- Add warning in unlikely case that device is not captured with
driver_override. (Kunwu Chan)
- Error handling improvements in mlx5-vfio-pci to detect firmware
tracking object error states, logging of firmware error syndrom,
and releasing of firmware resources in aborted migration sequence.
(Yishai Hadas)
- Correct an un-alphabetized VFIO MAINTAINERS entry.
(Alex Williamson)
- Make the mdev_bus_type const and also make the class struct const
for a couple of the vfio-mdev sample drivers. (Ricardo B. Marliere)
- Addition of a new vfio-pci variant driver for the GPU of NVIDIA's
Grace-Hopper superchip. During initialization of the chip-to-chip
interconnect in this hardware module, the PCI BARs of the device
become unused in favor of a faster, coherent mechanism for exposing
device memory. This driver primarily changes the VFIO
representation of the device to masquerade this coherent aperture
to replace the physical PCI BARs for userspace drivers. This also
incorporates use of a new vma flag allowing KVM to use write
combining attributes for uncached device memory. (Ankit Agrawal)
- Reset fixes and cleanups for the pds-vfio-pci driver. Save and
restore files were previously leaked if the device didn't pass
through an error state, this is resolved and later re-fixed to
prevent access to the now freed files. Reset handling is also
refactored to remove the complicated deferred reset mechanism.
(Brett Creeley)
- Remove some references to pl330 in the vfio-platform amba
driver. (Geert Uytterhoeven)
- Remove twice redundant and ugly code to unpin incidental pins
of the zero-page. (Alex Williamson)
- Deferred reset logic is also removed from the hisi-acc-vfio-pci
driver as a simplification. (Shameer Kolothum)
- Enforce that mlx5-vfio-pci devices must support PRE_COPY and
remove resulting unnecessary code. There is no device firmware
that has been available publicly without this support.
(Yishai Hadas)
- Switch over to using the .remove_new callback for vfio-platform
in support of the broader transition for a void remove function.
(Uwe Kleine-König)
- Resolve multiple issues in interrupt code for VFIO bus drivers
that allow calling eventfd_signal() on a NULL context. This
also remove a potential race in INTx setup on certain hardware
for vfio-pci, races with various mechanisms to mask INTx, and
leaked virqfds in vfio-platform. (Alex Williamson)
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Merge tag 'vfio-v6.9-rc1' of https://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Add warning in unlikely case that device is not captured with
driver_override (Kunwu Chan)
- Error handling improvements in mlx5-vfio-pci to detect firmware
tracking object error states, logging of firmware error syndrom, and
releasing of firmware resources in aborted migration sequence (Yishai
Hadas)
- Correct an un-alphabetized VFIO MAINTAINERS entry (Alex Williamson)
- Make the mdev_bus_type const and also make the class struct const for
a couple of the vfio-mdev sample drivers (Ricardo B. Marliere)
- Addition of a new vfio-pci variant driver for the GPU of NVIDIA's
Grace-Hopper superchip. During initialization of the chip-to-chip
interconnect in this hardware module, the PCI BARs of the device
become unused in favor of a faster, coherent mechanism for exposing
device memory. This driver primarily changes the VFIO representation
of the device to masquerade this coherent aperture to replace the
physical PCI BARs for userspace drivers. This also incorporates use
of a new vma flag allowing KVM to use write combining attributes for
uncached device memory (Ankit Agrawal)
- Reset fixes and cleanups for the pds-vfio-pci driver. Save and
restore files were previously leaked if the device didn't pass
through an error state, this is resolved and later re-fixed to
prevent access to the now freed files. Reset handling is also
refactored to remove the complicated deferred reset mechanism (Brett
Creeley)
- Remove some references to pl330 in the vfio-platform amba driver
(Geert Uytterhoeven)
- Remove twice redundant and ugly code to unpin incidental pins of the
zero-page (Alex Williamson)
- Deferred reset logic is also removed from the hisi-acc-vfio-pci
driver as a simplification (Shameer Kolothum)
- Enforce that mlx5-vfio-pci devices must support PRE_COPY and remove
resulting unnecessary code. There is no device firmware that has been
available publicly without this support (Yishai Hadas)
- Switch over to using the .remove_new callback for vfio-platform in
support of the broader transition for a void remove function (Uwe
Kleine-König)
- Resolve multiple issues in interrupt code for VFIO bus drivers that
allow calling eventfd_signal() on a NULL context. This also remove a
potential race in INTx setup on certain hardware for vfio-pci, races
with various mechanisms to mask INTx, and leaked virqfds in
vfio-platform (Alex Williamson)
* tag 'vfio-v6.9-rc1' of https://github.com/awilliam/linux-vfio: (29 commits)
vfio/fsl-mc: Block calling interrupt handler without trigger
vfio/platform: Create persistent IRQ handlers
vfio/platform: Disable virqfds on cleanup
vfio/pci: Create persistent INTx handler
vfio: Introduce interface to flush virqfd inject workqueue
vfio/pci: Lock external INTx masking ops
vfio/pci: Disable auto-enable of exclusive INTx IRQ
vfio/pds: Refactor/simplify reset logic
vfio/pds: Make sure migration file isn't accessed after reset
vfio/platform: Convert to platform remove callback returning void
vfio/mlx5: Enforce PRE_COPY support
vfio/mbochs: make mbochs_class constant
vfio/mdpy: make mdpy_class constant
hisi_acc_vfio_pci: Remove the deferred_reset logic
Revert "vfio/type1: Unpin zero pages"
vfio/nvgrace-gpu: Convey kvm to map device memory region as noncached
vfio: amba: Rename pl330_ids[] to vfio_amba_ids[]
vfio/pds: Always clear the save/restore FDs on reset
vfio/nvgrace-gpu: Add vfio pci variant module for grace hopper
vfio/pci: rename and export range_intersect_range
...
