Commit graph

1107890 commits

Author SHA1 Message Date
Przemyslaw Patynowski
be2af71496 ice: Fix queue config fail handling
Disable VF's RX/TX queues, when VIRTCHNL_OP_CONFIG_VSI_QUEUES fail.
Not disabling them might lead to scenario, where PF driver leaves VF
queues enabled, when VF's VSI failed queue config.
In this scenario VF should not have RX/TX queues enabled. If PF failed
to set up VF's queues, VF will reset due to TX timeouts in VF driver.
Initialize iterator 'i' to -1, so if error happens prior to configuring
queues then error path code will not disable queue 0. Loop that
configures queues will is using same iterator, so error path code will
only disable queues that were configured.

Fixes: 77ca27c417 ("ice: add support for virtchnl_queue_select.[tx|rx]_queues bitmap")
Suggested-by: Slawomir Laba <slawomirx.laba@intel.com>
Signed-off-by: Przemyslaw Patynowski <przemyslawx.patynowski@intel.com>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2022-06-14 09:38:57 -07:00
Roman Storozhenko
9542ef4fba ice: Sync VLAN filtering features for DVM
VLAN filtering features, that is C-Tag and S-Tag, in DVM mode must be
both enabled or disabled.
In case of turning off/on only one of the features, another feature must
be turned off/on automatically with issuing an appropriate message to
the kernel log.

Fixes: 1babaf77f4 ("ice: Advertise 802.1ad VLAN filtering and offloads for PF netdev")
Signed-off-by: Roman Storozhenko <roman.storozhenko@intel.com>
Co-developed-by: Anatolii Gerasymenko <anatolii.gerasymenko@intel.com>
Signed-off-by: Anatolii Gerasymenko <anatolii.gerasymenko@intel.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2022-06-14 09:38:57 -07:00
Michal Michalik
71a579f0d3 ice: Fix PTP TX timestamp offset calculation
The offset was being incorrectly calculated for E822 - that led to
collisions in choosing TX timestamp register location when more than
one port was trying to use timestamping mechanism.

In E822 one quad is being logically split between ports, so quad 0 is
having trackers for ports 0-3, quad 1 ports 4-7 etc. Each port should
have separate memory location for tracking timestamps. Due to error for
example ports 1 and 2 had been assigned to quad 0 with same offset (0),
while port 1 should have offset 0 and 1 offset 16.

Fix it by correctly calculating quad offset.

Fixes: 3a7496234d ("ice: implement basic E822 PTP support")
Signed-off-by: Michal Michalik <michal.michalik@intel.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2022-06-14 09:35:57 -07:00
Yonghong Song
c49a44b39b libbpf: Fix an unsigned < 0 bug
Andrii reported a bug with the following information:

  2859 	if (enum64_placeholder_id == 0) {
  2860 		enum64_placeholder_id = btf__add_int(btf, "enum64_placeholder", 1, 0);
  >>>     CID 394804:  Control flow issues  (NO_EFFECT)
  >>>     This less-than-zero comparison of an unsigned value is never true. "enum64_placeholder_id < 0U".
  2861 		if (enum64_placeholder_id < 0)
  2862 			return enum64_placeholder_id;
  2863    	...

Here enum64_placeholder_id declared as '__u32' so enum64_placeholder_id < 0
is always false. Declare enum64_placeholder_id as 'int' in order to capture
the potential error properly.

Fixes: f2a625889b ("libbpf: Add enum64 sanitization")
Reported-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220613054314.1251905-1-yhs@fb.com
2022-06-14 17:01:54 +02:00
Linus Torvalds
24625f7d91 ARM64:
* Properly reset the SVE/SME flags on vcpu load
 
 * Fix a vgic-v2 regression regarding accessing the pending
 state of a HW interrupt from userspace (and make the code
 common with vgic-v3)
 
 * Fix access to the idreg range for protected guests
 
 * Ignore 'kvm-arm.mode=protected' when using VHE
 
 * Return an error from kvm_arch_init_vm() on allocation failure
 
 * A bunch of small cleanups (comments, annotations, indentation)
 
 RISC-V:
 
 * Typo fix in arch/riscv/kvm/vmid.c
 
 * Remove broken reference pattern from MAINTAINERS entry
 
 x86-64:
 
 * Fix error in page tables with MKTME enabled
 
 * Dirty page tracking performance test extended to running a nested
   guest
 
 * Disable APICv/AVIC in cases that it cannot implement correctly
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "While last week's pull request contained miscellaneous fixes for x86,
  this one covers other architectures, selftests changes, and a bigger
  series for APIC virtualization bugs that were discovered during 5.20
  development. The idea is to base 5.20 development for KVM on top of
  this tag.

