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drm_compat_ioctl(): prepare for conversions to drm_ioctl_kernel()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2017-05-24 13:59:22 -04:00
parent 7f0dfc1625
commit 9f43e542a4
1 changed files with 47 additions and 34 deletions
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81
drivers/gpu/drm/drm_ioc32.c
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@ -1073,40 +1073,43 @@ static int compat_drm_mode_addfb2(struct file *file, unsigned int cmd,
}
#endif
static drm_ioctl_compat_t *drm_compat_ioctls[] = {
[DRM_IOCTL_NR(DRM_IOCTL_VERSION32)] = compat_drm_version,
[DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE32)] = compat_drm_getunique,
[DRM_IOCTL_NR(DRM_IOCTL_GET_MAP32)] = compat_drm_getmap,
[DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT32)] = compat_drm_getclient,
[DRM_IOCTL_NR(DRM_IOCTL_GET_STATS32)] = compat_drm_getstats,
[DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE32)] = compat_drm_setunique,
[DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP32)] = compat_drm_addmap,
[DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS32)] = compat_drm_addbufs,
[DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS32)] = compat_drm_markbufs,
[DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS32)] = compat_drm_infobufs,
[DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS32)] = compat_drm_mapbufs,
[DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS32)] = compat_drm_freebufs,
[DRM_IOCTL_NR(DRM_IOCTL_RM_MAP32)] = compat_drm_rmmap,
[DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX32)] = compat_drm_setsareactx,
[DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX32)] = compat_drm_getsareactx,
[DRM_IOCTL_NR(DRM_IOCTL_RES_CTX32)] = compat_drm_resctx,
[DRM_IOCTL_NR(DRM_IOCTL_DMA32)] = compat_drm_dma,
static struct {
drm_ioctl_compat_t *fn;
char *name;
} drm_compat_ioctls[] = {
[DRM_IOCTL_NR(DRM_IOCTL_VERSION32)].fn = compat_drm_version,
[DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE32)].fn = compat_drm_getunique,
[DRM_IOCTL_NR(DRM_IOCTL_GET_MAP32)].fn = compat_drm_getmap,
[DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT32)].fn = compat_drm_getclient,
[DRM_IOCTL_NR(DRM_IOCTL_GET_STATS32)].fn = compat_drm_getstats,
[DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE32)].fn = compat_drm_setunique,
[DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP32)].fn = compat_drm_addmap,
[DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS32)].fn = compat_drm_addbufs,
[DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS32)].fn = compat_drm_markbufs,
[DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS32)].fn = compat_drm_infobufs,
[DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS32)].fn = compat_drm_mapbufs,
[DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS32)].fn = compat_drm_freebufs,
[DRM_IOCTL_NR(DRM_IOCTL_RM_MAP32)].fn = compat_drm_rmmap,
[DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX32)].fn = compat_drm_setsareactx,
[DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX32)].fn = compat_drm_getsareactx,
[DRM_IOCTL_NR(DRM_IOCTL_RES_CTX32)].fn = compat_drm_resctx,
[DRM_IOCTL_NR(DRM_IOCTL_DMA32)].fn = compat_drm_dma,
#if IS_ENABLED(CONFIG_AGP)
[DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE32)] = compat_drm_agp_enable,
[DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO32)] = compat_drm_agp_info,
[DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC32)] = compat_drm_agp_alloc,
[DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE32)] = compat_drm_agp_free,
[DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND32)] = compat_drm_agp_bind,
[DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND32)] = compat_drm_agp_unbind,
[DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE32)].fn = compat_drm_agp_enable,
[DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO32)].fn = compat_drm_agp_info,
[DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC32)].fn = compat_drm_agp_alloc,
[DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE32)].fn = compat_drm_agp_free,
[DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND32)].fn = compat_drm_agp_bind,
[DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND32)].fn = compat_drm_agp_unbind,
#endif
[DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC32)] = compat_drm_sg_alloc,
[DRM_IOCTL_NR(DRM_IOCTL_SG_FREE32)] = compat_drm_sg_free,
[DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC32)].fn = compat_drm_sg_alloc,
[DRM_IOCTL_NR(DRM_IOCTL_SG_FREE32)].fn = compat_drm_sg_free,
#if defined(CONFIG_X86) || defined(CONFIG_IA64)
[DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW32)] = compat_drm_update_draw,
[DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW32)].fn = compat_drm_update_draw,
#endif
[DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK32)] = compat_drm_wait_vblank,
[DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK32)].fn = compat_drm_wait_vblank,
#if defined(CONFIG_X86) || defined(CONFIG_IA64)
[DRM_IOCTL_NR(DRM_IOCTL_MODE_ADDFB232)] = compat_drm_mode_addfb2,
[DRM_IOCTL_NR(DRM_IOCTL_MODE_ADDFB232)].fn = compat_drm_mode_addfb2,
#endif
};
@ -1137,13 +1140,23 @@ long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
if (nr >= ARRAY_SIZE(drm_compat_ioctls))
return drm_ioctl(filp, cmd, arg);
fn = drm_compat_ioctls[nr];
fn = drm_compat_ioctls[nr].fn;
if (!fn)
return drm_ioctl(filp, cmd, arg);
if (fn != NULL)
if (drm_compat_ioctls[nr].name) {
struct drm_file *file_priv = filp->private_data;
DRM_DEBUG("pid=%d, dev=0x%lx, auth=%d, %s\n",
task_pid_nr(current),
(long)old_encode_dev(file_priv->minor->kdev->devt),
file_priv->authenticated,
drm_compat_ioctls[nr].name);
ret = (*fn) (filp, cmd, arg);
else
ret = drm_ioctl(filp, cmd, arg);
if (ret)
DRM_DEBUG("ret = %d\n", ret);
} else {
ret = (*fn) (filp, cmd, arg);
}
return ret;
}
EXPORT_SYMBOL(drm_compat_ioctl);