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commit da6d507f5ff328f346b3c50e19e19993027b8ffd upstream.
Add the missing destroy_workqueue() before return from
lpfc_sli4_driver_resource_setup() in the error path.
Link: https://lore.kernel.org/r/20220823044237.285643-1-yangyingliang@huawei.com
Fixes: 3cee98db2610 ("scsi: lpfc: Fix crash on driver unload in wq free")
Reviewed-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 991df3dd5144f2e6b1c38b8d20ed3d4d21e20b34 upstream.
Fix the following use-after-free warning which is observed during
controller reset:
refcount_t: underflow; use-after-free.
WARNING: CPU: 23 PID: 5399 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0
Link: https://lore.kernel.org/r/20220906134908.1039-2-sreekanth.reddy@broadcom.com
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[ Upstream commit f8191d40aa612981ce897e66cda6a88db8df17bb ]
Malformed user input to debugfs results in buffer overflow crashes. Adapt
input string lengths to fit within internal buffers, leaving space for NULL
terminators.
Link: https://lore.kernel.org/r/20220701211425.2708-3-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
commit 3455607fd7be10b449f5135c00dc306b85dc0d21 upstream.
When a SCSI device is removed while in active use, currently sg will
immediately return -ENODEV on any attempt to wait for active commands that
were sent before the removal. This is problematic for commands that use
SG_FLAG_DIRECT_IO since the data buffer may still be in use by the kernel
when userspace frees or reuses it after getting ENODEV, leading to
corrupted userspace memory (in the case of READ-type commands) or corrupted
data being sent to the device (in the case of WRITE-type commands). This
has been seen in practice when logging out of a iscsi_tcp session, where
the iSCSI driver may still be processing commands after the device has been
marked for removal.
Change the policy to allow userspace to wait for active sg commands even
when the device is being removed. Return -ENODEV only when there are no
more responses to read.
Link: https://lore.kernel.org/r/5ebea46f-fe83-2d0b-233d-d0dcb362dd0a@cybernetics.com
Cc: <stable@vger.kernel.org>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Tony Battersby <tonyb@cybernetics.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit f260694e6463b63ae550aad25ddefe94cb1904da upstream.
Clear wait for mailbox interrupt flag to prevent stale mailbox:
Feb 22 05:22:56 ltcden4-lp7 kernel: qla2xxx [0135:90:00.1]-500a:4: LOOP UP detected (16 Gbps).
Feb 22 05:22:59 ltcden4-lp7 kernel: qla2xxx [0135:90:00.1]-d04c:4: MBX Command timeout for cmd 69, ...
To fix the issue, driver needs to clear the MBX_INTR_WAIT flag on purging
the mailbox. When the stale mailbox completion does arrive, it will be
dropped.
Link: https://lore.kernel.org/r/20220616053508.27186-11-njavali@marvell.com
Fixes: b6faaaf796d7 ("scsi: qla2xxx: Serialize mailbox request")
Cc: Naresh Bannoth <nbannoth@in.ibm.com>
Cc: Kyle Mahlkuch <Kyle.Mahlkuch@ibm.com>
Cc: stable@vger.kernel.org
Reported-by: Naresh Bannoth <nbannoth@in.ibm.com>
Tested-by: Naresh Bannoth <nbannoth@in.ibm.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 47ccb113cead905bdc236571bf8ac6fed90321b3 upstream.
A direct attach tape device, when gets swapped with another, was not
discovered. Fix this by looking at loop map and reinitialize link if there
are devices present.
Link: https://lore.kernel.org/linux-scsi/baef87c3-5dad-3b47-44c1-6914bfc90108@cybernetics.com/
Link: https://lore.kernel.org/r/20220713052045.10683-8-njavali@marvell.com
Cc: stable@vger.kernel.org
Reported-by: Tony Battersby <tonyb@cybernetics.com>
Tested-by: Tony Battersby <tonyb@cybernetics.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Arun Easi <aeasi@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[ Upstream commit 69695aeaa6621bc49cdd7a8e5a8d1042461e496e ]
Correct a SOP READ and WRITE DMA flags for some requests.
