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drm_ctx_dtor.patch Submitted by: Erdi Chen

main
Keith Whitwell 2004-02-20 22:55:12 +00:00
parent 213247a441
commit 82157579b5
8 changed files with 144 additions and 0 deletions
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16
linux-core/drmP.h
View File

@ -158,6 +158,7 @@
#define DRM_MEM_CTXBITMAP 18
#define DRM_MEM_STUB 19
#define DRM_MEM_SGLISTS 20
#define DRM_MEM_CTXLIST 21
#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
@ -651,6 +652,15 @@ typedef struct drm_map_list {
typedef drm_map_t drm_local_map_t;
/**
* Context handle list
*/
typedef struct drm_ctx_list {
struct list_head head; /**< list head */
drm_context_t handle; /**< context handle */
drm_file_t *tag; /**< associated fd private data */
} drm_ctx_list_t;
#if __HAVE_VBL_IRQ
typedef struct drm_vbl_sig {
@ -711,6 +721,12 @@ typedef struct drm_device {
drm_map_list_t *maplist; /**< Linked list of regions */
int map_count; /**< Number of mappable regions */
/** \name Context handle management */
/*@{*/
drm_ctx_list_t *ctxlist; /**< Linked list of context handles */
int ctx_count; /**< Number of context handles */
struct semaphore ctxlist_sem; /**< For ctxlist */
drm_map_t **context_sareas; /**< per-context SAREA's */
int max_context;

29
linux-core/drm_context.c
View File

@ -402,6 +402,7 @@ int DRM(addctx)( struct inode *inode, struct file *filp,
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_ctx_list_t * ctx_entry;
drm_ctx_t ctx;
if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) )
@ -422,6 +423,20 @@ int DRM(addctx)( struct inode *inode, struct file *filp,
if ( ctx.handle != DRM_KERNEL_CONTEXT )
DRIVER_CTX_CTOR(ctx.handle); /* XXX: also pass dev ? */
#endif
ctx_entry = DRM(alloc)( sizeof(*ctx_entry), DRM_MEM_CTXLIST );
if ( !ctx_entry ) {
DRM_DEBUG("out of memory\n");
return -ENOMEM;
}
INIT_LIST_HEAD( &ctx_entry->head );
ctx_entry->handle = ctx.handle;
ctx_entry->tag = priv;
down( &dev->ctxlist_sem );
list_add( &ctx_entry->head, &dev->ctxlist->head );
++dev->ctx_count;
up( &dev->ctxlist_sem );
if ( copy_to_user( (drm_ctx_t *)arg, &ctx, sizeof(ctx) ) )
return -EFAULT;
@ -544,6 +559,20 @@ int DRM(rmctx)( struct inode *inode, struct file *filp,
DRM(ctxbitmap_free)( dev, ctx.handle );
}
down( &dev->ctxlist_sem );
if ( !list_empty( &dev->ctxlist->head ) ) {
drm_ctx_list_t *pos, *n;
list_for_each_entry_safe( pos, n, &dev->ctxlist->head, head ) {
if ( pos->handle == ctx.handle ) {
list_del( &pos->head );
DRM(free)( pos, sizeof(*pos), DRM_MEM_CTXLIST );
--dev->ctx_count;
}
}
}
up( &dev->ctxlist_sem );
return 0;
}

