The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/pci/tweio.h

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    1 /*      $NetBSD: tweio.h,v 1.4 2003/09/25 18:05:40 thorpej 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_ */

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