This update corrects DMA direction issues with SCSI commands removed from
the controller's internal lookup table.
Currently, SCSI READ BLOCK LIMITS (0x5) was removed from the controller
lookup table and exposed a DMA direction flag issue.
SCSI READ BLOCK LIMITS was recently removed from our controller lookup
table so the controller uses the respective IU flag field to set the DMA
data direction. Since the DMA direction is incorrect the FW never completes
the request causing a hang.
Some SCSI commands which use SCSI READ BLOCK LIMITS
* sg_map
* mt -f /dev/stX status
After updating controller firmware, users may notice their tape units
failing. This patch resolves the issue.
Also, the AIO path DMA direction is correct.
The DMA direction flag is a day-one bug with no reported BZ.
Fixes: 6c223761eb54 ("smartpqi: initial commit of Microsemi smartpqi driver")
Link: https://lore.kernel.org/r/165730605618.177165.9054223644512926624.stgit@brunhilda
Reviewed-by: Scott Benesh <scott.benesh@microchip.com>
Reviewed-by: Scott Teel <scott.teel@microchip.com>
Reviewed-by: Mike McGowen <mike.mcgowen@microchip.com>
Reviewed-by: Kevin Barnett <kevin.barnett@microchip.com>
Signed-off-by: Mahesh Rajashekhara <Mahesh.Rajashekhara@microchip.com>
Signed-off-by: Don Brace <don.brace@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
commit 673235f915318ced5d7ec4b2bfd8cb909e6a4a55 upstream.
When queuing I/O request to LLD, STS_RESOURCE may be returned because:
- Host is in recovery or blocked
- Target queue throttling or target is blocked
- LLD rejection
In these scenarios BLK_STS_DEV_RESOURCE is returned to the block layer to
avoid an unnecessary re-run of the queue. However, all of the requests
queued to this SCSI device may complete immediately after reading
'sdev->device_busy' and BLK_STS_DEV_RESOURCE is returned to block layer. In
that case the current I/O won't get a chance to get queued since it is
invisible at that time for both scsi_run_queue_async() and blk-mq's
RESTART.
Fix the issue by not returning BLK_STS_DEV_RESOURCE in this situation.
Link: https://lore.kernel.org/r/20201202100419.525144-1-ming.lei@redhat.com
Fixes: 86ff7c2a80cd ("blk-mq: introduce BLK_STS_DEV_RESOURCE")
Cc: Hannes Reinecke <hare@suse.com>
Cc: Sumit Saxena <sumit.saxena@broadcom.com>
Cc: Kashyap Desai <kashyap.desai@broadcom.com>
Cc: Bart Van Assche <bvanassche@acm.org>
Cc: Ewan Milne <emilne@redhat.com>
Cc: Long Li <longli@microsoft.com>
Reported-by: John Garry <john.garry@huawei.com>
Tested-by: "chenxiang (M)" <chenxiang66@hisilicon.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit a3435afba87dc6cd83f5595e7607f3c40f93ef01 upstream.
In ufshcd_populate_vreg(), we should hold the reference returned by
of_parse_phandle() and then use it to call of_node_put() for refcount
balance.
Link: https://lore.kernel.org/r/20220719071529.1081166-1-windhl@126.com
Fixes: aa4976130934 ("ufs: Add regulator enable support")
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[ Upstream commit d64c491911322af1dcada98e5b9ee0d87e8c8fee ]
Fix missing resource cleanup (when '(--i) == 0') for error case in
ipr_alloc_mem() and skip incorrect resource cleanup (when '(--i) == 0') for
error case in ipr_request_other_msi_irqs() because variable i started from
1.
Link: https://lore.kernel.org/r/20220529153456.4183738-4-cgxu519@mykernel.net
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 2e7e9c0c1ec05f18d320ecc8a31eec59d2af1af9 ]
NVMe Asynchronous Event Request commands have no command timeout value per
specifications.
Set WQE option to allow a reduced FLUSH polling rate for I/O error
detection specifically for nvme_admin_async_event commands.
