diff options
Diffstat (limited to 'fs/coda/coda_psdev.h')
| -rw-r--r-- | fs/coda/coda_psdev.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/fs/coda/coda_psdev.h b/fs/coda/coda_psdev.h new file mode 100644 index 000000000000..012e16f741a6 --- /dev/null +++ b/fs/coda/coda_psdev.h | |||
| @@ -0,0 +1,89 @@ | |||
| 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 <linux/coda_psdev.h> | ||
| 8 | |||
| 9 | struct kstatfs; | ||
| 10 | |||
| 11 | /* messages between coda filesystem in kernel and Venus */ | ||
| 12 | struct upc_req { | ||
| 13 | struct list_head uc_chain; | ||
| 14 | caddr_t uc_data; | ||
| 15 | u_short uc_flags; | ||
| 16 | u_short uc_inSize; /* Size is at most 5000 bytes */ | ||
| 17 | u_short uc_outSize; | ||
| 18 | u_short uc_opcode; /* copied from data to save lookup */ | ||
| 19 | int uc_unique; | ||
| 20 | wait_queue_head_t uc_sleep; /* process' wait queue */ | ||
| 21 | }; | ||
| 22 | |||
| 23 | #define CODA_REQ_ASYNC 0x1 | ||
| 24 | #define CODA_REQ_READ 0x2 | ||
| 25 | #define CODA_REQ_WRITE 0x4 | ||
| 26 | #define CODA_REQ_ABORT 0x8 | ||
| 27 | |||
| 28 | /* communication pending/processing queues */ | ||
| 29 | struct venus_comm { | ||
| 30 | u_long vc_seq; | ||
| 31 | wait_queue_head_t vc_waitq; /* Venus wait queue */ | ||
| 32 | struct list_head vc_pending; | ||
| 33 | struct list_head vc_processing; | ||
| 34 | int vc_inuse; | ||
| 35 | struct super_block *vc_sb; | ||
| 36 | struct mutex vc_mutex; | ||
| 37 | }; | ||
| 38 | |||
| 39 | static inline struct venus_comm *coda_vcp(struct super_block *sb) | ||
| 40 | { | ||
| 41 | return (struct venus_comm *)((sb)->s_fs_info); | ||
| 42 | } | ||
| 43 | |||
| 44 | /* upcalls */ | ||
| 45 | int venus_rootfid(struct super_block *sb, struct CodaFid *fidp); | ||
| 46 | int venus_getattr(struct super_block *sb, struct CodaFid *fid, | ||
| 47 | struct coda_vattr *attr); | ||
| 48 | int venus_setattr(struct super_block *, struct CodaFid *, struct coda_vattr *); | ||
| 49 | int venus_lookup(struct super_block *sb, struct CodaFid *fid, | ||
| 50 | const char *name, int length, int *type, | ||
| 51 | struct CodaFid *resfid); | ||
| 52 | int venus_close(struct super_block *sb, struct CodaFid *fid, int flags, | ||
| 53 | kuid_t uid); | ||
| 54 | int venus_open(struct super_block *sb, struct CodaFid *fid, int flags, | ||
| 55 | struct file **f); | ||
| 56 | int venus_mkdir(struct super_block *sb, struct CodaFid *dirfid, | ||
| 57 | const char *name, int length, | ||
| 58 | struct CodaFid *newfid, struct coda_vattr *attrs); | ||
| 59 | int venus_create(struct super_block *sb, struct CodaFid *dirfid, | ||
| 60 | const char *name, int length, int excl, int mode, | ||
| 61 | struct CodaFid *newfid, struct coda_vattr *attrs); | ||
| 62 | int venus_rmdir(struct super_block *sb, struct CodaFid *dirfid, | ||
| 63 | const char *name, int length); | ||
| 64 | int venus_remove(struct super_block *sb, struct CodaFid *dirfid, | ||
| 65 | const char *name, int length); | ||
| 66 | int venus_readlink(struct super_block *sb, struct CodaFid *fid, | ||
| 67 | char *buffer, int *length); | ||
| 68 | int venus_rename(struct super_block *sb, struct CodaFid *new_fid, | ||
| 69 | struct CodaFid *old_fid, size_t old_length, | ||
| 70 | size_t new_length, const char *old_name, | ||
| 71 | const char *new_name); | ||
| 72 | int venus_link(struct super_block *sb, struct CodaFid *fid, | ||
| 73 | struct CodaFid *dirfid, const char *name, int len ); | ||
| 74 | int venus_symlink(struct super_block *sb, struct CodaFid *fid, | ||
| 75 | const char *name, int len, const char *symname, int symlen); | ||
| 76 | int venus_access(struct super_block *sb, struct CodaFid *fid, int mask); | ||
| 77 | int venus_pioctl(struct super_block *sb, struct CodaFid *fid, | ||
| 78 | unsigned int cmd, struct PioctlData *data); | ||
| 79 | int coda_downcall(struct venus_comm *vcp, int opcode, union outputArgs *out, | ||
| 80 | size_t nbytes); | ||
| 81 | int venus_fsync(struct super_block *sb, struct CodaFid *fid); | ||
| 82 | int venus_statfs(struct dentry *dentry, struct kstatfs *sfs); | ||
| 83 | |||
| 84 | /* | ||
| 85 | * Statistics | ||
| 86 | */ | ||
| 87 | |||
| 88 | extern struct venus_comm coda_comms[]; | ||
| 89 | #endif | ||