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path: root/drivers/scsi/hpsa.c (follow)
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2014-09-25hpsa: add missing pci_set_master in kdump pathTomas Henzl1-1/+1
Add a call to pci_set_master(...) missing in the previous patch "hpsa: refine the pci enable/disable handling". Found thanks to Rob Elliot. Signed-off-by: Tomas Henzl <thenzl@redhat.com> Reviewed-by: Robert Elliott <elliott@hp.com> Tested-by: Robert Elliott <elliott@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-16hpsa: refine the pci enable/disable handlingTomas Henzl1-14/+28
When a second(kdump) kernel starts and the hard reset method is used the driver calls pci_disable_device without previously enabling it, so the kernel shows a warning - [ 16.876248] WARNING: at drivers/pci/pci.c:1431 pci_disable_device+0x84/0x90() [ 16.882686] Device hpsa disabling already-disabled device ... This patch fixes it, in addition to this I tried to balance also some other pairs of enable/disable device in the driver. Unfortunately I wasn't able to verify the functionality for the case of a sw reset, because of a lack of proper hw. Signed-off-by: Tomas Henzl <thenzl@redhat.com> Reviewed-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-16hpsa: Use pci_enable_msix_range() instead of pci_enable_msix()Alexander Gordeev1-15/+12
As result of deprecation of MSI-X/MSI enablement functions pci_enable_msix() and pci_enable_msi_block() all drivers using these two interfaces need to be updated to use the new pci_enable_msi_range() or pci_enable_msi_exact() and pci_enable_msix_range() or pci_enable_msix_exact() interfaces. Signed-off-by: Alexander Gordeev <agordeev@redhat.com> Acked-by: "Stephen M. Cameron" <scameron@beardog.cce.hp.com> Cc: iss_storagedev@hp.com Cc: linux-scsi@vger.kernel.org Cc: linux-pci@vger.kernel.org Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-16hpsa: Fallback to MSI rather than to INTx if MSI-X failedAlexander Gordeev1-1/+0
Currently the driver falls back to INTx mode when MSI-X initialization failed. This is a suboptimal behaviour for chips that also support MSI. This update changes that behaviour and falls back to MSI mode in case MSI-X mode initialization failed. Signed-off-by: Alexander Gordeev <agordeev@redhat.com> Acked-by: "Stephen M. Cameron" <scameron@beardog.cce.hp.com> Cc: iss_storagedev@hp.com Cc: linux-scsi@vger.kernel.org Cc: linux-pci@vger.kernel.org Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-08-08scsi: use pci_zalloc_consistentJoe Perches1-5/+3
Remove the now unnecessary memset too. Signed-off-by: Joe Perches <joe@perches.com> Cc: Adam Radford <linuxraid@lsi.com> Cc: "James E.J. Bottomley" <JBottomley@parallels.com> Cc: Jayamohan Kallickal <jayamohan.kallickal@emulex.com> Cc: Dario Ballabio <ballabio_dario@emc.com> Cc: Michael Neuffer <mike@i-Connect.Net> Cc: "Stephen M. Cameron" <scameron@beardog.cce.hp.com> Cc: Neela Syam Kolli <megaraidlinux@lsi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-07-25hpsa: fix bad -ENOMEM return value in hpsa_big_passthru_ioctlStephen M. Cameron1-1/+1
When copy_from_user fails, return -EFAULT, not -ENOMEM Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reported-by: Robert Elliott <elliott@hp.com> Reviewed-by: Joe Handzik <joseph.t.handzik@hp.com> Reviewed-by: Scott Teel <scott.teel@hp.com> Reviewed by: Mike MIller <michael.miller@canonical.com> Cc: <stable@vger.kernel.org> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-07-25hpsa: remove online devices from offline device listStephen M. Cameron1-1/+5
When devices come on line, they should be removed from the list of offline devices that are monitored. Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reviewed-by: Scott Teel <scott.teel@hp.com> Reviewed-by: Joe Handzik <joseph.t.handzik@hp.com> Reviewed by: Mike MIller <michael.miller@canonical.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-07-25hpsa: fix non-x86 buildsArnd Bergmann1-2/+2
commit 28e134464734 "[SCSI] hpsa: enable unit attention reporting" turns on unit attention notifications, but got the change wrong for all architectures other than x86, which now store an uninitialized value into the device register. Gcc helpfully warns about this: ../drivers/scsi/hpsa.c: In function 'hpsa_set_driver_support_bits': ../drivers/scsi/hpsa.c:6373:17: warning: 'driver_support' is used uninitialized in this function [-Wuninitialized] driver_support |= ENABLE_UNIT_ATTN; ^ This moves the #ifdef so only the prefetch-enable is conditional on x86, not also reading the initial register contents. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 28e134464734 "[SCSI] hpsa: enable unit attention reporting" Cc: stable@vger.kernel.org # v3.14+ Acked-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-07-25hpsa: do not unconditionally copy sense dataRobert Elliott1-8/+8
