| Commit message (Collapse) | Author | Age | Files | Lines |
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Use *_pool_zalloc rather than *_pool_alloc followed by memset with 0.
Found by coccinelle spatch "api/alloc/pool_zalloc-simple.cocci"
Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Acked-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Pull SCSI updates from James Bottomley:
"This is mostly updates of the usual suspects: lpfc, qla2xxx, hisi_sas,
megaraid_sas, zfcp and a host of minor updates.
The major driver change here is the elimination of the block based
cciss driver in favour of the SCSI based hpsa driver (which now drives
all the legacy cases cciss used to be required for). Plus a reset
handler clean up and the redo of the SAS SMP handler to use bsg lib"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (279 commits)
scsi: scsi-mq: Always unprepare before requeuing a request
scsi: Show .retries and .jiffies_at_alloc in debugfs
scsi: Improve requeuing behavior
scsi: Call scsi_initialize_rq() for filesystem requests
scsi: qla2xxx: Reset the logo flag, after target re-login.
scsi: qla2xxx: Fix slow mem alloc behind lock
scsi: qla2xxx: Clear fc4f_nvme flag
scsi: qla2xxx: add missing includes for qla_isr
scsi: qla2xxx: Fix an integer overflow in sysfs code
scsi: aacraid: report -ENOMEM to upper layer from aac_convert_sgraw2()
scsi: aacraid: get rid of one level of indentation
scsi: aacraid: fix indentation errors
scsi: storvsc: fix memory leak on ring buffer busy
scsi: scsi_transport_sas: switch to bsg-lib for SMP passthrough
scsi: smartpqi: remove the smp_handler stub
scsi: hpsa: remove the smp_handler stub
scsi: bsg-lib: pass the release callback through bsg_setup_queue
scsi: Rework handling of scsi_device.vpd_pg8[03]
scsi: Rework the code for caching Vital Product Data (VPD)
scsi: rcu: Introduce rcu_swap_protected()
...
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The value of "size" comes from the user. When we add "start + size" it
could lead to an integer overflow bug.
It means we vmalloc() a lot more memory than we had intended. I believe
that on 64 bit systems vmalloc() can succeed even if we ask it to
allocate huge 4GB buffers. So we would get memory corruption and likely
a crash when we call ha->isp_ops->write_optrom() and ->read_optrom().
Only root can trigger this bug.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=194061
Cc: <stable@vger.kernel.org>
Fixes: b7cc176c9eb3 ("[SCSI] qla2xxx: Allow region-based flash-part accesses.")
Reported-by: shqking <shqking@gmail.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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After relogin is sucessful, "send_els_logo" flag needs to be
reinitialized. This will allow next re-login to happen successfully.
In target mode, this flag was not reset correctly, causing IO's failure
during reset recovery and port ON/OFF test cases from initiator.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Sawan Chandak <sawan.chandak@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Call Trace:
[<ffffffff81341687>] dump_stack+0x6b/0xa4
[<ffffffff810c3e30>] ? print_irqtrace_events+0xd0/0xe0
[<ffffffff8109e3c3>] ___might_sleep+0x183/0x240
[<ffffffff8109e4d2>] __might_sleep+0x52/0x90
[<ffffffff811fe17b>] kmem_cache_alloc_trace+0x5b/0x300
[<ffffffff810c666b>] ? __lock_acquired+0x30b/0x420
[<ffffffffa0733c28>] qla2x00_alloc_fcport+0x38/0x2a0 [qla2xxx]
[<ffffffffa07217f4>] ? qla2x00_do_work+0x34/0x2b0 [qla2xxx]
[<ffffffff816cc82b>] ? _raw_spin_lock_irqsave+0x7b/0x90
[<ffffffffa072169a>] ? qla24xx_create_new_sess+0x3a/0x160 [qla2xxx]
[<ffffffffa0721723>] qla24xx_create_new_sess+0xc3/0x160 [qla2xxx]
[<ffffffff810c91ed>] ? trace_hardirqs_on+0xd/0x10
[<ffffffffa07218f8>] qla2x00_do_work+0x138/0x2b0 [qla2xxx]
Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Signed-off-by: Darren Trap <darren.trap@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Since commit 7401bc18d1ee ("scsi: qla2xxx: Add FC-NVMe command
handling") we make use of 'struct nvmefc_fcp_req' in
qla24xx_nvme_iocb_entry() without including linux/nvme-fc-driver.h where
it is defined.
Add linux/nvme-fc-driver.h (and scsi/fc/fc_fs.h as nvme-fc-driver.h
needs the definition of 'struct fc_ba_rjt' from scsi/fc/fc_fs.h) to the
header files included by qla_isr.c.
