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 16 static int ultrastor_detect(struct scsi_host_template *); 17 static const char *ultrastor_info(struct Scsi_Host *shpnt); 18 static int ultrastor_queuecommand(struct Scsi_Host *, struct scsi_cmnd *); 19 static int ultrastor_abort(struct scsi_cmnd *); 20 static int ultrastor_host_reset(struct scsi_cmnd *); 21 static int ultrastor_biosparam(struct scsi_device *, struct block_device *, 22 sector_t, int *); 23 24 25 #define ULTRASTOR_14F_MAX_SG 16 26 #define ULTRASTOR_24F_MAX_SG 33 27 28 #define ULTRASTOR_MAX_CMDS_PER_LUN 5 29 #define ULTRASTOR_MAX_CMDS 16 30 31 #define ULTRASTOR_24F_PORT 0xC80 32 33 34 #ifdef ULTRASTOR_PRIVATE 35 36 #define UD_ABORT 0x0001 37 #define UD_COMMAND 0x0002 38 #define UD_DETECT 0x0004 39 #define UD_INTERRUPT 0x0008 40 #define UD_RESET 0x0010 41 #define UD_MULTI_CMD 0x0020 42 #define UD_CSIR 0x0040 43 #define UD_ERROR 0x0080 44 45 /* #define PORT_OVERRIDE 0x330 */ 46 47 /* Values for the PRODUCT_ID ports for the 14F */ 48 #define US14F_PRODUCT_ID_0 0x56 49 #define US14F_PRODUCT_ID_1 0x40 /* NOTE: Only upper nibble is used */ 50 51 #define US24F_PRODUCT_ID_0 0x56 52 #define US24F_PRODUCT_ID_1 0x63 53 #define US24F_PRODUCT_ID_2 0x02 54 55 /* Subversion values */ 56 #define U14F 0 57 #define U34F 1 58 59 /* MSCP field values */ 60 61 /* Opcode */ 62 #define OP_HOST_ADAPTER 0x1 63 #define OP_SCSI 0x2 64 #define OP_RESET 0x4 65 66 /* Date Transfer Direction */ 67 #define DTD_SCSI 0x0 68 #define DTD_IN 0x1 69 #define DTD_OUT 0x2 70 #define DTD_NONE 0x3 71 72 /* Host Adapter command subcodes */ 73 #define HA_CMD_INQUIRY 0x1 74 #define HA_CMD_SELF_DIAG 0x2 75 #define HA_CMD_READ_BUFF 0x3 76 #define HA_CMD_WRITE_BUFF 0x4 77 78 #endif 79 80 #endif 81