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Diffstat (limited to 'linux-core/drm_bufs.c')
-rw-r--r--linux-core/drm_bufs.c371
1 files changed, 153 insertions, 218 deletions
diff --git a/linux-core/drm_bufs.c b/linux-core/drm_bufs.c
index 8793ba0e..60eca60c 100644
--- a/linux-core/drm_bufs.c
+++ b/linux-core/drm_bufs.c
@@ -36,25 +36,22 @@
#include <linux/vmalloc.h>
#include "drmP.h"
-unsigned long drm_get_resource_start(drm_device_t *dev, unsigned int resource)
+unsigned long drm_get_resource_start(struct drm_device *dev, unsigned int resource)
{
return pci_resource_start(dev->pdev, resource);
}
EXPORT_SYMBOL(drm_get_resource_start);
-unsigned long drm_get_resource_len(drm_device_t *dev, unsigned int resource)
+unsigned long drm_get_resource_len(struct drm_device *dev, unsigned int resource)
{
return pci_resource_len(dev->pdev, resource);
}
EXPORT_SYMBOL(drm_get_resource_len);
-static drm_map_list_t *drm_find_matching_map(drm_device_t *dev,
- drm_local_map_t *map)
+struct drm_map_list *drm_find_matching_map(struct drm_device *dev, drm_local_map_t *map)
{
- struct list_head *list;
-
- list_for_each(list, &dev->maplist->head) {
- drm_map_list_t *entry = list_entry(list, drm_map_list_t, head);
+ struct drm_map_list *entry;
+ list_for_each_entry(entry, &dev->maplist, head) {
if (entry->map && map->type == entry->map->type &&
((entry->map->offset == map->offset) ||
(map->type == _DRM_SHM && map->flags==_DRM_CONTAINS_LOCK))) {
@@ -64,8 +61,9 @@ static drm_map_list_t *drm_find_matching_map(drm_device_t *dev,
return NULL;
}
+EXPORT_SYMBOL(drm_find_matching_map);
-static int drm_map_handle(drm_device_t *dev, drm_hash_item_t *hash,
+static int drm_map_handle(struct drm_device *dev, struct drm_hash_item *hash,
unsigned long user_token, int hashed_handle)
{
int use_hashed_handle;
@@ -94,7 +92,7 @@ static int drm_map_handle(drm_device_t *dev, drm_hash_item_t *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.
@@ -103,12 +101,13 @@ static int drm_map_handle(drm_device_t *dev, drm_hash_item_t *hash,
* type. Adds the map to the map list drm_device::maplist. Adds MTRR's where
* applicable and if supported by the kernel.
*/
-static int drm_addmap_core(drm_device_t * dev, unsigned int offset,
- unsigned int size, drm_map_type_t type,
- drm_map_flags_t flags, drm_map_list_t ** maplist)
+static int drm_addmap_core(struct drm_device *dev, unsigned int offset,
+ unsigned int size, enum drm_map_type type,
+ enum drm_map_flags flags,
+ struct drm_map_list **maplist)
{
- drm_map_t *map;
- drm_map_list_t *list;
+ struct drm_map *map;
+ struct drm_map_list *list;
drm_dma_handle_t *dmah;
unsigned long user_token;
int ret;
@@ -214,7 +213,7 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset,
}
break;
case _DRM_AGP: {
- drm_agp_mem_t *entry;
+ struct drm_agp_mem *entry;
int valid = 0;
if (!drm_core_has_AGP(dev)) {
@@ -224,11 +223,17 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset,
#ifdef __alpha__
map->offset += dev->hose->mem_space->start;
#endif
- /* Note: dev->agp->base may actually be 0 when the DRM
- * is not in control of AGP space. But if user space is
- * it should already have added the AGP base itself.
+ /* In some cases (i810 driver), user space may have already
+ * added the AGP base itself, because dev->agp->base previously
+ * only got set during AGP enable. So, only add the base
+ * address if the map's offset isn't already within the
+ * aperture.
*/
- map->offset += dev->agp->base;
+ if (map->offset < dev->agp->base ||
+ map->offset > dev->agp->base +
+ dev->agp->agp_info.aper_size * 1024 * 1024 - 1) {
+ map->offset += dev->agp->base;
+ }
map->mtrr = dev->agp->agp_mtrr; /* for getmap */
/* This assumes the DRM is in total control of AGP space.
