aboutsummaryrefslogtreecommitdiff
path: root/drivers/char/drm/drm_bufs.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/drm/drm_bufs.c')
-rw-r--r--drivers/char/drm/drm_bufs.c66
1 files changed, 28 insertions, 38 deletions
diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c
index c115b39b851..e7253874fa8 100644
--- a/drivers/char/drm/drm_bufs.c
+++ b/drivers/char/drm/drm_bufs.c
@@ -92,7 +92,7 @@ static int drm_map_handle(struct drm_device *dev, struct drm_hash_item *hash,
* Ioctl to specify a range of memory that is available for mapping by a non-root process.
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv DRM file private.
* \param cmd command.
* \param arg pointer to a drm_map structure.
* \return zero on success or a negative value on error.
@@ -332,19 +332,15 @@ int drm_addmap(struct drm_device * dev, unsigned int offset,
EXPORT_SYMBOL(drm_addmap);
-int drm_addmap_ioctl(struct inode *inode, struct file *filp,
+int drm_addmap_ioctl(struct inode *inode, struct drm_file *file_priv,
unsigned int cmd, unsigned long arg)
{
- struct drm_file *priv = filp->private_data;
- struct drm_device *dev = priv->head->dev;
+ struct drm_device *dev = file_priv->head->dev;
struct drm_map map;
struct drm_map_list *maplist;
struct drm_map __user *argp = (void __user *)arg;
int err;
- if (!(filp->f_mode & 3))
- return -EACCES; /* Require read/write */
-
if (copy_from_user(&map, argp, sizeof(map))) {
return -EFAULT;
}
@@ -372,7 +368,7 @@ int drm_addmap_ioctl(struct inode *inode, struct file *filp,
* isn't in use.
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv DRM file private.
* \param cmd command.
* \param arg pointer to a struct drm_map structure.
* \return zero on success or a negative value on error.
@@ -453,11 +449,10 @@ int drm_rmmap(struct drm_device *dev, drm_local_map_t *map)
* gets used by drivers that the server doesn't need to care about. This seems
* unlikely.
*/
-int drm_rmmap_ioctl(struct inode *inode, struct file *filp,
+int drm_rmmap_ioctl(struct inode *inode, struct drm_file *file_priv,
unsigned int cmd, unsigned long arg)
{
- struct drm_file *priv = filp->private_data;
- struct drm_device *dev = priv->head->dev;
+ struct drm_device *dev = file_priv->head->dev;
struct drm_map request;
drm_local_map_t *map = NULL;
struct drm_map_list *r_list;
@@ -661,7 +656,7 @@ int drm_addbufs_agp(struct drm_device * dev, struct drm_buf_desc * request)
buf->waiting = 0;
buf->pending = 0;
init_waitqueue_head(&buf->dma_wait);
- buf->filp = NULL;
+ buf->file_priv = NULL;
buf->dev_priv_size = dev->driver->dev_priv_size;
buf->dev_private = drm_alloc(buf->dev_priv_size, DRM_MEM_BUFS);
@@ -872,7 +867,7 @@ int drm_addbufs_pci(struct drm_device * dev, struct drm_buf_desc * request)
buf->waiting = 0;
buf->pending = 0;
init_waitqueue_head(&buf->dma_wait);
- buf->filp = NULL;
+ buf->file_priv = NULL;
buf->dev_priv_size = dev->driver->dev_priv_size;
buf->dev_private = drm_alloc(buf->dev_priv_size,
@@ -1050,7 +1045,7 @@ static int drm_addbufs_sg(struct drm_device * dev, struct drm_buf_desc * request
buf->waiting = 0;
buf->pending = 0;
init_waitqueue_head(&buf->dma_wait);
- buf->filp = NULL;
+ buf->file_priv = NULL;
buf->dev_priv_size = dev->driver->dev_priv_size;
buf->dev_private = drm_alloc(buf->dev_priv_size, DRM_MEM_BUFS);
@@ -1211,7 +1206,7 @@ static int drm_addbufs_fb(struct drm_device * dev, struct drm_buf_desc * request
buf->waiting = 0;
buf->pending = 0;
init_waitqueue_head(&buf->dma_wait);
- buf->filp = NULL;
+ buf->file_priv = NULL;
buf->dev_priv_size = dev->driver->dev_priv_size;
buf->dev_private = drm_alloc(buf->dev_priv_size, DRM_MEM_BUFS);
@@ -1275,7 +1270,7 @@ static int drm_addbufs_fb(struct drm_device * dev, struct drm_buf_desc * request
* Add buffers for DMA transfers (ioctl).
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv DRM file private.
* \param cmd command.
* \param arg pointer to a struct drm_buf_desc request.
* \return zero on success or a negative number on failure.
@@ -1285,12 +1280,11 @@ static int drm_addbufs_fb(struct drm_device * dev, struct drm_buf_desc * request
* addbufs_sg() or addbufs_pci() for AGP, scatter-gather or consistent
* PCI memory respectively.
