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* scsi: Centralise ssp frame information unitsJohn Garry2015-11-261-43/+6
| | | | | | | | | | | The xfer_rdy, command, and task frame's iu structures are not available in <scsi/sas.h>, but only aic94xx driver folder. Add them to include/scsi/sas.h Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* Merge tag '4.4-scsi-mkp' into miscJames Bottomley2015-11-121-1/+1
|\ | | | | | | | | | | SCSI queue for 4.4. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| * aic94xx: remove SCSI host before detaching from SAS transportJack Wang2015-11-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit cff549e4860f ("scsi: proper state checking and module refcount handling in scsi_device_get") the reference count of scsi device was changed, which could lead to when rmmod with at least on drive attached, SCSI error handle will run into infinite loop, and lockup the system. Fix it by remove scsi host first, this way scsi core will not send commands down after detaching SAS transport. This is a follow up fix for Benjamin's fix for pm80xx. See also: http://www.spinics.net/lists/linux-scsi/msg90088.html Signed-off-by: Jack Wang <jinpu.wang@profitbricks.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* | scsi: use host wide tags by defaultChristoph Hellwig2015-11-101-1/+0
|/ | | | | | | | | | | | | This patch changes the !blk-mq path to the same defaults as the blk-mq I/O path by always enabling block tagging, and always using host wide tags. We've had blk-mq available for a few releases so bugs with this mode should have been ironed out, and this ensures we get better coverage of over tagging setup over different configs. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Jens Axboe <axboe@kernel.dk> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Odin.com>
* Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds2015-09-121-2/+3
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull second round of SCSI updates from James Bottomley: "There's one late arriving patch here (added today), fixing a build issue which the scsi_dh patch set in here uncovered. Other than that, everything has been incubated in -next and the checkers for a week. The major pieces of this patch are a set patches facilitating better integration between scsi and scsi_dh (the device handling layer used by multi-path; all the dm parts are acked by Mike Snitzer). This also includes driver updates for mp3sas, scsi_debug and an assortment of bug fixes" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (50 commits) scsi_dh: fix randconfig build error scsi: fix scsi_error_handler vs. scsi_host_dev_release race fcoe: Convert use of __constant_htons to htons mpt2sas: setpci reset kernel oops fix pm80xx: Don't override ts->stat on IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY lpfc: Fix possible use-after-free and double free in lpfc_mbx_cmpl_rdp_page_a2() bfa: Fix incorrect de-reference of pointer bfa: Fix indentation scsi_transport_sas: Remove check for SAS expander when querying bay/enclosure IDs. scsi_debug: resp_request: remove unused variable scsi_debug: fix REPORT LUNS Well Known LU scsi_debug: schedule_resp fix input variable check scsi_debug: make dump_sector static scsi_debug: vfree is null safe so drop the check scsi_debug: use SCSI_W_LUN_REPORT_LUNS instead of SAM2_WLUN_REPORT_LUNS; scsi_debug: define pr_fmt() for consistent logging mpt2sas: Refcount fw_events and fix unsafe list usage mpt2sas: Refcount sas_device objects and fix unsafe list usage scsi_dh: return SCSI_DH_NOTCONN in scsi_dh_activate() scsi_dh: don't allow to detach device handlers at runtime ...
