* the one with matching magic number, while holding the drm_device::struct_mutex
* lock.
*/
-static struct drm_file *drm_find_file(struct drm_device * dev, drm_magic_t magic)
+static struct drm_file *drm_find_file(struct drm_master *master, drm_magic_t magic)
{
struct drm_file *retval = NULL;
struct drm_magic_entry *pt;
struct drm_hash_item *hash;
+ struct drm_device *dev = master->minor->dev;
mutex_lock(&dev->struct_mutex);
- if (!drm_ht_find_item(&dev->magiclist, (unsigned long)magic, &hash)) {
+ if (!drm_ht_find_item(&master->magiclist, (unsigned long)magic, &hash)) {
pt = drm_hash_entry(hash, struct drm_magic_entry, hash_item);
retval = pt->priv;
}
* associated the magic number hash key in drm_device::magiclist, while holding
* the drm_device::struct_mutex lock.
*/
-static int drm_add_magic(struct drm_device * dev, struct drm_file * priv,
+static int drm_add_magic(struct drm_master *master, struct drm_file *priv,
drm_magic_t magic)
{
struct drm_magic_entry *entry;
-
+ struct drm_device *dev = master->minor->dev;
DRM_DEBUG("%d\n", magic);
entry = drm_alloc(sizeof(*entry), DRM_MEM_MAGIC);
return -ENOMEM;
memset(entry, 0, sizeof(*entry));
entry->priv = priv;
-
entry->hash_item.key = (unsigned long)magic;
mutex_lock(&dev->struct_mutex);
- drm_ht_insert_item(&dev->magiclist, &entry->hash_item);
- list_add_tail(&entry->head, &dev->magicfree);
+ drm_ht_insert_item(&master->magiclist, &entry->hash_item);
+ list_add_tail(&entry->head, &master->magicfree);
mutex_unlock(&dev->struct_mutex);
return 0;
* Searches and unlinks the entry in drm_device::magiclist with the magic
* number hash key, while holding the drm_device::struct_mutex lock.
*/
-static int drm_remove_magic(struct drm_device * dev, drm_magic_t magic)
+static int drm_remove_magic(struct drm_master *master, drm_magic_t magic)
{
struct drm_magic_entry *pt;
struct drm_hash_item *hash;
+ struct drm_device *dev = master->minor->dev;
DRM_DEBUG("%d\n", magic);
mutex_lock(&dev->struct_mutex);
- if (drm_ht_find_item(&dev->magiclist, (unsigned long)magic, &hash)) {
+ if (drm_ht_find_item(&master->magiclist, (unsigned long)magic, &hash)) {
mutex_unlock(&dev->struct_mutex);
return -EINVAL;
}
pt = drm_hash_entry(hash, struct drm_magic_entry, hash_item);
- drm_ht_remove_item(&dev->magiclist, hash);
+ drm_ht_remove_item(&master->magiclist, hash);
list_del(&pt->head);
mutex_unlock(&dev->struct_mutex);
++sequence; /* reserve 0 */
auth->magic = sequence++;
spin_unlock(&lock);
- } while (drm_find_file(dev, auth->magic));
+ } while (drm_find_file(file_priv->master, auth->magic));
file_priv->magic = auth->magic;
- drm_add_magic(dev, file_priv, auth->magic);
+ drm_add_magic(file_priv->master, file_priv, auth->magic);
}
DRM_DEBUG("%u\n", auth->magic);
struct drm_file *file;
DRM_DEBUG("%u\n", auth->magic);
- if ((file = drm_find_file(dev, auth->magic))) {
+ if ((file = drm_find_file(file_priv->master, auth->magic))) {
file->authenticated = 1;
- drm_remove_magic(dev, auth->magic);
+ drm_remove_magic(file_priv->master, auth->magic);
return 0;
}
return -EINVAL;
{
struct drm_map_list *entry;
list_for_each_entry(entry, &dev->maplist, head) {
- if (entry->map && map->type == entry->map->type &&
+ if (entry->map && (entry->master == dev->primary->master) && (map->type == entry->map->type) &&
((entry->map->offset == map->offset) ||
- (map->type == _DRM_SHM && map->flags==_DRM_CONTAINS_LOCK))) {
+ ((map->type == _DRM_SHM) && (map->flags&_DRM_CONTAINS_LOCK)))) {
return entry;
}
}
map->offset = (unsigned long)map->handle;
if (map->flags & _DRM_CONTAINS_LOCK) {
/* Prevent a 2nd X Server from creating a 2nd lock */
- if (dev->lock.hw_lock != NULL) {
+ if (dev->primary->master->lock.hw_lock != NULL) {
vfree(map->handle);
drm_free(map, sizeof(*map), DRM_MEM_MAPS);
return -EBUSY;
}
- dev->sigdata.lock = dev->lock.hw_lock = map->handle; /* Pointer to lock */
+ dev->sigdata.lock = dev->primary->master->lock.hw_lock = map->handle; /* Pointer to lock */
}
break;
case _DRM_AGP: {
list->user_token = list->hash.key << PAGE_SHIFT;
mutex_unlock(&dev->struct_mutex);
+ list->master = dev->primary->master;
*maplist = list;
return 0;
}
struct drm_map_list *maplist;
int err;
- if (!(capable(CAP_SYS_ADMIN) || map->type == _DRM_AGP))
+ if (!(capable(CAP_SYS_ADMIN) || map->type == _DRM_AGP || map->type == _DRM_SHM))
return -EPERM;
err = drm_addmap_core(dev, map->offset, map->size, map->type,
struct drm_map_list *r_list = NULL, *list_t;
drm_dma_handle_t dmah;
int found = 0;
+ struct drm_master *master;
/* Find the list entry for the map and remove it */
list_for_each_entry_safe(r_list, list_t, &dev->maplist, head) {
if (r_list->map == map) {
+ master = r_list->master;
list_del(&r_list->head);
drm_ht_remove_key(&dev->map_hash,
r_list->user_token >> PAGE_SHIFT);
break;
case _DRM_SHM:
vfree(map->handle);
+ if (master) {
+ if (dev->sigdata.lock == master->lock.hw_lock)
+ dev->sigdata.lock = NULL;
+ master->lock.hw_lock = NULL; /* SHM removed */
+ master->lock.file_priv = NULL;
+ wake_up_interruptible(&master->lock.lock_queue);
+ }
break;
case _DRM_AGP:
case _DRM_SCATTER_GATHER:
* hardware lock is held, clears the drm_device::context_flag and wakes up
* drm_device::context_wait.