  ARM64:

   - Properly reset the SVE/SME flags on vcpu load

   - Fix a vgic-v2 regression regarding accessing the pending state of a
     HW interrupt from userspace (and make the code common with vgic-v3)

   - Fix access to the idreg range for protected guests

   - Ignore 'kvm-arm.mode=protected' when using VHE

   - Return an error from kvm_arch_init_vm() on allocation failure

   - A bunch of small cleanups (comments, annotations, indentation)

  RISC-V:

   - Typo fix in arch/riscv/kvm/vmid.c

   - Remove broken reference pattern from MAINTAINERS entry

  x86-64:

   - Fix error in page tables with MKTME enabled

   - Dirty page tracking performance test extended to running a nested
     guest

   - Disable APICv/AVIC in cases that it cannot implement correctly"

[ This merge also fixes a misplaced end parenthesis bug introduced in
  commit 3743c2f025 ("KVM: x86: inhibit APICv/AVIC on changes to APIC
  ID or APIC base") pointed out by Sean Christopherson ]

Link: https://lore.kernel.org/all/20220610191813.371682-1-seanjc@google.com/

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (34 commits)
  KVM: selftests: Restrict test region to 48-bit physical addresses when using nested
  KVM: selftests: Add option to run dirty_log_perf_test vCPUs in L2
  KVM: selftests: Clean up LIBKVM files in Makefile
  KVM: selftests: Link selftests directly with lib object files
  KVM: selftests: Drop unnecessary rule for STATIC_LIBS
  KVM: selftests: Add a helper to check EPT/VPID capabilities
  KVM: selftests: Move VMX_EPT_VPID_CAP_AD_BITS to vmx.h
  KVM: selftests: Refactor nested_map() to specify target level
  KVM: selftests: Drop stale function parameter comment for nested_map()
  KVM: selftests: Add option to create 2M and 1G EPT mappings
  KVM: selftests: Replace x86_page_size with PG_LEVEL_XX
  KVM: x86: SVM: fix nested PAUSE filtering when L0 intercepts PAUSE
  KVM: x86: SVM: drop preempt-safe wrappers for avic_vcpu_load/put
  KVM: x86: disable preemption around the call to kvm_arch_vcpu_{un|}blocking
  KVM: x86: disable preemption while updating apicv inhibition
  KVM: x86: SVM: fix avic_kick_target_vcpus_fast
  KVM: x86: SVM: remove avic's broken code that updated APIC ID
  KVM: x86: inhibit APICv/AVIC on changes to APIC ID or APIC base
  KVM: x86: document AVIC/APICv inhibit reasons
  KVM: x86/mmu: Set memory encryption "value", not "mask", in shadow PDPTRs
  ...
2022-06-14 07:57:18 -07:00
Hongyi Lu
6dbdc9f353 bpf: Fix spelling in bpf_verifier.h
Minor spelling fix spotted in bpf_verifier.h. Spelling is no big deal,
but it is still an improvement when reading through the code.

Signed-off-by: Hongyi Lu <jwnhy0@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220613211633.58647-1-jwnhy0@gmail.com
2022-06-14 16:56:25 +02:00
Ciara Loftus
a6e944f25c xsk: Fix generic transmit when completion queue reservation fails
Two points of potential failure in the generic transmit function are:

  1. completion queue (cq) reservation failure.
  2. skb allocation failure

Originally the cq reservation was performed first, followed by the skb
allocation. Commit 675716400d ("xdp: fix possible cq entry leak")
reversed the order because at the time there was no mechanism available
to undo the cq reservation which could have led to possible cq entry leaks
in the event of skb allocation failure. However if the skb allocation is
performed first and the cq reservation then fails, the xsk skb destructor
is called which blindly adds the skb address to the already full cq leading
to undefined behavior.

This commit restores the original order (cq reservation followed by skb
allocation) and uses the xskq_prod_cancel helper to undo the cq reserve
in event of skb allocation failure.

Fixes: 675716400d ("xdp: fix possible cq entry leak")
Signed-off-by: Ciara Loftus <ciara.loftus@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Magnus Karlsson <magnus.karlsson@intel.com>
Link: https://lore.kernel.org/bpf/20220614070746.8871-1-ciara.loftus@intel.com
2022-06-14 16:49:29 +02:00
Linus Torvalds
8e8afafb0b Yet another hw vulnerability with a software mitigation: Processor MMIO
Stale Data.
 
 They are a class of MMIO-related weaknesses which can expose stale data
 by propagating it into core fill buffers. Data which can then be leaked
 using the usual speculative execution methods.
 
 Mitigations include this set along with microcode updates and are
 similar to MDS and TAA vulnerabilities: VERW now clears those buffers
 too.
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Merge tag 'x86-bugs-2022-06-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 MMIO stale data fixes from Thomas Gleixner:
 "Yet another hw vulnerability with a software mitigation: Processor
  MMIO Stale Data.

  They are a class of MMIO-related weaknesses which can expose stale
  data by propagating it into core fill buffers. Data which can then be
  leaked using the usual speculative execution methods.