Signed-off-by: Robert Elliott <elliott@hp.com> Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reviewed-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-07-25hpsa: fix 6-byte READ/WRITE with 0 length data xferStephen M. Cameron1-1/+2
a 6-byte READ/WRITE CDB with a 0 block data transfer really means a 256 block data transfer. The RAID mapping code failed to handle this case. For 10/12/16 byte READ/WRITEs, 0 just means no data should be transferred, and should not trigger BUG_ON. Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reported-by: Robert Elliott <elliott@hp.com> Reviewed-by: Robert Elliott <elliott@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-07-25hpsa: make hpsa_init_one return -ENOMEM if allocation of h->lockup_detected failsStephen M. Cameron1-1/+3
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reviewed-by: Joe Handzik <joseph.t.handzik@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-07-17scsi: use 64-bit LUNsHannes Reinecke1-1/+1
The SCSI standard defines 64-bit values for LUNs, and large arrays employing large or hierarchical LUN numbers become more and more common. So update the linux SCSI stack to use 64-bit LUN numbers. Signed-off-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Christoph Hellwig <hch@infradead.org> Reviewed-by: Ewan Milne <emilne@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-06-02hpsa: fix handling of hpsa_volume_offline return valueStephen M. Cameron1-4/+8
Make return value an int instead of an unsigned char so that we do not lose negative error return values. Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reviewed-by: Webb Scales <webb.scales@hp.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-06-02hpsa: return -ENOMEM not -1 on kzalloc failure in hpsa_get_device_idStephen M. Cameron1-1/+1
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Mike Miller <michael.miller@canonical.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-06-02hpsa: remove messages about volume status VPD inquiry page not supportedStephen M. Cameron1-9/+3
They are annoying and do not help anyone. Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reviewed-by: Justin Lindley <justin.lindley@hp.com> Reviewed-by: Mike Miller <michael.miller@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-06-02hpsa: report check condition even if no sense data present for ioaccel2 modeStephen M. Cameron1-2/+5
It shouldn't happen that we get a check condition with no sense data, but if it does, we shouldn't just drop the check condition on the floor. Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reviewed-by: Justin Lindley <justin.lindley@hp.com> Reviewed-by: Mike Miller <michael.miller@canonical.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-06-02hpsa: remove bad unlikely annotation from device list updating codeStephen M. Cameron1-1/+1
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reviewed-by: Justin Lindley <justin.lindley@hp.com> Reviewed-by: Mike Miller <michael.miller@canonical.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-06-02hpsa: kill annoying messages about SSD Smart Path retriesStephen M. Cameron1-10/+0
There's nothing the user can or should do about these messages, the commands are retried down the normal RAID path, and the messages just flood the logs and sap performance. Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reviewed-by: Joe Handzik <joseph.t.handzik@hp.com> Reviewed-by: Mike Miller <michael.miller@canonical.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-06-02hpsa: define extended_report_lun_entry data structureStephen M. Cameron1-13/+8
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reviewed-by: Joe Handzik <joseph.t.handzik@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-06-02hpsa: Rearrange start_io to avoid one unlock/lock sequence in main io pathStephen M. Cameron1-8/+16
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reviewed-by: Joe Handzik <joseph.t.handzik@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-06-02hpsa: avoid unnecessary readl on every command submissionStephen M. Cameron1-0/+7
for controllers which support either of the ioaccel transport methods. Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reviewed-by: Mike Miller <michael.miller@canonical.com> Reviewed-by: Joe Handzik <joseph.t.handzik@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-06-02hpsa: use per-cpu variable for lockup_detectedStephen M. Cameron1-27/+53
Avoid excessive locking by using per-cpu variable for lockup_detected Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reviewed-by: Scott Teel <scott.teel@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-06-02hpsa: set irq affinity hints to route MSI-X vectors across CPUsStephen M. Cameron1-1/+16
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reviewed-by: Mike Miller <michael.miller@canonical.com> Reviewed-by: Scott Teel <scott.teel@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-06-02hpsa: allocate reply queues individuallyStephen M. Cameron1-21/+32
