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Pull SCSI updates from James Bottomley:
"Updates to the usual drivers (scsi_debug, ufs, lpfc, st, fnic, mpi3mr,
mpt3sas) and the removal of cxlflash.
The only non-trivial core change is an addition to unit attention
handling to recognize UAs for power on/reset and new media so the tape
driver can use it"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (107 commits)
scsi: st: Tighten the page format heuristics with MODE SELECT
scsi: st: ERASE does not change tape location
scsi: st: Fix array overflow in st_setup()
scsi: target: tcm_loop: Fix wrong abort tag
scsi: lpfc: Restore clearing of NLP_UNREG_INP in ndlp->nlp_flag
scsi: hisi_sas: Fixed failure to issue vendor specific commands
scsi: fnic: Remove unnecessary NUL-terminations
scsi: fnic: Remove redundant flush_workqueue() calls
scsi: core: Use a switch statement when attaching VPD pages
scsi: ufs: renesas: Add initialization code for R-Car S4-8 ES1.2
scsi: ufs: renesas: Add reusable functions
scsi: ufs: renesas: Refactor 0x10ad/0x10af PHY settings
scsi: ufs: renesas: Remove register control helper function
scsi: ufs: renesas: Add register read to remove save/set/restore
scsi: ufs: renesas: Replace init data by init code
scsi: ufs: dt-bindings: renesas,ufs: Add calibration data
scsi: mpi3mr: Task Abort EH Support
scsi: storvsc: Don't report the host packet status as the hv status
scsi: isci: Make most module parameters static
scsi: megaraid_sas: Make most module parameters static
...
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Pull block updates from Jens Axboe:
- Fixes for integrity handling
- NVMe pull request via Keith:
- Secure concatenation for TCP transport (Hannes)
- Multipath sysfs visibility (Nilay)
- Various cleanups (Qasim, Baruch, Wang, Chen, Mike, Damien, Li)
- Correct use of 64-bit BARs for pci-epf target (Niklas)
- Socket fix for selinux when used in containers (Peijie)
- MD pull request via Yu:
- fix recovery can preempt resync (Li Nan)
- fix md-bitmap IO limit (Su Yue)
- fix raid10 discard with REQ_NOWAIT (Xiao Ni)
- fix raid1 memory leak (Zheng Qixing)
- fix mddev uaf (Yu Kuai)
- fix raid1,raid10 IO flags (Yu Kuai)
- some refactor and cleanup (Yu Kuai)
- Series cleaning up and fixing bugs in the bad block handling code
- Improve support for write failure simulation in null_blk
- Various lock ordering fixes
- Fixes for locking for debugfs attributes
- Various ublk related fixes and improvements
- Cleanups for blk-rq-qos wait handling
- blk-throttle fixes
- Fixes for loop dio and sync handling
- Fixes and cleanups for the auto-PI code
- Block side support for hardware encryption keys in blk-crypto
- Various cleanups and fixes
* tag 'for-6.15/block-20250322' of git://git.kernel.dk/linux: (105 commits)
nvmet: replace max(a, min(b, c)) by clamp(val, lo, hi)
nvme-tcp: fix selinux denied when calling sock_sendmsg
nvmet: pci-epf: Always configure BAR0 as 64-bit
nvmet: Remove duplicate uuid_copy
nvme: zns: Simplify nvme_zone_parse_entry()
nvmet: pci-epf: Remove redundant 'flush_workqueue()' calls
nvmet-fc: Remove unused functions
nvme-pci: remove stale comment
nvme-fc: Utilise min3() to simplify queue count calculation
nvme-multipath: Add visibility for queue-depth io-policy
nvme-multipath: Add visibility for numa io-policy
nvme-multipath: Add visibility for round-robin io-policy
nvmet: add tls_concat and tls_key debugfs entries
nvmet-tcp: support secure channel concatenation
nvmet: Add 'sq' argument to alloc_ctrl_args
nvme-fabrics: reset admin connection for secure concatenation
nvme-tcp: request secure channel concatenation
nvme-keyring: add nvme_tls_psk_refresh()
nvme: add nvme_auth_derive_tls_psk()
nvme: add nvme_auth_generate_digest()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull MSI irq updates from Thomas Gleixner:
- Switch the MSI descriptor locking to guards
- Replace the broken PCI/TPH implementation, which lacks any form of
serialization against concurrent modifications with a properly
serialized mechanism in the PCI/MSI core code
- Replace the MSI descriptor abuse in the SCSI/UFS Qualcom driver with
dedicated driver internal storage
* tag 'irq-msi-2025-03-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq/msi: Rename msi_[un]lock_descs()
scsi: ufs: qcom: Remove the MSI descriptor abuse
PCI/TPH: Replace the broken MSI-X control word update
PCI/MSI: Provide a sane mechanism for TPH
PCI: hv: Switch MSI descriptor locking to guard()
PCI/MSI: Switch to MSI descriptor locking to guard()
NTB/msi: Switch MSI descriptor locking to lock guard()
soc: ti: ti_sci_inta_msi: Switch MSI descriptor locking to guard()
genirq/msi: Use lock guards for MSI descriptor locking
cleanup: Provide retain_ptr()
genirq/msi: Make a few functions static
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There is a TOCTOU race in ufshcd_compl_one_cqe(): hba->dev_cmd.complete may
be cleared from another thread after it has been checked and before it is
used. Fix this race by moving the device command completion from the stack
of the device command submitter into struct ufs_hba. This patch fixes the
following kernel crash:
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008
Call trace:
_raw_spin_lock_irqsave+0x34/0x80
complete+0x24/0xb8
ufshcd_compl_one_cqe+0x13c/0x4f0
ufshcd_mcq_poll_cqe_lock+0xb4/0x108
ufshcd_intr+0x2f4/0x444
__handle_irq_event_percpu+0xbc/0x250
handle_irq_event+0x48/0xb0
Fixes: 5a0b0cb9bee7 ("[SCSI] ufs: Add support for sending NOP OUT UPIU")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20250314225206.1487838-1-bvanassche@acm.org
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers
Qualcomm driver updates for v6.15
Improve the client interface for the Qualcomm ICE driver to avoid
leaking references, including fixing the client drivers to call the new
function.
