/**
- * \file drm_drv.h
+ * \file drm_drv.c
* Generic driver template
*
* \author Rickard E. (Rik) Faith <faith@valinux.com>
#include "drmP.h"
#include "drm_core.h"
+static int drm_version(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg);
+
/** Ioctl table */
-drm_ioctl_desc_t drm_ioctls[] = {
- [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { drm_version, 0, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_by_busid, 0, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)] = { drm_getmap, 0, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)] = { drm_getclient, 0, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)] = { drm_getstats, 0, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_SET_VERSION)] = { drm_setversion, 0, 1 },
-
- [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_noop, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_noop, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 },
-
- [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = { drm_rmmap, 1, 0 },
-
- [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = { drm_setsareactx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = { drm_getsareactx, 1, 0 },
-
- [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { drm_addctx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { drm_rmctx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { drm_modctx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { drm_getctx, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { drm_switchctx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { drm_newctx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { drm_resctx, 1, 0 },
-
- [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 },
-
- [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { drm_lock, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { drm_unlock, 1, 0 },
-
- [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_noop, 1, 0 },
-
- [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { drm_addbufs, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { drm_markbufs, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { drm_infobufs, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { drm_mapbufs, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { drm_freebufs, 1, 0 },
+static drm_ioctl_desc_t drm_ioctls[] = {
+ [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = {drm_version, 0},
+ [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = {drm_getunique, 0},
+ [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = {drm_getmagic, 0},
+ [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = {drm_irq_by_busid, DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)] = {drm_getmap, 0},
+ [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)] = {drm_getclient, 0},
+ [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)] = {drm_getstats, 0},
+ [DRM_IOCTL_NR(DRM_IOCTL_SET_VERSION)] = {drm_setversion, DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = {drm_setunique, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = {drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = {drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = {drm_authmagic, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+
+ [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = {drm_addmap_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = {drm_rmmap_ioctl, DRM_AUTH},
+
+ [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = {drm_setsareactx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = {drm_getsareactx, DRM_AUTH},
+
+ [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = {drm_addctx, DRM_AUTH|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = {drm_rmctx, DRM_AUTH|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = {drm_modctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = {drm_getctx, DRM_AUTH},
+ [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = {drm_switchctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = {drm_newctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = {drm_resctx, DRM_AUTH},
+
+ [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = {drm_adddraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = {drm_rmdraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+
+ [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = {drm_lock, DRM_AUTH},
+ [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = {drm_unlock, DRM_AUTH},
+
+ [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = {drm_noop, DRM_AUTH},
+
+ [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = {drm_addbufs, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = {drm_markbufs, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = {drm_infobufs, DRM_AUTH},
+ [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = {drm_mapbufs, DRM_AUTH},
+ [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = {drm_freebufs, DRM_AUTH},
/* The DRM_IOCTL_DMA ioctl should be defined by the driver. */
+ [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = {NULL, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { drm_control, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = {drm_control, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
#if __OS_HAS_AGP
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = {drm_agp_acquire_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = {drm_agp_release_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = {drm_agp_enable_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = {drm_agp_info_ioctl, DRM_AUTH},
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = {drm_agp_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = {drm_agp_free_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = {drm_agp_bind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = {drm_agp_unbind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
#endif
- [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = { drm_sg_alloc, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = { drm_sg_free, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = {drm_sg_alloc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
+ [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = {drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
- [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = { drm_wait_vblank, 0, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = {drm_wait_vblank, 0},
};
#define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( drm_ioctls )
*
* Frees every resource in \p dev.
*
- * \sa drm_device and setup().