Now that we can allocate more than 4 reply queues (up to 64) we shouldn't try to make them share the same allocation but should allocate them separately. Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reviewed-by: Mike Miller <michael.miller@canonical.com> Reviewed-by: Scott Teel <scott.teel@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-06-02hpsa: choose number of reply queues more intelligently.Stephen M. Cameron1-0/+2
No sense having 8 or 16 reply queues if you only have 4 cpus, and likewise no sense limiting to 8 reply queues if you have many more cpus. Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reviewed-by: Mike Miller <michael.miller@canonical.com> Reviewed-by: Scott Teel <scott.teel@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-06-02hpsa: use gcc aligned attribute instead of manually padding structsStephen M. Cameron1-3/+0
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reviewed-by: Webb Scales <webb.scales@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-06-02hpsa: change doorbell reset delay to ten secondsJustin Lindley1-2/+2
After 3.22 firmware, PMC firmware guys tell us the previous 5 second delay after a reset now needs to be 10 secs to avoid a PCIe error due to the driver looking at the controller too soon after the reset. Signed-off-by: Justin Lindley <justin.lindley@hp.com> Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reviewed-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-06-02hpsa: allow passthru ioctls to work with bidirectional commandsStephen M. Cameron1-4/+4
Treat the the data direction bits as a bit mask allowing both READ and WRITE at the same time instead of testing for equality to see if it's a exclusively a READ or a WRITE. Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reviewed-by: Mike Miller <michael.miller@canonical.com> Reviewed-by: Webb Scales <webb.scales@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-06-02hpsa: remove unused fields from struct ctlr_infoStephen M. Cameron1-2/+0
The fields "major", "max_outstanding", and "usage_count" of struct ctlr_info were not used for anything. Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reviewed-by: Mike Miller <michael.miller@canonical.com> Reviewed-by: Webb Scales <webb.scales@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-05-28hpsa: fix bad comparison of signed with unsigned in hpsa_update_scsi_devicesJoe Handzik1-1/+1
rescan_hba_mode was defined as a u8 so could never be less than zero: rescan_hba_mode = hpsa_hba_mode_enabled(h); if (rescan_hba_mode < 0) goto out; Signed-off-by: Joe Handzik <joseph.t.handzik@hp.com> Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-05-19hpsa: do not ignore failure of sense controller parameters commandJoe Handzik1-3/+5
Signed-off-by: Joe Handzik <joseph.t.handzik@hp.com> Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-05-19hpsa: fix memory leak in hpsa_hba_mode_enabledJoe Handzik1-1/+6
And while we're at it fix a magic number Signed-off-by: Joe Handzik <joseph.t.handzik@hp.com> Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-05-19hpsa: add new Smart Array PCI IDs (May 2014)Joe Handzik1-0/+12
Signed-off-by: Scott Teel <scott.teel@hp.com> Signed-off-by: Joe Handzik <joseph.t.handzik@hp.com> Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Cc: stable@vger.kernel.org Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-05-19hpsa: Checking for a NULL return from a kzalloc callJoe Handzik1-0/+2
Checking for a NULL return from a kzalloc call in hpsa_get_pdisk_of_ioaccel2. Signed-off-by: Scott Teel <scott.teel@hp.com> Signed-off-by: Joe Handzik <joseph.t.handzik@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-04-21[SCSI] hpsa: fix NULL dereference in hpsa_put_ctlr_into_performant_mode()scameron@beardog.cce.hp.com1-4/+4
Initialize local variable trans_support before it is used rather than after. It is supposed to contain the value of a register on the controller containing bits that describe which transport modes the controller supports (e.g. "performant", "ioaccel1", "ioaccel2"). A NULL pointer dereference will almost certainly occur if trans_support is not initialized at the right point. If for example the uninitialized trans_support value does not have the bit set for ioaccel2 support when it should be, then ioaccel2_alloc_cmds_and_bft() will not get called as it should be and the h->ioaccel2_blockFetchTable array will remain NULL instead of being allocated. Too late, trans_support finally gets initialized with the correct value with ioaccel2 mode bit set, which later causes calc_bucket_map() to be called to fill in h->ioaccel2_blockFetchTable[]. However h->ioaccel2_blockFetchTable is NULL because it didn't get allocated because earlier trans_support wasn't initialized at the right point. Fixes: e1f7de0cdd68d246d7008241cd9e443a54f880a8 Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Reported-by: Baoquan He <bhe@redhat.com> Tested-by: Baoquan He <bhe@redhat.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-03-19[SCSI] hpsa: update driver version to 3.4.4-1Stephen M. Cameron1-1/+1