Adopt str_on_off() helper in AOSS driver and mark non-global servreg QMI
element info array in the PDR driver static.
* tag 'qcom-drivers-for-6.15' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
soc: qcom: Do not expose internal servreg_location_entry_ei array
soc: qcom: ice: make of_qcom_ice_get() static
scsi: ufs: qcom: fix dev reference leaked through of_qcom_ice_get
mmc: sdhci-msm: fix dev reference leaked through of_qcom_ice_get
soc: qcom: ice: introduce devm_of_qcom_ice_get
dt-bindings: soc: qcom: qcom,pmic-glink: Document SM8750 compatible
soc: qcom: Use str_enable_disable-like helpers
Link: https://lore.kernel.org/r/20250317210158.2025380-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The driver abuses the MSI descriptors for internal purposes. Aside of core
code and MSI providers nothing has to care about their existence. They have
been encapsulated with a lot of effort because this kind of abuse caused
all sorts of issues including a maintainability nightmare.
Rewrite the code so it uses dedicated storage to hand the required
information to the interrupt handler.
No functional change intended.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250313130321.963504017@linutronix.de
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Geert Uytterhoeven <geert+renesas@glider.be> says:
Hi all,
Initialization of the UFS controller on R-Car S4-8 ES1.0 requires only
static values. However, other UFS controller variants (R-Car S4-8 ES 1.2)
require dynamic values, like those obtained from E-FUSE, and downloading
firmware.
Hence this patch series refactors the initialization code to prepare for
this, and adds support for the UFS controller on R-Car S4-8 ES1.2.
The accompanying DTS change is available at [1].
This has been tested on:
- Renesas Spider with R-Car S4-8 ES1.0 (broken before/after),
- Renesas S4 Starter Kit with R-Car S4-8 ES1.2 (works after).
Thanks for your comments!
[1] "[PATCH] arm64: dts: renesas: r8a779f4: Add UFS tuning parameters in
E-FUSE"
https://lore.kernel.org/3e4fca228eb049d54a1ae520104558505dbdf803.1741179629.git.geert+renesas@glider.be
[2] "[PATCH v2 0/5] scsi: ufs: renesas: Refactor code for other UFS
controller"
https://lore.kernel.org/20240709023550.1750333-1-yoshihiro.shimoda.uh@renesas.com
[3] "[PATCH 0/5] scsi: ufs: renesas: Refactor code for other UFS
controller"
https://lore.kernel.org/20240708120931.1703956-1-yoshihiro.shimoda.uh@renesas.com
Link: https://lore.kernel.org/r/cover.1741179611.git.geert+renesas@glider.be
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Add initialization code for R-Car S4-8 ES1.2 to improve transfer stability.
Using the new code requires downloading firmware and reading calibration
data from E-FUSE. If either fails, the driver falls back to the old
initialization code.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Co-developed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/97d83709495c764b2456d4d25846f5f48197cad0.1741179611.git.geert+renesas@glider.be
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Since some settings can be reused on other UFS controller (R-Car S4-8
ES1.2), add reusable functions.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/446d67b751a96645799de3aeefec539735aa78c8.1741179611.git.geert+renesas@glider.be
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Extract specific PHY setting of the 0x10a[df] registers into a new
function.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/110eafd1ee24f9db0285a5e2bca224e35962268a.1741179611.git.geert+renesas@glider.be
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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After refactoring the code, ufs_renesas_reg_control() is no longer needed,
because all operations are simple and can be called directly. Remove the
ufs_renesas_reg_control() helper function, and call udelay() directly.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/69500e4c18be1ca1de360f9e797e282ffef04004.1741179611.git.geert+renesas@glider.be
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Add support for returning read register values from
ufs_renesas_reg_control(), so ufs_renesas_set_phy() can use the existing
ufs_renesas_write_phy() helper. Remove the now unused code to save to,
set, and restore from a static array inside ufs_renesas_reg_control().