*/
-static int drm_context_switch_complete(struct drm_device * dev, int new)
+static int drm_context_switch_complete(struct drm_device *dev,
+ struct drm_file *file_priv, int new)
{
dev->last_context = new; /* PRE/POST: This is the _only_ writer. */
dev->last_switch = jiffies;
- if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+ if (!_DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock)) {
DRM_ERROR("Lock isn't held after context switch\n");
}
struct drm_ctx *ctx = data;
DRM_DEBUG("%d\n", ctx->handle);
- drm_context_switch_complete(dev, ctx->handle);
+ drm_context_switch_complete(dev, file_priv, ctx->handle);
return 0;
}
struct drm_ctx *ctx = data;
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 (dev->driver->context_dtor)
dev->driver->context_dtor(dev, ctx->handle);
DRM_IOCTL_DEF(DRM_IOCTL_SET_SAREA_CTX, drm_setsareactx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
DRM_IOCTL_DEF(DRM_IOCTL_GET_SAREA_CTX, drm_getsareactx, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_IOCTL_SET_MASTER, drm_setmaster_ioctl, DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF(DRM_IOCTL_DROP_MASTER, drm_dropmaster_ioctl, DRM_ROOT_ONLY),
+
DRM_IOCTL_DEF(DRM_IOCTL_ADD_CTX, drm_addctx, DRM_AUTH|DRM_ROOT_ONLY),
DRM_IOCTL_DEF(DRM_IOCTL_RM_CTX, drm_rmctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
DRM_IOCTL_DEF(DRM_IOCTL_MOD_CTX, drm_modctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
*/
int drm_lastclose(struct drm_device * dev)
{
- struct drm_magic_entry *pt, *next;
- struct drm_map_list *r_list, *list_t;
struct drm_vma_entry *vma, *vma_temp;
int i;
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 = NULL;
- dev->unique_len = 0;
- }
-
if (dev->irq_enabled)
drm_irq_uninstall(dev);
drm_drawable_free_all(dev);
del_timer(&dev->timer);
- /* Clear pid list */
- if (dev->magicfree.next) {
- list_for_each_entry_safe(pt, next, &dev->magicfree, head) {
- list_del(&pt->head);
- drm_ht_remove_item(&dev->magiclist, &pt->hash_item);
- drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC);
- }
- drm_ht_remove(&dev->magiclist);
- }
-
/* Clear AGP information */
if (drm_core_has_AGP(dev) && dev->agp) {
struct drm_agp_mem *entry, *tempe;
drm_free(vma, sizeof(*vma), DRM_MEM_VMAS);
}
- list_for_each_entry_safe(r_list, list_t, &dev->maplist, head) {
- if (!(r_list->map->flags & _DRM_DRIVER)) {
- drm_rmmap_locked(dev, r_list->map);
- r_list = NULL;
- }
- }
-
if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE) && dev->queuelist) {
for (i = 0; i < dev->queue_count; i++) {
if (dev->queuelist[i]) {
if (drm_core_check_feature(dev, DRIVER_HAVE_DMA))
drm_dma_takedown(dev);
- if (dev->lock.hw_lock) {
- dev->sigdata.lock = dev->lock.hw_lock = NULL; /* SHM removed */
- dev->lock.file_priv = NULL;
- wake_up_interruptible(&dev->lock.lock_queue);
- }
mutex_unlock(&dev->struct_mutex);
DRM_DEBUG("lastclose completed\n");
static int drm_setup(struct drm_device * dev)
{
- drm_local_map_t *map;
int i;
int ret;
- u32 sareapage;
if (dev->driver->firstopen) {
ret = dev->driver->firstopen(dev);
return ret;
}
- dev->magicfree.next = NULL;
-
- /* prebuild the SAREA */
- sareapage = max_t(unsigned, SAREA_MAX, PAGE_SIZE);
- i = drm_addmap(dev, 0, sareapage, _DRM_SHM, _DRM_CONTAINS_LOCK, &map);
- if (i != 0)
- return i;
-
atomic_set(&dev->ioctl_count, 0);
atomic_set(&dev->vma_count, 0);
dev->buf_use = 0;
for (i = 0; i < ARRAY_SIZE(dev->counts); i++)
atomic_set(&dev->counts[i], 0);
- drm_ht_create(&dev->magiclist, DRM_MAGIC_HASH_ORDER);
- INIT_LIST_HEAD(&dev->magicfree);
-
dev->sigdata.lock = NULL;
- init_waitqueue_head(&dev->lock.lock_queue);
+
dev->queue_count = 0;
dev->queue_reserved = 0;
dev->queue_slots = 0;
dev->queuelist = NULL;
- dev->irq_enabled = 0;
dev->context_flag = 0;
dev->interrupt_flag = 0;
dev->dma_flag = 0;
goto out_free;
}
+
+ /* if there is no current master make this fd it */
mutex_lock(&dev->struct_mutex);
- if (list_empty(&dev->filelist))
- priv->master = 1;
+ if (!priv->minor->master) {
+ /* create a new master */
+ priv->minor->master = drm_master_create(priv->minor);
+ if (!priv->minor->master) {
+ ret = -ENOMEM;
+ goto out_free;
+ }
+
+ priv->is_master = 1;
+ /* take another reference for the copy in the local file priv */
+ priv->master = drm_master_get(priv->minor->master);
+
+ priv->authenticated = 1;
+
+ mutex_unlock(&dev->struct_mutex);
+ if (dev->driver->master_create) {
+ ret = dev->driver->master_create(dev, priv->master);
+ if (ret) {
+ mutex_lock(&dev->struct_mutex);
+ /* drop both references if this fails */
+ drm_master_put(&priv->minor->master);
+ drm_master_put(&priv->master);
+ mutex_unlock(&dev->struct_mutex);
+ goto out_free;
+ }
+ }
+ } else {
+ /* get a reference to the master */
+ priv->master = drm_master_get(priv->minor->master);
+ mutex_unlock(&dev->struct_mutex);
+ }
+ mutex_lock(&dev->struct_mutex);
list_add(&priv->lhead, &dev->filelist);
mutex_unlock(&dev->struct_mutex);
}
EXPORT_SYMBOL(drm_fasync);
+/*
+ * Reclaim locked buffers; note that this may be a bad idea if the current
+ * context doesn't have the hw lock...
+ */
+static void drm_reclaim_locked_buffers(struct drm_device *dev, struct file *f)
+{
+ struct drm_file *file_priv = f->private_data;
+
+ if (drm_i_have_hw_lock(dev, file_priv)) {
+ dev->driver->reclaim_buffers_locked(dev, file_priv);
+ } else {
+ unsigned long _end = jiffies + 3 * DRM_HZ;
+ int locked = 0;
+
+ drm_idlelock_take(&file_priv->master->lock);
+
+ /*
+ * Wait for a while.
+ */
+ do {
+ spin_lock_bh(&file_priv->master->lock.spinlock);
+ locked = file_priv->master->lock.idle_has_lock;
+ spin_unlock_bh(&file_priv->master->lock.spinlock);
+ if (locked)
+ break;
+ schedule();
+ } while (!time_after_eq(jiffies, _end));
+
+ if (!locked) {