This series adds support for combining multiple devices (PFs) of the
same port under one netdev instance. Passing traffic through different
devices belonging to different NUMA sockets saves cross-numa traffic and
allows apps running on the same netdev from different numas to still
feel a sense of proximity to the device and achieve improved
performance.
We achieve this by grouping PFs together, and creating the netdev only
once all group members are probed. Symmetrically, we destroy the netdev
once any of the PFs is removed.
The channels are distributed between all devices, a proper configuration
would utilize the correct close numa when working on a certain app/cpu.
We pick one device to be a primary (leader), and it fills a special
role. The other devices (secondaries) are disconnected from the network
in the chip level (set to silent mode). All RX/TX traffic is steered
through the primary to/from the secondaries.
Currently, we limit the support to PFs only, and up to two devices
(sockets).
V6:
- Address documentation comments from Jakub.
V5:
- Address documentation comments from Przemek Kitszel.
V4:
- Improve documentation for better user observability and understanding
of the feature, in terms of queues and their expected NUMA/CPU/IRQ
affinity.
V3:
- Fix documentation per Jakubs feedback.
- Fix typos
- Link new documentation in the networking index.rst
V2:
- Add documentation in a new patch.
- Add debugfs in a new patch.
- Add mlx5_ifc bit for MPIR cap check and use it before query.
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Merge tag 'mlx5-socket-direct-v3' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
Support Multi-PF netdev (Socket Direct)
This series adds support for combining multiple devices (PFs) of the
same port under one netdev instance. Passing traffic through different
devices belonging to different NUMA sockets saves cross-numa traffic and
allows apps running on the same netdev from different numas to still
feel a sense of proximity to the device and achieve improved
performance.
We achieve this by grouping PFs together, and creating the netdev only
once all group members are probed. Symmetrically, we destroy the netdev
once any of the PFs is removed.
The channels are distributed between all devices, a proper configuration
would utilize the correct close numa when working on a certain app/cpu.
We pick one device to be a primary (leader), and it fills a special
role. The other devices (secondaries) are disconnected from the network
in the chip level (set to silent mode). All RX/TX traffic is steered
through the primary to/from the secondaries.
Currently, we limit the support to PFs only, and up to two devices
(sockets).
* tag 'mlx5-socket-direct-v3' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux:
Documentation: networking: Add description for multi-pf netdev
net/mlx5: Enable SD feature
net/mlx5e: Block TLS device offload on combined SD netdev
net/mlx5e: Support per-mdev queue counter
net/mlx5e: Support cross-vhca RSS
net/mlx5e: Let channels be SD-aware
net/mlx5e: Create EN core HW resources for all secondary devices
net/mlx5e: Create single netdev per SD group
net/mlx5: SD, Add debugfs
net/mlx5: SD, Add informative prints in kernel log
net/mlx5: SD, Implement steering for primary and secondaries
net/mlx5: SD, Implement devcom communication and primary election
net/mlx5: SD, Implement basic query and instantiation
net/mlx5: SD, Introduce SD lib
net/mlx5: Add MPIR bit in mcam_access_reg
====================
Link: https://lore.kernel.org/r/20240307084229.500776-1-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Have an actual mlx5_sd instance in the core device, and fix the getter
accordingly. This allows SD stuff to flow, the feature becomes supported
only here.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Add a cap bit in mcam_access_reg to check for MPIR support.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Functions which can't access MFRL (Management Firmware Reset Level)
register, have no use of fw_reset structures or events. Remove fw_reset
structures allocation and registration for fw reset events notifications
for these functions.
Having the devlink param enable_remote_dev_reset on functions that don't
have this capability is misleading as these functions are not allowed to
influence the reset flow. Hence, this patch removes this parameter for
such functions.
In addition, return not supported on devlink reload action fw_activate
for these functions.
Fixes: 38b9f903f2 ("net/mlx5: Handle sync reset request event")
Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Aya Levin <ayal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Add the IFC related bits for query tracker.
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Acked-by: Leon Romanovsky <leon@kernel.org>
Link: https://lore.kernel.org/r/20240205124828.232701-2-yishaih@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
irdma and bnxt_re fixes:
- Missing error unwind in hf1
- For bnxt - fix fenching behavior to work on new chips, fail unsupported
SRQ resize back to userspace, propogate SRQ FW failure back to
userspace.