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/9fa240a9dc0308d6675138f8434eccb77f051650.1741179611.git.geert+renesas@glider.be
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Since initialization of the UFS controller on R-Car S4-8 ES1.0 requires
only static values, the driver uses initialization data stored in the const
ufs_param[] array. However, other UFS controller variants (R-Car S4-8
ES1.2) require dynamic values, like those obtained from E-FUSE. Refactor
the initialization code to prepare for this.
This also reduces kernel size by almost 30 KiB.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/3520e27ac7ff512de6508f630eee3c1689a7c73d.1741179611.git.geert+renesas@glider.be
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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./drivers/ufs/host/ufs-rockchip.c:268:70-75: WARNING: conversion to bool not needed here.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=19055
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/20250226021157.77934-1-jiapeng.chong@linux.alibaba.com
Acked-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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A positive value is for the number of clocks obtained if assigned.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Link: https://lore.kernel.org/r/1740552733-182527-1-git-send-email-shawn.lin@rock-chips.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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There is a spelling mistake in a dev_err message. Fix it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20250225101142.161474-1-colin.i.king@gmail.com
Acked-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Shawn Lin <shawn.lin@rock-chips.com> says:
This patchset adds initial UFS controller supprt for RK3576 SoC.
Patch 1 is the dt-bindings. Patch 2-4 deal with rpm and spm support
in advanced suggested by Ulf. Patch 5 exports two new APIs for host
driver. Patch 6 and 7 are the host driver and dtsi support.
Link: https://lore.kernel.org/r/1738736156-119203-1-git-send-email-shawn.lin@rock-chips.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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RK3576 SoC contains a UFS controller, add initial support for it.
The features are:
1. support UFS 2.0 features
2. High speed up to HS-G3
3. 2RX-2TX lanes
4. auto H8 entry and exit
Software limitation:
1. HCE procedure: enable controller->enable intr->dme_reset->dme_enable
2. disable unipro timeout values before power mode change
[mkp: fix build errors]
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Link: https://lore.kernel.org/r/1738736156-119203-7-git-send-email-shawn.lin@rock-chips.com
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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These two APIs will be used by glue driver if they need a different HCE
process.
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Link: https://lore.kernel.org/r/1738736156-119203-6-git-send-email-shawn.lin@rock-chips.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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If the device doesn't support arpmb we'll crash due to copying user data in
bsg_transport_sg_io_fn().
In the case where ufs_bsg_exec_advanced_rpmb_req() returns an error, do not
set the job's reply_len.
Memory crash backtrace:
3,1290,531166405,-;ufshcd 0000:00:12.5: ARPMB OP failed: error code -22
4,1308,531166555,-;Call Trace:
4,1309,531166559,-; <TASK>
4,1310,531166565,-; ? show_regs+0x6d/0x80
4,1311,531166575,-; ? die+0x37/0xa0
4,1312,531166583,-; ? do_trap+0xd4/0xf0
4,1313,531166593,-; ? do_error_trap+0x71/0xb0
4,1314,531166601,-; ? usercopy_abort+0x6c/0x80
4,1315,531166610,-; ? exc_invalid_op+0x52/0x80
4,1316,531166622,-; ? usercopy_abort+0x6c/0x80
4,1317,531166630,-; ? asm_exc_invalid_op+0x1b/0x20
4,1318,531166643,-; ? usercopy_abort+0x6c/0x80
4,1319,531166652,-; __check_heap_object+0xe3/0x120
4,1320,531166661,-; check_heap_object+0x185/0x1d0
4,1321,531166670,-; __check_object_size.part.0+0x72/0x150
4,1322,531166679,-; __check_object_size+0x23/0x30
4,1323,531166688,-; bsg_transport_sg_io_fn+0x314/0x3b0
Fixes: 6ff265fc5ef6 ("scsi: ufs: core: bsg: Add advanced RPMB support in ufs_bsg")
Cc: stable@vger.kernel.org
Reviewed-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Arthur Simchaev <arthur.simchaev@sandisk.com>
Link: https://lore.kernel.org/r/20250220142039.250992-1-arthur.simchaev@sandisk.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Ziqi Chen <quic_ziqichen@quicinc.com> says:
With OPP V2 enabled, devfreq can scale clocks amongst multiple frequency
plans. However, the gear speed is only toggled between min and max during
clock scaling. Enable multi-level gear scaling by mapping clock frequencies
to gear speeds, so that when devfreq scales clock frequencies we can put
the UFS link at the appropraite gear speeds accordingly.