Fixes: 7401bc18d1ee ("scsi: qla2xxx: Add FC-NVMe command handling")
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Acked-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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If there are IO's running and host reset or chip reset is triggered,
IO's can fail due to rport time out. During chip reset recovery process,
driver notifies the transport layer that remote port no longer exist, by
calling fc_remote_port_delete(). When this function is called, it
actually delays deletion by "blocking" it. It sets the remote port state
to "FC_PORTSTATE_BLOCKED" and sets FC_RPORT_DEVLOSS_PENDING. When
driver tries to abort the command by calling its abort handler function,
abort handler will wait until remote port state is blocked state or wait
for dev_loss_tmo time. Due to this blocking, rport times out and results
in an IO failure. This patch adds a check for any active reset process
before calling abort handler function.
[mkp: typo]
Signed-off-by: Sawan Chandak <sawan.chandak@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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passthrough commands.
Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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If queue count is zero while reading FW dump template, for entry
T263/T274, skip capturing those entries during FW dump capture.
Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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When RSCN is delivered for specific remote port. Use ADISC to verify the
session is still valid or not.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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ql2xmaxqdepth is the module parameter that seeds the per target
queue depth in the Scsi midlayer (sdev->queue_depth). Performance
testing revealed that increasing this value would improve IOPS
numbers under certain workloads.
Signed-off-by: Michael Hernandez <michael.hernandez@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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When we tear down the NPIV host configuration in target mode, the
qla_tgt struct was left dangling on the global list. This patch cleans
up link list and frees memory.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Signed-off-by: Sawan Chandak <sawan.chandak@cavium.com>
Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Fix task management response for NPIV Target mode.
Current code uses the wrong vp index.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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If SNS fabric login fails, set loop resync flag to retry via dpc.
Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Calling sp->free() ensures the context-correct free routine is called.
Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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SFP can come in 2 formats: short range/SR and long range/LR. For LR,
user the can increase the number of Buffer to Buffer credits between end
points via Cavium's command line tool. By default, FW uses a lower BB
Credit value optimized for SR. This patch will read the SFP for each
link up event and during chip reset sequence. If the SFP type and
setting are mismatch, then the chip is reset 1 time to use the
appropriate setting.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The Get Port Speed switch command needs the fabric port name of the
remote device. Current code uses the registered WWPN.
Fixes: 726b85487067d ("qla2xxx: Add framework for async fabric discovery")
Cc: <stable@vger.kernel.org> # 4.10+
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Update ha->wq max_active from 1 to default. MQ interrupts are queued up
via this work queue. This allows interrupts to be process in parrallel,
instead of serialized by the work queue.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Remove extra register read for each interrupt for performance
improvement.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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For NPIV ports, call configure_hba() so that NPIV ports can proceed to
loop initialization.
Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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If FA-WWPN feature disabled on the switch side and enabled for the
adapter, then driver would update the port name with switch port name.
