diff options
Diffstat (limited to '')
-rw-r--r-- | Documentation/ABI/testing/sysfs-bus-pci | 31 | ||||
-rw-r--r-- | Documentation/ABI/testing/sysfs-bus-pci-devices-cciss | 12 |
2 files changed, 36 insertions, 7 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-pci b/Documentation/ABI/testing/sysfs-bus-pci index f979d825d112..36bf454ba855 100644 --- a/Documentation/ABI/testing/sysfs-bus-pci +++ b/Documentation/ABI/testing/sysfs-bus-pci @@ -145,9 +145,11 @@ Date: July 2010 Contact: Narendra K <narendra_k@dell.com>, linux-bugs@dell.com Description: Reading this attribute will provide the firmware - given name(SMBIOS type 41 string) of the PCI device. - The attribute will be created only if the firmware - has given a name to the PCI device. + given name (SMBIOS type 41 string or ACPI _DSM string) of + the PCI device. The attribute will be created only + if the firmware has given a name to the PCI device. + ACPI _DSM string name will be given priority if the + system firmware provides SMBIOS type 41 string also. Users: Userspace applications interested in knowing the firmware assigned name of the PCI device. @@ -157,12 +159,27 @@ Date: July 2010 Contact: Narendra K <narendra_k@dell.com>, linux-bugs@dell.com Description: Reading this attribute will provide the firmware - given instance(SMBIOS type 41 device type instance) - of the PCI device. The attribute will be created - only if the firmware has given a device type instance - to the PCI device. + given instance (SMBIOS type 41 device type instance) of the + PCI device. The attribute will be created only if the firmware + has given an instance number to the PCI device. Users: Userspace applications interested in knowing the firmware assigned device type instance of the PCI device that can help in understanding the firmware intended order of the PCI device. + +What: /sys/bus/pci/devices/.../acpi_index +Date: July 2010 +Contact: Narendra K <narendra_k@dell.com>, linux-bugs@dell.com +Description: + Reading this attribute will provide the firmware + given instance (ACPI _DSM instance number) of the PCI device. + The attribute will be created only if the firmware has given + an instance number to the PCI device. ACPI _DSM instance number + will be given priority if the system firmware provides SMBIOS + type 41 device type instance also. +Users: + Userspace applications interested in knowing the + firmware assigned instance number of the PCI + device that can help in understanding the firmware + intended order of the PCI device. diff --git a/Documentation/ABI/testing/sysfs-bus-pci-devices-cciss b/Documentation/ABI/testing/sysfs-bus-pci-devices-cciss index 4f29e5f1ebfa..f5bb0a3bb8c0 100644 --- a/Documentation/ABI/testing/sysfs-bus-pci-devices-cciss +++ b/Documentation/ABI/testing/sysfs-bus-pci-devices-cciss @@ -59,3 +59,15 @@ Kernel Version: 2.6.31 Contact: iss_storagedev@hp.com Description: Displays the usage count (number of opens) of logical drive Y of controller X. + +Where: /sys/bus/pci/devices/<dev>/ccissX/resettable +Date: February 2011 +Kernel Version: 2.6.38 +Contact: iss_storagedev@hp.com +Description: Value of 1 indicates the controller can honor the reset_devices + kernel parameter. Value of 0 indicates reset_devices cannot be + honored. This is to allow, for example, kexec tools to be able + to warn the user if they designate an unresettable device as + a dump device, as kdump requires resetting the device in order + to work reliably. + |