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