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path: root/drivers/infiniband/hw/mana/mana_ib.h
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10 daysRDMA/mana_ib: add support of multiple portsKonstantin Taranov
If the HW indicates support of multiple ports for rdma, create an IB device with a port per netdev in the ethernet mana driver. CM is only available on port 1, but RC QPs are supported on all ports. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1753174515-23634-1-git-send-email-kotaranov@linux.microsoft.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
10 daysIB: Extend UVERBS_METHOD_REG_MR to get DMAHYishai Hadas
Extend UVERBS_METHOD_REG_MR to get DMAH and pass it to all drivers. It will be used in mlx5 driver as part of the next patch from the series. Signed-off-by: Yishai Hadas <yishaih@nvidia.com> Reviewed-by: Edward Srouji <edwards@nvidia.com> Link: https://patch.msgid.link/2ae1e628c0675db81f092cc00d3ad6fbf6139405.1752752567.git.leon@kernel.org Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-07-13RDMA/mana_ib: add additional port countersZhiyue Qiu
Add packet and request port counters to mana_ib. Signed-off-by: Zhiyue Qiu <zhiyueqiu@microsoft.com> Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1752143395-5324-1-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-06-12RDMA/mana_ib: Add device statistics supportShiraz Saleem
Add support for mana device level statistics. Co-developed-by: Solom Tamawy <solom.tamawy@microsoft.com> Signed-off-by: Solom Tamawy <solom.tamawy@microsoft.com> Signed-off-by: Shiraz Saleem <shirazsaleem@microsoft.com> Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1749559717-3424-1-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-05-12RDMA/mana_ib: Add support of mana_ib for RNIC and ETH nicKonstantin Taranov
Allow mana_ib to be created over ethernet gdma device and over rnic gdma device. The HW has two devices with different capabilities and different use-cases. Initialize required resources depending on the used gdma device. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1746633545-17653-3-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-04-20RDMA/mana_ib: Add support of 4M, 1G, and 2G pagesKonstantin Taranov
Check PF capability flag whether the 4M, 1G, and 2G pages are supported. Add these pages sizes to mana_ib, if supported. Define possible page sizes in enum gdma_page_type and remove unused enum atb_page_size. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1744621234-26114-4-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-03-13RDMA/mana_ib: Handle net event for pointing to the current netdevLong Li
When running under Hyper-V, the master device to the RDMA device is always bonded to this RDMA device. This is not user-configurable. The master device can be unbind/bind from the kernel. During those events, the RDMA device should set to the current netdev to reflect the change of master device from those events. Signed-off-by: Long Li <longli@microsoft.com> Link: https://patch.msgid.link/1741821332-9392-2-git-send-email-longli@linuxonhyperv.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-03-13net: mana: Change the function signature of mana_get_primary_netdev_rcuLong Li
Change mana_get_primary_netdev_rcu() to mana_get_primary_netdev(), and return the ndev with refcount held. The caller is responsible for dropping the refcount. Also drop the check for IFF_SLAVE as it is not necessary if the upper device is present. Signed-off-by: Long Li <longli@microsoft.com> Link: https://patch.msgid.link/1741821332-9392-1-git-send-email-longli@linuxonhyperv.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-02-18RDMA/mana_ib: Implement DMABUF MR supportKonstantin Taranov
Add support of dmabuf MRs to mana_ib. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1739454861-4456-1-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-02-06RDMA/mana_ib: Add port statistics supportShiraz Saleem
Implement alloc_hw_port_stats and get_hw_stats APIs to support querying MANA VF port level statistics from rdma stat tool. Example output from rdma stat tool: $rdma statistic show link mana_0/1 -p link mana_0/1 requester_timeout 45 requester_oos_nak 0 requester_rnr_nak 0 responder_rnr_nak 0 responder_oos 0 responder_dup_request 0 requester_implicit_nak 0 requester_readresp_psn_mismatch 0 nak_inv_req 0 nak_access_error 0 nak_opp_error 0 nak_inv_read 0 responder_local_len_error 0 requestor_local_prot_error 0 responder_rem_access_error 0 responder_local_qp_error 0 responder_malformed_wqe 0 general_hw_error 6 requester_rnr_nak_retries_exceeded 0 requester_retries_exceeded 5 total_fatal_error 6 received_cnps 0 num_qps_congested 0 rate_inc_events 0 num_qps_recovered 0 current_rate 100000 Signed-off-by: Shiraz Saleem <shirazsaleem@microsoft.com> Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1738751527-15517-1-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-02-06RDMA/mana_ib: request error CQEs when supportedKonstantin Taranov
