Date: Tue, 17 May 2011 09:51:02 +0000 (UTC) From: Ulrich Spoerlein <uqs@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r222012 - head/share/man/man4 Message-ID: <201105170951.p4H9p24a022421@svn.freebsd.org>
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Author: uqs Date: Tue May 17 09:51:02 2011 New Revision: 222012 URL: http://svn.freebsd.org/changeset/base/222012 Log: More thorough mdoc and language fixes. Submitted by: ru Modified: head/share/man/man4/geom_map.4 Modified: head/share/man/man4/geom_map.4 ============================================================================== --- head/share/man/man4/geom_map.4 Tue May 17 08:13:27 2011 (r222011) +++ head/share/man/man4/geom_map.4 Tue May 17 09:51:02 2011 (r222012) @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd April 5, 2011 +.Dd May 17, 2011 .Dt GEOM_MAP 4 .Os .Sh NAME @@ -66,11 +66,15 @@ The current .Nm configuration can be accessed with the following .Xr sysctl 8 -nodes: kern.geom.conftxt, kern.geom.confxml, and kern.geom.confdot -or by using "geom map list". +nodes: +.Va kern.geom.conftxt , kern.geom.confxml , +and +.Va kern.geom.confdot +or by using +.Dq Li "geom map list" . .Bd -literal -offset indent -# sysctl kern.geom.conftxt -kern.geom.conftxt: 0 MD md0 10485760 512 u 0 s 512 f 0 fs 0 l 10485760 t malloc +# sysctl -n kern.geom.conftxt +0 MD md0 10485760 512 u 0 s 512 f 0 fs 0 l 10485760 t malloc 0 DISK cfid0 8388608 4 hd 0 sc 0 1 MAP map/config 131072 4 i 5 o 8257536 entry 0 dsize 131072 1 MAP map/rootfs 6881280 4 i 4 o 1376256 entry 0 dsize 6881280 @@ -81,40 +85,48 @@ kern.geom.conftxt: 0 MD md0 10485760 512 1 MAP map/bootloader 196608 4 i 0 o 0 entry 0 dsize 196608 .Ed .Pp -Driver configuration can be done in device hints file. List of used parameters: +Driver configuration can be done in +.Xr device.hints 5 . +List of used parameters: .Bl -tag -width indent -.It Fa at +.It Va at select media to attach -.It Fa name -name of partition (will create device /dev/map/that_name) -.It Fa start +.It Va name +name of partition (will create device +.Pa /dev/map/ Ns Ar that_name ) +.It Va start offset from the beginning of the parent media to start of the mapped partition. -This field can also have special value -"search:searchstart:searchstep:searchkey", where: +This field can also have a special value +.Qq Li search: Ns Ar searchstart Ns Li : Ns Ar searchstep Ns Li : Ns Ar searchkey , +where: .Bl -tag -width indent -.It Fa searchstart +.It Ar searchstart offset from the beginning of the parent media where search will be started -.It Fa searchstep +.It Ar searchstep value of the increment used while searching for the partition boundary markers -.It Fa searchkey -key which will be used to find partition boundary markers. Wildcard "." char -can be used to match any char on that position +.It Ar searchkey +key which will be used to find partition boundary markers. +The wildcard +.Ql .\& +can be used to match any character on that position .El -.It Fa end -offset from the beginning of the parent media to end of the mapped partition. -This field can also have special value -"search:searchstart:searchstep:searchkey", look "start" for details. -.It Fa offset -offset where the data of mapped partition begins +.It Va end +offset from the beginning of the parent media to the end of the mapped partition. +This field can also have the special value +.Qq Li search: Ns Ar searchstart Ns Li : Ns Ar searchstep Ns Li : Ns Ar searchkey , +as described above. +.It Va offset +offset where the data of the mapped partition begins .El .Pp -Each record contains start address(bytes) from the media begin, size(bytes), -offset where the data of mapped partition begins, and the name of new device. +Each record contains the start address (in bytes) from the media begin, size +(in bytes), offset where the data of mapped partition begins, and the name of +new device. .Bd -literal -offset indent MAP: 150000x690000, data=0x690000 "/dev/map/rootfs" .Ed .Bd -literal -00150000 - begin address +00150000 - start address 00690000 - size 00000000 - data begin from zero offset 00690000 - data size @@ -131,8 +143,15 @@ hint.map.0.name="bootloader" hint.map.0.readonly=1 .Ed .Pp -define "/dev/map/bootloader" at disk "cfid0" starting at 0x00000000 and end -0x00030000, also marked as readonly. +This defines +.Pa /dev/map/bootloader +at disk +.Pa cfid0 +starting at +.Li 0x00000000 +and ending at +.Li 0x00030000 , +it is also marked as readonly. .Bd -literal -offset indent hint.map.1.at="cfid0" hint.map.1.start=0x00030000 @@ -150,11 +169,26 @@ hint.map.3.start=0x00040000 hint.map.3.end="search:0x00100000:0x10000:.!/bin/sh" .Ed .Pp -define "/dev/map/kernel" at disk "cfid0" starting at 0x00040000, but end -position must be searched by the key ".!/bin/sh", from offset 0x00100000 to end -of media with step 0x10000. Real marker in that case is "#!/bin/sh", but "#" -terminates the line when hints file is parsed, so we need to use wildcard "." -instead of "#". +This defines +.Pa /dev/map/kernel +at disk +.Pa cfid0 +starting at +.Li 0x00040000 , +but the end position must be searched by finding the key +.Dq Li ".!/bin/sh" , +from offset +.Li 0x00100000 +to the end of media with step +.Li 0x10000 . +The real marker in this case is +.Dq Li "#!/bin/sh" , +but +.Ql # +terminates the line when the hints file is parsed, so we need to use wildcard +.Ql .\& +instead of +.Ql # . .Bd -literal -offset indent hint.map.4.at="cfid0" hint.map.4.name="rootfs" @@ -167,11 +201,10 @@ hint.map.5.end=0x00800000 hint.map.5.name="config" .Ed .Sh SEE ALSO -.Xr GEOM 4 , +.Xr geom 4 , .Xr geom 8 , .Xr sysctl 8 .Sh AUTHORS -.An -nosplit The .Nm driver was written by
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