@@ -237,14 +242,14 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset,
* skipped and we double check that dev->agp->memory is
* actually set as well as being invalid before EPERM'ing
*/
- for (entry = dev->agp->memory; entry; entry = entry->next) {
+ list_for_each_entry(entry, &dev->agp->memory, head) {
if ((map->offset >= entry->bound) &&
(map->offset + map->size <= entry->bound + entry->pages * PAGE_SIZE)) {
valid = 1;
break;
}
}
- if (dev->agp->memory && !valid) {
+ if (!list_empty(&dev->agp->memory) && !valid) {
drm_free(map, sizeof(*map), DRM_MEM_MAPS);
return -EPERM;
}
@@ -288,7 +293,7 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset,
list->map = map;
mutex_lock(&dev->struct_mutex);
- list_add(&list->head, &dev->maplist->head);
+ list_add(&list->head, &dev->maplist);
/* Assign a 32-bit handle */
@@ -312,11 +317,11 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset,
return 0;
}
-int drm_addmap(drm_device_t * dev, unsigned int offset,
- unsigned int size, drm_map_type_t type,
- drm_map_flags_t flags, drm_local_map_t ** map_ptr)
+int drm_addmap(struct drm_device *dev, unsigned int offset,
+ unsigned int size, enum drm_map_type type,
+ enum drm_map_flags flags, drm_local_map_t ** map_ptr)
{
- drm_map_list_t *list;
+ struct drm_map_list *list;
int rc;
rc = drm_addmap_core(dev, offset, size, type, flags, &list);
@@ -327,38 +332,24 @@ int drm_addmap(drm_device_t * dev, unsigned int offset,
EXPORT_SYMBOL(drm_addmap);
-int drm_addmap_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+int drm_addmap_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
- drm_map_t map;
- drm_map_list_t *maplist;
- drm_map_t __user *argp = (void __user *)arg;
+ struct drm_map *map = data;
+ struct drm_map_list *maplist;
int err;
- if (!(filp->f_mode & 3))
- return -EACCES; /* Require read/write */
-
- if (copy_from_user(&map, argp, sizeof(map))) {
- return -EFAULT;
- }
-
- if (!(capable(CAP_SYS_ADMIN) || map.type == _DRM_AGP))
+ if (!(capable(CAP_SYS_ADMIN) || map->type == _DRM_AGP))
return -EPERM;
- err = drm_addmap_core(dev, map.offset, map.size, map.type, map.flags,
- &maplist);
+ err = drm_addmap_core(dev, map->offset, map->size, map->type,
+ map->flags, &maplist);
if (err)
return err;
- if (copy_to_user(argp, maplist->map, sizeof(drm_map_t)))
- return -EFAULT;
-
/* avoid a warning on 64-bit, this casting isn't very nice, but the API is set so too late */
- if (put_user((void *)(unsigned long)maplist->user_token, &argp->handle))
- return -EFAULT;
+ map->handle = (void *)(unsigned long)maplist->user_token;
return 0;
}
@@ -367,9 +358,9 @@ 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 drm_map_t structure.
+ * \param arg pointer to a struct drm_map structure.
* \return zero on success or a negative value on error.
*
* Searches the map on drm_device::maplist, removes it from the list, see if
@@ -378,31 +369,30 @@ int drm_addmap_ioctl(struct inode *inode, struct file *filp,
*
* \sa drm_addmap
*/
-int drm_rmmap_locked(drm_device_t *dev, drm_local_map_t *map)
+int drm_rmmap_locked(struct drm_device *dev, drm_local_map_t *map)
{
- struct list_head *list;
- drm_map_list_t *r_list = NULL;
+ struct drm_map_list *r_list = NULL, *list_t;
drm_dma_handle_t dmah;
+ int found = 0;
/* Find the list entry for the map and remove it */
- list_for_each(list, &dev->maplist->head) {
- r_list = list_entry(list, drm_map_list_t, head);
-
+ list_for_each_entry_safe(r_list, list_t, &dev->maplist, head) {
if (r_list->map == map) {
- list_del(list);
+ list_del(&r_list->head);
drm_ht_remove_key(&dev->map_hash,
r_list->user_token >> PAGE_SHIFT);
- drm_free(list, sizeof(*list), DRM_MEM_MAPS);
+ drm_free(r_list, sizeof(*r_list), DRM_MEM_MAPS);
+ found = 1;
break;
}
}
+ if (!found) {
+ return -EINVAL;
+ }
/* List has wrapped around to the head pointer, or it's empty and we
* didn't find anything.
