xref: /freebsd-11-stable/sys/dev/drm2/i915/i915_ioc32.c

/*-
 * Copyright (C) Paul Mackerras 2005
 * Copyright (C) Alan Hourihane 2005
 * All Rights Reserved.
 *
 * 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 AUTHOR 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.
 *
 * Authors:
 *    Paul Mackerras <paulus@samba.org>
 *    Alan Hourihane <alanh@fairlite.demon.co.uk>
 */

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#include "opt_compat.h"

#ifdef COMPAT_FREEBSD32

/** @file i915_ioc32.c
 * 32-bit ioctl compatibility routines for the i915 DRM.
 */

#include <dev/drm2/drmP.h>
#include <dev/drm2/drm.h>
#include <dev/drm2/i915/i915_drm.h>
#include <dev/drm2/i915/i915_drv.h>
#include <dev/drm2/i915/intel_drv.h>

typedef struct _drm_i915_batchbuffer32 {
	int start;		/* agp offset */
	int used;		/* nr bytes in use */
	int DR1;		/* hw flags for GFX_OP_DRAWRECT_INFO */
	int DR4;		/* window origin for GFX_OP_DRAWRECT_INFO */
	int num_cliprects;	/* mulitpass with multiple cliprects? */
	u32 cliprects;		/* pointer to userspace cliprects */
} drm_i915_batchbuffer32_t;

static int compat_i915_batchbuffer(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
	drm_i915_batchbuffer32_t *batchbuffer32 = data;
	drm_i915_batchbuffer_t batchbuffer;

	batchbuffer.start = batchbuffer32->start;
	batchbuffer.used = batchbuffer32->used;
	batchbuffer.DR1 = batchbuffer32->DR1;
	batchbuffer.DR4 = batchbuffer32->DR4;
	batchbuffer.num_cliprects = batchbuffer32->num_cliprects;
	batchbuffer.cliprects = (void *)(unsigned long)batchbuffer32->cliprects;

	return i915_batchbuffer(dev, (void *)&batchbuffer, file_priv);
}

typedef struct _drm_i915_cmdbuffer32 {
	u32 buf;		/* pointer to userspace command buffer */
	int sz;			/* nr bytes in buf */
	int DR1;		/* hw flags for GFX_OP_DRAWRECT_INFO */
	int DR4;		/* window origin for GFX_OP_DRAWRECT_INFO */
	int num_cliprects;	/* mulitpass with multiple cliprects? */
	u32 cliprects;		/* pointer to userspace cliprects */
} drm_i915_cmdbuffer32_t;

static int compat_i915_cmdbuffer(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
	drm_i915_cmdbuffer32_t *cmdbuffer32 = data;
	drm_i915_cmdbuffer_t cmdbuffer;

	cmdbuffer.sz = cmdbuffer32->sz;
	cmdbuffer.DR1 = cmdbuffer32->DR1;
	cmdbuffer.DR4 = cmdbuffer32->DR4;
	cmdbuffer.num_cliprects = cmdbuffer32->num_cliprects;
	cmdbuffer.cliprects = (void *)(unsigned long)cmdbuffer32->cliprects;

	return i915_cmdbuffer(dev, (void *)&cmdbuffer, file_priv);
}

typedef struct drm_i915_irq_emit32 {
	u32 irq_seq;
} drm_i915_irq_emit32_t;

static int compat_i915_irq_emit(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
	drm_i915_irq_emit32_t *req32 = data;
	drm_i915_irq_emit_t request;

	request.irq_seq = (int *)(unsigned long)req32->irq_seq;

	return i915_irq_emit(dev, (void *)&request, file_priv);
}
typedef struct drm_i915_getparam32 {
	int param;
	u32 value;
} drm_i915_getparam32_t;

static int compat_i915_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
	drm_i915_getparam32_t *req32 = data;
	drm_i915_getparam_t request;

	request.param = req32->param;
	request.value = (void *)(unsigned long)req32->value;

	return i915_getparam(dev, (void *)&request, file_priv);
}

typedef struct drm_i915_mem_alloc32 {
	int region;
	int alignment;
	int size;
	u32 region_offset;	/* offset from start of fb or agp */
} drm_i915_mem_alloc32_t;

struct drm_ioctl_desc i915_compat_ioctls[] = {
	DRM_IOCTL_DEF(DRM_I915_BATCHBUFFER, compat_i915_batchbuffer, DRM_AUTH),
	DRM_IOCTL_DEF(DRM_I915_CMDBUFFER, compat_i915_cmdbuffer, DRM_AUTH),
	DRM_IOCTL_DEF(DRM_I915_GETPARAM, compat_i915_getparam, DRM_AUTH),
	DRM_IOCTL_DEF(DRM_I915_IRQ_EMIT, compat_i915_irq_emit, DRM_AUTH)
};
int i915_compat_ioctls_nr = ARRAY_SIZE(i915_compat_ioctls);

#endif