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Annotation of Gnu-Mach/linux/src/drivers/scsi/aha1542.h, revision 1.1

1.1     ! root        1: #ifndef _AHA1542_H
        !             2: 
        !             3: /* $Id: aha1542.h,v 1.1 1999/04/26 05:54:12 tb Exp $
        !             4:  *
        !             5:  * Header file for the adaptec 1542 driver for Linux
        !             6:  *
        !             7:  * $Log: aha1542.h,v $
        !             8:  * Revision 1.1  1999/04/26 05:54:12  tb
        !             9:  * 1998-11-30  OKUJI Yoshinori  <[email protected]>
        !            10:  *
        !            11:  *     Clean up linux emulation code to make it architecture-independent
        !            12:  *     as much as possible.
        !            13:  *
        !            14:  *     * linux: Renamed from linuxdev.
        !            15:  *     * Makefile.in (objfiles): Add linux.o instead of linuxdev.o.
        !            16:  *     (MAKE): New variable. Used for the linux.o target.
        !            17:  *     * configure.in: Add AC_CHECK_TOOL(MAKE, make).
        !            18:  *     * i386/i386/spl.h: Include <i386/ipl.h>, for compatibility with
        !            19:  *     OSF Mach 3.0. Suggested by Elgin Lee <[email protected]>.
        !            20:  *     * linux/src: Renamed from linux/linux.
        !            21:  *     * linux/dev: Renamed from linux/mach.
        !            22:  *     * linux/Drivers.in (AC_INIT): Use dev/include/linux/autoconf.h,
        !            23:  *     instead of mach/include/linux/autoconf.h.
        !            24:  *     * Makefile.in (all): Target ../linux.o instead of ../linuxdev.o.
        !            25:  *     * linux/dev/drivers/block/genhd.c: Include <machine/spl.h> instead
        !            26:  *     of <i386/ipl.h>.
        !            27:  *     * linux/dev/drivers/net/auto_irq.c: Remove unneeded header files,
        !            28:  *     <i386/ipl.h> and <i386/pic.h>.
        !            29:  *     * linux/dev/init/main.c: Many i386-dependent codes moved to ...
        !            30:  *     * linux/dev/arch/i386/irq.c: ... here.
        !            31:  *     * linux/dev/arch/i386/setup.c: New file.
        !            32:  *     * linux/dev/arch/i386/linux_emul.h: Likewise.
        !            33:  *     * linux/dev/arch/i386/glue/timer.c: Merged into sched.c.
        !            34:  *     * linux/dev/arch/i386/glue/sched.c: Include <machine/spl.h> instead
        !            35:  *     of <i386/ipl.h>, and moved to ...
        !            36:  *     * linux/dev/kernel/sched.c: ... here.
        !            37:  *     * linux/dev/arch/i386/glue/block.c: Include <machine/spl.h> and
        !            38:  *     <linux_emul.h>, instead of i386-dependent header files, and
        !            39:  *     moved to ...
        !            40:  *     * linux/dev/glue/blocl.c: ... here.
        !            41:  *     * linux/dev/arch/i386/glue/net.c: Include <machine/spl.h> and
        !            42:  *     <linux_emul.h>, instead of i386-dependent header files, and
        !            43:  *     moved to ...
        !            44:  *     * linux/dev/glue/net.c: ... here.
        !            45:  *     * linux/dev/arch/i386/glue/misc.c: Remove `x86' and moved to ...
        !            46:  *     * linux/dev/glue/misc.c: ... here.
        !            47:  *     * linux/dev/arch/i386/glue/kmem.c: Moved to ...
        !            48:  *     * linux/dev/glue/kmem.c: ... here.
        !            49:  *
        !            50:  * Revision 1.1  1992/07/24  06:27:38  root
        !            51:  * Initial revision
        !            52:  *
        !            53:  * Revision 1.2  1992/07/04  18:41:49  root
        !            54:  * Replaced distribution with current drivers
        !            55:  *
        !            56:  * Revision 1.3  1992/06/23  23:58:20  root
        !            57:  * Fixes.
        !            58:  *
        !            59:  * Revision 1.2  1992/05/26  22:13:23  root
        !            60:  * Changed bug that prevented DMA above first 2 mbytes.
