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path: root/drivers/gpu/drm/nouveau/nouveau_usif.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_usif.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_usif.c57
1 files changed, 44 insertions, 13 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_usif.c b/drivers/gpu/drm/nouveau/nouveau_usif.c
index 9dc10b17ad34..5da1f4d223d7 100644
--- a/drivers/gpu/drm/nouveau/nouveau_usif.c
+++ b/drivers/gpu/drm/nouveau/nouveau_usif.c
@@ -32,6 +32,9 @@
#include <nvif/event.h>
#include <nvif/ioctl.h>
+#include <nvif/class.h>
+#include <nvif/cl0080.h>
+
struct usif_notify_p {
struct drm_pending_event base;
struct {
@@ -261,7 +264,7 @@ usif_object_dtor(struct usif_object *object)
}
static int
-usif_object_new(struct drm_file *f, void *data, u32 size, void *argv, u32 argc)
+usif_object_new(struct drm_file *f, void *data, u32 size, void *argv, u32 argc, bool parent_abi16)
{
struct nouveau_cli *cli = nouveau_cli(f);
struct nvif_client *client = &cli->base;
@@ -271,23 +274,48 @@ usif_object_new(struct drm_file *f, void *data, u32 size, void *argv, u32 argc)
struct usif_object *object;
int ret = -ENOSYS;
+ if ((ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true)))
+ return ret;
+
+ switch (args->v0.oclass) {
+ case NV_DMA_FROM_MEMORY:
+ case NV_DMA_TO_MEMORY:
+ case NV_DMA_IN_MEMORY:
+ return -EINVAL;
+ case NV_DEVICE: {
+ union {
+ struct nv_device_v0 v0;
+ } *args = data;
+
+ if ((ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false)))
+ return ret;
+
+ args->v0.priv = false;
+ break;
+ }
+ default:
+ if (!parent_abi16)
+ return -EINVAL;
+ break;
+ }
+
if (!(object = kmalloc(sizeof(*object), GFP_KERNEL)))
return -ENOMEM;
list_add(&object->head, &cli->objects);
- if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
- object->route = args->v0.route;
- object->token = args->v0.token;
- args->v0.route = NVDRM_OBJECT_USIF;
- args->v0.token = (unsigned long)(void *)object;
- ret = nvif_client_ioctl(client, argv, argc);
- args->v0.token = object->token;
- args->v0.route = object->route;
+ object->route = args->v0.route;
+ object->token = args->v0.token;
+ args->v0.route = NVDRM_OBJECT_USIF;
+ args->v0.token = (unsigned long)(void *)object;
+ ret = nvif_client_ioctl(client, argv, argc);
+ if (ret) {
+ usif_object_dtor(object);
+ return ret;
}
- if (ret)
- usif_object_dtor(object);
- return ret;
+ args->v0.token = object->token;
+ args->v0.route = object->route;
+ return 0;
}
int
@@ -301,6 +329,7 @@ usif_ioctl(struct drm_file *filp, void __user *user, u32 argc)
struct nvif_ioctl_v0 v0;
} *argv = data;
struct usif_object *object;
+ bool abi16 = false;
u8 owner;
int ret;
@@ -331,11 +360,13 @@ usif_ioctl(struct drm_file *filp, void __user *user, u32 argc)
mutex_unlock(&cli->mutex);
goto done;
}
+
+ abi16 = true;
}
switch (argv->v0.type) {
case NVIF_IOCTL_V0_NEW:
- ret = usif_object_new(filp, data, size, argv, argc);
+ ret = usif_object_new(filp, data, size, argv, argc, abi16);
break;
case NVIF_IOCTL_V0_NTFY_NEW:
ret = usif_notify_new(filp, data, size, argv, argc);