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 */ 28