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2021-04-07clk: qcom: gpucc-sm8150: use parent_hws where possibleDmitry Baryshkov1-4/+4
Switch to using parent_hws instead of parent_data when parents are defined in this driver and so accessible using clk_hw. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-26-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: gcc-sm8350: use parent_hws where possibleDmitry Baryshkov1-156/+154
Switch to using parent_hws instead of parent_data when parents are defined in this driver and so accessible using clk_hw. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-25-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: gcc-sm8250: use parent_hws where possibleDmitry Baryshkov1-126/+126
Switch to using parent_hws instead of parent_data when parents are defined in this driver and so accessible using clk_hw. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-24-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: gcc-sm8150: use parent_hws where possibleDmitry Baryshkov1-2/+2
Switch to using parent_hws instead of parent_data when parents are defined in this driver and so accessible using clk_hw. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-23-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: gcc-sdx55: use parent_hws where possibleDmitry Baryshkov1-4/+4
Switch to using parent_hws instead of parent_data when parents are defined in this driver and so accessible using clk_hw. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-22-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: gcc-sc7280: use parent_hws where possibleDmitry Baryshkov1-124/+124
Switch to using parent_hws instead of parent_data when parents are defined in this driver and so accessible using clk_hw. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-21-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: gcc-sc7180: use parent_hws where possibleDmitry Baryshkov1-82/+82
Switch to using parent_hws instead of parent_data when parents are defined in this driver and so accessible using clk_hw. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-20-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: dispcc-sm8250: use parent_hws where possibleDmitry Baryshkov1-58/+58
Switch to using parent_hws instead of parent_data when parents are defined in this driver and so accessible using clk_hw. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-19-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: dispcc-sc7180: use parent_hws where possibleDmitry Baryshkov1-34/+34
Switch to using parent_hws instead of parent_data when parents are defined in this driver and so accessible using clk_hw. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-18-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: videocc-sdm845: get rid of the test clockDmitry Baryshkov1-3/+0
The test clock isn't in the bindings and apparently it's not used by anyone upstream. Remove it. Suggested-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-17-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: dispcc-sdm845: get rid of the test clockDmitry Baryshkov1-11/+0
The test clock isn't in the bindings and apparently it's not used by anyone upstream. Remove it. Suggested-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-16-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: gpucc-sdm845: get rid of the test clockDmitry Baryshkov1-3/+0
The test clock isn't in the bindings and apparently it's not used by anyone upstream. Remove it. Suggested-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-15-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: videocc-sdm845: convert to parent dataDmitry Baryshkov1-27/+29
Convert the clock driver to specify parent data rather than parent names, to actually bind using 'clock-names' specified in the DTS rather than global clock names. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-14-dmitry.baryshkov@linaro.org [sboyd@kernel.org: Silence checkpatch block comments] Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: gpucc-sdm845: convert to parent dataDmitry Baryshkov1-21/+23
Convert the clock driver to specify parent data rather than parent names, to actually bind using 'clock-names' specified in the DTS rather than global clock names. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-13-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: dispcc-sdm845: convert to parent dataDmitry Baryshkov1-107/+109