+ DRM_ERROR("reclaim_buffers_locked() deadlock. Please rework this\n"
+ "\tdriver to use reclaim_buffers_idlelocked() instead.\n"
+ "\tI will go on reclaiming the buffers anyway.\n");
+ }
+
+ dev->driver->reclaim_buffers_locked(dev, file_priv);
+ drm_idlelock_release(&file_priv->master->lock);
+ }
+}
+
+static void drm_master_release(struct drm_device *dev, struct file *filp)
+{
+ struct drm_file *file_priv = filp->private_data;
+
+ if (dev->driver->reclaim_buffers_locked &&
+ file_priv->master->lock.hw_lock)
+ drm_reclaim_locked_buffers(dev, filp);
+
+ if (dev->driver->reclaim_buffers_idlelocked &&
+ file_priv->master->lock.hw_lock) {
+ drm_idlelock_take(&file_priv->master->lock);
+ dev->driver->reclaim_buffers_idlelocked(dev, file_priv);
+ drm_idlelock_release(&file_priv->master->lock);
+ }
+
+
+ if (drm_i_have_hw_lock(dev, file_priv)) {
+ DRM_DEBUG("File %p released, freeing lock for context %d\n",
+ filp, _DRM_LOCKING_CONTEXT(file_priv->master->lock.hw_lock->lock));
+ drm_lock_free(&file_priv->master->lock,
+ _DRM_LOCKING_CONTEXT(file_priv->master->lock.hw_lock->lock));
+ }
+
+ if (drm_core_check_feature(dev, DRIVER_HAVE_DMA) &&
+ !dev->driver->reclaim_buffers_locked) {
+ dev->driver->reclaim_buffers(dev, file_priv);
+ }
+}
+
/**
* Release file.
*
(long)old_encode_dev(file_priv->minor->device),
dev->open_count);
- if (dev->driver->reclaim_buffers_locked && dev->lock.hw_lock) {
- if (drm_i_have_hw_lock(dev, file_priv)) {
- dev->driver->reclaim_buffers_locked(dev, file_priv);
- } else {
- unsigned long endtime = jiffies + 3 * DRM_HZ;
- int locked = 0;
-
- drm_idlelock_take(&dev->lock);
-
- /*
- * Wait for a while.
- */
-
- do{
- spin_lock_bh(&dev->lock.spinlock);
- locked = dev->lock.idle_has_lock;
- spin_unlock_bh(&dev->lock.spinlock);
- if (locked)
- break;
- schedule();
- } while (!time_after_eq(jiffies, endtime));
-
- if (!locked) {
- DRM_ERROR("reclaim_buffers_locked() deadlock. Please rework this\n"
- "\tdriver to use reclaim_buffers_idlelocked() instead.\n"
- "\tI will go on reclaiming the buffers anyway.\n");
- }
-
- dev->driver->reclaim_buffers_locked(dev, file_priv);
- drm_idlelock_release(&dev->lock);
- }
- }
-
- if (dev->driver->reclaim_buffers_idlelocked && dev->lock.hw_lock) {
-
- drm_idlelock_take(&dev->lock);
- dev->driver->reclaim_buffers_idlelocked(dev, file_priv);
- drm_idlelock_release(&dev->lock);
-
- }
-
- if (drm_i_have_hw_lock(dev, file_priv)) {
- DRM_DEBUG("File %p released, freeing lock for context %d\n",
- filp, _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
-
- drm_lock_free(&dev->lock,
- _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
- }
-
-
- if (drm_core_check_feature(dev, DRIVER_HAVE_DMA) &&
- !dev->driver->reclaim_buffers_locked) {
- dev->driver->reclaim_buffers(dev, file_priv);
- }
+ /* if the master has gone away we can't do anything with the lock */
+ if (file_priv->minor->master)
+ drm_master_release(dev, filp);
if (dev->driver->driver_features & DRIVER_GEM)
drm_gem_release(dev, file_priv);
mutex_unlock(&dev->ctxlist_mutex);
mutex_lock(&dev->struct_mutex);
- if (file_priv->remove_auth_on_close == 1) {
+
+ if (file_priv->is_master) {
struct drm_file *temp;
+ list_for_each_entry(temp, &dev->filelist, lhead) {
+ if ((temp->master == file_priv->master) &&
+ (temp != file_priv))
+ temp->authenticated = 0;
+ }
- list_for_each_entry(temp, &dev->filelist, lhead)
- temp->authenticated = 0;
+ if (file_priv->minor->master == file_priv->master) {
+ /* drop the reference held my the minor */
+ drm_master_put(&file_priv->minor->master);
+ }
}
+
+ /* drop the reference held my the file priv */
+ drm_master_put(&file_priv->master);
+ file_priv->is_master = 0;
list_del(&file_priv->lhead);
mutex_unlock(&dev->struct_mutex);
atomic_inc(&dev->counts[_DRM_STAT_CLOSES]);
spin_lock(&dev->count_lock);
if (!--dev->open_count) {
- if (atomic_read(&dev->ioctl_count) || dev->blocked) {
- DRM_ERROR("Device busy: %d %d\n",
- atomic_read(&dev->ioctl_count), dev->blocked);
+ if (atomic_read(&dev->ioctl_count)) {
+ DRM_ERROR("Device busy: %d\n",
+ atomic_read(&dev->ioctl_count));
spin_unlock(&dev->count_lock);
unlock_kernel();
return -EBUSY;
struct drm_file *file_priv)
{
struct drm_unique *u = data;
+ struct drm_master *master = file_priv->master;
- if (u->unique_len >= dev->unique_len) {
- if (copy_to_user(u->unique, dev->unique, dev->unique_len))
+ if (u->unique_len >= master->unique_len) {
+ if (copy_to_user(u->unique, master->unique, master->unique_len))
return -EFAULT;
}
- u->unique_len = dev->unique_len;
+ u->unique_len = master->unique_len;
return 0;
}
struct drm_file *file_priv)
{
struct drm_unique *u = data;
+ struct drm_master *master = file_priv->master;
int domain, bus, slot, func, ret;
- if (dev->unique_len || dev->unique)
+ if (master->unique_len || master->unique)
return -EBUSY;
if (!u->unique_len || u->unique_len > 1024)
return -EINVAL;
- dev->unique_len = u->unique_len;
- dev->unique = drm_alloc(u->unique_len + 1, DRM_MEM_DRIVER);
- if (!dev->unique)
+ master->unique_len = u->unique_len;
+ master->unique = drm_alloc(u->unique_len + 1, DRM_MEM_DRIVER);
+ if (!master->unique)
return -ENOMEM;
- if (copy_from_user(dev->unique, u->unique, dev->unique_len))
+ if (copy_from_user(master->unique, u->unique, master->unique_len))
return -EFAULT;
- dev->unique[dev->unique_len] = '\0';
+ master->unique[master->unique_len] = '\0';
dev->devname =
drm_alloc(strlen(dev->driver->pci_driver.name) +
- strlen(dev->unique) + 2, DRM_MEM_DRIVER);
+ strlen(master->unique) + 2, DRM_MEM_DRIVER);
if (!dev->devname)
return -ENOMEM;
sprintf(dev->devname, "%s@%s", dev->driver->pci_driver.name,
- dev->unique);
+ master->unique);
/* Return error if the busid submitted doesn't match the device's actual
* busid.
