mes.adev = adev;
+
+ idr_init(&adev->mes.pasid_idr);
+ idr_init(&adev->mes.gang_id_idr);
+ idr_init(&adev->mes.queue_id_idr);
+ ida_init(&adev->mes.doorbell_ida);
+ spin_lock_init(&adev->mes.queue_id_lock);
+ spin_lock_init(&adev->mes.ring_lock);
+ mutex_init(&adev->mes.mutex_hidden);
+
+ adev->mes.total_max_queue = AMDGPU_FENCE_MES_QUEUE_ID_MASK;
+ adev->mes.vmid_mask_mmhub = 0xffffff00;
+ adev->mes.vmid_mask_gfxhub = 0xffffff00;
+
+ for (i = 0; i < AMDGPU_MES_MAX_COMPUTE_PIPES; i++) {
+ /* use only 1st MEC pipes */
+ if (i >= 4)
+ continue;
+ adev->mes.compute_hqd_mask[i] = 0xc;
+ }
+
+ for (i = 0; i < AMDGPU_MES_MAX_GFX_PIPES; i++)
+ adev->mes.gfx_hqd_mask[i] = i ? 0 : 0xfffffffe;
+
+ for (i = 0; i < AMDGPU_MES_MAX_SDMA_PIPES; i++) {
+ if (adev->ip_versions[SDMA0_HWIP][0] < IP_VERSION(6, 0, 0))
+ adev->mes.sdma_hqd_mask[i] = i ? 0 : 0x3fc;
+ /* zero sdma_hqd_mask for non-existent engine */
+ else if (adev->sdma.num_instances == 1)
+ adev->mes.sdma_hqd_mask[i] = i ? 0 : 0xfc;
+ else
+ adev->mes.sdma_hqd_mask[i] = 0xfc;
+ }
+
+ r = amdgpu_device_wb_get(adev, &adev->mes.sch_ctx_offs);
+ if (r) {
+ dev_err(adev->dev,
+ "(%d) ring trail_fence_offs wb alloc failed\n", r);
+ goto error_ids;
+ }
+ adev->mes.sch_ctx_gpu_addr =
+ adev->wb.gpu_addr + (adev->mes.sch_ctx_offs * 4);
+ adev->mes.sch_ctx_ptr =
+ (uint64_t *)&adev->wb.wb[adev->mes.sch_ctx_offs];
+
+ r = amdgpu_device_wb_get(adev, &adev->mes.query_status_fence_offs);
+ if (r) {
+ amdgpu_device_wb_free(adev, adev->mes.sch_ctx_offs);
+ dev_err(adev->dev,
+ "(%d) query_status_fence_offs wb alloc failed\n", r);
+ goto error_ids;
+ }
+ adev->mes.query_status_fence_gpu_addr =
+ adev->wb.gpu_addr + (adev->mes.query_status_fence_offs * 4);
+ adev->mes.query_status_fence_ptr =
+ (uint64_t *)&adev->wb.wb[adev->mes.query_status_fence_offs];
+
+ r = amdgpu_device_wb_get(adev, &adev->mes.read_val_offs);
+ if (r) {
+ amdgpu_device_wb_free(adev, adev->mes.sch_ctx_offs);
+ amdgpu_device_wb_free(adev, adev->mes.query_status_fence_offs);
+ dev_err(adev->dev,
+ "(%d) read_val_offs alloc failed\n", r);
+ goto error_ids;
+ }
+ adev->mes.read_val_gpu_addr =
+ adev->wb.gpu_addr + (adev->mes.read_val_offs * 4);
+ adev->mes.read_val_ptr =
+ (uint32_t *)&adev->wb.wb[adev->mes.read_val_offs];
+
+ r = amdgpu_mes_doorbell_init(adev);
+ if (r)
+ goto error;
+
+ return 0;
+
+error:
+ amdgpu_device_wb_free(adev, adev->mes.sch_ctx_offs);
+ amdgpu_device_wb_free(adev, adev->mes.query_status_fence_offs);
+ amdgpu_device_wb_free(adev, adev->mes.read_val_offs);
+error_ids:
+ idr_destroy(&adev->mes.pasid_idr);
+ idr_destroy(&adev->mes.gang_id_idr);
+ idr_destroy(&adev->mes.queue_id_idr);
+ ida_destroy(&adev->mes.doorbell_ida);
+ mutex_destroy(&adev->mes.mutex_hidden);
+ return r;
+}
+
+void amdgpu_mes_fini(struct amdgpu_device *adev)
+{
+ amdgpu_device_wb_free(adev, adev->mes.sch_ctx_offs);
+ amdgpu_device_wb_free(adev, adev->mes.query_status_fence_offs);
+ amdgpu_device_wb_free(adev, adev->mes.read_val_offs);
+
+ idr_destroy(&adev->mes.pasid_idr);
+ idr_destroy(&adev->mes.gang_id_idr);
+ idr_destroy(&adev->mes.queue_id_idr);
+ ida_destroy(&adev->mes.doorbell_ida);
+ mutex_destroy(&adev->mes.mutex_hidden);
+}
+
+static void amdgpu_mes_queue_free_mqd(struct amdgpu_mes_queue *q)
+{
+ amdgpu_bo_free_kernel(&q->mqd_obj,
+ &q->mqd_gpu_addr,
+ &q->mqd_cpu_ptr);
+}
+
+int amdgpu_mes_create_process(struct amdgpu_device *adev, int pasid,
+ struct amdgpu_vm *vm)
+{
+ struct amdgpu_mes_process *process;
+ int r;
+
+ /* allocate the mes process buffer */
+ process = kzalloc(sizeof(struct amdgpu_mes_process), GFP_KERNEL);
+ if (!process) {
+ DRM_ERROR("no more memory to create mes process\n");
+ return -ENOMEM;
+ }
+
+ process->doorbell_bitmap =
+ kzalloc(DIV_ROUND_UP(AMDGPU_MES_MAX_NUM_OF_QUEUES_PER_PROCESS,
+ BITS_PER_BYTE), GFP_KERNEL);
+ if (!process->doorbell_bitmap) {
+ DRM_ERROR("failed to allocate doorbell bitmap\n");
+ kfree(process);
+ return -ENOMEM;
+ }
+
+ /* allocate the process context bo and map it */
+ r = amdgpu_bo_create_kernel(adev, AMDGPU_MES_PROC_CTX_SIZE, PAGE_SIZE,
+ AMDGPU_GEM_DOMAIN_GTT,
+ &process->proc_ctx_bo,
+ &process->proc_ctx_gpu_addr,
+ &process->proc_ctx_cpu_ptr);
+ if (r) {
+ DRM_ERROR("failed to allocate process context bo\n");
+ goto clean_up_memory;
+ }
+ memset(process->proc_ctx_cpu_ptr, 0, AMDGPU_MES_PROC_CTX_SIZE);
+
+ /*
+ * Avoid taking any other locks under MES lock to avoid circular
+ * lock dependencies.
