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/*
* Copyright © 2014-2015 Broadcom
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef _UAPI_VC4_DRM_H_
#define _UAPI_VC4_DRM_H_
#include "drm.h"
#define DRM_VC4_CREATE_BO 0x03
#define DRM_VC4_MMAP_BO 0x04
#define DRM_VC4_CREATE_SHADER_BO 0x05
#define DRM_IOCTL_VC4_CREATE_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_CREATE_BO, struct drm_vc4_create_bo)
#define DRM_IOCTL_VC4_MMAP_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_MMAP_BO, struct drm_vc4_mmap_bo)
#define DRM_IOCTL_VC4_CREATE_SHADER_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_CREATE_SHADER_BO, struct drm_vc4_create_shader_bo)
/**
* struct drm_vc4_create_bo - ioctl argument for creating VC4 BOs.
*
* There are currently no values for the flags argument, but it may be
* used in a future extension.
*/
struct drm_vc4_create_bo {
__u32 size;
__u32 flags;
/** Returned GEM handle for the BO. */
__u32 handle;
__u32 pad;
};
/**
* struct drm_vc4_mmap_bo - ioctl argument for mapping VC4 BOs.
*
* This doesn't actually perform an mmap. Instead, it returns the
* offset you need to use in an mmap on the DRM device node. This
* means that tools like valgrind end up knowing about the mapped
* memory.
*
* There are currently no values for the flags argument, but it may be
* used in a future extension.
*/
struct drm_vc4_mmap_bo {
/** Handle for the object being mapped. */
__u32 handle;
__u32 flags;
/** offset into the drm node to use for subsequent mmap call. */
__u64 offset;
};
/**
* struct drm_vc4_create_shader_bo - ioctl argument for creating VC4
* shader BOs.
*
* Since allowing a shader to be overwritten while it's also being
* executed from would allow privlege escalation, shaders must be
* created using this ioctl, and they can't be mmapped later.
*/
struct drm_vc4_create_shader_bo {
/* Size of the data argument. */
__u32 size;
/* Flags, currently must be 0. */
__u32 flags;
/* Pointer to the data. */
__u64 data;
/** Returned GEM handle for the BO. */
__u32 handle;
/* Pad, must be 0. */
__u32 pad;
};
#endif /* _UAPI_VC4_DRM_H_ */
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