projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 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 |