+ */
+ amdgpu_mes_lock(&adev->mes);
+
+ /* add the mes process to idr list */
+ r = idr_alloc(&adev->mes.pasid_idr, process, pasid, pasid + 1,
+ GFP_KERNEL);
+ if (r < 0) {
+ DRM_ERROR("failed to lock pasid=%d\n", pasid);
+ goto clean_up_ctx;
+ }
+
+ /* allocate the starting doorbell index of the process */
+ r = amdgpu_mes_alloc_process_doorbells(adev, &process->doorbell_index);
+ if (r < 0) {
+ DRM_ERROR("failed to allocate doorbell for process\n");
+ goto clean_up_pasid;
+ }
+
+ DRM_DEBUG("process doorbell index = %d\n", process->doorbell_index);
+
+ INIT_LIST_HEAD(&process->gang_list);
+ process->vm = vm;
+ process->pasid = pasid;
+ process->process_quantum = adev->mes.default_process_quantum;
+ process->pd_gpu_addr = amdgpu_bo_gpu_offset(vm->root.bo);
+
+ amdgpu_mes_unlock(&adev->mes);
+ return 0;
+
+clean_up_pasid:
+ idr_remove(&adev->mes.pasid_idr, pasid);
+ amdgpu_mes_unlock(&adev->mes);
+clean_up_ctx:
+ amdgpu_bo_free_kernel(&process->proc_ctx_bo,
+ &process->proc_ctx_gpu_addr,
+ &process->proc_ctx_cpu_ptr);
+clean_up_memory:
+ kfree(process->doorbell_bitmap);
+ kfree(process);
+ return r;
+}
+
+void amdgpu_mes_destroy_process(struct amdgpu_device *adev, int pasid)
+{
+ struct amdgpu_mes_process *process;
+ struct amdgpu_mes_gang *gang, *tmp1;
+ struct amdgpu_mes_queue *queue, *tmp2;
+ struct mes_remove_queue_input queue_input;
+ unsigned long flags;
+ int r;
+
+ /*
+ * Avoid taking any other locks under MES lock to avoid circular
+ * lock dependencies.
+ */
+ amdgpu_mes_lock(&adev->mes);
+
+ process = idr_find(&adev->mes.pasid_idr, pasid);
+ if (!process) {
+ DRM_WARN("pasid %d doesn't exist\n", pasid);
+ amdgpu_mes_unlock(&adev->mes);
+ return;
+ }
+
+ /* Remove all queues from hardware */
+ list_for_each_entry_safe(gang, tmp1, &process->gang_list, list) {
+ list_for_each_entry_safe(queue, tmp2, &gang->queue_list, list) {
+ spin_lock_irqsave(&adev->mes.queue_id_lock, flags);
+ idr_remove(&adev->mes.queue_id_idr, queue->queue_id);
+ spin_unlock_irqrestore(&adev->mes.queue_id_lock, flags);
+
+ queue_input.doorbell_offset = queue->doorbell_off;
+ queue_input.gang_context_addr = gang->gang_ctx_gpu_addr;
+
+ r = adev->mes.funcs->remove_hw_queue(&adev->mes,
+ &queue_input);
+ if (r)
+ DRM_WARN("failed to remove hardware queue\n");
+ }
+
+ idr_remove(&adev->mes.gang_id_idr, gang->gang_id);
+ }
+
+ amdgpu_mes_free_process_doorbells(adev, process->doorbell_index);
+ idr_remove(&adev->mes.pasid_idr, pasid);
+ amdgpu_mes_unlock(&adev->mes);
+
+ /* free all memory allocated by the process */
+ list_for_each_entry_safe(gang, tmp1, &process->gang_list, list) {
+ /* free all queues in the gang */
+ list_for_each_entry_safe(queue, tmp2, &gang->queue_list, list) {
+ amdgpu_mes_queue_free_mqd(queue);
+ list_del(&queue->list);
+ kfree(queue);
+ }
+ amdgpu_bo_free_kernel(&gang->gang_ctx_bo,
+ &gang->gang_ctx_gpu_addr,
+ &gang->gang_ctx_cpu_ptr);
+ list_del(&gang->list);
+ kfree(gang);
+
+ }
+ amdgpu_bo_free_kernel(&process->proc_ctx_bo,
+ &process->proc_ctx_gpu_addr,
+ &process->proc_ctx_cpu_ptr);
+ kfree(process->doorbell_bitmap);
+ kfree(process);
+}
+
+int amdgpu_mes_add_gang(struct amdgpu_device *adev, int pasid,
+ struct amdgpu_mes_gang_properties *gprops,
+ int *gang_id)
+{
+ struct amdgpu_mes_process *process;
+ struct amdgpu_mes_gang *gang;
+ int r;
+
+ /* allocate the mes gang buffer */
+ gang = kzalloc(sizeof(struct amdgpu_mes_gang), GFP_KERNEL);
+ if (!gang) {
+ return -ENOMEM;
+ }
+
+ /* allocate the gang context bo and map it to cpu space */
+ r = amdgpu_bo_create_kernel(adev, AMDGPU_MES_GANG_CTX_SIZE, PAGE_SIZE,
+ AMDGPU_GEM_DOMAIN_GTT,
+ &gang->gang_ctx_bo,
+ &gang->gang_ctx_gpu_addr,
+ &gang->gang_ctx_cpu_ptr);
+ if (r) {
+ DRM_ERROR("failed to allocate process context bo\n");
+ goto clean_up_mem;
+ }
+ memset(gang->gang_ctx_cpu_ptr, 0, AMDGPU_MES_GANG_CTX_SIZE);
+
+ /*
+ * Avoid taking any other locks under MES lock to avoid circular
+ * lock dependencies.