Convert the clock driver to specify parent data rather than parent names, to actually bind using 'clock-names' specified in the DTS rather than global clock names. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-12-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: videocc-sm8250: drop unused enum entriesDmitry Baryshkov1-2/+0
Drop unused enum entries from the list of parent enums. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-11-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: videocc-sm8150: drop unused enum entriesDmitry Baryshkov1-4/+0
Drop unused enum entries from the list of parent enums. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-10-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: videocc-sc7180: drop unused enum entriesDmitry Baryshkov1-4/+0
Drop unused enum entries from the list of parent enums. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Taniya Das <tdas@codeaurora.org> Link: https://lore.kernel.org/r/20210405224743.590029-9-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: gpucc-sm8250: drop unused enum entriesDmitry Baryshkov1-1/+0
Drop unused enum entries from the list of parent enums. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Taniya Das <tdas@codeaurora.org> Link: https://lore.kernel.org/r/20210405224743.590029-8-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: gpucc-sm8150: drop unused enum entriesDmitry Baryshkov1-1/+0
Drop unused enum entries from the list of parent enums. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-7-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: gpucc-sdm845: drop unused enum entriesDmitry Baryshkov1-2/+0
Drop unused enum entries from the list of parent enums. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-6-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: gpucc-sc7180: drop unused enum entriesDmitry Baryshkov1-3/+0
Drop unused enum entries from the list of parent enums. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-5-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: gcc-sm8250: drop unused enum entriesDmitry Baryshkov1-1/+0
Drop unused enum entries from the list of parent enums. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-4-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: dispcc-sm8250: drop unused enum entriesDmitry Baryshkov1-8/+0
Drop unused enum entries from the list of parent enums. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20210405224743.590029-3-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-04-07clk: qcom: dispcc-sc7180: drop unused enum entriesDmitry Baryshkov1-2/+0
Drop unused enum entries from the list of parent enums. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Taniya Das <tdas@codeaurora.org> Link: https://lore.kernel.org/r/20210405224743.590029-2-dmitry.baryshkov@linaro.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-03-29clk: qcom: camcc: Update the clock ops for the SC7180Taniya Das1-25/+25
Some of the RCGs could be always ON from the XO source and could be used as the clock on signal for the GDSC to be operational. In the cases where the GDSCs are parked at different source with the source clock disabled, it could lead to the GDSC to be stuck at ON/OFF during gdsc disable/enable. Thus park the RCGs at XO during clock disable and update the rcg_ops to use the shared_ops. Fixes: 15d09e830bbc ("clk: qcom: camcc: Add camera clock controller driver for SC7180") Signed-off-by: Taniya Das <tdas@codeaurora.org> Link: https://lore.kernel.org/r/1616809265-11912-1-git-send-email-tdas@codeaurora.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-03-29clk: socfpga: fix iomem pointer cast on 64-bitKrzysztof Kozlowski1-1/+1
Pointers should be cast with uintptr_t instead of integer. This fixes warning when compile testing on ARM64: drivers/clk/socfpga/clk-gate.c: In function ‘socfpga_clk_recalc_rate’: drivers/clk/socfpga/clk-gate.c:102:7: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] Fixes: b7cec13f082f ("clk: socfpga: Look for the GPIO_DB_CLK by its offset") Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Acked-by: Dinh Nguyen <dinguyen@kernel.org> Link: https://lore.kernel.org/r/20210314110709.32599-1-krzysztof.kozlowski@canonical.com Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-03-13clk: qcom: gcc-sc7180: Use floor ops for the correct sdcc1 clkDouglas Anderson1-2/+2