*/
- ret = sscanf(dev->unique, "PCI:%d:%d:%d", &bus, &slot, &func);
+ ret = sscanf(master->unique, "PCI:%d:%d:%d", &bus, &slot, &func);
if (ret != 3)
return -EINVAL;
domain = bus >> 8;
return 0;
}
-static int drm_set_busid(struct drm_device * dev)
+static int drm_set_busid(struct drm_device *dev, struct drm_file *file_priv)
{
+ struct drm_master *master = file_priv->master;
int len;
- if (dev->unique != NULL)
- return 0;
+ if (master->unique != NULL)
+ return -EBUSY;
- dev->unique_len = 40;
- dev->unique = drm_alloc(dev->unique_len + 1, DRM_MEM_DRIVER);
- if (dev->unique == NULL)
+ master->unique_len = 40;
+ master->unique = drm_alloc(master->unique_len + 1, DRM_MEM_DRIVER);
+ if (master->unique == NULL)
return -ENOMEM;
- len = snprintf(dev->unique, dev->unique_len, "pci:%04x:%02x:%02x.%d",
- drm_get_pci_domain(dev), dev->pdev->bus->number,
+ len = snprintf(master->unique, master->unique_len, "pci:%04x:%02x:%02x.%d",
+ drm_get_pci_domain(dev),
+ dev->pdev->bus->number,
PCI_SLOT(dev->pdev->devfn),
PCI_FUNC(dev->pdev->devfn));
-
- if (len > dev->unique_len)
- DRM_ERROR("Unique buffer overflowed\n");
+ if (len > master->unique_len)
+ DRM_ERROR("buffer overflow");
dev->devname =
- drm_alloc(strlen(dev->driver->pci_driver.name) + dev->unique_len +
+ drm_alloc(strlen(dev->driver->pci_driver.name) + master->unique_len +
2, DRM_MEM_DRIVER);
if (dev->devname == NULL)
return -ENOMEM;
sprintf(dev->devname, "%s@%s", dev->driver->pci_driver.name,
- dev->unique);
+ master->unique);
return 0;
}
for (i = 0; i < dev->counters; i++) {
if (dev->types[i] == _DRM_STAT_LOCK)
stats->data[i].value =
- (dev->lock.hw_lock ? dev->lock.hw_lock->lock : 0);
+ (file_priv->master->lock.hw_lock ? file_priv->master->lock.hw_lock->lock : 0);
else
stats->data[i].value = atomic_read(&dev->counts[i]);
stats->data[i].type = dev->types[i];
/*
* Version 1.1 includes tying of DRM to specific device
*/
- drm_set_busid(dev);
+ drm_set_busid(dev, file_priv);
}
}
{
DECLARE_WAITQUEUE(entry, current);
struct drm_lock *lock = data;
+ struct drm_master *master = file_priv->master;
int ret = 0;
++file_priv->lock_count;
DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n",
lock->context, task_pid_nr(current),
- dev->lock.hw_lock->lock, lock->flags);
+ master->lock.hw_lock->lock, lock->flags);
if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE))
if (lock->context < 0)
return -EINVAL;
- add_wait_queue(&dev->lock.lock_queue, &entry);
- spin_lock_bh(&dev->lock.spinlock);
- dev->lock.user_waiters++;
- spin_unlock_bh(&dev->lock.spinlock);
+ add_wait_queue(&master->lock.lock_queue, &entry);
+ spin_lock_bh(&master->lock.spinlock);
+ master->lock.user_waiters++;
+ spin_unlock_bh(&master->lock.spinlock);
+
for (;;) {
__set_current_state(TASK_INTERRUPTIBLE);
- if (!dev->lock.hw_lock) {
+ if (!master->lock.hw_lock) {
/* Device has been unregistered */
ret = -EINTR;
break;
}
- if (drm_lock_take(&dev->lock, lock->context)) {
- dev->lock.file_priv = file_priv;
- dev->lock.lock_time = jiffies;
+ if (drm_lock_take(&master->lock, lock->context)) {
+ master->lock.file_priv = file_priv;
+ master->lock.lock_time = jiffies;
atomic_inc(&dev->counts[_DRM_STAT_LOCKS]);
break; /* Got lock */
}
break;
}
}
- spin_lock_bh(&dev->lock.spinlock);
- dev->lock.user_waiters--;
- spin_unlock_bh(&dev->lock.spinlock);
+ spin_lock_bh(&master->lock.spinlock);
+ master->lock.user_waiters--;
+ spin_unlock_bh(&master->lock.spinlock);
__set_current_state(TASK_RUNNING);
- remove_wait_queue(&dev->lock.lock_queue, &entry);
+ remove_wait_queue(&master->lock.lock_queue, &entry);
DRM_DEBUG("%d %s\n", lock->context,
ret ? "interrupted" : "has lock");
/* don't set the block all signals on the master process for now
* really probably not the correct answer but lets us debug xkb
* xserver for now */
- if (!file_priv->master) {
+ if (!file_priv->is_master) {
sigemptyset(&dev->sigmask);
sigaddset(&dev->sigmask, SIGSTOP);
sigaddset(&dev->sigmask, SIGTSTP);
sigaddset(&dev->sigmask, SIGTTIN);
sigaddset(&dev->sigmask, SIGTTOU);
dev->sigdata.context = lock->context;
- dev->sigdata.lock = dev->lock.hw_lock;
+ dev->sigdata.lock = master->lock.hw_lock;
block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask);
}
int drm_unlock(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
struct drm_lock *lock = data;
+ struct drm_master *master = file_priv->master;
if (lock->context == DRM_KERNEL_CONTEXT) {
DRM_ERROR("Process %d using kernel context %d\n",
if (dev->driver->kernel_context_switch_unlock)
dev->driver->kernel_context_switch_unlock(dev);
else {
- if (drm_lock_free(&dev->lock,lock->context)) {
+ if (drm_lock_free(&master->lock, lock->context)) {
/* FIXME: Should really bail out here. */
}
}
int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv)
{
- return (file_priv->lock_count && dev->lock.hw_lock &&
- _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) &&
- dev->lock.file_priv == file_priv);
+ struct drm_master *master = file_priv->master;
+ return (file_priv->lock_count && master->lock.hw_lock &&
+ _DRM_LOCK_IS_HELD(master->lock.hw_lock->lock) &&
+ master->lock.file_priv == file_priv);
}
EXPORT_SYMBOL(drm_i_have_hw_lock);
int *eof, void *data)
{
struct drm_minor *minor = (struct drm_minor *) data;
+ struct drm_master *master = minor->master;
struct drm_device *dev = minor->dev;
int len = 0;
return 0;
}
+ if (!master)
+ return 0;
+
*start = &buf[offset];
*eof = 0;
- if (dev->unique) {
+ if (master->unique) {
DRM_PROC_PRINT("%s %s %s\n",
dev->driver->pci_driver.name,
- pci_name(dev->pdev), dev->unique);
+ pci_name(dev->pdev), master->unique);
} else {
DRM_PROC_PRINT("%s %s\n", dev->driver->pci_driver.name,
pci_name(dev->pdev));
return new_id;
}
+struct drm_master *drm_master_create(struct drm_minor *minor)
+{
+ struct drm_master *master;
+
+ master = drm_calloc(1, sizeof(*master), DRM_MEM_DRIVER);
+ if (!master)
+ return NULL;
+
+ kref_init(&master->refcount);
+ spin_lock_init(&master->lock.spinlock);
+ init_waitqueue_head(&master->lock.lock_queue);
+ drm_ht_create(&master->magiclist, DRM_MAGIC_HASH_ORDER);
+ INIT_LIST_HEAD(&master->magicfree);
+ master->minor = minor;
+
+ list_add_tail(&master->head, &minor->master_list);
+
+ return master;
+}
+
+struct drm_master *drm_master_get(struct drm_master *master)
+{
+ kref_get(&master->refcount);
+ return master;
+}
+
+static void drm_master_destroy(struct kref *kref)
+{
+ struct drm_master *master = container_of(kref, struct drm_master, refcount);
+ struct drm_magic_entry *pt, *next;
+ struct drm_device *dev = master->minor->dev;
+
+ list_del(&master->head);
+
+ if (dev->driver->master_destroy)
+ dev->driver->master_destroy(dev, master);
+
+ if (master->unique) {
+ drm_free(master->unique, strlen(master->unique) + 1, DRM_MEM_DRIVER);
+ master->unique = NULL;
+ master->unique_len = 0;
+ }
+
+ list_for_each_entry_safe(pt, next, &master->magicfree, head) {
+ list_del(&pt->head);
+ drm_ht_remove_item(&master->magiclist, &pt->hash_item);
+ drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC);
+ }
+
+ drm_ht_remove(&master->magiclist);
+
+ if (master->lock.hw_lock) {
+ if (dev->sigdata.lock == master->lock.hw_lock)
+ dev->sigdata.lock = NULL;
+ master->lock.hw_lock = NULL;
+ master->lock.file_priv = NULL;
+ wake_up_interruptible(&master->lock.lock_queue);
+ }
+
+ drm_free(master, sizeof(*master), DRM_MEM_DRIVER);
+}
+
+void drm_master_put(struct drm_master **master)
+{
+ kref_put(&(*master)->refcount, drm_master_destroy);
+ *master = NULL;
+}
+
+int drm_setmaster_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ if (file_priv->minor->master && file_priv->minor->master != file_priv->master)
+ return -EINVAL;
+
+ if (!file_priv->master)
+ return -EINVAL;
+
+ if (!file_priv->minor->master &&
+ file_priv->minor->master != file_priv->master) {
+ mutex_lock(&dev->struct_mutex);
+ file_priv->minor->master = drm_master_get(file_priv->master);
+ mutex_lock(&dev->struct_mutex);
+ }
+
+ return 0;
+}
+
+int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ if (!file_priv->master)
+ return -EINVAL;
+ mutex_lock(&dev->struct_mutex);
+ drm_master_put(&file_priv->minor->master);
+ mutex_unlock(&dev->struct_mutex);
+ return 0;
+}
+
static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev,
const struct pci_device_id *ent,
struct drm_driver *driver)
spin_lock_init(&dev->count_lock);
spin_lock_init(&dev->drw_lock);
- spin_lock_init(&dev->lock.spinlock);
init_timer(&dev->timer);
mutex_init(&dev->struct_mutex);
mutex_init(&dev->ctxlist_mutex);
new_minor->device = MKDEV(DRM_MAJOR, minor_id);
new_minor->dev = dev;
new_minor->index = minor_id;
+ INIT_LIST_HEAD(&new_minor->master_list);
idr_replace(&drm_minors_idr, new_minor, minor_id);
{
DRM_DEBUG("release primary %s\n", dev->driver->pci_driver.name);
- if (dev->unique) {
- drm_free(dev->unique, strlen(dev->unique) + 1, DRM_MEM_DRIVER);
- dev->unique = NULL;
- dev->unique_len = 0;
- }
if (dev->devname) {
drm_free(dev->devname, strlen(dev->devname) + 1,
DRM_MEM_DRIVER);
int i915_wait_ring(struct drm_device * dev, int n, const char *caller)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
drm_i915_ring_buffer_t *ring = &(dev_priv->ring);
u32 acthd_reg = IS_I965G(dev) ? ACTHD_I965 : ACTHD;
u32 last_acthd = I915_READ(acthd_reg);
if (ring->space >= n)
return 0;
- if (dev_priv->sarea_priv)
- dev_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
+ if (master_priv->sarea_priv)
+ master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
if (ring->head != last_head)
i = 0;
void i915_kernel_lost_context(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_master_private *master_priv;
drm_i915_ring_buffer_t *ring = &(dev_priv->ring);
ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
if (ring->space < 0)
ring->space += ring->Size;
- if (ring->head == ring->tail && dev_priv->sarea_priv)
- dev_priv->sarea_priv->perf_boxes |= I915_BOX_RING_EMPTY;
+ if (!dev->primary->master)
+ return;
+
+ master_priv = dev->primary->master->driver_priv;
+ if (ring->head == ring->tail && master_priv->sarea_priv)
+ master_priv->sarea_priv->perf_boxes |= I915_BOX_RING_EMPTY;
}
static int i915_dma_cleanup(struct drm_device * dev)
if (I915_NEED_GFX_HWS(dev))
i915_free_hws(dev);
- dev_priv->sarea = NULL;
- dev_priv->sarea_priv = NULL;
-
return 0;
}
static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
{
drm_i915_private_t *dev_priv = dev->dev_private;
-
- dev_priv->sarea = drm_getsarea(dev);
- if (!dev_priv->sarea) {
- DRM_ERROR("can not find sarea!\n");
- i915_dma_cleanup(dev);
- return -EINVAL;
- }
-
- dev_priv->sarea_priv = (drm_i915_sarea_t *)
- ((u8 *) dev_priv->sarea->handle + init->sarea_priv_offset);
+ struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
if (init->ring_size != 0) {
if (dev_priv->ring.ring_obj != NULL) {
dev_priv->back_offset = init->back_offset;
dev_priv->front_offset = init->front_offset;
dev_priv->current_page = 0;
- dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
+ if (master_priv->sarea_priv)
+ master_priv->sarea_priv->pf_current_page = 0;
/* Allow hardware batchbuffers unless told otherwise.
