summaryrefslogtreecommitdiff
path: root/linux-core/drm_context.c
diff options
context:
space:
mode:
authorIan Romanick <idr@us.ibm.com>2007-07-26 16:58:28 -0700
committerIan Romanick <idr@us.ibm.com>2007-07-26 16:58:28 -0700
commitc561cb4650dc5895acfb3ae00c7ff455be31a860 (patch)
tree65b21097253d216e0385778597031ae288e34023 /linux-core/drm_context.c
parent2bafeb673f14b1e3799bf00817138c0b8211635e (diff)
parent4175dd818110bd10d6d09190d30c271e89202b18 (diff)
Merge branch 'master' of ssh+git://git.freedesktop.org/git/mesa/drm into xgi-0-0-2
Conflicts: linux-core/drmP.h linux-core/drm_scatter.c
Diffstat (limited to 'linux-core/drm_context.c')
-rw-r--r--linux-core/drm_context.c201
1 files changed, 75 insertions, 126 deletions
diff --git a/linux-core/drm_context.c b/linux-core/drm_context.c
index 195c7fb5..7854e89c 100644
--- a/linux-core/drm_context.c
+++ b/linux-core/drm_context.c
@@ -56,7 +56,7 @@
* in drm_device::ctx_idr, while holding the drm_device::struct_mutex
* lock.
*/
-void drm_ctxbitmap_free(drm_device_t * dev, int ctx_handle)
+void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle)
{
mutex_lock(&dev->struct_mutex);
idr_remove(&dev->ctx_idr, ctx_handle);
@@ -72,7 +72,7 @@ void drm_ctxbitmap_free(drm_device_t * dev, int ctx_handle)
* Allocate a new idr from drm_device::ctx_idr while holding the
* drm_device::struct_mutex lock.
*/
-static int drm_ctxbitmap_next(drm_device_t * dev)
+static int drm_ctxbitmap_next(struct drm_device *dev)
{
int new_id;
int ret;
@@ -101,7 +101,7 @@ again:
*
* Initialise the drm_device::ctx_idr
*/
-int drm_ctxbitmap_init(drm_device_t * dev)
+int drm_ctxbitmap_init(struct drm_device *dev)
{
idr_init(&dev->ctx_idr);
return 0;
@@ -115,7 +115,7 @@ int drm_ctxbitmap_init(drm_device_t * dev)
* Free all idr members using drm_ctx_sarea_free helper function
* while holding the drm_device::struct_mutex lock.
*/
-void drm_ctxbitmap_cleanup(drm_device_t * dev)
+void drm_ctxbitmap_cleanup(struct drm_device *dev)
{
mutex_lock(&dev->struct_mutex);
idr_remove_all(&dev->ctx_idr);
@@ -132,7 +132,7 @@ void drm_ctxbitmap_cleanup(drm_device_t * dev)
* Get per-context SAREA.
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv DRM file private.
* \param cmd command.
* \param arg user argument pointing to a drm_ctx_priv_map structure.
* \return zero on success or a negative number on failure.
@@ -140,22 +140,16 @@ void drm_ctxbitmap_cleanup(drm_device_t * dev)
* Gets the map from drm_device::ctx_idr with the handle specified and
* returns its handle.
*/
-int drm_getsareactx(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+int drm_getsareactx(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_ctx_priv_map_t __user *argp = (void __user *)arg;
- drm_ctx_priv_map_t request;
- drm_map_t *map;
- drm_map_list_t *_entry;
-
- if (copy_from_user(&request, argp, sizeof(request)))
- return -EFAULT;
+ struct drm_ctx_priv_map *request = data;
+ struct drm_map *map;
+ struct drm_map_list *_entry;
mutex_lock(&dev->struct_mutex);
- map = idr_find(&dev->ctx_idr, request.ctx_id);
+ map = idr_find(&dev->ctx_idr, request->ctx_id);
if (!map) {
mutex_unlock(&dev->struct_mutex);
return -EINVAL;
@@ -163,19 +157,17 @@ int drm_getsareactx(struct inode *inode, struct file *filp,
mutex_unlock(&dev->struct_mutex);
- request.handle = NULL;
+ request->handle = NULL;
list_for_each_entry(_entry, &dev->maplist, head) {
if (_entry->map == map) {
- request.handle =
+ request->handle =
(void *)(unsigned long)_entry->user_token;
break;
}
}
- if (request.handle == NULL)
+ if (request->handle == NULL)
return -EINVAL;
- if (copy_to_user(argp, &request, sizeof(request)))
- return -EFAULT;
return 0;
}
@@ -183,7 +175,7 @@ int drm_getsareactx(struct inode *inode, struct file *filp,
* Set per-context SAREA.
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv DRM file private.
* \param cmd command.
* \param arg user argument pointing to a drm_ctx_priv_map structure.
* \return zero on success or a negative number on failure.
@@ -191,23 +183,17 @@ int drm_getsareactx(struct inode *inode, struct file *filp,
* Searches the mapping specified in \p arg and update the entry in
* drm_device::ctx_idr with it.