This series has been tested on below platforms -
sm8550 mtp + UFS3.1
SM8650 MTP + UFS3.1
SM8750 MTP + UFS4.0
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-HDK
Link: https://lore.kernel.org/r/20250213080008.2984807-1-quic_ziqichen@quicinc.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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During clock scaling, Write Booster is toggled on or off based on whether
the clock is scaled up or down. However, with OPP V2 powered multi-level
gear scaling, the gear can be scaled amongst multiple gear speeds, e.g., it
may scale down from G5 to G4, or from G4 to G2. To provide flexibilities,
add a new field for clock scaling such that during clock scaling Write
Booster can be enabled or disabled based on gear speeds but not based on
scaling up or down.
Signed-off-by: Can Guo <quic_cang@quicinc.com>
Co-developed-by: Ziqi Chen <quic_ziqichen@quicinc.com>
Signed-off-by: Ziqi Chen <quic_ziqichen@quicinc.com>
Link: https://lore.kernel.org/r/20250213080008.2984807-8-quic_ziqichen@quicinc.com
Reviewed-by: Bean Huo <beanhuo@micron.com>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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When disabling clkscale via the clkscale_enable sysfs entry, UFS driver
shall perform scaling up once regardless. Check if scaling up is required
or not first to avoid repetitive work.
Signed-off-by: Ziqi Chen <quic_ziqichen@quicinc.com>
Co-developed-by: Can Guo <quic_cang@quicinc.com>
Signed-off-by: Can Guo <quic_cang@quicinc.com>
Link: https://lore.kernel.org/r/20250213080008.2984807-7-quic_ziqichen@quicinc.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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With OPP V2 enabled, devfreq can scale clocks amongst multiple frequency
plans. However, the gear speed is only toggled between min and max during
clock scaling. Enable multi-level gear scaling by mapping clock frequencies
to gear speeds, so that when devfreq scales clock frequencies we can put
the UFS link at the appropriate gear speeds accordingly.
Signed-off-by: Can Guo <quic_cang@quicinc.com>
Co-developed-by: Ziqi Chen <quic_ziqichen@quicinc.com>
Signed-off-by: Ziqi Chen <quic_ziqichen@quicinc.com>
Link: https://lore.kernel.org/r/20250213080008.2984807-6-quic_ziqichen@quicinc.com
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Implement the freq_to_gear_speed() vop to map the unipro core clock
frequency to the corresponding maximum supported gear speed.
Signed-off-by: Can Guo <quic_cang@quicinc.com>
Co-developed-by: Ziqi Chen <quic_ziqichen@quicinc.com>
Signed-off-by: Ziqi Chen <quic_ziqichen@quicinc.com>
Link: https://lore.kernel.org/r/20250213080008.2984807-5-quic_ziqichen@quicinc.com
Reviewed-by: Bean Huo <beanhuo@micron.com>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Add a vop to map UFS host controller clock frequencies to the corresponding
maximum supported UFS high speed gear speeds. During clock scaling, we can
map the target clock frequency, demanded by devfreq, to the maximum
supported gear speed, so that devfreq can scale the gear to the highest
gear speed supported at the target clock frequency, instead of just scaling
up/down the gear between the min and max gear speeds.
Co-developed-by: Ziqi Chen <quic_ziqichen@quicinc.com>
Signed-off-by: Ziqi Chen <quic_ziqichen@quicinc.com>
Signed-off-by: Can Guo <quic_cang@quicinc.com>
Link: https://lore.kernel.org/r/20250213080008.2984807-4-quic_ziqichen@quicinc.com
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Instead of only two frequencies, if OPP V2 is used, the UFS devfreq clock
scaling may scale the clock among multiple frequencies. In the case of
scaling up, the devfreq may decide to scale the clock to an intermediate
freq based on load, but the clock scale up pre change operation uses
settings for the max clock freq unconditionally. Fix it by passing the
target_freq to clock scale up pre change so that the correct settings for
the target_freq can be used.
In the case of scaling down, the clock scale down post change operation is
doing fine, because it reads the actual clock rate to tell freq, but to
keep symmetry with clock scale up pre change operation, just use the
target_freq instead of reading clock rate.
Signed-off-by: Can Guo <quic_cang@quicinc.com>
Co-developed-by: Ziqi Chen <quic_ziqichen@quicinc.com>
Signed-off-by: Ziqi Chen <quic_ziqichen@quicinc.com>
Link: https://lore.kernel.org/r/20250213080008.2984807-3-quic_ziqichen@quicinc.com
Reviewed-by: Bean Huo <beanhuo@micron.com>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Instead of only two frequencies, if OPP V2 is used, the UFS devfreq clock
scaling may scale the clock among multiple frequencies, so just passing
up/down to vop clk_scale_notify() is not enough to cover the intermediate
clock freqs between the min and max freqs. Hence pass the target_freq,
which will be used in successive commits, to clk_scale_notify() to allow
the vop to perform corresponding configurations with regard to the clock
freqs.
