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* Merge tag 'scsi-for-linus' of ↵Linus Torvalds2013-07-1346-529/+828
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull final round of SCSI updates from James Bottomley: "This is the remaining set of SCSI patches for the merge window. It's mostly driver updates (scsi_debug, qla2xxx, storvsc, mp3sas). There are also several bug fixes in fcoe, libfc, and megaraid_sas. We also have a couple of core changes to try to make device destruction more deterministic" * tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (46 commits) [SCSI] scsi constants: command, sense key + additional sense strings fcoe: Reduce number of sparse warnings fcoe: Stop fc_rport_priv structure leak libfcoe: Fix meaningless log statement libfc: Differentiate echange timer cancellation debug statements libfc: Remove extra space in fc_exch_timer_cancel definition fcoe: fix the link error status block sparse warnings fcoe: Fix smatch warning in fcoe_fdmi_info function libfc: Reject PLOGI from nodes with incompatible role [SCSI] enable destruction of blocked devices which fail LUN scanning [SCSI] Fix race between starved list and device removal [SCSI] megaraid_sas: fix a bug for 64 bit arches [SCSI] scsi_debug: reduce duplication between prot_verify_read and prot_verify_write [SCSI] scsi_debug: simplify offset calculation for dif_storep [SCSI] scsi_debug: invalidate protection info for unmapped region [SCSI] scsi_debug: fix NULL pointer dereference with parameters dif=0 dix=1 [SCSI] scsi_debug: fix incorrectly nested kmap_atomic() [SCSI] scsi_debug: fix invalid address passed to kunmap_atomic() [SCSI] mpt3sas: Bump driver version to v02.100.00.00 [SCSI] mpt3sas: when async scanning is enabled then while scanning, devices are removed but their transport layer entries are not removed ...
| * Merge tag 'fcoe' into for-linusJames Bottomley2013-07-136-47/+66
| |\ | | | | | | | | | | | | | | | | | | A short series of fixes to libfc, libfcoe and fcoe. Most patches fix formatting problems, one changes the behavior of which discovered ports can/will be logged into and another fixes a memory leak.
| | * fcoe: Reduce number of sparse warningsBart Van Assche2013-07-091-12/+12
| | | | | | | | | | | | | | | | | | | | | | | | Declare local variables and functions 'static'. This patch does not change any functionality. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Robert Love <robert.w.love@intel.com>
| | * fcoe: Stop fc_rport_priv structure leakMark Rustad2013-07-091-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When repeatedly doing rmmod and modprobe on the ixgbe driver while FCoE is active in a VN2VN configuration, memory leaks would be discovered by kmemleak with the following backtrace: unreferenced object 0xffff88003d076000 (size 1024): comm "kworker/0:3", pid 2998, jiffies 4295436448 (age 1015.332s) hex dump (first 32 bytes): 48 8a fe 6f 00 88 ff ff 00 00 00 00 00 00 00 00 H..o............ 01 00 00 00 02 00 00 00 7b ac 87 21 1b 00 00 10 ........{..!.... backtrace: [<ffffffff814b308b>] kmemleak_alloc+0x5b/0xc0 [<ffffffff8115c6e8>] __kmalloc+0xd8/0x1b0 [<ffffffffa0216638>] fc_rport_create+0x48/0x1f0 [libfc] [<ffffffffa023cd86>] fcoe_ctlr_vn_add.isra.10+0x56/0x1a0 [libfcoe] [<ffffffffa023f440>] fcoe_ctlr_vn_recv+0x8b0/0xab0 [libfcoe] [<ffffffffa023fb06>] fcoe_ctlr_recv_work+0x4c6/0xf60 [libfcoe] [<ffffffff81067404>] process_one_work+0x1e4/0x4d0 [<ffffffff81068def>] worker_thread+0x10f/0x380 [<ffffffff8107019a>] kthread+0xea/0xf0 [<ffffffff814d32ec>] ret_from_fork+0x7c/0xb0 [<ffffffffffffffff>] 0xffffffffffffffff This patch stops the leak of the fc_rport_priv structure. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Jack Morgan <jack.morgan@intel.com> Signed-off-by: Robert Love <robert.w.love@intel.com>
| | * libfcoe: Fix meaningless log statementRobert Love2013-07-091-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ctlr_dev was initialized to NULL, and never re-assigned. This caused the log statement to always report failure. This patch removes the unused variable and fixes the log statement to always report 'success', as that is what should be logged if the code reaches this point. Signed-off-by: Robert Love <robert.w.love@intel.com> Tested-by: Jack Morgan <jack.morgan@intel.com> Acked-by: Neil Horman <nhorman@tuxdriver.com>