  Mitigations include this set along with microcode updates and are
  similar to MDS and TAA vulnerabilities: VERW now clears those buffers
  too"

* tag 'x86-bugs-2022-06-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/speculation/mmio: Print SMT warning
  KVM: x86/speculation: Disable Fill buffer clear within guests
  x86/speculation/mmio: Reuse SRBDS mitigation for SBDS
  x86/speculation/srbds: Update SRBDS mitigation selection
  x86/speculation/mmio: Add sysfs reporting for Processor MMIO Stale Data
  x86/speculation/mmio: Enable CPU Fill buffer clearing on idle
  x86/bugs: Group MDS, TAA & Processor MMIO Stale Data mitigations
  x86/speculation/mmio: Add mitigation for Processor MMIO Stale Data
  x86/speculation: Add a common function for MD_CLEAR mitigation update
  x86/speculation/mmio: Enumerate Processor MMIO Stale Data bug
  Documentation: Add documentation for Processor MMIO Stale Data
2022-06-14 07:43:15 -07:00
Petr Machata
4b7a632ac4 mlxsw: spectrum_cnt: Reorder counter pools
Both RIF and ACL flow counters use a 24-bit SW-managed counter address to
communicate which counter they want to bind.

In a number of Spectrum FW releases, binding a RIF counter is broken and
slices the counter index to 16 bits. As a result, on Spectrum-2 and above,
no more than about 410 RIF counters can be effectively used. This
translates to 205 netdevices for which L3 HW stats can be enabled. (This
does not happen on Spectrum-1, because there are fewer counters available
overall and the counter index never exceeds 16 bits.)

Binding counters to ACLs does not have this issue. Therefore reorder the
counter allocation scheme so that RIF counters come first and therefore get
lower indices that are below the 16-bit barrier.

Fixes: 98e60dce4d ("Merge branch 'mlxsw-Introduce-initial-Spectrum-2-support'")
Reported-by: Maksym Yaremchuk <maksymy@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/r/20220613125017.2018162-1-idosch@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-06-14 16:00:37 +02:00
Marek Szyprowski
7d787184a1
drm/exynos: mic: Rework initialization
Commit dd8b6803bc ("exynos: drm: dsi: Attach in_bridge in MIC driver")
moved Exynos MIC attaching from DSI to MIC driver. However the method
proposed there is incomplete and cannot really work. To properly attach
it to the bridge chain, access to the respective encoder is needed. The
Exynos MIC driver always attaches to the encoder created by the Exynos
DSI driver, so grab it via available helpers for getting access to the
CRTC and encoders. This also requires to change the order of driver
component binding to let DSI to be bound before MIC.

Fixes: dd8b6803bc ("exynos: drm: dsi: Attach in_bridge in MIC driver")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Fixed merge conflict.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2022-06-14 22:32:16 +09:00
Dan Carpenter
5c2b745173
drm/exynos: fix IS_ERR() vs NULL check in probe
The of_drm_find_bridge() does not return error pointers, it returns
NULL on error.

Fixes: dd8b6803bc ("exynos: drm: dsi: Attach in_bridge in MIC driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2022-06-14 22:32:03 +09:00
Serge Semin
5e93207e96
bus: bt1-axi: Don't print error on -EPROBE_DEFER
The Baikal-T1 AXI bus driver correctly handles the deferred probe
situation, but still pollutes the system log with a misleading error
message. Let's fix that by using the dev_err_probe() method to print the
log message in case of the clocks/resets request errors.

Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Link: https://lore.kernel.org/r/20220610104030.28399-2-Sergey.Semin@baikalelectronics.ru'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-06-14 12:21:44 +02:00
Serge Semin
be5cddef05
bus: bt1-apb: Don't print error on -EPROBE_DEFER
The Baikal-T1 APB bus driver correctly handles the deferred probe
situation, but still pollutes the system log with a misleading error
message. Let's fix that by using the dev_err_probe() method to print the
log message in case of the clocks/resets request errors.

Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Link: https://lore.kernel.org/r/20220610104030.28399-1-Sergey.Semin@baikalelectronics.ru'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-06-14 12:21:44 +02:00
Arnd Bergmann
9658904252 This pull request contains MAINTAINERS file update for Broadcom SoCs,
please pull the following:
 
 - Nicolas steps down from maintaining the BCM283x/BCM2711 (Raspberry
 Pi) architecture and designates Florian to take care of that
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Merge tag 'arm-soc/for-5.19/maintainers-fixes' of https://github.com/Broadcom/stblinux into arm/fixes

This pull request contains MAINTAINERS file update for Broadcom SoCs,
please pull the following:

- Nicolas steps down from maintaining the BCM283x/BCM2711 (Raspberry
Pi) architecture and designates Florian to take care of that

* tag 'arm-soc/for-5.19/maintainers-fixes' of https://github.com/Broadcom/stblinux:
  MAINTAINERS: Update BCM2711/BCM2835 maintainer

Link: https://lore.kernel.org/r/20220608093132.1465703-2-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-06-14 12:20:47 +02:00
Arnd Bergmann
11bb764fbf This pull request contains Broadcom ARM-based SoCs driver fixes for
5.19, please pull the following:
 
 - Miaoqian fixes a device tree node reference count in the system sleep
   code for Broadcom STB chips
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Merge tag 'arm-soc/for-5.19/drivers-fixes' of https://github.com/Broadcom/stblinux into arm/fixes