+ */
+ amdgpu_mes_lock(&adev->mes);
+
+ process = idr_find(&adev->mes.pasid_idr, pasid);
+ if (!process) {
+ DRM_ERROR("pasid %d doesn't exist\n", pasid);
+ r = -EINVAL;
+ goto clean_up_ctx;
+ }
+
+ /* add the mes gang to idr list */
+ r = idr_alloc(&adev->mes.gang_id_idr, gang, 1, 0,
+ GFP_KERNEL);
+ if (r < 0) {
+ DRM_ERROR("failed to allocate idr for gang\n");
+ goto clean_up_ctx;
+ }
+
+ gang->gang_id = r;
+ *gang_id = r;
+
+ INIT_LIST_HEAD(&gang->queue_list);
+ gang->process = process;
+ gang->priority = gprops->priority;
+ gang->gang_quantum = gprops->gang_quantum ?
+ gprops->gang_quantum : adev->mes.default_gang_quantum;
+ gang->global_priority_level = gprops->global_priority_level;
+ gang->inprocess_gang_priority = gprops->inprocess_gang_priority;
+ list_add_tail(&gang->list, &process->gang_list);
+
+ amdgpu_mes_unlock(&adev->mes);
+ return 0;
+
+clean_up_ctx:
+ amdgpu_mes_unlock(&adev->mes);
+ amdgpu_bo_free_kernel(&gang->gang_ctx_bo,
+ &gang->gang_ctx_gpu_addr,
+ &gang->gang_ctx_cpu_ptr);
+clean_up_mem:
+ kfree(gang);
+ return r;
+}
+
+int amdgpu_mes_remove_gang(struct amdgpu_device *adev, int gang_id)
+{
+ struct amdgpu_mes_gang *gang;
+
+ /*
+ * Avoid taking any other locks under MES lock to avoid circular
+ * lock dependencies.
+ */
+ amdgpu_mes_lock(&adev->mes);
+
+ gang = idr_find(&adev->mes.gang_id_idr, gang_id);
+ if (!gang) {
+ DRM_ERROR("gang id %d doesn't exist\n", gang_id);
+ amdgpu_mes_unlock(&adev->mes);
+ return -EINVAL;
+ }
+
+ if (!list_empty(&gang->queue_list)) {
+ DRM_ERROR("queue list is not empty\n");
+ amdgpu_mes_unlock(&adev->mes);
+ return -EBUSY;
+ }
+
+ idr_remove(&adev->mes.gang_id_idr, gang->gang_id);
+ list_del(&gang->list);
+ amdgpu_mes_unlock(&adev->mes);
+
+ amdgpu_bo_free_kernel(&gang->gang_ctx_bo,
+ &gang->gang_ctx_gpu_addr,
+ &gang->gang_ctx_cpu_ptr);
+
+ kfree(gang);
+
+ return 0;
+}
+
+int amdgpu_mes_suspend(struct amdgpu_device *adev)
+{
+ struct idr *idp;
+ struct amdgpu_mes_process *process;
+ struct amdgpu_mes_gang *gang;
+ struct mes_suspend_gang_input input;
+ int r, pasid;
+
+ /*
+ * Avoid taking any other locks under MES lock to avoid circular
+ * lock dependencies.
+ */
+ amdgpu_mes_lock(&adev->mes);
+
+ idp = &adev->mes.pasid_idr;
+
+ idr_for_each_entry(idp, process, pasid) {
+ list_for_each_entry(gang, &process->gang_list, list) {
+ r = adev->mes.funcs->suspend_gang(&adev->mes, &input);
+ if (r)
+ DRM_ERROR("failed to suspend pasid %d gangid %d",
+ pasid, gang->gang_id);
+ }
+ }
+
+ amdgpu_mes_unlock(&adev->mes);
+ return 0;
+}
+
+int amdgpu_mes_resume(struct amdgpu_device *adev)
+{
+ struct idr *idp;
+ struct amdgpu_mes_process *process;
+ struct amdgpu_mes_gang *gang;
+ struct mes_resume_gang_input input;
+ int r, pasid;
+
+ /*
+ * Avoid taking any other locks under MES lock to avoid circular
+ * lock dependencies.
+ */
+ amdgpu_mes_lock(&adev->mes);
+
+ idp = &adev->mes.pasid_idr;
+
+ idr_for_each_entry(idp, process, pasid) {
+ list_for_each_entry(gang, &process->gang_list, list) {
+ r = adev->mes.funcs->resume_gang(&adev->mes, &input);
+ if (r)
+ DRM_ERROR("failed to resume pasid %d gangid %d",
+ pasid, gang->gang_id);
+ }
+ }
+
+ amdgpu_mes_unlock(&adev->mes);
+ return 0;
+}
+
+static int amdgpu_mes_queue_alloc_mqd(struct amdgpu_device *adev,
+ struct amdgpu_mes_queue *q,
+ struct amdgpu_mes_queue_properties *p)
+{
+ struct amdgpu_mqd *mqd_mgr = &adev->mqds[p->queue_type];
+ u32 mqd_size = mqd_mgr->mqd_size;
+ int r;
+
+ r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
+ AMDGPU_GEM_DOMAIN_GTT,
+ &q->mqd_obj,
+ &q->mqd_gpu_addr, &q->mqd_cpu_ptr);
+ if (r) {
+ dev_warn(adev->dev, "failed to create queue mqd bo (%d)", r);
+ return r;
+ }
+ memset(q->mqd_cpu_ptr, 0, mqd_size);
+
+ r = amdgpu_bo_reserve(q->mqd_obj, false);
+ if (unlikely(r != 0))
+ goto clean_up;
+
+ return 0;
+
+clean_up:
+ amdgpu_bo_free_kernel(&q->mqd_obj,
+ &q->mqd_gpu_addr,
+ &q->mqd_cpu_ptr);
+ return r;
+}
+
+static void amdgpu_mes_queue_init_mqd(struct amdgpu_device *adev,
+ struct amdgpu_mes_queue *q,
+ struct amdgpu_mes_queue_properties *p)
+{
+ struct amdgpu_mqd *mqd_mgr = &adev->mqds[p->queue_type];
+ struct amdgpu_mqd_prop mqd_prop = {0};
+
+ mqd_prop.mqd_gpu_addr = q->mqd_gpu_addr;
+ mqd_prop.hqd_base_gpu_addr = p->hqd_base_gpu_addr;
+ mqd_prop.rptr_gpu_addr = p->rptr_gpu_addr;
+ mqd_prop.wptr_gpu_addr = p->wptr_gpu_addr;
+ mqd_prop.queue_size = p->queue_size;
+ mqd_prop.use_doorbell = true;
+ mqd_prop.doorbell_index = p->doorbell_off;
+ mqd_prop.eop_gpu_addr = p->eop_gpu_addr;
+ mqd_prop.hqd_pipe_priority = p->hqd_pipe_priority;
+ mqd_prop.hqd_queue_priority = p->hqd_queue_priority;
+ mqd_prop.hqd_active = false;
+
+ mqd_mgr->init_mqd(adev, q->mqd_cpu_ptr, &mqd_prop);
+
+ amdgpu_bo_unreserve(q->mqd_obj);
+}
+
+int amdgpu_mes_add_hw_queue(struct amdgpu_device *adev, int gang_id,
+ struct amdgpu_mes_queue_properties *qprops,
+ int *queue_id)
+{
+ struct amdgpu_mes_queue *queue;
+ struct amdgpu_mes_gang *gang;
+ struct mes_add_queue_input queue_input;
+ unsigned long flags;
+ int r;
+
+ /* allocate the mes queue buffer */
+ queue = kzalloc(sizeof(struct amdgpu_mes_queue), GFP_KERNEL);
+ if (!queue) {
+ DRM_ERROR("Failed to allocate memory for queue\n");
+ return -ENOMEM;
+ }
+
+ /* Allocate the queue mqd */
+ r = amdgpu_mes_queue_alloc_mqd(adev, queue, qprops);
+ if (r)
+ goto clean_up_memory;
+
+ /*
+ * Avoid taking any other locks under MES lock to avoid circular
+ * lock dependencies.
