include/uapi/linux/coda_psdev.h

   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 */