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| author | Thomas Hellstrom <thellstrom@vmware.com> | 2014-02-26 15:51:57 +0100 |
|---|---|---|
| committer | Thomas Hellstrom <thellstrom@vmware.com> | 2014-03-28 14:19:02 +0100 |
| commit | 4beb6d9fa6a74c189884be4913cfdd24fc8758ac (patch) | |
| tree | 8398718ddaaa97ac5d247088b9cffe741434e672 | |
| parent | c996fd0b956450563454e7ccc97a82ca31f9d043 (diff) | |
| download | linux-4beb6d9fa6a74c189884be4913cfdd24fc8758ac.tar.bz2 | |
drm: Add a function to get the ioctl flags
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
| -rw-r--r-- | drivers/gpu/drm/drm_drv.c | 18 | ||||
| -rw-r--r-- | include/drm/drmP.h | 1 |
2 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index cf2dfb790bf1..03711d00aaae 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -450,3 +450,21 @@ long drm_ioctl(struct file *filp, return retcode; } EXPORT_SYMBOL(drm_ioctl); + +/** + * drm_ioctl_flags - Check for core ioctl and return ioctl permission flags + * + * @nr: Ioctl number. + * @flags: Where to return the ioctl permission flags + */ +bool drm_ioctl_flags(unsigned int nr, unsigned int *flags) +{ + if ((nr >= DRM_COMMAND_END && nr < DRM_CORE_IOCTL_COUNT) || + (nr < DRM_COMMAND_BASE)) { + *flags = drm_ioctls[nr].flags; + return true; + } + + return false; +} +EXPORT_SYMBOL(drm_ioctl_flags); diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 4e24a1a0daeb..e97fc998374c 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -1229,6 +1229,7 @@ extern long drm_ioctl(struct file *filp, extern long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); extern int drm_lastclose(struct drm_device *dev); +extern bool drm_ioctl_flags(unsigned int nr, unsigned int *flags); /* Device support (drm_fops.h) */ extern struct mutex drm_global_mutex; |