+ * \sa drm_device
*/
-int drm_takedown( drm_device_t *dev )
+int drm_lastclose(drm_device_t * dev)
{
drm_magic_entry_t *pt, *next;
- drm_map_t *map;
drm_map_list_t *r_list;
- struct list_head *list, *list_next;
drm_vma_entry_t *vma, *vma_next;
int i;
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
- if (dev->driver->pretakedown)
- dev->driver->pretakedown(dev);
+ if (dev->driver->lastclose)
+ dev->driver->lastclose(dev);
+ DRM_DEBUG("driver lastclose completed\n");
if (dev->unique) {
drm_free(dev->unique, strlen(dev->unique) + 1, DRM_MEM_DRIVER);
dev->unique_len = 0;
}
- if ( dev->irq_enabled ) drm_irq_uninstall( dev );
+ if (dev->irq_enabled)
+ drm_irq_uninstall(dev);
- down( &dev->struct_sem );
- del_timer( &dev->timer );
+ mutex_lock(&dev->struct_mutex);
+ del_timer(&dev->timer);
- /* Clear pid list */
- for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
- for ( pt = dev->magiclist[i].head ; pt ; pt = next ) {
+ /* Clear pid list */
+ for (i = 0; i < DRM_HASH_SIZE; i++) {
+ for (pt = dev->magiclist[i].head; pt; pt = next) {
next = pt->next;
- drm_free( pt, sizeof(*pt), DRM_MEM_MAGIC );
+ drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC);
}
dev->magiclist[i].head = dev->magiclist[i].tail = NULL;
}
- /* Clear AGP information */
+ /* Clear AGP information */
if (drm_core_has_AGP(dev) && dev->agp) {
drm_agp_mem_t *entry;
drm_agp_mem_t *nexte;
- /* Remove AGP resources, but leave dev->agp
- intact until drv_cleanup is called. */
- for ( entry = dev->agp->memory ; entry ; entry = nexte ) {
+ /* Remove AGP resources, but leave dev->agp
+ intact until drv_cleanup is called. */
+ for (entry = dev->agp->memory; entry; entry = nexte) {
nexte = entry->next;
- if ( entry->bound ) drm_unbind_agp( entry->memory );
- drm_free_agp( entry->memory, entry->pages );
- drm_free( entry, sizeof(*entry), DRM_MEM_AGPLISTS );
+ if (entry->bound)
+ drm_unbind_agp(entry->memory);
+ drm_free_agp(entry->memory, entry->pages);
+ drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
}
dev->agp->memory = NULL;
- if ( dev->agp->acquired ) drm_agp_do_release(dev);
+ if (dev->agp->acquired)
+ drm_agp_release(dev);
dev->agp->acquired = 0;
- dev->agp->enabled = 0;
+ dev->agp->enabled = 0;
+ }
+ if (drm_core_check_feature(dev, DRIVER_SG) && dev->sg) {
+ drm_sg_cleanup(dev->sg);
+ dev->sg = NULL;
}
- /* Clear vma list (only built for debugging) */
- if ( dev->vmalist ) {
- for ( vma = dev->vmalist ; vma ; vma = vma_next ) {
+ /* Clear vma list (only built for debugging) */
+ if (dev->vmalist) {
+ for (vma = dev->vmalist; vma; vma = vma_next) {
vma_next = vma->next;
- drm_free( vma, sizeof(*vma), DRM_MEM_VMAS );
+ drm_free(vma, sizeof(*vma), DRM_MEM_VMAS);
}
dev->vmalist = NULL;
}
- if( dev->maplist ) {
- list_for_each_safe( list, list_next, &dev->maplist->head ) {
- r_list = (drm_map_list_t *)list;
-
- if ( ( map = r_list->map ) ) {
- switch ( map->type ) {
- case _DRM_REGISTERS:
- case _DRM_FRAME_BUFFER:
- if (drm_core_has_MTRR(dev)) {
- if ( map->mtrr >= 0 ) {
- int retcode;
- retcode = mtrr_del( map->mtrr,
- map->offset,
- map->size );
- DRM_DEBUG( "mtrr_del=%d\n", retcode );
- }
- }
- drm_ioremapfree( map->handle, map->size, dev );
- break;
- case _DRM_SHM:
- vfree(map->handle);
- break;
-
- case _DRM_AGP:
- /* Do nothing here, because this is all
- * handled in the AGP/GART driver.