*/
-int drm_setsareactx(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+int drm_setsareactx(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_ctx_priv_map_t request;
- drm_map_t *map = NULL;
- drm_map_list_t *r_list = NULL;
-
- if (copy_from_user(&request,
- (drm_ctx_priv_map_t __user *) arg, sizeof(request)))
- return -EFAULT;
+ struct drm_ctx_priv_map *request = data;
+ struct drm_map *map = NULL;
+ struct drm_map_list *r_list = NULL;
mutex_lock(&dev->struct_mutex);
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)
goto found;
}
bad:
@@ -219,7 +205,7 @@ int drm_setsareactx(struct inode *inode, struct file *filp,
if (!map)
goto bad;
- if (IS_ERR(idr_replace(&dev->ctx_idr, map, request.ctx_id)))
+ if (IS_ERR(idr_replace(&dev->ctx_idr, map, request->ctx_id)))
goto bad;
mutex_unlock(&dev->struct_mutex);
@@ -243,7 +229,7 @@ int drm_setsareactx(struct inode *inode, struct file *filp,
*
* Attempt to set drm_device::context_flag.
*/
-static int drm_context_switch(drm_device_t * dev, int old, int new)
+static int drm_context_switch(struct drm_device *dev, int old, int new)
{
if (test_and_set_bit(0, &dev->context_flag)) {
DRM_ERROR("Reentering -- FIXME\n");
@@ -271,7 +257,7 @@ static int drm_context_switch(drm_device_t * dev, int old, int new)
* hardware lock is held, clears the drm_device::context_flag and wakes up
* drm_device::context_wait.
*/
-static int drm_context_switch_complete(drm_device_t * dev, int new)
+static int drm_context_switch_complete(struct drm_device *dev, int new)
{
dev->last_context = new; /* PRE/POST: This is the _only_ writer. */
dev->last_switch = jiffies;
@@ -293,34 +279,28 @@ static int drm_context_switch_complete(drm_device_t * dev, int new)
* Reserve contexts.
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv DRM file private.
* \param cmd command.
* \param arg user argument pointing to a drm_ctx_res structure.
* \return zero on success or a negative number on failure.
*/
-int drm_resctx(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+int drm_resctx(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- drm_ctx_res_t res;
- drm_ctx_t __user *argp = (void __user *)arg;
- drm_ctx_t ctx;
+ struct drm_ctx_res *res = data;
+ struct drm_ctx ctx;
int i;
- if (copy_from_user(&res, argp, sizeof(res)))
- return -EFAULT;
-
- if (res.count >= DRM_RESERVED_CONTEXTS) {
+ if (res->count >= DRM_RESERVED_CONTEXTS) {
memset(&ctx, 0, sizeof(ctx));
for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) {
ctx.handle = i;
- if (copy_to_user(&res.contexts[i], &ctx, sizeof(ctx)))
+ if (copy_to_user(&res->contexts[i], &ctx, sizeof(ctx)))
return -EFAULT;
}
}
- res.count = DRM_RESERVED_CONTEXTS;
+ res->count = DRM_RESERVED_CONTEXTS;
- if (copy_to_user(argp, &res, sizeof(res)))
- return -EFAULT;
return 0;
}
@@ -328,40 +308,34 @@ int drm_resctx(struct inode *inode, struct file *filp,
* Add context.
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv DRM file private.
* \param cmd command.
* \param arg user argument pointing to a drm_ctx structure.
* \return zero on success or a negative number on failure.
*
* Get a new handle for the context and copy to userspace.
*/
-int drm_addctx(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+int drm_addctx(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_ctx_list_t *ctx_entry;
- drm_ctx_t __user *argp = (void __user *)arg;
- drm_ctx_t ctx;
-
- if (copy_from_user(&ctx, argp, sizeof(ctx)))
- return -EFAULT;
+ struct drm_ctx_list *ctx_entry;
+ struct drm_ctx *ctx = data;
- ctx.handle = drm_ctxbitmap_next(dev);
- if (ctx.handle == DRM_KERNEL_CONTEXT) {
+ ctx->handle = drm_ctxbitmap_next(dev);
+ if (ctx->handle == DRM_KERNEL_CONTEXT) {
/* Skip kernel's context and get a new one. */
- ctx.handle = drm_ctxbitmap_next(dev);
+ ctx->handle = drm_ctxbitmap_next(dev);
}
- DRM_DEBUG("%d\n", ctx.handle);
- if (ctx.handle == -1) {
+ DRM_DEBUG("%d\n", ctx->handle);
+ if (ctx->handle == -1) {
DRM_DEBUG("Not enough free contexts.\n");
/* Should this return -EBUSY instead? */
return -ENOMEM;
}
- if (ctx.handle != DRM_KERNEL_CONTEXT) {
+ if (ctx->handle != DRM_KERNEL_CONTEXT) {
if (dev->driver->context_ctor)
- if (!dev->driver->context_ctor(dev, ctx.handle)) {
+ if (!dev->driver->context_ctor(dev, ctx->handle)) {
DRM_DEBUG("Running out of ctxs or memory.\n");
return -ENOMEM;
}
@@ -374,21 +348,18 @@ int drm_addctx(struct inode *inode, struct file *filp,
}
INIT_LIST_HEAD(&ctx_entry->head);
- ctx_entry->handle = ctx.handle;
- ctx_entry->tag = priv;
+ ctx_entry->handle = ctx->handle;
+ ctx_entry->tag = file_priv;
mutex_lock(&dev->ctxlist_mutex);
list_add(&ctx_entry->head, &dev->ctxlist);
++dev->ctx_count;
mutex_unlock(&dev->ctxlist_mutex);
- if (copy_to_user(argp, &ctx, sizeof(ctx)))
- return -EFAULT;
return 0;
}
-int drm_modctx(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+int drm_modctx(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
/* This does nothing */
return 0;
@@ -398,25 +369,18 @@ int drm_modctx(struct inode *inode, struct file *filp,
* Get context.