| | * libfc: Differentiate echange timer cancellation debug statementsRobert Love2013-07-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are two debug statements with the same output string regarding echange timer cancellation. This patch simply changes the output of one string so that they can be differentiated. Signed-off-by: Robert Love <robert.w.love@intel.com> Tested-by: Jack Morgan <jack.morgan@intel.com> Acked-by: Neil Horman <nhorman@tuxdriver.com>
| | * libfc: Remove extra space in fc_exch_timer_cancel definitionRobert Love2013-07-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Simply remove an extra space that violates coding style. Signed-off-by: Robert Love <robert.w.love@intel.com> Tested-by: Jack Morgan <jack.morgan@intel.com> Acked-by: Neil Horman <nhorman@tuxdriver.com>
| | * fcoe: fix the link error status block sparse warningsYi Zou2013-07-091-18/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Both fcoe_fc_els_lesb and fc_els_lesb are in __be32 already, and both are exactly the same size in bytes, with somewhat different member names to reflect the fact the former is for Ethernet media the latter is for Fiber Channel, so, remove conversion and use __be32 directly. This fixes the warning from sparse check. Signed-off-by: Yi Zou <yi.zou@intel.com> Reported-by: Fengguang Wu <fengguang.wu@intel.com> Tested-by: Jack Morgan <jack.morgan@intel.com> Signed-off-by: Robert Love <robert.w.love@intel.com>
| | * fcoe: Fix smatch warning in fcoe_fdmi_info functionNeerav Parikh2013-07-091-11/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes a smatch warning as below: smatch warnings: drivers/scsi/fcoe/fcoe.c:782 fcoe_fdmi_info() warn: 'fdmi' puts 896 bytes on stack Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Neerav Parikh <Neerav.Parikh@intel.com> Tested-by: Jack Morgan <jack.morgan@intel.com> Signed-off-by: Robert Love <robert.w.love@intel.com>
| | * libfc: Reject PLOGI from nodes with incompatible roleMark Rustad2013-07-091-0/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reject a PLOGI from a node with an incompatible role, that is, initiator-to-initiator or target-to-target. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Reviewed-by: Yi Zou <yi.zou@intel.com> Tested-by: Jack Morgan <jack.morgan@intel.com> Signed-off-by: Robert Love <robert.w.love@intel.com>
| * | [SCSI] scsi constants: command, sense key + additional sense stringsDouglas Gilbert2013-07-091-48/+187
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It has been several years since the SCSI constants.c file has been updated. The attached is against lk 3.10 and brings the command strings, sense keys and additional sense code strings into sync with spc4r36g.pdf. Certain SCSI command names that previously only took the opcode (i.e. byte 0 of the cdb) into account, have been split into several command names using the associated service action field to differentiate. For example, persistent reservations that previously had 2 commands (i.e. "in" and "out") have been expanded to 12 commands (e.g. "Persistent reserve in, read reservation"). Sync SCSI command names, sense key strings and additional sense code strings with SPC-4 draft revision 36g [jejb: whitespace fix] Signed-off-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] enable destruction of blocked devices which fail LUN scanningBart Van Assche2013-07-091-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If something goes wrong during LUN scanning, e.g. a transport layer failure occurs, then __scsi_remove_device() can get invoked by the LUN scanning code for a SCSI device in state SDEV_CREATED_BLOCK and before the SCSI device has been added to sysfs (is_visible == 0). Make sure that even in this case the transition into state SDEV_DEL occurs. This avoids that __scsi_remove_device() can get invoked a second time by scsi_forget_host() if this last function is invoked from another thread than the thread that performs LUN scanning. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] Fix race between starved list and device removalJames Bottomley2013-07-091-5/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | scsi_run_queue() examines all SCSI devices that are present on the starved list. Since scsi_run_queue() unlocks the SCSI host lock a SCSI device can get removed after it has been removed from the starved list and before its queue is run. Protect against that race condition by holding a reference on the queue while running it. Reported-by: Chanho Min <chanho.min@lge.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] megaraid_sas: fix a bug for 64 bit archesDan Carpenter2013-07-091-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | On 64 bit then -1UL and -1U are not equal, so these conditions don't work as intended and it breaks error handling. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Sumit Saxena <sumit.saxena@lsi.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] scsi_debug: reduce duplication between prot_verify_read and ↵Akinobu Mita2013-07-091-85/+52
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | prot_verify_write In order to reduce code duplication between prot_verify_read() and prot_verify_write(), this moves common code into the new functions. [jejb: fix unitialised variable warning] Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Acked-by: "Martin K. Petersen" <martin.petersen@oracle.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] scsi_debug: simplify offset calculation for dif_storepAkinobu Mita2013-07-091-11/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | dif_storep is declared as pointer to unsigned char type. But it is actually used to store vmalloced array of struct sd_dif_tuple. This changes the type of dif_storep to the pointer to struct sd_dif_tuple. It simplifies offset calculation for dif_storep and enables to remove hardcoded size of struct sd_dif_tuple. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Acked-by: "Martin K. Petersen" <martin.petersen@oracle.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] scsi_debug: invalidate protection info for unmapped regionAkinobu Mita2013-07-091-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When UNMAP command is issued with the data integrity support enabled, the protection info for the unmapped region is remain unchanged. So READ command for the region later on causes data integrity failure. This fixes it by invalidating protection info for the unmapped region by filling with 0xff pattern. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Acked-by: "Martin K. Petersen" <martin.petersen@oracle.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] scsi_debug: fix NULL pointer dereference with parameters dif=0 dix=1Akinobu Mita2013-07-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The protection info dif_storep is allocated only when parameter dif is not zero. But it will be accessed when reading or writing to the storage installed with parameter dix is not zero. So kernel crashes if scsi_debug module is loaded with parameters dix=1 and dif=0. This fixes it by making dif_storep available if parameter dix is not zero instead of checking if parameter dif is not zero. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Acked-by: "Martin K. Petersen" <martin.petersen@oracle.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] scsi_debug: fix incorrectly nested kmap_atomic()Akinobu Mita2013-07-091-4/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In the function prot_verify_write(), kmap_atomic()/kunmap_atomic() for data page and kmap_atomic()/kunmap_atomic() for protection information page are not nested each other. It worked perfectly before commit 3e4d3af501cccdc8a8cca41bdbe57d54ad7e7e73 ("mm: stack based kmap_atomic()"). Because the kmap_atomic slot KM_IRQ0 was used for data page and the slot KM_IRQ1 was used for protection page. But KM_types are gone and kmap_atomic() is using stack based implementation. So two different kmap_atomic() usages must be strictly nested now. This change ensures kmap_atomic() usage is strictly nested. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Acked-by: "Martin K. Petersen" <martin.petersen@oracle.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] scsi_debug: fix invalid address passed to kunmap_atomic()Akinobu Mita2013-07-091-7/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In the function prot_verify_write(), the kmap address 'daddr' is incremented in the loop for each data page. Finally 'daddr' reaches the next page boundary in the end of the loop, and the invalid address is passed to kunmap_atomic(). Fix the issue by not incrementing 'daddr' in the loop and offsetting it by the loop counter on demand. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Acked-by: "Martin K. Petersen" <martin.petersen@oracle.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] mpt3sas: Bump driver version to v02.100.00.00Sreekanth Reddy2013-07-091-3/+3
