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* Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds2017-05-041-5/+0Star
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull SCSI updates from James Bottomley: "This update includes the usual round of major driver updates (hisi_sas, ufs, fnic, cxlflash, be2iscsi, ipr, stex). There's also the usual amount of cosmetic and spelling stuff" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (155 commits) scsi: qla4xxx: fix spelling mistake: "Tempalate" -> "Template" scsi: stex: make S6flag static scsi: mac_esp: fix to pass correct device identity to free_irq() scsi: aacraid: pci_alloc_consistent() failures on ARM64 scsi: ufs: make ufshcd_get_lists_status() register operation obvious scsi: ufs: use MASK_EE_STATUS scsi: mac_esp: Replace bogus memory barrier with spinlock scsi: fcoe: make fcoe_e_d_tov and fcoe_r_a_tov static scsi: sd_zbc: Do not write lock zones for reset scsi: sd_zbc: Remove superfluous assignments scsi: sd: sd_zbc: Rename sd_zbc_setup_write_cmnd scsi: Improve scsi_get_sense_info_fld scsi: sd: Cleanup sd_done sense data handling scsi: sd: Improve sd_completed_bytes scsi: sd: Fix function descriptions scsi: mpt3sas: remove redundant wmb scsi: mpt: Move scsi_remove_host() out of mptscsih_remove_host() scsi: sg: reset 'res_in_use' after unlinking reserved array scsi: mvumi: remove code handling zero scsi_sg_count(scmd) case scsi: fusion: fix spelling mistake: "Persistancy" -> "Persistency" ...
| * scsi: esas2r: Remove redundant NULL check on bufferColin Ian King2017-03-171-5/+0Star
| | | | | | | | | | | | | | | | | | | | | | Buffer is a pointer to the static char array event_buffer and therefore can never be null, so the check is redundant. Remove it. Detected by CoverityScan, CID#1077556 ("Logically Dead Code") Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* | esas2r: don't open-code memdup_user()Al Viro2017-04-061-22/+3Star
|/ | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* scsi: esas2r: Fix format string type mistakesEmese Revfy2017-01-104-6/+6
| | | | | | | | | | | This adds the missing __printf attribute which allows compile time format string checking (and will be used by the coming initify gcc plugin). Additionally, this fixes the warnings exposed by the attribute. Signed-off-by: Emese Revfy <re.emese@gmail.com> [kees: split scsi/acpi, merged attr and fix, new commit messages] Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* scsi: esas2r: don't reinitialize adapter's req_tableShawn Lin2016-08-261-4/+0Star
| | | | | | | | req_table is allocate by kzalloc, so we don't need to zero it again. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Acked-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* scsi: esas2r: not need to alloc zero buffer for local_atto_ioctlShawn Lin2016-08-261-1/+1
| | | | | | | | | We don't need to use kzalloc as we will always memset the local_atto_ioctl later. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Acked-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* scsi: rename SCSI_MAX_{SG, SG_CHAIN}_SEGMENTSMing Lin2016-04-151-2/+2
| | | | | | | | | | | | | | | | Rename SCSI_MAX_SG_SEGMENTS to SG_CHUNK_SIZE, which means the amount we fit into a single scatterlist chunk. Rename SCSI_MAX_SG_CHAIN_SEGMENTS to SG_MAX_SEGMENTS. Will move these 2 generic definitions to scatterlist.h later. Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Bart Van Assche <bart.vanassche@sandisk.com> (for ib_srp changes) Signed-off-by: Ming Lin <ming.l@ssi.samsung.com> Acked-by: Tejun Heo <tj@kernel.org> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* esas2r: Fix array overrunAlan2016-02-241-2/+3
| | | | | | | | | | Check the array size *before* dereferencing it with a user provided offset. Signed-off-by: Alan Cox <alan@linux.intel.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* scsi: use host wide tags by defaultChristoph Hellwig2015-11-101-1/+0Star
| | | | | | | | | | | | | 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 Torvalds2015-02-111-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull first round of SCSI updates from James Bottomley: "This is the usual grab bag of driver updates (hpsa, storvsc, mp2sas, megaraid_sas, ses) plus an assortment of minor updates. There's also an update to ufs which adds new phy drivers and finally a new logging infrastructure for SCSI" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (114 commits) scsi_logging: return void for dev_printk() functions scsi: print single-character strings with seq_putc scsi: merge consecutive seq_puts calls scsi: replace seq_printf with seq_puts aha152x: replace seq_printf with seq_puts advansys: replace seq_printf with seq_puts scsi: remove SPRINTF macro sg: remove an unused variable hpsa: Use local workqueues instead of system workqueues hpsa: add in P840ar controller model name hpsa: add in gen9 controller model names hpsa: detect and report failures changing controller transport modes hpsa: shorten the wait for the CISS doorbell mode change ack hpsa: refactor duplicated scan completion code into a new routine hpsa: move SG descriptor set-up out of hpsa_scatter_gather() hpsa: do not use function pointers in fast path command submission hpsa: print CDBs instead of kernel virtual addresses for uncommon errors hpsa: do not use a void pointer for scsi_cmd field of struct CommandList hpsa: return failed from device reset/abort handlers hpsa: check for ctlr lockup after command allocation in main io path ...
