1/* 2 * ultrastor.c (C) 1991 David B. Gentzel 3 * Low-level scsi driver for UltraStor 14F 4 * by David B. Gentzel, Whitfield Software Services, Carnegie, PA 5 * (gentzel@nova.enet.dec.com) 6 * scatter/gather added by Scott Taylor (n217cg@tamuts.tamu.edu) 7 * 24F support by John F. Carr (jfc@athena.mit.edu) 8 * John's work modified by Caleb Epstein (cae@jpmorgan.com) and 9 * Eric Youngdale (eric@tantalus.nrl.navy.mil). 10 * Thanks to UltraStor for providing the necessary documentation 11 */ 12 13#ifndef _ULTRASTOR_H 14#define _ULTRASTOR_H 15 16static int ultrastor_detect(struct scsi_host_template *); 17static const char *ultrastor_info(struct Scsi_Host *shpnt); 18static int ultrastor_queuecommand(struct scsi_cmnd *, 19 void (*done)(struct scsi_cmnd *)); 20static int ultrastor_abort(struct scsi_cmnd *); 21static int ultrastor_host_reset(struct scsi_cmnd *); 22static int ultrastor_biosparam(struct scsi_device *, struct block_device *, 23 sector_t, int *); 24 25 26#define ULTRASTOR_14F_MAX_SG 16 27#define ULTRASTOR_24F_MAX_SG 33 28 29#define ULTRASTOR_MAX_CMDS_PER_LUN 5 30#define ULTRASTOR_MAX_CMDS 16 31 32#define ULTRASTOR_24F_PORT 0xC80 33 34 35#ifdef ULTRASTOR_PRIVATE 36 37#define UD_ABORT 0x0001 38#define UD_COMMAND 0x0002 39#define UD_DETECT 0x0004 40#define UD_INTERRUPT 0x0008 41#define UD_RESET 0x0010 42#define UD_MULTI_CMD 0x0020 43#define UD_CSIR 0x0040 44#define UD_ERROR 0x0080 45 46/* #define PORT_OVERRIDE 0x330 */ 47 48/* Values for the PRODUCT_ID ports for the 14F */ 49#define US14F_PRODUCT_ID_0 0x56 50#define US14F_PRODUCT_ID_1 0x40 /* NOTE: Only upper nibble is used */ 51 52#define US24F_PRODUCT_ID_0 0x56 53#define US24F_PRODUCT_ID_1 0x63 54#define US24F_PRODUCT_ID_2 0x02 55 56/* Subversion values */ 57#define U14F 0 58#define U34F 1 59 60/* MSCP field values */ 61 62/* Opcode */ 63#define OP_HOST_ADAPTER 0x1 64#define OP_SCSI 0x2 65#define OP_RESET 0x4 66 67/* Date Transfer Direction */ 68#define DTD_SCSI 0x0 69#define DTD_IN 0x1 70#define DTD_OUT 0x2 71#define DTD_NONE 0x3 72 73/* Host Adapter command subcodes */ 74#define HA_CMD_INQUIRY 0x1 75#define HA_CMD_SELF_DIAG 0x2 76#define HA_CMD_READ_BUFF 0x3 77#define HA_CMD_WRITE_BUFF 0x4 78 79#endif 80 81#endif 82