FreeBSD/Linux Kernel Cross Reference
sys/dev/aic/aicvar.h

     /*-
      * Copyright (c) 1999 Luoqi Chen.
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD$
     */
    
    struct aic_transinfo {
            u_int8_t period;
            u_int8_t offset;
    };
    
    struct aic_tinfo {
            u_int16_t lubusy;
            u_int8_t flags;
            u_int8_t scsirate;
            struct aic_transinfo current;
            struct aic_transinfo goal;
            struct aic_transinfo user;
    };
    
    #define TINFO_DISC_ENB          0x01
    #define TINFO_TAG_ENB           0x02
    #define TINFO_SDTR_NEGO         0x04
    #define TINFO_SDTR_SENT         0x08
    
    struct aic_scb {
            union ccb       *ccb;
            u_int8_t        flags;
            u_int8_t        tag;
            u_int8_t        target;
            u_int8_t        lun;
            u_int8_t        status;
            u_int8_t        cmd_len;
            u_int8_t        *cmd_ptr;
            u_int32_t       data_len;
            u_int8_t        *data_ptr;
    };
    
    #define ccb_scb_ptr     spriv_ptr0
    #define ccb_aic_ptr     spriv_ptr1
    
    #define SCB_ACTIVE              0x01
    #define SCB_DISCONNECTED        0x02
    #define SCB_DEVICE_RESET        0x04
    #define SCB_SENSE               0x08
    
    enum { AIC6260, AIC6360, AIC6370, GM82C700 };
    
    struct aic_softc {
            int                     unit;
            bus_space_tag_t         tag;
            bus_space_handle_t      bsh;
            bus_dma_tag_t           dmat;
    
            struct cam_sim          *sim;
            struct cam_path         *path;
            TAILQ_HEAD(,ccb_hdr)    pending_ccbs, nexus_ccbs;
            struct aic_scb          *nexus;
    
            u_int32_t               flags;
            u_int8_t                initiator;
            u_int8_t                state;
            u_int8_t                target;
            u_int8_t                lun;
            u_int8_t                prev_phase;
    
            u_int8_t                msg_outq;
            u_int8_t                msg_sent;
            int                     msg_len;
            char                    msg_buf[8];
    
            struct aic_tinfo        tinfo[8];
            struct aic_scb          scbs[256];
    
            int                     min_period;
            int                     max_period;
            int                     chip_type;
   };
   
   #define AIC_DISC_ENABLE         0x01
   #define AIC_DMA_ENABLE          0x02
   #define AIC_PARITY_ENABLE       0x04
   #define AIC_DWIO_ENABLE         0x08
   #define AIC_RESOURCE_SHORTAGE   0x10
   #define AIC_DROP_MSGIN          0x20
   #define AIC_BUSFREE_OK          0x40
   #define AIC_FAST_ENABLE         0x80
   
   #define AIC_IDLE                0x00
   #define AIC_SELECTING           0x01
   #define AIC_RESELECTED          0x02
   #define AIC_RECONNECTING        0x03
   #define AIC_HASNEXUS            0x04
   
   #define AIC_MSG_IDENTIFY        0x01
   #define AIC_MSG_TAG_Q           0x02
   #define AIC_MSG_SDTR            0x04
   #define AIC_MSG_WDTR            0x08
   #define AIC_MSG_MSGBUF          0x80
   
   #define AIC_SYNC_PERIOD         (200 / 4)
   #define AIC_FAST_SYNC_PERIOD    (100 / 4)
   #define AIC_MIN_SYNC_PERIOD     112
   #define AIC_SYNC_OFFSET         8
   
   #define aic_inb(aic, port) \
           bus_space_read_1((aic)->tag, (aic)->bsh, (port))
   
   #define aic_outb(aic, port, value) \
           bus_space_write_1((aic)->tag, (aic)->bsh, (port), (value))
   
   #define aic_insb(aic, port, addr, count) \
           bus_space_read_multi_1((aic)->tag, (aic)->bsh, (port), (addr), (count))
   
   #define aic_outsb(aic, port, addr, count) \
           bus_space_write_multi_1((aic)->tag, (aic)->bsh, (port), (addr), (count))
   
   #define aic_insw(aic, port, addr, count) \
           bus_space_read_multi_2((aic)->tag, (aic)->bsh, (port), \
                   (u_int16_t *)(addr), (count))
   
   #define aic_outsw(aic, port, addr, count) \
           bus_space_write_multi_2((aic)->tag, (aic)->bsh, (port), \
                   (u_int16_t *)(addr), (count))
   
   #define aic_insl(aic, port, addr, count) \
           bus_space_read_multi_4((aic)->tag, (aic)->bsh, (port), \
                   (u_int32_t *)(addr), (count))
   
   #define aic_outsl(aic, port, addr, count) \
           bus_space_write_multi_4((aic)->tag, (aic)->bsh, (port), \
                   (u_int32_t *)(addr), (count))
   
   extern int aic_probe(struct aic_softc *);
   extern int aic_attach(struct aic_softc *);
   extern int aic_detach(struct aic_softc *);
   extern void aic_intr(void *);

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