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| author | David Herrmann <dh.herrmann@gmail.com> | 2016-09-01 15:48:33 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-09-19 12:22:08 +0300 |
| commit | d9a1f0b4eb6080dc42bb6373ab9abb0314cea41e (patch) | |
| tree | e30f04ac27771cc64af6c1e2de9386742b90d0ae /include | |
| parent | 75ae95a75d640129fc4aff412c6ecc057142a149 (diff) | |
| download | linux-d9a1f0b4eb6080dc42bb6373ab9abb0314cea41e.tar.xz | |
drm: use drm_file to tag vm-bos
Rather than using "struct file*", use "struct drm_file*" as tag VM tag for
BOs. This will pave the way for "struct drm_file*" without any "struct
file*" back-pointer.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20160901124837.680-3-dh.herrmann@gmail.com
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/drm_vma_manager.h | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/include/drm/drm_vma_manager.h b/include/drm/drm_vma_manager.h index afba6fcac853..9c03895dc479 100644 --- a/include/drm/drm_vma_manager.h +++ b/include/drm/drm_vma_manager.h @@ -24,16 +24,17 @@ */ #include <drm/drm_mm.h> -#include <linux/fs.h> #include <linux/mm.h> #include <linux/module.h> #include <linux/rbtree.h> #include <linux/spinlock.h> #include <linux/types.h> +struct drm_file; + struct drm_vma_offset_file { struct rb_node vm_rb; - struct file *vm_filp; + struct drm_file *vm_tag; unsigned long vm_count; }; @@ -60,10 +61,11 @@ int drm_vma_offset_add(struct drm_vma_offset_manager *mgr, void drm_vma_offset_remove(struct drm_vma_offset_manager *mgr, struct drm_vma_offset_node *node); -int drm_vma_node_allow(struct drm_vma_offset_node *node, struct file *filp); -void drm_vma_node_revoke(struct drm_vma_offset_node *node, struct file *filp); +int drm_vma_node_allow(struct drm_vma_offset_node *node, struct drm_file *tag); +void drm_vma_node_revoke(struct drm_vma_offset_node *node, + struct drm_file *tag); bool drm_vma_node_is_allowed(struct drm_vma_offset_node *node, - struct file *filp); + struct drm_file *tag); /** * drm_vma_offset_exact_lookup_locked() - Look up node by exact address @@ -214,9 +216,9 @@ static inline void drm_vma_node_unmap(struct drm_vma_offset_node *node, /** * drm_vma_node_verify_access() - Access verification helper for TTM * @node: Offset node - * @filp: Open-file + * @tag: Tag of file to check * - * This checks whether @filp is granted access to @node. It is the same as + * This checks whether @tag is granted access to @node. It is the same as * drm_vma_node_is_allowed() but suitable as drop-in helper for TTM * verify_access() callbacks. * @@ -224,9 +226,9 @@ static inline void drm_vma_node_unmap(struct drm_vma_offset_node *node, * 0 if access is granted, -EACCES otherwise. */ static inline int drm_vma_node_verify_access(struct drm_vma_offset_node *node, - struct file *filp) + struct drm_file *tag) { - return drm_vma_node_is_allowed(node, filp) ? 0 : -EACCES; + return drm_vma_node_is_allowed(node, tag) ? 0 : -EACCES; } #endif /* __DRM_VMA_MANAGER_H__ */ |