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      1 /*	$NetBSD: pud_msgif.h,v 1.4 2007/11/28 16:59:02 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_ */
    121