[PATCH 13/13] drm/amdgpu/userq: enable support for secure queues

[Alex Deucher]

Enable users to create secure GFX/compute queues.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c
index b8b13b6ab4631..cd279f8164158 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c
@@ -303,6 +303,14 @@ amdgpu_userqueue_create(struct drm_file *filp, union drm_amdgpu_userq *args)
 	if (r)
 		return r;
 
+	if ((args->in.flags & AMDGPU_USERQ_CREATE_FLAGS_QUEUE_SECURE) &&
+	    (args->in.ip_type != AMDGPU_HW_IP_GFX) &&
+	    (args->in.ip_type != AMDGPU_HW_IP_COMPUTE) &&
+	    !amdgpu_is_tmz(adev)) {
+		drm_err(adev_to_drm(adev), "Secure only supported on GFX/Compute queues\n");
+		return -EINVAL;
+	}
+
 	/*
 	 * There could be a situation that we are creating a new queue while
 	 * the other queues under this UQ_mgr are suspended. So if there is any
@@ -401,7 +409,8 @@ int amdgpu_userq_ioctl(struct drm_device *dev, void *data,
 
 	switch (args->in.op) {
 	case AMDGPU_USERQ_OP_CREATE:
-		if (args->in.flags & ~AMDGPU_USERQ_CREATE_FLAGS_QUEUE_PRIORITY_MASK)
+		if (args->in.flags & ~(AMDGPU_USERQ_CREATE_FLAGS_QUEUE_PRIORITY_MASK |
+				       AMDGPU_USERQ_CREATE_FLAGS_QUEUE_SECURE))
 			return -EINVAL;
 		r = amdgpu_userqueue_create(filp, args);
 		if (r)
-- 
2.49.0