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Sumit Saxena <[email protected]> says:
This patch series contains the changes done in the driver to support
PCI error recovery. It is rework of older patch series from Ranjan
Kumar, see [1].
[1] https://lore.kernel.org/all/[email protected]/
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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Signed-off-by: Sumit Saxena <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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Prevent interaction with the hardware while the error recovery in progress.
Co-developed-by: Sathya Prakash <[email protected]>
Signed-off-by: Sathya Prakash <[email protected]>
Co-developed-by: Ranjan Kumar <[email protected]>
Signed-off-by: Ranjan Kumar <[email protected]>
Signed-off-by: Sumit Saxena <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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PCI Error recovery support is required to recover the controller upon
detection of PCI errors. Add support for the PCI error recovery callback
handlers in mpi3mr driver.
Co-developed-by: Sathya Prakash <[email protected]>
Signed-off-by: Sathya Prakash <[email protected]>
Co-developed-by: Ranjan Kumar <[email protected]>
Signed-off-by: Ranjan Kumar <[email protected]>
Signed-off-by: Sumit Saxena <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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Justin Tee <[email protected]> says:
Update lpfc to revision 14.4.0.3
This patch set contains bug fixes related to discovery, submission of
mailbox commands, and proper endianness conversions.
The patches were cut against Martin's 6.11/scsi-queue tree.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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Update lpfc version to 14.4.0.3.
Signed-off-by: Justin Tee <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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On big endian architectures, it is possible to run into a memory out of
bounds pointer dereference when FCP targets are zoned.
In lpfc_prep_embed_io, the memcpy(ptr, fcp_cmnd, sgl->sge_len) is
referencing a little endian formatted sgl->sge_len value. So, the memcpy
can cause big endian systems to crash.
Redefine the *sgl ptr as a struct sli4_sge_le to make it clear that we are
referring to a little endian formatted data structure. And, update the
routine with proper le32_to_cpu macro usages.
Fixes: af20bb73ac25 ("scsi: lpfc: Add support for 32 byte CDBs")
Signed-off-by: Justin Tee <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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When setting trunk modes through sysfs, the SLI_CONFIG mailbox command's
command payload length is incorrectly hardcoded to 12 bytes. SLI_CONFIG's
payload length field should be specified large enough to encompass both the
submailbox command header and the submailbox request itself.
Thus, replace the hardcoded 12 bytes with a clearer calculation by way of
sizeof(struct lpfc_mbx_set_trunk_mode) - sizeof(struct lpfc_sli4_cfg_mhdr).
Signed-off-by: Justin Tee <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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The MBX_TIMEOUT return code is not handled in lpfc_get_sfp_info and the
routine unconditionally frees submitted mailbox commands regardless of
return status. The issue is that for MBX_TIMEOUT cases, when firmware
returns SFP information at a later time, that same mailbox memory region
references previously freed memory in its cmpl routine.
Fix by adding checks for the MBX_TIMEOUT return code. During mailbox
resource cleanup, check the mbox flag to make sure that the wait did not
timeout. If the MBOX_WAKE flag is not set, then do not free the resources
because it will be freed when firmware completes the mailbox at a later
time in its cmpl routine.
Also, increase the timeout from 30 to 60 seconds to accommodate boot
scripts requiring longer timeouts.
Signed-off-by: Justin Tee <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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In rare cases when a fabric node is recovered after a link bounce and
before dev_loss_tmo callbk is reached, the driver may leave the fabric node
in an inconsistent state with the NLP_IN_DEV_LOSS flag perpetually set.
In lpfc_dev_loss_tmo_callbk, a check is added for a recovered fabric node.
If the node is recovered, then don't queue the lpfc_dev_loss_tmo_handler
work. In lpfc_dev_loss_tmo_handler, the path taken for the recovered fabric
nodes is updated to clear the NLP_IN_DEV_LOSS flag.
Signed-off-by: Justin Tee <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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If previously in REG_LOGIN_ISSUE state, then remove the requirement that
PLOGI must have been received from the remote port before issuing a PRLI.
