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Only call scsi_set_resid() in case of an underflow. Do not call
scsi_set_resid() in case of an overflow.
Cc: Avri Altman <avri.altman@wdc.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Fixes: cb38845d90fc ("scsi: ufs: core: Set the residual byte count")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20230724200843.3376570-2-bvanassche@acm.org
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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A recent change removed the only user of a local variable that needs to now
also be removed:
drivers/ufs/host/ufs-qcom.c: In function 'ufs_qcom_mcq_esi_handler':
drivers/ufs/host/ufs-qcom.c:1652:31: error: unused variable 'host' [-Werror=unused-variable]
Fixes: 8f2b78652d05 ("scsi: ufs: qcom: Get queue ID from MSI index in ESI handler")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/llvm/64c00cd4.630a0220.6ad79.0eac@mx.google.com/
Link: https://lore.kernel.org/r/20230724122029.1430482-1-arnd@kernel.org
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Interest among UFS users in HPB has reduced significantly. I am not aware
of any current users of the HPB functionality. Hence remove HPB support
from the kernel.
A note: the work in JEDEC on a successor for HPB is nearing completion.
Zoned storage for UFS or ZUFS combines the UFS standard with ZBC-2.
Acked-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: ChanWoo Lee <cw9316.lee@samsung.com>
Cc: Daejun Park <daejun7.park@samsung.com>
Cc: Keoseong Park <keosung.park@samsung.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20230719165758.2787573-1-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Because scsi_finish_command() subtracts the residual from the buffer
length, residual overflows must not be reported. Reflect this in the SCSI
documentation. See also commit 9237f04e12cc ("scsi: core: Fix
scsi_get/set_resid() interface")
Cc: Damien Le Moal <dlemoal@kernel.org>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Douglas Gilbert <dgilbert@interlog.com>
Cc: stable@vger.kernel.org
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20230721160154.874010-2-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Devfreq uses the default DEVFREQ_TIMER_DEFERRABLE mode which uses the
deferred timer for scheduling the devfreq load monitor function. This
causes the load monitoring to be done only with non-idle CPUs and not
making use of the idle CPUs.
Hence, use the DEVFREQ_TIMER_DELAYED mode which uses the delayed timer
thereby making use of idle CPUs as well for load monitoring.
Co-developed-by: Asutosh Das <quic_asutoshd@quicinc.com>
Signed-off-by: Asutosh Das <quic_asutoshd@quicinc.com>
Signed-off-by: Nitin Rawat <quic_nitirawa@quicinc.com>
Link: https://lore.kernel.org/r/20230720093446.30697-1-quic_nitirawa@quicinc.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Nilesh Javali <njavali@marvell.com> says:
Martin,
Please apply the qla2xxx driver bug fixes to the scsi tree at your
earliest convenience.
Link: https://lore.kernel.org/r/20230714070104.40052-1-njavali@marvell.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20230714070104.40052-11-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Different behavior were experienced of session being torn down vs not when
TMF is timed out. When FW detects the time out, the session is torn down.
When driver detects the time out, the session is not torn down.
Allow TMF error to return to upper layer without session tear down.
Cc: stable@vger.kernel.org
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20230714070104.40052-10-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Task management can retry up to 5 times when FW resource becomes bottle
neck. Between the retries, there is a short sleep. Current code assumes
the chip has not reset or session has not changed.
Check for chip reset or session change before sending Task management.
Cc: stable@vger.kernel.org
Fixes: 9803fb5d2759 ("scsi: qla2xxx: Fix task management cmd failure")
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20230714070104.40052-9-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Some consider noisy log as test failure. Turn off noisy message log.
Cc: stable@vger.kernel.org
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20230714070104.40052-8-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Connection does not resume after a host reset / chip reset. The cause of
the blockage is due to the FCF_ASYNC_ACTIVE left on. The gnl command was
interrupted by the chip reset. On exiting the command, this flag should be
turn off to allow relogin to reoccur. Clear this flag to prevent blockage.
