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/drivers/scsi/ultrastor.h

http://github.com/mirrors/linux
C++ Header | 80 lines | 43 code | 19 blank | 18 comment | 0 complexity | e91771172c8e1196fc01d27c182b5612 MD5 | raw file
 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_Host *, struct scsi_cmnd *);
19static int ultrastor_abort(struct scsi_cmnd *);
20static int ultrastor_host_reset(struct scsi_cmnd *);
21static 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