diff options
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/drm/ivpu_accel.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/include/uapi/drm/ivpu_accel.h b/include/uapi/drm/ivpu_accel.h index 543347df51a1..093b83c5697e 100644 --- a/include/uapi/drm/ivpu_accel.h +++ b/include/uapi/drm/ivpu_accel.h @@ -17,6 +17,8 @@ extern "C" { #define DRM_IVPU_GET_PARAM 0x00 #define DRM_IVPU_SET_PARAM 0x01 +#define DRM_IVPU_BO_CREATE 0x02 +#define DRM_IVPU_BO_INFO 0x03 #define DRM_IOCTL_IVPU_GET_PARAM \ DRM_IOWR(DRM_COMMAND_BASE + DRM_IVPU_GET_PARAM, struct drm_ivpu_param) @@ -24,6 +26,12 @@ extern "C" { #define DRM_IOCTL_IVPU_SET_PARAM \ DRM_IOW(DRM_COMMAND_BASE + DRM_IVPU_SET_PARAM, struct drm_ivpu_param) +#define DRM_IOCTL_IVPU_BO_CREATE \ + DRM_IOWR(DRM_COMMAND_BASE + DRM_IVPU_BO_CREATE, struct drm_ivpu_bo_create) + +#define DRM_IOCTL_IVPU_BO_INFO \ + DRM_IOWR(DRM_COMMAND_BASE + DRM_IVPU_BO_INFO, struct drm_ivpu_bo_info) + /** * DOC: contexts * @@ -92,6 +100,92 @@ struct drm_ivpu_param { __u64 value; }; +#define DRM_IVPU_BO_HIGH_MEM 0x00000001 +#define DRM_IVPU_BO_MAPPABLE 0x00000002 + +#define DRM_IVPU_BO_CACHED 0x00000000 +#define DRM_IVPU_BO_UNCACHED 0x00010000 +#define DRM_IVPU_BO_WC 0x00020000 +#define DRM_IVPU_BO_CACHE_MASK 0x00030000 + +#define DRM_IVPU_BO_FLAGS \ + (DRM_IVPU_BO_HIGH_MEM | \ + DRM_IVPU_BO_MAPPABLE | \ + DRM_IVPU_BO_CACHE_MASK) + +/** + * struct drm_ivpu_bo_create - Create BO backed by SHMEM + * + * Create GEM buffer object allocated in SHMEM memory. + */ +struct drm_ivpu_bo_create { + /** @size: The size in bytes of the allocated memory */ + __u64 size; + + /** + * @flags: + * + * Supported flags: + * + * %DRM_IVPU_BO_HIGH_MEM: + * + * Allocate VPU address from >4GB range. + * Buffer object with vpu address >4GB can be always accessed by the + * VPU DMA engine, but some HW generation may not be able to access + * this memory from then firmware running on the VPU management processor. + * Suitable for input, output and some scratch buffers. + * + * %DRM_IVPU_BO_MAPPABLE: + * + * Buffer object can be mapped using mmap(). + * + * %DRM_IVPU_BO_CACHED: + * + * Allocated BO will be cached on host side (WB) and snooped on the VPU side. + * This is the default caching mode. + * + * %DRM_IVPU_BO_UNCACHED: + * + * Allocated BO will not be cached on host side nor snooped on the VPU side. + * + * %DRM_IVPU_BO_WC: + * + * Allocated BO will use write combining buffer for writes but reads will be + * uncached. + */ + __u32 flags; + + /** @handle: Returned GEM object handle */ + __u32 handle; + + /** @vpu_addr: Returned VPU virtual address */ + __u64 vpu_addr; +}; + +/** + * struct drm_ivpu_bo_info - Query buffer object info + */ +struct drm_ivpu_bo_info { + /** @handle: Handle of the queried BO */ + __u32 handle; + + /** @flags: Returned flags used to create the BO */ + __u32 flags; + + /** @vpu_addr: Returned VPU virtual address */ + __u64 vpu_addr; + + /** + * @mmap_offset: + * + * Returned offset to be used in mmap(). 0 in case the BO is not mappable. + */ + __u64 mmap_offset; + + /** @size: Returned GEM object size, aligned to PAGE_SIZE */ + __u64 size; +}; + #if defined(__cplusplus) } #endif |