- */
- break;
- case _DRM_SCATTER_GATHER:
- /* Handle it */
- if (drm_core_check_feature(dev, DRIVER_SG) && dev->sg) {
- drm_sg_cleanup(dev->sg);
- dev->sg = NULL;
- }
- break;
- }
- drm_free(map, sizeof(*map), DRM_MEM_MAPS);
- }
- list_del( list );
- drm_free(r_list, sizeof(*r_list), DRM_MEM_MAPS);
- }
- drm_free(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
- dev->maplist = NULL;
- }
-
- if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE) && dev->queuelist ) {
- for ( i = 0 ; i < dev->queue_count ; i++ ) {
- if ( dev->queuelist[i] ) {
- drm_free( dev->queuelist[i],
- sizeof(*dev->queuelist[0]),
- DRM_MEM_QUEUES );
+ if (dev->maplist) {
+ while (!list_empty(&dev->maplist->head)) {
+ struct list_head *list = dev->maplist->head.next;
+ r_list = list_entry(list, drm_map_list_t, head);
+ drm_rmmap_locked(dev, r_list->map);
+ }
+ }
+
+ if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE) && dev->queuelist) {
+ for (i = 0; i < dev->queue_count; i++) {
+ if (dev->queuelist[i]) {
+ drm_free(dev->queuelist[i],
+ sizeof(*dev->queuelist[0]),
+ DRM_MEM_QUEUES);
dev->queuelist[i] = NULL;
}
}
- drm_free( dev->queuelist,
- dev->queue_slots * sizeof(*dev->queuelist),
- DRM_MEM_QUEUES );
+ drm_free(dev->queuelist,
+ dev->queue_slots * sizeof(*dev->queuelist),
+ DRM_MEM_QUEUES);
dev->queuelist = NULL;
}
dev->queue_count = 0;
if (drm_core_check_feature(dev, DRIVER_HAVE_DMA))
- drm_dma_takedown( dev );
+ drm_dma_takedown(dev);
- if ( dev->lock.hw_lock ) {
- dev->sigdata.lock = dev->lock.hw_lock = NULL; /* SHM removed */
+ if (dev->lock.hw_lock) {
+ dev->sigdata.lock = dev->lock.hw_lock = NULL; /* SHM removed */
dev->lock.filp = NULL;
- wake_up_interruptible( &dev->lock.lock_queue );
+ wake_up_interruptible(&dev->lock.lock_queue);
}
- up( &dev->struct_sem );
+ mutex_unlock(&dev->struct_mutex);
+ DRM_DEBUG("lastclose completed\n");
return 0;
}
-
-
/**
* Module initialization. Called via init_module at module load time, or via
* linux/init/main.c (this is not currently supported).
* Initializes an array of drm_device structures, and attempts to
* initialize all available devices, using consecutive minors, registering the
* stubs and initializing the AGP device.
- *
+ *
* Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and
* after the initialization for driver customization.
*/
-int drm_init( struct drm_driver *driver )
+int drm_init(struct drm_driver *driver)
{
struct pci_dev *pdev = NULL;
struct pci_device_id *pid;
int i;
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
drm_mem_init();
- for (i=0; driver->pci_driver.id_table[i].vendor != 0; i++) {
+ for (i = 0; driver->pci_driver.id_table[i].vendor != 0; i++) {
pid = (struct pci_device_id *)&driver->pci_driver.id_table[i];
-
- pdev=NULL;
- /* pass back in pdev to account for multiple identical cards */
- while ((pdev = pci_get_subsys(pid->vendor, pid->device, pid->subvendor, pid->subdevice, pdev)) != NULL) {
+
+ pdev = NULL;
+ /* pass back in pdev to account for multiple identical cards */
+ while ((pdev =
+ pci_get_subsys(pid->vendor, pid->device, pid->subvendor,
+ pid->subdevice, pdev)) != NULL) {
/* stealth mode requires a manual probe */
pci_dev_get(pdev);
drm_get_dev(pdev, pid, driver);
}
return 0;
}
+
EXPORT_SYMBOL(drm_init);
/**
* Called via cleanup_module() at module unload time.
*
- * Cleans up all DRM device, calling takedown().
- *
- * \sa drm_init().
+ * Cleans up all DRM device, calling drm_lastclose().