- Correctly fail unsupported SRQ resize back to userspace in bnxt
- Adjust a memcpy in mlx5 to not overflow a struct field.
- Prevent userspace from triggering mlx5 fw syndrome logging from sysfs
- Use the correct access mode for MLX5_IB_METHOD_DEVX_OBJ_MODIFY to avoid
a userspace failure on modify
- For irdma - Don't UAF a concurrent tasklet during destroy, prevent
userspace from issuing invalid QP attrs, fix a possible CQ overflow,
capture a missing HW async error event
- sendmsg() triggerable memory access crash in hfi1
- Fix the srpt_service_guid parameter to not crash due to missing function
pointer
- Don't leak objects in error unwind in qedr
- Don't weirdly cast function pointers in srpt
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"Mostly irdma and bnxt_re fixes:
- Missing error unwind in hf1
- For bnxt - fix fenching behavior to work on new chips, fail
unsupported SRQ resize back to userspace, propogate SRQ FW failure
back to userspace.
- Correctly fail unsupported SRQ resize back to userspace in bnxt
- Adjust a memcpy in mlx5 to not overflow a struct field.
- Prevent userspace from triggering mlx5 fw syndrome logging from
sysfs
- Use the correct access mode for MLX5_IB_METHOD_DEVX_OBJ_MODIFY to
avoid a userspace failure on modify
- For irdma - Don't UAF a concurrent tasklet during destroy, prevent
userspace from issuing invalid QP attrs, fix a possible CQ
overflow, capture a missing HW async error event
- sendmsg() triggerable memory access crash in hfi1
- Fix the srpt_service_guid parameter to not crash due to missing
function pointer
- Don't leak objects in error unwind in qedr
- Don't weirdly cast function pointers in srpt"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/srpt: fix function pointer cast warnings
RDMA/qedr: Fix qedr_create_user_qp error flow
RDMA/srpt: Support specifying the srpt_service_guid parameter
IB/hfi1: Fix sdma.h tx->num_descs off-by-one error
RDMA/irdma: Add AE for too many RNRS
RDMA/irdma: Set the CQ read threshold for GEN 1
RDMA/irdma: Validate max_send_wr and max_recv_wr
RDMA/irdma: Fix KASAN issue with tasklet
RDMA/mlx5: Relax DEVX access upon modify commands
IB/mlx5: Don't expose debugfs entries for RRoCE general parameters if not supported
RDMA/mlx5: Fix fortify source warning while accessing Eth segment
RDMA/bnxt_re: Add a missing check in bnxt_qplib_query_srq
RDMA/bnxt_re: Return error for SRQ resize
RDMA/bnxt_re: Fix unconditional fence for newer adapters
RDMA/bnxt_re: Remove a redundant check inside bnxt_re_vf_res_config
RDMA/bnxt_re: Avoid creating fence MR for newer adapters
IB/hfi1: Fix a memleak in init_credit_return
Device definitions belong in mlx5_ifc, remove the duplicates in
mlx5_core.h.
Signed-off-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Jianbo Liu <jianbol@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Fill-up the lock status error value properly.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
debugfs entries for RRoCE general CC parameters must be exposed only when
they are supported, otherwise when accessing them there may be a syndrome
error in kernel log, for example:
$ cat /sys/kernel/debug/mlx5/0000:08:00.1/cc_params/rtt_resp_dscp
cat: '/sys/kernel/debug/mlx5/0000:08:00.1/cc_params/rtt_resp_dscp': Invalid argument
$ dmesg
mlx5_core 0000:08:00.1: mlx5_cmd_out_err:805:(pid 1253): QUERY_CONG_PARAMS(0x824) op_mod(0x0) failed, status bad parameter(0x3), syndrome (0x325a82), err(-22)
Fixes: 66fb1d5df6 ("IB/mlx5: Extend debug control for CC parameters")
Reviewed-by: Edward Srouji <edwards@nvidia.com>
Signed-off-by: Mark Zhang <markzhang@nvidia.com>
Link: https://lore.kernel.org/r/e7ade70bad52b7468bdb1de4d41d5fad70c8b71c.1706433934.git.leon@kernel.org
Signed-off-by: Leon Romanovsky <leon@kernel.org>
To enable multicast packets which are offloaded in bridge multicast
offload mode to be sent also to uplink, FTE bit uplink_hairpin_en should
be set. Add this bit to FTE for the bridge multicast offload rules.
Fixes: 18c2916cee ("net/mlx5: Bridge, snoop igmp/mld packets")
Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
The sd_group field moved in the HW spec from the MPIR register
to the vport context.
Align the query accordingly.
Fixes: f5e9563299 ("net/mlx5: Expose Management PCIe Index Register (MPIR)")
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
The cited commit moved the code of mlx5e_create_tises() and changed the
loop to create TISes over MLX5_MAX_PORTS constant value, instead of
getting the correct lag ports supported by the device, which can cause
FW errors on devices with less than MLX5_MAX_PORTS ports.