*/
DRM_DEBUG("%s\n", __func__);
- if (!dev_priv->sarea) {
- DRM_ERROR("can not find sarea!\n");
- return -EINVAL;
- }
-
if (dev_priv->ring.map.handle == NULL) {
DRM_ERROR("can not ioremap virtual address for"
" ring buffer\n");
static void i915_emit_breadcrumb(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
RING_LOCALS;
dev_priv->counter++;
if (dev_priv->counter > 0x7FFFFFFFUL)
dev_priv->counter = 0;
- if (dev_priv->sarea_priv)
- dev_priv->sarea_priv->last_enqueue = dev_priv->counter;
+ if (master_priv->sarea_priv)
+ master_priv->sarea_priv->last_enqueue = dev_priv->counter;
BEGIN_LP_RING(4);
OUT_RING(MI_STORE_DWORD_INDEX);
static int i915_dispatch_flip(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_master_private *master_priv =
+ dev->primary->master->driver_priv;
RING_LOCALS;
- if (!dev_priv->sarea_priv)
+ if (!master_priv->sarea_priv)
return -EINVAL;
DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n",
__func__,
dev_priv->current_page,
- dev_priv->sarea_priv->pf_current_page);
+ master_priv->sarea_priv->pf_current_page);
i915_kernel_lost_context(dev);
OUT_RING(0);
ADVANCE_LP_RING();
- dev_priv->sarea_priv->last_enqueue = dev_priv->counter++;
+ master_priv->sarea_priv->last_enqueue = dev_priv->counter++;
BEGIN_LP_RING(4);
OUT_RING(MI_STORE_DWORD_INDEX);
OUT_RING(0);
ADVANCE_LP_RING();
- dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
+ master_priv->sarea_priv->pf_current_page = dev_priv->current_page;
return 0;
}
struct drm_file *file_priv)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *)
- dev_priv->sarea_priv;
+ master_priv->sarea_priv;
drm_i915_batchbuffer_t *batch = data;
int ret;
struct drm_file *file_priv)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *)
- dev_priv->sarea_priv;
+ master_priv->sarea_priv;
drm_i915_cmdbuffer_t *cmdbuf = data;
int ret;
return 0;
}
+int i915_master_create(struct drm_device *dev, struct drm_master *master)
+{
+ struct drm_i915_master_private *master_priv;
+
+ master_priv = drm_calloc(1, sizeof(*master_priv), DRM_MEM_DRIVER);
+ if (!master_priv)
+ return -ENOMEM;
+
+ master->driver_priv = master_priv;
+ return 0;
+}
+
+void i915_master_destroy(struct drm_device *dev, struct drm_master *master)
+{
+ struct drm_i915_master_private *master_priv = master->driver_priv;
+
+ if (!master_priv)
+ return;
+
+ drm_free(master_priv, sizeof(*master_priv), DRM_MEM_DRIVER);
+
+ master->driver_priv = NULL;
+}
+
int i915_driver_load(struct drm_device *dev, unsigned long flags)
{
struct drm_i915_private *dev_priv = dev->dev_private;
.reclaim_buffers = drm_core_reclaim_buffers,
.get_map_ofs = drm_core_get_map_ofs,
.get_reg_ofs = drm_core_get_reg_ofs,
+ .master_create = i915_master_create,
+ .master_destroy = i915_master_destroy,
.proc_init = i915_gem_proc_init,
.proc_cleanup = i915_gem_proc_cleanup,
.gem_init_object = i915_gem_init_object,
int enabled;
};
+struct drm_i915_master_private {
+ drm_local_map_t *sarea;
+ struct _drm_i915_sarea *sarea_priv;
+};
+
typedef struct drm_i915_private {
struct drm_device *dev;
int has_gem;
void __iomem *regs;
- drm_local_map_t *sarea;
- drm_i915_sarea_t *sarea_priv;
drm_i915_ring_buffer_t ring;
drm_dma_handle_t *status_page_dmah;
extern struct drm_ioctl_desc i915_ioctls[];
extern int i915_max_ioctl;
+extern int i915_master_create(struct drm_device *dev, struct drm_master *master);
+extern void i915_master_destroy(struct drm_device *dev, struct drm_master *master);
+
/* i915_dma.c */
extern void i915_kernel_lost_context(struct drm_device * dev);
extern int i915_driver_load(struct drm_device *, unsigned long flags);
{
struct drm_device *dev = (struct drm_device *) arg;
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ struct drm_i915_master_private *master_priv;
u32 iir, new_iir;
u32 pipea_stats, pipeb_stats;
u32 vblank_status;
I915_WRITE(IIR, iir);
new_iir = I915_READ(IIR); /* Flush posted writes */
- if (dev_priv->sarea_priv)
- dev_priv->sarea_priv->last_dispatch =
- READ_BREADCRUMB(dev_priv);
+ if (dev->primary->master) {
+ master_priv = dev->primary->master->driver_priv;
+ if (master_priv->sarea_priv)
+ master_priv->sarea_priv->last_dispatch =
+ READ_BREADCRUMB(dev_priv);
+ }
if (iir & I915_USER_INTERRUPT) {
dev_priv->mm.irq_gem_seqno = i915_get_gem_seqno(dev);
static int i915_emit_irq(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
RING_LOCALS;
i915_kernel_lost_context(dev);
dev_priv->counter++;
if (dev_priv->counter > 0x7FFFFFFFUL)
dev_priv->counter = 1;
- if (dev_priv->sarea_priv)
- dev_priv->sarea_priv->last_enqueue = dev_priv->counter;
+ if (master_priv->sarea_priv)
+ master_priv->sarea_priv->last_enqueue = dev_priv->counter;
BEGIN_LP_RING(4);
OUT_RING(MI_STORE_DWORD_INDEX);
static int i915_wait_irq(struct drm_device * dev, int irq_nr)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
int ret = 0;
DRM_DEBUG("irq_nr=%d breadcrumb=%d\n", irq_nr,
READ_BREADCRUMB(dev_priv));
if (READ_BREADCRUMB(dev_priv) >= irq_nr) {
- if (dev_priv->sarea_priv) {
- dev_priv->sarea_priv->last_dispatch =
- READ_BREADCRUMB(dev_priv);
- }
+ if (master_priv->sarea_priv)
+ master_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
return 0;
}
- if (dev_priv->sarea_priv)
- dev_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
+ if (master_priv->sarea_priv)
+ master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
i915_user_irq_get(dev);
DRM_WAIT_ON(ret, dev_priv->irq_queue, 3 * DRM_HZ,
READ_BREADCRUMB(dev_priv), (int)dev_priv->counter);
}
- if (dev_priv->sarea_priv)
- dev_priv->sarea_priv->last_dispatch =
- READ_BREADCRUMB(dev_priv);
-
return ret;
}
static void mark_block(struct drm_device * dev, struct mem_block *p, int in_use)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- drm_i915_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
+ drm_i915_sarea_t *sarea_priv = master_priv->sarea_priv;
struct drm_tex_region *list;
unsigned shift, nr;
unsigned start;
* The actual age emit is done by r300_do_cp_cmdbuf, which is why you must
* be careful about how this function is called.
*/
-static void r300_discard_buffer(struct drm_device * dev, struct drm_buf * buf)
+static void r300_discard_buffer(struct drm_device *dev, struct drm_master *master, struct drm_buf *buf)
{
- drm_radeon_private_t *dev_priv = dev->dev_private;
drm_radeon_buf_priv_t *buf_priv = buf->dev_private;
+ struct drm_radeon_master_private *master_priv = master->driver_priv;
- buf_priv->age = ++dev_priv->sarea_priv->last_dispatch;
+ buf_priv->age = ++master_priv->sarea_priv->last_dispatch;
buf->pending = 1;
buf->used = 0;
}
drm_radeon_kcmd_buffer_t *cmdbuf)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
+ struct drm_radeon_master_private *master_priv = file_priv->master->driver_priv;
struct drm_device_dma *dma = dev->dma;
struct drm_buf *buf = NULL;
int emit_dispatch_age = 0;
}
emit_dispatch_age = 1;
- r300_discard_buffer(dev, buf);
+ r300_discard_buffer(dev, file_priv->master, buf);
break;
case R300_CMD_WAIT:
/* Emit the vertex buffer age */
BEGIN_RING(2);
- RADEON_DISPATCH_AGE(dev_priv->sarea_priv->last_dispatch);
+ RADEON_DISPATCH_AGE(master_priv->sarea_priv->last_dispatch);
ADVANCE_RING();
}
#include "drmP.h"
#include "drm.h"
+#include "drm_sarea.h"
#include "radeon_drm.h"
#include "radeon_drv.h"
#include "r300_reg.h"
RADEON_WRITE(RADEON_BUS_CNTL, tmp);
} /* PCIE cards appears to not need this */
- dev_priv->sarea_priv->last_frame = dev_priv->scratch[0] = 0;
- RADEON_WRITE(RADEON_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame);
+ dev_priv->scratch[0] = 0;
+ RADEON_WRITE(RADEON_LAST_FRAME_REG, 0);
- dev_priv->sarea_priv->last_dispatch = dev_priv->scratch[1] = 0;
- RADEON_WRITE(RADEON_LAST_DISPATCH_REG,
- dev_priv->sarea_priv->last_dispatch);
+ dev_priv->scratch[1] = 0;
+ RADEON_WRITE(RADEON_LAST_DISPATCH_REG, 0);
- dev_priv->sarea_priv->last_clear = dev_priv->scratch[2] = 0;
- RADEON_WRITE(RADEON_LAST_CLEAR_REG, dev_priv->sarea_priv->last_clear);
+ dev_priv->scratch[2] = 0;
+ RADEON_WRITE(RADEON_LAST_CLEAR_REG, 0);
radeon_do_wait_for_idle(dev_priv);
}
}
-static int radeon_do_init_cp(struct drm_device * dev, drm_radeon_init_t * init)
+static int radeon_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init,
+ struct drm_file *file_priv)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
+ struct drm_radeon_master_private *master_priv = file_priv->master->driver_priv;
DRM_DEBUG("\n");
dev_priv->buffers_offset = init->buffers_offset;
dev_priv->gart_textures_offset = init->gart_textures_offset;
- dev_priv->sarea = drm_getsarea(dev);
- if (!dev_priv->sarea) {
+ master_priv->sarea = drm_getsarea(dev);
+ if (!master_priv->sarea) {
DRM_ERROR("could not find sarea!\n");
radeon_do_cleanup_cp(dev);
return -EINVAL;
}
}
- dev_priv->sarea_priv =
- (drm_radeon_sarea_t *) ((u8 *) dev_priv->sarea->handle +
- init->sarea_priv_offset);
-
#if __OS_HAS_AGP
if (dev_priv->flags & RADEON_IS_AGP) {
drm_core_ioremap(dev_priv->cp_ring, dev);
case RADEON_INIT_CP:
case RADEON_INIT_R200_CP:
case RADEON_INIT_R300_CP:
- return radeon_do_init_cp(dev, init);
+ return radeon_do_init_cp(dev, init, file_priv);
case RADEON_CLEANUP_CP:
return radeon_do_cleanup_cp(dev);
}
return ret;
}
+int radeon_master_create(struct drm_device *dev, struct drm_master *master)
+{
+ struct drm_radeon_master_private *master_priv;
+ unsigned long sareapage;
+ int ret;
+
+ master_priv = drm_calloc(1, sizeof(*master_priv), DRM_MEM_DRIVER);
+ if (!master_priv)
+ return -ENOMEM;
+
+ /* prebuild the SAREA */
+ sareapage = max(SAREA_MAX, PAGE_SIZE);
+ ret = drm_addmap(dev, 0, sareapage, _DRM_SHM, _DRM_CONTAINS_LOCK|_DRM_DRIVER,
+ &master_priv->sarea);
+ if (ret) {
+ DRM_ERROR("SAREA setup failed\n");
+ return ret;
+ }
+ master_priv->sarea_priv = master_priv->sarea->handle + sizeof(struct drm_sarea);
+ master_priv->sarea_priv->pfCurrentPage = 0;
+
+ master->driver_priv = master_priv;
+ return 0;
+}
+
+void radeon_master_destroy(struct drm_device *dev, struct drm_master *master)
+{
+ struct drm_radeon_master_private *master_priv = master->driver_priv;
+
+ if (!master_priv)
+ return;
+
+ if (master_priv->sarea_priv &&
+ master_priv->sarea_priv->pfCurrentPage != 0)
+ radeon_cp_dispatch_flip(dev, master);
+
+ master_priv->sarea_priv = NULL;
+ if (master_priv->sarea)
+ drm_rmmap(dev, master_priv->sarea);
+
+ drm_free(master_priv, sizeof(*master_priv), DRM_MEM_DRIVER);
+
+ master->driver_priv = NULL;
+}
+
/* Create mappings for registers and framebuffer so userland doesn't necessarily
* have to find them.
