sys/dev/pci/tweio.h

   1 /*      $NetBSD: tweio.h,v 1.5 2005/12/11 12:22:51 christos Exp $       */
   2
   3 /*-
   4  * Copyright (c) 2000 Michael Smith
   5  * Copyright (c) 2000 BSDi
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  * from FreeBSD: tweio.h,v 1.1 2000/10/25 06:59:05 msmith Exp
  30  */
  31
  32 #ifndef _DEV_PCI_TWEIO_H_
  33 #define _DEV_PCI_TWEIO_H_
  34
  35 #include <sys/ioccom.h>
  36 #include <dev/pci/twereg.h>
  37
  38 /*
  39  * User-space command
  40  *
  41  * Note that the command's scatter/gather list will be computed by the
  42  * driver, and cannot be filled in by the consumer.
  43  */
  44 struct twe_usercommand {
  45         struct twe_cmd  tu_cmd;         /* command ready for the controller */
  46         void            *tu_data;       /* pointer to data in userspace */
  47         size_t          tu_size;        /* userspace data length */
  48 };
  49
  50 #define TWEIO_COMMAND   _IOWR('T', 100, struct twe_usercommand)
  51
  52 /*
  53  * Command queue statistics
  54  */
  55 #define TWEQ_FREE       0
  56 #define TWEQ_BIO        1
  57 #define TWEQ_READY      2
  58 #define TWEQ_BUSY       3
  59 #define TWEQ_COMPLETE   4
  60 #define TWEQ_COUNT      5       /* total number of queues */
  61
  62 struct twe_qstat {
  63         u_int32_t       q_length;
  64         u_int32_t       q_max;
  65 };
  66
  67 /*
  68  * Statistics request
  69  */
  70 union twe_statrequest {
  71         u_int32_t               ts_item;
  72         struct twe_qstat        ts_qstat;
  73 };
  74
  75 #define TWEIO_STATS     _IOWR('T', 101, union twe_statrequest)
  76
  77 /*
  78  * AEN listen
  79  */
  80 #define TWEIO_AEN_POLL  _IOR('T', 102, int)
  81 #define TWEIO_AEN_WAIT  _IOR('T', 103, int)
  82
  83 /*
  84  * Controller parameter access
  85  */
  86 struct twe_paramcommand {
  87         u_int16_t       tp_table_id;
  88         u_int8_t        tp_param_id;
  89         void            *tp_data;
  90         u_int8_t        tp_size;
  91 };
  92
  93 #define TWEIO_SET_PARAM _IOW('T', 104, struct twe_paramcommand)
  94 #define TWEIO_GET_PARAM _IOW('T', 105, struct twe_paramcommand)
  95
  96 /*
  97  * Request a controller soft-reset
  98  */
  99 #define TWEIO_RESET     _IO('T', 106)
 100
 101 /*
 102  * Request a drive addition or deletion
 103  */
 104 struct twe_drivecommand {
 105         int             td_unit;
 106 };
 107 #define TWEIO_ADD_UNIT  _IOW('U', 107, struct twe_drivecommand)
 108 #define TWEIO_DEL_UNIT  _IOW('U', 108, struct twe_drivecommand)
 109
 110 #endif /* _DEV_PCI_TWEIO_H_ */