Link: https://lore.kernel.org/r/20220603174329.63777-9-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 336d63615466b4c06b9401c987813fd19bdde39b ]
After issuing a LIP, a specific target vendor does not ACC the FLOGI that
lpfc sends. However, it does send its own FLOGI that lpfc ACCs. The
target then establishes the port IDs by sending a PLOGI. lpfc PLOGI_ACCs
and starts the RPI registration for DID 0x000001. The target then sends a
LOGO to the fabric DID. lpfc is currently treating the LOGO from the
fabric DID as a link down and cleans up all the ndlps. The ndlp for DID
0x000001 is put back into NPR and discovery stops, leaving the port in
stuck in bypassed mode.
Change lpfc behavior such that if a LOGO is received for the fabric DID in
PT2PT topology skip the lpfc_linkdown_port() routine and just move the
fabric DID back to NPR.
Link: https://lore.kernel.org/r/20220603174329.63777-7-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit cf71d59c2eceadfcde0fb52e237990a0909880d7 ]
vcpuHint has been expanded to 16 bit on host to enable routing to more
CPUs. Guest side should align with the change. This change has been tested
with hosts with 8-bit and 16-bit vcpuHint, on both platforms host side can
get correct value.
Link: https://lore.kernel.org/r/EF35F4D5-5DCC-42C5-BCC4-29DF1729B24C@vmware.com
Signed-off-by: Wentao Wang <wwentao@vmware.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit f9f0a46141e2e39bedb4779c88380d1b5f018c14 ]
When myrb_probe() fails the callback might not be set, so we need to
validate the 'disable_intr' callback in myrb_cleanup() to not cause a null
pointer exception. And while at it do not call myrb_cleanup() if we cannot
enable the PCI device at all.
Link: https://lore.kernel.org/r/20220523120244.99515-1-hare@suse.de
Reported-by: Zheyu Ma <zheyuma97@gmail.com>
Tested-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
commit 8eecddfca30e1651dc1c74531ed5eef21dcce7e3 upstream.
In ufs_qcom_dev_ref_clk_ctrl(), it was noted that the ref_clk needs to be
stable for at least 1us. Even though there is wmb() to make sure the write
gets "completed", there is no guarantee that the write actually reached the
UFS device. There is a good chance that the write could be stored in a
Write Buffer (WB). In that case, even though the CPU waits for 1us, the
ref_clk might not be stable for that period.
So lets do a readl() to make sure that the previous write has reached the
UFS device before udelay().
Also, the wmb() after writel_relaxed() is not really needed. Both writel()
and readl() are ordered on all architectures and the CPU won't speculate
instructions after readl() due to the in-built control dependency with read
value on weakly ordered architectures. So it can be safely removed.
Link: https://lore.kernel.org/r/20220504084212.11605-4-manivannan.sadhasivam@linaro.org
Fixes: f06fcc7155dc ("scsi: ufs-qcom: add QUniPro hardware support and power optimizations")
Cc: stable@vger.kernel.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 036a45aa587a10fa2abbd50fbd0f6c4cfc44f69f upstream.
The bug is here:
p->target_id, p->target_lun);
The list iterator 'p' will point to a bogus position containing HEAD if the
list is empty or no element is found. This case must be checked before any
use of the iterator, otherwise it will lead to an invalid memory access.
To fix this bug, add a check. Use a new variable 'iter' as the list
iterator, and use the original variable 'p' as a dedicated pointer to point
to the found element.