Change that back to mlx5e_get_num_lag_ports(mdev).
Also IPoIB interfaces create there own TISes, they don't use the eth
TISes, pass a flag to indicate that.
This fixes the following errors that might appear in kernel log:
mlx5_cmd_out_err:808:(pid 650): CREATE_TIS(0x912) op_mod(0x0) failed, status bad parameter(0x3), syndrome (0x595b5d), err(-22)
mlx5e_create_mdev_resources:174:(pid 650): alloc tises failed, -22
Fixes: b25bd37c85 ("net/mlx5: Move TISes from priv to mdev HW resources")
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
vdpa/mlx5: support for resumable vqs
virtio_scsi: mq_poll support
3virtio_pmem: support SHMEM_REGION
virtio_balloon: stay awake while adjusting balloon
virtio: support for no-reset virtio PCI PM
Fixes, cleanups.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
- vdpa/mlx5: support for resumable vqs
- virtio_scsi: mq_poll support
- 3virtio_pmem: support SHMEM_REGION
- virtio_balloon: stay awake while adjusting balloon
- virtio: support for no-reset virtio PCI PM
- Fixes, cleanups
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vdpa/mlx5: Add mkey leak detection
vdpa/mlx5: Introduce reference counting to mrs
vdpa/mlx5: Use vq suspend/resume during .set_map
vdpa/mlx5: Mark vq state for modification in hw vq
vdpa/mlx5: Mark vq addrs for modification in hw vq
vdpa/mlx5: Introduce per vq and device resume
vdpa/mlx5: Allow modifying multiple vq fields in one modify command
vdpa/mlx5: Expose resumable vq capability
vdpa: Block vq property changes in DRIVER_OK
vdpa: Track device suspended state
scsi: virtio_scsi: Add mq_poll support
virtio_pmem: support feature SHMEM_REGION
virtio_balloon: stay awake while adjusting balloon
vdpa: Remove usage of the deprecated ida_simple_xx() API
virtio: Add support for no-reset virtio PCI PM
virtio_net: fix missing dma unmap for resize
vhost-vdpa: account iommu allocations
vdpa: Fix an error handling path in eni_vdpa_probe()
Small cycle, with some typical driver updates
- General code tidying in siw, hfi1, idrdma, usnic, hns rtrs and bnxt_re
- Many small siw cleanups without an overeaching theme
- Debugfs stats for hns
- Fix a TX queue timeout in IPoIB and missed locking of the mcast list
- Support more features of P7 devices in bnxt_re including a new work
submission protocol
- CQ interrupts for MANA
- netlink stats for erdma
- EFA multipath PCI support
- Fix Incorrect MR invalidation in iser
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"Small cycle, with some typical driver updates:
- General code tidying in siw, hfi1, idrdma, usnic, hns rtrs and
bnxt_re
- Many small siw cleanups without an overeaching theme
- Debugfs stats for hns
- Fix a TX queue timeout in IPoIB and missed locking of the mcast
list
- Support more features of P7 devices in bnxt_re including a new work
submission protocol
- CQ interrupts for MANA
- netlink stats for erdma
- EFA multipath PCI support
- Fix Incorrect MR invalidation in iser"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (66 commits)
RDMA/bnxt_re: Fix error code in bnxt_re_create_cq()
RDMA/efa: Add EFA query MR support
IB/iser: Prevent invalidating wrong MR
RDMA/erdma: Add hardware statistics support
RDMA/erdma: Introduce dma pool for hardware responses of CMDQ requests
IB/iser: iscsi_iser.h: fix kernel-doc warning and spellos
RDMA/mana_ib: Add CQ interrupt support for RAW QP
RDMA/mana_ib: query device capabilities
RDMA/mana_ib: register RDMA device with GDMA
RDMA/bnxt_re: Fix the sparse warnings
RDMA/bnxt_re: Fix the offset for GenP7 adapters for user applications
RDMA/bnxt_re: Share a page to expose per CQ info with userspace
RDMA/bnxt_re: Add UAPI to share a page with user space
IB/ipoib: Fix mcast list locking
RDMA/mlx5: Expose register c0 for RDMA device
net/mlx5: E-Switch, expose eswitch manager vport
net/mlx5: Manage ICM type of SW encap
RDMA/mlx5: Support handling of SW encap ICM area
net/mlx5: Introduce indirect-sw-encap ICM properties
RDMA/bnxt_re: Adds MSN table capability for Gen P7 adapters
...
Instead of tearing down and setting up vq resources, use vq
suspend/resume during .set_map to speed things up a bit.
The vq mr is updated with the new mapping while the vqs are suspended.
If the device doesn't support resumable vqs, do the old teardown and
setup dance.
Reviewed-by: Gal Pressman <gal@nvidia.com>
Acked-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Message-Id: <20231225151203.152687-7-dtatulea@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
.set_vq_state will set the indices and mark the fields to be modified in
the hw vq.
Advertise that the device supports changing the vq state when the device
is in DRIVER_OK state and suspended.