*/
#define RADEON_FLUSH_EMITED (1 < 0)
#define RADEON_PURGE_EMITED (1 < 1)
+struct drm_radeon_master_private {
+ drm_local_map_t *sarea;
+ drm_radeon_sarea_t *sarea_priv;
+};
+
typedef struct drm_radeon_private {
drm_radeon_ring_buffer_t ring;
- drm_radeon_sarea_t *sarea_priv;
u32 fb_location;
u32 fb_size;
extern long radeon_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg);
+extern int radeon_master_create(struct drm_device *dev, struct drm_master *master);
+extern void radeon_master_destroy(struct drm_device *dev, struct drm_master *master);
+extern void radeon_cp_dispatch_flip(struct drm_device *dev, struct drm_master *master);
/* r300_cmdbuf.c */
extern void r300_init_reg_flags(struct drm_device *dev);
} while (0)
#define VB_AGE_TEST_WITH_RETURN( dev_priv ) \
-do { \
- drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; \
+do { \
+ struct drm_radeon_master_private *master_priv = file_priv->master->driver_priv; \
+ drm_radeon_sarea_t *sarea_priv = master_priv->sarea_priv; \
if ( sarea_priv->last_dispatch >= RADEON_MAX_VB_AGE ) { \
int __ret = radeon_do_cp_idle( dev_priv ); \
if ( __ret ) return __ret; \
*/
static void radeon_clear_box(drm_radeon_private_t * dev_priv,
+ struct drm_radeon_master_private *master_priv,
int x, int y, int w, int h, int r, int g, int b)
{
u32 color;
RING_LOCALS;
- x += dev_priv->sarea_priv->boxes[0].x1;
- y += dev_priv->sarea_priv->boxes[0].y1;
+ x += master_priv->sarea_priv->boxes[0].x1;
+ y += master_priv->sarea_priv->boxes[0].y1;
switch (dev_priv->color_fmt) {
case RADEON_COLOR_FORMAT_RGB565:
RADEON_GMC_SRC_DATATYPE_COLOR |
RADEON_ROP3_P | RADEON_GMC_CLR_CMP_CNTL_DIS);
- if (dev_priv->sarea_priv->pfCurrentPage == 1) {
+ if (master_priv->sarea_priv->pfCurrentPage == 1) {
OUT_RING(dev_priv->front_pitch_offset);
} else {
OUT_RING(dev_priv->back_pitch_offset);
ADVANCE_RING();
}
-static void radeon_cp_performance_boxes(drm_radeon_private_t * dev_priv)
+static void radeon_cp_performance_boxes(drm_radeon_private_t *dev_priv, struct drm_radeon_master_private *master_priv)
{
/* Collapse various things into a wait flag -- trying to
* guess if userspase slept -- better just to have them tell us.
/* Purple box for page flipping
*/
if (dev_priv->stats.boxes & RADEON_BOX_FLIP)
- radeon_clear_box(dev_priv, 4, 4, 8, 8, 255, 0, 255);
+ radeon_clear_box(dev_priv, master_priv, 4, 4, 8, 8, 255, 0, 255);
/* Red box if we have to wait for idle at any point
*/
if (dev_priv->stats.boxes & RADEON_BOX_WAIT_IDLE)
- radeon_clear_box(dev_priv, 16, 4, 8, 8, 255, 0, 0);
+ radeon_clear_box(dev_priv, master_priv, 16, 4, 8, 8, 255, 0, 0);
/* Blue box: lost context?
*/
/* Yellow box for texture swaps
*/
if (dev_priv->stats.boxes & RADEON_BOX_TEXTURE_LOAD)
- radeon_clear_box(dev_priv, 40, 4, 8, 8, 255, 255, 0);
+ radeon_clear_box(dev_priv, master_priv, 40, 4, 8, 8, 255, 255, 0);
/* Green box if hardware never idles (as far as we can tell)
*/
if (!(dev_priv->stats.boxes & RADEON_BOX_DMA_IDLE))
- radeon_clear_box(dev_priv, 64, 4, 8, 8, 0, 255, 0);
+ radeon_clear_box(dev_priv, master_priv, 64, 4, 8, 8, 0, 255, 0);
/* Draw bars indicating number of buffers allocated
* (not a great measure, easily confused)
if (dev_priv->stats.requested_bufs > 100)
dev_priv->stats.requested_bufs = 100;
- radeon_clear_box(dev_priv, 4, 16,
+ radeon_clear_box(dev_priv, master_priv, 4, 16,
dev_priv->stats.requested_bufs, 4,
196, 128, 128);
}
*/
static void radeon_cp_dispatch_clear(struct drm_device * dev,
+ struct drm_master *master,
drm_radeon_clear_t * clear,
drm_radeon_clear_rect_t * depth_boxes)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ struct drm_radeon_master_private *master_priv = master->driver_priv;
+ drm_radeon_sarea_t *sarea_priv = master_priv->sarea_priv;
drm_radeon_depth_clear_t *depth_clear = &dev_priv->depth_clear;
int nbox = sarea_priv->nbox;
struct drm_clip_rect *pbox = sarea_priv->boxes;
dev_priv->stats.clears++;
- if (dev_priv->sarea_priv->pfCurrentPage == 1) {
+ if (sarea_priv->pfCurrentPage == 1) {
unsigned int tmp = flags;
flags &= ~(RADEON_FRONT | RADEON_BACK);
/* Make sure we restore the 3D state next time.
*/
- dev_priv->sarea_priv->ctx_owner = 0;
+ sarea_priv->ctx_owner = 0;
for (i = 0; i < nbox; i++) {
int x = pbox[i].x1;
/* Make sure we restore the 3D state next time.
* we haven't touched any "normal" state - still need this?
*/
- dev_priv->sarea_priv->ctx_owner = 0;
+ sarea_priv->ctx_owner = 0;
if ((dev_priv->flags & RADEON_HAS_HIERZ)
&& (flags & RADEON_USE_HIERZ)) {
/* Make sure we restore the 3D state next time.
*/
- dev_priv->sarea_priv->ctx_owner = 0;
+ sarea_priv->ctx_owner = 0;
for (i = 0; i < nbox; i++) {
/* Make sure we restore the 3D state next time.
*/
- dev_priv->sarea_priv->ctx_owner = 0;
+ sarea_priv->ctx_owner = 0;
for (i = 0; i < nbox; i++) {
* wait on this value before performing the clear ioctl. We
* need this because the card's so damned fast...
*/
- dev_priv->sarea_priv->last_clear++;
+ sarea_priv->last_clear++;
BEGIN_RING(4);
- RADEON_CLEAR_AGE(dev_priv->sarea_priv->last_clear);
+ RADEON_CLEAR_AGE(sarea_priv->last_clear);
RADEON_WAIT_UNTIL_IDLE();
ADVANCE_RING();
}
-static void radeon_cp_dispatch_swap(struct drm_device * dev)
+static void radeon_cp_dispatch_swap(struct drm_device *dev, struct drm_master *master)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ struct drm_radeon_master_private *master_priv = master->driver_priv;
+ drm_radeon_sarea_t *sarea_priv = master_priv->sarea_priv;
int nbox = sarea_priv->nbox;
struct drm_clip_rect *pbox = sarea_priv->boxes;
int i;
/* Do some trivial performance monitoring...
*/
if (dev_priv->do_boxes)
- radeon_cp_performance_boxes(dev_priv);
+ radeon_cp_performance_boxes(dev_priv, master_priv);
/* Wait for the 3D stream to idle before dispatching the bitblt.
* This will prevent data corruption between the two streams.
/* Make this work even if front & back are flipped:
*/
OUT_RING(CP_PACKET0(RADEON_SRC_PITCH_OFFSET, 1));
- if (dev_priv->sarea_priv->pfCurrentPage == 0) {
+ if (sarea_priv->pfCurrentPage == 0) {
OUT_RING(dev_priv->back_pitch_offset);
OUT_RING(dev_priv->front_pitch_offset);
} else {
* throttle the framerate by waiting for this value before
* performing the swapbuffer ioctl.