Signed-off-by: Can Guo <quic_cang@quicinc.com>
Co-developed-by: Ziqi Chen <quic_ziqichen@quicinc.com>
Signed-off-by: Ziqi Chen <quic_ziqichen@quicinc.com>
Link: https://lore.kernel.org/r/20250213080008.2984807-2-quic_ziqichen@quicinc.com
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Commit bb9850704c04 ("scsi: ufs: core: Honor runtime/system PM levels if
set by host controller drivers") introduced the check for setting default
PM levels only if the levels are uninitialized by the host controller
drivers. But it missed the fact that the levels could be initialized to 0
(UFS_PM_LVL_0) on purpose by the controller drivers. Even though none of
the drivers are doing so now, the logic should be fixed irrespectively.
So set the default levels unconditionally before calling ufshcd_hba_init()
API which initializes the controller drivers. It ensures that the
controller drivers could override the default levels if required.
Fixes: bb9850704c04 ("scsi: ufs: core: Honor runtime/system PM levels if set by host controller drivers")
Reported-by: Bao D. Nguyen <quic_nguyenb@quicinc.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20250219105047.49932-1-manivannan.sadhasivam@linaro.org
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Since 'commit 104cd58d9af8 ("scsi: ufs: qcom: Remove support for host
controllers older than v2.0")', some of the parameters passed into the
ufs_qcom_cfg_timers() function have become dead code. Clean up
ufs_qcom_cfg_timers() function to improve the readability.
Signed-off-by: Bao D. Nguyen <quic_nguyenb@quicinc.com>
Link: https://lore.kernel.org/r/547c484ce80fe3624ee746954b84cae28bd38a09.1739985266.git.quic_nguyenb@quicinc.com
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Include the ufs_hba structure as a parameter in various trace events to
provide more context and improve debugging capabilities. Also remove
dev_name which can replace by dev_name(hba->dev).
Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Link: https://lore.kernel.org/r/20250214083026.1177880-1-peter.wang@mediatek.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
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ufshcd_is_ufs_dev_busy(), ufshcd_print_host_state() and
ufshcd_eh_timed_out() are used in both modes (legacy mode and MCQ mode).
hba->outstanding_reqs only represents the outstanding requests in legacy
mode. Hence, change hba->outstanding_reqs into scsi_host_busy(hba->host) in
these functions.
Fixes: eacb139b77ff ("scsi: ufs: core: mcq: Enable multi-circular queue")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20250214224352.3025151-1-bvanassche@acm.org
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The driver leaks the device reference taken with
of_find_device_by_node(). Fix the leak by using devm_of_qcom_ice_get().
Fixes: 56541c7c4468 ("scsi: ufs: ufs-qcom: Switch to the new ICE API")
Cc: stable@vger.kernel.org
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com> # SCSI
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20250117-qcom-ice-fix-dev-leak-v2-3-1ffa5b6884cb@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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The third pwr_change_notify() argument is an input parameter. Make this
explicit by declaring it 'const'.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20250212213838.1044917-1-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Martin hi,
The UFS4.1 standard, released on January 8, 2025, added a new exception
event: HEALTH_CRITICAL, which notifies the host of a device's critical
health condition. This notification implies that the device is approaching
the end of its lifetime based on the amount of performed program/erase
cycles.
Once an EOL (End-of-Life) exception event is received, we increment a
designated member, which is exposed via a sysfs entry. This new entry, will
report the number of times a critical health event has been reported by a
UFS device.
To handle this new sysfs entry, userspace applications can use select(),
poll(), or epoll() to monitor changes in the critical_health attribute. The
kernel will call sysfs_notify() to signal changes, allowing the userspace
application to detect and respond to these changes efficiently.
The host can gain further insight into the specific issue by reading one of
the following attributes: bPreEOLInfo, bDeviceLifeTimeEstA,
bDeviceLifeTimeEstB, bWriteBoosterBufferLifeTimeEst, and
bRPMBLifeTimeEst. All those are available for reading via the driver's
sysfs entries or through an applicable utility. It is up to userspace to
read these attributes if needed.
Signed-off-by: Avri Altman <avri.altman@wdc.com>
Link: https://lore.kernel.org/r/20250211065813.58091-1-avri.altman@wdc.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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To prevent keys from being compromised if an attacker acquires read
access to kernel memory, some inline encryption hardware can accept keys
which are wrapped by a per-boot hardware-internal key. This avoids
needing to keep the raw keys in kernel memory, without limiting the
number of keys that can be used. Such hardware also supports deriving a
"software secret" for cryptographic tasks that can't be handled by
inline encryption; this is needed for fscrypt to work properly.
To support this hardware, allow struct blk_crypto_key to represent a
hardware-wrapped key as an alternative to a raw key, and make drivers
set flags in struct blk_crypto_profile to indicate which types of keys
they support. Also add the ->derive_sw_secret() low-level operation,
which drivers supporting wrapped keys must implement.
