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2019-04-02net/mlx5: Make mlx5_core messages independent from mdev->pdevHuy Nguyen
Detach mlx5_core mdev messages from pci device mdev->pdev messages and provide a better report/debug of different mlx5 device types. This patch does not change any functionality. Signed-off-by: Huy Nguyen <huyn@mellanox.com> Signed-off-by: Vu Pham <vuhuong@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Reviewed-by: Parav Pandit <parav@mellanox.com>
2019-04-02net/mlx5: Break load_one into three stagesSaeed Mahameed
Using foundation from previous patches to factor mlx5_load_one flow into three stages: 1. mlx5_function_setup() from previous patch to setup function 2. mlx5_init_once() from previous patch to init software objects according to hw caps 3. New mlx5_load() to load mlx5 components This provides a better logical separation of mlx5 core device initialization flow and will help to seamlessly support creating different mlx5 device types such as PF, VF and SF mlx5 sub-function virtual device. This patch does not change any functionality. Signed-off-by: Vu Pham <vuhuong@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-04-02net/mlx5: Function setup/teardown proceduresSaeed Mahameed
Function setup and teardown procedures are the basic procedure that each mlx5 pci function should perform to boot up a mlx5 device function and initialize basic communication with FW, before allocating any higher level software/firmware resources. This provides a better logical separation of mlx5 core device initialization flow and will help to seamlessly support creating different mlx5 device types such as PF, VF and SF mlx5 sub-function virtual device. This patch does not change any functionality. Signed-off-by: Vu Pham <vuhuong@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-04-02net/mlx5: Move health and page alloc init to mdev_initSaeed Mahameed
Software structure initialization should be in mdev_init stage. This provides a better logical separation of mlx5 core device initialization flow and will help to seamlessly support creating different mlx5 device types such as PF, VF and SF mlx5 sub-function virtual device. This patch does not change any functionality. Signed-off-by: Vu Pham <vuhuong@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-04-02net/mlx5: Split mdev init and pci initSaeed Mahameed
Separate resources initialization from pci initialization. This provides a better logical separation of mlx5 core device initialization flow and will help to seamlessly support creating different mlx5 device types such as PF, VF and SF mlx5 sub-function virtual device. This patch does not change any functionality. Signed-off-by: Vu Pham <vuhuong@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-04-02net/mlx5: Remove redundant init functions parameterSaeed Mahameed
This patch does not change any functionality. Signed-off-by: Vu Pham <vuhuong@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-04-02net/mlx5: Remove spinlock support from mlx5_write64Maxim Mikityanskiy
As there is no user of mlx5_write64 that passes a spinlock to mlx5_write64, remove this functionality and simplify the function. Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com> Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-04-02net/mlx5: Remove unused MLX5_*_DOORBELL_LOCK macrosMaxim Mikityanskiy
MLX5_*_DOORBELL_LOCK macros provided a way to avoid locking for mlx5_write64 on 64-bit platforms where it's not necessary. Currently all calls to mlx5_write64 don't use a spinlock, so the macros became unused. Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com> Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-04-02RDMA/hns: Fix bad endianess of port_pd variableLeon Romanovsky
port_pd is treated as le32 in declaration and read, fix assignment to be in le32 too. This change fixes the following compilation warnings. drivers/infiniband/hw/hns/hns_roce_ah.c:67:24: warning: incorrect type in assignment (different base types) drivers/infiniband/hw/hns/hns_roce_ah.c:67:24: expected restricted __le32 [usertype] port_pd drivers/infiniband/hw/hns/hns_roce_ah.c:67:24: got restricted __be32 [usertype] Fixes: 9a4435375cd1 ("IB/hns: Add driver files for hns RoCE driver") Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Gal Pressman <galpress@amazon.com> Reviewed-by: Lijun Ou <ouliun@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-04-01IB: Pass only ib_udata in function prototypesShamir Rabinovitch
Now when ib_udata is passed to all the driver's object create/destroy APIs the ib_udata will carry the ib_ucontext for every user command. There is no need to also pass the ib_ucontext via the functions prototypes. Make ib_udata the only argument psssed. Signed-off-by: Shamir Rabinovitch <shamir.rabinovitch@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-04-01IB: Remove 'uobject->context' dependency in object destroy APIsShamir Rabinovitch