| | | | | | | | | | | | | | | | | | | | | Bump driver version to v02.100.00.00. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] mpt3sas: when async scanning is enabled then while scanning, devices ↵Sreekanth Reddy2013-07-091-9/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | are removed but their transport layer entries are not removed When Async scanning mode is enabled and device scanning is in progress, devices should not be removed. But in actuality, devices are removed but their transport layer entries are not removed. This causes error to add the same device to the transport layer after host reset or diagnostic reset. So, in this patch, modified the code in such a way that device is not removed when Async scanning mode is enabled and device scanning is in progress. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] mpt3sas: MPI2.5 Rev F v2.5.1.1 specificationSreekanth Reddy2013-07-098-18/+45
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change set in MPI v2.5 Rev F(v2.5.1.1) specification and 2.00.29 header files 1. Added a bit to the IOCExceptions field of the IOCFacts Reply to indicate that the IOC detected a partial memory failure. 2. Added ElapsedSeconds field to RAID Volume Indicator Structure. Added Elapsed Seconds Valid flag to Flags field of this structure. 3. Added ElapsedSeconds field to Integrated RAID Operations Status Event Data. 4. Added two new AbortType values for TargetModeAbort Request, one to abort all I/Os from a single initiator, and the other to abort only Command IUs. 5. Added a new chapter covering DMA Flags and Multicast Modes. 6. In the IOCSettings field of BIOS Page 1, modified the Adapter Support bits description to specify X86 BIOS. 7. Marked bit 0 of the ControlFlags field of SAS IO Unit Page 1 as obsolete. This was the Clear SATA Affiliation flag. 8. Added additional requirements for certain IOCs that support more than eight MSI-x vectors. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] mpt3sas: Infinite loops can occur if ↵Sreekanth Reddy2013-07-091-12/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | MPI2_IOCSTATUS_CONFIG_INVALID_PAGE is not returned Infinite loop can occur if IOCStatus is not equal to MPI2_IOCSTATUS_CONFIG_INVALID_PAGE value in the while loops in functions _scsih_search_responding_sas_devices, _scsih_search_responding_raid_devices and _scsih_search_responding_expanders So, Instead of checking for MPI2_IOCSTATUS_CONFIG_INVALID_PAGE value, in this patch code is modified to check for IOCStatus not equals to MPI2_IOCSTATUS_SUCCESS to break the while loop. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com> Cc: stable@vger.kernel.org Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] mpt3sas: fix for kernel panic when driver loads with HBA conected to ↵Sreekanth Reddy2013-07-091-0/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | non LUN 0 configured expander With some enclosures when LUN 0 is not created but LUN 1 or LUN X is created then SCSI scan procedure calls target_alloc, slave_alloc call back functions for LUN 0 and slave_destory() for same LUN 0. In these kind of cases within slave_destroy, pointer to scsi_target in _sas_device structure is set to NULL, following which when slave_alloc for LUN 1 is called then starget would not be set properly for this LUN. So, scsi_target pointer pointing to NULL value would lead to a crash later in the discovery procedure. To solve this issue set the sas_device's scsi_target pointer to scsi_device's scsi_target if it is NULL earlier in slave_alloc callback function. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com> Cc: stable@vger.kernel.org Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] mpt3sas: Updated the Hardware timing requirementsSreekanth Reddy2013-07-091-7/+13
