Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | #ifndef __CODA_PSDEV_H |
| 3 | #define __CODA_PSDEV_H |
| 4 | |
Jens Axboe | 33f60e9 | 2010-04-28 09:20:33 +0200 | [diff] [blame] | 5 | #include <linux/backing-dev.h> |
Yoshihisa Abe | da47c19 | 2010-10-25 02:03:46 -0400 | [diff] [blame] | 6 | #include <linux/mutex.h> |
David Howells | 607ca46 | 2012-10-13 10:46:48 +0100 | [diff] [blame] | 7 | #include <uapi/linux/coda_psdev.h> |
Jens Axboe | 33f60e9 | 2010-04-28 09:20:33 +0200 | [diff] [blame] | 8 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | struct kstatfs; |
| 10 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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; |
Yoshihisa Abe | da47c19 | 2010-10-25 02:03:46 -0400 | [diff] [blame] | 19 | struct mutex vc_mutex; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | }; |
| 21 | |
| 22 | |
Jan Harkes | a1b0aa8 | 2007-07-19 01:48:50 -0700 | [diff] [blame] | 23 | static inline struct venus_comm *coda_vcp(struct super_block *sb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | { |
Jan Harkes | a1b0aa8 | 2007-07-19 01:48:50 -0700 | [diff] [blame] | 25 | return (struct venus_comm *)((sb)->s_fs_info); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | } |
| 27 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | int venus_close(struct super_block *sb, struct CodaFid *fid, int flags, |
Eric W. Biederman | d83f590 | 2013-01-30 19:21:14 -0800 | [diff] [blame] | 37 | kuid_t uid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |
Yoshihisa Abe | f7cc02b8 | 2010-10-25 02:03:45 -0400 | [diff] [blame] | 63 | int coda_downcall(struct venus_comm *vcp, int opcode, union outputArgs *out); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | int venus_fsync(struct super_block *sb, struct CodaFid *fid); |
David Howells | 726c334 | 2006-06-23 02:02:58 -0700 | [diff] [blame] | 65 | int venus_statfs(struct dentry *dentry, struct kstatfs *sfs); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | |
Jaswinder Singh Rajput | 7e7f4ea | 2009-02-02 21:40:10 +0530 | [diff] [blame] | 67 | /* |
| 68 | * Statistics |
| 69 | */ |
| 70 | |
| 71 | extern struct venus_comm coda_comms[]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | #endif |