FROMLIST: drm/bridge: analogix_dp: Don't read EDID if panel present

[firefly-linux-kernel-4.4.55.git] / fs / sdcardfs / sdcardfs.h

diff --git a/fs/sdcardfs/sdcardfs.h b/fs/sdcardfs/sdcardfs.h
index b03130329014c7bc75b4a04e5f240d8eafa905dc..f3cced3131087388c5d2be6bab0f3b03b52f977c 100644 (file)
--- a/fs/sdcardfs/sdcardfs.h
+++ b/fs/sdcardfs/sdcardfs.h
@@ -65,6 +65,9 @@
 #define AID_SDCARD_PICS   1033 /* external storage photos access */
 #define AID_SDCARD_AV     1034 /* external storage audio/video access */
 #define AID_SDCARD_ALL    1035 /* access all users external storage */
+#define AID_MEDIA_OBB     1059  /* obb files */
+
+#define AID_SDCARD_IMAGE  1057
 
 #define AID_PACKAGE_INFO  1027
 
@@ -91,12 +94,12 @@
  * These two macro should be used in pair, and OVERRIDE_CRED() should be
  * placed at the beginning of a function, right after variable declaration.
  */
-#define OVERRIDE_CRED(sdcardfs_sbi, saved_cred)                \
-       saved_cred = override_fsids(sdcardfs_sbi);      \
+#define OVERRIDE_CRED(sdcardfs_sbi, saved_cred, info)          \
+       saved_cred = override_fsids(sdcardfs_sbi, info);        \
        if (!saved_cred) { return -ENOMEM; }
 
-#define OVERRIDE_CRED_PTR(sdcardfs_sbi, saved_cred)    \
-       saved_cred = override_fsids(sdcardfs_sbi);      \
+#define OVERRIDE_CRED_PTR(sdcardfs_sbi, saved_cred, info)      \
+       saved_cred = override_fsids(sdcardfs_sbi, info);        \
        if (!saved_cred) { return ERR_PTR(-ENOMEM); }
 
 #define REVERT_CRED(saved_cred)        revert_fsids(saved_cred)
@@ -127,13 +130,18 @@ typedef enum {
     PERM_ANDROID_OBB,
     /* This node is "/Android/media" */
     PERM_ANDROID_MEDIA,
+    /* This node is "/Android/[data|media|obb]/[package]" */
+    PERM_ANDROID_PACKAGE,
+    /* This node is "/Android/[data|media|obb]/[package]/cache" */
+    PERM_ANDROID_PACKAGE_CACHE,
 } perm_t;
 
 struct sdcardfs_sb_info;
 struct sdcardfs_mount_options;
+struct sdcardfs_inode_info;
 
 /* Do not directly use this function. Use OVERRIDE_CRED() instead. */
-const struct cred * override_fsids(struct sdcardfs_sb_info* sbi);
+const struct cred * override_fsids(struct sdcardfs_sb_info* sbi, struct sdcardfs_inode_info *info);
 /* Do not directly use this function, use REVERT_CRED() instead. */
 void revert_fsids(const struct cred * old_cred);
 
@@ -175,6 +183,8 @@ struct sdcardfs_inode_info {
        userid_t userid;
        uid_t d_uid;
        bool under_android;
+       bool under_cache;
+       bool under_obb;
        /* top folder for ownership */
        struct inode *top;
 
@@ -335,6 +345,11 @@ static inline void sdcardfs_put_reset_##pname(const struct dentry *dent) \
 SDCARDFS_DENT_FUNC(lower_path)
 SDCARDFS_DENT_FUNC(orig_path)
 
+static inline bool sbinfo_has_sdcard_magic(struct sdcardfs_sb_info *sbinfo)
+{
+  return sbinfo && sbinfo->sb && sbinfo->sb->s_magic == SDCARDFS_SUPER_MAGIC;
+}
+
 /* grab a refererence if we aren't linking to ourself */
 static inline void set_top(struct sdcardfs_inode_info *info, struct inode *top)
 {
@@ -442,20 +457,33 @@ extern struct list_head sdcardfs_super_list;
 
 /* for packagelist.c */
 extern appid_t get_appid(const char *app_name);
-extern int check_caller_access_to_name(struct inode *parent_node, const char* name);
+extern appid_t get_ext_gid(const char *app_name);
+extern appid_t is_excluded(const char *app_name, userid_t userid);
+extern int check_caller_access_to_name(struct inode *parent_node, const struct qstr* name);
 extern int open_flags_to_access_mode(int open_flags);
 extern int packagelist_init(void);
 extern void packagelist_exit(void);
 
 /* for derived_perm.c */
+#define BY_NAME                (1 << 0)
+#define BY_USERID      (1 << 1)
+struct limit_search {
+       unsigned int flags;
+       const char *name;
+       size_t length;
+       userid_t userid;
+};
+
 extern void setup_derived_state(struct inode *inode, perm_t perm, userid_t userid,
                        uid_t uid, bool under_android, struct inode *top);
 extern void get_derived_permission(struct dentry *parent, struct dentry *dentry);
-extern void get_derived_permission_new(struct dentry *parent, struct dentry *dentry, struct dentry *newdentry);
+extern void get_derived_permission_new(struct dentry *parent, struct dentry *dentry, const struct qstr *name);
+extern void drop_recursive(struct dentry *parent);
 extern void fixup_top_recursive(struct dentry *parent);
-extern void fixup_perms_recursive(struct dentry *dentry, const char *name, size_t len);
+extern void fixup_perms_recursive(struct dentry *dentry, struct limit_search *limit);
 
 extern void update_derived_permission_lock(struct dentry *dentry);
+void fixup_lower_ownership(struct dentry* dentry, const char *name);
 extern int need_graft_path(struct dentry *dentry);
 extern int is_base_obbpath(struct dentry *dentry);
 extern int is_obbpath_invalid(struct dentry *dentry);
@@ -577,4 +605,17 @@ static inline void sdcardfs_copy_and_fix_attrs(struct inode *dest, const struct
        dest->i_flags = src->i_flags;
        set_nlink(dest, src->i_nlink);
 }
+
+static inline bool str_case_eq(const char *s1, const char *s2)
+{
+       return !strcasecmp(s1, s2);
+}
+
+static inline bool qstr_case_eq(const struct qstr *q1, const struct qstr *q2)
+{
+       return q1->len == q2->len && str_case_eq(q1->name, q2->name);
+}
+
+#define QSTR_LITERAL(string) QSTR_INIT(string, sizeof(string)-1)
+
 #endif /* not _SDCARDFS_H_ */