26
linux-core/drm_drv.c
View File

@ -329,6 +329,12 @@ static int DRM(setup)( drm_device_t *dev )
memset(dev->maplist, 0, sizeof(*dev->maplist));
INIT_LIST_HEAD(&dev->maplist->head);
dev->ctxlist = DRM(alloc)(sizeof(*dev->ctxlist),
DRM_MEM_CTXLIST);
if(dev->ctxlist == NULL) return -ENOMEM;
memset(dev->ctxlist, 0, sizeof(*dev->ctxlist));
INIT_LIST_HEAD(&dev->ctxlist->head);
dev->vmalist = NULL;
dev->sigdata.lock = dev->lock.hw_lock = NULL;
init_waitqueue_head( &dev->lock.lock_queue );
@ -567,6 +573,7 @@ static int DRM(probe)(struct pci_dev *pdev)
dev->count_lock = SPIN_LOCK_UNLOCKED;
init_timer( &dev->timer );
sema_init( &dev->struct_sem, 1 );
sema_init( &dev->ctxlist_sem, 1 );
if ((dev->minor = DRM(stub_register)(DRIVER_NAME, &DRM(fops),dev)) < 0)
return -EPERM;
@ -896,6 +903,25 @@ int DRM(release)( struct inode *inode, struct file *filp )
DRM(fasync)( -1, filp, 0 );
down( &dev->ctxlist_sem );
if ( !list_empty( &dev->ctxlist->head ) ) {
drm_ctx_list_t *pos, *n;
list_for_each_entry_safe( pos, n, &dev->ctxlist->head, head ) {
if ( pos->tag == priv &&
pos->handle != DRM_KERNEL_CONTEXT ) {
#ifdef DRIVER_CTX_DTOR
DRIVER_CTX_DTOR(pos->handle);
#endif
DRM(ctxbitmap_free)( dev, pos->handle );
list_del( &pos->head );
DRM(free)( pos, sizeof(*pos), DRM_MEM_CTXLIST );
}
}
}
up( &dev->ctxlist_sem );
down( &dev->struct_sem );
if ( priv->remove_auth_on_close == 1 ) {
drm_file_t *temp = dev->file_first;

1
linux-core/drm_memory_debug.h
View File

@ -68,6 +68,7 @@ static drm_mem_stats_t DRM(mem_stats)[] = {
[DRM_MEM_TOTALAGP] = { "totalagp" },
[DRM_MEM_BOUNDAGP] = { "boundagp" },
[DRM_MEM_CTXBITMAP] = { "ctxbitmap"},
[DRM_MEM_CTXLIST] = { "ctxlist" },
[DRM_MEM_STUB] = { "stub" },
{ NULL, 0, } /* Last entry must be null */
};

16
linux/drmP.h
View File

@ -158,6 +158,7 @@
#define DRM_MEM_CTXBITMAP 18
#define DRM_MEM_STUB 19
#define DRM_MEM_SGLISTS 20
#define DRM_MEM_CTXLIST 21
#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
@ -651,6 +652,15 @@ typedef struct drm_map_list {
typedef drm_map_t drm_local_map_t;
/**
* Context handle list
*/
typedef struct drm_ctx_list {
struct list_head head; /**< list head */
drm_context_t handle; /**< context handle */
drm_file_t *tag; /**< associated fd private data */
} drm_ctx_list_t;
#if __HAVE_VBL_IRQ
typedef struct drm_vbl_sig {
@ -711,6 +721,12 @@ typedef struct drm_device {
drm_map_list_t *maplist; /**< Linked list of regions */
int map_count; /**< Number of mappable regions */
/** \name Context handle management */
/*@{*/
drm_ctx_list_t *ctxlist; /**< Linked list of context handles */
int ctx_count; /**< Number of context handles */
struct semaphore ctxlist_sem; /**< For ctxlist */
drm_map_t **context_sareas; /**< per-context SAREA's */
int max_context;

