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* | Merge tag 'scsi-for-linus' of ↵Linus Torvalds2014-10-07
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI updates from James Bottomley: "This patch set consists of the usual driver updates (megaraid_sas, arcmsr, be2iscsi, lpfc, mpt2sas, mpt3sas, qla2xxx, ufs) plus several assorted fixes and miscellaneous updates (including the pci_msix_enable_range() changes that have been pending for a while)" * tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (202 commits) scsi: add a CONFIG_SCSI_MQ_DEFAULT option ufs: definitions for phy interface ufs: tune bkops while power managment events ufs: Add support for clock scaling using devfreq framework ufs: Add freq-table-hz property for UFS device ufs: Add support for clock gating ufs: refactor configuring power mode ufs: add UFS power management support ufs: introduce well known logical unit in ufs ufs: manually add well known logical units ufs: Active Power Mode - configuring bActiveICCLevel ufs: improve init sequence ufs: refactor query descriptor API support ufs: add voting support for host controller power ufs: Add clock initialization support ufs: Add regulator enable support ufs: Allow vendor specific initialization scsi: don't add scsi_device if its already visible scsi: fix the type for well known LUs scsi: fix comment in struct Scsi_Host definition ...
| * | qla2xxx: Add memory barrier before ringing doorbell.Himanshu Madhani2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Add flags for tracing the target commands.Saurav Kashyap2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Fix hang due to cmd_kref not decrementingQuinn Tran2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Quinn Tran <quinn.tran@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Do not send SS_RESIDUAL_UNDER with SAM_STAT_BUSYHimanshu Madhani2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Add support for QFull throttling and Term Exchange retryQuinn Tran2014-09-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Through the qla target code, the qlt_send_term_exchange() routine is used in various different places to cleanup an exchange. For the case of IOCB request queue is full, the exchange is left unhandled/ dangling. Existing code does not have re-try logic to cleanup the exchange. This patch add retry logic to cleanup the exchange before letting new commands through. For the case of FW running out of exchanges, driver need to reply SAM_STAT_BUSY to the initiators. This patch add a pending queue for the busy reply in case IOCB queue is unable to handle the cmd. Cc: <stable@vger.kernel.org> Signed-off-by: Quinn Tran <quinn.tran@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Increase the request queue size to 8K for ISP2031Saurav Kashyap2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Host reset handling in ABTS path.Arun Easi2014-09-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ABTS path takes path similar to regular task management, but reset_count was not initialized when allocating mcmd causing the response to get dropped in qlt_xmit_tm_rsp. Fix this by initializing reset_count correctly. Signed-off-by: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Handle chip reset in target mode.Arun Easi2014-09-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A chip reset can occur after driver submits command to the stack. Abort command processing if a chip reset has occurred or in progress when you get a follow up for a command. Signed-off-by: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Add Host reset handling in target mode.Arun Easi2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: fix crash due to task mgmt cmd typeHimanshu Madhani2014-09-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | tcm_qla2xxx_get_task_tag incorrectly assume command is qla_tgt_cmd. Add check to see if it's a scsi cmd or task mgmt command. Signed-off-by: Quinn Tran <quinn.tran@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Add counter for messageSaurav Kashyap2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Enable SLER conditionally in target mode.Arun Easi2014-09-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sequence level error recovery (aka FC Tape) is not really required for disk devices. On heavily loaded system, with slow turn around, a bunch of status enquiries using REC puts additional burden to the target, so just turn off SLER by default. Signed-off-by: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Remove verbose messages in target mode.Arun Easi2014-09-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Turning logging bits for target mode ON dumps quite a lot verbose messages, remove those and change some of the IO path logging to use IO bits. Signed-off-by: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Increase room in request queue for sending priority packetsHimanshu Madhani2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Use correct offset to req-q-out for reserve calculationArun Easi2014-09-25
| | | | | | | | | | | | | | | | | | | | | Cc: <stable@vger.kernel.org> Signed-off-by: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: fix kernel NULL pointer accessHimanshu Madhani2014-09-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch is to fix regression added by commit id 51a07f84649d2be206c4c2ad9a612956db0c2f8c. When allocating memory for new session original patch does not assign vha to op->vha resulting into NULL pointer access during qlt_create_sess_from_atio(). Cc: <stable@vger.kernel.org> Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Fix sparse warnings in tcm_qla2xxx.cHimanshu Madhani2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Update the driver version to 8.07.00.16-k.Saurav Kashyap2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Fix sparse warning in qla_iocb.c file.Joe Carnuccio2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Move warning message to debug level.Sawan Chandak2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Sawan Chandak <sawan.chandak@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Fail adapter initialization on load ram failure.Chad Dupuis2014-09-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If we fail to load one of the segments of firmware fail the operation instead of trying to continue which will lead to a system crash since the pointers to the next segment will not be updated correctly. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Disable PCI device in shutdown handler.Chad Dupuis2014-09-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | Disable the PCI device during shutdown to prevent any races with other PCI code such as the AER handling code. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Mark port lost when we receive an RSCN for it.Chad Dupuis2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Restore WWPN in case of Loop Dead.Himanshu Madhani2014-09-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | For FA-WWPN capable device, ISP2031 and ISP27XX, when loop dead is detected by a driver, restore WWPN from NVRAM. Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Honor FCP_RSP retry delay timer field.Chad Dupuis2014-09-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Parse the retry delay timer field from the FCP response data and if: - It is not zero - The SCSI status is busy or queue full return SCSI_MLQUEUE_TARGET_BUSY for the number of milliseconds specified in the retry delay timer field. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Add missing ISP27xx checks to optrom code.Alex Vechersky2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Alex Vechersky <alex.vechersky@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Force use of mailbox interface for flash access commands for ISP27xx.Chad Dupuis2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Free sysfs attributes for ISP27xx.Nigel Kirkland2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Nigel Kirkland <nigel.kirkland@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Disable laser for ISP2031 while unloading driver.Himanshu Madhani2014-09-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Nameserver data on FC switch is not refreshed when qla2xxx driver is unloaded. Disabling laser for ISP2031 will force FC switch to rescan ports and clear fdmi entries from Nameserver. Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Enable diagnostic port using NVRAM parameters.Himanshu Madhani2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Declaration error cause stack corruption.Quinn Tran2014-09-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | Declaration error of mb array in qla2x00_iidma_fcport cause data to be written beyond the array. This ends up causing stack corruption. Signed-off-by: Quinn Tran <quinn.tran@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Add fix in driver unload for pending activity.Sawan Chandak2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Sawan Chandak <sawan.chandak@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Unload of qla2xxx driver crashes the machine.Arun Easi2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Allow user to change ql2xfdmienable value.Himanshu Madhani2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Fix driver version string message.Himanshu Madhani2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Add diagnostic port functionality.Joe Carnuccio2014-09-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for the D-port (diagnostic port) fabric switch feature. (Fabric Switch initiates loopback style port testing) Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Add FA-WWN functionality.Joe Carnuccio2014-09-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for the FA-WWN (fabric assigned wwn) fabric switch feature. (Fabric Assigned World Wide Port Name) Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Add FDMI-2 functionality.Himanshu Madhani2014-09-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for the FDMI-2 fabric switch feature. Since FDMI-2 uses code from FDMI-1, some of the existing code needed to be repaired to prevent fields from being overflowed. Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: ISPFx00 unexpected resets during adapter boot sequence.Jan Kulich2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Jan Kulich <jan.kulich@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Incorrect linked list semantic in qlafx00_get_fcport().Joe Carnuccio2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Incorrect debug level on mailbox command print 0x1111.Joe Carnuccio2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: ISPFX00 avoid writing semaphore register in request_irqs().Joe Carnuccio2014-09-25
| | | | | | | | | | | | | | | | | | | | | | | | Semaphore register does not exist for ISPFx00. Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Fix potential return count bug in qla2xxx_get_vpd_field().Joe Carnuccio2014-09-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Call scnprintf() instead of snprintf() since the latter may return an incorrect count in cases where the write is truncated to fit. scnprintf() returns the count of what was actually written; snprintf() returns the count of what would have been written. Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: ISP27xx fwdump template error print simplification.Joe Carnuccio2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: ISP25xx multiqueue shadow register crash fix.Joe Carnuccio2014-09-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When creating request/response queues from qla25xx_setup_mode(), the shadow index register pointers were not being initialized to point at the registers. Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Add endianizer to max_payload_size modifier.Joe Carnuccio2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Enable fast flash access for ISP83xx.Chad Dupuis2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: Add ISP27xx fwdump template entry T275 (insert buffer).Joe Carnuccio2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
| * | qla2xxx: ISP27xx fwdump template fix insertbuf() routine.Joe Carnuccio2014-09-25
| | | | | | | | | | | | | | | | | | Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
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