*/
-int drm_addbufs(struct inode *inode, struct file *filp,
+int drm_addbufs(struct inode *inode, struct drm_file *file_priv,
unsigned int cmd, unsigned long arg)
{
struct drm_buf_desc request;
- struct drm_file *priv = filp->private_data;
- struct drm_device *dev = priv->head->dev;
+ struct drm_device *dev = file_priv->head->dev;
int ret;
if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
@@ -1328,7 +1322,7 @@ int drm_addbufs(struct inode *inode, struct file *filp,
* large buffers can be used for image transfer).
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv DRM file private.
* \param cmd command.
* \param arg pointer to a drm_buf_info structure.
* \return zero on success or a negative number on failure.
@@ -1337,11 +1331,10 @@ int drm_addbufs(struct inode *inode, struct file *filp,
* lock, preventing of allocating more buffers after this call. Information
* about each requested buffer is then copied into user space.
*/
-int drm_infobufs(struct inode *inode, struct file *filp,
+int drm_infobufs(struct inode *inode, struct drm_file *file_priv,
unsigned int cmd, unsigned long arg)
{
- struct drm_file *priv = filp->private_data;
- struct drm_device *dev = priv->head->dev;
+ struct drm_device *dev = file_priv->head->dev;
struct drm_device_dma *dma = dev->dma;
struct drm_buf_info request;
struct drm_buf_info __user *argp = (void __user *)arg;
@@ -1415,7 +1408,7 @@ int drm_infobufs(struct inode *inode, struct file *filp,
* Specifies a low and high water mark for buffer allocation
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv DRM file private.
* \param cmd command.
* \param arg a pointer to a drm_buf_desc structure.
* \return zero on success or a negative number on failure.
@@ -1425,11 +1418,10 @@ int drm_infobufs(struct inode *inode, struct file *filp,
*
* \note This ioctl is deprecated and mostly never used.
*/
-int drm_markbufs(struct inode *inode, struct file *filp,
+int drm_markbufs(struct inode *inode, struct drm_file *file_priv,
unsigned int cmd, unsigned long arg)
{
- struct drm_file *priv = filp->private_data;
- struct drm_device *dev = priv->head->dev;
+ struct drm_device *dev = file_priv->head->dev;
struct drm_device_dma *dma = dev->dma;
struct drm_buf_desc request;
int order;
@@ -1467,7 +1459,7 @@ int drm_markbufs(struct inode *inode, struct file *filp,
* Unreserve the buffers in list, previously reserved using drmDMA.
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv DRM file private.
* \param cmd command.
* \param arg pointer to a drm_buf_free structure.
* \return zero on success or a negative number on failure.
@@ -1475,11 +1467,10 @@ int drm_markbufs(struct inode *inode, struct file *filp,
* Calls free_buffer() for each used buffer.
* This function is primarily used for debugging.
*/
-int drm_freebufs(struct inode *inode, struct file *filp,
+int drm_freebufs(struct inode *inode, struct drm_file *file_priv,
unsigned int cmd, unsigned long arg)
{
- struct drm_file *priv = filp->private_data;
- struct drm_device *dev = priv->head->dev;
+ struct drm_device *dev = file_priv->head->dev;
struct drm_device_dma *dma = dev->dma;
struct drm_buf_free request;
int i;
@@ -1506,7 +1497,7 @@ int drm_freebufs(struct inode *inode, struct file *filp,
return -EINVAL;
}
buf = dma->buflist[idx];
- if (buf->filp != filp) {
+ if (buf->file_priv != file_priv) {
DRM_ERROR("Process %d freeing buffer not owned\n",
current->pid);
return -EINVAL;
@@ -1521,7 +1512,7 @@ int drm_freebufs(struct inode *inode, struct file *filp,
* Maps all of the DMA buffers into client-virtual space (ioctl).
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv DRM file private.
* \param cmd command.
* \param arg pointer to a drm_buf_map structure.
* \return zero on success or a negative number on failure.
@@ -1531,11 +1522,10 @@ int drm_freebufs(struct inode *inode, struct file *filp,
* offset equal to 0, which drm_mmap() interpretes as PCI buffers and calls
* drm_mmap_dma().
*/
-int drm_mapbufs(struct inode *inode, struct file *filp,
+int drm_mapbufs(struct inode *inode, struct drm_file *file_priv,
unsigned int cmd, unsigned long arg)
{
- struct drm_file *priv = filp->private_data;
- struct drm_device *dev = priv->head->dev;
+ struct drm_device *dev = file_priv->head->dev;
struct drm_device_dma *dma = dev->dma;
struct drm_buf_map __user *argp = (void __user *)arg;
int retcode = 0;
@@ -1577,13 +1567,13 @@ int drm_mapbufs(struct inode *inode, struct file *filp,
}
down_write(&current->mm->mmap_sem);
- virtual = do_mmap(filp, 0, map->size,
+ virtual = do_mmap(file_priv->filp, 0, map->size,
PROT_READ | PROT_WRITE,
MAP_SHARED, token);
up_write(&current->mm->mmap_sem);
} else {
down_write(&current->mm->mmap_sem);
- virtual = do_mmap(filp, 0, dma->byte_count,
+ virtual = do_mmap(file_priv->filp, 0, dma->byte_count,
PROT_READ | PROT_WRITE,
MAP_SHARED, 0);
up_write(&current->mm->mmap_sem);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 06:13:55 +0000