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-.\" Written by Garrett Wollman
-.\" This file is in the public domain.
-.\"
-.Dd November 13, 2019
-.Dt LINSYSFS 5
-.Os
-.Sh NAME
-.Nm linsysfs
-.Nd Linux kernel objects file system
-.Sh SYNOPSIS
-.Bd -literal
-linsys /compat/linux/sys linsysfs rw 0 0
-.Ed
-.Sh DESCRIPTION
-The
-.Tn Linux
-system file system, or
-.Nm ,
-emulates a subset of the
-.Tn Linux
-sys file system and is required for
-the complete operation of some
-.Tn Linux
-binaries.
-.Pp
-The
-.Nm
-provides a two-level view of devices.
-At the highest level, PCI devices themselves are named, according to
-their bus, slot and function in the system hierarchy.
-PCI storage devices are listed in the
-.Pa scsi_host
-class with a device symlink
-to the PCI directories of the devices.
-.Pp
-Each device node is a directory containing some files and directories:
-.Bl -tag -width ".Pa status"
-.It Pa host
-A place holder for storage host information.
-.It Pa pci_id
-A directory for the
-.Pa pci_id
-that contains either the device information or another directory structure
-for a PCI bridge.
-.El
-.Pp
-Each host node of scsi_host is a directory containing some files and directories:
-.Bl -tag -width ".Pa proc_name"
-.It Pa proc_name
-The
-.Tn Linux
-registered driver name for these devices.
-.It Pa device
-A symlink to the PCI device directory.
-.El
-.Sh FILES
-.Bl -tag -width ".Pa /compat/linux/sys/devices/pci0000:00" -compact
-.It Pa /compat/linux/sys
-The normal mount point for
-.Nm .
-.It Pa /compat/linux/sys/class/scsi_host
-The storage host node.
-.It Pa /compat/linux/sys/devices/pci0000:00
-The PCI device hierarchy node.
-.El
-.Sh EXAMPLES
-The most common usage follows:
-.Pp
-.Dl "mount -t linsysfs linsys /compat/linux/sys"
-.Pp
-where
-.Pa /compat/linux/sys
-is a mount point.
-.Sh SEE ALSO
-.Xr nmount 2 ,
-.Xr unmount 2 ,
-.Xr linux 4 ,
-.Xr linprocfs 5 ,
-.Xr pseudofs 9
-.Sh HISTORY
-The
-.Nm
-driver first appeared in
-.Fx 6.2 .
-.Sh AUTHORS
-.An -nosplit
-The
-.Nm
-driver was derived from
-.Nm linprocfs
-by
-.An Doug Ambrisko .
-This manual page was edited by
-.An Doug Ambrisko ,
-based on the
-.Xr linprocfs 5
-manual page by
-.An Garrett Wollman .