*/
- if (list == (&dev->maplist->head)) {
- return -EINVAL;
- }
switch (map->type) {
case _DRM_REGISTERS:
@@ -436,7 +426,7 @@ int drm_rmmap_locked(drm_device_t *dev, drm_local_map_t *map)
}
EXPORT_SYMBOL(drm_rmmap_locked);
-int drm_rmmap(drm_device_t *dev, drm_local_map_t *map)
+int drm_rmmap(struct drm_device *dev, drm_local_map_t *map)
{
int ret;
@@ -457,26 +447,18 @@ EXPORT_SYMBOL(drm_rmmap);
* 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,
- unsigned int cmd, unsigned long arg)
+int drm_rmmap_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
- drm_map_t request;
+ struct drm_map *request = data;
drm_local_map_t *map = NULL;
- struct list_head *list;
+ struct drm_map_list *r_list;
int ret;
- if (copy_from_user(&request, (drm_map_t __user *) arg, sizeof(request))) {
- return -EFAULT;
- }
-
mutex_lock(&dev->struct_mutex);
- list_for_each(list, &dev->maplist->head) {
- drm_map_list_t *r_list = list_entry(list, drm_map_list_t, head);
-
+ list_for_each_entry(r_list, &dev->maplist, head) {
if (r_list->map &&
- r_list->user_token == (unsigned long)request.handle &&
+ r_list->user_token == (unsigned long)request->handle &&
r_list->map->flags & _DRM_REMOVABLE) {
map = r_list->map;
break;
@@ -486,12 +468,7 @@ int drm_rmmap_ioctl(struct inode *inode, struct file *filp,
/* List has wrapped around to the head pointer, or its empty we didn't
* find anything.
*/
- if (list == (&dev->maplist->head)) {
- mutex_unlock(&dev->struct_mutex);
- return -EINVAL;
- }
-
- if (!map) {
+ if (list_empty(&dev->maplist) || !map) {
mutex_unlock(&dev->struct_mutex);
return -EINVAL;
}
@@ -517,7 +494,7 @@ int drm_rmmap_ioctl(struct inode *inode, struct file *filp,
*
* Frees any pages and buffers associated with the given entry.
*/
-static void drm_cleanup_buf_error(drm_device_t * dev, drm_buf_entry_t * entry)
+static void drm_cleanup_buf_error(struct drm_device *dev, struct drm_buf_entry * entry)
{
int i;
@@ -554,20 +531,20 @@ static void drm_cleanup_buf_error(drm_device_t * dev, drm_buf_entry_t * entry)
/**
* Add AGP buffers for DMA transfers
*
- * \param dev drm_device_t to which the buffers are to be added.
- * \param request pointer to a drm_buf_desc_t describing the request.
+ * \param dev struct drm_device to which the buffers are to be added.
+ * \param request pointer to a struct drm_buf_desc describing the request.
* \return zero on success or a negative number on failure.
*
* After some sanity checks creates a drm_buf structure for each buffer and
* reallocates the buffer list of the same size order to accommodate the new
* buffers.
