sys/dev/drm2/i915/i915_ioc32.c

   1 /*-
   2  * Copyright (C) Paul Mackerras 2005
   3  * Copyright (C) Alan Hourihane 2005
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  21  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  23  * IN THE SOFTWARE.
  24  *
  25  * Authors:
  26  *    Paul Mackerras <paulus@samba.org>
  27  *    Alan Hourihane <alanh@fairlite.demon.co.uk>
  28  */
  29
  30 #include <sys/cdefs.h>
  31 __FBSDID("$FreeBSD$");
  32
  33 #ifdef COMPAT_FREEBSD32
  34
  35 /** @file i915_ioc32.c
  36  * 32-bit ioctl compatibility routines for the i915 DRM.
  37  */
  38
  39 #include <dev/drm2/drmP.h>
  40 #include <dev/drm2/drm.h>
  41 #include <dev/drm2/i915/i915_drm.h>
  42 #include <dev/drm2/i915/i915_drv.h>
  43 #include <dev/drm2/i915/intel_drv.h>
  44
  45 typedef struct _drm_i915_batchbuffer32 {
  46         int start;              /* agp offset */
  47         int used;               /* nr bytes in use */
  48         int DR1;                /* hw flags for GFX_OP_DRAWRECT_INFO */
  49         int DR4;                /* window origin for GFX_OP_DRAWRECT_INFO */
  50         int num_cliprects;      /* mulitpass with multiple cliprects? */
  51         u32 cliprects;          /* pointer to userspace cliprects */
  52 } drm_i915_batchbuffer32_t;
  53
  54 static int compat_i915_batchbuffer(struct drm_device *dev, void *data, struct drm_file *file_priv)
  55 {
  56         drm_i915_batchbuffer32_t *batchbuffer32 = data;
  57         drm_i915_batchbuffer_t batchbuffer;
  58
  59         batchbuffer.start = batchbuffer32->start;
  60         batchbuffer.used = batchbuffer32->used;
  61         batchbuffer.DR1 = batchbuffer32->DR1;
  62         batchbuffer.DR4 = batchbuffer32->DR4;
  63         batchbuffer.num_cliprects = batchbuffer32->num_cliprects;
  64         batchbuffer.cliprects = (void *)(unsigned long)batchbuffer32->cliprects;
  65
  66         return i915_batchbuffer(dev, (void *)&batchbuffer, file_priv);
  67 }
  68
  69 typedef struct _drm_i915_cmdbuffer32 {
  70         u32 buf;                /* pointer to userspace command buffer */
  71         int sz;                 /* nr bytes in buf */
  72         int DR1;                /* hw flags for GFX_OP_DRAWRECT_INFO */
  73         int DR4;                /* window origin for GFX_OP_DRAWRECT_INFO */
  74         int num_cliprects;      /* mulitpass with multiple cliprects? */
  75         u32 cliprects;          /* pointer to userspace cliprects */
  76 } drm_i915_cmdbuffer32_t;
  77
  78 static int compat_i915_cmdbuffer(struct drm_device *dev, void *data, struct drm_file *file_priv)
  79 {
  80         drm_i915_cmdbuffer32_t *cmdbuffer32 = data;
  81         drm_i915_cmdbuffer_t cmdbuffer;
  82
  83         cmdbuffer.sz = cmdbuffer32->sz;
  84         cmdbuffer.DR1 = cmdbuffer32->DR1;
  85         cmdbuffer.DR4 = cmdbuffer32->DR4;
  86         cmdbuffer.num_cliprects = cmdbuffer32->num_cliprects;
  87         cmdbuffer.cliprects = (void *)(unsigned long)cmdbuffer32->cliprects;
  88
  89         return i915_cmdbuffer(dev, (void *)&cmdbuffer, file_priv);
  90 }
  91
  92 typedef struct drm_i915_irq_emit32 {
  93         u32 irq_seq;
  94 } drm_i915_irq_emit32_t;
  95
  96 static int compat_i915_irq_emit(struct drm_device *dev, void *data, struct drm_file *file_priv)
  97 {
  98         drm_i915_irq_emit32_t *req32 = data;
  99         drm_i915_irq_emit_t request;
 100
 101         request.irq_seq = (int *)(unsigned long)req32->irq_seq;
 102
 103         return i915_irq_emit(dev, (void *)&request, file_priv);
 104 }
 105 typedef struct drm_i915_getparam32 {
 106         int param;
 107         u32 value;
 108 } drm_i915_getparam32_t;
 109
 110 static int compat_i915_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
 111 {
 112         drm_i915_getparam32_t *req32 = data;
 113         drm_i915_getparam_t request;
 114
 115         request.param = req32->param;
 116         request.value = (void *)(unsigned long)req32->value;
 117
 118         return i915_getparam(dev, (void *)&request, file_priv);
 119 }
 120
 121 typedef struct drm_i915_mem_alloc32 {
 122         int region;
 123         int alignment;
 124         int size;
 125         u32 region_offset;      /* offset from start of fb or agp */
 126 } drm_i915_mem_alloc32_t;
 127
 128 struct drm_ioctl_desc i915_compat_ioctls[] = {
 129         DRM_IOCTL_DEF(DRM_I915_BATCHBUFFER, compat_i915_batchbuffer, DRM_AUTH),
 130         DRM_IOCTL_DEF(DRM_I915_CMDBUFFER, compat_i915_cmdbuffer, DRM_AUTH),
 131         DRM_IOCTL_DEF(DRM_I915_GETPARAM, compat_i915_getparam, DRM_AUTH),
 132         DRM_IOCTL_DEF(DRM_I915_IRQ_EMIT, compat_i915_irq_emit, DRM_AUTH)
 133 };
 134 int i915_compat_ioctls_nr = ARRAY_SIZE(i915_compat_ioctls);
 135
 136 #endif