Cc: stable@vger.kernel.org
Fixes: 17e64648aa47 ("scsi: qla2xxx: Correct fcport flags handling")
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20230714070104.40052-7-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Link up failure occurred where driver failed to see certain events from FW
indicating link up (AEN 8011) and fabric login completion (AEN 8014).
Without these 2 events, driver would not proceed forward to scan the
fabric. The cause of this is due to delay in the receive of interrupt for
Mailbox 60 that causes qla to set the fw_started flag late. The late
setting of this flag causes other interrupts to be dropped. These dropped
interrupts happen to be the link up (AEN 8011) and fabric login completion
(AEN 8014).
Set fw_started flag early to prevent interrupts being dropped.
Cc: stable@vger.kernel.org
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20230714070104.40052-6-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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For each TMF request, driver iterates through each qpair and flushes
commands associated to the TMF. At the end of the qpair flush, a Marker is
used to complete the flush transaction. This process was repeated for each
qpair. The multiple flush and marker for this TMF request seems to cause
confusion for FW.
Instead, 1 flush is sent to FW. Driver would wait for FW to go through all
the I/Os on each qpair to be read then return. Driver then closes out the
transaction with a Marker.
Cc: stable@vger.kernel.org
Fixes: d90171dd0da5 ("scsi: qla2xxx: Multi-que support for TMF")
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20230714070104.40052-5-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Per FW recommendation, 8 TMF's can be outstanding for each
function. Previously, it allowed 8 per target.
Limit TMF to 8 per function.
Cc: stable@vger.kernel.org
Fixes: 6a87679626b5 ("scsi: qla2xxx: Fix task management cmd fail due to unavailable resource")
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20230714070104.40052-4-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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During NVMe queue creation, a new qpair is created. FW resource limit needs
to be re-adjusted to take into account the new qpair. Otherwise, NVMe
command can not go through. This issue was discovered while
testing/forcing FW execution to fail at load time.
Add call to readjust IOCB and exchange limit.
In addition, get FW state command and require FW to be running. Otherwise,
error is generated.
Cc: stable@vger.kernel.org
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20230714070104.40052-3-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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System crash when using debug kernel due to link list corruption. The cause
of the link list corruption is due to session deletion was allowed to queue
up twice. Here's the internal trace that show the same port was allowed to
double queue for deletion on different cpu.
20808683956 015 qla2xxx [0000:13:00.1]-e801:4: Scheduling sess ffff93ebf9306800 for deletion 50:06:0e:80:12:48:ff:50 fc4_type 1
20808683957 027 qla2xxx [0000:13:00.1]-e801:4: Scheduling sess ffff93ebf9306800 for deletion 50:06:0e:80:12:48:ff:50 fc4_type 1
Move the clearing/setting of deleted flag lock.
Cc: stable@vger.kernel.org
Fixes: 726b85487067 ("qla2xxx: Add framework for async fabric discovery")
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20230714070104.40052-2-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Justin Tee <justintee8345@gmail.com> says:
Update lpfc to revision 14.2.0.14
This patch set contains logging improvements, kref handling fixes,
discovery bug fixes, and refactoring of repeated code.
The patches were cut against Martin's 6.6/scsi-queue tree.
Link: https://lore.kernel.org/r/20230712180522.112722-1-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Update copyrights to 2023 for files modified in the 14.2.0.14 patch set.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20230712180522.112722-13-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Update lpfc version to 14.2.0.14
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20230712180522.112722-12-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Currently, we have dated logic to work around the differences between SLI-4
and SLI-3 resource reporting through sysfs.
Leave the SLI-3 path untouched, but for SLI4 path, retrieve resource values
from the phba->sli4_hba->max_cfg_param structure. Max values are populated
during ACQE events right after READ_CONFIG mbox cmd is sent. Instead of
the dated subtraction logic, used resource calculation is directly fed into
sysfs for display.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20230712180522.112722-11-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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During initialization, a lot of the same logic is used on MSI-X vector CPU
affinity assignment.
