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- 04 Aug, 2007 1 commit
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Salyzyn, Mark authored
If the driver fails to allocate the contiguous (DMAable) memory for system reasons, we fail to load the instance, but then we try to free the <nul> allocation in the cleanup code and we get a panic in pci_free_consistent(). This is reported against an older kernel, hope this is relevant for latest/greatest. Signed-off-by: Mark Salyzyn <aacraid@adaptec.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- 27 Jul, 2007 1 commit
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Salyzyn, Mark authored
Minor unimportant cuttings from the floor bundled in with a version stamp update. Only controversial change is the dropping of Alan Cox copyright on the nark.c module since that file has no code written by him in it. Signed-off-by: Mark Salyzyn <aacraid@adaptec.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- 24 Jul, 2007 1 commit
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Alan Cox authored
On the SCSI layer ioctl path there is no implicit permissions check for ioctls (and indeed other drivers implement unprivileged ioctls). aacraid however allows all sorts of very admin only things to be done so should check. Signed-off-by: Alan Cox <alan@redhat.com> Acked-by: Mark Salyzyn <mark_salyzyn@adaptec.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- 23 Jul, 2007 2 commits
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Salyzyn, Mark authored
We need to newline terminate responses from nodes within the sysfs tree, the Adapter status value reported by the reset adapter node is adjusted. Signed-off-by: Mark Salyzyn <aacraid@adaptec.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Alan Cox authored
On the SCSI layer ioctl path there is no implicit permissions check for ioctls (and indeed other drivers implement unprivileged ioctls). aacraid however allows all sorts of very admin only things to be done so should check. Signed-off-by: Alan Cox <alan@redhat.com> Acked-by: "Salyzyn, Mark" <mark_salyzyn@adaptec.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- 20 Jun, 2007 2 commits
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Salyzyn, Mark authored
Support displaying long serial number information. Reuse sysfs handler internally as helper. Signed-off-by: Mark Salyzyn <aacraid@adaptec.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Salyzyn, Mark authored
The Dell PERC2/QC erroneously was listed as having the 31 bit limit quirk on the interface allocations, removing the reference to repair this oversight. Also, the 2 quad pci address (family) match catch-all also retained the 31 bit limit and the 34 SG limit quirks in a paranoid move. Now, many years later, we find that none of the Adapters that did trigger with the family match had such quirks; these quirks are all limited to the 4 quad pci address matches to select legacy adapters already populated. Signed-off-by: Mark Salyzyn <aacraid@adaptec.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- 17 Jun, 2007 1 commit
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Salyzyn, Mark authored
Add the ability for an application to issue a hardware reset to the adapter via sysfs. Typical uses include restarting the adapter after it has been flashed. Bumped revision number for the driver and added a feature to periodically check the adapter's health (check_interval), update the adapter's concept of time (update_interval) and block checking/resetting of the adapter (check_reset). Signed-off-by: Mark Salyzyn <aacraid@adaptec.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- 01 Jun, 2007 2 commits
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Salyzyn, Mark authored
Moves quiesce, thread and interrupt shutdown into aacraid drivers' .shutdown handler. This fix to the aac_shutdown handler will remove the superfluous reset of the adapter during a (clean) kexec. This fix may mitigate the active investigation 'kexec and aacraid broken' but it is unlikely to affect the root cause (issue likely present in both kexec and kdump). This patch reduces the chance the problem will occur with a kexec. The fix for root cause is currently expected to be the minimum value check to the aacraid.startup_timeout driver variable after an adapter reset within aacraid_commit_reset.patch submitted on 05/22/2007 and awaiting testing by Yinghai to confirm. Signed-off-by: Mark Salyzyn <aacraid@adaptec.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Salyzyn, Mark authored
Inspired by Brian King's patch to the ibmvscsi driver. Adds support for a changeable queue depth to the aacraid driver. Signed-off-by: Mark Salyzyn <aacraid@adaptec.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- 22 May, 2007 1 commit
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Salyzyn, Mark authored
Back in the beginning of last year we disabled mode page 8 and mode page 3f requests through device quirk bits instead of enhancing the driver to respond to these mode pages because there was no apparent added value. The Firmware that supports the new communication commands supports the ability to force a write around of the adapter cache on a command by command basis. In the attached patch we enable mode page 8 and 3f and spoof the results as needed in order to *convince* the layers above to submit writes with the FUA (Force Unit Attention) bit set if the file system or application requires it, if the Firmware supports the write through, or instead to submit a SYNCHRONIZE_CACHE if the Firmware does not. The added value here is for file systems that benefit from this functionality and for clustering or redundancy scenarios. Caveats: By convince, we are responding with a minimal short 3 byte content mode page 8, with only the data the SCSI layer needs and that we can fill confidently. Applications that require the customarily larger mode page 8 results may be confused by this(?). The FUA, or the SYNCHRONIZE_CACHE only affect the cache on the controller. Our firmware by default ensure that the underlying physical drives of the array have their cache turned off so normally this is not a problem. This attached patch is against current scsi-misc-2.6 and was unit tested on RHEL5. Since this is a feature enhancement, it should not be considered for any current stabilization efforts. Signed-off-by: Mark Salyzyn <aacraid@adaptec.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- 01 Apr, 2007 1 commit
