include/drm/pvr_drm.h

/* -*- mode: c; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* vi: set ts=8 sw=8 sts=8: */
/*************************************************************************/ /*!
@File
@Title          PVR DRM definitions shared between kernel and user space.
@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
@License        MIT

The contents of this file are subject to the MIT license as set out below.

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
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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"MIT-COPYING".

EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) 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
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*/ /**************************************************************************/

#if !defined(__PVR_DRM_H__)
#define __PVR_DRM_H__

#include "pvr_drm_core.h"

/*
 * IMPORTANT:
 * All structures below are designed to be the same size when compiled for 32
 * and/or 64 bit architectures, i.e. there should be no compiler inserted
 * padding. This is achieved by sticking to the following rules:
 * 1) only use fixed width types
 * 2) always naturally align fields by arranging them appropriately and by using
 *    padding fields when necessary
 *
 * These rules should _always_ be followed when modifying or adding new
 * structures to this file.
 */

struct drm_pvr_srvkm_cmd {
	__u32 bridge_id;
	__u32 bridge_func_id;
	__u64 in_data_ptr;
	__u64 out_data_ptr;
	__u32 in_data_size;
	__u32 out_data_size;
};

struct drm_pvr_dbgdrv_cmd {
	__u32 cmd;
	__u32 pad;
	__u64 in_data_ptr;
	__u64 out_data_ptr;
	__u32 in_data_size;
	__u32 out_data_size;
};

/*
 * DRM command numbers, relative to DRM_COMMAND_BASE.
 * These defines must be prefixed with "DRM_".
 */
#define DRM_PVR_SRVKM_CMD		0 /* Used for PVR Services ioctls */
#define DRM_PVR_DBGDRV_CMD		1 /* Debug driver (PDUMP) ioctls */


/* These defines must be prefixed with "DRM_IOCTL_". */
#define	DRM_IOCTL_PVR_SRVKM_CMD		DRM_IOWR(DRM_COMMAND_BASE + DRM_PVR_SRVKM_CMD, struct drm_pvr_srvkm_cmd)
#define	DRM_IOCTL_PVR_DBGDRV_CMD	DRM_IOWR(DRM_COMMAND_BASE + DRM_PVR_DBGDRV_CMD, struct drm_pvr_dbgdrv_cmd)

#endif /* defined(__PVR_DRM_H__) */