Create a lpfc_next_present_cpu() helper routine, and apply its usage for
refactoring purposes.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20230712180522.112722-10-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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A mailbox timeout error usually indicates something has gone wrong, and a
follow up reset of the HBA is a typical recovery mechanism. Introduce a
MBX_TMO_ERR flag to detect such cases and have lpfc_els_flush_cmd abort ELS
commands if the MBX_TMO_ERR flag condition was set. This ensures all of
the registered SGL resources meant for ELS traffic are not leaked after an
HBA reset.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20230712180522.112722-9-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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LOGO
This patch provides better target rport recovery when a target rport is
running in initiator mode to discover the fabric. Such a target will issue
a LOGO before switching back to strict target mode and changes are made to
recover the login. Log messages are also updated accordingly.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20230712180522.112722-8-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Previously, Establish Image Pair was set in all PRLI_ACC responses
regardless if the received PRLI was from an initiator or target function.
Specific target vendors that can operate in both initiator and target mode,
may view the PRLI_ACC with Establish Image Pair set as an invalid service
parameter when operating in initiator only mode. This causes discovery
issues later when the target switches on its target mode function.
Revise logic that determines an rport's role as an initiator or target and
set the Establish Image Pair service parameter bit only if the Target
Function bit is set.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20230712180522.112722-7-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The ndlp kref count implementation in lpfc_dev_loss_tmo_callbk() removes
the initial node reference when a vport is unloading. When lpfc_cleanup()
sends a DEVICE_RM event and is in NPR state, the driver calls
lpfc_drop_node(). Subsequently, lpfc_drop_node() also removes an ndlp kref
thinking it is the initial reference. This unintentionally introduces an
extra kref decrement on the ndlp object.
Fix by using the NLP_DROPPED node flag in lpfc_dev_loss_tmo_callbk() and
lpfc_drop_node() to coordinate the removal of the initial node reference.
In lpfc_dev_loss_tmo_callbk(), remove the SCSI transport reference provided
the node is registered in the dev_loss context because the driver cannot
call the SCSI transport in dev_loss context or afterwards. And, have
lpfc_drop_node() not remove a reference if another thread is acting or has
already acted on it.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20230712180522.112722-6-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Conditionalize when to put an ndlp into recovery mode when processing
RSCNs. As long as an ndlp state is beyond a PLOGI issue and has been
mapped to a transport layer before, the ndlp qualifies to be put into
recovery mode. Otherwise, treat the ndlp rport normally through the
discovery engine.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20230712180522.112722-5-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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In lpfc_cmpl_els_flogi(), the return out: label decrements the ndlp kref
signaling that FLOGI processing on the ndlp is complete. In loop topology
path, there is an unnecessary ndlp put because it also branches to the out:
label. This also signals ndlp usage completion too soon. As such, remove
the extra lpfc_nlp_put() when in loop topology.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20230712180522.112722-4-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The driver is reaching into a nvme_fc_cmd_iu ptr that belongs to the
transport during an abort. This could cause an unintentional ptr
dereference into memory that the driver does not own. Since the
nvme_fc_cmd_iu ptr was for logging purposes only, simplify the log message
such that the nvme_fc_cmd_iu reference is no longer needed.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20230712180522.112722-3-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The firmware diagnostic dump log message does not need to be a part of the
driver's log trace buffer because it is an expected user triggered event.