After GID_FT completes, it does not matter whether the driver itself sent a
PLOGI or received one. The fact that we're in REG_LOGIN_ISSUE state simply
means that the next state should be issuing the PRLI to continue discovery
of the remote port.
Signed-off-by: Justin Tee <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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Certain vendor specific targets initially register with the fabric as an
initiator function first and then re-register as a target function
afterwards.
The timing of the target function re-registration can cause a race
condition such that the driver is stuck assuming the remote port as an
initiator function and never discovers the target's hosted LUNs.
Expand the nlp_state qualifier to also include NLP_STE_PRLI_ISSUE because
the state means that PRLI was issued but we have not quite reached
MAPPED_NODE state yet. If we received an RSCN in the PRLI_ISSUE state,
then we should restart discovery again by going into DEVICE_RECOVERY.
Fixes: dded1dc31aa4 ("scsi: lpfc: Modify when a node should be put in device recovery mode during RSCN")
Cc: <[email protected]> # v6.6+
Signed-off-by: Justin Tee <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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During SLI port errata events, there should be no expectation that
submitted outstanding WQEs will return back CQEs. In these situations, the
driver should not rely on receiving CQEs from the SLI port to signal WQE
resource clean up.
Put an sli_flag LPFC_SLI_ACTIVE check in lpfc_els_flush_cmd() when walking
the txcmplq. The sli_flag check helps determine whether to issue an abort
or driver based cancel on outstanding WQEs. If !LPFC_SLI_ACTIVE, then
there's no point to issue anything to the SLI port. Instead, let the
driver based cancel logic clean up the submitted WQE resources.
Also, enhance some abort log messages that help with future debugging.
Signed-off-by: Justin Tee <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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Reading the main config table occurs as a part of initialization in
pm80xx_chip_init(). Because of this it makes more sense to have it be a
part of the INIT logging.
Signed-off-by: Terrence Adams <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Acked-by: Jack Wang <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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pm8001_phy_control() populates the enable_completion pointer with a stack
address, sends a PHY_LINK_RESET / PHY_HARD_RESET, waits 300 ms, and
returns. The problem arises when a phy control response comes late. After
300 ms the pm8001_phy_control() function returns and the passed
enable_completion stack address is no longer valid. Late phy control
response invokes complete() on a dangling enable_completion pointer which
leads to a kernel crash.
Signed-off-by: Igor Pylypiv <[email protected]>
Signed-off-by: Terrence Adams <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Acked-by: Jack Wang <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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If host tries to remove ufshcd driver from a UFS device it would cause a
kernel panic if ufshcd_async_scan fails during ufshcd_probe_hba before
adding a SCSI host with scsi_add_host and MCQ is enabled since SCSI host
has been defered after MCQ configuration introduced by commit 0cab4023ec7b
("scsi: ufs: core: Defer adding host to SCSI if MCQ is supported").
To guarantee that SCSI host is removed only if it has been added, set the
scsi_host_added flag to true after adding a SCSI host and check whether it
is set or not before removing it.
Signed-off-by: Kyoungrul Kim <[email protected]>
Signed-off-by: Minwoo Im <[email protected]>
Link: https://lore.kernel.org/r/20240627085104epcms2p5897a3870ea5c6416aa44f94df6c543d7@epcms2p5
Reviewed-by: Bart Van Assche <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Enable suspending clk scaling on no request for Qualcomm SoC.
Signed-off-by: Ram Prakash Gupta <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Bart Van Assche <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Currently UFS clk scaling is getting suspended only when the clks are
scaled down. When high load is generated, a huge amount of latency is added
due to scaling up the clk and completing the request post that.
Suspending the scaling in its existing state when high load is generated
improves the random performance KPI by 28%. So suspending the scaling when
there are no requests. And the clk would be put in low scaled state when
the actual request load is low.
Make this change optional by having the check enabled using vops since for
some devices suspending without bringing the clk in low scaled state might
have impact on power consumption of the SoC.
Signed-off-by: Ram Prakash Gupta <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Bart Van Assche <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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The test for a possible shift overflow is not correct. Fix it by replacing
the '>' with a '>='.