Link: https://lore.kernel.org/r/20220414040231.2662-1-xiam0nd.tong@gmail.com
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable@vger.kernel.org
Signed-off-by: Xiaomeng Tong <xiam0nd.tong@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[ Upstream commit 54db804d5d7d36709d1ce70bde3b9a6c61b290b6 ]
Fix the following Wstringop-overflow warnings when building with GCC-11:
drivers/scsi/fcoe/fcoe.c: In function ‘fcoe_netdev_config’:
drivers/scsi/fcoe/fcoe.c:744:32: warning: ‘fcoe_wwn_from_mac’ accessing 32 bytes in a region of size 6 [-Wstringop-overflow=]
744 | wwnn = fcoe_wwn_from_mac(ctlr->ctl_src_addr, 1, 0);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/fcoe/fcoe.c:744:32: note: referencing argument 1 of type ‘unsigned char *’
In file included from drivers/scsi/fcoe/fcoe.c:36:
./include/scsi/libfcoe.h:252:5: note: in a call to function ‘fcoe_wwn_from_mac’
252 | u64 fcoe_wwn_from_mac(unsigned char mac[MAX_ADDR_LEN], unsigned int, unsigned int);
| ^~~~~~~~~~~~~~~~~
drivers/scsi/fcoe/fcoe.c:747:32: warning: ‘fcoe_wwn_from_mac’ accessing 32 bytes in a region of size 6 [-Wstringop-overflow=]
747 | wwpn = fcoe_wwn_from_mac(ctlr->ctl_src_addr,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
748 | 2, 0);
| ~~~~~
drivers/scsi/fcoe/fcoe.c:747:32: note: referencing argument 1 of type ‘unsigned char *’
In file included from drivers/scsi/fcoe/fcoe.c:36:
./include/scsi/libfcoe.h:252:5: note: in a call to function ‘fcoe_wwn_from_mac’
252 | u64 fcoe_wwn_from_mac(unsigned char mac[MAX_ADDR_LEN], unsigned int, unsigned int);
| ^~~~~~~~~~~~~~~~~
CC drivers/scsi/bnx2fc/bnx2fc_io.o
In function ‘bnx2fc_net_config’,
inlined from ‘bnx2fc_if_create’ at drivers/scsi/bnx2fc/bnx2fc_fcoe.c:1543:7:
drivers/scsi/bnx2fc/bnx2fc_fcoe.c:833:32: warning: ‘fcoe_wwn_from_mac’ accessing 32 bytes in a region of size 6 [-Wstringop-overflow=]
833 | wwnn = fcoe_wwn_from_mac(ctlr->ctl_src_addr,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
834 | 1, 0);
| ~~~~~
drivers/scsi/bnx2fc/bnx2fc_fcoe.c: In function ‘bnx2fc_if_create’:
drivers/scsi/bnx2fc/bnx2fc_fcoe.c:833:32: note: referencing argument 1 of type ‘unsigned char *’
In file included from drivers/scsi/bnx2fc/bnx2fc.h:53,
from drivers/scsi/bnx2fc/bnx2fc_fcoe.c:17:
./include/scsi/libfcoe.h:252:5: note: in a call to function ‘fcoe_wwn_from_mac’
252 | u64 fcoe_wwn_from_mac(unsigned char mac[MAX_ADDR_LEN], unsigned int, unsigned int);
| ^~~~~~~~~~~~~~~~~
In function ‘bnx2fc_net_config’,
inlined from ‘bnx2fc_if_create’ at drivers/scsi/bnx2fc/bnx2fc_fcoe.c:1543:7:
drivers/scsi/bnx2fc/bnx2fc_fcoe.c:839:32: warning: ‘fcoe_wwn_from_mac’ accessing 32 bytes in a region of size 6 [-Wstringop-overflow=]
839 | wwpn = fcoe_wwn_from_mac(ctlr->ctl_src_addr,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
840 | 2, 0);
| ~~~~~
drivers/scsi/bnx2fc/bnx2fc_fcoe.c: In function ‘bnx2fc_if_create’:
drivers/scsi/bnx2fc/bnx2fc_fcoe.c:839:32: note: referencing argument 1 of type ‘unsigned char *’
In file included from drivers/scsi/bnx2fc/bnx2fc.h:53,
from drivers/scsi/bnx2fc/bnx2fc_fcoe.c:17:
./include/scsi/libfcoe.h:252:5: note: in a call to function ‘fcoe_wwn_from_mac’
252 | u64 fcoe_wwn_from_mac(unsigned char mac[MAX_ADDR_LEN], unsigned int, unsigned int);
| ^~~~~~~~~~~~~~~~~
drivers/scsi/qedf/qedf_main.c: In function ‘__qedf_probe’:
drivers/scsi/qedf/qedf_main.c:3520:30: warning: ‘fcoe_wwn_from_mac’ accessing 32 bytes in a region of size 6 [-Wstringop-overflow=]
3520 | qedf->wwnn = fcoe_wwn_from_mac(qedf->mac, 1, 0);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/qedf/qedf_main.c:3520:30: note: referencing argument 1 of type ‘unsigned char *’
