| Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame^] | 1 | #ifndef _UAPI__CODA_PSDEV_H |
| 2 | #define _UAPI__CODA_PSDEV_H |
| 3 | |
| 4 | #include <linux/magic.h> |
| 5 | |
| 6 | #define CODA_PSDEV_MAJOR 67 |
| 7 | #define MAX_CODADEVS 5 /* how many do we allow */ |
| 8 | |
| 9 | |
| 10 | /* messages between coda filesystem in kernel and Venus */ |
| 11 | struct upc_req { |
| 12 | struct list_head uc_chain; |
| 13 | caddr_t uc_data; |
| 14 | u_short uc_flags; |
| 15 | u_short uc_inSize; /* Size is at most 5000 bytes */ |
| 16 | u_short uc_outSize; |
| 17 | u_short uc_opcode; /* copied from data to save lookup */ |
| 18 | int uc_unique; |
| 19 | wait_queue_head_t uc_sleep; /* process' wait queue */ |
| 20 | }; |
| 21 | |
| 22 | #define CODA_REQ_ASYNC 0x1 |
| 23 | #define CODA_REQ_READ 0x2 |
| 24 | #define CODA_REQ_WRITE 0x4 |
| 25 | #define CODA_REQ_ABORT 0x8 |
| 26 | |
| 27 | #endif /* _UAPI__CODA_PSDEV_H */ |