Signed-off-by: Tomas Henzl <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Suggested-by: Dan Carpenter <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Ranjan Kumar <[email protected]> says:
The controllers managed by mpi3mr driver requires system memory to
save hardware and firmware diagnostic information, this patch set
enhances the drivers to provide host memory to the controller for
diagnostic information. This patch set also provides driver changes
to push kernel messages into the diagnostic buffers reserved for the
driver, so that the information will be available as part of debug
data fetched from the controller. In addition, support for
configuring automatic diagnostic information is added in the driver.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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Update driver version to 8.9.1.0.50
Signed-off-by: Ranjan Kumar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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Add interface for applications to manage the host diagnostic buffers and
update the automatic diag buffer capture triggers.
Co-developed-by: Sathya Prakash <[email protected]>
Signed-off-by: Sathya Prakash <[email protected]>
Signed-off-by: Ranjan Kumar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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Add functions to process automatic diag triggers. If a condition defined in
the triggers is met, the driver will call appropriate controller functions
to save the diagnostic information.
Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Co-developed-by: Sathya Prakash <[email protected]>
Signed-off-by: Sathya Prakash <[email protected]>
Signed-off-by: Ranjan Kumar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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To be able to debug controller problems it is beneficial to allocate and
configure system/host memory buffers which can be used to capture hardware
and firmware diagnostic information.
Add functions required to allocate and post firmware and hardware
diagnostic buffers to the controller and to set up automatic diagnostic
capture triggers.
Captures will be triggered under the following circumstances:
1. Firmware is in FAULT state.
2. Admin commands time out.
3. Controller reset caused due to I/O timeout
Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Co-developed-by: Sathya Prakash <[email protected]>
Signed-off-by: Sathya Prakash <[email protected]>
Signed-off-by: Ranjan Kumar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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Add PCI ID to support Intel Panther Lake, same as MTL.
Signed-off-by: Adrian Hunter <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Bart Van Assche <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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With ARCH=arm64, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/ufs/host/ufs-qcom.o
Add the missing invocation of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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In function lpfc_xcvr_data_show, the memory allocation with kmalloc might
fail, thereby making rdp_context a null pointer. In the following context
and functions that use this pointer, there are dereferencing operations,
leading to null pointer dereference.
To fix this issue, a null pointer check should be added. If it is null,
use scnprintf to notify the user and return len.
Fixes: 479b0917e447 ("scsi: lpfc: Create a sysfs entry called lpfc_xcvr_data for transceiver info")
Signed-off-by: Huai-Yuan Liu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Justin Tee <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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The comment that scsi_static_device_list would go away was added more than
18 years ago. Today, that list is still there and a large number of
additional entries have been added. This shows that this comment is
incorrect. Hence fix that comment.
Cc: Christoph Hellwig <[email protected]>
Cc: Avri Altman <[email protected]>
Signed-off-by: Bart Van Assche <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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On x86, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/scsi_common.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/advansys.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/BusLogic.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/aha1740.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/isci/isci.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/elx/efct.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/atp870u.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/ppa.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/imm.o
Add all missing invocations of the MODULE_DESCRIPTION() macro.
This updates all files which have a MODULE_LICENSE() but which do not have
a MODULE_DESCRIPTION(), even ones which did not produce the x86
allmodconfig warnings.
Acked-by: Finn Thain <[email protected]>
Signed-off-by: Jeff Johnson <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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Bart Van Assche <[email protected]> says:
Hi Martin,
There are several 32-bit ARM SCSI drivers that trigger compiler warnings
about missing function declarations. This patch series fixes these
compiler warnings by declaring local functions static. Please consider
this patch series for the next merge window.
Thanks,
Bart.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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Signed-off-by: Bart Van Assche <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Johannes Thumshirn <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Signed-off-by: Bart Van Assche <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Johannes Thumshirn <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Signed-off-by: Bart Van Assche <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Johannes Thumshirn <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Signed-off-by: Bart Van Assche <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Johannes Thumshirn <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Minwoo Im <[email protected]> says:
This patchset introduces add support for MCQ introduced in UFSHCI 4.0.