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20231225151203.152687-6-dtatulea@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Addresses get set by .set_vq_address. hw vq addresses will be updated on
next modify_virtqueue.
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Message-Id: <20231225151203.152687-5-dtatulea@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Necessary for checking if resumable vqs are supported by the hardware.
Actual support will be added in a downstream patch.
Reviewed-by: Gal Pressman <gal@nvidia.com>
Acked-by: Eugenio Pérez <eperezma@redhat.com>
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Message-Id: <20231225151203.152687-2-dtatulea@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Revert "net/mlx5: Implement management PF Ethernet profile"
This reverts commit 22c4640698.
Revert "net/mlx5: Enable SD feature"
This reverts commit c88c49ac9c.
Revert "net/mlx5e: Block TLS device offload on combined SD netdev"
This reverts commit 83a59ce005.
Revert "net/mlx5e: Support per-mdev queue counter"
This reverts commit d72baceb92.
Revert "net/mlx5e: Support cross-vhca RSS"
This reverts commit c73a3ab8fa.
Revert "net/mlx5e: Let channels be SD-aware"
This reverts commit e4f9686bde.
Revert "net/mlx5e: Create EN core HW resources for all secondary devices"
This reverts commit c4fb94aa82.
Revert "net/mlx5e: Create single netdev per SD group"
This reverts commit e2578b4f98.
Revert "net/mlx5: SD, Add informative prints in kernel log"
This reverts commit c82d360325.
Revert "net/mlx5: SD, Implement steering for primary and secondaries"
This reverts commit 605fcce33b.
Revert "net/mlx5: SD, Implement devcom communication and primary election"
This reverts commit a45af9a967.
Revert "net/mlx5: SD, Implement basic query and instantiation"
This reverts commit 63b9ce944c.
Revert "net/mlx5: SD, Introduce SD lib"
This reverts commit 4a04a31f49.
Revert "net/mlx5: Fix query of sd_group field"
This reverts commit e04984a373.
Revert "net/mlx5e: Use the correct lag ports number when creating TISes"
This reverts commit a7e7b40c4b.
There are some unanswered questions on the list, and we don't
have any docs. Given the lack of replies so far and the fact
that v6.8 merge window has started - let's revert this and
revisit for v6.9.
Link: https://lore.kernel.org/all/20231221005721.186607-1-saeed@kernel.org/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add management PF modules, which introduce support for the structures
needed to create the resources for the MGMT PF to work.
Also, add the necessary calls and functions to establish this
functionality.
Signed-off-by: Armen Ratner <armeng@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Daniel Jurgens <danielj@nvidia.com>
Have an actual mlx5_sd instance in the core device, and fix the getter
accordingly. This allows SD stuff to flow, the feature becomes supported
only here.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
The sd_group field moved in the HW spec from the MPIR register
to the vport context.
Align the query accordingly.
Fixes: f5e9563299 ("net/mlx5: Expose Management PCIe Index Register (MPIR)")
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
The cited commit moved the code of mlx5e_create_tises() and changed the
loop to create TISes over MLX5_MAX_PORTS constant value, instead of
getting the correct lag ports supported by the device, which can cause
FW errors on devices with less than MLX5_MAX_PORTS ports.
Change that back to mlx5e_get_num_lag_ports(mdev).
Also IPoIB interfaces create there own TISes, they don't use the eth
TISes, pass a flag to indicate that.
Fixes: b25bd37c85 ("net/mlx5: Move TISes from priv to mdev HW resources")
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Alexei Starovoitov says:
====================
pull-request: bpf-next 2023-12-18
This PR is larger than usual and contains changes in various parts
of the kernel.
The main changes are:
1) Fix kCFI bugs in BPF, from Peter Zijlstra.
End result: all forms of indirect calls from BPF into kernel
and from kernel into BPF work with CFI enabled. This allows BPF
to work with CONFIG_FINEIBT=y.
2) Introduce BPF token object, from Andrii Nakryiko.
It adds an ability to delegate a subset of BPF features from privileged
daemon (e.g., systemd) through special mount options for userns-bound
BPF FS to a trusted unprivileged application. The design accommodates
suggestions from Christian Brauner and Paul Moore.
Example:
$ sudo mkdir -p /sys/fs/bpf/token
$ sudo mount -t bpf bpffs /sys/fs/bpf/token \
-o delegate_cmds=prog_load:MAP_CREATE \
-o delegate_progs=kprobe \
-o delegate_attachs=xdp
3) Various verifier improvements and fixes, from Andrii Nakryiko, Andrei Matei.
- Complete precision tracking support for register spills
- Fix verification of possibly-zero-sized stack accesses
- Fix access to uninit stack slots
- Track aligned STACK_ZERO cases as imprecise spilled registers.
It improves the verifier "instructions processed" metric from single
digit to 50-60% for some programs.
- Fix verifier retval logic
4) Support for VLAN tag in XDP hints, from Larysa Zaremba.
5) Allocate BPF trampoline via bpf_prog_pack mechanism, from Song Liu.
