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-rw-r--r--libdrm/xf86drm.c35
-rw-r--r--linux-core/drm_drv.c13
-rw-r--r--linux-core/drm_fence.c310
-rw-r--r--linux-core/drm_objects.h10
-rw-r--r--shared-core/drm.h38
5 files changed, 362 insertions, 44 deletions
diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c
index bee50824..e0d20ee8 100644
--- a/libdrm/xf86drm.c
+++ b/libdrm/xf86drm.c
@@ -2272,8 +2272,7 @@ int drmFenceCreate(int fd, unsigned flags, int class, unsigned type,
arg.flags = flags;
arg.type = type;
arg.class = class;
- arg.op = drm_fence_create;
- if (ioctl(fd, DRM_IOCTL_FENCE, &arg))
+ if (ioctl(fd, DRM_IOCTL_FENCE_CREATE, &arg))
return -errno;
fence->handle = arg.handle;
fence->class = arg.class;
@@ -2295,8 +2294,8 @@ int drmFenceBuffers(int fd, unsigned flags, drmFence *fence)
memset(&arg, 0, sizeof(arg));
arg.flags = flags;
- arg.op = drm_fence_buffers;
- if (ioctl(fd, DRM_IOCTL_FENCE, &arg))
+
+ if (ioctl(fd, DRM_IOCTL_FENCE_BUFFERS, &arg))
return -errno;
fence->handle = arg.handle;
fence->class = arg.class;
@@ -2312,8 +2311,8 @@ int drmFenceDestroy(int fd, const drmFence *fence)
memset(&arg, 0, sizeof(arg));
arg.handle = fence->handle;
- arg.op = drm_fence_destroy;
- if (ioctl(fd, DRM_IOCTL_FENCE, &arg))
+
+ if (ioctl(fd, DRM_IOCTL_FENCE_DESTROY, &arg))
return -errno;
return 0;
}
@@ -2324,8 +2323,8 @@ int drmFenceReference(int fd, unsigned handle, drmFence *fence)
memset(&arg, 0, sizeof(arg));
arg.handle = handle;
- arg.op = drm_fence_reference;
- if (ioctl(fd, DRM_IOCTL_FENCE, &arg))
+
+ if (ioctl(fd, DRM_IOCTL_FENCE_REFERENCE, &arg))
return -errno;
fence->handle = arg.handle;
fence->class = arg.class;
@@ -2341,8 +2340,8 @@ int drmFenceUnreference(int fd, const drmFence *fence)
memset(&arg, 0, sizeof(arg));
arg.handle = fence->handle;
- arg.op = drm_fence_unreference;
- if (ioctl(fd, DRM_IOCTL_FENCE, &arg))
+
+ if (ioctl(fd, DRM_IOCTL_FENCE_UNREFERENCE, &arg))
return -errno;
return 0;
}
@@ -2354,8 +2353,8 @@ int drmFenceFlush(int fd, drmFence *fence, unsigned flush_type)
memset(&arg, 0, sizeof(arg));
arg.handle = fence->handle;
arg.type = flush_type;
- arg.op = drm_fence_flush;
- if (ioctl(fd, DRM_IOCTL_FENCE, &arg))
+
+ if (ioctl(fd, DRM_IOCTL_FENCE_FLUSH, &arg))
return -errno;
fence->class = arg.class;
fence->type = arg.type;
@@ -2369,8 +2368,8 @@ int drmFenceUpdate(int fd, drmFence *fence)
memset(&arg, 0, sizeof(arg));
arg.handle = fence->handle;
- arg.op = drm_fence_signaled;
- if (ioctl(fd, DRM_IOCTL_FENCE, &arg))
+
+ if (ioctl(fd, DRM_IOCTL_FENCE_SIGNALED, &arg))
return -errno;
fence->class = arg.class;
fence->type = arg.type;
@@ -2413,8 +2412,8 @@ int drmFenceEmit(int fd, unsigned flags, drmFence *fence, unsigned emit_type)
arg.flags = flags;
arg.handle = fence->handle;
arg.type = emit_type;
- arg.op = drm_fence_emit;
- if (ioctl(fd, DRM_IOCTL_FENCE, &arg))
+
+ if (ioctl(fd, DRM_IOCTL_FENCE_EMIT, &arg))
return -errno;
fence->class = arg.class;
fence->type = arg.type;
@@ -2447,9 +2446,9 @@ int drmFenceWait(int fd, unsigned flags, drmFence *fence, unsigned flush_type)
arg.handle = fence->handle;
arg.type = flush_type;
arg.flags = flags;
- arg.op = drm_fence_wait;
+
do {
- ret = ioctl(fd, DRM_IOCTL_FENCE, &arg);
+ ret = ioctl(fd, DRM_IOCTL_FENCE_WAIT, &arg);
} while (ret != 0 && errno == EAGAIN);
if (ret)
diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c
index 0ee5062b..adba8f98 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -117,7 +117,7 @@ static drm_ioctl_desc_t drm_ioctls[] = {
[DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = {drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = {drm_wait_vblank, 0},
- [DRM_IOCTL_NR(DRM_IOCTL_FENCE)] = {drm_fence_ioctl, DRM_AUTH},
+
[DRM_IOCTL_NR(DRM_IOCTL_BUFOBJ)] = {drm_bo_ioctl, DRM_AUTH},
[DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW)] = {drm_update_drawable_info, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
@@ -131,6 +131,17 @@ static drm_ioctl_desc_t drm_ioctls[] = {
DRM_AUTH },
[DRM_IOCTL_NR(DRM_IOCTL_MM_UNLOCK)] = {drm_mm_unlock_ioctl,
DRM_AUTH },
+
+ [DRM_IOCTL_NR(DRM_IOCTL_FENCE_CREATE)] = {drm_fence_create_ioctl, DRM_AUTH},
+ [DRM_IOCTL_NR(DRM_IOCTL_FENCE_DESTROY)] = {drm_fence_destroy_ioctl, DRM_AUTH},
+ [DRM_IOCTL_NR(DRM_IOCTL_FENCE_REFERENCE)] = {drm_fence_reference_ioctl, DRM_AUTH},
+ [DRM_IOCTL_NR(DRM_IOCTL_FENCE_UNREFERENCE)] = {drm_fence_unreference_ioctl, DRM_AUTH},
+ [DRM_IOCTL_NR(DRM_IOCTL_FENCE_SIGNALED)] = {drm_fence_signaled_ioctl, DRM_AUTH},
+ [DRM_IOCTL_NR(DRM_IOCTL_FENCE_FLUSH)] = {drm_fence_flush_ioctl, DRM_AUTH},
+ [DRM_IOCTL_NR(DRM_IOCTL_FENCE_WAIT)] = {drm_fence_wait_ioctl, DRM_AUTH},
+ [DRM_IOCTL_NR(DRM_IOCTL_FENCE_EMIT)] = {drm_fence_emit_ioctl, DRM_AUTH},
+ [DRM_IOCTL_NR(DRM_IOCTL_FENCE_BUFFERS)] = {drm_fence_buffers_ioctl, DRM_AUTH},
+
};
#define DRM_CORE_IOCTL_COUNT ARRAY_SIZE( drm_ioctls )
diff --git a/linux-core/drm_fence.c b/linux-core/drm_fence.c
index ce161dc3..fe11e87b 100644
--- a/linux-core/drm_fence.c
+++ b/linux-core/drm_fence.c
@@ -659,3 +659,313 @@ int drm_fence_ioctl(DRM_IOCTL_ARGS)
DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg));
return ret;
}
+
+int drm_fence_create_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ int ret;
+ drm_fence_manager_t *fm = &dev->fm;
+ drm_fence_arg_t arg;
+ drm_fence_object_t *fence;
+ unsigned long flags;
+ ret = 0;
+
+ if (!fm->initialized) {
+ DRM_ERROR("The DRM driver does not support fencing.\n");
+ return -EINVAL;
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+
+ if (arg.flags & DRM_FENCE_FLAG_EMIT)
+ LOCK_TEST_WITH_RETURN(dev, filp);
+ ret = drm_fence_object_create(dev, arg.class,
+ arg.type, arg.flags, &fence);
+ if (ret)
+ return ret;
+ ret = drm_fence_add_user_object(priv, fence,
+ arg.flags &
+ DRM_FENCE_FLAG_SHAREABLE);
+ if (ret) {
+ drm_fence_usage_deref_unlocked(dev, fence);
+ return ret;
+ }
+
+ /*
+ * usage > 0. No need to lock dev->struct_mutex;
+ */
+
+ atomic_inc(&fence->usage);
+ arg.handle = fence->base.hash.key;
+
+ read_lock_irqsave(&fm->lock, flags);
+ arg.class = fence->class;
+ arg.type = fence->type;
+ arg.signaled = fence->signaled;
+ read_unlock_irqrestore(&fm->lock, flags);
+ drm_fence_usage_deref_unlocked(dev, fence);
+
+ DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg));
+ return ret;
+}
+
+int drm_fence_destroy_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ int ret;
+ drm_fence_manager_t *fm = &dev->fm;
+ drm_fence_arg_t arg;
+ drm_user_object_t *uo;
+ ret = 0;
+
+ if (!fm->initialized) {
+ DRM_ERROR("The DRM driver does not support fencing.\n");
+ return -EINVAL;
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+
+ mutex_lock(&dev->struct_mutex);
+ uo = drm_lookup_user_object(priv, arg.handle);
+ if (!uo || (uo->type != drm_fence_type) || uo->owner != priv) {
+ mutex_unlock(&dev->struct_mutex);
+ return -EINVAL;
+ }
+ ret = drm_remove_user_object(priv, uo);
+ mutex_unlock(&dev->struct_mutex);
+ return ret;
+}
+
+
+int drm_fence_reference_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ int ret;
+ drm_fence_manager_t *fm = &dev->fm;