The first patch adds a simple helper to get the address of MCQ queue
config registers. The second one enables MCQ feature by adding mandatory
vops callback functions required at MCQ initialization phase. The last
one is to prevent a case where number of MCQ is given 1 since driver
allocates poll_queues first rather than I/O queues to handle device
commands. Instead of causing exception handlers due to no I/O queue,
failfast during the initialization time.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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If hba_maxq equals poll_queues, which means there are no I/O queues
(HCTX_TYPE_DEFAULT, HCTX_TYPE_READ), the very first hw queue will be
allocated as HCTX_TYPE_POLL and it will be used as the dev_cmd_queue. In
this case, device commands such as QUERY cannot be properly handled.
This patch prevents the initialization of MCQ when the number of I/O queues
is not set and only the number of POLL queues is set.
Signed-off-by: Minwoo Im <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Bart Van Assche <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Recently, ufs-mcq feature has been introduced to QEMU hw/ufs device [1].
This patch adds MCQ support for upstream QEMU UFS PCI controller. This
patch provides mandatory vops callbacks to make UFS controller work
properly on MCQ mode. Operation and Runtime Config register stride is
fixed to 48bytes which is implemented by qemu.
[1] https://lore.kernel.org/qemu-devel/[email protected]/
Signed-off-by: Minwoo Im <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Bart Van Assche <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Inline functions are preferred over macros. Convert the MCQ_CFG_n macro to
an inline function.
Signed-off-by: Minwoo Im <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Bart Van Assche <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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The MCQ_OPR_OFFSET_n macro takes 'hba' in the caller context without
receiving 'hba' instance as an argument. To prevent potential bugs in
future use cases, add an argument 'hba'.
Fixes: 2468da61ea09 ("scsi: ufs: core: mcq: Configure operation and runtime interface")
Cc: Asutosh Das <[email protected]>
Signed-off-by: Minwoo Im <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Bart Van Assche <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Avri Altman <[email protected]> says:
The rtt-upiu packets precede any data-out upiu packets, thus synchronizing
the data input to the device: this mostly applies to write operations, but
there are other operations that requires rtt as well.
There are several rules binding this rtt - data-out dialog, specifically
There can be at most outstanding bMaxNumOfRTT such packets. This might
have an effect on write performance (sequential write in particular), as
each data-out upiu must wait for its rtt sibling.
UFSHCI expects bMaxNumOfRTT to be min(bDeviceRTTCap, NORTT). However, as of
today, there does not appear to be no-one who sets it: not the host
controller nor the driver. It wasn't an issue up to now: bMaxNumOfRTT is
set to 2 after manufacturing, and wasn't limiting the write performance.
UFS4.0, and specifically gear 5 changes this, and requires the device to be
more attentive. This doesn't come free - the device has to allocate more
resources to that end, but the sequential write performance improvement is
significant. Early measurements shows 25% gain when moving from rtt 2 to
9. Therefore, set bMaxNumOfRTT to be min(bDeviceRTTCap, NORTT) as UFSHCI
expects.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>
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Given the importance of the RTT parameter, we want to be able to configure
it via sysfs. This is because UFS users should be discouraged from change
UFS device parameters without the UFSHCI driver being aware of these
changes.
Signed-off-by: Avri Altman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Bart Van Assche <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Allow platform vendors to take precedence having their own max rtt support.
This makes sense because the host controller's nortt characteristic may
vary among vendors.
while at it, set this value for Mediatek, as requested by Peter -
https://lore.kernel.org/all/[email protected]/
Signed-off-by: Avri Altman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Peter Wang <[email protected]>
Reviewed-by: Bart Van Assche <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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The rtt-upiu packets precede any data-out upiu packets, thus synchronizing
the data input to the device: this mostly applies to write operations, but
there are other operations that requires rtt as well.
There are several rules binding this rtt - data-out dialog, specifically
There can be at most outstanding bMaxNumOfRTT such packets. This might
have an effect on write performance (sequential write in particular), as
each data-out upiu must wait for its rtt sibling.