In file included from drivers/scsi/qedf/qedf.h:9,
from drivers/scsi/qedf/qedf_main.c:23:
./include/scsi/libfcoe.h:252:5: note: in a call to function ‘fcoe_wwn_from_mac’
252 | u64 fcoe_wwn_from_mac(unsigned char mac[MAX_ADDR_LEN], unsigned int, unsigned int);
| ^~~~~~~~~~~~~~~~~
drivers/scsi/qedf/qedf_main.c:3521:30: warning: ‘fcoe_wwn_from_mac’ accessing 32 bytes in a region of size 6 [-Wstringop-overflow=]
3521 | qedf->wwpn = fcoe_wwn_from_mac(qedf->mac, 2, 0);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/qedf/qedf_main.c:3521:30: note: referencing argument 1 of type ‘unsigned char *’
In file included from drivers/scsi/qedf/qedf.h:9,
from drivers/scsi/qedf/qedf_main.c:23:
./include/scsi/libfcoe.h:252:5: note: in a call to function ‘fcoe_wwn_from_mac’
252 | u64 fcoe_wwn_from_mac(unsigned char mac[MAX_ADDR_LEN], unsigned int, unsigned int);
| ^~~~~~~~~~~~~~~~~
by changing the array size to the correct value of ETH_ALEN in the
argument declaration.
Also, fix a couple of checkpatch warnings:
WARNING: function definition argument 'unsigned int' should also have an identifier name
This helps with the ongoing efforts to globally enable
-Wstringop-overflow.
Link: https://github.com/KSPP/linux/issues/181
Fixes: 85b4aa4926a5 ("[SCSI] fcoe: Fibre Channel over Ethernet")
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit ef60031022eb6d972aac86ca26c98c33e1289436 ]
Some devices may return invalid or zeroed data during an UIC error
condition. In addition, reading these SFRs will clear them. This means the
subsequent error handling will not be able to see them and therefore no
error handling will be scheduled.
Skip reading these SFRs in ufshcd_dump_regs().
Link: https://lore.kernel.org/r/1648689845-33521-1-git-send-email-kwmad.kim@samsung.com
Fixes: d67247566450 ("scsi: ufs: Use explicit access size in ufshcd_dump_regs")
Signed-off-by: Kiwoong Kim <kwmad.kim@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit c5acd61dbb32b6bda0f3a354108f2b8dcb788985 ]
If major equals 0, register_chrdev() returns an error code when it fails.
This function dynamically allocates a major and returns its number on
success, so we should use "< 0" to check it instead of "!".
Link: https://lore.kernel.org/r/20220418105755.2558828-1-lv.ruyi@zte.com.cn
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 26f9ce53817a8fd84b69a73473a7de852a24c897 ]
Aborting commands that have already been sent to the firmware can
cause BUG in qlt_free_cmd(): BUG_ON(cmd->sg_mapped)
For instance:
- Command passes rdx_to_xfer state, maps sgl, sends to the firmware
- Reset occurs, qla2xxx performs ISP error recovery, aborts the command
- Target stack calls qlt_abort_cmd() and then qlt_free_cmd()
- BUG_ON(cmd->sg_mapped) in qlt_free_cmd() occurs because sgl was not
unmapped
Thus, unmap sgl in qlt_abort_cmd() for commands with the aborted flag set.
Link: https://lore.kernel.org/r/AS8PR10MB4952D545F84B6B1DFD39EC1E9DEE9@AS8PR10MB4952.EURPRD10.PROD.OUTLOOK.COM
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Gleb Chesnokov <Chesnokov.G@raidix.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 857b06527f707f5df634b854898a191b5c1d0272 ]
We set the qedi_ep state to EP_STATE_OFLDCONN_START when the ep is
created. Then in qedi_set_path we kick off the offload work. If userspace
times out the connection and calls ep_disconnect, qedi will only flush the
offload work if the qedi_ep state has transitioned away from
EP_STATE_OFLDCONN_START. If we can't connect we will not have transitioned
state and will leave the offload work running, and we will free the qedi_ep
from under it.
