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6e8e1c14c6
linux/drivers/scsi/lpfc
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James Smart 6e8e1c14c6 scsi: lpfc: Add WQ Full Logic for NVME Target 
I/O conditions on the nvme target may have the driver submitting to a
full hardware wq. The hardware wq is a shared resource among all nvme
controllers. When the driver hit a full wq, it failed the io posting
back to the nvme-fc transport, which then escalated it into errors.

Correct by maintaining a sideband queue within the driver that is added
to when the WQ full condition is hit, and drained from as soon as new WQ
space opens up.

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-02-12 11:43:23 -05:00
..
lpfc_attr.c Driver Core updates for 4.16-rc1 2018-02-01 10:00:28 -08:00
lpfc_attr.h scsi: lpfc: Add Buffer to Buffer credit recovery support 2017-08-24 22:29:43 -04:00
lpfc_bsg.c scsi: lpfc: Fix crash receiving ELS while detaching driver 2017-10-02 22:46:33 -04:00
lpfc_bsg.h scsi: lpfc: Update copyrights 2017-02-22 18:41:44 -05:00
lpfc_compat.h scsi: lpfc: Update copyrights 2017-02-22 18:41:44 -05:00
lpfc_crtn.h scsi: lpfc: Add WQ Full Logic for NVME Target 2018-02-12 11:43:23 -05:00
lpfc_ct.c scsi: lpfc: Fix SCSI LUN discovery when SCSI and NVME enabled 2017-12-20 21:11:46 -05:00
lpfc_debugfs.c scsi: lpfc: Beef up stat counters for debug 2017-12-20 21:11:48 -05:00
lpfc_debugfs.h scsi: lpfc: avoid false-positive gcc-8 warning 2017-08-25 18:26:52 -04:00
lpfc_disc.h scsi: lpfc: Correct driver deregistrations with host nvme transport 2017-12-04 20:32:54 -05:00
lpfc_els.c scsi: lpfc: fix a couple of minor indentation issues 2018-01-03 22:53:46 -05:00
lpfc_hbadisc.c scsi: lpfc: correct port registrations with nvme_fc 2017-12-04 20:32:54 -05:00
lpfc_hw4.h scsi: lpfc: Increase CQ and WQ sizes for SCSI 2018-02-12 11:43:22 -05:00
lpfc_hw.h scsi: lpfc: Add Buffer to Buffer credit recovery support 2017-08-24 22:29:43 -04:00
lpfc_ids.h scsi: lpfc: Update copyrights 2017-02-22 18:41:44 -05:00
lpfc_init.c scsi: lpfc: move placement of target destroy on driver detach 2018-02-12 11:43:22 -05:00
lpfc_logmsg.h scsi: lpfc: Update copyrights 2017-02-22 18:41:44 -05:00
lpfc_mbox.c scsi: lpfc: Add Buffer to Buffer credit recovery support 2017-08-24 22:29:43 -04:00
lpfc_mem.c scsi: lpfc: Use after free in lpfc_rq_buf_free() 2017-11-28 23:46:06 -05:00
lpfc_nl.h scsi: lpfc: Update copyrights 2017-02-22 18:41:44 -05:00
lpfc_nportdisc.c scsi: lpfc: Fix issues connecting with nvme initiator 2017-12-20 21:11:47 -05:00
lpfc_nvme.c scsi: lpfc: Beef up stat counters for debug 2017-12-20 21:11:48 -05:00
lpfc_nvme.h scsi: lpfc: Beef up stat counters for debug 2017-12-20 21:11:48 -05:00
lpfc_nvmet.c scsi: lpfc: Add WQ Full Logic for NVME Target 2018-02-12 11:43:23 -05:00
lpfc_nvmet.h scsi: lpfc: Add WQ Full Logic for NVME Target 2018-02-12 11:43:23 -05:00
lpfc_scsi.c scsi: lpfc: Convert timers to use timer_setup() 2017-11-01 11:27:07 -07:00
lpfc_scsi.h scsi: lpfc: Update copyrights 2017-02-22 18:41:44 -05:00
lpfc_sli4.h scsi: lpfc: Add WQ Full Logic for NVME Target 2018-02-12 11:43:23 -05:00
lpfc_sli.c scsi: lpfc: Add WQ Full Logic for NVME Target 2018-02-12 11:43:23 -05:00
lpfc_sli.h scsi: lpfc: Add auto EQ delay logic 2017-06-12 21:37:31 -04:00
lpfc_version.h scsi: lpfc: update driver version to 11.4.0.6 2017-12-20 21:11:48 -05:00
lpfc_vport.c scsi: lpfc: Disable NPIV support if NVME is enabled 2017-10-02 22:46:39 -04:00
lpfc_vport.h scsi: lpfc: Update copyrights 2017-02-22 18:41:44 -05:00
lpfc.h scsi: lpfc: Increase CQ and WQ sizes for SCSI 2018-02-12 11:43:22 -05:00
Makefile scsi: lpfc: Update copyrights 2017-02-22 18:41:44 -05:00