mirror/freebsd
1
0
Fork 0
mirror of https://git.FreeBSD.org/src.git synced 2024-10-20 02:38:43 +00:00
Code Issues Releases Activity

Import RAID-5 code.

Browse Source 
Add Cybernet copyright.

OK'd-by:     Chuck Jacobus <chuck@cybernet.com>

Define VINUM_BLOCK_SD and VINUM_CHAR_SD macros to create raw subdisk
device numbers.

Add VF_HOTSPARE flag.
This commit is contained in:
Greg Lehey 1999-08-07 08:15:25 +00:00
parent bbc227eaa9
commit 5b19bbcb6f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=49489
1 changed files with 26 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
sys/dev/vinum/vinumvar.h
View File

@ -1,7 +1,11 @@
/*-
* Copyright (c) 1997, 1998
* Copyright (c) 1997, 1998, 1999
* Nan Yang Computer Services Limited. All rights reserved.
*
* Parts copyright (c) 1997, 1998 Cybernet Corporation, NetMAX project.
*
* Written by Greg Lehey
*
* This software is distributed under the so-called ``Berkeley
* License'':
*
@ -33,7 +37,7 @@
* otherwise) arising in any way out of the use of this software, even if
* advised of the possibility of such damage.
*
* $Id: vinumvar.h,v 1.20 1999/07/02 07:56:47 grog Exp $
* $Id: vinumvar.h,v 1.20 1999/07/02 05:24:52 grog Exp grog $
*/
#include <sys/time.h>
@ -106,6 +110,16 @@ enum constants {
#define VINUMBDEV(v,p,s,t) makedev (BDEV_MAJOR, VINUMMINOR (v, p, s, t))
#define VINUMCDEV(v,p,s,t) makedev (CDEV_MAJOR, VINUMMINOR (v, p, s, t))
#define VINUM_BLOCK_SD(s) makedev (BDEV_MAJOR, \
(VINUM_RAWSD_TYPE << VINUM_TYPE_SHIFT) \
| (s & 0xff) \
| ((s & ~0xff) << 8) )
#define VINUM_CHAR_SD(s) makedev (CDEV_MAJOR, \
(VINUM_RAWSD_TYPE << VINUM_TYPE_SHIFT) \
| (s & 0xff) \
| ((s & ~0xff) << 8) )
/* Create a bit mask for x bits */
#define MASK(x) ((1 << (x)) - 1)
@ -242,6 +256,7 @@ enum objflags {
VF_STOPPING = 0x40000, /* for vinum_conf: stop on last close */
VF_DAEMONOPEN = 0x80000, /* the daemon has us open (only superdev) */
VF_CREATED = 0x100000, /* for volumes: freshly created, more then new */
VF_HOTSPARE = 0x200000, /* for drives: use as hot spare */
};
/* Global configuration information for the vinum subsystem */
@ -351,7 +366,7 @@ enum drive_label_info {
/*
* A drive corresponds to a disk slice. We use a different term to show
* the difference in usage: it doesn't have to be a slice, and could
* theroretically be a complete, unpartitioned disk
* theoretically be a complete, unpartitioned disk
*/
struct drive {
@ -451,6 +466,9 @@ struct plex {
u_int64_t writes; /* number of writes on this plex */
u_int64_t bytes_read; /* number of bytes read */
u_int64_t bytes_written; /* number of bytes written */
u_int64_t recovered_reads; /* number of recovered read operations */
u_int64_t degraded_writes; /* number of degraded writes */
u_int64_t parityless_writes; /* number of parityless writes */
u_int64_t multiblock; /* requests that needed more than one block */
u_int64_t multistripe; /* requests that needed more than one stripe */
int sddowncount; /* number of subdisks down */
@ -459,6 +477,11 @@ struct plex {
/*** Volume definitions ***/
/* Address range definitions, for locking volumes */
struct rangelock {
u_int64_t first;
u_int64_t last;
};
struct volume {
enum volumestate state; /* current state */