| * aic94xx: Skip reading user settings if flash is not foundHannes Reinecke2015-08-281-2/+3
| | | | | | | | | | | | | | | | | | | | | | If no user settings are found it's pointless trying to read them from flash. So skip that step. This also fixes a compilation warning about uninitialized variables in aic94xx. Signed-off-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <JBottomley@Odin.com>
* | Merge tag 'libnvdimm-for-4.3' of ↵Linus Torvalds2015-09-081-6/+1
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull libnvdimm updates from Dan Williams: "This update has successfully completed a 0day-kbuild run and has appeared in a linux-next release. The changes outside of the typical drivers/nvdimm/ and drivers/acpi/nfit.[ch] paths are related to the removal of IORESOURCE_CACHEABLE, the introduction of memremap(), and the introduction of ZONE_DEVICE + devm_memremap_pages(). Summary: - Introduce ZONE_DEVICE and devm_memremap_pages() as a generic mechanism for adding device-driver-discovered memory regions to the kernel's direct map. This facility is used by the pmem driver to enable pfn_to_page() operations on the page frames returned by DAX ('direct_access' in 'struct block_device_operations'). For now, the 'memmap' allocation for these "device" pages comes from "System RAM". Support for allocating the memmap from device memory will arrive in a later kernel. - Introduce memremap() to replace usages of ioremap_cache() and ioremap_wt(). memremap() drops the __iomem annotation for these mappings to memory that do not have i/o side effects. The replacement of ioremap_cache() with memremap() is limited to the pmem driver to ease merging the api change in v4.3. Completion of the conversion is targeted for v4.4. - Similar to the usage of memcpy_to_pmem() + wmb_pmem() in the pmem driver, update the VFS DAX implementation and PMEM api to provide persistence guarantees for kernel operations on a DAX mapping. - Convert the ACPI NFIT 'BLK' driver to map the block apertures as cacheable to improve performance. - Miscellaneous updates and fixes to libnvdimm including support for issuing "address range scrub" commands, clarifying the optimal 'sector size' of pmem devices, a clarification of the usage of the ACPI '_STA' (status) property for DIMM devices, and other minor fixes" * tag 'libnvdimm-for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: (34 commits) libnvdimm, pmem: direct map legacy pmem by default libnvdimm, pmem: 'struct page' for pmem libnvdimm, pfn: 'struct page' provider infrastructure x86, pmem: clarify that ARCH_HAS_PMEM_API implies PMEM mapped WB add devm_memremap_pages mm: ZONE_DEVICE for "device memory" mm: move __phys_to_pfn and __pfn_to_phys to asm/generic/memory_model.h dax: drop size parameter to ->direct_access() nd_blk: change aperture mapping from WC to WB nvdimm: change to use generic kvfree() pmem, dax: have direct_access use __pmem annotation dax: update I/O path to do proper PMEM flushing pmem: add copy_from_iter_pmem() and clear_pmem() pmem, x86: clean up conditional pmem includes pmem: remove layer when calling arch_has_wmb_pmem() pmem, x86: move x86 PMEM API to new pmem.h header libnvdimm, e820: make CONFIG_X86_PMEM_LEGACY a tristate option pmem: switch to devm_ allocations devres: add devm_memremap libnvdimm, btt: write and validate parent_uuid ...
| * cleanup IORESOURCE_CACHEABLE vs ioremap()Dan Williams2015-08-111-6/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Quoting Arnd: I was thinking the opposite approach and basically removing all uses of IORESOURCE_CACHEABLE from the kernel. There are only a handful of them.and we can probably replace them all with hardcoded ioremap_cached() calls in the cases they are actually useful. All existing usages of IORESOURCE_CACHEABLE call ioremap() instead of ioremap_nocache() if the resource is cacheable, however ioremap() is uncached by default. Clearly none of the existing usages care about the cacheability. Particularly devm_ioremap_resource() never worked as advertised since it always fell back to plain ioremap(). Clean this up as the new direction we want is to convert ioremap_<type>() usages to memremap(..., flags). Suggested-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
* | aic94xx: set an error code on failureDan Carpenter2015-08-271-0/+1
|/ | | | | | | | | | We recently did some cleanup here and now the static checkers notice that there is a missing error code when ioremap() fails. Let's set it to -ENOMEM. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: James Bottomley <JBottomley@Odin.com>
* scsi: Do not set cmd_per_lun to 1 in the host templateHannes Reinecke2015-06-011-1/+0
| | | | | | | | | | '0' is now used as the default cmd_per_lun value, so there's no need to explicitly set it to '1' in the host template. Signed-off-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <JBottomley@Odin.com>
* Merge remote-tracking branch 'scsi-queue/drivers-for-3.19' into for-linusJames Bottomley2014-12-181-1/+0