While picking commit a8cd989e1a57 ("mmc: sdhci-msm: Warn about overclocking SD/MMC") back to my tree I was surprised that it was reporting warnings. I thought I fixed those! Looking closer at the fix, I see that I totally bungled it (or at least I halfway bungled it). The SD card clock got fixed (and that was the one I was really focused on fixing), but I totally adjusted the wrong clock for eMMC. Sigh. Let's fix my dumb mistake. Now both SD and eMMC have floor for the "apps" clock. This doesn't matter a lot for the final clock rate for HS400 eMMC but could matter if someone happens to put some slower eMMC on a sc7180. We also transition through some of these lower rates sometimes and having them wrong could cause problems during these transitions. These were the messages I was seeing at boot: mmc1: Card appears overclocked; req 52000000 Hz, actual 100000000 Hz mmc1: Card appears overclocked; req 52000000 Hz, actual 100000000 Hz mmc1: Card appears overclocked; req 104000000 Hz, actual 192000000 Hz Fixes: 6d37a8d19283 ("clk: qcom: gcc-sc7180: Use floor ops for sdcc clks") Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20210224095013.1.I2e2ba4978cfca06520dfb5d757768f9c42140f7c@changeid Reviewed-by: Taniya Das <tdas@codeaurora.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-03-13clk: qcom: rcg2: Rectify clk_gfx3d rate rounding without mux divisionMarijn Suijten1-8/+9
In case the mux is not divided parent_req was mistakenly not assigned to leading __clk_determine_rate to determine the best frequency setting for a requested rate of 0, resulting in the msm8996 platform not booting. Rectify this by refactoring the logic to unconditionally assign to parent_req.rate with the clock rate the caller is expecting. Fixes: 7cbb78a99db6 ("clk: qcom: rcg2: Stop hardcoding gfx3d pingpong parent numbers") Reported-by: Konrad Dybcio <konrad.dybcio@somainline.org> Tested-by: Konrad Dybcio <konrad.dybcio@somainline.org> Reviewed-By: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org> Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org> Link: https://lore.kernel.org/r/20210302234106.3418665-1-marijn.suijten@somainline.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-03-13clk: qcom: rpmh: Update the XO clock source for SC7280Taniya Das1-2/+5
The bi_tcxo clock source for SC7280 requires a div 4 to derive 19.2MHz from the xo_board. Thus update the same. Fixes: fff2b9a65162 ("clk: qcom: rpmh: Add support for RPMH clocks on SC7280") Signed-off-by: Taniya Das <tdas@codeaurora.org> Link: https://lore.kernel.org/r/1615400283-20100-1-git-send-email-tdas@codeaurora.org Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-03-05Linux 5.12-rc2Linus Torvalds1-1/+1
2021-03-05RDMA/rxe: Fix errant WARN_ONCE in rxe_completer()Bob Pearson1-32/+23
In rxe_comp.c in rxe_completer() the function free_pkt() did not clear skb which triggered a warning at 'done:' and could possibly at 'exit:'. The WARN_ONCE() calls are not actually needed. The call to free_pkt() is moved to the end to clearly show that all skbs are freed. Fixes: 899aba891cab ("RDMA/rxe: Fix FIXME in rxe_udp_encap_recv()") Link: https://lore.kernel.org/r/20210304192048.2958-1-rpearson@hpe.com Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-03-05RDMA/rxe: Fix extra deref in rxe_rcv_mcast_pkt()Bob Pearson1-24/+35
rxe_rcv_mcast_pkt() dropped a reference to ib_device when no error occurred causing an underflow on the reference counter. This code is cleaned up to be clearer and easier to read. Fixes: 899aba891cab ("RDMA/rxe: Fix FIXME in rxe_udp_encap_recv()") Link: https://lore.kernel.org/r/20210304192048.2958-1-rpearson@hpe.com Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-03-05RDMA/rxe: Fix missed IB reference counting in loopbackBob Pearson1-1/+9
When the noted patch below extending the reference taken by rxe_get_dev_from_net() in rxe_udp_encap_recv() until each skb is freed it was not matched by a reference in the loopback path resulting in underflows. Fixes: 899aba891cab ("RDMA/rxe: Fix FIXME in rxe_udp_encap_recv()") Link: https://lore.kernel.org/r/20210304192048.2958-1-rpearson@hpe.com Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-03-05io_uring: don't restrict issue_flags for io_openatPavel Begunkov1-1/+1