This patch just has us init the work when we create the ep, then always
flush it.
Link: https://lore.kernel.org/r/20220408001314.5014-10-michael.christie@oracle.com
Tested-by: Manish Rangankar <mrangankar@marvell.com>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Reviewed-by: Chris Leech <cleech@redhat.com>
Acked-by: Manish Rangankar <mrangankar@marvell.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 56495f295d8e021f77d065b890fc0100e3f9f6d8 ]
The megaraid_sas driver supports single LUN for RAID devices. That is LUN
0. All other LUNs are unsupported. When a device scan on a logical target
with invalid LUN number is invoked through sysfs, that target ends up
getting removed.
Add LUN ID validation in the slave destroy function to avoid the target
deletion.
Link: https://lore.kernel.org/r/20220324094711.48833-1-chandrakanth.patil@broadcom.com
Signed-off-by: Chandrakanth patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 5f2bce1e222028dc1c15f130109a17aa654ae6e8 ]
The HighPoint RocketRaid 2640 is a low-cost SAS controller based on Marvell
chip. The chip in question was already supported by the kernel, just the
PCI ID of this particular board was missing.
Link: https://lore.kernel.org/r/20220309212535.402987-1-agalakhov@gmail.com
Signed-off-by: Alexey Galakhov <agalakhov@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 0bade8e53279157c7cc9dd95d573b7e82223d78a ]
The adapter request_limit is hardcoded to be INITIAL_SRP_LIMIT which is
currently an arbitrary value of 800. Increase this value to 1024 which
better matches the characteristics of the typical IBMi Initiator that
supports 32 LUNs and a queue depth of 32.
This change also has the secondary benefit of being a power of two as
required by the kfifo API. Since, Commit ab9bb6318b09 ("Partially revert
"kfifo: fix kfifo_alloc() and kfifo_init()"") the size of IU pool for each
target has been rounded down to 512 when attempting to kfifo_init() those
pools with the current request_limit size of 800.
Link: https://lore.kernel.org/r/20220322194443.678433-1-tyreld@linux.ibm.com
Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 16ed828b872d12ccba8f07bcc446ae89ba662f9c ]
The error handling path of the probe releases a resource that is not freed
in the remove function. In some cases, a ioremap() must be undone.
Add the missing iounmap() call in the remove function.
Link: https://lore.kernel.org/r/247066a3104d25f9a05de8b3270fc3c848763bcc.1647673264.git.christophe.jaillet@wanadoo.fr
Fixes: 45804fbb00ee ("[SCSI] 53c700: Amiga Zorro NCR53c710 SCSI")
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 271add11994ba1a334859069367e04d2be2ebdd4 ]
fc_exch_release(ep) will decrease the ep's reference count. When the
reference count reaches zero, it is freed. But ep is still used in the
following code, which will lead to a use after free.
Return after the fc_exch_release() call to avoid use after free.
Link: https://lore.kernel.org/r/20220303015115.459778-1-niejianglei2021@163.com
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Jianglei Nie <niejianglei2021@163.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit cc8294ec4738d25e2bb2d71f7d82a9bf7f4a157b ]
__setup() handlers should return 1 if the command line option is handled
and 0 if not (or maybe never return 0; doing so just pollutes init's
environment with strings that are not init arguments/parameters).
Return 1 from aha152x_setup() to indicate that the boot option has been
handled.