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Adrian Bunk authored
- proper prototypes for global code in aacraid.h - aac_rx_start_adapter() can now become static Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: "Salyzyn, Mark" <mark_salyzyn@adaptec.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- 21 Mar, 2007 1 commit
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Salyzyn, Mark authored
There is some residual cleanup of the last series of patches and the need to bump the revision number to draw the line in the sand. The cmd->SCp.phase is set in the aac_valid_context routine, then set again to the same value following it's return. The cmd->scsi_done is set twice in the aac_queuecommand routine. Free up the scsidev FILO in aac_probe_container as it is not needed further down the function in any case. Improve the efficiency of the abort handler kernel print parameters. Bump revision number of driver to approximate the equivalent in the Adaptec supplied version. Signed-off-by: Mark Salyzyn <aacraid@adaptec.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- 20 Mar, 2007 1 commit
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Mark Haverkamp authored
Received from Mark Salyzyn, This set of fixes improve error handling stability of the driver. A popular manifestation of the problems is an NULL pointer reference in the interrupt handler when referencing portions of the scsi command context, or in the scsi_done handling when an offlined device is referenced. The aacraid driver currently does not get notification of orphaned command completions due to devices going offline. The driver also fails to handle the commands that are finished by the error handler, and thus can complete again later at the hands of the adapter causing situations of completion of an invalid scsi command context. Test Unit Ready calls abort assuming that the abort was successful, but are not, and thus when the interrupt from the adapter occurs, they reference invalid command contexts. We add in a TIMED_OUT flag to inform the aacraid FIB context that the interrupt service should merely release the driver resources and not complete the command up. We take advantage of this with the abort handler as well for select abortable commands. And we detect and react if a command that can not be aborted is currently still outstanding to the controller when reissued by the retry mechanism. Signed-off-by: Mark Haverkamp <markh@linux-foundation.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- 12 Feb, 2007 1 commit
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Arjan van de Ven authored
Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- 27 Jan, 2007 2 commits
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Mark Haverkamp authored
Received from Mark Salyzyn, Take the expose_physicals flag and allow the user to select default (physicals available via /dev/sg), exposed (physicals available via /dev/sd for experimental reasons) and hidden (physicals blocked from all access). This expands the functionality of the previous expose_physicals insmod parameter which was added to support some experimental configurations. Signed-off-by Mark Haverkamp <markh@linux-foundation.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Mark Haverkamp authored
Received from Mark Salyzyn, Add in the NEMER/ARK physical register mapping, represented in up and coming products currently under test at Adaptec. Signed-off-by Mark Haverkamp <markh@linux-foundation.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- 06 Jan, 2007 1 commit
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Salyzyn, Mark authored
Update drivers/scsi/aacraid/linit.c and Documentation/scsi/aacraid.txt file with the current list of adapters supported by the aacraid driver. Deprecated a few adapters that never shipped, corrected a few and added new adapters that matched the family code support. No functional changes to the driver. No side effects. Signed-off-by: Mark Salyzyn <aacraid@adaptec.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- 24 Sep, 2006 2 commits
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Mark Haverkamp authored
Received from Mark Salyzyn: The only real difference between the rkt and rx platform modules is the offset of the message registers. This patch recognizes this similarity and simplifies the driver to reduce it's code footprint and to improve maintainability by reducing the code duplication. Visibly, the 'rkt.c' portion of this patch looks more complicated than it really is. View it as retaining the rkt-only specifics of the interface. Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Mark Haverkamp authored
Received from Mark Salyzyn: I am placing this functionality into an insmod parameter. Normally the physical components are exported to sg, and are blocked from showing up in sd. Note that the pass-through I/O path via the driver through the Firmware to the physical disks is not an optimized path, the card is designed for Hardware RAID, elevator sorting and caching. This should not be used as a means for utilizing the aacraid based controllers as a generic scsi/SATA/SAS controller, performance should suck by a few percentage points, any RAID meta-data on the drives will confuse the controller about who owns the drives and there is a high risk of destroying content in both directions. Unreliable and for experimentation or strange controlled circumstances only. Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- 19 Aug, 2006 2 commits
