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d8ddf4f3 | 1 | /* |
030a8056 KB |
2 | * Copyright (c) 1990, 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
d8ddf4f3 MH |
4 | * |
5 | * This code is derived from software contributed to Berkeley by | |
6 | * Van Jacobson of Lawrence Berkeley Laboratory. | |
7 | * | |
8 | * %sccs.include.redist.c% | |
9 | * | |
030a8056 | 10 | * @(#)sdvar.h 8.1 (Berkeley) %G% |
d8ddf4f3 MH |
11 | */ |
12 | ||
13 | struct sdinfo { | |
14 | struct disklabel si_label; /* label */ | |
15 | int si_bopen; /* mask of open block devs */ | |
16 | int si_copen; /* mask of open char devs */ | |
17 | int si_open; /* composite mask of open devs */ | |
18 | }; | |
19 | ||
20 | struct sd_softc { | |
21 | struct hp_device *sc_hd; | |
22 | struct devqueue sc_dq; | |
23 | int sc_format_pid; /* process using "format" mode */ | |
24 | short sc_flags; | |
25 | short sc_type; /* drive type */ | |
26 | short sc_punit; /* physical unit (scsi lun) */ | |
27 | u_short sc_bshift; /* convert device blocks to DEV_BSIZE blks */ | |
28 | u_int sc_blks; /* number of blocks on device */ | |
29 | int sc_blksize; /* device block size in bytes */ | |
30 | u_int sc_wpms; /* average xfer rate in 16 bit wds/sec. */ | |
31 | struct sdinfo sc_info; /* disklabel and related info */ | |
32 | }; | |
33 | ||
34 | /* sc_flags values */ | |
35 | #define SDF_ALIVE 0x01 | |
36 | #define SDF_OPENING 0x02 | |
37 | #define SDF_CLOSING 0x04 | |
38 | #define SDF_WANTED 0x08 | |
39 | #define SDF_WLABEL 0x10 | |
40 | #define SDF_RMEDIA 0x20 | |
41 | #define SDF_ERROR 0x40 | |
42 | ||
43 | struct sdstats { | |
44 | long sdresets; | |
45 | long sdtransfers; | |
46 | long sdpartials; | |
47 | }; | |
48 | ||
49 | #define sdunit(x) (minor(x) >> 3) | |
50 | #define sdpart(x) (minor(x) & 0x7) | |
51 | #define sdpunit(x) ((x) & 7) | |
52 | #define sdlabdev(d) (dev_t)(((int)(d)&~7)|2) /* sd?c */ | |
53 | ||
54 | #define b_cylin b_resid | |
55 | ||
56 | #define SDRETRY 2 |