+ */
+ amdgpu_mes_lock(&adev->mes);
+
+ gang = idr_find(&adev->mes.gang_id_idr, gang_id);
+ if (!gang) {
+ DRM_ERROR("gang id %d doesn't exist\n", gang_id);
+ r = -EINVAL;
+ goto clean_up_mqd;
+ }
+
+ /* add the mes gang to idr list */
+ spin_lock_irqsave(&adev->mes.queue_id_lock, flags);
+ r = idr_alloc(&adev->mes.queue_id_idr, queue, 1, 0,
+ GFP_ATOMIC);
+ if (r < 0) {
+ spin_unlock_irqrestore(&adev->mes.queue_id_lock, flags);
+ goto clean_up_mqd;
+ }
+ spin_unlock_irqrestore(&adev->mes.queue_id_lock, flags);
+ *queue_id = queue->queue_id = r;
+
+ /* allocate a doorbell index for the queue */
+ r = amdgpu_mes_queue_doorbell_get(adev, gang->process,
+ qprops->queue_type,
+ &qprops->doorbell_off);
+ if (r)
+ goto clean_up_queue_id;
+
+ /* initialize the queue mqd */
+ amdgpu_mes_queue_init_mqd(adev, queue, qprops);
+
+ /* add hw queue to mes */
+ queue_input.process_id = gang->process->pasid;
+
+ queue_input.page_table_base_addr =
+ adev->vm_manager.vram_base_offset + gang->process->pd_gpu_addr -
+ adev->gmc.vram_start;
+
+ queue_input.process_va_start = 0;
+ queue_input.process_va_end =
+ (adev->vm_manager.max_pfn - 1) << AMDGPU_GPU_PAGE_SHIFT;
+ queue_input.process_quantum = gang->process->process_quantum;
+ queue_input.process_context_addr = gang->process->proc_ctx_gpu_addr;
+ queue_input.gang_quantum = gang->gang_quantum;
+ queue_input.gang_context_addr = gang->gang_ctx_gpu_addr;
+ queue_input.inprocess_gang_priority = gang->inprocess_gang_priority;
+ queue_input.gang_global_priority_level = gang->global_priority_level;
+ queue_input.doorbell_offset = qprops->doorbell_off;
+ queue_input.mqd_addr = queue->mqd_gpu_addr;
+ queue_input.wptr_addr = qprops->wptr_gpu_addr;
+ queue_input.wptr_mc_addr = qprops->wptr_mc_addr;
+ queue_input.queue_type = qprops->queue_type;
+ queue_input.paging = qprops->paging;
+ queue_input.is_kfd_process = 0;
+
+ r = adev->mes.funcs->add_hw_queue(&adev->mes, &queue_input);
+ if (r) {
+ DRM_ERROR("failed to add hardware queue to MES, doorbell=0x%llx\n",
+ qprops->doorbell_off);
+ goto clean_up_doorbell;
+ }
+
+ DRM_DEBUG("MES hw queue was added, pasid=%d, gang id=%d, "
+ "queue type=%d, doorbell=0x%llx\n",
+ gang->process->pasid, gang_id, qprops->queue_type,
+ qprops->doorbell_off);
+
+ queue->ring = qprops->ring;
+ queue->doorbell_off = qprops->doorbell_off;
+ queue->wptr_gpu_addr = qprops->wptr_gpu_addr;
+ queue->queue_type = qprops->queue_type;
+ queue->paging = qprops->paging;
+ queue->gang = gang;
+ queue->ring->mqd_ptr = queue->mqd_cpu_ptr;
+ list_add_tail(&queue->list, &gang->queue_list);
+
+ amdgpu_mes_unlock(&adev->mes);
+ return 0;
+
+clean_up_doorbell:
+ amdgpu_mes_queue_doorbell_free(adev, gang->process,
+ qprops->doorbell_off);
+clean_up_queue_id:
+ spin_lock_irqsave(&adev->mes.queue_id_lock, flags);
+ idr_remove(&adev->mes.queue_id_idr, queue->queue_id);
+ spin_unlock_irqrestore(&adev->mes.queue_id_lock, flags);
+clean_up_mqd:
+ amdgpu_mes_unlock(&adev->mes);
+ amdgpu_mes_queue_free_mqd(queue);
+clean_up_memory:
+ kfree(queue);
+ return r;
+}
+
+int amdgpu_mes_remove_hw_queue(struct amdgpu_device *adev, int queue_id)
+{
+ unsigned long flags;
+ struct amdgpu_mes_queue *queue;
+ struct amdgpu_mes_gang *gang;
+ struct mes_remove_queue_input queue_input;
+ int r;
+
+ /*
+ * Avoid taking any other locks under MES lock to avoid circular
+ * lock dependencies.
