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