29
linux/drm_context.h
View File

@ -402,6 +402,7 @@ int DRM(addctx)( struct inode *inode, struct file *filp,
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_ctx_list_t * ctx_entry;
drm_ctx_t ctx;
if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) )
@ -422,6 +423,20 @@ int DRM(addctx)( struct inode *inode, struct file *filp,
if ( ctx.handle != DRM_KERNEL_CONTEXT )
DRIVER_CTX_CTOR(ctx.handle); /* XXX: also pass dev ? */
#endif
ctx_entry = DRM(alloc)( sizeof(*ctx_entry), DRM_MEM_CTXLIST );
if ( !ctx_entry ) {
DRM_DEBUG("out of memory\n");
return -ENOMEM;
}
INIT_LIST_HEAD( &ctx_entry->head );
ctx_entry->handle = ctx.handle;
ctx_entry->tag = priv;
down( &dev->ctxlist_sem );
list_add( &ctx_entry->head, &dev->ctxlist->head );
++dev->ctx_count;
up( &dev->ctxlist_sem );
if ( copy_to_user( (drm_ctx_t *)arg, &ctx, sizeof(ctx) ) )
return -EFAULT;
@ -544,6 +559,20 @@ int DRM(rmctx)( struct inode *inode, struct file *filp,
DRM(ctxbitmap_free)( dev, ctx.handle );
}
down( &dev->ctxlist_sem );
if ( !list_empty( &dev->ctxlist->head ) ) {
drm_ctx_list_t *pos, *n;
list_for_each_entry_safe( pos, n, &dev->ctxlist->head, head ) {
if ( pos->handle == ctx.handle ) {
list_del( &pos->head );
DRM(free)( pos, sizeof(*pos), DRM_MEM_CTXLIST );
--dev->ctx_count;
}
}
}
up( &dev->ctxlist_sem );
return 0;
}

26
linux/drm_drv.h
View File

@ -329,6 +329,12 @@ static int DRM(setup)( drm_device_t *dev )
memset(dev->maplist, 0, sizeof(*dev->maplist));
INIT_LIST_HEAD(&dev->maplist->head);
dev->ctxlist = DRM(alloc)(sizeof(*dev->ctxlist),
DRM_MEM_CTXLIST);
if(dev->ctxlist == NULL) return -ENOMEM;
memset(dev->ctxlist, 0, sizeof(*dev->ctxlist));
INIT_LIST_HEAD(&dev->ctxlist->head);
dev->vmalist = NULL;
dev->sigdata.lock = dev->lock.hw_lock = NULL;
init_waitqueue_head( &dev->lock.lock_queue );
@ -567,6 +573,7 @@ static int DRM(probe)(struct pci_dev *pdev)
dev->count_lock = SPIN_LOCK_UNLOCKED;
init_timer( &dev->timer );
sema_init( &dev->struct_sem, 1 );
sema_init( &dev->ctxlist_sem, 1 );
if ((dev->minor = DRM(stub_register)(DRIVER_NAME, &DRM(fops),dev)) < 0)
return -EPERM;
@ -896,6 +903,25 @@ int DRM(release)( struct inode *inode, struct file *filp )
DRM(fasync)( -1, filp, 0 );
down( &dev->ctxlist_sem );
if ( !list_empty( &dev->ctxlist->head ) ) {
drm_ctx_list_t *pos, *n;
list_for_each_entry_safe( pos, n, &dev->ctxlist->head, head ) {
if ( pos->tag == priv &&
pos->handle != DRM_KERNEL_CONTEXT ) {
#ifdef DRIVER_CTX_DTOR
DRIVER_CTX_DTOR(pos->handle);
#endif
DRM(ctxbitmap_free)( dev, pos->handle );
list_del( &pos->head );
DRM(free)( pos, sizeof(*pos), DRM_MEM_CTXLIST );
}
}
}
up( &dev->ctxlist_sem );
down( &dev->struct_sem );
if ( priv->remove_auth_on_close == 1 ) {
drm_file_t *temp = dev->file_first;

1
linux/drm_memory_debug.h
View File

@ -68,6 +68,7 @@ static drm_mem_stats_t DRM(mem_stats)[] = {
[DRM_MEM_TOTALAGP] = { "totalagp" },
[DRM_MEM_BOUNDAGP] = { "boundagp" },
[DRM_MEM_CTXBITMAP] = { "ctxbitmap"},
[DRM_MEM_CTXLIST] = { "ctxlist" },
[DRM_MEM_STUB] = { "stub" },
{ NULL, 0, } /* Last entry must be null */
};