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Mark Haverkamp authored
Received from Mark Salyzyn If the adapter is in blinkled (Firmware Assert) when error recovery timeout actions have been triggered, perform an adapter warm reset and restart the initialization. Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Mark Haverkamp authored
Received from Mark Salyzyn The enclosed patch cleans up some code fragments, adds some paranoia (unproven causes of potential driver failures). Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- 20 Jun, 2006 1 commit
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Mark Haverkamp authored
Received From Mark Salyzyn Some of the cards product names changed. Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- 12 Jun, 2006 1 commit
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Mark Haverkamp authored
Received from Mark Salyzyn clear_user return is 0 for success, the code fragment is written to assume that it is the count of the number of bytes zero'd. Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- 20 May, 2006 1 commit
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Mark Haverkamp authored
Received From Mark Salyzyn Since new commands to the card are quiesced, respect the changes in the SCSI error path which dropped locking around the hba reset handler and similarly drop the lock requirement in the driver's path. Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- 13 Apr, 2006 8 commits
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Mark Haverkamp authored
Received from Mark Salyzyn Fix module param Update driver version. Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Mark Haverkamp authored
Received from Mark Salyzyn On 64 bit machines, when a 32 bit application tries to acquire the AIF, they will always get and EFAULT error response from the driver. Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Mark Haverkamp authored
Received from Mark Salyzyn Add max_channel and max_id sysfs parameters. Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Mark Haverkamp authored
Received from Mark Salyzyn Remove superfluous code, optimize code, harden code, cast code, correct some text, use msleep instead of schedule_timeout_interruptible. No bugs. Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Mark Haverkamp authored
Received from Mark Salyzyn If there are no aacraid controllers, we do not create the raid controller chrdev, thus when the driver is unloaded it performs a superfluous deregistration. Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Mark Haverkamp authored
Received from Mark Salyzyn The max_channel field is set one too large. Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Mark Haverkamp authored
Received from Mark Salyzyn Some of the error return paths during initialization resulted in a zero report to caller Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Mark Haverkamp authored
Received from Mark Salyzyn The loss of the ownership flags, despite their flaws, in the scsi command were sorely missed and are reinstated more accurately in the aacraid driver to track commands and permit us to properly handle error recovery actions. Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- 28 Mar, 2006 1 commit
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Matthias Gehre authored
Replace all occurences of 0xff.. in calls to function pci_set_dma_mask() and pci_set_consistant_dma_mask() with the corresponding DMA_xBIT_MASK from linux/dma-mapping.h. Signed-off-by: Matthias Gehre <M.Gehre@gmx.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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- 28 Feb, 2006 1 commit
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Christoph Hellwig authored
Use the kthread_ API instead of opencoding lots of hairy code for kernel thread creation and teardown. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Salyzyn, Mark <mark_salyzyn@adaptec.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- 04 Feb, 2006 3 commits
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Mark Haverkamp authored
Received From Mark Salyzyn. In order to support user tools accessing the array components (SMART, Mode Page information, Cache page adjustments, WWN determination, Firmware updates etc), we take advantage of the no_uld_attach flag and deprecate the code that filters Inquiries to block the requests to array components. The quirk prevents the sd layer from attaching to the components. We also took the opportunity to balance the queue depths based on the total adapter queue depth to the array devices to reduce the chances of starvation. Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Mark Haverkamp authored
Received from Mark Salyzyn, Reduce the possibility of namespace collision. Prefix with aac_. Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Mark Haverkamp authored
Received from Mark Salyzyn. This patch sets up some device quirks surrounding arrays to inform the scsi layer that various mode pages are not supported. This reduces the severity of the complaints that show up in the logs as the array devices are enumerated. Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- 12 Jan, 2006 2 commits
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Mark Haverkamp authored
Received From Mark Salyzyn. The Jaguar and Corsair class of adapters (2410, 2810, 2610, 21610, CERC) perform better (about 10% better read performance, write performance neutral) with current Firmware if the OS limits the number of scatter gather elements to 17 per request. Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Mark Haverkamp authored
Received from Mark Salyzyn. Provide more accurate adapter information. Allows the Adapter Firmware to override the Adapter product information. Signed-off-by: Mark Haverkamp <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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