From: Alex Deucher <[email protected]> Query the status of the user queue, currently whether the queue is hung and whether or not VRAM is lost.
v2: Misc cleanups Reviewed-by: Prike Liang <[email protected]> Reviewed-by: Sunil Khatri <[email protected]> Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Prike Liang <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c | 33 +++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c index bcfbd7213dd6..911b4abfd126 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c @@ -799,6 +799,33 @@ amdgpu_userq_create(struct drm_file *filp, union drm_amdgpu_userq *args) return r; } +static int +amdgpu_userq_query_status(struct drm_file *filp, union drm_amdgpu_userq *args) +{ + struct amdgpu_fpriv *fpriv = filp->driver_priv; + struct amdgpu_userq_mgr *uq_mgr = &fpriv->userq_mgr; + struct amdgpu_device *adev = uq_mgr->adev; + struct amdgpu_usermode_queue *queue; + int queue_id = args->in.queue_id; + + mutex_lock(&uq_mgr->userq_mutex); + + queue = amdgpu_userq_find(uq_mgr, queue_id); + if (!queue) { + dev_dbg(adev->dev, "Invalid queue id to query\n"); + mutex_unlock(&uq_mgr->userq_mutex); + return -EINVAL; + } + args->out_qs.flags = 0; + if (queue->state == AMDGPU_USERQ_STATE_HUNG) + args->out_qs.flags |= AMDGPU_USERQ_QUERY_STATUS_FLAGS_HUNG; + if (queue->generation != amdgpu_vm_generation(adev, &fpriv->vm)) + args->out_qs.flags |= AMDGPU_USERQ_QUERY_STATUS_FLAGS_VRAMLOST; + mutex_unlock(&uq_mgr->userq_mutex); + + return 0; +} + static int amdgpu_userq_input_args_validate(struct drm_device *dev, union drm_amdgpu_userq *args, struct drm_file *filp) @@ -914,6 +941,12 @@ int amdgpu_userq_ioctl(struct drm_device *dev, void *data, break; } + case AMDGPU_USERQ_OP_QUERY_STATUS: + r = amdgpu_userq_query_status(filp, args); + if (r) + drm_dbg_driver(dev, "Failed to query usermode queue status\n"); + break; + default: drm_dbg_driver(dev, "Invalid user queue op specified: %d\n", args->in.op); return -EINVAL; -- 2.34.1