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| * scsi: remove ->change_queue_type methodChristoph Hellwig2014-12-041-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | Since we got rid of ordered tag support in 2010 the prime use case of switching on and off ordered tags has been obsolete. The other function of enabling/disabling tagging entirely has only been correctly implemented by the 53c700 driver and isn't generally useful. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com Reviewed-by: Hannes Reinecke <hare@suse.de>
* | Merge branch 'for-3.19' of ↵Linus Torvalds2014-12-121-5/+5
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata Pull libata changes from Tejun Heo: "The only interesting piece is the support for shingled drives. The changes in libata layer are minimal. All it does is identifying the new class of device and report upwards accordingly" * 'for-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: libata: Remove FIXME comment in atapi_request_sense() sata_rcar: Document deprecated "renesas,rcar-sata" sata_rcar: Add clocks to sata_rcar bindings ahci_sunxi: Make AHCI_HFLAG_NO_PMP flag configurable with a module option libata-scsi: Update SATL for ZAC drives libata: Implement ATA_DEV_ZAC libsas: use ata_dev_classify()
| * libsas: use ata_dev_classify()Hannes Reinecke2014-11-051-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | Use the ata device class from libata in libsas instead of checking the supported command set and switch to using ata_dev_classify() instead of our own method. Cc: Tejun Heo <tj@kernel.org> Cc: Dan Williams <dan.j.williams@intel.com> Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Tejun Heo <tj@kernel.org>
* | libsas: remove task_collector modeChristoph Hellwig2014-11-274-21/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The task_collector mode (or "latency_injector", (C) Dan Willians) is an optional I/O path in libsas that queues up scsi commands instead of directly sending it to the hardware. It generall increases latencies to in the optiomal case slightly reduce mmio traffic to the hardware. Only the obsolete aic94xx driver and the mvsas driver allowed to use it without recompiling the kernel, and most drivers didn't support it at all. Remove the giant blob of code to allow better optimizations for scsi-mq in the future. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Acked-by: Dan Williams <dan.j.williams@intel.com>
* | scsi: avoid ->change_queue_depth indirection for queue full trackingChristoph Hellwig2014-11-241-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | All drivers use the implementation for ramping the queue up and down, so instead of overloading the change_queue_depth method call the implementation diretly if the driver opts into it by setting the track_queue_depth flag in the host template. Note that a few drivers validated the new queue depth in their change_queue_depth method, but as we never go over the queue depth set during slave_configure or the sysfs file this isn't nessecary and can safely be removed. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Venkatesh Srinivas <venkateshs@google.com>
* | scsi: always assign block layer tags if enabledChristoph Hellwig2014-11-121-0/+1
|/ | | | | | | | | | | | | Allow a driver to ask for block layer tags by setting .use_blk_tags in the host template, in which case it will always see a valid value in request->tag, similar to the behavior when using blk-mq. This means even SCSI "untagged" commands will now have a tag, which is especially useful when using a host-wide tag map. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Hannes Reinecke <hare@suse.de>
* [SCSI] libsas: implement > 16 byte CDB supportJames Bottomley2013-06-041-1/+2
| | | | | | | | | | | | | | | | | | Remove the arbitrary expectation in libsas that all SCSI commands are 16 bytes or less. Instead do all copies via cmd->cmd_len (and use a pointer to this in the libsas task instead of a copy). Note that this still doesn't enable > 16 byte CDB support in the underlying drivers because their internal format has to be fixed and the wire format of > 16 byte CDBs according to the SAS spec is different. the libsas drivers (isci, aic94xx, mvsas and pm8xxx are all updated for this change. Cc: Lukasz Dorau <lukasz.dorau@intel.com> Cc: Maciej Patelczyk <maciej.patelczyk@intel.com> Cc: Dave Jiang <dave.jiang@intel.com> Cc: Jack Wang <xjtuwjp@gmail.com> Cc: Lindar Liu <lindar_liu@usish.com> Cc: Xiangliang Yu <yuxiangl@marvell.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] sas: unify the pointlessly separated enums sas_dev_type and ↵James Bottomley2013-05-103-14/+14
| | | | | | | | | | | | | | | | | | sas_device_type These enums have been separate since the dawn of SAS, mainly because the latter is a procotol only enum and the former includes additional state for libsas. The dichotomy causes endless confusion about which one you should use where and leads to pointless warnings like this: drivers/scsi/mvsas/mv_sas.c: In function 'mvs_update_phyinfo': drivers/scsi/mvsas/mv_sas.c:1162:34: warning: comparison between 'enum sas_device_type' and 'enum sas_dev_type' [-Wenum-compare] Fix by eliminating one of them. The one kept is effectively the sas.h one, but call it sas_device_type and make sure the enums are all properly namespaced with the SAS_ prefix. Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* Drivers: scsi: remove __dev* attributes.Greg Kroah-Hartman2013-01-041-12/+11