Link: lore.kernel.org/r/64644a2f-4a20-bab3-1e15-3b2cdd0defe3@omprussia.ru
Link: https://lore.kernel.org/r/20220223000623.5920-1-rdunlap@infradead.org
Cc: "Juergen E. Fischer" <fischer@norbit.de>
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Reported-by: Igor Zhbanov <i.zhbanov@omprussia.ru>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 7e6b7e740addcea450041b5be8e42f0a4ceece0f ]
The call to pm8001_ccb_task_free() at the end of
pm8001_mpi_task_abort_resp() already frees the ccb tag. So when the device
NCQ_ABORT_ALL_FLAG is set, the tag should not be freed again. Also change
the hardcoded 0xBFFFFFFF value to ~NCQ_ABORT_ALL_FLAG as it ought to be.
Link: https://lore.kernel.org/r/20220220031810.738362-19-damien.lemoal@opensource.wdc.com
Reviewed-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 2245ea91fd3a04cafbe2f54911432a8657528c3b ]
coccinelle report:
./drivers/scsi/bfa/bfad_attr.c:908:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/bfa/bfad_attr.c:860:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/bfa/bfad_attr.c:888:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/bfa/bfad_attr.c:853:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/bfa/bfad_attr.c:808:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/bfa/bfad_attr.c:728:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/bfa/bfad_attr.c:822:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/bfa/bfad_attr.c:927:9-17:
WARNING: use scnprintf or sprintf
./drivers/scsi/bfa/bfad_attr.c:900:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/bfa/bfad_attr.c:874:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/bfa/bfad_attr.c:714:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/bfa/bfad_attr.c:839:8-16:
WARNING: use scnprintf or sprintf
Use sysfs_emit() instead of scnprintf() or sprintf().
Link: https://lore.kernel.org/r/def83ff75faec64ba592b867a8499b1367bae303.1643181468.git.yang.guang5@zte.com.cn
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Yang Guang <yang.guang5@zte.com.cn>
Signed-off-by: David Yang <davidcomponentone@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 0ad3867b0f13e45cfee5a1298bfd40eef096116c ]
coccinelle report:
./drivers/scsi/mvsas/mv_init.c:699:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/mvsas/mv_init.c:747:8-16:
WARNING: use scnprintf or sprintf
Use sysfs_emit() instead of scnprintf() or sprintf().
Link: https://lore.kernel.org/r/c1711f7cf251730a8ceb5bdfc313bf85662b3395.1643182948.git.yang.guang5@zte.com.cn
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Yang Guang <yang.guang5@zte.com.cn>
Signed-off-by: David Yang <davidcomponentone@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
commit d2646eed7b19a206912f49101178cbbaa507256c upstream.
While a session is in the middle of a relogin, a late RSCN can be delivered
from switch. RSCN trigger fabric scan where the scan logic can trigger
another session login while a login is in progress. Reduce the extra
trigger to prevent multiple logins to the same session.
Link: https://lore.kernel.org/r/20220310092604.22950-10-njavali@marvell.com
Fixes: bee8b84686c4 ("scsi: qla2xxx: Reduce redundant ADISC command for RSCNs")
Cc: stable@vger.kernel.org
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit c13ce47c64ea8f14e77eecb40d1e7c2ac667f898 upstream.
For N2N topology, ELS Passthrough is used to send PLOGI. On failure of ELS
pass through PLOGI, driver flipped over to using LLIOCB PLOGI for N2N. This
is not consistent. Delete the session to restart the connection where ELS
pass through PLOGI would be used consistently.
Link: https://lore.kernel.org/r/20220310092604.22950-7-njavali@marvell.com
Fixes: c76ae845ea83 ("scsi: qla2xxx: Add error handling for PLOGI ELS passthrough")
Cc: stable@vger.kernel.org
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit c85ab7d9e27a80e48d5b7d7fb2fe2b0fdb2de523 upstream.
At NVMe ELS request time, request structure is DMA mapped and never
unmapped. Fix this by calling the unmap on ELS completion.
Link: https://lore.kernel.org/r/20220310092604.22950-5-njavali@marvell.com
Fixes: e84067d74301 ("scsi: qla2xxx: Add FC-NVMe F/W initialization and transport registration")
Cc: stable@vger.kernel.org
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Arun Easi <aeasi@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit c02aada06d19a215c8291bd968a99a270e96f734 upstream.
