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bhyve.8: Clean up block storage device backends description

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MFC after:	2 weeks
This commit is contained in:
Mateusz Piotrowski 2021-04-18 23:39:53 +02:00
parent 7fb2272981
commit 5232a35f1e
1 changed files with 14 additions and 11 deletions
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25
usr.sbin/bhyve/bhyve.8
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@ -405,29 +405,33 @@ must comply with
.Xr netgraph 4
addressing rules.
.Pp
Block storage devices:
.Bl -tag -width 10n
.It Pa /filename Ns Oo , Ns Ar block-device-options Oc
.It Pa /dev/xxx Ns Oo , Ns Ar block-device-options Oc
Block storage device backends:
.Sm off
.Bl -bullet
.It
.Ar /filename Op Cm \&, Ar block-device-options
.It
.Ar /dev/xxx Op Cm \&, Ar block-device-options
.El
.Sm on
.Pp
The
.Ar block-device-options
are:
.Bl -tag -width 8n
.It Li nocache
.Bl -tag -width 10n
.It Cm nocache
Open the file with
.Dv O_DIRECT .
.It Li direct
.It Cm direct
Open the file using
.Dv O_SYNC .
.It Li ro
.It Cm ro
Force the file to be opened read-only.
.It Li sectorsize= Ns Ar logical Ns Oo / Ns Ar physical Oc
.It Cm sectorsize= Ns Ar logical Ns Oo Cm \&/ Ns Ar physical Oc
Specify the logical and physical sector sizes of the emulated disk.
The physical sector size is optional and is equal to the logical sector size
if not explicitly specified.
.It Li nodelete
.It Cm nodelete
Disable emulation of guest trim requests via
.Dv DIOCGDELETE
requests.
@ -647,7 +651,6 @@ Playback device, typically
Recording device, typically
.Ar /dev/dsp0 .
.El
.El
.It Fl U Ar uuid
Set the universally unique identifier
.Pq UUID