+ */
+ amdgpu_mes_lock(&adev->mes);
+
+ /* remove the mes gang from idr list */
+ spin_lock_irqsave(&adev->mes.queue_id_lock, flags);
+
+ queue = idr_find(&adev->mes.queue_id_idr, queue_id);
+ if (!queue) {
+ spin_unlock_irqrestore(&adev->mes.queue_id_lock, flags);
+ amdgpu_mes_unlock(&adev->mes);
+ DRM_ERROR("queue id %d doesn't exist\n", queue_id);
+ return -EINVAL;
+ }
+
+ idr_remove(&adev->mes.queue_id_idr, queue_id);
+ spin_unlock_irqrestore(&adev->mes.queue_id_lock, flags);
+
+ DRM_DEBUG("try to remove queue, doorbell off = 0x%llx\n",
+ queue->doorbell_off);
+
+ gang = queue->gang;
+ queue_input.doorbell_offset = queue->doorbell_off;
+ queue_input.gang_context_addr = gang->gang_ctx_gpu_addr;
+
+ r = adev->mes.funcs->remove_hw_queue(&adev->mes, &queue_input);
+ if (r)
+ DRM_ERROR("failed to remove hardware queue, queue id = %d\n",
+ queue_id);
+
+ list_del(&queue->list);
+ amdgpu_mes_queue_doorbell_free(adev, gang->process,
+ queue->doorbell_off);
+ amdgpu_mes_unlock(&adev->mes);
+
+ amdgpu_mes_queue_free_mqd(queue);
+ kfree(queue);
+ return 0;
+}
+
+int amdgpu_mes_unmap_legacy_queue(struct amdgpu_device *adev,
+ struct amdgpu_ring *ring,
+ enum amdgpu_unmap_queues_action action,
+ u64 gpu_addr, u64 seq)
+{
+ struct mes_unmap_legacy_queue_input queue_input;
+ int r;
+
+ queue_input.action = action;
+ queue_input.queue_type = ring->funcs->type;
+ queue_input.doorbell_offset = ring->doorbell_index;
+ queue_input.pipe_id = ring->pipe;
+ queue_input.queue_id = ring->queue;
+ queue_input.trail_fence_addr = gpu_addr;
+ queue_input.trail_fence_data = seq;
+
+ r = adev->mes.funcs->unmap_legacy_queue(&adev->mes, &queue_input);
+ if (r)
+ DRM_ERROR("failed to unmap legacy queue\n");
+
+ return r;
+}
+
+uint32_t amdgpu_mes_rreg(struct amdgpu_device *adev, uint32_t reg)
+{
+ struct mes_misc_op_input op_input;
+ int r, val = 0;
+
+ op_input.op = MES_MISC_OP_READ_REG;
+ op_input.read_reg.reg_offset = reg;
+ op_input.read_reg.buffer_addr = adev->mes.read_val_gpu_addr;
+
+ if (!adev->mes.funcs->misc_op) {
+ DRM_ERROR("mes rreg is not supported!\n");
+ goto error;
+ }
+
+ r = adev->mes.funcs->misc_op(&adev->mes, &op_input);
+ if (r)
+ DRM_ERROR("failed to read reg (0x%x)\n", reg);
+ else
+ val = *(adev->mes.read_val_ptr);
+
+error:
+ return val;
+}
+
+int amdgpu_mes_wreg(struct amdgpu_device *adev,
+ uint32_t reg, uint32_t val)
+{
+ struct mes_misc_op_input op_input;
+ int r;
+
+ op_input.op = MES_MISC_OP_WRITE_REG;
+ op_input.write_reg.reg_offset = reg;
+ op_input.write_reg.reg_value = val;
+
+ if (!adev->mes.funcs->misc_op) {
+ DRM_ERROR("mes wreg is not supported!\n");
+ r = -EINVAL;
+ goto error;
+ }
+
+ r = adev->mes.funcs->misc_op(&adev->mes, &op_input);
+ if (r)
+ DRM_ERROR("failed to write reg (0x%x)\n", reg);
+
+error:
+ return r;
+}
+
+int amdgpu_mes_reg_write_reg_wait(struct amdgpu_device *adev,
+ uint32_t reg0, uint32_t reg1,
+ uint32_t ref, uint32_t mask)
+{
+ struct mes_misc_op_input op_input;
+ int r;
+
+ op_input.op = MES_MISC_OP_WRM_REG_WR_WAIT;
+ op_input.wrm_reg.reg0 = reg0;
+ op_input.wrm_reg.reg1 = reg1;
+ op_input.wrm_reg.ref = ref;
+ op_input.wrm_reg.mask = mask;
+
+ if (!adev->mes.funcs->misc_op) {
+ DRM_ERROR("mes reg_write_reg_wait is not supported!\n");
+ r = -EINVAL;
+ goto error;
+ }
+
+ r = adev->mes.funcs->misc_op(&adev->mes, &op_input);
+ if (r)
+ DRM_ERROR("failed to reg_write_reg_wait\n");
+
+error:
+ return r;
+}
+
+int amdgpu_mes_reg_wait(struct amdgpu_device *adev, uint32_t reg,
+ uint32_t val, uint32_t mask)
+{
+ struct mes_misc_op_input op_input;
+ int r;
+
+ op_input.op = MES_MISC_OP_WRM_REG_WAIT;
+ op_input.wrm_reg.reg0 = reg;
+ op_input.wrm_reg.ref = val;
+ op_input.wrm_reg.mask = mask;
+
+ if (!adev->mes.funcs->misc_op) {
+ DRM_ERROR("mes reg wait is not supported!\n");
+ r = -EINVAL;
+ goto error;
+ }
+
+ r = adev->mes.funcs->misc_op(&adev->mes, &op_input);
+ if (r)
+ DRM_ERROR("failed to reg_write_reg_wait\n");
+
+error:
+ return r;
+}
+
+static void
+amdgpu_mes_ring_to_queue_props(struct amdgpu_device *adev,
+ struct amdgpu_ring *ring,
+ struct amdgpu_mes_queue_properties *props)
+{
+ props->queue_type = ring->funcs->type;
+ props->hqd_base_gpu_addr = ring->gpu_addr;
