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_cmnd *,
19 void (*done)(struct scsi_cmnd *));
20 static int ultrastor_abort(struct scsi_cmnd *);
21 static int ultrastor_host_reset(struct scsi_cmnd *);
22 static int ultrastor_biosparam(struct scsi_device *, struct block_device *,
23 sector_t, int *);
24
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
82
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