| | | | | | | | | | | | | | | | CONFIG_HOTPLUG is going away as an option. As a result, the __dev* markings need to be removed. This change removes the use of __devinit, __devexit_p, __devinitdata, __devinitconst, and __devexit from these drivers. Based on patches originally written by Bill Pemberton, but redone by me in order to handle some of the coding style issues better, by hand. Cc: Bill Pemberton <wfp5p@virginia.edu> Cc: Adam Radford <linuxraid@lsi.com> Cc: "James E.J. Bottomley" <JBottomley@parallels.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* sections: fix section conflicts in drivers/scsiAndi Kleen2012-10-051-1/+1
| | | | | | | Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [SCSI] libsas: fix taskfile corruption in sas_ata_qc_fill_rtfDan Williams2012-07-081-1/+1
| | | | | | | | | | | | | | | | | fill_result_tf() grabs the taskfile flags from the originating qc which sas_ata_qc_fill_rtf() promptly overwrites. The presence of an ata_taskfile in the sata_device makes it tempting to just copy the full contents in sas_ata_qc_fill_rtf(). However, libata really only wants the fis contents and expects the other portions of the taskfile to not be touched by ->qc_fill_rtf. To that end store a fis buffer in the sata_device and use ata_tf_from_fis() like every other ->qc_fill_rtf() implementation. Cc: <stable@vger.kernel.org> Reported-by: Praveen Murali <pmurali@logicube.com> Tested-by: Praveen Murali <pmurali@logicube.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* aic94xx: Get rid of redundant NULL check before release_firmware() callJesper Juhl2012-04-301-2/+1
| | | | | | | | release_firmware() checks for NULL pointers internally, so checking before calling the function is redundant. Signed-off-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* [SCSI] libsas: don't recover end devices attached to disabled physDan Williams2012-02-291-1/+1
| | | | | | | | | | | | | | | | | | If userspace has decided to disable a phy the kernel should honor that and not inadvertantly re-enable the phy via error recovery. This is more straightforward in the sata case where link recovery (via libata-eh) is separate from sas_task cancelling in libsas-eh. Teach libsas to accept -ENODEV as a successful response from I_T_nexus_reset ('successful' in terms of not escalating further). This is a more comprehensive fix then "libsas: don't recover 'gone' devices in sas_ata_hard_reset()", as it is no longer sata-specific. aic94xx does check the return value from sas_phy_reset() so if the phy is disabled we proceed with clearing the I_T_nexus. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] libsas: async ata scanningDan Williams2012-02-291-1/+0
| | | | | | | | | | | | | | | | | | libsas ata error handling is already async but this does not help the scan case. Move initial link recovery out from under host->scan_mutex, and delay synchronization with eh until after all port probe/recovery work has been queued. Device ordering is maintained with scan order by still calling sas_rphy_add() in order of domain discovery. Since we now scan the domain list when invoking libata-eh we need to be careful to check for fully initialized ata ports. Acked-by: Jack Wang <jack_wang@usish.com> Acked-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] libsas: fix sas_find_local_phy(), take phy referencesDan Williams2012-02-291-3/+6
| | | | | | | | | | | | | | | | | | | | | | | In the direct-attached case this routine returns the phy on which this device was first discovered. Which is broken if we want to support wide-targets, as this phy reference can become stale even though the port is still active. In the expander-attached case this routine tries to lookup the phy by scanning the attached sas addresses of the parent expander, and BUG_ONs if it can't find it. However since eh and the libsas workqueue run independently we can still be attempting device recovery via eh after libsas has recorded the device as detached. This is even easier to hit now that eh is blocked while device domain rediscovery takes place, and that libata is fed more timed out commands increasing the chances that it will try to recover the ata device. Arrange for dev->phy to always point to a last known good phy, it may be stale after the port is torn down, but it will catch up for wide port reconfigurations, and never be NULL. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] libsas: use ->set_dmamode to notify lldds of NCQ parametersDan Williams2012-02-193-14/+28