+ drm_fence_arg_t arg;
+ drm_fence_object_t *fence;
+ drm_user_object_t *uo;
+ unsigned long flags;
+ ret = 0;
+
+ if (!fm->initialized) {
+ DRM_ERROR("The DRM driver does not support fencing.\n");
+ return -EINVAL;
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+ ret = drm_user_object_ref(priv, arg.handle, drm_fence_type, &uo);
+ if (ret)
+ return ret;
+ fence = drm_lookup_fence_object(priv, arg.handle);
+
+ read_lock_irqsave(&fm->lock, flags);
+ arg.class = fence->class;
+ arg.type = fence->type;
+ arg.signaled = fence->signaled;
+ read_unlock_irqrestore(&fm->lock, flags);
+ drm_fence_usage_deref_unlocked(dev, fence);
+
+ DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg));
+ return ret;
+}
+
+
+int drm_fence_unreference_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ int ret;
+ drm_fence_manager_t *fm = &dev->fm;
+ drm_fence_arg_t arg;
+ ret = 0;
+
+ if (!fm->initialized) {
+ DRM_ERROR("The DRM driver does not support fencing.\n");
+ return -EINVAL;
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+ return drm_user_object_unref(priv, arg.handle, drm_fence_type);
+}
+
+int drm_fence_signaled_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ int ret;
+ drm_fence_manager_t *fm = &dev->fm;
+ drm_fence_arg_t arg;
+ drm_fence_object_t *fence;
+ unsigned long flags;
+ ret = 0;
+
+ if (!fm->initialized) {
+ DRM_ERROR("The DRM driver does not support fencing.\n");
+ return -EINVAL;
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+
+ fence = drm_lookup_fence_object(priv, arg.handle);
+ if (!fence)
+ return -EINVAL;
+
+ read_lock_irqsave(&fm->lock, flags);
+ arg.class = fence->class;
+ arg.type = fence->type;
+ arg.signaled = fence->signaled;
+ read_unlock_irqrestore(&fm->lock, flags);
+ drm_fence_usage_deref_unlocked(dev, fence);
+
+ DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg));
+ return ret;
+}
+
+int drm_fence_flush_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ int ret;
+ drm_fence_manager_t *fm = &dev->fm;
+ drm_fence_arg_t arg;
+ drm_fence_object_t *fence;
+ unsigned long flags;
+ ret = 0;
+
+ if (!fm->initialized) {
+ DRM_ERROR("The DRM driver does not support fencing.\n");
+ return -EINVAL;
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+
+ fence = drm_lookup_fence_object(priv, arg.handle);
+ if (!fence)
+ return -EINVAL;
+ ret = drm_fence_object_flush(dev, fence, arg.type);
+
+ read_lock_irqsave(&fm->lock, flags);
+ arg.class = fence->class;
+ arg.type = fence->type;
+ arg.signaled = fence->signaled;
+ read_unlock_irqrestore(&fm->lock, flags);
+ drm_fence_usage_deref_unlocked(dev, fence);
+
+ DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg));
+ return ret;
+}
+
+
+int drm_fence_wait_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ int ret;
+ drm_fence_manager_t *fm = &dev->fm;
+ drm_fence_arg_t arg;
+ drm_fence_object_t *fence;
+ unsigned long flags;
+ ret = 0;
+
+ if (!fm->initialized) {
+ DRM_ERROR("The DRM driver does not support fencing.\n");
+ return -EINVAL;
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+
+ fence = drm_lookup_fence_object(priv, arg.handle);
+ if (!fence)
+ return -EINVAL;
+ ret = drm_fence_object_wait(dev, fence,
+ arg.flags & DRM_FENCE_FLAG_WAIT_LAZY,
+ 0, arg.type);
+
+ read_lock_irqsave(&fm->lock, flags);
+ arg.class = fence->class;
+ arg.type = fence->type;
+ arg.signaled = fence->signaled;
+ read_unlock_irqrestore(&fm->lock, flags);
+ drm_fence_usage_deref_unlocked(dev, fence);
+
+ DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg));