*/
-int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request)
+int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request)
{
- drm_device_dma_t *dma = dev->dma;
- drm_buf_entry_t *entry;
- drm_agp_mem_t *agp_entry;
- drm_buf_t *buf;
+ struct drm_device_dma *dma = dev->dma;
+ struct drm_buf_entry *entry;
+ struct drm_agp_mem *agp_entry;
+ struct drm_buf *buf;
unsigned long offset;
unsigned long agp_offset;
int count;
@@ -578,7 +555,7 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request)
int total;
int byte_count;
int i, valid;
- drm_buf_t **temp_buflist;
+ struct drm_buf **temp_buflist;
if (!dma)
return -EINVAL;
@@ -610,14 +587,14 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request)
/* Make sure buffers are located in AGP memory that we own */
valid = 0;
- for (agp_entry = dev->agp->memory; agp_entry; agp_entry = agp_entry->next) {
+ list_for_each_entry(agp_entry, &dev->agp->memory, head) {
if ((agp_offset >= agp_entry->bound) &&
(agp_offset + total * count <= agp_entry->bound + agp_entry->pages * PAGE_SIZE)) {
valid = 1;
break;
}
}
- if (dev->agp->memory && !valid) {
+ if (!list_empty(&dev->agp->memory) && !valid) {
DRM_DEBUG("zone invalid\n");
return -EINVAL;
}
@@ -671,7 +648,7 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * 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);
@@ -732,24 +709,24 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request)
EXPORT_SYMBOL(drm_addbufs_agp);
#endif /* __OS_HAS_AGP */
-int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
+int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request)
{
- drm_device_dma_t *dma = dev->dma;
+ struct drm_device_dma *dma = dev->dma;
int count;
int order;
int size;
int total;
int page_order;
- drm_buf_entry_t *entry;
+ struct drm_buf_entry *entry;
drm_dma_handle_t *dmah;
- drm_buf_t *buf;
+ struct drm_buf *buf;
int alignment;
unsigned long offset;
int i;
int byte_count;
int page_count;
unsigned long *temp_pagelist;
- drm_buf_t **temp_buflist;
+ struct drm_buf **temp_buflist;
if (!drm_core_check_feature(dev, DRIVER_PCI_DMA))
return -EINVAL;
@@ -882,7 +859,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * 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,
@@ -958,11 +935,11 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
}
EXPORT_SYMBOL(drm_addbufs_pci);
-static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request)
+static int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc * request)
{
- drm_device_dma_t *dma = dev->dma;
- drm_buf_entry_t *entry;
- drm_buf_t *buf;
+ struct drm_device_dma *dma = dev->dma;
+ struct drm_buf_entry *entry;
+ struct drm_buf *buf;
unsigned long offset;
unsigned long agp_offset;
int count;
@@ -973,7 +950,7 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request)
int total;
int byte_count;
int i;
- drm_buf_t **temp_buflist;
+ struct drm_buf **temp_buflist;
if (!drm_core_check_feature(dev, DRIVER_SG))
return -EINVAL;
@@ -1060,7 +1037,7 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * 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);
@@ -1120,11 +1097,11 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request)
return 0;
}
-int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
+int drm_addbufs_fb(struct drm_device *dev, struct drm_buf_desc *request)
{
- drm_device_dma_t *dma = dev->dma;
- drm_buf_entry_t *entry;
- drm_buf_t *buf;
+ struct drm_device_dma *dma = dev->dma;
+ struct drm_buf_entry *entry;
+ struct drm_buf *buf;
unsigned long offset;
unsigned long agp_offset;
int count;
@@ -1135,7 +1112,7 @@ int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
int total;
int byte_count;
int i;
- drm_buf_t **temp_buflist;
+ struct drm_buf **temp_buflist;
if (!drm_core_check_feature(dev, DRIVER_FB_DMA))
return -EINVAL;
@@ -1221,7 +1198,7 @@ int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * 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);
@@ -1286,9 +1263,9 @@ EXPORT_SYMBOL(drm_addbufs_fb);
* 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 drm_buf_desc_t request.
+ * \param arg pointer to a struct drm_buf_desc request.
* \return zero on success or a negative number on failure.
*
* According with the memory type specified in drm_buf_desc::flags and the
@@ -1296,39 +1273,27 @@ EXPORT_SYMBOL(drm_addbufs_fb);
* addbufs_sg() or addbufs_pci() for AGP, scatter-gather or consistent
* PCI memory respectively.
*/
-int drm_addbufs(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+int drm_addbufs(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- drm_buf_desc_t request;
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
+ struct drm_buf_desc *request = data;
int ret;
if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
return -EINVAL;
- if (copy_from_user(&request, (drm_buf_desc_t __user *) arg,
- sizeof(request)))
- return -EFAULT;
-
#if __OS_HAS_AGP
- if (request.flags & _DRM_AGP_BUFFER)
- ret = drm_addbufs_agp(dev, &request);
+ if (request->flags & _DRM_AGP_BUFFER)
+ ret = drm_addbufs_agp(dev, request);
else
#endif
- if (request.flags & _DRM_SG_BUFFER)
- ret = drm_addbufs_sg(dev, &request);
- else if (request.flags & _DRM_FB_BUFFER)
- ret = drm_addbufs_fb(dev, &request);
+ if (request->flags & _DRM_SG_BUFFER)
+ ret = drm_addbufs_sg(dev, request);
+ else if (request->flags & _DRM_FB_BUFFER)
+ ret = drm_addbufs_fb(dev, request);
else
- ret = drm_addbufs_pci(dev, &request);
+ ret = drm_addbufs_pci(dev, request);
- if (ret == 0) {
- if (copy_to_user((void __user *) arg, &request,
- sizeof(request))) {
- ret = -EFAULT;
- }
- }
return ret;
}
@@ -1340,7 +1305,7 @@ 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.
