81 lines
2 KiB
C
81 lines
2 KiB
C
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/*
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* ultrastor.c (C) 1991 David B. Gentzel
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* Low-level scsi driver for UltraStor 14F
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* by David B. Gentzel, Whitfield Software Services, Carnegie, PA
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* (gentzel@nova.enet.dec.com)
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* scatter/gather added by Scott Taylor (n217cg@tamuts.tamu.edu)
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* 24F support by John F. Carr (jfc@athena.mit.edu)
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* John's work modified by Caleb Epstein (cae@jpmorgan.com) and
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* Eric Youngdale (eric@tantalus.nrl.navy.mil).
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* Thanks to UltraStor for providing the necessary documentation
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*/
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#ifndef _ULTRASTOR_H
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#define _ULTRASTOR_H
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static int ultrastor_detect(struct scsi_host_template *);
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static const char *ultrastor_info(struct Scsi_Host *shpnt);
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static int ultrastor_queuecommand(struct Scsi_Host *, struct scsi_cmnd *);
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static int ultrastor_abort(struct scsi_cmnd *);
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static int ultrastor_host_reset(struct scsi_cmnd *);
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static int ultrastor_biosparam(struct scsi_device *, struct block_device *,
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sector_t, int *);
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#define ULTRASTOR_14F_MAX_SG 16
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#define ULTRASTOR_24F_MAX_SG 33
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#define ULTRASTOR_MAX_CMDS_PER_LUN 5
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#define ULTRASTOR_MAX_CMDS 16
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#define ULTRASTOR_24F_PORT 0xC80
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#ifdef ULTRASTOR_PRIVATE
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#define UD_ABORT 0x0001
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#define UD_COMMAND 0x0002
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#define UD_DETECT 0x0004
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#define UD_INTERRUPT 0x0008
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#define UD_RESET 0x0010
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#define UD_MULTI_CMD 0x0020
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#define UD_CSIR 0x0040
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#define UD_ERROR 0x0080
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/* #define PORT_OVERRIDE 0x330 */
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/* Values for the PRODUCT_ID ports for the 14F */
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#define US14F_PRODUCT_ID_0 0x56
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#define US14F_PRODUCT_ID_1 0x40 /* NOTE: Only upper nibble is used */
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#define US24F_PRODUCT_ID_0 0x56
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#define US24F_PRODUCT_ID_1 0x63
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#define US24F_PRODUCT_ID_2 0x02
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/* Subversion values */
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#define U14F 0
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#define U34F 1
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/* MSCP field values */
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/* Opcode */
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#define OP_HOST_ADAPTER 0x1
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#define OP_SCSI 0x2
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#define OP_RESET 0x4
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/* Date Transfer Direction */
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#define DTD_SCSI 0x0
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#define DTD_IN 0x1
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#define DTD_OUT 0x2
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#define DTD_NONE 0x3
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/* Host Adapter command subcodes */
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#define HA_CMD_INQUIRY 0x1
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#define HA_CMD_SELF_DIAG 0x2
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#define HA_CMD_READ_BUFF 0x3
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#define HA_CMD_WRITE_BUFF 0x4
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#endif
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#endif
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