This pull request contains Broadcom ARM-based SoCs driver fixes for
5.19, please pull the following:

- Miaoqian fixes a device tree node reference count in the system sleep
  code for Broadcom STB chips

* tag 'arm-soc/for-5.19/drivers-fixes' of https://github.com/Broadcom/stblinux:
  soc: bcm: brcmstb: pm: pm-arm: Fix refcount leak in brcmstb_pm_probe

Link: https://lore.kernel.org/r/20220608093132.1465703-1-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-06-14 12:20:31 +02:00
Arnd Bergmann
2d2cb31bd3 S32G2 fixes for 5.19
- MAINTAINERS: Add s32@nxp.com as a review group.
 - dts: Pass unit name to soc node to fix a W=1 build warning.
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Merge tag 's32g2-fixes-5.19' of https://github.com/chesterlintw/linux-s32g into arm/fixes

S32G2 fixes for 5.19

- MAINTAINERS: Add s32@nxp.com as a review group.
- dts: Pass unit name to soc node to fix a W=1 build warning.

* tag 's32g2-fixes-5.19' of https://github.com/chesterlintw/linux-s32g:
  MAINTAINERS: add a new reviewer for S32G
  arm64: s32g2: Pass unit name to soc node

Link: https://lore.kernel.org/r/Yp9Y4nGrQ2kVKV6S@linux-8mug
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-06-14 12:19:58 +02:00
Miaoqian Lin
7c7ff68daa
ARM: Fix refcount leak in axxia_boot_secondary
of_find_compatible_node() returns a node pointer with refcount
incremented, we should use of_node_put() on it when done.
Add missing of_node_put() to avoid refcount leak.

Fixes: 1d22924e1c ("ARM: Add platform support for LSI AXM55xx SoC")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220601090548.47616-1-linmq006@gmail.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-06-14 12:19:13 +02:00
Christian Brauner
168f912893
fs: account for group membership
When calling setattr_prepare() to determine the validity of the
attributes the ia_{g,u}id fields contain the value that will be written
to inode->i_{g,u}id. This is exactly the same for idmapped and
non-idmapped mounts and allows callers to pass in the values they want
to see written to inode->i_{g,u}id.

When group ownership is changed a caller whose fsuid owns the inode can
change the group of the inode to any group they are a member of. When
searching through the caller's groups we need to use the gid mapped
according to the idmapped mount otherwise we will fail to change
ownership for unprivileged users.

Consider a caller running with fsuid and fsgid 1000 using an idmapped
mount that maps id 65534 to 1000 and 65535 to 1001. Consequently, a file
owned by 65534:65535 in the filesystem will be owned by 1000:1001 in the
idmapped mount.

The caller now requests the gid of the file to be changed to 1000 going
through the idmapped mount. In the vfs we will immediately map the
requested gid to the value that will need to be written to inode->i_gid
and place it in attr->ia_gid. Since this idmapped mount maps 65534 to
1000 we place 65534 in attr->ia_gid.

When we check whether the caller is allowed to change group ownership we
first validate that their fsuid matches the inode's uid. The
inode->i_uid is 65534 which is mapped to uid 1000 in the idmapped mount.
Since the caller's fsuid is 1000 we pass the check.

We now check whether the caller is allowed to change inode->i_gid to the
requested gid by calling in_group_p(). This will compare the passed in
gid to the caller's fsgid and search the caller's additional groups.

Since we're dealing with an idmapped mount we need to pass in the gid
mapped according to the idmapped mount. This is akin to checking whether
a caller is privileged over the future group the inode is owned by. And
that needs to take the idmapped mount into account. Note, all helpers
are nops without idmapped mounts.

New regression test sent to xfstests.

Link: https://github.com/lxc/lxd/issues/10537
Link: https://lore.kernel.org/r/20220613111517.2186646-1-brauner@kernel.org
Fixes: 2f221d6f7b ("attr: handle idmapped mounts")
Cc: Seth Forshee <sforshee@digitalocean.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Aleksa Sarai <cyphar@cyphar.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@vger.kernel.org # 5.15+
CC: linux-fsdevel@vger.kernel.org
Reviewed-by: Seth Forshee <sforshee@digitalocean.com>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
2022-06-14 12:18:47 +02:00
Alexandre Torgue
89931cb463
ARM: dts: stm32: move SCMI related nodes in a dedicated file for stm32mp15
Adding a "secure" version of STM32 boards (DK1/DK2/ED1/EV1), SCMI (clock/
reset) protocol and OP-TEE node have been added in SoC dtsi file
(stm32mp151.dtsi). They have been added with a status disabled in order to
keep our legacy unchanged. It is actually not enough to keep our legacy
unchanged.

First, just a reminder about our use case: TF-A (BL2) loads and starts
OP-TEE, then loads and runs U-Boot. U-Boot code checks if an OP-TEE is
running, if yes it searches in Kernel device tree if an OP-TEE node is
present:

-If the OP-TEE node is not present then U-Boot copies OP-TEE node and its
reserved memory region from U-Boot device tree to the kernel device tree.