End result: better memory utilization and lower I$ miss for calls to BPF
via BPF trampoline.
6) Fix race between BPF prog accessing inner map and parallel delete,
from Hou Tao.
7) Add bpf_xdp_get_xfrm_state() kfunc, from Daniel Xu.
It allows BPF interact with IPSEC infra. The intent is to support
software RSS (via XDP) for the upcoming ipsec pcpu work.
Experiments on AWS demonstrate single tunnel pcpu ipsec reaching
line rate on 100G ENA nics.
8) Expand bpf_cgrp_storage to support cgroup1 non-attach, from Yafang Shao.
9) BPF file verification via fsverity, from Song Liu.
It allows BPF progs get fsverity digest.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (164 commits)
bpf: Ensure precise is reset to false in __mark_reg_const_zero()
selftests/bpf: Add more uprobe multi fail tests
bpf: Fail uprobe multi link with negative offset
selftests/bpf: Test the release of map btf
s390/bpf: Fix indirect trampoline generation
selftests/bpf: Temporarily disable dummy_struct_ops test on s390
x86/cfi,bpf: Fix bpf_exception_cb() signature
bpf: Fix dtor CFI
cfi: Add CFI_NOSEAL()
x86/cfi,bpf: Fix bpf_struct_ops CFI
x86/cfi,bpf: Fix bpf_callback_t CFI
x86/cfi,bpf: Fix BPF JIT call
cfi: Flip headers
selftests/bpf: Add test for abnormal cnt during multi-kprobe attachment
selftests/bpf: Don't use libbpf_get_error() in kprobe_multi_test
selftests/bpf: Add test for abnormal cnt during multi-uprobe attachment
bpf: Limit the number of kprobes when attaching program to multiple kprobes
bpf: Limit the number of uprobes when attaching program to multiple uprobes
bpf: xdp: Register generic_kfunc_set with XDP programs
selftests/bpf: utilize string values for delegate_xxx mount options
...
====================
Link: https://lore.kernel.org/r/20231219000520.34178-1-alexei.starovoitov@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Preparation for mlx5e socket direct feature.
Socket direct will allow multiple PF devices attached to different
NUMA nodes but sharing the same physical port.
The following series is a small refactoring series in preparation
to support socket direct in the following submission.
Highlights:
- Define required device registers and bits related to socket direct
- Flow steering re-arrangements
- Generalize TX objects (TISs) and store them in a common object, will
be useful in the next series for per function object management.
- Decouple raw CQ objects from their parent netdev priv
- Prepare devcom for Socket Direct device group discovery.
Please see the individual patches for more information.
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Merge tag 'mlx5-updates-2023-12-13' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2023-12-13
Preparation for mlx5e socket direct feature.
Socket direct will allow multiple PF devices attached to different
NUMA nodes but sharing the same physical port.
The following series is a small refactoring series in preparation
to support socket direct in the following submission.
Highlights:
- Define required device registers and bits related to socket direct
- Flow steering re-arrangements
- Generalize TX objects (TISs) and store them in a common object, will
be useful in the next series for per function object management.
- Decouple raw CQ objects from their parent netdev priv
- Prepare devcom for Socket Direct device group discovery.
Please see the individual patches for more information.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The transport interface send (TIS) object is responsible for performing
all transport related operations of the transmit side. Messages from
Send Queues get segmented and transmitted by the TIS including all
transport required implications, e.g. in the case of large send offload,
the TIS is responsible for the segmentation.
These are stateless objects and can be used by multiple netdevs (e.g.
representors) who share the same core device.
Providing the TISes as a service from the core layer to the netdev layer
reduces the number of replecated TIS objects (in case of multiple
netdevs), and will ease the transition to netdev with multiple mdevs.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
MPIR register allows to query the PCIe indexes
and Socket-Direct related parameters.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Multiple device caps and features are required to support
single netdev Socket-Direct.
Add them here in preparation for the feature implementation.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
IPsec NAT-T packets are UDP encapsulated packets over ESP normal ones.
In case they arrive to RX, the SPI and ESP are located in inner header,
while the check was performed on outer header instead.
That wrong check caused to the situation where received rekeying request
was missed and caused to rekey timeout, which "compensated" this failure
by completing rekeying.
Fixes: d659549349 ("net/mlx5e: Support IPsec NAT-T functionality")
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Users can configure IPsec replay window size, but mlx5 driver didn't
honor their choice and set always 32bits. Fix assignment logic to
configure right size from the beginning.
Fixes: 7db21ef456 ("net/mlx5e: Set IPsec replay sequence numbers")
Reviewed-by: Patrisious Haddad <phaddad@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Some mlx5 devices do not support the default advertised maximum frequency
adjustment value for the PTP hardware clock that is set by the driver.
These devices need to be queried when initializing the clock functionality
in order to get the maximum supported frequency adjustment value. This
value can be greater than the minimum supported frequency adjustment across
mlx5 devices (50 million ppb).
