/* * 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 int ultrastor_detect(Scsi_Host_Template *); const char *ultrastor_info(struct Scsi_Host * shpnt); int ultrastor_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); int ultrastor_abort(Scsi_Cmnd *); int ultrastor_reset(Scsi_Cmnd *); int ultrastor_biosparam(Disk *, int, 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 #define ULTRASTOR_14F { NULL, NULL, /* Ptr for modules*/ \ "UltraStor 14F/24F/34F", \ ultrastor_detect, \ NULL, /* Release */ \ ultrastor_info, \ 0, \ ultrastor_queuecommand, \ ultrastor_abort, \ ultrastor_reset, \ 0, \ ultrastor_biosparam, \ ULTRASTOR_MAX_CMDS, \ 0, \ ULTRASTOR_14F_MAX_SG, \ ULTRASTOR_MAX_CMDS_PER_LUN, \ 0, \ 1, \ ENABLE_CLUSTERING } #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