-If the OP-TEE node is present then it does nothing (this OP-TEE node will
be used by Linux). So U-Boot lets the kernel device tree unchanged thinking
it is correct for an OP-TEE usage. It is the case for our legacy boards,
the OP-TEE node is present (although disabled) but the reserved memory
region is not declared. As no memory region has been reserved for OP-TEE,
the end of DDR is seen by the kernel as free and then used for CMA. But as
OP-TEE is running, this end of DDR is already used by OP-TEE. So as soon as
kernel tries to access to the CMA region OP-TEE raises an error.

To fix it, all OP-TEE node and SCMI is moved in a dedicated file.

Fixes: 40b4157dbd ("ARM: dts: stm32: enable optee firmware and SCMI support on STM32MP15")
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Link: https://lore.kernel.org/r/20220613071920.5463-1-alexandre.torgue@foss.st.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-06-14 12:17:54 +02:00
Arnd Bergmann
002ec15747 Arm SCMI firmware driver fixes for v5.19
Bunch of fixes to address:
 1. Issues reported on RK3568 EVB1 and BPI-R2 pro platforms using SCMI.
    More checks were added to validate the firmware response but that
    resulted in breaking above platforms, so the checks are relaxed when
    for cases where there is no potential memory corruption issues.
 
 2. Possible data leak by reading more than required length from the firmware.
    Recent addition of support for v3.1 extended names used larger buffers
    in the kernel and used their size to read response from the firmware even
    for cases where shorter formats are used. While that is mostly harmless
    except when firmware sends malformed non-NULL terminated buffers.
 
 3. Possible issues sending unsupported commands to the firmware.
    SENSOR_AXIS_NAME_GET added in v3.1 needs to be used only if the firmware
    supports it. While the firmware conformant to the spec must return not
    supported error for any unsupported features, it is always safer to
    avoid issuing commands that are known to be unsupported.
 
 4. Incorrect error propagation in scmi_voltage_descriptors_get.
    Since the return value is not reset for each iteration of the loop, the
    error value in the previous iteration will be carried for the current one.
    Fix that by not saving the return values into local variable.
 
 5. Some warnings reported by cppcheck
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Merge tag 'scmi-fixes-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes

Arm SCMI firmware driver fixes for v5.19

Bunch of fixes to address:
1. Issues reported on RK3568 EVB1 and BPI-R2 pro platforms using SCMI.
   More checks were added to validate the firmware response but that
   resulted in breaking above platforms, so the checks are relaxed when
   for cases where there is no potential memory corruption issues.

2. Possible data leak by reading more than required length from the firmware.
   Recent addition of support for v3.1 extended names used larger buffers
   in the kernel and used their size to read response from the firmware even
   for cases where shorter formats are used. While that is mostly harmless
   except when firmware sends malformed non-NULL terminated buffers.

3. Possible issues sending unsupported commands to the firmware.
   SENSOR_AXIS_NAME_GET added in v3.1 needs to be used only if the firmware
   supports it. While the firmware conformant to the spec must return not
   supported error for any unsupported features, it is always safer to
   avoid issuing commands that are known to be unsupported.

4. Incorrect error propagation in scmi_voltage_descriptors_get.
   Since the return value is not reset for each iteration of the loop, the
   error value in the previous iteration will be carried for the current one.
   Fix that by not saving the return values into local variable.

5. Some warnings reported by cppcheck

* tag 'scmi-fixes-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
  firmware: arm_scmi: Fix incorrect error propagation in scmi_voltage_descriptors_get
  firmware: arm_scmi: Avoid using extended string-buffers sizes if not necessary
  firmware: arm_scmi: Fix SENSOR_AXIS_NAME_GET behaviour when unsupported
  firmware: arm_scmi: Remove all the unused local variables
  firmware: arm_scmi: Relax base protocol sanity checks on the protocol list

Link: https://lore.kernel.org/r/20220614100007.1029881-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-06-14 12:16:35 +02:00
Arnd Bergmann
2916bf2233 i.MX fixes for 5.19:
- Correct i.MX7 power domain for HSIC USB PHY node to fix an USB Host
   issue, that is all downstream events will be lost if USB host is
   runtime suspended.
 - Fix i.MX8M blk-ctrl LCDIF2 power domain to point to refer to the
   correct clock.
 - Correct i.MX6Q/DL PU regulator ramp delay to fix some peripherals
   power-up failure especially when the chip is at a low temperature.
 - Fix capacitive touch reset polarity for imx6qdl-colibri board.
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Merge tag 'imx-fixes-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes

i.MX fixes for 5.19:

- Correct i.MX7 power domain for HSIC USB PHY node to fix an USB Host
  issue, that is all downstream events will be lost if USB host is
  runtime suspended.
- Fix i.MX8M blk-ctrl LCDIF2 power domain to point to refer to the
  correct clock.
- Correct i.MX6Q/DL PU regulator ramp delay to fix some peripherals
  power-up failure especially when the chip is at a low temperature.
- Fix capacitive touch reset polarity for imx6qdl-colibri board.

* tag 'imx-fixes-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: imx: imx8m-blk-ctrl: fix display clock for LCDIF2 power domain
  ARM: dts: imx6qdl-colibri: Fix capacitive touch reset polarity
  ARM: dts: imx6qdl: correct PU regulator ramp delay
  ARM: dts: imx7: Move hsic_phy power domain to HSIC PHY node

Link: https://lore.kernel.org/r/20220614095515.GU254723@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-06-14 12:15:44 +02:00
Christian König
0f9cd1ea10 drm/ttm: fix bulk move handling v2
The resource must be on the LRU before ttm_lru_bulk_move_add() is called
and we need to check if the BO is pinned or not before adding it.

Additional to that we missed taking the LRU spinlock in ttm_bo_unpin().

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Acked-by: Luben Tuikov <luben.tuikov@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220613080816.4965-1-christian.koenig@amd.com
Fixes: fee2ede155 ("drm/ttm: rework bulk move handling v5")
2022-06-14 11:15:19 +02:00
Jakub Kicinski
7e5e8ec7db docs: tls: document the TLS_TX_ZEROCOPY_RO
Add missing documentation for the TLS_TX_ZEROCOPY_RO opt-in.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Link: https://lore.kernel.org/r/20220610180212.110590-1-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-06-14 11:14:17 +02:00
Jonathan Neuschäfer
9cc8ea99bf docs: networking: phy: Fix a typo
Write "to be operated" instead of "to be operate".

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20220610072809.352962-1-j.neuschaefer@gmx.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-06-13 23:12:44 -07:00
Jean-Philippe Brucker
884c65e4da amd-xgbe: Use platform_irq_count()
The AMD XGbE driver currently counts the number of interrupts assigned
to the device by inspecting the pdev->resource array. Since commit
a1a2b7125e ("of/platform: Drop static setup of IRQ resource from DT
core") removed IRQs from this array, the driver now attempts to get all
interrupts from 1 to -1U and gives up probing once it reaches an invalid
interrupt index.

Obtain the number of IRQs with platform_irq_count() instead.

Fixes: a1a2b7125e ("of/platform: Drop static setup of IRQ resource from DT core")
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20220609161457.69614-1-jean-philippe@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-06-13 23:12:39 -07:00
Marco Bonelli
19d62f5eea ethtool: Fix and simplify ethtool_convert_link_mode_to_legacy_u32()
Fix the implementation of ethtool_convert_link_mode_to_legacy_u32(), which
is supposed to return false if src has bits higher than 31 set. The current
implementation uses the complement of bitmap_fill(ext, 32) to test high
bits of src, which is wrong as bitmap_fill() fills _with long granularity_,
and sizeof(long) can be > 4. No users of this function currently check the
return value, so the bug was dormant.

Also remove the check for __ETHTOOL_LINK_MODE_MASK_NBITS > 32, as the enum
ethtool_link_mode_bit_indices contains far beyond 32 values. Using
find_next_bit() to test the src bitmask works regardless of this anyway.

Signed-off-by: Marco Bonelli <marco@mebeim.net>
Link: https://lore.kernel.org/r/20220609134900.11201-1-marco@mebeim.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-06-13 23:11:35 -07:00
Rasmus Villemoes
bfa54812f0 net: phy: fixed_phy: set phy_mask before calling mdiobus_register()
There's no point probing for phys on this artificial bus, so we can
save a little bit of boot time by telling mdiobus_register() not to do
that.

This doesn't have any functional change, since, at this point,
fixed_mdio_read() returns 0xffff for all addresses/registers, so

  mdiobus_scan() -> get_phy_device() -> get_phy_c22_id()

will return -ENODEV, which is just ignored.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Link: https://lore.kernel.org/r/20220606200208.1665417-1-linux@rasmusvillemoes.dk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-06-13 23:11:24 -07:00
Alexander Stein
7c7eaeefb0 soc: imx: imx8m-blk-ctrl: fix display clock for LCDIF2 power domain
LCDIF2 has its own display clock, use this one.

Fixes: 07614fed00 ("soc: imx: imx8m-blk-ctrl: Add i.MX8MP media blk-ctrl")
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Tested-by: Martyn Welch <martyn.welch@collabora.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-06-14 11:53:42 +08:00
Max Krummenacher
b426310e50 ARM: dts: imx6qdl-colibri: Fix capacitive touch reset polarity
The commit feedaacdad ("Input: atmel_mxt_ts - fix up inverted RESET
handler") requires the reset GPIO to have GPIO_ACTIVE_LOW.

Fixes: 1524b27c94 ("ARM: dts: imx6dl-colibri: Move common nodes to SoM dtsi")
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-06-14 11:53:42 +08:00
Lucas Stach
93a8ba2a61 ARM: dts: imx6qdl: correct PU regulator ramp delay
Contrary to what was believed at the time, the ramp delay of 150us is not
plenty for the PU LDO with the default step time of 512 pulses of the 24MHz
clock. Measurements have shown that after enabling the LDO the voltage on
VDDPU_CAP jumps to ~750mV in the first step and after that the regulator
executes the normal ramp up as defined by the step size control.

This means it takes the regulator between 360us and 370us to ramp up to
the nominal 1.15V voltage for this power domain. With the old setting of
the ramp delay the power up of the PU GPC domain would happen in the middle
of the regulator ramp with the voltage being at around 900mV. Apparently
this was enough for most units to properly power up the peripherals in the
domain and execute the reset. Some units however, fail to power up properly,
especially when the chip is at a low temperature. In that case any access
to the GPU registers would yield an incorrect result with no way to recover
from this situation.

Change the ramp delay to 380us to cover the measured ramp up time with a
bit of additional slack.

Fixes: 40130d327f ("ARM: dts: imx6qdl: Allow disabling the PU regulator, add a enable ramp delay")
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-06-14 11:53:34 +08:00
Sergey Gorenko
f6eed15f3e scsi: iscsi: Exclude zero from the endpoint ID range
The kernel returns an endpoint ID as r.ep_connect_ret.handle in the
iscsi_uevent. The iscsid validates a received endpoint ID and treats zero
as an error. The commit referenced in the fixes line changed the endpoint
ID range, and zero is always assigned to the first endpoint ID.  So, the
first attempt to create a new iSER connection always fails.

Link: https://lore.kernel.org/r/20220613123854.55073-1-sergeygo@nvidia.com
Fixes: 3c6ae371b8 ("scsi: iscsi: Release endpoint ID when its freed")
Reviewed-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: Sergey Gorenko <sergeygo@nvidia.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-06-13 22:11:36 -04:00
Rob Clark
49e4776100 drm/msm: Switch ordering of runpm put vs devfreq_idle
In msm_devfreq_suspend() we cancel idle_work synchronously so that it
doesn't run after we power of the hw or in the resume path.  But this
means that we want to ensure that idle_work is not scheduled *after* we
no longer hold a runpm ref.  So switch the ordering of pm_runtime_put()
vs msm_devfreq_idle().

v2. Only move the runpm _put_autosuspend, and not the _mark_last_busy()

Fixes: 9bc9557017 ("drm/msm: Devfreq tuning")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Link: https://lore.kernel.org/r/20210927152928.831245-1-robdclark@gmail.com
Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20220608161334.2140611-1-robdclark@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
2022-06-13 15:32:32 -07:00
Ofer Levi
cdcdce948d net/mlx5: Add bits and fields to support enhanced CQE compression
Expose ifc bits and add needed structure fields and methods to
support enhanced CQE compression feature.
The enhanced CQE compression feature improves cpu utiliziation with
better packet latency from nic to host.

Signed-off-by: Ofer Levi <oferle@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2022-06-13 14:59:06 -07:00
Shay Drory
d107ba1f7c net/mlx5: Remove not used MLX5_CAP_BITS_RW_MASK
Remove not used MLX5_CAP_BITS_RW_MASK.
While at it, remove CAP_MASK, MLX5_CAP_OFF_CMDIF_CSUM
and MLX5_DEV_CAP_FLAG_*, since MLX5_CAP_BITS_RW_MASK
was their only user.

Signed-off-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2022-06-13 14:59:06 -07:00
Shay Drory
684f062c97 net/mlx5: group fdb cleanup to single function
Currently, the allocation of fdb software objects are done is single
function, oppose to the cleanup of them.
Group the cleanup of fdb software objects to single function.

Signed-off-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2022-06-13 14:59:06 -07:00
Jianbo Liu
91707779a4 net/mlx5: Add support EXECUTE_ASO action for flow entry
Attach flow meter to FTE with object id and index.
Use metadata register C5 to store the packet color meter result.

Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2022-06-13 14:59:06 -07:00
Saeed Mahameed
3e94e61bd4 net/mlx5: Add HW definitions of vport debug counters
total_q_under_processor_handle - number of queues in error state due to an
async error or errored command.

send_queue_priority_update_flow - number of QP/SQ priority/SL update
events.

cq_overrun - number of times CQ entered an error state due to an
overflow.

async_eq_overrun -number of time an EQ mapped to async events was
overrun.

comp_eq_overrun - number of time an EQ mapped to completion events was
overrun.

quota_exceeded_command - number of commands issued and failed due to quota
exceeded.

invalid_command - number of commands issued and failed dues to any reason
other than quota exceeded.

Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Michael Guralnik <michaelgur@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2022-06-13 14:59:05 -07:00
Jianbo Liu
f5d23ee137 net/mlx5: Add IFC bits and enums for flow meter
Add/extend structure layouts and defines for flow meter.

Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Ariel Levkovich <lariel@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2022-06-13 14:59:05 -07:00
Yevgeny Kliteynik
a6492af380 RDMA/mlx5: Support handling of modify-header pattern ICM area
Add support for allocate/deallocate and registering MR of the new type
of ICM area. Support exists only for devices that support sw_owner_v2.

Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2022-06-13 14:58:01 -07:00
Yevgeny Kliteynik
667658364b net/mlx5: Manage ICM of type modify-header pattern
Added support for managing new type of ICM for devices that
support sw_owner_v2.

Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Acked-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2022-06-13 14:58:01 -07:00
Yevgeny Kliteynik
795e10b450 net/mlx5: Introduce header-modify-pattern ICM properties
Added new fields for device memory capabilities, in order to
support creation of ICM memory for modify header patterns.

Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Acked-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2022-06-13 14:58:01 -07:00
rasheed.hsueh
43047e082b nvme-pci: disable write zeros support on UMIC and Samsung SSDs
Like commit 5611ec2b98 ("nvme-pci: prevent SK hynix PC400 from using
Write Zeroes command"), UMIS and Samsung has the same issue:
[ 6305.633887] blk_update_request: operation not supported error,
dev nvme0n1, sector 340812032 op 0x9:(WRITE_ZEROES) flags 0x0
phys_seg 0 prio class 0

So also disable Write Zeroes command on UMIS and Samsung.

Signed-off-by: rasheed.hsueh <rasheed.hsueh@lcfc.corp-partner.google.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-06-13 19:56:57 +02:00
Ning Wang
6b961bce50 nvme-pci: avoid the deepest sleep state on ZHITAI TiPro7000 SSDs
When ZHITAI TiPro7000 SSDs entered deepest power state(ps4)
it has the same APST sleep problem as Kingston A2000.
by chance the system crashes and displays the same dmesg info:

https://bugzilla.kernel.org/show_bug.cgi?id=195039#c65

As the Archlinux wiki suggest (enlat + exlat) < 25000 is fine
and my testing shows no system crashes ever since.
Therefore disabling the deepest power state will fix the APST sleep issue.

https://wiki.archlinux.org/title/Solid_state_drive/NVMe

This is the APST data from 'nvme id-ctrl /dev/nvme1'

NVME Identify Controller:
vid       : 0x1e49
ssvid     : 0x1e49
sn        : [...]
mn        : ZHITAI TiPro7000 1TB
fr        : ZTA32F3Y
[...]
ps    0 : mp:3.50W operational enlat:5 exlat:5 rrt:0 rrl:0
          rwt:0 rwl:0 idle_power:- active_power:-
ps    1 : mp:3.30W operational enlat:50 exlat:100 rrt:1 rrl:1
          rwt:1 rwl:1 idle_power:- active_power:-
ps    2 : mp:2.80W operational enlat:50 exlat:200 rrt:2 rrl:2
          rwt:2 rwl:2 idle_power:- active_power:-
ps    3 : mp:0.1500W non-operational enlat:500 exlat:5000 rrt:3 rrl:3
          rwt:3 rwl:3 idle_power:- active_power:-
ps    4 : mp:0.0200W non-operational enlat:2000 exlat:60000 rrt:4 rrl:4
          rwt:4 rwl:4 idle_power:- active_power:-

Signed-off-by: Ning Wang <ningwang35@outlook.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-06-13 19:56:56 +02:00
Keith Busch
c4f01a776b nvme-pci: sk hynix p31 has bogus namespace ids
Add the quirk.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=216049
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-06-13 19:56:56 +02:00
Keith Busch
c98a879312 nvme-pci: smi has bogus namespace ids
Add the quirk.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=216096
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-06-13 19:56:56 +02:00
Keith Busch
2cf7a77ed5 nvme-pci: phison e12 has bogus namespace ids
Add the quirk.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=216049
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-06-13 19:56:56 +02:00
Stefan Reiter
3765fad508 nvme-pci: add NVME_QUIRK_BOGUS_NID for ADATA XPG GAMMIX S50
ADATA XPG GAMMIX S50 drives report bogus eui64 values that appear to
be the same across drives in one system. Quirk them out so they are
not marked as "non globally unique" duplicates.

Signed-off-by: Stefan Reiter <stefan@pimaker.at>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-06-13 19:56:56 +02:00
Keith Busch
4641a8e6e1 nvme-pci: add trouble shooting steps for timeouts
Many users have encountered IO timeouts with a CSTS value of 0xffffffff,
which indicates a failure to read the register. While there are various
potential causes for this observation, faulty NVMe APST has been the
culprit quite frequently. Add the recommended troubleshooting steps in
the error output when this condition occurs.

Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-06-13 19:56:56 +02:00
Keith Busch
2f0dad1719 nvme: add bug report info for global duplicate id
The recent global id check is finding poorly implemented devices in the
wild. Include relavant device information in the output to help quicken
an appropriate quirk patch.

Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-06-13 19:54:14 +02:00
Thomas Weißschuh
1fc766b5c0 nvme: add device name to warning in uuid_show()
This provides more context to users.

Old message:

[   00.000000] No UUID available providing old NGUID

New message:

[   00.000000] block nvme0n1: No UUID available providing old NGUID

Fixes: d934f9848a ("nvme: provide UUID value to userspace")
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-06-13 19:54:04 +02:00