include/uapi/drm/qxl_drm.h

Source file repositories/reference/linux-study-clean/include/uapi/drm/qxl_drm.h

File Facts

System
Linux kernel
Corpus path
include/uapi/drm/qxl_drm.h
Extension
.h
Size
4131 bytes
Lines
159
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: implementation source
Status
source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

struct drm_qxl_alloc {
	__u32 size;
	__u32 handle; /* 0 is an invalid handle */
};

struct drm_qxl_map {
	__u64 offset; /* use for mmap system call */
	__u32 handle;
	__u32 pad;
};

/*
 * dest is the bo we are writing the relocation into
 * src is bo we are relocating.
 * *(dest_handle.base_addr + dest_offset) = physical_address(src_handle.addr +
 * src_offset)
 */
#define QXL_RELOC_TYPE_BO 1
#define QXL_RELOC_TYPE_SURF 2

struct drm_qxl_reloc {
	__u64 src_offset; /* offset into src_handle or src buffer */
	__u64 dst_offset; /* offset in dest handle */
	__u32 src_handle; /* dest handle to compute address from */
	__u32 dst_handle; /* 0 if to command buffer */
	__u32 reloc_type;
	__u32 pad;
};

struct drm_qxl_command {
	__u64		command; /* void* */
	__u64		relocs; /* struct drm_qxl_reloc* */
	__u32		type;
	__u32		command_size;
	__u32		relocs_num;
	__u32                pad;
};

struct drm_qxl_execbuffer {
	__u32		flags;		/* for future use */
	__u32		commands_num;
	__u64		commands;	/* struct drm_qxl_command* */
};

struct drm_qxl_update_area {
	__u32 handle;
	__u32 top;
	__u32 left;
	__u32 bottom;
	__u32 right;
	__u32 pad;
};

#define QXL_PARAM_NUM_SURFACES 1 /* rom->n_surfaces */
#define QXL_PARAM_MAX_RELOCS 2
struct drm_qxl_getparam {
	__u64 param;
	__u64 value;
};

/* these are one bit values */
struct drm_qxl_clientcap {
	__u32 index;
	__u32 pad;
};

struct drm_qxl_alloc_surf {
	__u32 format;
	__u32 width;
	__u32 height;
	__s32 stride;
	__u32 handle;
	__u32 pad;
};

#define DRM_IOCTL_QXL_ALLOC \
	DRM_IOWR(DRM_COMMAND_BASE + DRM_QXL_ALLOC, struct drm_qxl_alloc)

#define DRM_IOCTL_QXL_MAP \
	DRM_IOWR(DRM_COMMAND_BASE + DRM_QXL_MAP, struct drm_qxl_map)

#define DRM_IOCTL_QXL_EXECBUFFER \
	DRM_IOW(DRM_COMMAND_BASE + DRM_QXL_EXECBUFFER,\
		struct drm_qxl_execbuffer)

#define DRM_IOCTL_QXL_UPDATE_AREA \
	DRM_IOW(DRM_COMMAND_BASE + DRM_QXL_UPDATE_AREA,\
		struct drm_qxl_update_area)

#define DRM_IOCTL_QXL_GETPARAM \

Annotation

Implementation Notes