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 enum { AIC6260, AIC6360, AIC6370, GM82C700 };
   70 
   71 struct aic_softc {
   72         device_t                dev;
   73         int                     unit;
   74         bus_space_tag_t         tag;
   75         bus_space_handle_t      bsh;
   76         bus_dma_tag_t           dmat;
   77 
   78         struct cam_sim          *sim;
   79         struct cam_path         *path;
   80         TAILQ_HEAD(,ccb_hdr)    pending_ccbs, nexus_ccbs;
   81         struct aic_scb          *nexus;
   82 
   83         u_int32_t               flags;
   84         u_int8_t                initiator;
   85         u_int8_t                state;
   86         u_int8_t                target;
   87         u_int8_t                lun;
   88         u_int8_t                prev_phase;
   89 
   90         u_int8_t                msg_outq;
   91         u_int8_t                msg_sent;
   92         int                     msg_len;
   93         char                    msg_buf[8];
   94 
   95         struct aic_tinfo        tinfo[8];
   96         struct aic_scb          scbs[256];
   97 
   98         int                     min_period;
   99         int                     max_period;
  100         int                     chip_type;
  101 };
  102 
  103 #define AIC_DISC_ENABLE         0x01
  104 #define AIC_DMA_ENABLE          0x02
  105 #define AIC_PARITY_ENABLE       0x04
  106 #define AIC_DWIO_ENABLE         0x08
  107 #define AIC_RESOURCE_SHORTAGE   0x10
  108 #define AIC_DROP_MSGIN          0x20
  109 #define AIC_BUSFREE_OK          0x40
  110 #define AIC_FAST_ENABLE         0x80
  111 
  112 #define AIC_IDLE                0x00
  113 #define AIC_SELECTING           0x01
  114 #define AIC_RESELECTED          0x02
  115 #define AIC_RECONNECTING        0x03
  116 #define AIC_HASNEXUS            0x04
  117 
  118 #define AIC_MSG_IDENTIFY        0x01
  119 #define AIC_MSG_TAG_Q           0x02
  120 #define AIC_MSG_SDTR            0x04
  121 #define AIC_MSG_WDTR            0x08
  122 #define AIC_MSG_MSGBUF          0x80
  123 
  124 #define AIC_SYNC_PERIOD         (200 / 4)
  125 #define AIC_FAST_SYNC_PERIOD    (100 / 4)
  126 #define AIC_MIN_SYNC_PERIOD     112
  127 #define AIC_SYNC_OFFSET         8
  128 
  129 #define aic_inb(aic, port) \
  130         bus_space_read_1((aic)->tag, (aic)->bsh, (port))
  131 
  132 #define aic_outb(aic, port, value) \
  133         bus_space_write_1((aic)->tag, (aic)->bsh, (port), (value))
  134 
  135 #define aic_insb(aic, port, addr, count) \
  136         bus_space_read_multi_1((aic)->tag, (aic)->bsh, (port), (addr), (count))
  137 
  138 #define aic_outsb(aic, port, addr, count) \
  139         bus_space_write_multi_1((aic)->tag, (aic)->bsh, (port), (addr), (count))
  140 
  141 #define aic_insw(aic, port, addr, count) \
  142         bus_space_read_multi_2((aic)->tag, (aic)->bsh, (port), \
  143                 (u_int16_t *)(addr), (count))
  144 
  145 #define aic_outsw(aic, port, addr, count) \
  146         bus_space_write_multi_2((aic)->tag, (aic)->bsh, (port), \
  147                 (u_int16_t *)(addr), (count))
  148 
  149 #define aic_insl(aic, port, addr, count) \
  150         bus_space_read_multi_4((aic)->tag, (aic)->bsh, (port), \
  151                 (u_int32_t *)(addr), (count))
  152 
  153 #define aic_outsl(aic, port, addr, count) \
  154         bus_space_write_multi_4((aic)->tag, (aic)->bsh, (port), \
  155                 (u_int32_t *)(addr), (count))
  156 
  157 extern int aic_probe(struct aic_softc *);
  158 extern int aic_attach(struct aic_softc *);
  159 extern int aic_detach(struct aic_softc *);
  160 extern void aic_intr(void *);

Cache object: 7ba332f6920cd6f86f623928c2e51a44


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