For more information, see the detailed documentation which this patch
adds to Documentation/block/inline-encryption.rst.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Tested-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> # sm8650
Link: https://lore.kernel.org/r/20250204060041.409950-2-ebiggers@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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By default, the UFS controller allocates a fixed number of RX and TX
engines statically. Consequently, when UFS reads are in progress, the TX
ICE engines remain idle, and vice versa. This leads to inefficient
utilization of RX and TX engines.
To address this limitation, enable the UFS shared ICE feature for Qualcomm
UFS V5.0 and above. This feature utilizes a pool of crypto cores for both
TX streams (UFS Write – Encryption) and RX streams (UFS Read –
Decryption). With this approach, crypto cores are dynamically allocated to
either the RX or TX stream as needed.
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Co-developed-by: Naveen Kumar Goud Arepalli <quic_narepall@quicinc.com>
Signed-off-by: Naveen Kumar Goud Arepalli <quic_narepall@quicinc.com>
Co-developed-by: Nitin Rawat <quic_nitirawa@quicinc.com>
Signed-off-by: Nitin Rawat <quic_nitirawa@quicinc.com>
Signed-off-by: Ram Kumar Dwivedi <quic_rdwivedi@quicinc.com>
Link: https://lore.kernel.org/r/20250203112739.11425-1-quic_rdwivedi@quicinc.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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There is currently no mechanism to return error from query responses.
Return the error and print the corresponding error message with it.
Signed-off-by: Seunghui Lee <sh043.lee@samsung.com>
Link: https://lore.kernel.org/r/20250118023808.24726-1-sh043.lee@samsung.com
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
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devm_blk_crypto_profile_init() registers a cleanup handler to run when
the associated (platform-) device is being released. For UFS, the
crypto private data and pointers are stored as part of the ufs_hba's
data structure 'struct ufs_hba::crypto_profile'. This structure is
allocated as part of the underlying ufshcd and therefore Scsi_host
allocation.
During driver release or during error handling in ufshcd_pltfrm_init(),
this structure is released as part of ufshcd_dealloc_host() before the
(platform-) device associated with the crypto call above is released.
Once this device is released, the crypto cleanup code will run, using
the just-released 'struct ufs_hba::crypto_profile'. This causes a
use-after-free situation:
Call trace:
kfree+0x60/0x2d8 (P)
kvfree+0x44/0x60
blk_crypto_profile_destroy_callback+0x28/0x70
devm_action_release+0x1c/0x30
release_nodes+0x6c/0x108
devres_release_all+0x98/0x100
device_unbind_cleanup+0x20/0x70
really_probe+0x218/0x2d0
In other words, the initialisation code flow is:
platform-device probe
ufshcd_pltfrm_init()
ufshcd_alloc_host()
scsi_host_alloc()
allocation of struct ufs_hba
creation of scsi-host devices
devm_blk_crypto_profile_init()
devm registration of cleanup handler using platform-device
and during error handling of ufshcd_pltfrm_init() or during driver
removal:
ufshcd_dealloc_host()
scsi_host_put()
put_device(scsi-host)
release of struct ufs_hba
put_device(platform-device)
crypto cleanup handler
To fix this use-after free, change ufshcd_alloc_host() to register a
devres action to automatically cleanup the underlying SCSI device on
ufshcd destruction, without requiring explicit calls to
ufshcd_dealloc_host(). This way:
* the crypto profile and all other ufs_hba-owned resources are
destroyed before SCSI (as they've been registered after)
* a memleak is plugged in tc-dwc-g210-pci.c remove() as a
side-effect
* EXPORT_SYMBOL_GPL(ufshcd_dealloc_host) can be removed fully as
it's not needed anymore
* no future drivers using ufshcd_alloc_host() could ever forget
adding the cleanup
Fixes: cb77cb5abe1f ("blk-crypto: rename blk_keyslot_manager to blk_crypto_profile")
Fixes: d76d9d7d1009 ("scsi: ufs: use devm_blk_ksm_init()")
Cc: stable@vger.kernel.org
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://lore.kernel.org/r/20250124-ufshcd-fix-v4-1-c5d0144aae59@linaro.org
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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This commit addresses an issue where clk_gating.state is being toggled in
ufshcd_setup_clocks() even if clock gating is not allowed.
The fix is to add a check for hba->clk_gating.is_initialized before toggling
clk_gating.state in ufshcd_setup_clocks().
Since clk_gating.lock is now initialized unconditionally, it can no longer
lead to the spinlock being used before it is properly initialized, but
instead it is mostly for documentation purposes.
Fixes: 1ab27c9cf8b6 ("ufs: Add support for clock gating")
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Avri Altman <avri.altman@wdc.com>
Link: https://lore.kernel.org/r/20250128071207.75494-3-avri.altman@wdc.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Address a lockdep warning triggered by the use of the clk_gating.lock before
it is properly initialized. The warning is as follows:
[ 4.388838] INFO: trying to register non-static key.
