diff options
Diffstat (limited to 'linux/drm_ioctl.h')
| -rw-r--r-- | linux/drm_ioctl.h | 84 |
1 files changed, 79 insertions, 5 deletions
diff --git a/linux/drm_ioctl.h b/linux/drm_ioctl.h index 62d5a6e4..8d98000f 100644 --- a/linux/drm_ioctl.h +++ b/linux/drm_ioctl.h @@ -1,4 +1,12 @@ -/* drm_ioctl.h -- IOCTL processing for DRM -*- linux-c -*- +/** + * \file drm_ioctl.h + * IOCTL processing for DRM + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* * Created: Fri Jan 8 09:01:26 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. @@ -23,16 +31,23 @@ * 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: - * Rickard E. (Rik) Faith <faith@valinux.com> - * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ #include "drmP.h" +/** + * Get interrupt from bus id. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_irq_busid structure. + * \return zero on success or a negative number on failure. + * + * Finds the PCI device with the specified bus id and gets its IRQ number. + */ int DRM(irq_busid)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { @@ -85,6 +100,17 @@ int DRM(irq_busid)(struct inode *inode, struct file *filp, return 0; } +/** + * Get the bus id. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_unique structure. + * \return zero on success or a negative number on failure. + * + * Copies the bus id from drm_device::unique into user space. + */ int DRM(getunique)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { @@ -104,6 +130,18 @@ int DRM(getunique)(struct inode *inode, struct file *filp, return 0; } +/** + * Set the bus id. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_unique structure. + * \return zero on success or a negative number on failure. + * + * Copies the bus id from userspace into drm_device::unique, and searches for + * the respective PCI device, updating drm_device::pdev. + */ int DRM(setunique)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { @@ -181,6 +219,19 @@ int DRM(setunique)(struct inode *inode, struct file *filp, } +/** + * Get a mapping information. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_map structure. + * + * \return zero on success or a negative number on failure. + * + * Searches for the mapping with the specified offset and copies its information + * into userspace + */ int DRM(getmap)( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ) { @@ -227,6 +278,19 @@ int DRM(getmap)( struct inode *inode, struct file *filp, return 0; } +/** + * Get client information. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_client structure. + * + * \return zero on success or a negative number on failure. + * + * Searches for the client with the specified index and copies its information + * into userspace + */ int DRM(getclient)( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ) { @@ -260,6 +324,16 @@ int DRM(getclient)( struct inode *inode, struct file *filp, return 0; } +/** + * Get statistics information. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_stats structure. + * + * \return zero on success or a negative number on failure. + */ int DRM(getstats)( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ) { |