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
vdpa/mlx5:
VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK
new maintainer
vdpa:
support for vq descriptor mappings
decouple reset of iotlb mapping from device reset
fixes, cleanups all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
"vhost,virtio,vdpa: features, fixes, cleanups.
vdpa/mlx5:
- VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK
- new maintainer
vdpa:
- support for vq descriptor mappings
- decouple reset of iotlb mapping from device reset
and fixes, cleanups all over the place"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (34 commits)
vdpa_sim: implement .reset_map support
vdpa/mlx5: implement .reset_map driver op
vhost-vdpa: clean iotlb map during reset for older userspace
vdpa: introduce .compat_reset operation callback
vhost-vdpa: introduce IOTLB_PERSIST backend feature bit
vhost-vdpa: reset vendor specific mapping to initial state in .release
vdpa: introduce .reset_map operation callback
virtio_pci: add check for common cfg size
virtio-blk: fix implicit overflow on virtio_max_dma_size
virtio_pci: add build offset check for the new common cfg items
virtio: add definition of VIRTIO_F_NOTIF_CONFIG_DATA feature bit
vduse: make vduse_class constant
vhost-scsi: Spelling s/preceeding/preceding/g
virtio: kdoc for struct virtio_pci_modern_device
vdpa: Update sysfs ABI documentation
MAINTAINERS: Add myself as mlx5_vdpa driver
virtio-balloon: correct the comment of virtballoon_migratepage()
mlx5_vdpa: offer VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK
vdpa/mlx5: Update cvq iotlb mapping on ASID change
vdpa/mlx5: Make iotlb helper functions more generic
...
The usual collection of patches:
- Bug fixes for hns, mlx5, and hfi1
- Hardening patches for size_*, counted_by, strscpy
- rts fixes from static analysis
- Dump SRQ objects in rdma netlink, with hns support
- Fix a performance regression in mlx5 MR deregistration
- New XDR (200Gb/lane) link speed
- SRQ record doorbell latency optimization for hns
- IPSEC support for mlx5 multi-port mode
- ibv_rereg_mr() support for irdma
- Affiliated event support for bnxt_re
- Opt out for the spec compliant qkey security enforcement as we
discovered SW that breaks under enforcement
- Comment and trivial updates
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"Nothing exciting this cycle, most of the diffstat is changing SPDX
'or' to 'OR'.
Summary:
- Bugfixes for hns, mlx5, and hfi1
- Hardening patches for size_*, counted_by, strscpy
- rts fixes from static analysis
- Dump SRQ objects in rdma netlink, with hns support
- Fix a performance regression in mlx5 MR deregistration
- New XDR (200Gb/lane) link speed
- SRQ record doorbell latency optimization for hns
- IPSEC support for mlx5 multi-port mode
- ibv_rereg_mr() support for irdma
- Affiliated event support for bnxt_re
- Opt out for the spec compliant qkey security enforcement as we
discovered SW that breaks under enforcement
- Comment and trivial updates"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (50 commits)
IB/mlx5: Fix init stage error handling to avoid double free of same QP and UAF
RDMA/mlx5: Fix mkey cache WQ flush
RDMA/hfi1: Workaround truncation compilation error
IB/hfi1: Fix potential deadlock on &irq_src_lock and &dd->uctxt_lock
RDMA/core: Remove NULL check before dev_{put, hold}
RDMA/hfi1: Remove redundant assignment to pointer ppd
RDMA/mlx5: Change the key being sent for MPV device affiliation
RDMA/bnxt_re: Fix clang -Wimplicit-fallthrough in bnxt_re_handle_cq_async_error()
RDMA/hns: Fix init failure of RoCE VF and HIP08
RDMA/hns: Fix unnecessary port_num transition in HW stats allocation
RDMA/hns: The UD mode can only be configured with DCQCN
RDMA/hns: Add check for SL
RDMA/hns: Fix signed-unsigned mixed comparisons
RDMA/hns: Fix uninitialized ucmd in hns_roce_create_qp_common()
RDMA/hns: Fix printing level of asynchronous events
RDMA/core: Add support to set privileged QKEY parameter
RDMA/bnxt_re: Do not report SRQ error in srq notification
RDMA/bnxt_re: Report async events and errors
RDMA/bnxt_re: Update HW interface headers
IB/mlx5: Fix rdma counter binding for RAW QP
...
Vq descriptor mappings are supported in hardware by filling in an
additional mkey which contains the descriptor mappings to the hw vq.
A previous patch in this series added support for hw mkey (mr) creation
for ASID 1.
This patch fills in both the vq data and vq descriptor mkeys based on
group ASID mapping.
The feature is signaled to the vdpa core through the presence of the
.get_vq_desc_group op.
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Eugenio Pérez <eperezma@redhat.com>
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Message-Id: <20231018171456.1624030-16-dtatulea@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Si-Wei Liu <si-wei.liu@oracle.com>
Tested-by: Si-Wei Liu <si-wei.liu@oracle.com>
Tested-by: Lei Yang <leiyang@redhat.com>
Commit 2ac9cfe782 ("net/mlx5e: IPSec, Add Innova IPSec offload TX data path")
declared mlx5e_ipsec_inverse_table_init() but never implemented it.