+ *
+ * \sa drm_init
*/
-static void drm_cleanup( drm_device_t *dev )
+static void drm_cleanup(drm_device_t * dev)
{
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
if (!dev) {
DRM_ERROR("cleanup called no dev\n");
return;
}
- drm_takedown( dev );
+ drm_lastclose(dev);
+
+ if (dev->maplist) {
+ drm_free(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
+ dev->maplist = NULL;
+ }
+
+ drm_ctxbitmap_cleanup(dev);
- drm_ctxbitmap_cleanup( dev );
-
if (drm_core_has_MTRR(dev) && drm_core_has_AGP(dev) &&
dev->agp && dev->agp->agp_mtrr >= 0) {
int retval;
- retval = mtrr_del( dev->agp->agp_mtrr,
- dev->agp->agp_info.aper_base,
- dev->agp->agp_info.aper_size*1024*1024 );
- DRM_DEBUG( "mtrr_del=%d\n", retval );
+ retval = mtrr_del(dev->agp->agp_mtrr,
+ dev->agp->agp_info.aper_base,
+ dev->agp->agp_info.aper_size * 1024 * 1024);
+ DRM_DEBUG("mtrr_del=%d\n", retval);
}
-
- if (drm_core_has_AGP(dev) && dev->agp ) {
- drm_free( dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS );
+
+ if (drm_core_has_AGP(dev) && dev->agp) {
+ drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS);
dev->agp = NULL;
}
- if (dev->driver->postcleanup)
- dev->driver->postcleanup(dev);
-
+ if (dev->driver->unload)
+ dev->driver->unload(dev);
+
drm_put_head(&dev->primary);
- if ( drm_put_dev(dev) )
- DRM_ERROR( "Cannot unload module\n" );
+ if (drm_put_dev(dev))
+ DRM_ERROR("Cannot unload module\n");
}
-void drm_exit (struct drm_driver *driver)
+void drm_exit(struct drm_driver *driver)
{
int i;
drm_device_t *dev = NULL;
drm_head_t *head;
-
- DRM_DEBUG( "\n" );
+
+ DRM_DEBUG("\n");
for (i = 0; i < drm_cards_limit; i++) {
head = drm_heads[i];
continue;
if (!head->dev)
continue;
- if (head->dev->driver!=driver)
+ if (head->dev->driver != driver)
continue;
- dev=head->dev;
- }
- if (dev) {
- /* release the pci driver */
- if (dev->pdev)
- pci_dev_put(dev->pdev);
- drm_cleanup(dev);
+ dev = head->dev;
+ if (dev) {
+ /* release the pci driver */
+ if (dev->pdev)
+ pci_dev_put(dev->pdev);
+ drm_cleanup(dev);
+ }
}
- DRM_INFO( "Module unloaded\n" );
+ DRM_INFO("Module unloaded\n");
}
+
EXPORT_SYMBOL(drm_exit);
/** File operations structure */
static struct file_operations drm_stub_fops = {
.owner = THIS_MODULE,
- .open = drm_stub_open
+ .open = drm_stub_open
};
static int __init drm_core_init(void)
{
int ret = -ENOMEM;
-
- drm_cards_limit = (drm_cards_limit < DRM_MAX_MINOR + 1 ? drm_cards_limit : DRM_MAX_MINOR + 1);
- drm_heads = drm_calloc(drm_cards_limit,
- sizeof(*drm_heads), DRM_MEM_STUB);
- if(!drm_heads)
+
+ drm_cards_limit =
+ (drm_cards_limit <
+ DRM_MAX_MINOR + 1 ? drm_cards_limit : DRM_MAX_MINOR + 1);
+ drm_heads =
+ drm_calloc(drm_cards_limit, sizeof(*drm_heads), DRM_MEM_STUB);
+ if (!drm_heads)
goto err_p1;
-
+
if (register_chrdev(DRM_MAJOR, "drm", &drm_stub_fops))
goto err_p1;
-
+
drm_class = drm_sysfs_create(THIS_MODULE, "drm");
if (IS_ERR(drm_class)) {
- printk (KERN_ERR "DRM: Error creating drm class.\n");
+ printk(KERN_ERR "DRM: Error creating drm class.\n");
ret = PTR_ERR(drm_class);
goto err_p2;
}
- drm_proc_root = create_proc_entry("dri", S_IFDIR, NULL);
+ drm_proc_root = proc_mkdir("dri", NULL);
if (!drm_proc_root) {
DRM_ERROR("Cannot create /proc/dri\n");
ret = -1;
goto err_p3;
}
-
- DRM_INFO( "Initialized %s %d.%d.%d %s\n",
- CORE_NAME, CORE_MAJOR, CORE_MINOR, CORE_PATCHLEVEL,
- CORE_DATE);
+
+ DRM_INFO("Initialized %s %d.%d.%d %s\n",
+ CORE_NAME, CORE_MAJOR, CORE_MINOR, CORE_PATCHLEVEL, CORE_DATE);
return 0;
-err_p3:
+ err_p3:
drm_sysfs_destroy(drm_class);
-err_p2:
+ err_p2:
unregister_chrdev(DRM_MAJOR, "drm");
drm_free(drm_heads, sizeof(*drm_heads) * drm_cards_limit, DRM_MEM_STUB);
-err_p1:
+ err_p1:
return ret;
}
-static void __exit drm_core_exit (void)
+static void __exit drm_core_exit(void)
{
remove_proc_entry("dri", NULL);
drm_sysfs_destroy(drm_class);
unregister_chrdev(DRM_MAJOR, "drm");
- drm_free(drm_heads, sizeof(*drm_heads) *
- drm_cards_limit, DRM_MEM_STUB);
+ drm_free(drm_heads, sizeof(*drm_heads) * drm_cards_limit, DRM_MEM_STUB);
}
-
-module_init( drm_core_init );
-module_exit( drm_core_exit );
-
+module_init(drm_core_init);
+module_exit(drm_core_exit);
/**
* Get version information
*
* Fills in the version information in \p arg.