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-03-19[SCSI] hpsa: fix bad endif placement in RAID 5 mapper codeStephen M. Cameron1-1/+1
It caused the i/o request to always be counted as ineligible for the accelerated i/o path on 32 bit systems and negatively affected performance. Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-03-15[SCSI] hpsa: Do not zero fields of ioaccel2 command structure twiceStephen M. Cameron1-2/+0
Structure was already memset to zero at the top of hpsa_scsi_ioaccel2_queue_command Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-03-15[SCSI] hpsa: Add hba mode to the hpsa driverStephen M. Cameron1-4/+89
This allows exposing physical disks behind Smart Array controllers to the OS (if the controller has the right firmware and is in "hba" mode) Signed-off-by: Joe Handzik <joseph.t.handzik@hp.com> Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-03-15[SCSI] hpsa: increase the probability of a reported success after a device resetTomas Henzl1-1/+2
rc is set in the loop, and it isn't set back to zero anywhere this patch fixes it Signed-off-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-03-15[SCSI] hpsa: bring format-in-progress drives online when readyStephen M. Cameron1-24/+287
Do not expose drives that are undergoing a format immediately to the OS, instead wait until they are ready before bringing them online. This is so that logical drives created with "rapid parity initialization" do not get immediately kicked off the system for being unresponsive. Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-03-15[SCSI] hpsa: remove unused kthread.h headerStephen M. Cameron1-1/+0
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-03-15[SCSI] hpsa: Add support for a few HP Storage controllersStephen M. Cameron1-0/+10
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-03-15[SCSI] hpsa add sysfs debug switch for raid map debugging messagesStephen M. Cameron1-0/+64
Signed-off-by: Scott Teel <scott.teel@hp.com> Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-03-15[SCSI] hpsa: improve error messages for driver initiated commandsStephen M. Cameron1-27/+44
On encountering unexpected error conditions from driver initiated commands, print something useful like CDB and sense data rather than something useless like the kernel virtual address of the command buffer. Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-03-15[SCSI] hpsa: only do device rescan for certain eventsStephen M. Cameron1-1/+1
Do no rescan on every events -- way too many rescans are triggered if we don't filter the events. Limit rescans to be triggered by the following set of events: * controller state change * enclosure hot plug * physical drive state change * logical drive state change * redundant controller state change * accelerated io enabled/disabled * accelerated io configuration change Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-03-15[SCSI] hpsa: when switching out of accel mode await only accel command completionsStephen M. Cameron1-6/+16
Don't wait for *all* commands to complete, only for accelerated mode commands. Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-03-15[SCSI] hpsa: add controller base data-at-rest encryption compatibility ioaccel2Scott Teel1-9/+170
Add controller-based data-at-rest encryption compatibility to ioaccel2 path (HP SSD Smart Path). Encryption feature requires driver to supply additional fields for encryption enable, tweak index, and data encryption key index in the ioaccel2 request structure. Encryption enable flag and data encryption key index come from raid_map data structure from raid offload command. During ioaccel2 submission, check device structure's raid map to see if encryption is enabled for the device. If so, call new function below. Add function set_encrypt_ioaccel2 to set encryption flag, data encryption key index, and calculate tweak value from request's logical block address. Signed-off-by: Scott Teel <scott.teel@hp.com> Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-03-15[SCSI] hpsa: update source file copyrightsScott Teel1-1/+1
Signed-off-by: Scott Teel <scott.teel@hp.com> Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-03-15[SCSI] hpsa: retry certain ioaccel error cases on the RAID pathScott Teel1-6/+39
Change the handling of HP SSD Smart Path errors with status: 0x02 CHECK CONDITION 0x08 BUSY 0x18 RESERVATION CONFLICT 0x40 TASK ABORTED So that they get retried on the RAID Path. Signed-off-by: Scott Teel <scott.teel@hp.com> Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>