This patch fixes issue by checking correct BIT flag to validate.
Fixes: 41dc529a4602 ("qla2xxx: Improve RSCN handling in driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Sawan Chandak <sawan.chandak@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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[ 1013.772926] BUG: unable to handle kernel paging request at 0000000300000020
[ 1013.772950] IP: qla24xx_els_ct_entry.isra.17+0x78/0x2a0 [qla2xxx]
[ 1013.772951] PGD 0
[ 1013.772952] P4D 0
[ 1013.772952]
[ 1013.772953] Oops: 0000 [#1] SMP
[ 1013.772955] Modules linked in: qla2xxx(+) scsi_transport_fc nvme_fc
nvme_fabrics nvme_core netconsole configfs af_packet iscsi_ibft
iscsi_boot_sysfs xfs intel_rapl sb_edac libcrc32c x86_pkg_temp_thermal
intel_powerclamp coretemp mgag200 kvm_intel ttm kvm drm_kms_helper
ipmi_ssif irqbypass tg3 drm fb_sys_fops crct10dif_pclmul syscopyarea
crc32_pclmul ghash_clmulni_intel ptp pcbc sysfillrect pps_core
aesni_intel joydev aes_x86_64 sysimgblt crypto_simd iTCO_wdt libphy
iTCO_vendor_support i2c_algo_bit glue_helper ipmi_si lpc_ich hpwdt
ioatdma cryptd ipmi_devintf pcspkr mfd_core pcc_cpufreq ipmi_msghandler
hpilo thermal dca button shpchp btrfs xor raid6_pq hid_generic usbhid
sr_mod cdrom sd_mod ata_generic crc32c_intel serio_raw ata_piix ahci
libahci uhci_hcd ehci_pci ehci_hcd libata usbcore hpsa scsi_transport_sas
[ 1013.772994] sg scsi_mod autofs4
[ 1013.772998] CPU: 0 PID: 374 Comm: systemd-journal Not tainted 4.13.0-rc1-2-default #2
[ 1013.772999] Hardware name: HP ProLiant DL380p Gen8, BIOS P70 07/15/2012
[ 1013.773000] task: ffff88082c188380 task.stack: ffffc90004d7c000
[ 1013.773011] RIP: 0010:qla24xx_els_ct_entry.isra.17+0x78/0x2a0 [qla2xxx]
[ 1013.773012] RSP: 0000:ffff88042f603d90 EFLAGS: 00010082
[ 1013.773013] RAX: ffff88039f723ac8 RBX: ffff88039f723ac8 RCX: ffff8803a2e18010
[ 1013.773014] RDX: ffff88039f723ac0 RSI: ffff88042f603dc4 RDI: ffff88041b6787c0
[ 1013.773015] RBP: ffff88042f603e00 R08: 0000000000000002 R09: 000000000000000d
[ 1013.773016] R10: 0000000000000002 R11: 0000000000000000 R12: ffff8803a2e80080
[ 1013.773016] R13: ffff88041b6787c0 R14: 0000000300000000 R15: 0000000000000102
[ 1013.773018] FS: 00007fa2e0a73880(0000) GS:ffff88042f600000(0000) knlGS:0000000000000000
[ 1013.773019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1013.773020] CR2: 0000000300000020 CR3: 000000042cd7e000 CR4: 00000000000406f0
[ 1013.773021] Call Trace:
[ 1013.773022] <IRQ>
[ 1013.773026] ? consume_skb+0x34/0xa0
[ 1013.773040] qla24xx_process_response_queue+0x319/0x700 [qla2xxx]
[ 1013.773050] qla24xx_msix_rsp_q+0x7b/0xd0 [qla2xxx]
[ 1013.773054] __handle_irq_event_percpu+0x3c/0x1b0
[ 1013.773056] handle_irq_event_percpu+0x23/0x60
[ 1013.773057] handle_irq_event+0x42/0x70
[ 1013.773059] handle_edge_irq+0x8f/0x190
[ 1013.773062] handle_irq+0x1d/0x30
[ 1013.773065] do_IRQ+0x48/0xd0
[ 1013.773067] common_interrupt+0x93/0x93
[ 1013.773068] RIP: 0033:0xed622c6e42
[ 1013.773069] RSP: 002b:00007ffee8b5c820 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff17
[ 1013.773071] RAX: 000000ed6316a3f0 RBX: 000000ed6316a840 RCX: 00000000000c4e33
[ 1013.773071] RDX: 000000ed6316a878 RSI: 000000ed6316a840 RDI: 000000ed631682d0
[ 1013.773072] RBP: 0000000000000001 R08: 0000000000000001 R09: 000000ed63179b70
[ 1013.773073] R10: 000000000005f6f8 R11: 0000000000000202 R12: 0000000000000001
[ 1013.773074] R13: 00007ffee8b5c85c R14: 000000ed6316a840 R15: 00007ffee8b5c850
[ 1013.773074] </IRQ>
[ 1013.773076] Code: a9 8a 9a e0 48 8d 75 c4 48 89 da 4c 89 e1 4c 89 ef
e8 54 6e fb ff 48 85 c0 48 89 c3 0f 84 0e 02 00 00 44 0f b7 48 36 4c 8b
70 58 <4d> 8b 7e 20 41 8d 41 fd 66 83 f8 0c 77 6c 0f b7 c0 ff 24 c5 88
[ 1013.773102] RIP: qla24xx_els_ct_entry.isra.17+0x78/0x2a0 [qla2xxx] RSP: ffff88042f603d90
[ 1013.773102] CR2: 0000000300000020
[ 1013.773129] ---[ end trace 532363559924f426 ]---
[ 1013.773131] Kernel panic - not syncing: Fatal exception in interrupt
[ 1013.777719] Kernel Offset: disabled
[ 1013.827528] ---[ end Kernel panic - not syncing: Fatal exception in interrupt
Signed-off-by: Duane Grigsby <Duane.Grigsby@cavium.com>
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Driver will perform following
- Set PFLG_DRIVER_REMOVING flag and do not disable PCIe error reporting
during adapter shutdown.
- If PCIe device count is already zero, return correct error type from
PCI error interface.
- When device is offline, return correct error type from PCIe error
path.
