1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _UAPI__CODA_PSDEV_H 3 #define _UAPI__CODA_PSDEV_H 4 5 #include <linux/magic.h> 6 7 #define CODA_PSDEV_MAJOR 67 8 #define MAX_CODADEVS 5 /* how many do we allow */ 9 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 #endif /* _UAPI__CODA_PSDEV_H */ 29