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bio(4): document which commands are supported by which drivers;

This commit is contained in:
cnst 2019-05-08 06:57:18 +00:00
parent 0f59c4847a
commit f01a8d9eee
1 changed files with 27 additions and 2 deletions
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29
share/man/man4/bio.4
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@ -1,4 +1,4 @@
.\" $NetBSD: bio.4,v 1.14 2019/05/08 02:49:10 cnst Exp $
.\" $NetBSD: bio.4,v 1.15 2019/05/08 06:57:18 cnst Exp $
.\" $OpenBSD: bio.4,v 1.19 2006/09/20 22:22:37 jmc Exp $
.\"
.\" Copyright (c) 2002 Niklas Hallqvist
@ -28,7 +28,7 @@
.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd May 7, 2019
.Dd May 8, 2019
.Dt BIO 4
.Os
.Sh NAME
@ -99,6 +99,14 @@ but doesn't require the disks to be in volume sets, so this
applies to any physical disk connected to the controller.
.Pp
Note: this ioctl might not be supported on all hardware.
It is supported by
.Xr arcmsr 4 ,
.Xr ciss 4 ,
.Xr mpt 4 .
It is also supported by
.Xr cac 4 ,
but handled exactly the same as
.Em BIOCDISK .
.It Dv BIOCVOL
Retrieve detailed information for the specified volume.
Information returned can include status, size, RAID level, number of disks,
@ -109,6 +117,11 @@ Supported states are: disable alarm, enable alarm, silence alarm, status and
test alarm.
.Pp
Note: These options might not be supported on all hardware.
It is supported by
.Xr arcmsr 4 ,
.Xr mfi 4
and
.Xr mfii 4 .
.It Dv BIOCBLINK
Blink an LED of the specified physical disk.
Supported blink states are: blink LED, unblink LED and blink alarm LED.
@ -118,18 +131,30 @@ Note: This option is only supported if the disk is governed by
.\" or
.\" .Xr safte 4
and the hardware supports hardware blinking.
It is supported by
.Xr ciss 4 ,
.Xr mfi 4
and
.Xr mfii 4 .
.It Dv BIOCSETSTATE
Alter the state of specified physical disk.
Supported states are: create/remove hot-spare, create/remove pass through
disk, start/stop consistency check in a volume, online disk and offline disk.
.Pp
Note: These options might not be supported on all hardware.
Some of these options are supported by
.Xr arcmsr 4 ,
.Xr mfi 4
and
.Xr mfii 4 .
.It Dv BIOCVOLOPS
For operations in volume sets.
It's able to create and remove a volume
set in a supported RAID controller.
.Pp
Note: this ioctl might not be supported on all hardware.
It is supported by
.Xr arcmsr 4 .
.El
.Sh FILES
.Bl -tag -width /dev/bio -compact