Now that we have the udata passed to all the ib_xxx object destroy APIs and the additional macro 'rdma_udata_to_drv_context' to get the ib_ucontext from ib_udata stored in uverbs_attr_bundle, we can finally start to remove the dependency of the drivers in the ib_xxx->uobject->context. Signed-off-by: Shamir Rabinovitch <shamir.rabinovitch@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-04-01IB: Pass uverbs_attr_bundle down ib_x destroy pathShamir Rabinovitch
The uverbs_attr_bundle with the ucontext is sent down to the drivers ib_x destroy path as ib_udata. The next patch will use the ib_udata to free the drivers destroy path from the dependency in 'uobject->context' as we already did for the create path. Signed-off-by: Shamir Rabinovitch <shamir.rabinovitch@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-04-01IB: Pass uverbs_attr_bundle down uobject destroy pathShamir Rabinovitch
Pass uverbs_attr_bundle down the uobject destroy path. The next patch will use this to eliminate the dependecy of the drivers in ib_x->uobject pointers. Signed-off-by: Shamir Rabinovitch <shamir.rabinovitch@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-04-01IB: ucontext should be set properly for all cmd & ioctl pathsShamir Rabinovitch
the Attempt to use the below commit to initialize the ucontext for the uobject destroy path has shown that the below commit is incomplete. Parts were reverted and the ucontext set up in the uverbs_attr_bundle was moved to rdma_lookup_get_uobject which is called from the uobj_get_XXX macros and rdma_alloc_begin_uobject which is called when uobject is created. Fixes: 3d9dfd060391 ("IB/uverbs: Add ib_ucontext to uverbs_attr_bundle sent from ioctl and cmd flows") Signed-off-by: Shamir Rabinovitch <shamir.rabinovitch@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-04-01opa_vnic: Convert vport_idr to XArrayMatthew Wilcox
Signed-off-by: Matthew Wilcox <willy@infradead.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-04-01qib: Convert qib_unit_table to XArrayMatthew Wilcox
Also remove qib_devs_list. Signed-off-by: Matthew Wilcox <willy@infradead.org> Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-04-01hfi1: Convert hfi1_unit_table to XArrayMatthew Wilcox
Also remove hfi1_devs_list. Signed-off-by: Matthew Wilcox <willy@infradead.org> Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-29RDMA/core: Don't compare specific bit after boolean ANDLeon Romanovsky
There is no need to perform extra comparison after boolean AND. Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-29RDMA/netlink: Remove unused data structureLeon Romanovsky
Delete structure which is not connected due to removal in commit cited in Fixes line. Fixes: a78e8723a505 ("RDMA/cma: Remove CM_ID statistics provided by rdma-cm module") Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-29qedr: Convert srqidr to XArrayMatthew Wilcox
Signed-off-by: Matthew Wilcox <willy@infradead.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-29qedr: Convert qpidr to XArrayMatthew Wilcox
Signed-off-by: Matthew Wilcox <willy@infradead.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-29hfi1: Convert vesw_idr to XArrayMatthew Wilcox
Signed-off-by: Matthew Wilcox <willy@infradead.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-29RDMA/hns: Convert qp_table_tree to XArrayMatthew Wilcox
Also fully initialise the qp before storing it in the XArray. Signed-off-by: Matthew Wilcox <willy@infradead.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-29RDMA/hns: Convert cq_table to XArrayMatthew Wilcox
Change the locking to not disable interrupts as the lookup in interrupt context will not see a freed CQ, thanks to the synchronize_irq() call before freeing the CQ. Signed-off-by: Matthew Wilcox <willy@infradead.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28RDMA/core: Add command to set ib_core device net namspace sharing modeParav Pandit
Add netlink command that enables/disables sharing rdma device among multiple net namespaces. Using rdma tool, $rdma sys set netns shared (default mode) When rdma subsystem netns mode is set to shared mode, rdma devices will be accessible in all net namespaces. Using rdma tool, $rdma sys set netns exclusive When rdma subsystem netns mode is set to exclusive mode, devices will be accessible in only one net namespace at any given point of time. If there are any net namespaces other than default init_net exists, while executing this command, it will fail and mode cannot be changed. To change this mode, netlink command is used instead of sysctl, because netlink command allows to auto load a module. Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28RDMA/core: Add interface to read device namespace sharing modeParav Pandit
Add an interface via netlink command to query whether rdma devices are shared among multiple net namespaces or not. When using RDMAtool, it can be queried as, $rdma system show netns netns shared Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28RDMA/core: Extend ib_device_get_by_index for net namespaceParav Pandit