45d189c606292 ("io_uring: replace force_nonblock with flags") did something strange for io_openat() slicing all issue_flags but IO_URING_F_NONBLOCK. Not a bug for now, but better to just forward the flags. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-05io_uring: make SQPOLL thread parking sanerJens Axboe1-35/+30
We have this weird true/false return from parking, and then some of the callers decide to look at that. It can lead to unbalanced parks and sqd locking. Have the callers check the thread status once it's parked. We know we have the lock at that point, so it's either valid or it's NULL. Fix race with parking on thread exit. We need to be careful here with ordering of the sdq->lock and the IO_SQ_THREAD_SHOULD_PARK bit. Rename sqd->completion to sqd->parked to reflect that this is the only thing this completion event doesn. Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-05io-wq: kill hashed waitqueue before manager exitsJens Axboe1-4/+5
If we race with shutting down the io-wq context and someone queueing a hashed entry, then we can exit the manager with it armed. If it then triggers after the manager has exited, we can have a use-after-free where io_wqe_hash_wake() attempts to wake a now gone manager process. Move the killing of the hashed write queue into the manager itself, so that we know we've killed it before the task exits. Fixes: e941894eae31 ("io-wq: make buffered file write hashed work map per-ctx") Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-05io_uring: clear IOCB_WAITQ for non -EIOCBQUEUED returnJens Axboe1-0/+1
The callback can only be armed, if we get -EIOCBQUEUED returned. It's important that we clear the WAITQ bit for other cases, otherwise we can queue for async retry and filemap will assume that we're armed and return -EAGAIN instead of just blocking for the IO. Cc: stable@vger.kernel.org # 5.9+ Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-05io_uring: don't keep looping for more events if we can't flush overflowJens Axboe1-3/+12
It doesn't make sense to wait for more events to come in, if we can't even flush the overflow we already have to the ring. Return -EBUSY for that condition, just like we do for attempts to submit with overflow pending. Cc: stable@vger.kernel.org # 5.11 Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-05io_uring: move to using create_io_thread()Jens Axboe3-109/+54
This allows us to do task creation and setup without needing to use completions to try and synchronize with the starting thread. Get rid of the old io_wq_fork_thread() wrapper, and the 'wq' and 'worker' startup completion events - we can now do setup before the task is running. Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-05nvmet: model_number must be immutable once setMax Gurtovoy4-45/+50
In case we have already established connection to nvmf target, it shouldn't be allowed to change the model_number. E.g. if someone will identify ctrl and get model_number of "my_model" later on will change the model_numbel via configfs to "my_new_model" this will break the NVMe specification for "Get Log Page – Persistent Event Log" that refers to Model Number as: "This field contains the same value as reported in the Model Number field of the Identify Controller data structure, bytes 63:24." Although it doesn't mentioned explicitly that this field can't be changed, we can assume it. So allow setting this field only once: using configfs or in the first identify ctrl operation. Signed-off-by: Max Gurtovoy <mgurtovoy@nvidia.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2021-03-05nvme-fabrics: fix kato initializationMartin George1-1/+4
Currently kato is initialized to NVME_DEFAULT_KATO for both discovery & i/o controllers. This is a problem specifically for non-persistent discovery controllers since it always ends up with a non-zero kato value. Fix this by initializing kato to zero instead, and ensuring various controllers are assigned appropriate kato values as follows: non-persistent controllers - kato set to zero persistent controllers - kato set to NVMF_DEV_DISC_TMO (or any positive int via nvme-cli) i/o controllers - kato set to NVME_DEFAULT_KATO (or any positive int via nvme-cli) Signed-off-by: Martin George <marting@netapp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2021-03-05nvme-hwmon: Return error code when registration failsDaniel Wagner1-0/+1
