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/*
* buslogic.h Copyright (C) 1993, 1994 David B. Gentzel
* See buslogic.c for more information.
*/
#ifndef _BUSLOGIC_H
int buslogic_detect(Scsi_Host_Template *);
int buslogic_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
int buslogic_abort(Scsi_Cmnd *);
const char *buslogic_info(struct Scsi_Host *);
int buslogic_reset(Scsi_Cmnd *);
int buslogic_biosparam(Disk *, int, int *);
#define BUSLOGIC { NULL, NULL, \
"BusLogic", \
buslogic_detect, \
0, /* no release func */ \
buslogic_info, \
0, /* no command func */ \
buslogic_queuecommand, \
buslogic_abort, \
buslogic_reset, \
0, /* slave_attach NYI */ \
buslogic_biosparam, \
0, /* set by driver */ \
0, /* set by driver */ \
0, /* set by driver */ \
0, /* set by driver */ \
0, \
0, /* set by driver */ \
ENABLE_CLUSTERING \
}
#ifdef BUSLOGIC_PRIVATE_H
/* ??? These don't really belong here */
#ifndef TRUE
# define TRUE 1
#endif
#ifndef FALSE
# define FALSE 0
#endif
#define ARRAY_SIZE(arr) (sizeof (arr) / sizeof (arr)[0])
#define PACKED __attribute__((packed))
#define BD_ABORT 0x0001
#define BD_COMMAND 0x0002
#define BD_DETECT 0x0004
#define BD_ERRORS 0x0008
#define BD_INTERRUPT 0x0010
#define BD_IO 0x0020
#define BD_RESET 0x0040
#define BD_UNDOCUMENTED 0x0080
/* I/O Port interface */
/* READ */
#define STATUS(base) (base)
#define DACT 0x80 /* Diagnostic Active */
#define DFAIL 0x40 /* Diagnostic Failure */
#define INREQ 0x20 /* Initialization Required */
#define HARDY 0x10 /* Host Adapter Ready */
#define CPRBSY 0x08 /* Command/Parameter Register Busy */
#define DIRRDY 0x04 /* Data In Register Ready */
/* 0x02 is reserved */
#define CMDINV 0x01 /* Command Invalid */
#define DATA_IN(base) (STATUS(base) + 1)
#define INTERRUPT(base) (STATUS(base) + 2)
#define INTV 0x80 /* Interrupt Valid */
/* 0x70 are reserved */
#define RSTS 0x08 /* SCSI Reset State */
#define CMDC 0x04 /* Command Complete */
#define MBOR 0x02 /* Mailbox Out Ready */
#define IMBL 0x01 /* Incoming Mailbox Loaded */
#define INTRMASK 0x8F
/* This undocumented port returns a bitmask indicating geometry translation. */
#define GEOMETRY(base) (STATUS(base) + 3)
#define GEO_GT_1GB 0x80 /* > 1GB under DOS geometry mapping */
/* 0x70 are unknown */
#define GEO_XLATION_S_D1 0x0C /* Disk 1 geometry ("S" models only) */
#define GEO_XLATION_S_D0 0x03 /* Disk 0 geometry ("S" models only) */
/* WRITE */
#define CONTROL(base) STATUS(base)
#define RHARD 0x80 /* Hard Reset */
#define RSOFT 0x40 /* Soft Reset */
#define RINT 0x20 /* Interrupt Reset */
#define RSBUS 0x10 /* SCSI Bus Reset */
/* 0x0F are reserved */
#define COMMAND_PARAMETER(base) (STATUS(base) + 1)
#define CMD_TSTCMDCINT 0x00 /* Test CMDC Interrupt */
#define CMD_INITMB 0x01 /* Initialize Mailbox */
#define CMD_START_SCSI 0x02 /* Start Mailbox */
#define CMD_START_BIOS 0x03 /* Start BIOS */
#define CMD_INQUIRY 0x04 /* Inquire Board ID */
#define CMD_ENBOMBRINT 0x05 /* Enable OMBR Interrupt */
#define CMD_SETSELTIMOUT 0x06 /* Set SCSI Selection Time-Out */
#define CMD_BUSON_TIME 0x07 /* Set Bus-On Time */
#define CMD_BUSOFF_TIME 0x08 /* Set Bus-Off Time */