Change LOG_TRACE_EVENT verbose flag to LOG_SLI.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20230712180522.112722-2-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus. As
part of that merge prepping Arm DT support 13 years ago, they "temporarily"
include each other. They also include platform_device.h and of.h. As a
result, there's a pretty much random mix of those include files used
throughout the tree. In order to detangle these headers and replace the
implicit includes with struct declarations, users need to explicitly
include the correct includes.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230714175052.4066150-1-robh@kernel.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus. As
part of that merge prepping Arm DT support 13 years ago, they "temporarily"
include each other. They also include platform_device.h and of.h. As a
result, there's a pretty much random mix of those include files used
throughout the tree. In order to detangle these headers and replace the
implicit includes with struct declarations, users need to explicitly
include the correct includes.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230714175052.4066150-1-robh@kernel.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus. As
part of that merge prepping Arm DT support 13 years ago, they "temporarily"
include each other. They also include platform_device.h and of.h. As a
result, there's a pretty much random mix of those include files used
throughout the tree. In order to detangle these headers and replace the
implicit includes with struct declarations, users need to explicitly
include the correct includes.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230714175018.4064957-1-robh@kernel.org
Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Use colons to separate parameter names from their specific meanings to
silence the following warnings:
drivers/ufs/core/ufs-mcq.c:499: warning: Function parameter or member 'hba' not described in 'ufshcd_mcq_sq_cleanup'
drivers/ufs/core/ufs-mcq.c:499: warning: Function parameter or member 'task_tag' not described in 'ufshcd_mcq_sq_cleanup'
drivers/ufs/core/ufs-mcq.c:560: warning: Function parameter or member 'utrd' not described in 'ufshcd_mcq_nullify_sqe'
drivers/ufs/core/ufs-mcq.c:583: warning: Function parameter or member 'hba' not described in 'ufshcd_mcq_sqe_search'
drivers/ufs/core/ufs-mcq.c:583: warning: Function parameter or member 'hwq' not described in 'ufshcd_mcq_sqe_search'
drivers/ufs/core/ufs-mcq.c:583: warning: Function parameter or member 'task_tag' not described in 'ufshcd_mcq_sqe_search'
drivers/ufs/core/ufs-mcq.c:630: warning: Function parameter or member 'cmd' not described in 'ufshcd_mcq_abort'
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=5850
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230712075836.15375-1-yang.lee@linux.alibaba.com
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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There is no need to call the dev_err() function directly to print a custom
message when handling an error from either the platform_get_irq() or
platform_get_irq_byname() functions as both are going to display an
appropriate error message in case of a failure.
./drivers/ufs/host/ufs-mediatek.c:864:3-10: line 864 is redundant because platform_get_irq() already prints an error
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=5846
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230712064832.44188-1-yang.lee@linux.alibaba.com
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Lock the MSI descriptor storage of a device when configuring ESI.
Otherwise we would see warnings during boot.
Signed-off-by: Ziqi Chen <quic_ziqichen@quicinc.com>
Link: https://lore.kernel.org/r/1689065327-45039-1-git-send-email-quic_ziqichen@quicinc.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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platform_msi_domain_alloc_irqs() does not always get consecutive IRQ
numbers, hence queue IDs calculated out from IRQ numbers may be incorrect
if we assume IRQ numbers are consecutive. Fix this by passing msi_desc to
ESI handler to use msi_desc->msi_index as queue ID.
Co-developed-by: Can Guo <quic_cang@quicinc.com>
Signed-off-by: Can Guo <quic_cang@quicinc.com>
Signed-off-by: Ziqi Chen <quic_ziqichen@quicinc.com>
Link: https://lore.kernel.org/r/1689062349-77385-1-git-send-email-quic_ziqichen@quicinc.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Currently spinlock hisi_hba->lock is used by both interrupts and threads
which requires the use of spin_lock_irqsave()/spin_unlock_irqrestore().
However, some places still use spin_lock()/spin_unlock(). Reviewing the
code revealed that it is unnecessary to use hisi_hba->lock in the function
hisi_sas_port_notify_formed() which is the only place that uses the
spinlock in interrupt context. So delete unused lock in
hisi_sas_port_notify_formed().
Signed-off-by: Yihang Li <liyihang9@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Link: https://lore.kernel.org/r/1689045300-44318-4-git-send-email-chenxiang66@hisilicon.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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When FIO and debugfs snapshot occur concurrently, some SATA I/Os are failed
to return to the upper layer due to the setting of HISI_SAS_REJECT_CMD_BIT.
Then the SCSI layer invokes the error processing thread. However,
sas_ata_hard_reset() in EH also fails to be reset due to the setting of
HISI_SAS_REJECT_CMD_BIT. As a result, the device is disabled.