@@ -1349,14 +1314,11 @@ 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,
- unsigned int cmd, unsigned long arg)
+int drm_infobufs(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
- drm_device_dma_t *dma = dev->dma;
- drm_buf_info_t request;
- drm_buf_info_t __user *argp = (void __user *)arg;
+ struct drm_device_dma *dma = dev->dma;
+ struct drm_buf_info *request = data;
int i;
int count;
@@ -1374,9 +1336,6 @@ int drm_infobufs(struct inode *inode, struct file *filp,
++dev->buf_use; /* Can't allocate more after this call */
spin_unlock(&dev->count_lock);
- if (copy_from_user(&request, argp, sizeof(request)))
- return -EFAULT;
-
for (i = 0, count = 0; i < DRM_MAX_ORDER + 1; i++) {
if (dma->bufs[i].buf_count)
++count;
@@ -1384,13 +1343,13 @@ int drm_infobufs(struct inode *inode, struct file *filp,
DRM_DEBUG("count = %d\n", count);
- if (request.count >= count) {
+ if (request->count >= count) {
for (i = 0, count = 0; i < DRM_MAX_ORDER + 1; i++) {
if (dma->bufs[i].buf_count) {
- drm_buf_desc_t __user *to =
- &request.list[count];
- drm_buf_entry_t *from = &dma->bufs[i];
- drm_freelist_t *list = &dma->bufs[i].freelist;
+ struct drm_buf_desc __user *to =
+ &request->list[count];
+ struct drm_buf_entry *from = &dma->bufs[i];
+ struct drm_freelist *list = &dma->bufs[i].freelist;
if (copy_to_user(&to->count,
&from->buf_count,
sizeof(from->buf_count)) ||
@@ -1415,10 +1374,7 @@ int drm_infobufs(struct inode *inode, struct file *filp,
}
}
}
- request.count = count;
-
- if (copy_to_user(argp, &request, sizeof(request)))
- return -EFAULT;
+ request->count = count;
return 0;
}
@@ -1427,7 +1383,7 @@ 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.
@@ -1437,15 +1393,13 @@ 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,
- unsigned int cmd, unsigned long arg)
+int drm_markbufs(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
- drm_device_dma_t *dma = dev->dma;
- drm_buf_desc_t request;
+ struct drm_device_dma *dma = dev->dma;
+ struct drm_buf_desc *request = data;
int order;
- drm_buf_entry_t *entry;
+ struct drm_buf_entry *entry;
if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
return -EINVAL;
@@ -1453,24 +1407,20 @@ int drm_markbufs(struct inode *inode, struct file *filp,
if (!dma)
return -EINVAL;
- if (copy_from_user(&request,
- (drm_buf_desc_t __user *) arg, sizeof(request)))
- return -EFAULT;
-
DRM_DEBUG("%d, %d, %d\n",
- request.size, request.low_mark, request.high_mark);
- order = drm_order(request.size);
+ request->size, request->low_mark, request->high_mark);
+ order = drm_order(request->size);
if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER)
return -EINVAL;
entry = &dma->bufs[order];
- if (request.low_mark < 0 || request.low_mark > entry->buf_count)
+ if (request->low_mark < 0 || request->low_mark > entry->buf_count)
return -EINVAL;
- if (request.high_mark < 0 || request.high_mark > entry->buf_count)
+ if (request->high_mark < 0 || request->high_mark > entry->buf_count)
return -EINVAL;
- entry->freelist.low_mark = request.low_mark;
- entry->freelist.high_mark = request.high_mark;
+ entry->freelist.low_mark = request->low_mark;
+ entry->freelist.high_mark = request->high_mark;
return 0;
}
@@ -1479,7 +1429,7 @@ 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.