+ props->rptr_gpu_addr = ring->rptr_gpu_addr;
+ props->wptr_gpu_addr = ring->wptr_gpu_addr;
+ props->wptr_mc_addr =
+ ring->mes_ctx->meta_data_mc_addr + ring->wptr_offs;
+ props->queue_size = ring->ring_size;
+ props->eop_gpu_addr = ring->eop_gpu_addr;
+ props->hqd_pipe_priority = AMDGPU_GFX_PIPE_PRIO_NORMAL;
+ props->hqd_queue_priority = AMDGPU_GFX_QUEUE_PRIORITY_MINIMUM;
+ props->paging = false;
+ props->ring = ring;
+}
+
+#define DEFINE_AMDGPU_MES_CTX_GET_OFFS_ENG(_eng) \
+do { \
+ if (id_offs < AMDGPU_MES_CTX_MAX_OFFS) \
+ return offsetof(struct amdgpu_mes_ctx_meta_data, \
+ _eng[ring->idx].slots[id_offs]); \
+ else if (id_offs == AMDGPU_MES_CTX_RING_OFFS) \
+ return offsetof(struct amdgpu_mes_ctx_meta_data, \
+ _eng[ring->idx].ring); \
+ else if (id_offs == AMDGPU_MES_CTX_IB_OFFS) \
+ return offsetof(struct amdgpu_mes_ctx_meta_data, \
+ _eng[ring->idx].ib); \
+ else if (id_offs == AMDGPU_MES_CTX_PADDING_OFFS) \
+ return offsetof(struct amdgpu_mes_ctx_meta_data, \
+ _eng[ring->idx].padding); \
+} while(0)
+
+int amdgpu_mes_ctx_get_offs(struct amdgpu_ring *ring, unsigned int id_offs)
+{
+ switch (ring->funcs->type) {
+ case AMDGPU_RING_TYPE_GFX:
+ DEFINE_AMDGPU_MES_CTX_GET_OFFS_ENG(gfx);
+ break;
+ case AMDGPU_RING_TYPE_COMPUTE:
+ DEFINE_AMDGPU_MES_CTX_GET_OFFS_ENG(compute);
+ break;
+ case AMDGPU_RING_TYPE_SDMA:
+ DEFINE_AMDGPU_MES_CTX_GET_OFFS_ENG(sdma);
+ break;
+ default:
+ break;
+ }
+
+ WARN_ON(1);
+ return -EINVAL;
+}
+
+int amdgpu_mes_add_ring(struct amdgpu_device *adev, int gang_id,
+ int queue_type, int idx,
+ struct amdgpu_mes_ctx_data *ctx_data,
+ struct amdgpu_ring **out)
+{
+ struct amdgpu_ring *ring;
+ struct amdgpu_mes_gang *gang;
+ struct amdgpu_mes_queue_properties qprops = {0};
+ int r, queue_id, pasid;
+
+ /*
+ * Avoid taking any other locks under MES lock to avoid circular
+ * lock dependencies.
+ */
+ amdgpu_mes_lock(&adev->mes);
+ gang = idr_find(&adev->mes.gang_id_idr, gang_id);
+ if (!gang) {
+ DRM_ERROR("gang id %d doesn't exist\n", gang_id);
+ amdgpu_mes_unlock(&adev->mes);
+ return -EINVAL;
+ }
+ pasid = gang->process->pasid;
+
+ ring = kzalloc(sizeof(struct amdgpu_ring), GFP_KERNEL);
+ if (!ring) {
+ amdgpu_mes_unlock(&adev->mes);
+ return -ENOMEM;
+ }
+
+ ring->ring_obj = NULL;
+ ring->use_doorbell = true;
+ ring->is_mes_queue = true;
+ ring->mes_ctx = ctx_data;
+ ring->idx = idx;
+ ring->no_scheduler = true;
+
+ if (queue_type == AMDGPU_RING_TYPE_COMPUTE) {
+ int offset = offsetof(struct amdgpu_mes_ctx_meta_data,
+ compute[ring->idx].mec_hpd);
+ ring->eop_gpu_addr =
+ amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
+ }
+
+ switch (queue_type) {
+ case AMDGPU_RING_TYPE_GFX:
+ ring->funcs = adev->gfx.gfx_ring[0].funcs;
+ break;
+ case AMDGPU_RING_TYPE_COMPUTE:
+ ring->funcs = adev->gfx.compute_ring[0].funcs;
+ break;
+ case AMDGPU_RING_TYPE_SDMA:
+ ring->funcs = adev->sdma.instance[0].ring.funcs;
+ break;
+ default:
+ BUG();
+ }
+
+ r = amdgpu_ring_init(adev, ring, 1024, NULL, 0,
+ AMDGPU_RING_PRIO_DEFAULT, NULL);
+ if (r)
+ goto clean_up_memory;
+
+ amdgpu_mes_ring_to_queue_props(adev, ring, &qprops);
+
+ dma_fence_wait(gang->process->vm->last_update, false);
+ dma_fence_wait(ctx_data->meta_data_va->last_pt_update, false);
+ amdgpu_mes_unlock(&adev->mes);
+
+ r = amdgpu_mes_add_hw_queue(adev, gang_id, &qprops, &queue_id);
+ if (r)
+ goto clean_up_ring;
+
+ ring->hw_queue_id = queue_id;
+ ring->doorbell_index = qprops.doorbell_off;
+
+ if (queue_type == AMDGPU_RING_TYPE_GFX)
+ sprintf(ring->name, "gfx_%d.%d.%d", pasid, gang_id, queue_id);
+ else if (queue_type == AMDGPU_RING_TYPE_COMPUTE)
+ sprintf(ring->name, "compute_%d.%d.%d", pasid, gang_id,
+ queue_id);
+ else if (queue_type == AMDGPU_RING_TYPE_SDMA)
+ sprintf(ring->name, "sdma_%d.%d.%d", pasid, gang_id,
+ queue_id);
+ else
+ BUG();
+
+ *out = ring;
+ return 0;
+
+clean_up_ring:
+ amdgpu_ring_fini(ring);
+clean_up_memory:
+ kfree(ring);
+ amdgpu_mes_unlock(&adev->mes);
+ return r;
+}
+
+void amdgpu_mes_remove_ring(struct amdgpu_device *adev,
+ struct amdgpu_ring *ring)
+{
+ if (!ring)
+ return;
+
+ amdgpu_mes_remove_hw_queue(adev, ring->hw_queue_id);
+ amdgpu_ring_fini(ring);
+ kfree(ring);
+}
+