+ return ret;
+}
+
+
+int drm_fence_emit_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ int ret;
+ drm_fence_manager_t *fm = &dev->fm;
+ drm_fence_arg_t arg;
+ drm_fence_object_t *fence;
+ unsigned long flags;
+ ret = 0;
+
+ if (!fm->initialized) {
+ DRM_ERROR("The DRM driver does not support fencing.\n");
+ return -EINVAL;
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+
+ LOCK_TEST_WITH_RETURN(dev, filp);
+ fence = drm_lookup_fence_object(priv, arg.handle);
+ if (!fence)
+ return -EINVAL;
+ ret = drm_fence_object_emit(dev, fence, arg.flags, arg.class,
+ arg.type);
+
+ read_lock_irqsave(&fm->lock, flags);
+ arg.class = fence->class;
+ arg.type = fence->type;
+ arg.signaled = fence->signaled;
+ read_unlock_irqrestore(&fm->lock, flags);
+ drm_fence_usage_deref_unlocked(dev, fence);
+
+ DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg));
+ return ret;
+}
+
+int drm_fence_buffers_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ int ret;
+ drm_fence_manager_t *fm = &dev->fm;
+ drm_fence_arg_t arg;
+ drm_fence_object_t *fence;
+ unsigned long flags;
+ ret = 0;
+
+ if (!fm->initialized) {
+ DRM_ERROR("The DRM driver does not support fencing.\n");
+ return -EINVAL;
+ }
+
+ DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg));
+
+ if (!dev->bm.initialized) {
+ DRM_ERROR("Buffer object manager is not initialized\n");
+ return -EINVAL;
+ }
+ LOCK_TEST_WITH_RETURN(dev, filp);
+ ret = drm_fence_buffer_objects(priv, NULL, arg.flags,
+ NULL, &fence);
+ if (ret)
+ return ret;
+ ret = drm_fence_add_user_object(priv, fence,
+ arg.flags &
+ DRM_FENCE_FLAG_SHAREABLE);
+ if (ret)
+ return ret;
+ atomic_inc(&fence->usage);
+ arg.handle = fence->base.hash.key;
+
+ read_lock_irqsave(&fm->lock, flags);
+ arg.class = fence->class;
+ arg.type = fence->type;
+ arg.signaled = fence->signaled;
+ read_unlock_irqrestore(&fm->lock, flags);
+ drm_fence_usage_deref_unlocked(dev, fence);
+
+ DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg));
+ return ret;
+}
diff --git a/linux-core/drm_objects.h b/linux-core/drm_objects.h
index 7f9c8c37..9576f28a 100644
--- a/linux-core/drm_objects.h
+++ b/linux-core/drm_objects.h
@@ -211,8 +211,16 @@ extern int drm_fence_object_create(struct drm_device *dev, uint32_t type,
drm_fence_object_t ** c_fence);
extern int drm_fence_add_user_object(drm_file_t * priv,
drm_fence_object_t * fence, int shareable);
-extern int drm_fence_ioctl(DRM_IOCTL_ARGS);
+extern int drm_fence_create_ioctl(DRM_IOCTL_ARGS);
+extern int drm_fence_destroy_ioctl(DRM_IOCTL_ARGS);
+extern int drm_fence_reference_ioctl(DRM_IOCTL_ARGS);
+extern int drm_fence_unreference_ioctl(DRM_IOCTL_ARGS);
+extern int drm_fence_signaled_ioctl(DRM_IOCTL_ARGS);
+extern int drm_fence_flush_ioctl(DRM_IOCTL_ARGS);
+extern int drm_fence_wait_ioctl(DRM_IOCTL_ARGS);
+extern int drm_fence_emit_ioctl(DRM_IOCTL_ARGS);
+extern int drm_fence_buffers_ioctl(DRM_IOCTL_ARGS);
/**************************************************
*TTMs
*/
diff --git a/shared-core/drm.h b/shared-core/drm.h
index d561a082..9810321e 100644
--- a/shared-core/drm.h
+++ b/shared-core/drm.h
@@ -677,17 +677,6 @@ typedef struct drm_fence_arg {
unsigned flags;
unsigned signaled;
unsigned expand_pad[4]; /*Future expansion */
- enum {
- drm_fence_create,
- drm_fence_destroy,
- drm_fence_reference,
- drm_fence_unreference,
- drm_fence_signaled,
- drm_fence_flush,
- drm_fence_wait,
- drm_fence_emit,
- drm_fence_buffers
- } op;
} drm_fence_arg_t;
/* Buffer permissions, referring to how the GPU uses the buffers.