| * scsi: print single-character strings with seq_putcRasmus Villemoes2015-02-021-1/+1
| | | | | | | | | | | | | | | | | | Using seq_putc to print a single character saves at least a strlen() call and a memory access, and may also give a small .text reduction. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Christoph Hellwig <hch@lst.de>
* | [SCSI] esas2r: use PCI define for Max_Read_Request_SizeRafał Miłecki2015-01-271-2/+3
|/ | | | | | | Replace a magic number with a PCI #define symbol. [bhelgaas: add parenthesis] Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
* esas2r: Correct typos of "validate" in a commentBoris Bodemann2014-12-041-2/+2
| | | | | | | | Correct typos of "validate" in a comment Signed-off-by: Boris Bodemann <bobo.barbarossa@gmail.com> Acked-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
* scsi: remove ->change_queue_type methodChristoph Hellwig2014-12-041-1/+0Star
| | | | | | | | | | | | 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>
* esas2r: fix an oversight in setting return valueTomas Henzl2014-11-251-1/+4
| | | | | | | | | The patch moves an error code assigment to a 'default' case in the previous switch statement. Signed-off-by: Tomas Henzl <thenzl@redhat.com> Acked-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
* esas2r: fix an error path in esas2r_ioctl_handlerTomas Henzl2014-11-251-3/+4
| | | | | | | | | Is seems strange to manipulate nvram_semaphore when in this place, this patch fixes it. Signed-off-by: Tomas Henzl <thenzl@redhat.com> Acked-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
* esas2r: fir error handling in do_fm_apiTomas Henzl2014-11-251-5/+5
| | | | | | | | This patch fixes an error path and rearranges error handling. Signed-off-by: Tomas Henzl <thenzl@redhat.com> Acked-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
* scsi: drop reason argument from ->change_queue_depthChristoph Hellwig2014-11-242-11/+1Star
| | | | | | | | | | | Drop the now unused reason argument from the ->change_queue_depth method. Also add a return value to scsi_adjust_queue_depth, and rename it to scsi_change_queue_depth now that it can be used as the default ->change_queue_depth implementation. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Reviewed-by: Hannes Reinecke <hare@suse.de>
* scsi: don't set tagging state from scsi_adjust_queue_depthChristoph Hellwig2014-11-122-31/+1Star
| | | | | | | | | | | | | | | | | | | | | | | | | | Remove the tagged argument from scsi_adjust_queue_depth, and just let it handle the queue depth. For most drivers those two are fairly separate, given that most modern drivers don't care about the SCSI "tagged" status of a command at all, and many old drivers allow queuing of multiple untagged commands in the driver. Instead we start out with the ->simple_tags flag set before calling ->slave_configure, which is how all drivers actually looking at ->simple_tags except for one worke anyway. The one other case looks broken, but I've kept the behavior as-is for now. Except for that we only change ->simple_tags from the ->change_queue_type, and when rejecting a tag message in a single driver, so keeping this churn out of scsi_adjust_queue_depth is a clear win. Now that the usage of scsi_adjust_queue_depth is more obvious we can also remove all the trivial instances in ->slave_alloc or ->slave_configure that just set it to the cmd_per_lun default. 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: Martin K. Petersen <martin.petersen@oracle.com>
* scsi: always assign block layer tags if enabledChristoph Hellwig2014-11-121-7/+5Star
| | | | | | | | | | | | | 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: provide a generic change_queue_type methodChristoph Hellwig2014-11-122-20/+1Star
| | | | | | | | | | | Most drivers use exactly the same implementation, so provide it as a library function. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bvanassche@acm.org> 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: correct return values for .eh_abort_handler implementationsHannes Reinecke2014-11-121-1/+1