[ 4.395673] The code is fine but needs lockdep annotation, or maybe
[ 4.402118] you didn't initialize this object before use?
[ 4.407673] turning off the locking correctness validator.
[ 4.413334] CPU: 5 UID: 0 PID: 58 Comm: kworker/u32:1 Not tainted 6.12-rc1 #185
[ 4.413343] Hardware name: Qualcomm Technologies, Inc. Robotics RB5 (DT)
[ 4.413362] Call trace:
[ 4.413364] show_stack+0x18/0x24 (C)
[ 4.413374] dump_stack_lvl+0x90/0xd0
[ 4.413384] dump_stack+0x18/0x24
[ 4.413392] register_lock_class+0x498/0x4a8
[ 4.413400] __lock_acquire+0xb4/0x1b90
[ 4.413406] lock_acquire+0x114/0x310
[ 4.413413] _raw_spin_lock_irqsave+0x60/0x88
[ 4.413423] ufshcd_setup_clocks+0x2c0/0x490
[ 4.413433] ufshcd_init+0x198/0x10ec
[ 4.413437] ufshcd_pltfrm_init+0x600/0x7c0
[ 4.413444] ufs_qcom_probe+0x20/0x58
[ 4.413449] platform_probe+0x68/0xd8
[ 4.413459] really_probe+0xbc/0x268
[ 4.413466] __driver_probe_device+0x78/0x12c
[ 4.413473] driver_probe_device+0x40/0x11c
[ 4.413481] __device_attach_driver+0xb8/0xf8
[ 4.413489] bus_for_each_drv+0x84/0xe4
[ 4.413495] __device_attach+0xfc/0x18c
[ 4.413502] device_initial_probe+0x14/0x20
[ 4.413510] bus_probe_device+0xb0/0xb4
[ 4.413517] deferred_probe_work_func+0x8c/0xc8
[ 4.413524] process_scheduled_works+0x250/0x658
[ 4.413534] worker_thread+0x15c/0x2c8
[ 4.413542] kthread+0x134/0x200
[ 4.413550] ret_from_fork+0x10/0x20
To fix this issue, ensure that the spinlock is only used after it has been
properly initialized before using it in ufshcd_setup_clocks(). Do that
unconditionally as initializing a spinlock is a fast operation.
Fixes: 209f4e43b806 ("scsi: ufs: core: Introduce a new clock_gating lock")
Reported-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Avri Altman <avri.altman@wdc.com>
Link: https://lore.kernel.org/r/20250128071207.75494-2-avri.altman@wdc.com
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
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Pull outstanding fixes bound for this release into 6.14/scsi-fixes.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
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Pull more block updates from Jens Axboe:
- MD pull request via Song:
- Fix a md-cluster regression introduced
- More sysfs race fixes
- Mark anything inside queue freezing as not being able to do IO for
memory allocations
- Fix for a regression introduced in loop in this merge window
- Fix for a regression in queue mapping setups introduced in this merge
window
- Fix for the block dio fops attempting an iov_iter revert upton
getting -EIOCBQUEUED on the read side. This one is going to stable as
well
* tag 'block-6.14-20250131' of git://git.kernel.dk/linux:
block: force noio scope in blk_mq_freeze_queue
block: fix nr_hw_queue update racing with disk addition/removal
block: get rid of request queue ->sysfs_dir_lock
loop: don't clear LO_FLAGS_PARTSCAN on LOOP_SET_STATUS{,64}
md/md-bitmap: Synchronize bitmap_get_stats() with bitmap lifetime
blk-mq: create correct map for fallback case
block: don't revert iter for -EIOCBQUEUED
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When block drivers or the core block code perform allocations with a
frozen queue, this could try to recurse into the block device to
reclaim memory and deadlock. Thus all allocations done by a process
that froze a queue need to be done without __GFP_IO and __GFP_FS.
Instead of tying to track all of them down, force a noio scope as
part of freezing the queue.
Note that nvme is a bit of a mess here due to the non-owner freezes,
and they will be addressed separately.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20250131120352.1315351-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Pull SCSI updates from James Bottomley:
"Updates to the usual drivers (ufs, lpfc, fnic, qla2xx, mpi3mr).