@@ -954,19 +943,20 @@ typedef struct drm_mm_init_arg {
#define DRM_IOCTL_FENCE_SIGNALED DRM_IOWR(0xc8, drm_fence_arg_t)
#define DRM_IOCTL_FENCE_FLUSH DRM_IOWR(0xc9, drm_fence_arg_t)
#define DRM_IOCTL_FENCE_WAIT DRM_IOWR(0xca, drm_fence_arg_t)
-#define DRM_IOCTL_FENCE_BUFFERS DRM_IOWR(0xcb, drm_fence_arg_t)
-
-#define DRM_IOCTL_BO_CREATE DRM_IOWR(0xcc, drm_bo_arg_t)
-#define DRM_IOCTL_BO_DESTROY DRM_IOWR(0xcd, drm_bo_arg_t)
-#define DRM_IOCTL_BO_MAP DRM_IOWR(0xce, drm_bo_arg_t)
-#define DRM_IOCTL_BO_UNMAP DRM_IOWR(0xcf, drm_bo_arg_t)
-#define DRM_IOCTL_BO_REFERENCE DRM_IOWR(0xd0, drm_bo_arg_t)
-#define DRM_IOCTL_BO_UNREFERENCE DRM_IOWR(0xd1, drm_bo_arg_t)
-#define DRM_IOCTL_BO_VALIDATE DRM_IOWR(0xd2, drm_bo_arg_t)
-#define DRM_IOCTL_BO_FENCE DRM_IOWR(0xd3, drm_bo_arg_t)
-#define DRM_IOCTL_BO_INFO DRM_IOWR(0xd4, drm_bo_arg_t)
-#define DRM_IOCTL_BO_WAIT_IDLE DRM_IOWR(0xd5, drm_bo_arg_t)
-#define DRM_IOCTL_BO_REF_FENCE DRM_IOWR(0xd6, drm_bo_arg_t)
+#define DRM_IOCTL_FENCE_EMIT DRM_IOWR(0xcb, drm_fence_arg_t)
+#define DRM_IOCTL_FENCE_BUFFERS DRM_IOWR(0xcc, drm_fence_arg_t)
+
+#define DRM_IOCTL_BO_CREATE DRM_IOWR(0xcd, drm_bo_arg_t)
+#define DRM_IOCTL_BO_DESTROY DRM_IOWR(0xce, drm_bo_arg_t)
+#define DRM_IOCTL_BO_MAP DRM_IOWR(0xcf, drm_bo_arg_t)
+#define DRM_IOCTL_BO_UNMAP DRM_IOWR(0xd0, drm_bo_arg_t)
+#define DRM_IOCTL_BO_REFERENCE DRM_IOWR(0xd1, drm_bo_arg_t)
+#define DRM_IOCTL_BO_UNREFERENCE DRM_IOWR(0xd2, drm_bo_arg_t)
+#define DRM_IOCTL_BO_VALIDATE DRM_IOWR(0xd3, drm_bo_arg_t)
+#define DRM_IOCTL_BO_FENCE DRM_IOWR(0xd4, drm_bo_arg_t)
+#define DRM_IOCTL_BO_INFO DRM_IOWR(0xd5, drm_bo_arg_t)
+#define DRM_IOCTL_BO_WAIT_IDLE DRM_IOWR(0xd6, drm_bo_arg_t)
+#define DRM_IOCTL_BO_REF_FENCE DRM_IOWR(0xd7, drm_bo_arg_t)
/*@}*/
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 05:03:07 +0000