*/
- dev_priv->sarea_priv->last_frame++;
+ sarea_priv->last_frame++;
BEGIN_RING(4);
- RADEON_FRAME_AGE(dev_priv->sarea_priv->last_frame);
+ RADEON_FRAME_AGE(sarea_priv->last_frame);
RADEON_WAIT_UNTIL_2D_IDLE();
ADVANCE_RING();
}
-static void radeon_cp_dispatch_flip(struct drm_device * dev)
+void radeon_cp_dispatch_flip(struct drm_device *dev, struct drm_master *master)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
- struct drm_sarea *sarea = (struct drm_sarea *) dev_priv->sarea->handle;
- int offset = (dev_priv->sarea_priv->pfCurrentPage == 1)
+ struct drm_radeon_master_private *master_priv = master->driver_priv;
+ struct drm_sarea *sarea = (struct drm_sarea *)master_priv->sarea->handle;
+ int offset = (master_priv->sarea_priv->pfCurrentPage == 1)
? dev_priv->front_offset : dev_priv->back_offset;
RING_LOCALS;
DRM_DEBUG("pfCurrentPage=%d\n",
- dev_priv->sarea_priv->pfCurrentPage);
+ master_priv->sarea_priv->pfCurrentPage);
/* Do some trivial performance monitoring...
*/
if (dev_priv->do_boxes) {
dev_priv->stats.boxes |= RADEON_BOX_FLIP;
- radeon_cp_performance_boxes(dev_priv);
+ radeon_cp_performance_boxes(dev_priv, master_priv);
}
/* Update the frame offsets for both CRTCs
((sarea->frame.y * dev_priv->front_pitch +
sarea->frame.x * (dev_priv->color_fmt - 2)) & ~7)
+ offset);
- OUT_RING_REG(RADEON_CRTC2_OFFSET, dev_priv->sarea_priv->crtc2_base
+ OUT_RING_REG(RADEON_CRTC2_OFFSET, master_priv->sarea_priv->crtc2_base
+ offset);
ADVANCE_RING();
* throttle the framerate by waiting for this value before
* performing the swapbuffer ioctl.
*/
- dev_priv->sarea_priv->last_frame++;
- dev_priv->sarea_priv->pfCurrentPage =
- 1 - dev_priv->sarea_priv->pfCurrentPage;
+ master_priv->sarea_priv->last_frame++;
+ master_priv->sarea_priv->pfCurrentPage =
+ 1 - master_priv->sarea_priv->pfCurrentPage;
BEGIN_RING(2);
- RADEON_FRAME_AGE(dev_priv->sarea_priv->last_frame);
+ RADEON_FRAME_AGE(master_priv->sarea_priv->last_frame);
ADVANCE_RING();
}
} drm_radeon_tcl_prim_t;
static void radeon_cp_dispatch_vertex(struct drm_device * dev,
+ struct drm_file *file_priv,
struct drm_buf * buf,
drm_radeon_tcl_prim_t * prim)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ struct drm_radeon_master_private *master_priv = file_priv->master->driver_priv;
+ drm_radeon_sarea_t *sarea_priv = master_priv->sarea_priv;
int offset = dev_priv->gart_buffers_offset + buf->offset + prim->start;
int numverts = (int)prim->numverts;
int nbox = sarea_priv->nbox;
} while (i < nbox);
}
-static void radeon_cp_discard_buffer(struct drm_device * dev, struct drm_buf * buf)
+static void radeon_cp_discard_buffer(struct drm_device *dev, struct drm_master *master, struct drm_buf *buf)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
+ struct drm_radeon_master_private *master_priv = master->driver_priv;
drm_radeon_buf_priv_t *buf_priv = buf->dev_private;
RING_LOCALS;
- buf_priv->age = ++dev_priv->sarea_priv->last_dispatch;
+ buf_priv->age = ++master_priv->sarea_priv->last_dispatch;
/* Emit the vertex buffer age */
BEGIN_RING(2);
}
}
-static void radeon_cp_dispatch_indices(struct drm_device * dev,
+static void radeon_cp_dispatch_indices(struct drm_device *dev,
+ struct drm_master *master,
struct drm_buf * elt_buf,
drm_radeon_tcl_prim_t * prim)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ struct drm_radeon_master_private *master_priv = master->driver_priv;
+ drm_radeon_sarea_t *sarea_priv = master_priv->sarea_priv;
int offset = dev_priv->gart_buffers_offset + prim->offset;
u32 *data;
int dwords;
ADVANCE_RING();
COMMIT_RING();
- radeon_cp_discard_buffer(dev, buf);
+ radeon_cp_discard_buffer(dev, file_priv->master, buf);
/* Update the input parameters for next time */
image->y += height;
static int radeon_cp_clear(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ struct drm_radeon_master_private *master_priv = file_priv->master->driver_priv;
+ drm_radeon_sarea_t *sarea_priv = master_priv->sarea_priv;
drm_radeon_clear_t *clear = data;
drm_radeon_clear_rect_t depth_boxes[RADEON_NR_SAREA_CLIPRECTS];
DRM_DEBUG("\n");
sarea_priv->nbox * sizeof(depth_boxes[0])))
return -EFAULT;
- radeon_cp_dispatch_clear(dev, clear, depth_boxes);
+ radeon_cp_dispatch_clear(dev, file_priv->master, clear, depth_boxes);
COMMIT_RING();
return 0;
/* Not sure why this isn't set all the time:
*/
-static int radeon_do_init_pageflip(struct drm_device * dev)
+static int radeon_do_init_pageflip(struct drm_device *dev, struct drm_master *master)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
+ struct drm_radeon_master_private *master_priv = master->driver_priv;
RING_LOCALS;
DRM_DEBUG("\n");
dev_priv->page_flipping = 1;
- if (dev_priv->sarea_priv->pfCurrentPage != 1)
- dev_priv->sarea_priv->pfCurrentPage = 0;
+ if (master_priv->sarea_priv->pfCurrentPage != 1)
+ master_priv->sarea_priv->pfCurrentPage = 0;
return 0;
}
RING_SPACE_TEST_WITH_RETURN(dev_priv);
if (!dev_priv->page_flipping)
- radeon_do_init_pageflip(dev);
+ radeon_do_init_pageflip(dev, file_priv->master);
- radeon_cp_dispatch_flip(dev);
+ radeon_cp_dispatch_flip(dev, file_priv->master);
COMMIT_RING();
return 0;
static int radeon_cp_swap(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ struct drm_radeon_master_private *master_priv = file_priv->master->driver_priv;
+ drm_radeon_sarea_t *sarea_priv = master_priv->sarea_priv;
+
DRM_DEBUG("\n");
LOCK_TEST_WITH_RETURN(dev, file_priv);
if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS)
sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS;
- radeon_cp_dispatch_swap(dev);
- dev_priv->sarea_priv->ctx_owner = 0;
+ radeon_cp_dispatch_swap(dev, file_priv->master);
+ sarea_priv->ctx_owner = 0;
COMMIT_RING();
return 0;
static int radeon_cp_vertex(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ struct drm_radeon_master_private *master_priv = file_priv->master->driver_priv;
+ drm_radeon_sarea_t *sarea_priv;
struct drm_device_dma *dma = dev->dma;
struct drm_buf *buf;
drm_radeon_vertex_t *vertex = data;
LOCK_TEST_WITH_RETURN(dev, file_priv);
+ sarea_priv = master_priv->sarea_priv;
+
DRM_DEBUG("pid=%d index=%d count=%d discard=%d\n",
DRM_CURRENTPID, vertex->idx, vertex->count, vertex->discard);
prim.finish = vertex->count; /* unused */
prim.prim = vertex->prim;
prim.numverts = vertex->count;
- prim.vc_format = dev_priv->sarea_priv->vc_format;
+ prim.vc_format = sarea_priv->vc_format;
- radeon_cp_dispatch_vertex(dev, buf, &prim);
+ radeon_cp_dispatch_vertex(dev, file_priv, buf, &prim);
}
if (vertex->discard) {
- radeon_cp_discard_buffer(dev, buf);
+ radeon_cp_discard_buffer(dev, file_priv->master, buf);
}
COMMIT_RING();
static int radeon_cp_indices(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ struct drm_radeon_master_private *master_priv = file_priv->master->driver_priv;
+ drm_radeon_sarea_t *sarea_priv;
struct drm_device_dma *dma = dev->dma;
struct drm_buf *buf;
drm_radeon_indices_t *elts = data;
LOCK_TEST_WITH_RETURN(dev, file_priv);
+ sarea_priv = master_priv->sarea_priv;
+
DRM_DEBUG("pid=%d index=%d start=%d end=%d discard=%d\n",
DRM_CURRENTPID, elts->idx, elts->start, elts->end,
elts->discard);
prim.prim = elts->prim;
prim.offset = 0; /* offset from start of dma buffers */
prim.numverts = RADEON_MAX_VB_VERTS; /* duh */
- prim.vc_format = dev_priv->sarea_priv->vc_format;
+ prim.vc_format = sarea_priv->vc_format;
- radeon_cp_dispatch_indices(dev, buf, &prim);
+ radeon_cp_dispatch_indices(dev, file_priv->master, buf, &prim);
if (elts->discard) {
- radeon_cp_discard_buffer(dev, buf);
+ radeon_cp_discard_buffer(dev, file_priv->master, buf);
}
COMMIT_RING();
*/
radeon_cp_dispatch_indirect(dev, buf, indirect->start, indirect->end);
if (indirect->discard) {
