blob: aa6623efd2dd085e50b899285e1bc2c9a732a03e [file] [log] [blame]
Christopher Ferris25981132017-11-14 16:53:49 -08001/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
Ben Cheng30692c62013-10-15 18:26:18 -07002#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 */
12struct 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 */