1 .\" Written by Garrett Wollman
2 .\" This file is in the public domain.
11 .Nd Linux system file system
14 linsys /compat/linux/sys linsysfs rw 0 0
19 system file system, or
21 emulates a subset of the
23 sys file system and is required for
24 the complete operation of some
30 provides a two-level view of devices.
31 At the highest level, PCI devices themselves are named, according to
32 their bus, slot and function in the system hierarchy.
33 PCI storage devices are listed in the
35 class with a device symlink
36 to the PCI directories of the devices.
38 Each device node is a directory containing some files and directories:
39 .Bl -tag -width ".Pa status"
41 A place holder for storage host information.
45 that contains either the device information or another directory structure
49 Each host node of scsi_host is a directory containing some files and directories:
50 .Bl -tag -width ".Pa proc_name"
54 registered driver name for these devices.
56 A symlink to the PCI device directory.
59 .Bl -tag -width ".Pa /compat/linux/sys/devices/pci0000:00" -compact
60 .It Pa /compat/linux/sys
61 The normal mount point for
63 .It Pa /compat/linux/sys/class/scsi_host
64 The storage host node.
65 .It Pa /compat/linux/sys/devices/pci0000:00
66 The PCI device hierarchy node.
69 The most common usage follows:
71 .Dl "mount -t linsysfs linsys /compat/linux/sys"
84 driver first appeared in
90 driver was derived from
94 This manual page was edited by