The major core change is the renaming of the slave_ methods plus a bit
of constification. The rest are minor updates and fixes"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (103 commits)
scsi: fnic: Propagate SCSI error code from fnic_scsi_drv_init()
scsi: fnic: Test for memory allocation failure and return error code
scsi: fnic: Return appropriate error code from failure of scsi drv init
scsi: fnic: Return appropriate error code for mem alloc failure
scsi: fnic: Remove always-true IS_FNIC_FCP_INITIATOR macro
scsi: fnic: Fix use of uninitialized value in debug message
scsi: fnic: Delete incorrect debugfs error handling
scsi: fnic: Remove unnecessary else to fix warning in FDLS FIP
scsi: fnic: Remove extern definition from .c files
scsi: fnic: Remove unnecessary else and unnecessary break in FDLS
scsi: mpi3mr: Fix possible crash when setting up bsg fails
scsi: ufs: bsg: Set bsg_queue to NULL after removal
scsi: ufs: bsg: Delete bsg_dev when setting up bsg fails
scsi: st: Don't set pos_unknown just after device recognition
scsi: aic7xxx: Fix build 'aicasm' warning
scsi: Revert "scsi: ufs: core: Probe for EXT_IID support"
scsi: storvsc: Ratelimit warning logs to prevent VM denial of service
scsi: scsi_debug: Constify sdebug_driver_template
scsi: documentation: Corrections for struct updates
scsi: driver-api: documentation: Change what is added to docbook
...
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This commit simplifies the temperature exception event handling by removing
the ufshcd_temp_exception_event_handler() function and directly calling
ufs_hwmon_notify_event() in ufshcd_exception_event_handler().
The ufshcd_temp_exception_event_handler() function contained a placeholder
comment for platform vendors to add additional steps if required. However,
since its introduction a few years ago, no vendor has added any additional
steps. Therefore, the placeholder function is removed to streamline the
code.
Signed-off-by: Avri Altman <avri.altman@wdc.com>
Link: https://lore.kernel.org/r/20250114181205.153760-1-avri.altman@wdc.com
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
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Pull block updates from Jens Axboe:
- NVMe pull requests via Keith:
- Target support for PCI-Endpoint transport (Damien)
- TCP IO queue spreading fixes (Sagi, Chaitanya)
- Target handling for "limited retry" flags (Guixen)
- Poll type fix (Yongsoo)
- Xarray storage error handling (Keisuke)
- Host memory buffer free size fix on error (Francis)
- MD pull requests via Song:
- Reintroduce md-linear (Yu Kuai)
- md-bitmap refactor and fix (Yu Kuai)
- Replace kmap_atomic with kmap_local_page (David Reaver)
- Quite a few queue freeze and debugfs deadlock fixes
Ming introduced lockdep support for this in the 6.13 kernel, and it
has (unsurprisingly) uncovered quite a few issues
- Use const attributes for IO schedulers
- Remove bio ioprio wrappers
- Fixes for stacked device atomic write support
- Refactor queue affinity helpers, in preparation for better supporting
isolated CPUs
- Cleanups of loop O_DIRECT handling
- Cleanup of BLK_MQ_F_* flags
- Add rotational support for null_blk
- Various fixes and cleanups
* tag 'for-6.14/block-20250118' of git://git.kernel.dk/linux: (106 commits)
block: Don't trim an atomic write
block: Add common atomic writes enable flag
md/md-linear: Fix a NULL vs IS_ERR() bug in linear_add()
block: limit disk max sectors to (LLONG_MAX >> 9)
block: Change blk_stack_atomic_writes_limits() unit_min check
block: Ensure start sector is aligned for stacking atomic writes
blk-mq: Move more error handling into blk_mq_submit_bio()
block: Reorder the request allocation code in blk_mq_submit_bio()
nvme: fix bogus kzalloc() return check in nvme_init_effects_log()
md/md-bitmap: move bitmap_{start, end}write to md upper layer
md/raid5: implement pers->bitmap_sector()
md: add a new callback pers->bitmap_sector()
md/md-bitmap: remove the last parameter for bimtap_ops->endwrite()
md/md-bitmap: factor behind write counters out from bitmap_{start/end}write()
md: Replace deprecated kmap_atomic() with kmap_local_page()
md: reintroduce md-linear
partitions: ldm: remove the initial kernel-doc notation
blk-cgroup: rwstat: fix kernel-doc warnings in header file
blk-cgroup: fix kernel-doc warnings in header file
nbd: fix partial sending
...
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Currently, this does not cause any issues, but I believe it is necessary to
set bsg_queue to NULL after removing it to prevent potential use-after-free
(UAF) access.
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Link: https://lore.kernel.org/r/20241218014214.64533-3-kanie@linux.alibaba.com
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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We should remove the bsg device when bsg_setup_queue() fails to release the
resources.
Fixes: df032bf27a41 ("scsi: ufs: Add a bsg endpoint that supports UPIUs")
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Link: https://lore.kernel.org/r/20241218014214.64533-2-kanie@linux.alibaba.com
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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This reverts commit 6e1d850acff9477ae4c18a73c19ef52841ac2010.
Although added a while ago, to date no one make use of ext_iid,
specifically incorporates it in the upiu header. Therefore, remove it as
it is currently unused and not serving any purpose.
Signed-off-by: Avri Altman <avri.altman@wdc.com>
Link: https://lore.kernel.org/r/20250103080204.63951-1-avri.altman@wdc.com
Cc: Can Guo <quic_cang@quicinc.com>
Cc: Asutosh Das <quic_asutoshd@quicinc.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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