+uint32_t amdgpu_mes_get_aggregated_doorbell_index(struct amdgpu_device *adev,
+ enum amdgpu_mes_priority_level prio)
+{
+ return adev->mes.aggregated_doorbells[prio];
+}
+
+int amdgpu_mes_ctx_alloc_meta_data(struct amdgpu_device *adev,
+ struct amdgpu_mes_ctx_data *ctx_data)
+{
+ int r;
+
+ r = amdgpu_bo_create_kernel(adev,
+ sizeof(struct amdgpu_mes_ctx_meta_data),
+ PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT,
+ &ctx_data->meta_data_obj,
+ &ctx_data->meta_data_mc_addr,
+ &ctx_data->meta_data_ptr);
+ if (!ctx_data->meta_data_obj)
+ return -ENOMEM;
+
+ memset(ctx_data->meta_data_ptr, 0,
+ sizeof(struct amdgpu_mes_ctx_meta_data));
+
+ return 0;
+}
+
+void amdgpu_mes_ctx_free_meta_data(struct amdgpu_mes_ctx_data *ctx_data)
+{
+ if (ctx_data->meta_data_obj)
+ amdgpu_bo_free_kernel(&ctx_data->meta_data_obj,
+ &ctx_data->meta_data_mc_addr,
+ &ctx_data->meta_data_ptr);
+}
+
+int amdgpu_mes_ctx_map_meta_data(struct amdgpu_device *adev,
+ struct amdgpu_vm *vm,
+ struct amdgpu_mes_ctx_data *ctx_data)
+{
+ struct amdgpu_bo_va *bo_va;
+ struct ww_acquire_ctx ticket;
+ struct list_head list;
+ struct amdgpu_bo_list_entry pd;
+ struct ttm_validate_buffer csa_tv;
+ struct amdgpu_sync sync;
+ int r;
+
+ amdgpu_sync_create(&sync);
+ INIT_LIST_HEAD(&list);
+ INIT_LIST_HEAD(&csa_tv.head);
+
+ csa_tv.bo = &ctx_data->meta_data_obj->tbo;
+ csa_tv.num_shared = 1;
+
+ list_add(&csa_tv.head, &list);
+ amdgpu_vm_get_pd_bo(vm, &list, &pd);
+
+ r = ttm_eu_reserve_buffers(&ticket, &list, true, NULL);
+ if (r) {
+ DRM_ERROR("failed to reserve meta data BO: err=%d\n", r);
+ return r;
+ }
+
+ bo_va = amdgpu_vm_bo_add(adev, vm, ctx_data->meta_data_obj);
+ if (!bo_va) {
+ ttm_eu_backoff_reservation(&ticket, &list);
+ DRM_ERROR("failed to create bo_va for meta data BO\n");
+ return -ENOMEM;
+ }
+
+ r = amdgpu_vm_bo_map(adev, bo_va, ctx_data->meta_data_gpu_addr, 0,
+ sizeof(struct amdgpu_mes_ctx_meta_data),
+ AMDGPU_PTE_READABLE | AMDGPU_PTE_WRITEABLE |
+ AMDGPU_PTE_EXECUTABLE);
+
+ if (r) {
+ DRM_ERROR("failed to do bo_map on meta data, err=%d\n", r);
+ goto error;
+ }
+
+ r = amdgpu_vm_bo_update(adev, bo_va, false);
+ if (r) {
+ DRM_ERROR("failed to do vm_bo_update on meta data\n");
+ goto error;
+ }
+ amdgpu_sync_fence(&sync, bo_va->last_pt_update);
+
+ r = amdgpu_vm_update_pdes(adev, vm, false);
+ if (r) {
+ DRM_ERROR("failed to update pdes on meta data\n");
+ goto error;
+ }
+ amdgpu_sync_fence(&sync, vm->last_update);
+
+ amdgpu_sync_wait(&sync, false);
+ ttm_eu_backoff_reservation(&ticket, &list);
+
+ amdgpu_sync_free(&sync);
+ ctx_data->meta_data_va = bo_va;
+ return 0;
+
+error:
+ amdgpu_vm_bo_del(adev, bo_va);
+ ttm_eu_backoff_reservation(&ticket, &list);
+ amdgpu_sync_free(&sync);
+ return r;
+}
+
+int amdgpu_mes_ctx_unmap_meta_data(struct amdgpu_device *adev,
+ struct amdgpu_mes_ctx_data *ctx_data)
+{
+ struct amdgpu_bo_va *bo_va = ctx_data->meta_data_va;
+ struct amdgpu_bo *bo = ctx_data->meta_data_obj;
+ struct amdgpu_vm *vm = bo_va->base.vm;
+ struct amdgpu_bo_list_entry vm_pd;
+ struct list_head list, duplicates;
+ struct dma_fence *fence = NULL;
+ struct ttm_validate_buffer tv;
+ struct ww_acquire_ctx ticket;
+ long r = 0;
+
+ INIT_LIST_HEAD(&list);
+ INIT_LIST_HEAD(&duplicates);
+
+ tv.bo = &bo->tbo;
+ tv.num_shared = 2;
+ list_add(&tv.head, &list);
+
+ amdgpu_vm_get_pd_bo(vm, &list, &vm_pd);
+
+ r = ttm_eu_reserve_buffers(&ticket, &list, false, &duplicates);
+ if (r) {
+ dev_err(adev->dev, "leaking bo va because "
+ "we fail to reserve bo (%ld)\n", r);
+ return r;
+ }
+
+ amdgpu_vm_bo_del(adev, bo_va);
+ if (!amdgpu_vm_ready(vm))
+ goto out_unlock;
+
+ r = dma_resv_get_singleton(bo->tbo.base.resv, DMA_RESV_USAGE_BOOKKEEP, &fence);
+ if (r)
+ goto out_unlock;
+ if (fence) {
+ amdgpu_bo_fence(bo, fence, true);
+ fence = NULL;
+ }
+
+ r = amdgpu_vm_clear_freed(adev, vm, &fence);
+ if (r || !fence)
+ goto out_unlock;
+
+ dma_fence_wait(fence, false);
+ amdgpu_bo_fence(bo, fence, true);
+ dma_fence_put(fence);
+
+out_unlock:
+ if (unlikely(r < 0))
+ dev_err(adev->dev, "failed to clear page tables (%ld)\n", r);
+ ttm_eu_backoff_reservation(&ticket, &list);
+
+ return r;
+}
+
+static int amdgpu_mes_test_create_gang_and_queues(struct amdgpu_device *adev,
