75 files changed, 3146 insertions, 1381 deletions

diff --git a/Documentation/ABI/testing/sysfs-bus-pci b/Documentation/ABI/testing/sysfs-bus-pci
index 6bf68053e4b8..25be3250f7d6 100644
--- a/Documentation/ABI/testing/sysfs-bus-pci
+++ b/Documentation/ABI/testing/sysfs-bus-pci
@@ -84,6 +84,16 @@ Description:
                 from this part of the device tree.
                 Depends on CONFIG_HOTPLUG.
 
+What:           /sys/bus/pci/devices/.../reset
+Date:           July 2009
+Contact:        Michael S. Tsirkin <mst@redhat.com>
+Description:
+                Some devices allow an individual function to be reset
+                without affecting other functions in the same device.
+                For devices that have this support, a file named reset
+                will be present in sysfs.  Writing 1 to this file
+                will perform reset.
+
 What:           /sys/bus/pci/devices/.../vpd
 Date:           February 2008
 Contact:        Ben Hutchings <bhutchings@solarflare.com>
diff --git a/Documentation/PCI/pci-error-recovery.txt b/Documentation/PCI/pci-error-recovery.txt
index 6650af432523..e83f2ea76415 100644
--- a/Documentation/PCI/pci-error-recovery.txt
+++ b/Documentation/PCI/pci-error-recovery.txt
@@ -4,15 +4,17 @@
                         February 2, 2006
 
                  Current document maintainer:
-             Linas Vepstas <linas@austin.ibm.com>
+             Linas Vepstas <linasvepstas@gmail.com>
+          updated by Richard Lary <rlary@us.ibm.com>
+       and Mike Mason <mmlnx@us.ibm.com> on 27-Jul-2009
 
 
 Many PCI bus controllers are able to detect a variety of hardware
 PCI errors on the bus, such as parity errors on the data and address
 busses, as well as SERR and PERR errors.  Some of the more advanced
 chipsets are able to deal with these errors; these include PCI-E chipsets,
-and the PCI-host bridges found on IBM Power4 and Power5-based pSeries
-boxes. A typical action taken is to disconnect the affected device,
+and the PCI-host bridges found on IBM Power4, Power5 and Power6-based
+pSeries boxes. A typical action taken is to disconnect the affected device,
 halting all I/O to it.  The goal of a disconnection is to avoid system
 corruption; for example, to halt system memory corruption due to DMA's
 to "wild" addresses. Typically, a reconnection mechanism is also
@@ -37,10 +39,11 @@ is forced by the need to handle multi-function devices, that is,
 devices that have multiple device drivers associated with them.
 In the first stage, each driver is allowed to indicate what type
 of reset it desires, the choices being a simple re-enabling of I/O
-or requesting a hard reset (a full electrical #RST of the PCI card).
-If any driver requests a full reset, that is what will be done.
+or requesting a slot reset.
 
-After a full reset and/or a re-enabling of I/O, all drivers are
+If any driver requests a slot reset, that is what will be done.
+
+After a reset and/or a re-enabling of I/O, all drivers are
 again notified, so that they may then perform any device setup/config
 that may be required.  After these have all completed, a final
 "resume normal operations" event is sent out.
@@ -101,7 +104,7 @@ if it implements any, it must implement error_detected(). If a callback
 is not implemented, the corresponding feature is considered unsupported.
 For example, if mmio_enabled() and resume() aren't there, then it
 is assumed that the driver is not doing any direct recovery and requires