sys/dev/pud/pud_msgif.h

   1 /*      $NetBSD: pud_msgif.h,v 1.3 2007/11/22 11:26:27 pooka Exp $      */
   2
   3 /*
   4  * Copyright (c) 2007  Antti Kantee.  All Rights Reserved.
   5  *
   6  * Development of this software was supported by the
   7  * Research Foundation of Helsinki University of Technology
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
  19  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  21  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  24  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  */
  30
  31 #ifndef _DEV_PUD_PUDMSGIF_H_
  32 #define _DEV_PUD_PUDMSGIF_H_
  33
  34 #include <dev/putter/putter.h>
  35
  36 struct pud_req {
  37         struct putter_hdr       pdr_pth;
  38
  39         dev_t                   pdr_dev;
  40
  41         pid_t                   pdr_pid;
  42         lwpid_t                 pdr_lid;
  43
  44         int                     pdr_reqclass;
  45         int                     pdr_reqtype;
  46
  47         uint64_t                pdr_reqid;
  48         int                     pdr_rv;
  49
  50         size_t                  pdr_len;
  51         uint8_t                 pdr_data[0];
  52 };
  53
  54 #define PUD_REQ_CDEV    1
  55 #define PUD_REQ_BDEV    2
  56 #define PUD_REQ_CONF    3
  57
  58 struct pud_register {
  59         dev_t   pm_dev;
  60 };
  61
  62 #define pud_creq_open pud_req_openclose
  63 #define pud_creq_close pud_req_openclose
  64 struct pud_req_openclose {
  65         struct pud_req  pm_pdr;
  66
  67         int             pm_flags;
  68         int             pm_fmt;
  69 };
  70
  71 #define pud_creq_read pud_req_readwrite
  72 #define pud_creq_write pud_req_readwrite
  73 struct pud_req_readwrite {
  74         struct pud_req  pm_pdr;
  75
  76         off_t           pm_offset;
  77         size_t          pm_resid;
  78
  79         uint8_t         pm_data[0];
  80 };
  81
  82 struct pud_req_ioctl {
  83         struct pud_req  pm_pdr;
  84
  85         u_long          pm_iocmd;
  86         int             pm_flag;        /* XXX: I feel like a cargo cult */
  87
  88         uint8_t         pm_data[0];
  89 };
  90
  91 #define PUD_DEVNAME_MAX 31
  92 struct pud_conf_reg {
  93         struct pud_req  pm_pdr;
  94
  95         int             pm_version;
  96         dev_t           pm_regdev;
  97         int             pm_flags;
  98         char            pm_devname[PUD_DEVNAME_MAX+1];
  99 };
 100 #define PUD_CONFFLAG_BDEV       1
 101
 102 #define PUD_DEVELVERSION        0x80000000
 103 #define PUD_VERSION             1
 104
 105 enum {
 106         PUD_CDEV_OPEN,  PUD_CDEV_CLOSE, PUD_CDEV_READ,  PUD_CDEV_WRITE,
 107         PUD_CDEV_IOCTL, PUD_CDEV_POLL,  PUD_CDEV_MMAP,  PUD_CDEV_KQFILTER,
 108         PUD_CDEV_STOP,  PUD_CDEV_TTY,
 109 };
 110
 111 enum {
 112         PUD_BDEV_OPEN,  PUD_BDEV_CLOSE, PUD_BDEV_STRATREAD, PUD_BDEV_STRATWRITE,
 113         PUD_BDEV_IOCTL, PUD_BDEV_DUMP,  PUD_BDEV_PSIZE,
 114 };
 115
 116 enum {
 117         PUD_CONF_REG,   PUD_CONF_DEREG, PUD_CONF_MMAP,
 118 };
 119
 120 #endif /* _DEV_PUD_PUDMSGIF_H_ */