        !            61:  *
        !            62:  * Revision 1.1  1992/05/22  21:00:29  root
        !            63:  * Initial revision
        !            64:  *
        !            65:  * Revision 1.1  1992/04/24  18:01:50  root
        !            66:  * Initial revision
        !            67:  *
        !            68:  * Revision 1.1  1992/04/02  03:23:13  drew
        !            69:  * Initial revision
        !            70:  *
        !            71:  * Revision 1.3  1992/01/27  14:46:29  tthorn
        !            72:  * *** empty log message ***
        !            73:  *
        !            74:  */
        !            75: 
        !            76: #include <linux/types.h>
        !            77: #include <linux/kdev_t.h>
        !            78: 
        !            79: /* I/O Port interface 4.2 */
        !            80: /* READ */
        !            81: #define STATUS(base) base
        !            82: #define STST   0x80            /* Self Test in Progress */
        !            83: #define DIAGF  0x40            /* Internal Diagnostic Failure */
        !            84: #define INIT   0x20            /* Mailbox Initialization Required */
        !            85: #define IDLE   0x10            /* SCSI Host Adapter Idle */
        !            86: #define CDF    0x08            /* Command/Data Out Port Full */
        !            87: #define DF     0x04            /* Data In Port Full */
        !            88: #define INVDCMD        0x01            /* Invalid H A Command */
        !            89: #define STATMASK 0xfd          /* 0x02 is reserved */
        !            90: 
        !            91: #define INTRFLAGS(base) (STATUS(base)+2)
        !            92: #define ANYINTR        0x80            /* Any Interrupt */
        !            93: #define SCRD   0x08            /* SCSI Reset Detected */
        !            94: #define HACC   0x04            /* HA Command Complete */
        !            95: #define MBOA   0x02            /* MBO Empty */
        !            96: #define MBIF   0x01            /* MBI Full */
        !            97: #define INTRMASK 0x8f
        !            98: 
        !            99: /* WRITE */
        !           100: #define CONTROL(base) STATUS(base)
        !           101: #define HRST   0x80            /* Hard Reset */
        !           102: #define SRST   0x40            /* Soft Reset */
        !           103: #define IRST   0x20            /* Interrupt Reset */
        !           104: #define SCRST  0x10            /* SCSI Bus Reset */
        !           105: 
        !           106: /* READ/WRITE */
        !           107: #define DATA(base) (STATUS(base)+1)
        !           108: #define CMD_NOP                0x00    /* No Operation */
        !           109: #define CMD_MBINIT     0x01    /* Mailbox Initialization */
        !           110: #define CMD_START_SCSI 0x02    /* Start SCSI Command */
        !           111: #define CMD_INQUIRY    0x04    /* Adapter Inquiry */
        !           112: #define CMD_EMBOI      0x05    /* Enable MailBox Out Interrupt */
        !           113: #define CMD_BUSON_TIME 0x07    /* Set Bus-On Time */
        !           114: #define CMD_BUSOFF_TIME        0x08    /* Set Bus-Off Time */
        !           115: #define CMD_DMASPEED   0x09    /* Set AT Bus Transfer Speed */
        !           116: #define CMD_RETDEVS    0x0a    /* Return Installed Devices */
        !           117: #define CMD_RETCONF    0x0b    /* Return Configuration Data */
        !           118: #define CMD_RETSETUP   0x0d    /* Return Setup Data */
        !           119: #define CMD_ECHO       0x1f    /* ECHO Command Data */
        !           120: 
        !           121: #define CMD_EXTBIOS     0x28    /* Return extend bios information only 1542C */
        !           122: #define CMD_MBENABLE    0x29    /* Set Mailbox Interface enable only 1542C */
        !           123: 
        !           124: /* Mailbox Definition 5.2.1 and 5.2.2 */
        !           125: struct mailbox {
        !           126:   unchar status;               /* Command/Status */
        !           127:   unchar ccbptr[3];            /* msb, .., lsb */
        !           128: };
        !           129: 
        !           130: /* This is used with scatter-gather */
        !           131: struct chain {
        !           132:   unchar datalen[3];           /* Size of this part of chain */
        !           133:   unchar dataptr[3];           /* Location of data */
        !           134: };
        !           135: 
        !           136: /* These belong in scsi.h also */
        !           137: #define any2scsi(up, p)                                \
        !           138: (up)[0] = (((unsigned long)(p)) >> 16)  ;      \
        !           139: (up)[1] = (((unsigned long)(p)) >> 8);         \
        !           140: (up)[2] = ((unsigned long)(p));