| | | | | | | | | | | | | | | | | | | | | | | | Hardware timing requirements is updated in order to comply with firmware requirement. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] mpt3sas: 2013 source code copyrightSreekanth Reddy2013-07-0911-11/+11
| | | | | | | | | | | | | | | | | | | | | The Copyright String in all mpt3sas files are changed to 2012-2013. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] qla2xxx: Fix a memory leak in an error path of qla2x00_process_els()Bart Van Assche2013-07-081-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Avoid that the fcport structure gets leaked if bsg_job->request->msgcode == FC_BSG_HST_ELS_NOLOGIN, the fcport allocation succeeds and the !vha->flags.online branch is taken. This was detected by Coverity. However, Coverity does not recognize that all qla2x00_process_els() callers specify either FC_BSG_RPT_ELS or FC_BSG_HST_ELS_NOLOGIN in the field bsg_job->request->msgcode and that the value of that field is not modified inside that function. This results in a false positive report about a possible memory leak in an error path for bsg_job->request->msgcode values other than the two mentioned values. Make it easy for Coverity (and for humans) to recognize that there is no fcport leak in the error path by changing the bsg_job->request->msgcode == FC_BSG_HST_ELS_NOLOGIN test into bsg_job->request->msgcode != FC_BSG_RPT_ELS. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] qla2xxx: Remove an unused variable from qla2x00_remove_one().Bart Van Assche2013-07-081-3/+1
| | | | | | | | | | | | | | | | | | Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] qla2xxx: Fix qla2xxx_check_risc_status().Bart Van Assche2013-07-081-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change the 'rval' variable from QLA_FUNCTION_TIMEOUT into QLA_SUCCESS before starting a loop that is only executed if rval is initialized to QLA_SUCCESS. Coverity reported that loop as "dead code". Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] qla2xxx: Help Coverity with analyzing ct_sns_pkt initialization.Bart Van Assche2013-07-081-44/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Coverity reports "Overrunning struct type ct_sns_req of 1228 bytes by passing it to a function which accesses it at byte offset 8207" for each qla2x00_prep_ct_req(), qla2x00_prep_ct_fdmi_req() and qla24xx_prep_ct_fm_req() call. Help Coverity to recognize that these calls do not trigger a buffer overflow by making it explicit that these three functions initializes both the request and reply structures. This patch does not change any functionality. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] qla2xxx: Remove redundant assignments.Bart Van Assche2013-07-081-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The value of the pointer called "nxt" is not used after the "nxt = qla24xx_copy_eft(ha, nxt)" statement. Hence keep the function call but remove the assignment. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] qla2xxx: Remove a dead assignment in qla24xx_build_scsi_crc_2_iocbs().Bart Van Assche2013-07-081-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since the value of cur_seg is not used and since scsi_prot_sglist() has no side effects it is safe to remove the statement "cur_seg = scsi_port_sglist(cmd)". Detected by Coverity. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] qla2xxx: Remove two superfluous tests.Bart Van Assche2013-07-082-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | Since ha->model_desc is an array comparing it against NULL is superfluous. Hence remove these tests. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] qla2xxx: Remove dead code in qla2x00_configure_hba()Bart Van Assche2013-07-082-8/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | At the end of qla2x00_configure_hba() we know that rval == QLA_SUCCESS. Hence remove the dead code. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] qla2xxx: Clean up qla84xx_mgmt_cmd()Bart Van Assche2013-07-082-10/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | Remove dead code, simplify a pointer computation and move the ql84_mgmt assignment to just before its first use. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] qla2xxx: Clean up qla24xx_iidma()Bart Van Assche2013-07-082-9/+3