*/
-int drm_version( struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg )
+static int drm_version(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->head->dev;
drm_version_t __user *argp = (void __user *)arg;
drm_version_t version;
- int ret;
+ int len;
- if ( copy_from_user( &version, argp, sizeof(version) ) )
+ if (copy_from_user(&version, argp, sizeof(version)))
return -EFAULT;
- /* version is a required function to return the personality module version */
- if ((ret = dev->driver->version(&version)))
- return ret;
-
- if ( copy_to_user( argp, &version, sizeof(version) ) )
+ version.version_major = dev->driver->major;
+ version.version_minor = dev->driver->minor;
+ version.version_patchlevel = dev->driver->patchlevel;
+ DRM_COPY(version.name, dev->driver->name);
+ DRM_COPY(version.date, dev->driver->date);
+ DRM_COPY(version.desc, dev->driver->desc);
+
+ if (copy_to_user(argp, &version, sizeof(version)))
return -EFAULT;
return 0;
}
-
-
-/**
+/**
* Called whenever a process performs an ioctl on /dev/drm.
*
* \param inode device inode.
* Looks up the ioctl function in the ::ioctls table, checking for root
* previleges if so required, and dispatches to the respective function.
*/
-int drm_ioctl( struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg )
+int drm_ioctl(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->head->dev;
unsigned int nr = DRM_IOCTL_NR(cmd);
int retcode = -EINVAL;
- atomic_inc( &dev->ioctl_count );
- atomic_inc( &dev->counts[_DRM_STAT_IOCTLS] );
+ atomic_inc(&dev->ioctl_count);
+ atomic_inc(&dev->counts[_DRM_STAT_IOCTLS]);
++priv->ioctl_count;
- DRM_DEBUG( "pid=%d, cmd=0x%02x, nr=0x%02x, dev 0x%lx, auth=%d\n",
- current->pid, cmd, nr, (long)old_encode_dev(priv->head->device),
- priv->authenticated );
-
+ DRM_DEBUG("pid=%d, cmd=0x%02x, nr=0x%02x, dev 0x%lx, auth=%d\n",
+ current->pid, cmd, nr,
+ (long)old_encode_dev(priv->head->device),
+ priv->authenticated);
+
if (nr < DRIVER_IOCTL_COUNT)
ioctl = &drm_ioctls[nr];
- else if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls))
+ else if ((nr >= DRM_COMMAND_BASE)
+ && (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls))
ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE];
else
goto err_i1;
-
+
func = ioctl->func;
/* is there a local override? */
if ((nr == DRM_IOCTL_NR(DRM_IOCTL_DMA)) && dev->driver->dma_ioctl)
func = dev->driver->dma_ioctl;
-
- if ( !func ) {
- DRM_DEBUG( "no function\n" );
+
+ if (!func) {
+ DRM_DEBUG("no function\n");
retcode = -EINVAL;
- } else if ( ( ioctl->root_only && !capable( CAP_SYS_ADMIN ) )||
- ( ioctl->auth_needed && !priv->authenticated ) ) {
+ } else if (((ioctl->flags & DRM_ROOT_ONLY) && !capable(CAP_SYS_ADMIN)) ||
+ ((ioctl->flags & DRM_AUTH) && !priv->authenticated) ||
+ ((ioctl->flags & DRM_MASTER) && !priv->master)) {
retcode = -EACCES;
} else {
- retcode = func( inode, filp, cmd, arg );
+ retcode = func(inode, filp, cmd, arg);
}
-
-err_i1:
- atomic_dec( &dev->ioctl_count );
- if (retcode) DRM_DEBUG( "ret = %x\n", retcode);
+
+ err_i1:
+ atomic_dec(&dev->ioctl_count);
+ if (retcode)
+ DRM_DEBUG("ret = %x\n", retcode);
return retcode;
}
-EXPORT_SYMBOL(drm_ioctl);
+EXPORT_SYMBOL(drm_ioctl);
git://git.onelab.eu / linux-2.6.git / blobdiff