projects / unix-history / blame
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| 2f130fc3 MH |
1 | /* |
| 2 | * Copyright (c) 1988 University of Utah. | |
| 030a8056 KB |
3 | * Copyright (c) 1982, 1990, 1993 |
| 4 | * The Regents of the University of California. All rights reserved. | |
| 2f130fc3 MH |
5 | * |
| 6 | * This code is derived from software contributed to Berkeley by | |
| 7 | * the Systems Programming Group of the University of Utah Computer | |
| 8 | * Science Department. | |
| 9 | * | |
| 10 | * %sccs.include.redist.c% | |
| 11 | * | |
| 12 | * from: Utah $Hdr: rdvar.h 1.1 92/12/21$ | |
| 13 | * | |
| 030a8056 | 14 | * @(#)rdvar.h 8.1 (Berkeley) %G% |
| 2f130fc3 MH |
15 | */ |
| 16 | ||
| 17 | struct rdidentinfo { | |
| 18 | short ri_hwid; /* 2 byte HW id */ | |
| 19 | short ri_maxunum; /* maximum allowed unit number */ | |
| 20 | char *ri_desc; /* drive type description */ | |
| 21 | int ri_nblocks; /* DEV_BSIZE blocks on disk */ | |
| 22 | }; | |
| 23 | ||
| 24 | struct rdinfo { | |
| 25 | struct disklabel ri_label; /* label */ | |
| 26 | int ri_bopen; /* mask of open block devs */ | |
| 27 | int ri_copen; /* mask of open char devs */ | |
| 28 | int ri_open; /* composite mask of open devs */ | |
| 29 | }; | |
| 30 | ||
| 31 | struct rd_softc { | |
| 32 | struct hp_device *sc_hd; | |
| 33 | int sc_flags; | |
| 34 | short sc_type; | |
| 35 | short sc_punit; | |
| 36 | char *sc_addr; | |
| 37 | int sc_resid; | |
| 38 | u_int sc_wpms; | |
| 39 | struct rdinfo sc_info; | |
| 40 | struct devqueue sc_dq; | |
| 41 | struct rd_iocmd sc_ioc; | |
| 42 | struct rd_rscmd sc_rsc; | |
| 43 | struct rd_stat sc_stat; | |
| 44 | struct rd_ssmcmd sc_ssmc; | |
| 45 | struct rd_srcmd sc_src; | |
| 46 | struct rd_clearcmd sc_clear; | |
| 47 | }; | |
| 48 | ||
| 49 | /* sc_flags values */ | |
| 50 | #define RDF_ALIVE 0x01 | |
| 51 | #define RDF_SEEK 0x02 | |
| 52 | #define RDF_SWAIT 0x04 | |
| 53 | #define RDF_OPENING 0x08 | |
| 54 | #define RDF_CLOSING 0x10 | |
| 55 | #define RDF_WANTED 0x20 | |
| 56 | #define RDF_WLABEL 0x40 | |
| 57 | ||
| 58 | struct rdstats { | |
| 59 | long rdretries; | |
| 60 | long rdresets; | |
| 61 | long rdtimeouts; | |
| 62 | long rdpolltries; | |
| 63 | long rdpollwaits; | |
| 64 | }; | |
| 65 | ||
| 66 | #define rdunit(x) (minor(x) >> 3) | |
| 67 | #define rdpart(x) (minor(x) & 0x7) | |
| 68 | #define rdpunit(x) ((x) & 7) | |
| 69 | #define rdlabdev(d) (dev_t)(((int)(d)&~7)|2) /* rd?c */ | |
| 70 | ||
| 71 | #define b_cylin b_resid | |
| 72 | ||
| 73 | #define RDRETRY 5 | |
| 74 | #define RDWAITC 1 /* min time for timeout in seconds */ |