| | | | | | | | | | The .eh_abort_handler needs to return SUCCESS, FAILED, or FAST_IO_FAIL. So fixup all callers to adhere to this requirement. Reviewed-by: Robert Elliott <elliott@hp.com> Cc: <stable@vger.kernel.org> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de>
* esas2r: Fix commentMarek Vasut2014-05-191-1/+1
| | | | | | | | | | Minor fix for a message in the driver so that it matches the function name. Signed-off-by: Marek Vasut <marex@denx.de> Cc: James Bottomley <JBottomley@Parallels.com> Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Acked-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
* [SCSI] remove deprecated IRQF_DISABLED from SCSIMichael Opdenacker2014-03-191-1/+1
| | | | | | | | It's a NOOP since 2.6.35 and it will be removed one day. [jejb: remove from missed arm scsi drivers] Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] esas2r: fix potential format string flawKees Cook2014-03-151-6/+2Star
| | | | | | | | | This makes sure format strings cannot leak into the printk call via the constructed buffer. Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] esas2r: Cleanup snprinf formatting of firmware versionBradley Grove2013-10-251-3/+3
| | | | | Signed-off-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] esas2r: Remove superfluous mask of pcie_cap_regBradley Grove2013-10-251-1/+1
| | | | | Signed-off-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] esas2r: Fixes for big-endian platformsBradley Grove2013-10-252-9/+9
| | | | | | | | | | | | | | In esas2r_format_init_msg(), sgl_page_size and epoch_time params are converted to little endian and the firmware version read from the hba is converted to cpu endianess. In esas2r_rq_init_request, correct and simplify the construction of the SCSI handle. These fixes are the result of testing on a PPC64 machine. Signed-off-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] esas2r: Directly call kernel functions for atomic bit operationsBradley Grove2013-10-2510-306/+291Star
| | | | | | | | | | | Previously the code embedded the kernel's test_bit/clear_bit functions in wrappers that accepted u32 parameters. The wrapper cast these parameters to longs before passing them to the kernel's bit functions. This did not work properly on platforms with 64-bit longs. Signed-off-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] esas2r: Remove null test for stack allocated fw_coredump_bufferBradley Grove2013-09-061-2/+1Star
| | | | | | Reported-by: Dave Jones <davej@redhat.com> Signed-off-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] esas2r: coccinelle - Replace memcpy with struct assignmentBradley Grove2013-09-061-2/+2
| | | | | | Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] esas2r: smatch - Remove test for impossible condition (uint8 > 255)Bradley Grove2013-09-061-1/+1
| | | | | | Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] esas2r: smatch - Fix overrun due to sprintf appending NULLBradley Grove2013-09-061-2/+5
| | | | | | Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] esas2r: smatch - Fix dereference that occurs prior to checkBradley Grove2013-09-062-2/+8
| | | | | | Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] esas2r: smatch - Use biwise rather than logical AND for checking if ↵Bradley Grove2013-09-061-1/+1
| | | | | | | | any bit set Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] esas2r: ATTO Technology ExpressSAS 6G SAS/SATA RAID Adapter DriverBradley Grove2013-09-0316-0/+15660
This is a new driver for ATTO Technology's ExpressSAS series of hardware RAID adapters. It supports the following adapters: - ExpressSAS R60F - ExpressSAS R680 - ExpressSAS R608 - ExpressSAS R644 Signed-off-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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