User experienced device lost. The log shows Get port data base command was
queued up, failed, and requeued again. Every time it is requeued, it set
the FCF_ASYNC_ACTIVE. This prevents any recovery code from occurring
because driver thinks a recovery is in progress for this session. In
essence, this session is hung. The reason it gets into this place is the
session deletion got in front of this call due to link perturbation.
Break the requeue cycle and exit. The session deletion code will trigger a
session relogin.
Link: https://lore.kernel.org/r/20220310092604.22950-8-njavali@marvell.com
Fixes: 726b85487067 ("qla2xxx: Add framework for async fabric discovery")
Cc: stable@vger.kernel.org
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 58ca5999e0367d131de82a75257fbfd5aed0195d upstream.
User experienced no task management error while target device is responding
with error. The RSP_CODE field in the status IOCB is in little endian.
Driver assumes it's big endian and it picked up erroneous data.
Convert the data back to big endian as is on the wire.
Link: https://lore.kernel.org/r/20220310092604.22950-2-njavali@marvell.com
Fixes: faef62d13463 ("[SCSI] qla2xxx: Fix Task Management command asynchronous handling")
Cc: stable@vger.kernel.org
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 6a45c8e137d4e2c72eecf1ac7cf64f2fdfcead99 upstream.
User experienced some of the LUN failed to get rediscovered after long
cable pull test. The issue is triggered by a race condition between driver
setting session online state vs starting the LUN scan process at the same
time. Current code set the online state after notifying the session is
available. In this case, trigger to start the LUN scan process happened
before driver could set the session in online state. LUN scan ends up with
failure due to the session online check was failing.
Set the online state before reporting of the availability of the session.
Link: https://lore.kernel.org/r/20220310092604.22950-3-njavali@marvell.com
Fixes: aecf043443d3 ("scsi: qla2xxx: Fix Remote port registration")
Cc: stable@vger.kernel.org
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit cfbafad7c6032d449a5a07f2d273acd2437bbc6a upstream.
While allocating firmware dump, check if dump is already collected and do
not re-allocate the buffer.
Link: https://lore.kernel.org/r/20220110050218.3958-17-njavali@marvell.com
Cc: stable@vger.kernel.org
Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 0d6a536cb1fcabb6c3e9c94871c8d0b29bb5813b upstream.
This is an update to the original 28xx adapter enablement. Add a bunch of
conditionals that are applicable for 28xx.
Link: https://lore.kernel.org/r/20220110050218.3958-16-njavali@marvell.com
Fixes: ecc89f25e225 ("scsi: qla2xxx: Add Device ID for ISP28XX")
Cc: stable@vger.kernel.org
Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 8ad4be3d15cf144b5834bdb00d5bbe4050938dc7 upstream.
A device logout in loop topology initiates a device connection teardown
which loses the FW device handle. In loop topo, the device handle is not
regrabbed leading to device login failures and eventually to loss of the
device. Fix this by taking the main login path that does it.
Link: https://lore.kernel.org/r/20220110050218.3958-11-njavali@marvell.com
Cc: stable@vger.kernel.org
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Arun Easi <aeasi@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 725d3a0d31a51c0debf970011e05f585e805165b upstream.
Fix stuck sessions in get port database. When a thread is in the process of
re-establishing a session, a flag is set to prevent multiple threads /
triggers from doing the same task. This flag was left on, where any attempt
to relogin was locked out. Clear this flag, if the attempt has failed.
Link: https://lore.kernel.org/r/20220110050218.3958-4-njavali@marvell.com
Cc: stable@vger.kernel.org
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[ Upstream commit c4e070457a93705e56ed06b3910d9e5fe56d3be3 ]
Currently the permission of parameter prot_mask is 0x0, which means that
the member does not appear in sysfs. Change it as other module parameters
to 0444 for world-readable.
[mkp: s/v3/v2/]
Link: https://lore.kernel.org/r/1645703489-87194-2-git-send-email-john.garry@huawei.com
Fixes: d6a9000b81be ("scsi: hisi_sas: Add support for DIF feature for v2 hw")
Reported-by: Yihang Li <liyihang6@hisilicon.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