Calling scsi_block_requests() in the front of a debugfs snapshot and wait
command complete before setting HISI_SAS_REJECT_CMD_BIT to avoid SATA I/O
failures.
Signed-off-by: Yihang Li <liyihang9@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Link: https://lore.kernel.org/r/1689045300-44318-3-git-send-email-chenxiang66@hisilicon.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The PIO read command has no response frame and the struct iu[1024] won't be
filled. I/Os which are normally completed will be treated as failed in
sas_ata_task_done() when iu contains abnormal dirty data.
Consequently ending_fis should not be filled by iu when the response frame
hasn't been written to memory.
Fixes: d380f55503ed ("scsi: hisi_sas: Don't bother clearing status buffer IU in task prep")
Signed-off-by: Xingui Yang <yangxingui@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Link: https://lore.kernel.org/r/1689045300-44318-2-git-send-email-chenxiang66@hisilicon.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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When TI UFS host controller driver is built as kernel module it is not
getting auto-loaded due to missing aliases in modules.
Add device tree related aliases.
Signed-off-by: Udit Kumar <u-kumar1@ti.com>
Link: https://lore.kernel.org/r/20230710094801.183149-1-u-kumar1@ti.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Add UFS MCQ vops and IRQ handler for MediaTek platform. PM flow is fixed
accordingly.
Signed-off-by: Po-Wen Kao <powen.kao@mediatek.com>
Link: https://lore.kernel.org/r/20230701124442.10489-3-powen.kao@mediatek.com
Suggested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Export symbols for MediaTek UFS driver's PM flow and IRQ handler.
Signed-off-by: Po-Wen Kao <powen.kao@mediatek.com>
Link: https://lore.kernel.org/r/20230701124442.10489-2-powen.kao@mediatek.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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This change reduces the number of parentheses that are required in the
definition of this function and also when using this function.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20230706215054.4113469-1-bvanassche@acm.org
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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This attribute has never been used, remove it.
Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Link: https://lore.kernel.org/r/20230630155309.46061-1-mlombard@redhat.com
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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We just sorted the entries and fields last release, so just out of a
perverse sense of curiosity, I decided to see if we can keep things
ordered for even just one release.
The answer is "No. No we cannot".
I suggest that all kernel developers will need weekly training sessions,
involving a lot of Big Bird and Sesame Street. And at the yearly
maintainer summit, we will all sing the alphabet song together.
I doubt I will keep doing this. At some point "perverse sense of
curiosity" turns into just a cold dark place filled with sadness and
despair.
Repeats: 80e62bc8487b ("MAINTAINERS: re-sort all entries and fields")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping fixes from Christoph Hellwig:
- swiotlb area sizing fixes (Petr Tesarik)
* tag 'dma-mapping-6.5-2023-07-09' of git://git.infradead.org/users/hch/dma-mapping:
swiotlb: reduce the number of areas to match actual memory pool size
swiotlb: always set the number of areas before allocating the pool
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq update from Borislav Petkov:
- Optimize IRQ domain's name assignment
* tag 'irq_urgent_for_v6.5_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqdomain: Use return value of strreplace()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fpu fix from Borislav Petkov:
- Do FPU AP initialization on Xen PV too which got missed by the recent
boot reordering work
* tag 'x86_urgent_for_v6.5_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/xen: Fix secondary processors' FPU initialization
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Thomas Gleixner:
"A single fix for the mechanism to park CPUs with an INIT IPI.
On shutdown or kexec, the kernel tries to park the non-boot CPUs with
an INIT IPI. But the same code path is also used by the crash utility.
If the CPU which panics is not the boot CPU then it sends an INIT IPI
to the boot CPU which resets the machine.
Prevent this by validating that the CPU which runs the stop mechanism
is the boot CPU. If not, leave the other CPUs in HLT"
* tag 'x86-core-2023-07-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/smp: Don't send INIT to boot CPU
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