include/linux/coda_psdev.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __CODA_PSDEV_H
   3 #define __CODA_PSDEV_H
   4
   5 #include <linux/backing-dev.h>
   6 #include <linux/mutex.h>
   7 #include <uapi/linux/coda_psdev.h>
   8
   9 struct kstatfs;
  10
  11 /* communication pending/processing queues */
  12 struct venus_comm {
  13         u_long              vc_seq;
  14         wait_queue_head_t   vc_waitq; /* Venus wait queue */
  15         struct list_head    vc_pending;
  16         struct list_head    vc_processing;
  17         int                 vc_inuse;
  18         struct super_block *vc_sb;
  19         struct mutex        vc_mutex;
  20 };
  21
  22
  23 static inline struct venus_comm *coda_vcp(struct super_block *sb)
  24 {
  25         return (struct venus_comm *)((sb)->s_fs_info);
  26 }
  27
  28 /* upcalls */
  29 int venus_rootfid(struct super_block *sb, struct CodaFid *fidp);
  30 int venus_getattr(struct super_block *sb, struct CodaFid *fid,
  31                   struct coda_vattr *attr);
  32 int venus_setattr(struct super_block *, struct CodaFid *, struct coda_vattr *);
  33 int venus_lookup(struct super_block *sb, struct CodaFid *fid,
  34                  const char *name, int length, int *type,
  35                  struct CodaFid *resfid);
  36 int venus_close(struct super_block *sb, struct CodaFid *fid, int flags,
  37                 kuid_t uid);
  38 int venus_open(struct super_block *sb, struct CodaFid *fid, int flags,
  39                struct file **f);
  40 int venus_mkdir(struct super_block *sb, struct CodaFid *dirfid,
  41                 const char *name, int length,
  42                 struct CodaFid *newfid, struct coda_vattr *attrs);
  43 int venus_create(struct super_block *sb, struct CodaFid *dirfid,
  44                  const char *name, int length, int excl, int mode,
  45                  struct CodaFid *newfid, struct coda_vattr *attrs) ;
  46 int venus_rmdir(struct super_block *sb, struct CodaFid *dirfid,
  47                 const char *name, int length);
  48 int venus_remove(struct super_block *sb, struct CodaFid *dirfid,
  49                  const char *name, int length);
  50 int venus_readlink(struct super_block *sb, struct CodaFid *fid,
  51                    char *buffer, int *length);
  52 int venus_rename(struct super_block *, struct CodaFid *new_fid,
  53                  struct CodaFid *old_fid, size_t old_length,
  54                  size_t new_length, const char *old_name,
  55                  const char *new_name);
  56 int venus_link(struct super_block *sb, struct CodaFid *fid,
  57                   struct CodaFid *dirfid, const char *name, int len );
  58 int venus_symlink(struct super_block *sb, struct CodaFid *fid,
  59                   const char *name, int len, const char *symname, int symlen);
  60 int venus_access(struct super_block *sb, struct CodaFid *fid, int mask);
  61 int venus_pioctl(struct super_block *sb, struct CodaFid *fid,
  62                  unsigned int cmd, struct PioctlData *data);
  63 int coda_downcall(struct venus_comm *vcp, int opcode, union outputArgs *out);
  64 int venus_fsync(struct super_block *sb, struct CodaFid *fid);
  65 int venus_statfs(struct dentry *dentry, struct kstatfs *sfs);
  66
  67 /*
  68  * Statistics
  69  */
  70
  71 extern struct venus_comm coda_comms[];
  72 #endif