- If there is board disable thread active during shutdown and PCIe
device count is zero then cancel scheduling board disable thread
during shutdown and return.
Signed-off-by: Sawan Chandak <sawan.chandak@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Signed-off-by: Darren Trap <darren.trap@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The driver held spinlocks during callbacks for NVME errors which
resulted in a deadlock because recovery LS cmds needed the same lock.
Signed-off-by: Duane Grigsby <duane.grigsby@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Fixes: 4b60c82736d0 ("scsi: qla2xxx: Add fw_started flags to qpair")
Cc: <stable@vger.kernel.org>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Following error will be logged in to message file while trying to
configure target with multiqueue.
"Cmd 0x1f aborted with timeout since ISP Abort is pending"
"qla25xx_init_queues Rsp que: 1 init failed."
Fixes: 82de802ad46e ("scsi: qla2xxx: Preparation for Target MQ.")
Cc: <stable@vger.kernel.org>
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Michael Hernandez <michael.hernandez@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Fix incorrect second argument for wait_event_timeout()
Fixes: c4a9b538ab2a ("qla2xxx: Allow vref count to timeout on vport delete.")
Cc: <stable@vger.kernel.org>
Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Trivial fix to variable name, sfp_additonal_info should be
sfp_additional_info (add in missing i).
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The return value of dma_map_single() should be checked by
dma_mapping_error(). However, in function qla26xx_dport_diagnostics(), its
return value is checked against NULL, which could result in failures.
Signed-off-by: Pan Bian <bianpan2016@163.com>
Acked-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Signed-off-by: Duane Grigsby <duane.grigsby@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Simplified waiting for unregister local/remote FC-NVMe ports
to complete cleanup.
Signed-off-by: Duane Grigsby <duane.grigsby@cavium.com>
Signed-off-by: Darren Trapp <darren.trapp@cavium.com>
Signed-off-by: Anil Gurumurthy <anil.gurumurthy@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Add support to the driver to set the exchange threshold value for
the number of outstanding AENs.
Signed-off-by: Duane Grigsby <duane.grigsby@cavium.com>
Signed-off-by: Darren Trapp <darren.trapp@cavium.com>
Signed-off-by: Anil Gurumurthy <anil.gurumurthy@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Cc: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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This patch does not change any functionality.
Following cleanups have been done as requested by reviewer
- Changed waitQ --> waitq
- Collapsed multiple debug statements into single
- Remove extra parentheses in if-else as per operator precedence
- Remove unnecessary casting
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"A couple of minor fixes (st, ses) and some bigger driver fixes for
qla2xxx (crash triggered by fw dump) and ipr (lockdep problems with
mq)"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ses: Fix wrong page error
scsi: ipr: Fix scsi-mq lockdep issue
scsi: st: fix blk_get_queue usage
scsi: qla2xxx: Fix system crash while triggering FW dump
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This patch fixes system hang/crash while firmware dump is attempted with
Block MQ enabled in qla2xxx driver. Fix is to remove check in fw dump
template entries for existing request and response queues so that full
buffer size is calculated during template size calculation.
Following stack trace is seen during firmware dump capture process
[ 694.390588] qla2xxx [0000:81:00.0]-5003:11: ISP System Error - mbx1=4b1fh mbx2=10h mbx3=2ah mbx7=0h.