| | | | | | | | | | | | | | | | sas_discover_sata() notifies lldds of sata devices twice. Once to allow the 'identify' to be sent, and a second time to allow aic94xx (the only libsas driver that cares about sata_dev.identify) to setup NCQ parameters before the device becomes known to the midlayer. Replace this double notification and intervening 'identify' with an explicit ->lldd_ata_set_dmamode notification. With this change all ata internal commands are issued by libata, so we no longer need sas_issue_ata_cmd(). The data from the identify command only needs to be cached in one location so ata_device.id replaces domain_device.sata_dev.identify. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] libsas: introduce sas_drain_work()Dan Williams2012-02-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | When an lldd invokes ->notify_port_event() it can trigger a chain of libsas events to: 1/ form the port and find the direct attached device 2/ if the attached device is an expander perform domain discovery A call to flush_workqueue() will only flush the initial port formation work. Currently libsas users need to call scsi_flush_work() up to the max depth of chain (which will grow from 2 to 3 when ata discovery is moved to its own discovery event). Instead of open coding multiple calls switch to use drain_workqueue() to flush sas work. drain_workqueue() does not handle new work submitted during the drain so libsas needs a bit of infrastructure to hold off unchained work submissions while a drain is in flight. A lldd ->notify() event is considered 'unchained' while a sas_discover_event() is 'chained'. As Tejun notes: "For now, I think it would be best to add private wrapper in libsas to support deferring unchained work items while draining." Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] libsas: kill sas_slave_destroyDan Williams2012-02-191-1/+0
| | | | | | | | | Per commit 3e4ec344 "libata: kill ATA_FLAG_DISABLED" needing to set ATA_DEV_NONE is a holdover from before libsas converted to the "new-style" ata-eh. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6Linus Torvalds2011-10-291-0/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (204 commits) [SCSI] qla4xxx: export address/port of connection (fix udev disk names) [SCSI] ipr: Fix BUG on adapter dump timeout [SCSI] megaraid_sas: Fix instance access in megasas_reset_timer [SCSI] hpsa: change confusing message to be more clear [SCSI] iscsi class: fix vlan configuration [SCSI] qla4xxx: fix data alignment and use nl helpers [SCSI] iscsi class: fix link local mispelling [SCSI] iscsi class: Replace iscsi_get_next_target_id with IDA [SCSI] aacraid: use lower snprintf() limit [SCSI] lpfc 8.3.27: Change driver version to 8.3.27 [SCSI] lpfc 8.3.27: T10 additions for SLI4 [SCSI] lpfc 8.3.27: Fix queue allocation failure recovery [SCSI] lpfc 8.3.27: Change algorithm for getting physical port name [SCSI] lpfc 8.3.27: Changed worst case mailbox timeout [SCSI] lpfc 8.3.27: Miscellanous logic and interface fixes [SCSI] megaraid_sas: Changelog and version update [SCSI] megaraid_sas: Add driver workaround for PERC5/1068 kdump kernel panic [SCSI] megaraid_sas: Add multiple MSI-X vector/multiple reply queue support [SCSI] megaraid_sas: Add support for MegaRAID 9360/9380 12GB/s controllers [SCSI] megaraid_sas: Clear FUSION_IN_RESET before enabling interrupts ...
| * [SCSI] isci: export phy events via ->lldd_control_phy()Dan Williams2011-10-021-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allow the sas-transport-class to update events for local phys via a new PHY_FUNC_GET_EVENTS command to ->lldd_control_phy(). Fixup drivers that are not prepared for new enum phy_func values, and unify ->lldd_control_phy() error codes. These are the SAS defined phy events that are reported in a smp-report-phy-error-log command: * /sys/class/sas_phy/<phyX>/invalid_dword_count * /sys/class/sas_phy/<phyX>/running_disparity_error_count * /sys/class/sas_phy/<phyX>/loss_of_dword_sync_count * /sys/class/sas_phy/<phyX>/phy_reset_problem_count Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* | aix94xx: Use angle brackets for system includesJoe Perches2011-09-151-1/+1
|/ | | | | | | Use the normal include style. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* [SCSI] aic94xx: world-writable sysfs update_bios fileVasiliy Kulikov2011-05-241-1/+1
| | | | | | | | Don't allow everybody to load firmware. Signed-off-by: Vasiliy Kulikov <segoon@openwall.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: James Bottomley <jbottomley@parallels.com>
* Fix common misspellingsLucas De Marchi2011-03-311-1/+1
| | | | | | Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
* scsi: change to new flag variablematt mooney2011-03-171-3/+1
| | | | | | | | Replace EXTRA_CFLAGS with ccflags-y. Signed-off-by: matt mooney <mfm@muteddisk.com> Acked-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* drivers: scsi: fix typo in commentAndrea Gelmini2010-11-031-1/+1
| | | | | Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* tree-wide: fix comment/printk typosUwe Kleine-König2010-11-012-5/+5
