| /* |
| * 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(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); |
| static int ultrastor_abort(Scsi_Cmnd *); |
| static int ultrastor_host_reset(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 |