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/aic/aicvar.h

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    1 /*-
    2  * Copyright (c) 1999 Luoqi Chen.
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD$
   27  */
   28 
   29 struct aic_transinfo {
   30         u_int8_t period;
   31         u_int8_t offset;
   32 };
   33 
   34 struct aic_tinfo {
   35         u_int16_t lubusy;
   36         u_int8_t flags;
   37         u_int8_t scsirate;
   38         struct aic_transinfo current;
   39         struct aic_transinfo goal;
   40         struct aic_transinfo user;
   41 };
   42 
   43 #define TINFO_DISC_ENB          0x01
   44 #define TINFO_TAG_ENB           0x02
   45 #define TINFO_SDTR_NEGO         0x04
   46 #define TINFO_SDTR_SENT         0x08
   47 
   48 struct aic_scb {
   49         union ccb       *ccb;
   50         u_int8_t        flags;
   51         u_int8_t        tag;
   52         u_int8_t        target;
   53         u_int8_t        lun;
   54         u_int8_t        status;
   55         u_int8_t        cmd_len;
   56         u_int8_t        *cmd_ptr;
   57         u_int32_t       data_len;
   58         u_int8_t        *data_ptr;
   59 };
   60 
   61 #define ccb_scb_ptr     spriv_ptr0
   62 #define ccb_aic_ptr     spriv_ptr1
   63 
   64 #define SCB_ACTIVE              0x01
   65 #define SCB_DISCONNECTED        0x02
   66 #define SCB_DEVICE_RESET        0x04
   67 #define SCB_SENSE               0x08
   68 
   69 struct aic_softc {
   70         int                     unit;
   71         bus_space_tag_t         tag;
   72         bus_space_handle_t      bsh;
   73         bus_dma_tag_t           dmat;
   74 
   75         struct cam_sim          *sim;
   76         struct cam_path         *path;
   77         TAILQ_HEAD(,ccb_hdr)    pending_ccbs, nexus_ccbs;
   78         struct aic_scb          *nexus;
   79 
   80         u_int32_t               flags;
   81         u_int8_t                initiator;
   82         u_int8_t                state;
   83         u_int8_t                target;
   84         u_int8_t                lun;
   85         u_int8_t                prev_phase;
   86 
   87         u_int8_t                msg_outq;
   88         u_int8_t                msg_sent;
   89         int                     msg_len;
   90         char                    msg_buf[8];
   91 
   92         struct aic_tinfo        tinfo[8];
   93         struct aic_scb          scbs[256];
   94 };
   95 
   96 #define AIC_DISC_ENABLE         0x01
   97 #define AIC_DMA_ENABLE          0x02
   98 #define AIC_PARITY_ENABLE       0x04
   99 #define AIC_DWIO_ENABLE         0x08
  100 #define AIC_RESOURCE_SHORTAGE   0x10
  101 #define AIC_DROP_MSGIN          0x20
  102 #define AIC_BUSFREE_OK          0x40
  103 
  104 #define AIC_IDLE                0x00
  105 #define AIC_SELECTING           0x01
  106 #define AIC_RESELECTED          0x02
  107 #define AIC_RECONNECTING        0x03
  108 #define AIC_HASNEXUS            0x04
  109 
  110 #define AIC_MSG_IDENTIFY        0x01
  111 #define AIC_MSG_TAG_Q           0x02
  112 #define AIC_MSG_SDTR            0x04
  113 #define AIC_MSG_WDTR            0x08
  114 #define AIC_MSG_MSGBUF          0x80
  115 
  116 #define AIC_SYNC_PERIOD         (200 / 4)
  117 #define AIC_SYNC_OFFSET         8
  118 
  119 #define aic_inb(aic, port) \
  120         bus_space_read_1((aic)->tag, (aic)->bsh, (port))
  121 
  122 #define aic_outb(aic, port, value) \
  123         bus_space_write_1((aic)->tag, (aic)->bsh, (port), (value))
  124 
  125 #define aic_insb(aic, port, addr, count) \
  126         bus_space_read_multi_1((aic)->tag, (aic)->bsh, (port), (addr), (count))
  127 
  128 #define aic_outsb(aic, port, addr, count) \
  129         bus_space_write_multi_1((aic)->tag, (aic)->bsh, (port), (addr), (count))
  130 
  131 #define aic_insw(aic, port, addr, count) \
  132         bus_space_read_multi_2((aic)->tag, (aic)->bsh, (port), \
  133                 (u_int16_t *)(addr), (count))
  134 
  135 #define aic_outsw(aic, port, addr, count) \
  136         bus_space_write_multi_2((aic)->tag, (aic)->bsh, (port), \
  137                 (u_int16_t *)(addr), (count))
  138 
  139 #define aic_insl(aic, port, addr, count) \
  140         bus_space_read_multi_4((aic)->tag, (aic)->bsh, (port), \
  141                 (u_int32_t *)(addr), (count))
  142 
  143 #define aic_outsl(aic, port, addr, count) \
  144         bus_space_write_multi_4((aic)->tag, (aic)->bsh, (port), \
  145                 (u_int32_t *)(addr), (count))
  146 
  147 extern int aic_probe __P((struct aic_softc *));
  148 extern int aic_attach __P((struct aic_softc *));
  149 extern int aic_detach __P((struct aic_softc *));
  150 extern void aic_intr __P((void *));

Cache object: 88a846d36c8f9752d9b3066df482e177


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