blob: a692905f95f76c3d3935ddfbd9b6f38daa60c788 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
Christoph Hellwigd0be4a7d2005-10-31 18:31:40 +010016static int ultrastor_detect(struct scsi_host_template *);
Henrik Kretzschmarb4620232006-09-06 10:49:48 +020017static 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 *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070024
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