Allow for 44 bit user-tokens (or drm_file offsets)

4 files changed, 17 insertions, 16 deletions

diff --git a/linux-core/drm_bufs.c b/linux-core/drm_bufs.c
index 03659143..dd897a19 100644
--- a/linux-core/drm_bufs.c
+++ b/linux-core/drm_bufs.c
@@ -80,14 +80,14 @@ static int drm_map_handle(drm_device_t *dev, drm_hash_item_t *hash,
 
 	if (!use_hashed_handle) {
 		int ret;
-		hash->key = user_token;
+		hash->key = user_token >> PAGE_SHIFT;
 		ret = drm_ht_insert_item(&dev->map_hash, hash);
 		if (ret != -EINVAL) 
 			return ret;
 	}
 	return drm_ht_just_insert_please(&dev->map_hash, hash, 
 					 user_token, 32 - PAGE_SHIFT - 3,
-					 PAGE_SHIFT, DRM_MAP_HASH_OFFSET);
+					 0, DRM_MAP_HASH_OFFSET >> PAGE_SHIFT);
 }
 
 /**
@@ -301,7 +301,7 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset,
 		return ret;
 	}
 
-	list->user_token = list->hash.key;
+	list->user_token = list->hash.key << PAGE_SHIFT;
 	mutex_unlock(&dev->struct_mutex);
 
 	*maplist = list;
@@ -386,7 +386,8 @@ int drm_rmmap_locked(drm_device_t *dev, drm_local_map_t *map)
 
 		if (r_list->map == map) {
 			list_del(list);
-			drm_ht_remove_key(&dev->map_hash, r_list->user_token);
+			drm_ht_remove_key(&dev->map_hash, 
+					  r_list->user_token >> PAGE_SHIFT);
 			drm_free(list, sizeof(*list), DRM_MEM_MAPS);
 			break;
 		}
diff --git a/linux-core/drm_proc.c b/linux-core/drm_proc.c
index 488d1e71..b0b1748a 100644
--- a/linux-core/drm_proc.c
+++ b/linux-core/drm_proc.c
@@ -572,7 +572,7 @@ static int drm__vma_info(char *buf, char **start, off_t offset, int request,
 	for (pt = dev->vmalist; pt; pt = pt->next) {
 		if (!(vma = pt->vma))
 			continue;
-		DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx",
+		DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx000",
 			       pt->pid,
 			       vma->vm_start,
 			       vma->vm_end,
@@ -582,7 +582,7 @@ static int drm__vma_info(char *buf, char **start, off_t offset, int request,
 			       vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
 			       vma->vm_flags & VM_LOCKED ? 'l' : '-',
 			       vma->vm_flags & VM_IO ? 'i' : '-',
-			       VM_OFFSET(vma));
+			       vma->vm_pgoff);
 
 #if defined(__i386__)
 		pgprot = pgprot_val(vma->vm_page_prot);
diff --git a/linux-core/drm_ttm.c b/linux-core/drm_ttm.c
index 6790c886..5fbe283e 100644
--- a/linux-core/drm_ttm.c
+++ b/linux-core/drm_ttm.c
@@ -903,13 +903,13 @@ int drm_ttm_object_create(drm_device_t * dev, unsigned long size,
 
 	if (drm_ht_just_insert_please(&dev->map_hash, &list->hash,
 				      (unsigned long)map->handle,
-				      32 - PAGE_SHIFT - 3, PAGE_SHIFT,
-				      DRM_MAP_HASH_OFFSET)) {
+				      32 - PAGE_SHIFT - 3, 0,
+				      DRM_MAP_HASH_OFFSET >> PAGE_SHIFT)) {
 		drm_ttm_object_remove(dev, object);
 		return -ENOMEM;
 	}
 
-	list->user_token = list->hash.key;
+	list->user_token = list->hash.key << PAGE_SHIFT;
 
 	atomic_set(&object->usage, 1);
 	*ttm_object = object;
diff --git a/linux-core/drm_vm.c b/linux-core/drm_vm.c
index 76d7fb4e..4755684e 100644
--- a/linux-core/drm_vm.c
+++ b/linux-core/drm_vm.c
@@ -100,7 +100,7 @@ static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma,
 	if (!dev->agp || !dev->agp->cant_use_aperture)
 		goto vm_nopage_error;
 
-	if (drm_ht_find_item(&dev->map_hash, VM_OFFSET(vma), &hash))
+	if (drm_ht_find_item(&dev->map_hash, vma->vm_pgoff, &hash))
 		goto vm_nopage_error;
 
 	r_list = drm_hash_entry(hash, drm_map_list_t, hash);
@@ -753,8 +753,8 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
 	lock_kernel();
 	dev = priv->head->dev;
 	dma = dev->dma;
-	DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n",
-		  vma->vm_start, vma->vm_end, VM_OFFSET(vma));
+	DRM_DEBUG("start = 0x%lx, end = 0x%lx, page offset = 0x%lx\n",
+		  vma->vm_start, vma->vm_end, vma->vm_pgoff);
 
 	/* Length must match exact page count */
 	if (!dma || (length >> PAGE_SHIFT) != dma->page_count) {
@@ -813,8 +813,8 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
 	unsigned long offset = 0;
 	drm_hash_item_t *hash;
 
-	DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n",
-		  vma->vm_start, vma->vm_end, VM_OFFSET(vma));
+	DRM_DEBUG("start = 0x%lx, end = 0x%lx, page offset = 0x%lx\n",
+		  vma->vm_start, vma->vm_end, vma->vm_pgoff);
 
 	if (!priv->authenticated)
 		return -EACCES;
@@ -823,7 +823,7 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
 	 * the AGP mapped at physical address 0
 	 * --BenH.
 	 */
-	if (!VM_OFFSET(vma)
+	if (!vma->vm_pgoff
 #if __OS_HAS_AGP
 	    && (!dev->agp
 		|| dev->agp->agp_info.device->vendor != PCI_VENDOR_ID_APPLE)
@@ -831,7 +831,7 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
 	    )
 		return drm_mmap_dma(filp, vma);
 
-	if (drm_ht_find_item(&dev->map_hash, VM_OFFSET(vma), &hash)) {
+	if (drm_ht_find_item(&dev->map_hash, vma->vm_pgoff , &hash)) {
 		DRM_ERROR("Could not find map\n");
 		return -EINVAL;
 	}