Extend ib_device_get_by_index() API to check device access for net namespace for serving netlink commands. Also enforce net ns check on dumpit commands which iterate over all registered rdma devices and which don't call ib_device_get_by_index(). Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28RDMA: Check net namespace access for uverbs, umad, cma and nldevParav Pandit
Introduce an API rdma_dev_access_netns() to check whether a rdma device can be accessed from the specified net namespace or not. Use rdma_dev_access_netns() while opening character uverbs, umad network device and also check while rdma cm_id binds to rdma device. Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28RDMA/core: Add module param to disable device sharing among net nsParav Pandit
Add module parameter to change a sharing mode of ib_core early in the boot process. This parameter helps to those systems where modern up to date rdma tool (iproute2) package may not be available during kernel upgrade cycle. Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28RDMA/core: Support core port attributes in non init_netParav Pandit
Now that sysfs compatibility layer for non init_net exists, add core port attributes such as pkey and gid table to non init_net ns. Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28RDMA/core: Implement compat device/sysfs tree in net namespaceParav Pandit
Implement compatibility layer sysfs entries of ib_core so that non init_net net namespaces can also discover rdma devices. Each non init_net net namespace has ib_core_device created in it. Such ib_core_device sysfs tree resembles rdma devices found in init_net namespace. This allows discovering rdma devices in multiple non init_net net namespaces via sysfs entries and helpful to rdma-core userspace. Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28RDMA/core: Restrict sysfs entries view to init_netParav Pandit
This is a preparation patch to provide isolation of rdma device in a network namespace. As first step, make rdma device visible only in init net namespace. Subsequent patch will enable rdma device visibility back in multiple net namespaces using compat ib_core_device device/sysfs tree. Given that the IB subsystem depends on net stack, it needs to be initialized after netdev and since it support devices, it needs to be initialized before the device subsystem; therefore, change initcall sequence to fs_initcall, so that when ib_core is compiled in the kernel image, the right init sequence is followed. Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28RDMA/core: Introduce ib_core_device to hold deviceParav Pandit
In order to support sysfs entries in multiple net namespaces for a rdma device, introduce a ib_core_device whose scope is limited to hold core device and per port sysfs related entries. This is preparation patch so that multiple ib_core_devices in each net namespace can be created in subsequent patch who all can share ib_device. (a) Move sysfs specific fields to ib_core_device. (b) Make sysfs and device life cycle related routines to work on ib_core_device. (c) Introduce and use rdma_init_coredev() helper to initialize coredev fields. Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28RDMA/rdmavt: Use correct sizing on buffers holding page DMA addressesShiraz Saleem
The buffer that holds the page DMA addresses is sized off umem->nmap. This can potentially cause out of bound accesses on the PBL array when iterating the umem DMA-mapped SGL. This is because if umem pages are combined, umem->nmap can be much lower than the number of system pages in umem. Use ib_umem_num_pages() to size this buffer. Cc: Dennis Dalessandro <dennis.dalessandro@intel.com> Cc: Mike Marciniszyn <mike.marciniszyn@intel.com> Cc: Michael J. Ruhl <michael.j.ruhl@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28RDMA/rxe: Use correct sizing on buffers holding page DMA addressesShiraz Saleem
The buffer that holds the page DMA addresses is sized off umem->nmap. This can potentially cause out of bound accesses on the PBL array when iterating the umem DMA-mapped SGL. This is because if umem pages are combined, umem->nmap can be much lower than the number of system pages in umem. Use ib_umem_num_pages() to size this buffer. Cc: Moni Shoua <monis@mellanox.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28RDMA/mthca: Use correct sizing on buffers holding page DMA addressesShiraz Saleem
The buffer that holds the page DMA addresses is sized off umem->nmap. This can potentially cause out of bound accesses on the PBL array when iterating the umem DMA-mapped SGL. This is because if umem pages are combined, umem->nmap can be much lower than the number of system pages in umem. Use ib_umem_num_pages() to size this buffer. Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28RDMA/cxbg: Use correct sizing on buffers holding page DMA addressesShiraz Saleem