Commit f52f2faee5 ("net/mlx5e: Introduce flow steering API")
declared mlx5e_fs_set_tc() but never implemented it.
Commit f2f3df5501 ("net/mlx5: EQ, Privatize eq_table and friends")
declared mlx5_eq_comp_cpumask() but never implemented it.
Commit cac1eb2cf2 ("net/mlx5: Lag, properly lock eswitch if needed")
removed mlx5_lag_update() but not its declaration.
Commit 35ba005d82 ("net/mlx5: DR, Set flex parser for TNL_MPLS dynamically")
removed mlx5dr_ste_build_tnl_mpls() but not its declaration.
Commit e126ba97db ("mlx5: Add driver for Mellanox Connect-IB adapters")
declared but never implemented mlx5_alloc_cmd_mailbox_chain() and mlx5_free_cmd_mailbox_chain().
Commit 0cf53c1247 ("net/mlx5: FWPage, Use async events chain")
removed mlx5_core_req_pages_handler() but not its declaration.
Commit 938fe83c8d ("net/mlx5_core: New device capabilities handling")
removed mlx5_query_odp_caps() but not its declaration.
Commit f6a8a19bb1 ("RDMA/netdev: Hoist alloc_netdev_mqs out of the driver")
removed mlx5_rdma_netdev_alloc() but not its declaration.
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
LAG peer device lookout bus logic required the usage of global lock,
mlx5_intf_mutex.
As part of the effort to remove this global lock, refactor LAG peer
device lookout to use mlx5 devcom layer.
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
At present, mlx5 driver have a general purpose
event handler which not only handles vhca event
but also many other events. This incurs a huge
bottleneck because the event handler is
implemented by single threaded workqueue and all
events are forced to be handled in serial manner
even though application tries to create multiple
SFs simultaneously.
Introduce a dedicated vhca event handler which
manages SFs parallel creation.
Signed-off-by: Wei Zhang <weizhang@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Leon Romanovsky says:
====================
This PR is collected from
https://lore.kernel.org/all/cover.1695296682.git.leon@kernel.org
This series from Patrisious extends mlx5 to support IPsec packet offload
in multiport devices (MPV, see [1] for more details).
These devices have single flow steering logic and two netdev interfaces,
which require extra logic to manage IPsec configurations as they performed
on netdevs.
[1] https://lore.kernel.org/linux-rdma/20180104152544.28919-1-leon@kernel.org/
* 'mlx5-next' of https://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux:
net/mlx5: Handle IPsec steering upon master unbind/bind
net/mlx5: Configure IPsec steering for ingress RoCEv2 MPV traffic
net/mlx5: Configure IPsec steering for egress RoCEv2 MPV traffic
net/mlx5: Add create alias flow table function to ipsec roce
net/mlx5: Implement alias object allow and create functions
net/mlx5: Add alias flow table bits
net/mlx5: Store devcom pointer inside IPsec RoCE
net/mlx5: Register mlx5e priv to devcom in MPV mode
RDMA/mlx5: Send events from IB driver about device affiliation state
net/mlx5: Introduce ifc bits for migration in a chunk mode
====================
Link: https://lore.kernel.org/r/20231002083832.19746-1-leon@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This series from Patrisious extends mlx5 to support IPsec packet offload
in multiport devices (MPV, see [1] for more details).
These devices have single flow steering logic and two netdev interfaces,
which require extra logic to manage IPsec configurations as they performed
on netdevs.
Thanks
[1] https://lore.kernel.org/linux-rdma/20180104152544.28919-1-leon@kernel.org/
Link: https://lore.kernel.org/all/20231002083832.19746-1-leon@kernel.org
Signed-of-by: Leon Romanovsky <leon@kernel.org>
* mlx5-next: (576 commits)
net/mlx5: Handle IPsec steering upon master unbind/bind
net/mlx5: Configure IPsec steering for ingress RoCEv2 MPV traffic
net/mlx5: Configure IPsec steering for egress RoCEv2 MPV traffic
net/mlx5: Add create alias flow table function to ipsec roce
net/mlx5: Implement alias object allow and create functions
net/mlx5: Add alias flow table bits
net/mlx5: Store devcom pointer inside IPsec RoCE
net/mlx5: Register mlx5e priv to devcom in MPV mode
RDMA/mlx5: Send events from IB driver about device affiliation state
net/mlx5: Introduce ifc bits for migration in a chunk mode
Linux 6.6-rc3
...
Necessary for improved live migration flow. Actual support will be added
in a downstream patch.
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Link: https://lore.kernel.org/r/20230928164550.980832-3-dtatulea@nvidia.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Add all the capabilities needed to check for alias object support.
As well as all the fields or commands needed for its creation and
the creation of flow table that is able to jump to an alias object.
Signed-off-by: Patrisious Haddad <phaddad@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Link: https://lore.kernel.org/r/544c030f2a78c4adf3fe6b64f97a39cc1bbdabb9.1695296682.git.leon@kernel.org
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Linus Torvalds