[ 694.402336] BUG: unable to handle kernel paging request at ffffc90008c7b000
[ 694.402372] IP: memcpy_erms+0x6/0x10
[ 694.402386] PGD 105f01a067
[ 694.402386] PUD 85f89c067
[ 694.402398] PMD 10490cb067
[ 694.402409] PTE 0
[ 694.402421]
[ 694.402437] Oops: 0002 [#1] PREEMPT SMP
[ 694.402452] Modules linked in: netconsole configfs qla2xxx scsi_transport_fc
nvme_fc nvme_fabrics bnep bluetooth rfkill xt_tcpudp unix_diag xt_multiport
ip6table_filter ip6_tables iptable_filter ip_tables x_tables af_packet
iscsi_ibft iscsi_boot_sysfs xfs libcrc32c ipmi_ssif sb_edac edac_core
x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass igb
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel iTCO_wdt
aes_x86_64 crypto_simd ptp iTCO_vendor_support glue_helper cryptd lpc_ich joydev
i2c_i801 pcspkr ioatdma mei_me pps_core tpm_tis mei mfd_core acpi_power_meter
tpm_tis_core ipmi_si ipmi_devintf tpm ipmi_msghandler shpchp wmi dca button
acpi_pad btrfs xor uas usb_storage hid_generic usbhid raid6_pq crc32c_intel ast
i2c_algo_bit drm_kms_helper syscopyarea sysfillrect
[ 694.402692] sysimgblt fb_sys_fops xhci_pci ttm ehci_pci sr_mod xhci_hcd
cdrom ehci_hcd drm usbcore sg
[ 694.402730] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.10.0-1-default+ #19
[ 694.402753] Hardware name: Supermicro X10DRi/X10DRi, BIOS 1.1a 10/16/2015
[ 694.402776] task: ffffffff81c0e4c0 task.stack: ffffffff81c00000
[ 694.402798] RIP: 0010:memcpy_erms+0x6/0x10
[ 694.402813] RSP: 0018:ffff88085fc03cd0 EFLAGS: 00210006
[ 694.402832] RAX: ffffc90008c7ae0c RBX: 0000000000000004 RCX: 000000000001fe0c
[ 694.402856] RDX: 0000000000020000 RSI: ffff8810332c01f4 RDI: ffffc90008c7b000
[ 694.402879] RBP: ffff88085fc03d18 R08: 0000000000020000 R09: 0000000000279e0a
[ 694.402903] R10: 0000000000000000 R11: f000000000000000 R12: ffff88085fc03d80
[ 694.402927] R13: ffffc90008a01000 R14: ffffc90008a056d4 R15: ffff881052ef17e0
[ 694.402951] FS: 0000000000000000(0000) GS:ffff88085fc00000(0000) knlGS:0000000000000000
[ 694.402977] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 694.403012] CR2: ffffc90008c7b000 CR3: 0000000001c09000 CR4: 00000000001406f0
[ 694.403036] Call Trace:
[ 694.403047] <IRQ>
[ 694.403072] ? qla27xx_fwdt_entry_t263+0x18e/0x380 [qla2xxx]
[ 694.403099] qla27xx_walk_template+0x9d/0x1a0 [qla2xxx]
[ 694.403124] qla27xx_fwdump+0x1f3/0x272 [qla2xxx]
[ 694.403149] qla2x00_async_event+0xb08/0x1a50 [qla2xxx]
[ 694.403169] ? enqueue_task_fair+0xa2/0x9d0
Signed-off-by: Mike Hernandez <michael.hernandez@cavium.com>
Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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This patch drops two incorrect usages of tcm_qla2xxx_free_cmd()
during TMR ABORT within tcm_qla2xxx_handle_data_work() and
tcm_qla2xxx_aborted_task(), which where attempting to dispatch
into workqueue context to do tcm_qla2xxx_complete_free() and
subsequently invoke transport_generic_free_cmd().
This is incorrect because during TMR ABORT target-core will
drop the outstanding se_cmd->cmd_kref references once it has
quiesced the se_cmd via transport_wait_for_tasks(), and in
the case of qla2xxx it should not attempt to do it's own
transport_generic_free_cmd() once the abort has occured.
As reported by Pascal, this was originally manifesting as a
BUG_ON(cmd->cmd_in_wq) in qlt_free_cmd() during TMR ABORT,
with a LIO backend that had sufficently high enough WRITE
latency to trigger a host side TMR ABORT_TASK.
(v2: Drop the qla_tgt_cmd->write_pending_abort_comp changes,
as they will be addressed in a seperate series)
Reported-by: Pascal de Bruijn <p.debruijn@unilogic.nl>
Tested-by: Pascal de Bruijn <p.debruijn@unilogic.nl>
Cc: Pascal de Bruijn <p.debruijn@unilogic.nl>
Reported-by: Lukasz Engel <lukasz.engel@softax.pl>
Cc: Lukasz Engel <lukasz.engel@softax.pl>
Acked-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Cc: Quinn Tran <quinn.tran@cavium.com>
Cc: <stable@vger.kernel.org> # 3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is actually just a small set of mainly bug fixes for the original
merge window code plus a few trivial updates and qedi boot from SAN
support feature patch"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: libfc: pass an error pointer to fc_disc_error()
scsi: hisi_sas: make several const arrays static
scsi: qla2xxx: Off by one in qlt_ctio_to_cmd()
scsi: sg: fix SG_DXFER_FROM_DEV transfers
scsi: virtio_scsi: always read VPD pages for multiqueue too
scsi: qedf: fix spelling mistake: "offlading" -> "offloading"
scsi: qedi: fix another spelling mistake: "alloction" -> "allocation"
scsi: isci: fix typo in function names
scsi: cxlflash: return -EFAULT if copy_from_user() fails
scsi: qedi: Add support for Boot from SAN over iSCSI offload
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