UFSHCI expects bMaxNumOfRTT to be min(bDeviceRTTCap, NORTT). However, as of
today, there does not appears to be no-one who sets it: not the host
controller nor the driver. It wasn't an issue up to now: bMaxNumOfRTT is
set to 2 after manufacturing, and wasn't limiting the write performance.
UFS4.0, and specifically gear 5 changes this, and requires the device to be
more attentive. This doesn't come free - the device has to allocate more
resources to that end, but the sequential write performance improvement is
significant. Early measurements shows 25% gain when moving from rtt 2 to
9. Therefore, set bMaxNumOfRTT to be min(bDeviceRTTCap, NORTT) as UFSHCI
expects.
Signed-off-by: Avri Altman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Bean Huo <[email protected]>
Reviewed-by: Bart Van Assche <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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'scsi_dif_tuple' is unused since commit 8cb2049c7448 ("[SCSI] qla2xxx: T10
DIF - Handle uninitalized sectors.").
Remove it.
Signed-off-by: Dr. David Alan Gilbert <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Himanshu Madhani <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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When calling bsg_setup_queue() -> blk_mq_alloc_queue(), we don't pass
the dev as the queuedata, but rather manually set it afterwards. Just
pass dev to blk_mq_alloc_queue() to have automatically set.
Signed-off-by: John Garry <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Hannes Reinecke <[email protected]>
Tested-by: Himanshu Madhani <[email protected]>
Reviewed-by: Himanshu Madhani <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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When calling scsi_alloc_sdev() -> blk_mq_alloc_queue(), we don't pass
the sdev as the queuedata, but rather manually set it afterwards. Just
pass to blk_mq_alloc_queue() to have automatically set.
Signed-off-by: John Garry <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Hannes Reinecke <[email protected]>
Tested-by: Himanshu Madhani <[email protected]>
Reviewed-by: Himanshu Madhani <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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percpu.h depends on smp.h, but doesn't include it directly because of
circular header dependency issues; percpu.h is needed in a bunch of low
level headers.
This fixes a randconfig build error on mips:
include/linux/alloc_tag.h: In function '__alloc_tag_ref_set':
include/asm-generic/percpu.h:31:40: error: implicit declaration of function 'raw_smp_processor_id' [-Werror=implicit-function-declaration]
Reported-by: kernel test robot <[email protected]>
Fixes: 24e44cc22aa3 ("mm: percpu: enable per-cpu allocation tagging")
Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Signed-off-by: Kent Overstreet <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tool fix from Arnaldo Carvalho de Melo:
"Revert a patch causing a regression.
This made a simple 'perf record -e cycles:pp make -j199' stop working
on the Ampere ARM64 system Linus uses to test ARM64 kernels".
* tag 'perf-tools-fixes-for-v6.10-1-2024-05-26' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
Revert "perf parse-events: Prefer sysfs/JSON hardware events over legacy"
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This reverts commit 617824a7f0f73e4de325cf8add58e55b28c12493.
This made a simple 'perf record -e cycles:pp make -j199' stop working on
the Ampere ARM64 system Linus uses to test ARM64 kernels, as discussed
at length in the threads in the Link tags below.
The fix provided by Ian wasn't acceptable and work to fix this will take
time we don't have at this point, so lets revert this and work on it on
the next devel cycle.
Reported-by: Linus Torvalds <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Bhaskar Chowdhury <[email protected]>
Cc: Ethan Adams <[email protected]>
Cc: Ian Rogers <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: James Clark <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Kan Liang <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Thomas Richter <[email protected]>
Cc: Tycho Andersen <[email protected]>
Cc: Yang Jihong <[email protected]>
Link: https://lore.kernel.org/lkml/CAHk-=wi5Ri=yR2jBVk-4HzTzpoAWOgstr1LEvg_-OXtJvXXJOA@mail.gmail.com
Link: https://lore.kernel.org/lkml/CAHk-=wiWvtFyedDNpoV7a8Fq_FpbB+F5KmWK2xPY3QoYseOf_A@mail.gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
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