@@ -1487,16 +1437,14 @@ 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,
- unsigned int cmd, unsigned long arg)
+int drm_freebufs(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
- drm_device_dma_t *dma = dev->dma;
- drm_buf_free_t request;
+ struct drm_device_dma *dma = dev->dma;
+ struct drm_buf_free *request = data;
int i;
int idx;
- drm_buf_t *buf;
+ struct drm_buf *buf;
if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
return -EINVAL;
@@ -1504,13 +1452,9 @@ int drm_freebufs(struct inode *inode, struct file *filp,
if (!dma)
return -EINVAL;
- if (copy_from_user(&request,
- (drm_buf_free_t __user *) arg, sizeof(request)))
- return -EFAULT;
-
- DRM_DEBUG("%d\n", request.count);
- for (i = 0; i < request.count; i++) {
- if (copy_from_user(&idx, &request.list[i], sizeof(idx)))
+ DRM_DEBUG("%d\n", request->count);
+ for (i = 0; i < request->count; i++) {
+ if (copy_from_user(&idx, &request->list[i], sizeof(idx)))
return -EFAULT;
if (idx < 0 || idx >= dma->buf_count) {
DRM_ERROR("Index %d (of %d max)\n",
@@ -1518,7 +1462,7 @@ 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;
@@ -1533,7 +1477,7 @@ 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.
@@ -1543,18 +1487,15 @@ 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,
- unsigned int cmd, unsigned long arg)
+int drm_mapbufs(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
- drm_device_dma_t *dma = dev->dma;
- drm_buf_map_t __user *argp = (void __user *)arg;
+ struct drm_device_dma *dma = dev->dma;
int retcode = 0;
const int zero = 0;
unsigned long virtual;
unsigned long address;
- drm_buf_map_t request;
+ struct drm_buf_map *request = data;
int i;
if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
@@ -1571,16 +1512,13 @@ int drm_mapbufs(struct inode *inode, struct file *filp,
dev->buf_use++; /* Can't allocate more after this call */
spin_unlock(&dev->count_lock);
- if (copy_from_user(&request, argp, sizeof(request)))
- return -EFAULT;
-
- if (request.count >= dma->buf_count) {
+ if (request->count >= dma->buf_count) {
if ((drm_core_has_AGP(dev) && (dma->flags & _DRM_DMA_USE_AGP))
|| (drm_core_check_feature(dev, DRIVER_SG)
&& (dma->flags & _DRM_DMA_USE_SG))
|| (drm_core_check_feature(dev, DRIVER_FB_DMA)
&& (dma->flags & _DRM_DMA_USE_FB))) {
- drm_map_t *map = dev->agp_buffer_map;
+ struct drm_map *map = dev->agp_buffer_map;
unsigned long token = dev->agp_buffer_token;
if (!map) {
@@ -1588,14 +1526,14 @@ int drm_mapbufs(struct inode *inode, struct file *filp,
goto done;
}
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);
@@ -1605,28 +1543,28 @@ int drm_mapbufs(struct inode *inode, struct file *filp,
retcode = (signed long)virtual;
goto done;
}
- request.virtual = (void __user *)virtual;
+ request->virtual = (void __user *)virtual;
for (i = 0; i < dma->buf_count; i++) {
- if (copy_to_user(&request.list[i].idx,
+ if (copy_to_user(&request->list[i].idx,
&dma->buflist[i]->idx,
- sizeof(request.list[0].idx))) {
+ sizeof(request->list[0].idx))) {
retcode = -EFAULT;
goto done;
}
- if (copy_to_user(&request.list[i].total,
+ if (copy_to_user(&request->list[i].total,
&dma->buflist[i]->total,
- sizeof(request.list[0].total))) {
+ sizeof(request->list[0].total))) {
retcode = -EFAULT;
goto done;
}
- if (copy_to_user(&request.list[i].used,
+ if (copy_to_user(&request->list[i].used,
&zero, sizeof(zero))) {
retcode = -EFAULT;
goto done;
}
address = virtual + dma->buflist[i]->offset; /* *** */
- if (copy_to_user(&request.list[i].address,
+ if (copy_to_user(&request->list[i].address,
&address, sizeof(address))) {
retcode = -EFAULT;
goto done;
@@ -1634,11 +1572,8 @@ int drm_mapbufs(struct inode *inode, struct file *filp,
}
}
done:
- request.count = dma->buf_count;
- DRM_DEBUG("%d buffers, retcode = %d\n", request.count, retcode);
-
- if (copy_to_user(argp, &request, sizeof(request)))
- return -EFAULT;
+ request->count = dma->buf_count;
+ DRM_DEBUG("%d buffers, retcode = %d\n", request->count, retcode);
return retcode;
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-06-09 05:55:03 +0000