The hwmon pointer wont be NULL if the registration fails. Though the exit code path will assign it to ctrl->hwmon_device. Later nvme_hwmon_exit() will try to free the invalid pointer. Avoid this by returning the error code from hwmon_device_register_with_info(). Fixes: ed7770f66286 ("nvme/hwmon: rework to avoid devm allocation") Signed-off-by: Daniel Wagner <dwagner@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de>
2021-03-05nvme-pci: add quirks for Lexar 256GB SSDPascal Terjan1-0/+3
Add the NVME_QUIRK_NO_NS_DESC_LIST and NVME_QUIRK_IGNORE_DEV_SUBNQN quirks for this buggy device. Reported and tested in https://bugs.mageia.org/show_bug.cgi?id=28417 Signed-off-by: Pascal Terjan <pterjan@google.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2021-03-05nvme-pci: mark Kingston SKC2000 as not supporting the deepest power stateZoltán Böszörményi1-0/+2
My 2TB SKC2000 showed the exact same symptoms that were provided in 538e4a8c57 ("nvme-pci: avoid the deepest sleep state on Kingston A2000 SSDs"), i.e. a complete NVME lockup that needed cold boot to get it back. According to some sources, the A2000 is simply a rebadged SKC2000 with a slightly optimized firmware. Adding the SKC2000 PCI ID to the quirk list with the same workaround as the A2000 made my laptop survive a 5 hours long Yocto bootstrap buildfest which reliably triggered the SSD lockup previously. Signed-off-by: Zoltán Böszörményi <zboszor@gmail.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2021-03-05nvme-pci: mark Seagate Nytro XM1440 as QUIRK_NO_NS_DESC_LIST.Julian Einwag1-1/+2
The kernel fails to fully detect these SSDs, only the character devices are present: [ 10.785605] nvme nvme0: pci function 0000:04:00.0 [ 10.876787] nvme nvme1: pci function 0000:81:00.0 [ 13.198614] nvme nvme0: missing or invalid SUBNQN field. [ 13.198658] nvme nvme1: missing or invalid SUBNQN field. [ 13.206896] nvme nvme0: Shutdown timeout set to 20 seconds [ 13.215035] nvme nvme1: Shutdown timeout set to 20 seconds [ 13.225407] nvme nvme0: 16/0/0 default/read/poll queues [ 13.233602] nvme nvme1: 16/0/0 default/read/poll queues [ 13.239627] nvme nvme0: Identify Descriptors failed (8194) [ 13.246315] nvme nvme1: Identify Descriptors failed (8194) Adding the NVME_QUIRK_NO_NS_DESC_LIST fixes this problem. BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=205679 Signed-off-by: Julian Einwag <jeinwag-nvme@marcapo.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Keith Busch <kbusch@kernel.org>
2021-03-04scsi: iscsi: Verify lengths on passthrough PDUsChris Leech1-0/+9
Open-iSCSI sends passthrough PDUs over netlink, but the kernel should be verifying that the provided PDU header and data lengths fall within the netlink message to prevent accessing beyond that in memory. Cc: stable@vger.kernel.org Reported-by: Adam Nichols <adam@grimm-co.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Reviewed-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Chris Leech <cleech@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-03-04scsi: iscsi: Ensure sysfs attributes are limited to PAGE_SIZEChris Leech2-83/+90
As the iSCSI parameters are exported back through sysfs, it should be enforcing that they never are more than PAGE_SIZE (which should be more than enough) before accepting updates through netlink. Change all iSCSI sysfs attributes to use sysfs_emit(). Cc: stable@vger.kernel.org Reported-by: Adam Nichols <adam@grimm-co.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Chris Leech <cleech@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-03-04scsi: iscsi: Restrict sessions and handles to admin capabilitiesLee Duncan1-0/+6
Protect the iSCSI transport handle, available in sysfs, by requiring CAP_SYS_ADMIN to read it. Also protect the netlink socket by restricting reception of messages to ones sent with CAP_SYS_ADMIN. This disables normal users from being able to end arbitrary iSCSI sessions. Cc: stable@vger.kernel.org Reported-by: Adam Nichols <adam@grimm-co.com> Reviewed-by: Chris Leech <cleech@redhat.com> Reviewed-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-03-04kernel: provide create_io_thread() helperJens Axboe2-0/+32
Provide a generic helper for setting up an io_uring worker. Returns a task_struct so that the caller can do whatever setup is needed, then call wake_up_new_task() to kick it into gear. Add a kernel_clone_args member, io_thread, which tells copy_process() to mark the task with PF_IO_WORKER. Signed-off-by: Jens Axboe <axboe@kernel.dk>
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