        !           141: 
        !           142: #define scsi2int(up) ( (((long)*(up)) << 16) + (((long)(up)[1]) << 8) + ((long)(up)[2]) )
        !           143: 
        !           144: #define xany2scsi(up, p)       \
        !           145: (up)[0] = ((long)(p)) >> 24;   \
        !           146: (up)[1] = ((long)(p)) >> 16;   \
        !           147: (up)[2] = ((long)(p)) >> 8;    \
        !           148: (up)[3] = ((long)(p));
        !           149: 
        !           150: #define xscsi2int(up) ( (((long)(up)[0]) << 24) + (((long)(up)[1]) << 16) \
        !           151:                      + (((long)(up)[2]) <<  8) +  ((long)(up)[3]) )
        !           152: 
        !           153: #define MAX_CDB 12
        !           154: #define MAX_SENSE 14
        !           155: 
        !           156: struct ccb {                   /* Command Control Block 5.3 */
        !           157:   unchar op;                   /* Command Control Block Operation Code */
        !           158:   unchar idlun;                        /* op=0,2:Target Id, op=1:Initiator Id */
        !           159:                                /* Outbound data transfer, length is checked*/
        !           160:                                /* Inbound data transfer, length is checked */
        !           161:                                /* Logical Unit Number */
        !           162:   unchar cdblen;               /* SCSI Command Length */
        !           163:   unchar rsalen;               /* Request Sense Allocation Length/Disable */
        !           164:   unchar datalen[3];           /* Data Length (msb, .., lsb) */
        !           165:   unchar dataptr[3];           /* Data Pointer */
        !           166:   unchar linkptr[3];           /* Link Pointer */
        !           167:   unchar commlinkid;           /* Command Linking Identifier */
        !           168:   unchar hastat;               /* Host Adapter Status (HASTAT) */
        !           169:   unchar tarstat;              /* Target Device Status */
        !           170:   unchar reserved[2];
        !           171:   unchar cdb[MAX_CDB+MAX_SENSE];/* SCSI Command Descriptor Block */
        !           172:                                /* REQUEST SENSE */
        !           173: };
        !           174: 
        !           175: int aha1542_detect(Scsi_Host_Template *);
        !           176: int aha1542_command(Scsi_Cmnd *);
        !           177: int aha1542_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
        !           178: int aha1542_abort(Scsi_Cmnd *);
        !           179: int aha1542_reset(Scsi_Cmnd *, unsigned int);
        !           180: int aha1542_biosparam(Disk *, kdev_t, int*);
        !           181: 
        !           182: #define AHA1542_MAILBOXES 8
        !           183: #define AHA1542_SCATTER 16
        !           184: #define AHA1542_CMDLUN 1
        !           185: 
        !           186: #ifndef NULL
        !           187:        #define NULL 0
        !           188: #endif
        !           189: 
        !           190: extern struct proc_dir_entry proc_scsi_aha1542;
        !           191: 
        !           192: #define AHA1542 {  NULL, NULL,                         \
        !           193:                      &proc_scsi_aha1542,/* proc_dir_entry */ \
        !           194:                     NULL,                              \
        !           195:                     "Adaptec 1542",                    \
        !           196:                     aha1542_detect,                    \
        !           197:                     NULL,                              \
        !           198:                     NULL,                              \
        !           199:                     aha1542_command,                   \
        !           200:                     aha1542_queuecommand,              \
        !           201:                     aha1542_abort,                     \
        !           202:                     aha1542_reset,                     \
        !           203:                     NULL,                              \
        !           204:                     aha1542_biosparam,                 \
        !           205:                     AHA1542_MAILBOXES,                 \
        !           206:                     7,                                 \
        !           207:                     AHA1542_SCATTER,                   \
        !           208:                     AHA1542_CMDLUN,                    \
        !           209:                     0,                                 \
        !           210:                     1,                                 \
        !           211:                     ENABLE_CLUSTERING}
        !           212: 
        !           213: #endif

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