+ int pasid, int *gang_id,
+ int queue_type, int num_queue,
+ struct amdgpu_ring **added_rings,
+ struct amdgpu_mes_ctx_data *ctx_data)
+{
+ struct amdgpu_ring *ring;
+ struct amdgpu_mes_gang_properties gprops = {0};
+ int r, j;
+
+ /* create a gang for the process */
+ gprops.priority = AMDGPU_MES_PRIORITY_LEVEL_NORMAL;
+ gprops.gang_quantum = adev->mes.default_gang_quantum;
+ gprops.inprocess_gang_priority = AMDGPU_MES_PRIORITY_LEVEL_NORMAL;
+ gprops.priority_level = AMDGPU_MES_PRIORITY_LEVEL_NORMAL;
+ gprops.global_priority_level = AMDGPU_MES_PRIORITY_LEVEL_NORMAL;
+
+ r = amdgpu_mes_add_gang(adev, pasid, &gprops, gang_id);
+ if (r) {
+ DRM_ERROR("failed to add gang\n");
+ return r;
+ }
+
+ /* create queues for the gang */
+ for (j = 0; j < num_queue; j++) {
+ r = amdgpu_mes_add_ring(adev, *gang_id, queue_type, j,
+ ctx_data, &ring);
+ if (r) {
+ DRM_ERROR("failed to add ring\n");
+ break;
+ }
+
+ DRM_INFO("ring %s was added\n", ring->name);
+ added_rings[j] = ring;
+ }
+
+ return 0;
+}
+
+static int amdgpu_mes_test_queues(struct amdgpu_ring **added_rings)
+{
+ struct amdgpu_ring *ring;
+ int i, r;
+
+ for (i = 0; i < AMDGPU_MES_CTX_MAX_RINGS; i++) {
+ ring = added_rings[i];
+ if (!ring)
+ continue;
+
+ r = amdgpu_ring_test_ring(ring);
+ if (r) {
+ DRM_DEV_ERROR(ring->adev->dev,
+ "ring %s test failed (%d)\n",
+ ring->name, r);
+ return r;
+ } else
+ DRM_INFO("ring %s test pass\n", ring->name);
+
+ r = amdgpu_ring_test_ib(ring, 1000 * 10);
+ if (r) {
+ DRM_DEV_ERROR(ring->adev->dev,
+ "ring %s ib test failed (%d)\n",
+ ring->name, r);
+ return r;
+ } else
+ DRM_INFO("ring %s ib test pass\n", ring->name);
+ }
+
+ return 0;
+}
+
+int amdgpu_mes_self_test(struct amdgpu_device *adev)
+{
+ struct amdgpu_vm *vm = NULL;
+ struct amdgpu_mes_ctx_data ctx_data = {0};
+ struct amdgpu_ring *added_rings[AMDGPU_MES_CTX_MAX_RINGS] = { NULL };
+ int gang_ids[3] = {0};
+ int queue_types[][2] = { { AMDGPU_RING_TYPE_GFX,
+ AMDGPU_MES_CTX_MAX_GFX_RINGS},
+ { AMDGPU_RING_TYPE_COMPUTE,
+ AMDGPU_MES_CTX_MAX_COMPUTE_RINGS},
+ { AMDGPU_RING_TYPE_SDMA,
+ AMDGPU_MES_CTX_MAX_SDMA_RINGS } };
+ int i, r, pasid, k = 0;
+
+ pasid = amdgpu_pasid_alloc(16);
+ if (pasid < 0) {
+ dev_warn(adev->dev, "No more PASIDs available!");
+ pasid = 0;
+ }
+
+ vm = kzalloc(sizeof(*vm), GFP_KERNEL);
+ if (!vm) {
+ r = -ENOMEM;
+ goto error_pasid;
+ }
+
+ r = amdgpu_vm_init(adev, vm);
+ if (r) {
+ DRM_ERROR("failed to initialize vm\n");
+ goto error_pasid;
+ }
+
+ r = amdgpu_mes_ctx_alloc_meta_data(adev, &ctx_data);
+ if (r) {
+ DRM_ERROR("failed to alloc ctx meta data\n");
+ goto error_fini;
+ }
+
+ ctx_data.meta_data_gpu_addr = AMDGPU_VA_RESERVED_SIZE;
+ r = amdgpu_mes_ctx_map_meta_data(adev, vm, &ctx_data);
+ if (r) {
+ DRM_ERROR("failed to map ctx meta data\n");
+ goto error_vm;
+ }
+
+ r = amdgpu_mes_create_process(adev, pasid, vm);
+ if (r) {
+ DRM_ERROR("failed to create MES process\n");
+ goto error_vm;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(queue_types); i++) {
+ /* On GFX v10.3, fw hasn't supported to map sdma queue. */
+ if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(10, 3, 0) &&
+ adev->ip_versions[GC_HWIP][0] < IP_VERSION(11, 0, 0) &&
+ queue_types[i][0] == AMDGPU_RING_TYPE_SDMA)
+ continue;
+
+ r = amdgpu_mes_test_create_gang_and_queues(adev, pasid,
+ &gang_ids[i],
+ queue_types[i][0],
+ queue_types[i][1],
+ &added_rings[k],
+ &ctx_data);
+ if (r)
+ goto error_queues;
+
+ k += queue_types[i][1];
+ }
+
+ /* start ring test and ib test for MES queues */
+ amdgpu_mes_test_queues(added_rings);
+
+error_queues:
+ /* remove all queues */
+ for (i = 0; i < ARRAY_SIZE(added_rings); i++) {
+ if (!added_rings[i])
+ continue;
+ amdgpu_mes_remove_ring(adev, added_rings[i]);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(gang_ids); i++) {
+ if (!gang_ids[i])
+ continue;
+ amdgpu_mes_remove_gang(adev, gang_ids[i]);
+ }
+
+ amdgpu_mes_destroy_process(adev, pasid);
+
+error_vm:
+ amdgpu_mes_ctx_unmap_meta_data(adev, &ctx_data);
+
+error_fini:
+ amdgpu_vm_fini(adev, vm);
+
+error_pasid:
+ if (pasid)
+ amdgpu_pasid_free(pasid);
+
+ amdgpu_mes_ctx_free_meta_data(&ctx_data);
+ kfree(vm);
+ return 0;
+}