diff options
Diffstat (limited to 'drm/nouveau/nouveau_abi16.c')
| -rw-r--r-- | drm/nouveau/nouveau_abi16.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drm/nouveau/nouveau_abi16.c b/drm/nouveau/nouveau_abi16.c index 998f5cb2d..7f50cf5f9 100644 --- a/drm/nouveau/nouveau_abi16.c +++ b/drm/nouveau/nouveau_abi16.c @@ -25,6 +25,7 @@ #include <nvif/driver.h> #include <nvif/ioctl.h> #include <nvif/class.h> +#include <nvif/unpack.h> #include "nouveau_drm.h" #include "nouveau_dma.h" @@ -347,6 +348,44 @@ nouveau_abi16_chan(struct nouveau_abi16 *abi16, int channel) } int +nouveau_abi16_usif(struct drm_file *file_priv, void *data, u32 size) +{ + union { + struct nvif_ioctl_v0 v0; + } *args = data; + struct nouveau_abi16_chan *chan; + struct nouveau_abi16 *abi16; + int ret; + + if (nvif_unpack(args->v0, 0, 0, true)) { + switch (args->v0.type) { + case NVIF_IOCTL_V0_NEW: + case NVIF_IOCTL_V0_MTHD: + case NVIF_IOCTL_V0_SCLASS: + break; + default: + return -EACCES; + } + } else + return ret; + + if (!(abi16 = nouveau_abi16(file_priv))) + return -ENOMEM; + + if (args->v0.token != ~0ULL) { + if (!(chan = nouveau_abi16_chan(abi16, args->v0.token))) + return -EINVAL; + args->v0.object = nvif_handle(&chan->chan->user); + args->v0.owner = NVIF_IOCTL_V0_OWNER_ANY; + return 0; + } + + args->v0.object = nvif_handle(&abi16->device.object); + args->v0.owner = NVIF_IOCTL_V0_OWNER_ANY; + return 0; +} + +int nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS) { struct drm_nouveau_channel_free *req = data; |