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Man Pages


Manual Reference Pages  -  LINSYSFS (5)

NAME

linsysfs - Linux system file system

CONTENTS

Synopsis
Description
Files
Examples
See Also
History
Authors

SYNOPSIS

linsys          /compat/linux/sys       linsysfs        rw 0 0

DESCRIPTION

The Linux system file system, or linsysfs, emulates a subset of the Linux sys file system and is required for the complete operation of some Linux binaries.

The linsysfs 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 scsi_host class with a device symlink to the PCI directories of the devices.

Each device node is a directory containing some files and directories:
host A place holder for storage host information.
pci_id
  A directory for the pci_id that contains either the device information or another directory structure for a PCI bridge.

Each host node of scsi_host is a directory containing some files and directories:
proc_name
  The Linux registered driver name for these devices.
device A symlink to the PCI device directory.

FILES

/compat/linux/sys The normal mount point for linsysfs.
/compat/linux/sys/class/scsi_host The storage host node.
/compat/linux/sys/devices/pci0000:00
  The PCI device hierarchy node.

EXAMPLES

The most common usage follows:

    mount -t linsysfs linsys /compat/linux/sys

where /compat/linux/sys is a mount point.

SEE ALSO

nmount(2), unmount(2), linprocfs(5), pseudofs(9)

HISTORY

The linsysfs driver first appeared in
.Fx 6.2 .

AUTHORS


.An -nosplit The linsysfs driver was derived from linprocfs by
.An Doug Ambrisko . This manual page was edited by
.An Doug Ambrisko , based on the linprocfs(5) manual page by
.An Garrett Wollman .
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