| | | | | | | | | | | | | | | | | | | | | | | | Remove dead code and simplify a pointer computation. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] qla2xxx: Fix sparse warning from qla_mr.c and qla_iocb.c.Saurav Kashyap2013-07-086-150/+157
| | | | | | | | | | | | | | | | | | Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] qla2xxx: Do not take a second firmware dump when intentionally ↵Chad Dupuis2013-07-081-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | generating one. When we are intentionally generating a firmware dump by executing the MBC_GEN_SYSTEM_ERROR command, the command actually times out. The normal course of action when a mailbox command times out is to take a firmware dump. However, in this special case we do not want to do this since the MBA_SYSTEM_ERR AEN already generates a firmware dump. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] qla2xxx: Do not query FC statistics during chip reset.Chad Dupuis2013-07-081-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | During a chip reset, the mailbox call to get FC statistics from the ISP will not work resulting in needless mailbox accesses and errors printing out: qla2xxx [0000:05:00.0]-00af:11: Performing ISP error recovery - ha=ffff881fad044800. qla2xxx [0000:05:00.0]-1020:11: **** Failed mbx[0]=4001, mb[1]=4953, mb[2]=5020, mb[3]=b100, cmd=6d ****. qla2xxx [0000:05:00.0]-1020:11: **** Failed mbx[0]=4001, mb[1]=4953, mb[2]=5020, mb[3]=b100, cmd=6d ****. qla2xxx [0000:05:00.0]-1020:11: **** Failed mbx[0]=4001, mb[1]=4953, mb[2]=5020, mb[3]=b100, cmd=6d ****. qla2xxx [0000:05:00.0]-1020:11: **** Failed mbx[0]=4001, mb[1]=4953, mb[2]=5020, mb[3]=b100, cmd=6d ****. qla2xxx [0000:05:00.0]-1020:11: **** Failed mbx[0]=4001, mb[1]=4953, mb[2]=5020, mb[3]=b100, cmd=6d ****. To prevent this, check for a chip reset when an application queries for FC stats and return immediately if a chip reset is occurring. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] qla2xxx: Move qla2x00_free_device to the correct location.Saurav Kashyap2013-07-081-2/+1
| | | | | | | | | | | | | | | | | | Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] qla2xxx: Set the index in outstanding command array to NULL when cmd ↵Giridhar Malavali2013-07-081-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | is aborted when the request timeout. Call the generic BSG free routine to unmap the DMA buffers. Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] qla2xxx: Clear the MBX_INTR_WAIT flag when the mailbox time-out happens.Giridhar Malavali2013-07-082-3/+9
| | | | | | | | | | | | | | | | | | Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] storvsc: Increase the value of STORVSC_MAX_IO_REQUESTSK. Y. Srinivasan2013-07-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | Increase the value of STORVSC_MAX_IO_REQUESTS to 200 requests. The current ringbuffer size can support this higher value. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] storvsc: Support FC devicesK. Y. Srinivasan2013-07-081-0/+6
| | | | | | | | | | | | | | | | | | Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] storvsc: Implement multi-channel supportK. Y. Srinivasan2013-07-081-4/+127
| | | | | | | | | | | | | | | | | | Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] pm8001: use pdev->pm_cap instead of pci_find_capability(..,PCI_CAP_ID_PM)Yijing Wang2013-07-051-4/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pci core has been saved pm cap register offset by pdev->pm_cap in pci_pm_init() in init path. So we can use pdev->pm_cap instead of using pci_find_capability(pdev, PCI_CAP_ID_PM) for better performance and simplified code. Tested-by: Lindar Liu <lindar_liu@usish.com> Signed-off-by: Yijing Wang <wangyijing@huawei.com> Acked-by: Lindar Liu <lindar_liu@usish.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * | [SCSI] megaraid_sas: fix memory leak if SGL has zero length entriesBjørn Mork2013-07-051-4/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 98cb7e44 ([SCSI] megaraid_sas: Sanity check user supplied length before passing it to dma_alloc_coherent()) introduced a memory leak. Memory allocated for entries following zero length SGL entries will not be freed. Reference: http://bugs.debian.org/688198 Signed-off-by: Bjørn Mork <bjorn@mork.no> Cc: <stable@vger.kernel.org> Acked-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* | | Merge branch 'for-next' of ↵Linus Torvalds2013-07-112-143/+18