The PBL array that hold the page DMA address is sized off umem->nmap. This can potentially cause out of bound accesses on the PBL array when iterating the umem DMA-mapped SGL. This is because if umem pages are combined, umem->nmap can be much lower than the number of system pages in umem. Use ib_umem_num_pages() to size this array. Cc: Potnuri Bharat Teja <bharat@chelsio.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28RDMA/bnxt_re: Use correct sizing on buffers holding page DMA addressesSelvin Xavier
umem->nmap is used while allocating internal buffer for storing page DMA addresses. This causes out of bounds array access while iterating the umem DMA-mapped SGL with umem page combining as umem->nmap can be less than number of system pages in umem. Use ib_umem_num_pages() instead of umem->nmap to size the page array. Add a new structure (bnxt_qplib_sg_info) to pass sglist, npages and nmap. Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28IB/qib: Remove a set-but-not-used variableBart Van Assche
This patch avoids that a compiler warning is reported when building with W=1. Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Fixes: 49c0e2414b20 ("IB/qib: Change SDMA progression mode depending on single- or multi-rail") Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28IB/hfi1: Fix two format stringsBart Van Assche
Enable format string checking for hfi1_cdbg() and fix the resulting compiler warnings. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28IB/mlx5: Declare devx_async_cmd_event_fops staticBart Van Assche
Avoid that sparse complains about a missing declaration. Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Fixes: 6bf8f22aea0d ("IB/mlx5: Introduce MLX5_IB_OBJECT_DEVX_ASYNC_CMD_FD") Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28RDMA/uverbs: Allow the compiler to verify declaration and definition consistencyBart Van Assche
This patch avoids that sparse reports the following warnings: drivers/infiniband/core/uverbs_std_types_flow_action.c:442:30: warning: symbol 'uverbs_def_obj_flow_action' was not declared. Should it be static? drivers/infiniband/core/uverbs_std_types_dm.c:112:30: warning: symbol 'uverbs_def_obj_dm' was not declared. Should it be static? drivers/infiniband/core/uverbs_std_types_counters.c:153:30: warning: symbol 'uverbs_def_obj_counters' was not declared. Should it be static? drivers/infiniband/core/uverbs_std_types_mr.c:213:30: warning: symbol 'uverbs_def_obj_mr' was not declared. Should it be static? Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Fixes: 0bd01f3d0907 ("RDMA/uverbs: Require all objects to have a driver destroy function") Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28RDMA/uverbs: Annotate uverbs_request_next_ptr() return value as a __user pointerBart Van Assche
This patch avoids that sparse complains about a mismatch between the returned value and the function return type. Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Fixes: c3bea3d2dc53 ("RDMA/uverbs: Use the iterator for ib_uverbs_unmarshall_recv()") Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-28RDMA/uverbs: Add a __user annotation to a pointerBart Van Assche
This patch avoids that sparse and smatch report the following: warning: cast removes address space of expression Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Fixes: 3a6532c9af1a ("RDMA/uverbs: Use uverbs_attr_bundle to pass udata for write") Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-27IB/rxe: Replace av->network_type with skb->protocolZhu Yanjun
In the function rxe_init_packet, based on av->network_type, skb->protocol is set to ipv4 or ipv6. The functions rxe_prepare and rxe_send are called after the functin rxe_init_packet. So in these functions, av->network_type can be replaced with skb->protocol. The functions are in the xmit fast path. So with skb->protocol, the performance will be better. Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-27BPF: Add sample code for new ib_umad tracepointIra Weiny
Provide a count of class types for a summary of MAD packets. The example shows one way to filter the trace data based on management class. Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-27IB/MAD: Add SMP details to MAD tracingIra Weiny
Decode more information from the packet and include it in the trace. Reviewed-by: "Ruhl, Michael J" <michael.j.ruhl@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-27IB/UMAD: Add umad trace pointsIra Weiny
Trace MADs going to/from user space. Suggested-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-27IB/MAD: Add agent trace pointsIra Weiny
Trace agent details when agents are [un]registered. In addition, report agent details on send/recv. Reviewed-by: "Ruhl, Michael J" <michael.j.ruhl@intel.com> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-03-27IB/MAD: Add recv path trace pointIra Weiny
Trace received MAD details. Reviewed-by: "Ruhl, Michael J" <michael.j.ruhl@intel.com> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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