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