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending Pull SCSI target updates from Nicholas Bellinger: "Lots of activity this round on performance improvements in target-core while benchmarking the prototype scsi-mq initiator code with vhost-scsi fabric ports, along with a number of iscsi/iser-target improvements and hardening fixes for exception path cases post v3.10 merge. The highlights include: - Make persistent reservations APTPL buffer allocated on-demand, and drop per t10_reservation buffer. (grover) - Make virtual LUN=0 a NULLIO device, and skip allocation of NULLIO device pages (grover) - Add transport_cmd_check_stop write_pending bit to avoid extra access of ->t_state_lock is WRITE I/O submission fast-path. (nab) - Drop unnecessary CMD_T_DEV_ACTIVE check from transport_lun_remove_cmd to avoid extra access of ->t_state_lock in release fast-path. (nab) - Avoid extra t_state_lock access in __target_execute_cmd fast-path (nab) - Drop unnecessary vhost-scsi wait_for_tasks=true usage + ->t_state_lock access in release fast-path. (nab) - Convert vhost-scsi to use modern se_cmd->cmd_kref TARGET_SCF_ACK_KREF usage (nab) - Add tracepoints for SCSI commands being processed (roland) - Refactoring of iscsi-target handling of ISCSI_OP_NOOP + ISCSI_OP_TEXT to be transport independent (nab) - Add iscsi-target SendTargets=$IQN support for in-band discovery (nab) - Add iser-target support for in-band discovery (nab + Or) - Add iscsi-target demo-mode TPG authentication context support (nab) - Fix isert_put_reject payload buffer post (nab) - Fix iscsit_add_reject* usage for iser (nab) - Fix iscsit_sequence_cmd reject handling for iser (nab) - Fix ISCSI_OP_SCSI_TMFUNC handling for iser (nab) - Fix session reset bug with RDMA_CM_EVENT_DISCONNECTED (nab) The last five iscsi/iser-target items are CC'ed to stable, as they do address issues present in v3.10 code. They are certainly larger than I'd like for stable patch set, but are important to ensure proper REJECT exception handling in iser-target for 3.10.y" * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (51 commits) iser-target: Ignore non TEXT + LOGOUT opcodes for discovery target: make queue_tm_rsp() return void target: remove unused codes from enum tcm_tmrsp_table iscsi-target: kstrtou* configfs attribute parameter cleanups iscsi-target: Fix tfc_tpg_auth_cit configfs length overflow iscsi-target: Fix tfc_tpg_nacl_auth_cit configfs length overflow iser-target: Add support for ISCSI_OP_TEXT opcode + payload handling iser-target: Rename sense_buf_[dma,len] to pdu_[dma,len] iser-target: Add vendor_err debug output target: Add (obsolete) checking for PMI/LBA fields in READ CAPACITY(10) target: Return correct sense data for IO past the end of a device target: Add tracepoints for SCSI commands being processed iser-target: Fix session reset bug with RDMA_CM_EVENT_DISCONNECTED iscsi-target: Fix ISCSI_OP_SCSI_TMFUNC handling for iser iscsi-target: Fix iscsit_sequence_cmd reject handling for iser iscsi-target: Fix iscsit_add_reject* usage for iser iser-target: Fix isert_put_reject payload buffer post iscsi-target: missing kfree() on error path iscsi-target: Drop left-over iscsi_conn->bad_hdr target: Make core_scsi3_update_and_write_aptpl return sense_reason_t ...
| * | | target: make queue_tm_rsp() return voidJoern Engel2013-07-071-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The return value wasn't checked by any of the callers. Assuming this is correct behaviour, we can simplify some code by not bothering to generate it. nab: Add srpt_queue_data_in() + srpt_queue_tm_rsp() nops around srpt_queue_response() void return Signed-off-by: Joern Engel <joern@logfs.org> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-19 17:59:37 +0000