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv DRM file private.
* \param cmd command.
* \param arg user argument pointing to a drm_ctx structure.
* \return zero on success or a negative number on failure.
*/
-int drm_getctx(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+int drm_getctx(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
- drm_ctx_t __user *argp = (void __user *)arg;
- drm_ctx_t ctx;
-
- if (copy_from_user(&ctx, argp, sizeof(ctx)))
- return -EFAULT;
+ struct drm_ctx *ctx = data;
/* This is 0, because we don't handle any context flags */
- ctx.flags = 0;
+ ctx->flags = 0;
- if (copy_to_user(argp, &ctx, sizeof(ctx)))
- return -EFAULT;
return 0;
}
@@ -424,50 +388,40 @@ int drm_getctx(struct inode *inode, struct file *filp,
* Switch context.
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv DRM file private.
* \param cmd command.
* \param arg user argument pointing to a drm_ctx structure.
* \return zero on success or a negative number on failure.
*
* Calls context_switch().
*/
-int drm_switchctx(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+int drm_switchctx(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_ctx_t ctx;
-
- if (copy_from_user(&ctx, (drm_ctx_t __user *) arg, sizeof(ctx)))
- return -EFAULT;
+ struct drm_ctx *ctx = data;
- DRM_DEBUG("%d\n", ctx.handle);
- return drm_context_switch(dev, dev->last_context, ctx.handle);
+ DRM_DEBUG("%d\n", ctx->handle);
+ return drm_context_switch(dev, dev->last_context, ctx->handle);
}
/**
* New context.
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv DRM file private.
* \param cmd command.
* \param arg user argument pointing to a drm_ctx structure.
* \return zero on success or a negative number on failure.
*
* Calls context_switch_complete().
*/
-int drm_newctx(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+int drm_newctx(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_ctx_t ctx;
+ struct drm_ctx *ctx = data;
- if (copy_from_user(&ctx, (drm_ctx_t __user *) arg, sizeof(ctx)))
- return -EFAULT;
-
- DRM_DEBUG("%d\n", ctx.handle);
- drm_context_switch_complete(dev, ctx.handle);
+ DRM_DEBUG("%d\n", ctx->handle);
+ drm_context_switch_complete(dev, ctx->handle);
return 0;
}
@@ -476,39 +430,34 @@ int drm_newctx(struct inode *inode, struct file *filp,
* Remove context.
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv DRM file private.
* \param cmd command.
* \param arg user argument pointing to a drm_ctx structure.
* \return zero on success or a negative number on failure.
*
* If not the special kernel context, calls ctxbitmap_free() to free the specified context.
*/
-int drm_rmctx(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+int drm_rmctx(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_ctx_t ctx;
-
- if (copy_from_user(&ctx, (drm_ctx_t __user *) arg, sizeof(ctx)))
- return -EFAULT;
+ struct drm_ctx *ctx = data;
- DRM_DEBUG("%d\n", ctx.handle);
- if (ctx.handle == DRM_KERNEL_CONTEXT + 1) {
- priv->remove_auth_on_close = 1;
+ DRM_DEBUG("%d\n", ctx->handle);
+ if (ctx->handle == DRM_KERNEL_CONTEXT + 1) {
+ file_priv->remove_auth_on_close = 1;
}
- if (ctx.handle != DRM_KERNEL_CONTEXT) {
+ if (ctx->handle != DRM_KERNEL_CONTEXT) {
if (dev->driver->context_dtor)
- dev->driver->context_dtor(dev, ctx.handle);
- drm_ctxbitmap_free(dev, ctx.handle);
+ dev->driver->context_dtor(dev, ctx->handle);
+ drm_ctxbitmap_free(dev, ctx->handle);
}
mutex_lock(&dev->ctxlist_mutex);
if (!list_empty(&dev->ctxlist)) {
- drm_ctx_list_t *pos, *n;
+ struct drm_ctx_list *pos, *n;
list_for_each_entry_safe(pos, n, &dev->ctxlist, head) {
- if (pos->handle == ctx.handle) {
+ if (pos->handle == ctx->handle) {
list_del(&pos->head);
drm_free(pos, sizeof(*pos), DRM_MEM_CTXLIST);
--dev->ctx_count;