diff options
| author | Narendra_K@Dell.com <Narendra_K@Dell.com> | 2011-03-02 20:04:17 +0300 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2011-03-04 21:41:56 +0300 |
| commit | 6058989bad05b82e78baacce69ec14f27a11b5fd (patch) | |
| tree | 26353578e7e9a95d2ea101cd9a8e656d85ddd829 /mm/pagewalk.c | |
| parent | cdb9755849fbaf2bb9c0a009ba5baa817a0f152d (diff) | |
| download | linux-6058989bad05b82e78baacce69ec14f27a11b5fd.tar.xz | |
PCI: Export ACPI _DSM provided firmware instance number and string name to sysfs
This patch exports ACPI _DSM (Device Specific Method) provided firmware
instance number and string name of PCI devices as defined by 'PCI
Firmware Specification Revision 3.1' section 4.6.7.( DSM for Naming a
PCI or PCI Express Device Under Operating Systems) to sysfs.
New files created are:
/sys/bus/pci/devices/.../label which contains the firmware name for
the device in question, and
/sys/bus/pci/devices/.../acpi_index which contains the firmware device type
instance for the given device.
cat /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/acpi_index
1
cat /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/label
Embedded Broadcom 5709C NIC 1
cat /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.1/acpi_index
2
cat /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.1/label
Embedded Broadcom 5709C NIC 2
The ACPI _DSM provided firmware 'instance number' and 'string name' will
be given priority if the firmware also provides 'SMBIOS type 41 device
type instance and string'.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Jordan Hargrave <jordan_hargrave@dell.com>
Signed-off-by: Narendra K <narendra_k@dell.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'mm/pagewalk.c')
0 files changed, 0 insertions, 0 deletions