| | | | | | | | | | "gadget", "through", "command", "maintain", "maintain", "controller", "address", "between", "initiali[zs]e", "instead", "function", "select", "already", "equal", "access", "management", "hierarchy", "registration", "interest", "relative", "memory", "offset", "already", Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* drivers/scsi/aic94xx/aic94xx_init.c: correct the size argument to kmallocJulia Lawall2010-08-111-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | In each case, the destination of the allocation has type struct **, so the elements of the array should have pointer type, not structure type. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @disable sizeof_type_expr@ type T; T **x; @@ x = <+...sizeof( - T + *x )...+> // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Cc: Rolf Eike Beer <eike-kernel@sf-tec.de> Cc: Joe Perches <joe@perches.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'for-next' of ↵Linus Torvalds2010-08-051-2/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (48 commits) Documentation: update broken web addresses. fix comment typo "choosed" -> "chosen" hostap:hostap_hw.c Fix typo in comment Fix spelling contorller -> controller in comments Kconfig.debug: FAIL_IO_TIMEOUT: typo Faul -> Fault fs/Kconfig: Fix typo Userpace -> Userspace Removing dead MACH_U300_BS26 drivers/infiniband: Remove unnecessary casts of private_data fs/ocfs2: Remove unnecessary casts of private_data libfc: use ARRAY_SIZE scsi: bfa: use ARRAY_SIZE drm: i915: use ARRAY_SIZE drm: drm_edid: use ARRAY_SIZE synclink: use ARRAY_SIZE block: cciss: use ARRAY_SIZE comment typo fixes: charater => character fix comment typos concerning "challenge" arm: plat-spear: fix typo in kerneldoc reiserfs: typo comment fix update email address ...
| * fix typos concerning "initiali[zs]e"Uwe Kleine-König2010-06-161-2/+2
| | | | | | | | | | Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* | [SCSI] Unify SAM_ and SAM_STAT_ macrosJames Bottomley2010-07-281-1/+1
|/ | | | | | | | | | | We have two separate definitions for identical constants with nearly the same name. One comes from the generic headers in scsi.h; the other is an enum in libsas.h ... it's causing confusion about which one is correct (fortunately they both are). Fix this by eliminating the libsas.h duplicate Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* include cleanup: Update gfp.h and slab.h includes to prepare for breaking ↵Tejun Heo2010-03-306-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
* tree-wide: fix misspelling of "definition" in commentsAdam Buchbinder2009-12-041-1/+1
| | | | | | | | "Definition" is misspelled "defintion" in several comments; this patch fixes them. No code changes. Signed-off-by: Adam Buchbinder <adam.buchbinder@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32)Yang Hongyang2009-04-071-2/+2
| | | | | | | | Replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) Signed-off-by: Yang Hongyang<yanghy@cn.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* dma-mapping: replace all DMA_64BIT_MASK macro with DMA_BIT_MASK(64)Yang Hongyang2009-04-071-2/+2
| | | | | | | | Replace all DMA_64BIT_MASK macro with DMA_BIT_MASK(64) Signed-off-by: Yang Hongyang<yanghy@cn.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [SCSI] struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers2009-01-021-1/+1
| | | | | | | | [jejb: limit ioctl to returning 20 characters to avoid overrun on long device names and add a few more conversions] Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] replace __FUNCTION__ with __func__Harvey Harrison2008-07-275-36/+36
| | | | | | | | | | | | [jejb: fixed up a ton of missed conversions. All of you are on notice this has happened, driver trees will now need to be rebased] Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Cc: SCSI List <linux-scsi@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* aic94xx: treat firmware data as constDavid Woodhouse2008-07-103-11/+12
| | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [SCSI] aic94xx: fix section mismatchSam Ravnborg2008-05-021-3/+3
| | | | | | | | | | | | | | | Fix following warnings: WARNING: vmlinux.o(.data+0x17aa88): Section mismatch in reference from the variable asd_pcidev_data to the function .devinit.text:asd_aic9410_setup() WARNING: vmlinux.o(.data+0x17aa98): Section mismatch in reference from the variable asd_pcidev_data to the function .devinit.text:asd_aic9410_setup() WARNING: vmlinux.o(.data+0x17aaa8): Section mismatch in reference from the variable asd_pcidev_data to the function .devinit.text:asd_aic9405_setup() asd_pcidev_data is only used by __devinit asd_pci_probe. So mark is const and annotate it __devinitconst to fix the warnings. [akpm@linux-foundation.org: fix warning] Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] aic94xx: cleanupsAdrian Bunk2008-04-0713-113/+87
| | | | | | | | | | | | - static functions in .c files shouldn't be marked inline - make needlessly global code static - remove the unused aic94xx_seq.c:asd_unpause_lseq() - #if 0 other unused code [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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