133 lines
4.4 KiB
C
133 lines
4.4 KiB
C
/*
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* Written by Julian Elischer (julian@tfs.com)
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* for TRW Financial Systems for use under the MACH(2.5) operating system.
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* Hacked by Theo de Raadt <deraadt@fsa.ca>
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*
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* TRW Financial Systems, in accordance with their agreement with Carnegie
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* Mellon University, makes this software available to CMU to distribute
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* or use in any manner that they see fit as long as this message is kept with
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* the software. For this reason TFS also grants any other persons or
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* organisations permission to use or modify this software.
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*
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* TFS supplies this software to be publicly redistributed
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* on the understanding that TFS is not responsible for the correct
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* functioning of this software in any circumstances.
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*
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* $Id: scsiconf.h,v 1.1 1994/04/01 23:18:16 phil Exp $
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*/
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/*
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* these calls are called by the high-end
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* drivers to get services from whatever low-end
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* drivers they are attached to
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*/
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struct scsi_switch {
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char *name;
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int (*scsi_cmd)();
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void (*scsi_minphys)();
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int (*open_target_lu)();
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int (*close_target_lu)();
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long int (*adapter_info)(); /* see definitions below */
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u_long spare[3];
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u_char empty[8], used[8], printed[8];
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};
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#define AD_INF_MAX_CMDS 0x000000FF /* maximum number of entries
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queuable to a device by
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the adapter */
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/* 24 bits of other adapter charcteristics go here */
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/***********************************************\
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* The scsi debug control bits *
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\***********************************************/
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extern int scsi_debug;
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#define PRINTROUTINES 0x01
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#define TRACEOPENS 0x02
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#define TRACEINTERRUPTS 0x04
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#define SHOWREQUESTS 0x08
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#define SHOWSCATGATH 0x10
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#define SHOWINQUIRY 0x20
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#define SHOWCOMMANDS 0x40
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/********************************/
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/* return values for scsi_cmd() */
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/********************************/
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#define SUCCESSFULLY_QUEUED 0
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#define TRY_AGAIN_LATER 1
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#define COMPLETE 2
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#define HAD_ERROR 3
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struct scsi_xfer
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{
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struct scsi_xfer *next; /* when free */
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int flags;
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u_char adapter;
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u_char targ;
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u_char lu;
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u_char retries; /* the number of times to retry */
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long int timeout; /* in miliseconds */
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struct scsi_generic *cmd;
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int cmdlen;
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u_char *data; /* either the dma address OR a uio address */
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int datalen; /* data len (blank if uio) */
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int resid;
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int (*when_done)();
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int done_arg;
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int done_arg2;
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int error;
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struct buf *bp;
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struct scsi_sense_data sense;
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};
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/********************************/
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/* Flag values */
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/********************************/
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#define SCSI_NOSLEEP 0x01 /* Not a user... don't sleep */
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#define SCSI_NOMASK 0x02 /* dont allow interrupts.. booting */
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#define SCSI_NOSTART 0x04 /* left over from ancient history */
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#define ITSDONE 0x10 /* the transfer is as done as it gets */
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#define INUSE 0x20 /* The scsi_xfer block is in use */
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#define SCSI_SILENT 0x40 /* Don't report errors to console */
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#define SCSI_ERR_OK 0x80 /* An error on this operation is OK. */
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#define SCSI_RESET 0x100 /* Reset the device in question */
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#define SCSI_DATA_UIO 0x200 /* The data address refers to a UIO */
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#define SCSI_DATA_IN 0x400 /* expect data to come INTO memory */
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#define SCSI_DATA_OUT 0x800 /* expect data to flow OUT of memory */
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#define SCSI_TARGET 0x1000 /* This defines a TARGET mode op. */
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/********************************/
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/* Error values */
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/********************************/
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#define XS_NOERROR 0x0 /* there is no error, (sense is invalid) */
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#define XS_SENSE 0x1 /* Check the returned sense for the error */
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#define XS_DRIVER_STUFFUP 0x2 /* Driver failed to perform operation */
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#define XS_TIMEOUT 0x03 /* The device timed out.. turned off? */
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#define XS_SWTIMEOUT 0x04 /* The Timeout reported was caught by SW */
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#define XS_BUSY 0x08 /* The device busy, try again later? */
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/*
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* The structure of known drivers for autoconfiguration
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*/
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#define SC_TSD 0
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#define SC_TST 1
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#define SC_TCD 2
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#define SC_SHOWME 0x01
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#define SC_ONE_LU 0x00
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#define SC_MORE_LUS 0x02
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struct scsidevs {
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int type, dtype, removable;
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char *manufacturer, *model, *version;
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int (*attach_rtn)();
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char *devname, flags;
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};
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int scsi_inquire(int, int, int, struct scsi_switch *, u_char *, int);
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int scsi_ready(int, int, int, struct scsi_switch *, int);
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int scsi_attach(int, int, struct scsi_switch *, int *, int *, int);
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void scsi_warn(int, int, struct scsi_switch *);
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struct scsidevs *scsi_probe(int, struct scsi_switch *, int, int, int);
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struct scsidevs *selectdev(int, int, int, struct scsi_switch *,
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int, int, int, char *, char *, char *, int);
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u_long _3btol(u_char *);
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void lto3b(u_long, u_char *);
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