#define CMD_BUSXFR_RATE 0x09 /* Set Bus Transfer Rate */
#define CMD_INQ_DEVICES 0x0A /* Inquire Installed Devices */
#define CMD_RETCONF 0x0B /* Return Configuration */
#define CMD_TARGET_MODE 0x0C /* Set Target Mode */
#define CMD_INQ_SETUP_INFO 0x0D /* Inquire Set-up Information */
#define CMD_WRITE_LCL_RAM 0x1A /* Write Adapter Local RAM */
#define CMD_READ_LCL_RAM 0x1B /* Read Adapter Local RAM */
#define CMD_WRITE_BM_FIFO 0x1C /* Write Bus Master Chip FIFO */
#define CMD_READ_BM_FIFO 0x1D /* Read Bus Master Chip FIFO */
#define CMD_ECHO 0x1F /* Echo Data Byte */
#define CMD_HA_DIAG 0x20 /* Host Adapter Diagnostic */
#define CMD_HA_OPTIONS 0x21 /* Host Adapter Options */
#define CMD_INITEXTMB 0x81 /* Initialize Extended Mailbox */
#define CMD_VER_NO_LAST 0x84 /* Version Number Last Byte (undocumented) */
#define CMD_VER_NO_LETTER 0x85 /* Version Number One Letter (undocumented) */
#define CMD_RET_MODEL_NO 0x8B /* Return Model Number (undocumented) */
#define CMD_INQEXTSETUP 0x8D /* Inquire Extended Set-up Information */
#define CMD_ROUND_ROBIN 0x8F /* Enable strict vs. half-assed round-robin
mailbox filling (undocumented) */
#define CMD_READ_FW_LCL_RAM 0x91/* Read Firmware Local RAM (undocumented) */
#define CMD_WRITE_INQ_BUF 0x9A /* Write Inquiry Data Buffer
(Target Mode Only) */
#define CMD_READ_INQ_BUF 0x9B /* Read Inquiry Data Buffer
(Target Mode Only) */
#define MBX_NOT_IN_USE 0x00
#define MBX_ACTION_START 0x01
#define MBX_ACTION_ABORT 0x02
#define MBX_COMPLETION_OK 0x01
#define MBX_COMPLETION_ABORTED 0x02
#define MBX_COMPLETION_NOT_FOUND 0x03
#define MBX_COMPLETION_ERROR 0x04
/* Mailbox Definition */
struct mailbox {
void *ccbptr; /* lsb, ..., msb */
unsigned char btstat;
unsigned char sdstat;
unsigned char reserved;
unsigned char status; /* Command/Status */
};
/* This is used with scatter-gather */
struct chain {
unsigned long datalen; /* Size of this part of chain */
void *dataptr; /* Location of data */
};
#define MAX_CDB 12
struct ccb { /* Command Control Block */
unsigned char op; /* Command Control Block Operation Code */
unsigned char dir;
unsigned char cdblen; /* SCSI Command Length */
unsigned char rsalen; /* Request Sense Allocation Length/Disable */
unsigned long datalen; /* Data Length (msb, ..., lsb) */
void *dataptr; /* Data Pointer */
unsigned char reserved[2];
unsigned char hastat; /* Host Adapter Status (HASTAT) */
unsigned char tarstat; /* Target Device Status */
unsigned char id;
unsigned char lun;
unsigned char cdb[MAX_CDB];
unsigned char ccbcontrol;
unsigned char commlinkid; /* Command Linking Identifier */
void *linkptr; /* Link Pointer */
void *senseptr;
};
#define CCB_OP_INIT 0x00 /* Initiator CCB */
#define CCB_OP_TARG 0x01 /* Target CCB */
#define CCB_OP_INIT_SG 0x02 /* Initiator CCB with scatter-gather */
#define CCB_OP_INIT_R 0x03 /* Initiator CCB with residual data length
returned */
#define CCB_OP_INIT_SG_R 0x04 /* Initiator CCB with scatter-gather and
residual data length returned */
#define CCB_OP_BUS_RESET 0x81 /* SCSI bus device reset */
#endif
#endif
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