- radeon_cp_discard_buffer(dev, buf);
+ radeon_cp_discard_buffer(dev, file_priv->master, buf);
}
COMMIT_RING();
static int radeon_cp_vertex2(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ struct drm_radeon_master_private *master_priv = file_priv->master->driver_priv;
+ drm_radeon_sarea_t *sarea_priv;
struct drm_device_dma *dma = dev->dma;
struct drm_buf *buf;
drm_radeon_vertex2_t *vertex = data;
LOCK_TEST_WITH_RETURN(dev, file_priv);
+ sarea_priv = master_priv->sarea_priv;
+
DRM_DEBUG("pid=%d index=%d discard=%d\n",
DRM_CURRENTPID, vertex->idx, vertex->discard);
tclprim.offset = prim.numverts * 64;
tclprim.numverts = RADEON_MAX_VB_VERTS; /* duh */
- radeon_cp_dispatch_indices(dev, buf, &tclprim);
+ radeon_cp_dispatch_indices(dev, file_priv->master, buf, &tclprim);
} else {
tclprim.numverts = prim.numverts;
tclprim.offset = 0; /* not used */
- radeon_cp_dispatch_vertex(dev, buf, &tclprim);
+ radeon_cp_dispatch_vertex(dev, file_priv, buf, &tclprim);
}
if (sarea_priv->nbox == 1)
}
if (vertex->discard) {
- radeon_cp_discard_buffer(dev, buf);
+ radeon_cp_discard_buffer(dev, file_priv->master, buf);
}
COMMIT_RING();
goto err;
}
- radeon_cp_discard_buffer(dev, buf);
+ radeon_cp_discard_buffer(dev, file_priv->master, buf);
break;
case RADEON_CMD_PACKET3:
*/
case RADEON_PARAM_SAREA_HANDLE:
/* The lock is the first dword in the sarea. */
- value = (long)dev->lock.hw_lock;
+ /* no users of this parameter */
break;
#endif
case RADEON_PARAM_GART_TEX_HANDLE:
static int radeon_cp_setparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
+ struct drm_radeon_master_private *master_priv = file_priv->master->driver_priv;
drm_radeon_setparam_t *sp = data;
struct drm_radeon_driver_file_fields *radeon_priv;
DRM_DEBUG("color tiling disabled\n");
dev_priv->front_pitch_offset &= ~RADEON_DST_TILE_MACRO;
dev_priv->back_pitch_offset &= ~RADEON_DST_TILE_MACRO;
- dev_priv->sarea_priv->tiling_enabled = 0;
+ if (master_priv->sarea_priv)
+ master_priv->sarea_priv->tiling_enabled = 0;
} else if (sp->value == 1) {
DRM_DEBUG("color tiling enabled\n");
dev_priv->front_pitch_offset |= RADEON_DST_TILE_MACRO;
dev_priv->back_pitch_offset |= RADEON_DST_TILE_MACRO;
- dev_priv->sarea_priv->tiling_enabled = 1;
+ if (master_priv->sarea_priv)
+ master_priv->sarea_priv->tiling_enabled = 1;
}
break;
case RADEON_SETPARAM_PCIGART_LOCATION:
void radeon_driver_lastclose(struct drm_device *dev)
{
- if (dev->dev_private) {
- drm_radeon_private_t *dev_priv = dev->dev_private;
-
- if (dev_priv->sarea_priv &&
- dev_priv->sarea_priv->pfCurrentPage != 0)
- radeon_cp_dispatch_flip(dev);
- }
-
radeon_do_release(dev);
}
#define DRM_IOCTL_SET_SAREA_CTX DRM_IOW( 0x1c, struct drm_ctx_priv_map)
#define DRM_IOCTL_GET_SAREA_CTX DRM_IOWR(0x1d, struct drm_ctx_priv_map)
+#define DRM_IOCTL_SET_MASTER DRM_IO(0x1e)
+#define DRM_IOCTL_DROP_MASTER DRM_IO(0x1f)
+
#define DRM_IOCTL_ADD_CTX DRM_IOWR(0x20, struct drm_ctx)
#define DRM_IOCTL_RM_CTX DRM_IOWR(0x21, struct drm_ctx)
#define DRM_IOCTL_MOD_CTX DRM_IOW( 0x22, struct drm_ctx)
*/
#define LOCK_TEST_WITH_RETURN( dev, file_priv ) \
do { \
- if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \
- dev->lock.file_priv != file_priv ) { \
+ if (!_DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock) || \
+ file_priv->master->lock.file_priv != file_priv) { \
DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\
- __func__, _DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ),\
- dev->lock.file_priv, file_priv ); \
+ __func__, _DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock),\
+ file_priv->master->lock.file_priv, file_priv); \
return -EINVAL; \
} \
} while (0)
/** File private data */
struct drm_file {
int authenticated;
- int master;
pid_t pid;
uid_t uid;
drm_magic_t magic;
unsigned long ioctl_count;
struct list_head lhead;
struct drm_minor *minor;
- int remove_auth_on_close;
unsigned long lock_count;
+
/** Mapping of mm object handles to object pointers. */
struct idr object_idr;
/** Lock for synchronization of access to object_idr. */
spinlock_t table_lock;
+
struct file *filp;
void *driver_priv;
+
+ int is_master; /* this file private is a master for a minor */
+ struct drm_master *master; /* master this node is currently associated with
+ N.B. not always minor->master */
};
/** Wait queue */
struct drm_hash_item hash;
struct drm_map *map; /**< mapping */
uint64_t user_token;
+ struct drm_master *master;
};
typedef struct drm_map drm_local_map_t;
void *driver_private;
};
+/* per-master structure */
+struct drm_master {
+
+ struct kref refcount; /* refcount for this master */
+
+ struct list_head head; /**< each minor contains a list of masters */
+ struct drm_minor *minor; /**< link back to minor we are a master for */
+
+ char *unique; /**< Unique identifier: e.g., busid */
+ int unique_len; /**< Length of unique field */
+
+ int blocked; /**< Blocked due to VC switch? */
+
+ /** \name Authentication */
+ /*@{ */
+ struct drm_open_hash magiclist;
+ struct list_head magicfree;
+ /*@} */
+
+ struct drm_lock_data lock; /**< Information on hardware lock */
+
+ void *driver_priv; /**< Private structure for driver to use */
+};
+
/**
* DRM driver structure. This structure represent the common code for
* a family of cards. There will one drm_device for each card present
void (*set_version) (struct drm_device *dev,
struct drm_set_version *sv);
+ /* Master routines */
+ int (*master_create)(struct drm_device *dev, struct drm_master *master);
+ void (*master_destroy)(struct drm_device *dev, struct drm_master *master);
+
int (*proc_init)(struct drm_minor *minor);
void (*proc_cleanup)(struct drm_minor *minor);
struct device kdev; /**< Linux device */
struct drm_device *dev;
struct proc_dir_entry *dev_root; /**< proc directory entry */
+ struct drm_master *master; /* currently active master for this node */
+ struct list_head master_list;
};
/**
*/
struct drm_device {
struct list_head driver_item; /**< list of devices per driver */
- char *unique; /**< Unique identifier: e.g., busid */
- int unique_len; /**< Length of unique field */
char *devname; /**< For /proc/interrupts */
int if_version; /**< Highest interface version set */
- int blocked; /**< Blocked due to VC switch? */
-
/** \name Locks */
/*@{ */
spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */
atomic_t counts[15];
/*@} */
- /** \name Authentication */
- /*@{ */
struct list_head filelist;
- struct drm_open_hash magiclist; /**< magic hash table */
- struct list_head magicfree;
- /*@} */
/** \name Memory management */
/*@{ */
struct idr ctx_idr;
struct list_head vmalist; /**< List of vmas (for debugging) */
- struct drm_lock_data lock; /**< Information on hardware lock */
/*@} */
/** \name DMA queues (contexts) */
extern void drm_agp_chipset_flush(struct drm_device *dev);
/* Stub support (drm_stub.h) */
+extern int drm_setmaster_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+struct drm_master *drm_master_create(struct drm_minor *minor);
+extern struct drm_master *drm_master_get(struct drm_master *master);
+extern void drm_master_put(struct drm_master **master);
extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
struct drm_driver *driver);
extern int drm_put_dev(struct drm_device *dev);
/* SAREA area needs to be at least a page */
#if defined(__alpha__)
-#define SAREA_MAX 0x2000
+#define SAREA_MAX 0x2000U
#elif defined(__ia64__)
-#define SAREA_MAX 0x10000 /* 64kB */
+#define SAREA_MAX 0x10000U /* 64kB */
#else
/* Intel 830M driver needs at least 8k SAREA */
-#define SAREA_MAX 0x2000
+#define SAREA_MAX 0x2000U
#endif
/** Maximum number of drawables in the SAREA */
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff