* Replace of_gpio_named_count() by gpiod_count()
- Remove misguided comment of nand_get_device()
- bbt: Use the bitmap API to allocate bitmaps
Raw NAND controller drivers changes:
* Meson:
- Stop supporting legacy clocks
- Refine resource getting in probe
- Convert bindings to yaml
- Fix clock handling and update the bindings accordingly
- Fix bit map use in meson_nfc_ecc_correct()
* bcm47xx:
- Fix spelling typo in comment
* STM32 FMC2:
- Switch to using devm_fwnode_gpiod_get()
- Fix dma_map_sg error check
* Cadence:
- Remove an unneeded result variable
* Marvell:
- Fix error handle regarding dma_map_sg
* Orion:
- Use devm_clk_get_optional()
* Cafe:
- Use correct function name in comment block
* Atmel:
- Unmap streaming DMA mappings
* Arasan:
- Stop using 0 as NULL pointer
* GPMI:
- Fix typo 'the the' in comment
* BRCM:
- Add individual glue driver selection
- Move Kconfig to driver folder
* FSL: Fix none ECC mode
* Intel:
- Use devm_platform_ioremap_resource_byname()
- Remove unused clk_rate member from struct ebu_nand
- Remove unused nand_pa member from ebu_nand_cs
- Don't re-define NAND_DATA_IFACE_CHECK_ONLY
- Remove undocumented compatible string
- Fix compatible string in the bindings
- Read the chip-select line from the correct OF node
- Fix maximum chip select value in the bindings
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Merge tag 'nand/for-6.1' into mtd/next
Raw NAND core changes:
* Replace of_gpio_named_count() by gpiod_count()
- Remove misguided comment of nand_get_device()
- bbt: Use the bitmap API to allocate bitmaps
Raw NAND controller drivers changes:
* Meson:
- Stop supporting legacy clocks
- Refine resource getting in probe
- Convert bindings to yaml
- Fix clock handling and update the bindings accordingly
- Fix bit map use in meson_nfc_ecc_correct()
* bcm47xx:
- Fix spelling typo in comment
* STM32 FMC2:
- Switch to using devm_fwnode_gpiod_get()
- Fix dma_map_sg error check
* Cadence:
- Remove an unneeded result variable
* Marvell:
- Fix error handle regarding dma_map_sg
* Orion:
- Use devm_clk_get_optional()
* Cafe:
- Use correct function name in comment block
* Atmel:
- Unmap streaming DMA mappings
* Arasan:
- Stop using 0 as NULL pointer
* GPMI:
- Fix typo 'the the' in comment
* BRCM:
- Add individual glue driver selection
- Move Kconfig to driver folder
* FSL: Fix none ECC mode
* Intel:
- Use devm_platform_ioremap_resource_byname()
- Remove unused clk_rate member from struct ebu_nand
- Remove unused nand_pa member from ebu_nand_cs
- Don't re-define NAND_DATA_IFACE_CHECK_ONLY
- Remove undocumented compatible string
- Fix compatible string in the bindings
- Read the chip-select line from the correct OF node
- Fix maximum chip select value in the bindings
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
With CONFIG_XEN_VIRTIO_FORCE_GRANT set the default backend domid to 0,
enabling to use xen_grant_dma_ops for those devices.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
In order to prepare supporting other means than device tree for
setting up virtio devices under Xen, restructure the functions
xen_is_grant_dma_device() and xen_grant_setup_dma_ops() a little bit.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Tested-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com> # Arm64 only
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
SSE2 and hence lfence are architectural in x86-64 and no need to check
whether they're supported in CPU. SSE2's CPUID flag is still set to
maintain backward compatibility with older code or code shared with x86,
but bpf_jit_comp.c is compiled under x86-64 exclusively so the check is
redundant.
Signed-off-by: Jie Meng <jmeng@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: KP Singh <kpsingh@kernel.org>
Link: https://lore.kernel.org/bpf/20221005170039.3936894-1-jmeng@fb.com
Allow the vfio_group struct to exist with a NULL iommu_group pointer. When
the pointer is NULL the vfio_group users promise not to touch the
iommu_group. This allows a driver to be hot unplugged while userspace is
keeping the group FD open.
Remove all the code waiting for the group FD to close.
This fixes a userspace regression where we learned that virtnodedevd
leaves a group FD open even though the /dev/ node for it has been deleted
and all the drivers for it unplugged.
Fixes: ca5f21b257 ("vfio: Follow a strict lifetime for struct iommu_group")
Reported-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Tested-by: Matthew Rosato <mjrosato@linux.ibm.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Tested-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/3-v2-15417f29324e+1c-vfio_group_disassociate_jgg@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
SPAPR exists completely outside the normal iommu driver framework, the
groups it creates are fake and are only created to enable VFIO's uAPI.
Thus, it does not need to follow the iommu core rule that the iommu_group
will only be touched while a driver is attached.
Carry a group reference into KVM and have KVM directly manage the lifetime
of this object independently of VFIO. This means KVM no longer relies on
the vfio group file being valid to maintain the group reference.
Tested-by: Matthew Rosato <mjrosato@linux.ibm.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/2-v2-15417f29324e+1c-vfio_group_disassociate_jgg@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This replaces uses of vfio_file_iommu_group() which were only detecting if
the file is a VFIO file with no interest in the actual group.
The only remaning user of vfio_file_iommu_group() is in KVM for the SPAPR
stuff. It passes the iommu_group into the arch code through kvm for some
reason.
Tested-by: Matthew Rosato <mjrosato@linux.ibm.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Tested-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/1-v2-15417f29324e+1c-vfio_group_disassociate_jgg@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
The Alibaba T-Head Yitian 710 DDR Sub-system Driveway PMU driver relies
solely on ACPI for matching. Hence add a dependency on ACPI, to prevent
asking the user about this driver when configuring a kernel without ACPI
support.
Fixes: cf7b61073e ("drivers/perf: add DDR Sub-System Driveway PMU driver for Yitian 710 SoC")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/2a4407bb598285660fa5e604e56823ddb12bb0aa.1664285774.git.geert+renesas@glider.be
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
In case of error, devm_ioremap_resource() returns ERR_PTR(),
and never returns NULL. The NULL test in the return value
check should be replaced with IS_ERR().
Fixes: cf7b61073e ("drivers/perf: add DDR Sub-System Driveway PMU driver for Yitian 710 SoC")
Signed-off-by: Sun Ke <sunke32@huawei.com>
Acked-by: Will Deacon <will@kernel.org>
Reviewed-by: Shuai Xue <xueshuai@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220924032127.313156-1-sunke32@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cortex-A55 is affected by an erratum where in rare circumstances the
CPUs may not handle a race between a break-before-make sequence on one
CPU, and another CPU accessing the same page. This could allow a store
to a page that has been unmapped.
Work around this by adding the affected CPUs to the list that needs
TLB sequences to be done twice.
Signed-off-by: James Morse <james.morse@arm.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220930131959.3082594-1-james.morse@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Support for the VIRTIO_BLK_F_SECURE_ERASE VirtIO feature.
A device that offers this feature can receive VIRTIO_BLK_T_SECURE_ERASE
commands.
A device which supports this feature has the following fields in the
virtio config:
- max_secure_erase_sectors
- max_secure_erase_seg
- secure_erase_sector_alignment
max_secure_erase_sectors and secure_erase_sector_alignment are expressed
in 512-byte units.
Every secure erase command has the following fields:
- sectors: The starting offset in 512-byte units.
- num_sectors: The number of sectors.
Signed-off-by: Alvaro Karsz <alvaro.karsz@solid-run.com>
Message-Id: <20220921082729.2516779-1-alvaro.karsz@solid-run.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
This patch allows the device features to be provisioned via
netlink. This is done by:
1) validating the provisioned features to be a subset of the parent
features.
2) clearing the features that is not wanted by the userspace
For example:
# vdpa mgmtdev show
pci/0000:02:00.0:
supported_classes net
max_supported_vqs 3
dev_features CSUM GUEST_CSUM CTRL_GUEST_OFFLOADS MAC GUEST_TSO4
GUEST_TSO6 GUEST_ECN GUEST_UFO HOST_TSO4 HOST_TSO6 HOST_ECN HOST_UFO
MRG_RXBUF STATUS CTRL_VQ CTRL_RX CTRL_VLAN CTRL_RX_EXTRA
GUEST_ANNOUNCE CTRL_MAC_ADDR RING_INDIRECT_DESC RING_EVENT_IDX
VERSION_1 ACCESS_PLATFORM
1) provision vDPA device with all features that are supported by the virtio-pci
# vdpa dev add name dev1 mgmtdev pci/0000:02:00.0
# vdpa dev config show
dev1: mac 52:54:00:12:34:56 link up link_announce false mtu 65535
negotiated_features CSUM GUEST_CSUM CTRL_GUEST_OFFLOADS MAC
GUEST_TSO4 GUEST_TSO6 GUEST_ECN GUEST_UFO HOST_TSO4 HOST_TSO6
HOST_ECN HOST_UFO MRG_RXBUF STATUS CTRL_VQ CTRL_RX CTRL_VLAN
GUEST_ANNOUNCE CTRL_MAC_ADDR RING_INDIRECT_DESC RING_EVENT_IDX
VERSION_1 ACCESS_PLATFORM
2) provision vDPA device with a subset of the features
# vdpa dev add name dev1 mgmtdev pci/0000:02:00.0 device_features 0x300020000
# dev1: mac 52:54:00:12:34:56 link up link_announce false mtu 65535
negotiated_features CTRL_VQ VERSION_1 ACCESS_PLATFORM
Reviewed-by: Eli Cohen <elic@nvidia.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20220927074810.28627-4-jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This patch implements features provisioning for vdpa_sim_net.
1) validating the provisioned features to be a subset of the parent
features.
2) clearing the features that is not wanted by the userspace
For example:
vdpasim_net:
supported_classes net
max_supported_vqs 3
dev_features MTU MAC CTRL_VQ CTRL_MAC_ADDR ANY_LAYOUT VERSION_1 ACCESS_PLATFORM
1) provision vDPA device with all features that are supported by the
net simulator
dev1: mac 00:00:00:00:00:00 link up link_announce false mtu 1500
negotiated_features MTU MAC CTRL_VQ CTRL_MAC_ADDR VERSION_1 ACCESS_PLATFORM
2) provision vDPA device with a subset of the features
dev1: mac 00:00:00:00:00:00 link up link_announce false mtu 1500
negotiated_features CTRL_VQ VERSION_1 ACCESS_PLATFORM
Reviewed-by: Eli Cohen <elic@nvidia.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20220927074810.28627-3-jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
This patch allows the device features to be provisioned through
netlink. A new attribute is introduced to allow the userspace to pass
a 64bit device features during device adding.
This provides several advantages:
- Allow to provision a subset of the features to ease the cross vendor
live migration.
- Better debug-ability for vDPA framework and parent.
Reviewed-by: Eli Cohen <elic@nvidia.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20220927074810.28627-2-jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Currently add_recvbuf_big() allocates MAX_SKB_FRAGS segments for big
packets even when GUEST_* offloads are not present on the device.
However, if guest GSO is not supported, it would be sufficient to
allocate segments to cover just up the MTU size and no further.
Allocating the maximum amount of segments results in a large waste of
buffer space in the queue, which limits the number of packets that can
be buffered and can result in reduced performance.
Therefore, if guest GSO is not supported, use the MTU to calculate the
optimal amount of segments required.
Below is the iperf TCP test results over a Mellanox NIC, using vDPA for
1 VQ, queue size 1024, before and after the change, with the iperf
server running over the virtio-net interface.
MTU(Bytes)/Bandwidth (Gbit/s)
Before After
1500 22.5 22.4
9000 12.8 25.9
And result of queue size 256.
MTU(Bytes)/Bandwidth (Gbit/s)
Before After
9000 2.15 11.9
With this patch no degradation is observed with multiple below tests and
feature bit combinations. Results are summarized below for q depth of
1024. Interface MTU is 1500 if MTU feature is disabled. MTU is set to 9000
in other tests.
Features/ Bandwidth (Gbit/s)
Before After
mtu off 20.1 20.2
mtu/indirect on 17.4 17.3
mtu/indirect/packed on 17.2 17.2
Signed-off-by: Gavin Li <gavinl@nvidia.com>
Reviewed-by: Gavi Teitz <gavi@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Reviewed-by: Si-Wei Liu <si-wei.liu@oracle.com>
Message-Id: <20220914144911.56422-3-gavinl@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Probe routine is already several hundred lines.
Use helper function for guest gso support check.
Signed-off-by: Gavin Li <gavinl@nvidia.com>
Reviewed-by: Gavi Teitz <gavi@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Reviewed-by: Si-Wei Liu <si-wei.liu@oracle.com>
Message-Id: <20220914144911.56422-2-gavinl@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
There's actually no way to set queue size on legacy virtio pci.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20220815220447.155860-1-mst@redhat.com>
Add some spaces to vring_alloc_queue(make it look prettier).
Signed-off-by: Deming Wang <wangdeming@inspur.com>
Message-Id: <20220926183306.4535-1-wangdeming@inspur.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The operators of vring_alloc_queue_split should use the unified style.Add
space for the '|' ,make it be looked more pretty.
Signed-off-by: Deming Wang <wangdeming@inspur.com>
Message-Id: <20220926022202.1516-1-wangdeming@inspur.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
In case of 4way handshake offload, transition disable policy
updated by the AP during EAPOL 3/4 is not updated to the upper layer.
This results in mismatch between transition disable policy
between the upper layer and the driver. This patch addresses this
issue by updating transition disable policy as part of port
authorization indication.
Signed-off-by: Vinayak Yadawad <vinayak.yadawad@broadcom.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Remove unused has_mrr (has multi-rate retry capabilities) member
from struct minstrel_priv (only set once in minstrel_ht_alloc, never
used again).
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This should of course be CONFIG_, not CPTCFG_, which is an
artifact from working with backports.
Fixes: 9dd1953846 ("wifi: nl80211/mac80211: clarify link ID in control port TX")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
HE added support for dynamic fragmentation inside aggregation
sessions, but no existing driver ever advertises it. Thus,
remove the code for now, it cannot work as-is in MLO. For it
to properly work in MLO, we'd need to validate that the frag
level is identical across all the link bands/iftypes, which
is a good amount of complex code that's just not worth it as
long as no driver has support for it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If the deflink of the station is on 6 GHz, then it won't have HT.
If at the same time we're using MLO, then vif.bss_conf isn't used,
and thus vif.bss_conf.chandef.chan is NULL, causing the code to
crash.
Fix this by just checking for both HT and HE, and refusing the
aggregation session if both are not present. This might be a bit
wrong since it would accept an aggregation session from a peer
that has HE but no HT on 2.4 or 5 GHz, but such a peer shouldn't
exist in the first place, and it probably supports aggregation if
it has HE support.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This won't work right at least with the code as it is, so
at least for now just assume it's never set for MLO. It may
very well never change, almost no drivers support it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Fix the code that sets the DTIM period to always propagate it
into link->conf->dtim_period and not overwrite it, while still
preferring to set it from the beacon data if available.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If the station has no HT, we deny the aggregation session
but the error message talks about QoS; change it to say HT
instead.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Ensure that the link ID matches in auth/assoc continuation,
otherwise we need to reset all the data.
Fixes: 81151ce462 ("wifi: mac80211: support MLO authentication/association with one link")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If association to an AP without a link 0 fails, then we crash in
tracing because it assumes that either ap_mld_addr or link 0 BSS
is valid, since we clear sdata->vif.valid_links and then don't
add the ap_mld_addr to the struct.
Since we clear also sdata->vif.cfg.ap_addr, keep a local copy of
it and assign it earlier, before clearing valid_links, to fix
this.
Fixes: 81151ce462 ("wifi: mac80211: support MLO authentication/association with one link")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The subelements obviously start after the common data, including
the common multi-link element structure definition itself. This
bug was possibly just hidden by the higher bits of the control
being set to 0, so the iteration just found one bogus element
and most of the code could continue anyway.
Fixes: 0f48b8b88a ("wifi: ieee80211: add definitions for multi-link element")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We might sometimes need to use RCU and locking in the same code
path, so add the two variants link_conf_dereference_check() and
link_sta_dereference_check().
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Since this frame is addressed from/to an MLD, it should be
built with the correct AP MLD address (in station mode) to
be encrypted properly.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If any driver relies entirely on the scan request BSSID,
then that would be wrong for internal scans. Initialize
it to the broadcast address since we don't otherwise use
the field.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Currently, we rely only on the AP capability. If the AP supports
TWT responder we will advertise TWT requester even if the driver
or HW doesn't support it. Fix this by checking the HW capability.
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We should set the parameters here per link, except
unfortunately ap_isolate, but we can't really change
that anymore so it'll remain a quirk in the API in
that you need to change it on one of the valid links
and it'll apply to all.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This management frame is intended for the MLD so we
treat it in mac80211 as MLD addressed as well, and
should therefore use the MLD address of the AP for
the BSSID field in the frame, address translation
applies.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We use this to look up the destination station, so it
needs to be the MLD address of the AP for an MLO; use
ap_addr instead of the BSSID.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
In case the AP returned a non success status for one of the links,
do not activate the link.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When processing an association response frame for a Multi-Link
connection, extract the per station profile for each additional
link, and use it for parsing the link elements.
As the Multi-Link element might be fragmented, add support for
reassembling a fragmented element. To simplify memory management
logic, extend 'struct ieee802_11_elems' to hold a scratch buffer,
which is used for the defragmentation. Once an element is
reconstructed in the scratch area, point the corresponding element
pointer to it. Currently only defragmentation of Multi-Link element
and the contained per-STA profile subelement is supported.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The Multi-Link element can be fragmented, thus its size can exceed 254.
Thus, modify ieee80211_mle_size_ok() to use 'size_t len' instead of
'u8 len'.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The common size is part of the length in the data
so don't add it again.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Add a function to validate EHT Multi-Link per station profile length.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
For assoc and connect result APIs, support reporting
failed links; they should still come with the BSS
pointer in the case of assoc, so they're released
correctly. In the case of connect result, this is
optional.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
During link switching, the active links change, so we need to
recalculate the aggregate data in the stations.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Add the link address to the per-link information, but only if we are
using MLO.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