Request an adapter with error CQEs when it is supported. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1738751713-16169-3-git-send-email-kotaranov@linux.microsoft.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-02-06RDMA/mana_ib: Query feature_flags bitmask from FWShiraz Saleem
Extend the mana_ib_gd_query_adapter_caps function to retrieve and store the feature_flags from the firmware response. Signed-off-by: Shiraz Saleem <shirazsaleem@microsoft.com> Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1738751713-16169-2-git-send-email-kotaranov@linux.microsoft.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-02-04RDMA/mana_ib: polling of CQs for GSI/UDKonstantin Taranov
Add polling for the kernel CQs. Process completion events for UD/GSI QPs. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1737394039-28772-13-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Shiraz Saleem <shirazsaleem@microsoft.com> Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-02-04RDMA/mana_ib: extend mana QP tableKonstantin Taranov
Enable mana QP table to store UD/GSI QPs. For send queues, set the most significant bit to one, as send and receive WQs can have the same ID in mana. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1737394039-28772-12-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Shiraz Saleem <shirazsaleem@microsoft.com> Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-02-04RDMA/mana_ib: implement req_notify_cqKonstantin Taranov
Arm a CQ when req_notify_cq is called. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1737394039-28772-11-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Shiraz Saleem <shirazsaleem@microsoft.com> Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-02-04RDMA/mana_ib: UD/GSI work requestsKonstantin Taranov
Implement post send and post recv for UD/GSI QPs. Add information about posted requests into shadow queues. Co-developed-by: Shiraz Saleem <shirazsaleem@microsoft.com> Signed-off-by: Shiraz Saleem <shirazsaleem@microsoft.com> Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1737394039-28772-10-git-send-email-kotaranov@linux.microsoft.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-02-04RDMA/mana_ib: create/destroy AHKonstantin Taranov
Implement create and destroy AH for kernel. In mana_ib, AV is passed as an sge in WQE. Allocate DMA memory and write an AV there. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1737394039-28772-8-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Shiraz Saleem <shirazsaleem@microsoft.com> Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-02-04RDMA/mana_ib: Create and destroy UD/GSI QPKonstantin Taranov
Implement HW requests to create and destroy UD/GSI QPs. An UD/GSI QP has send and receive queues. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1737394039-28772-6-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Shiraz Saleem <shirazsaleem@microsoft.com> Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-02-04RDMA/mana_ib: helpers to allocate kernel queuesKonstantin Taranov
Introduce helpers to allocate queues for kernel-level use. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1737394039-28772-4-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Shiraz Saleem <shirazsaleem@microsoft.com> Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-06-27RDMA: Pass entire uverbs attr bundle to create cq functionAkiva Goldberger
Changes the create_cq verb signature by sending the entire uverbs attr bundle as a parameter. This allows drivers to send driver specific attrs through ioctl for the create_cq verb and access them in their driver specific code. Also adds a new enum value for driver specific ioctl attributes for methods already supporting UHW. Link: https://lore.kernel.org/r/ed147343987c0d43fd391c1b2f85e2f425747387.1719512393.git.leon@kernel.org Signed-off-by: Akiva Goldberger <agoldberger@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2024-06-09RDMA/mana_ib: Process QP error events in mana_ibKonstantin Taranov
Process QP fatal events from the error event queue. For that, find the QP, using QPN from the event, and then call its event_handler. To find the QPs, store created RC QPs in an xarray. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1717754897-19858-1-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Wei Hu <weh@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-06-02RDMA/mana_ib: extend query deviceKonstantin Taranov
Fill in properties of the ib device. Order the assignment in the order of fields in the struct ib_device_attr. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1717070117-1234-3-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-05-30RDMA/mana_ib: Modify QP stateKonstantin Taranov
Implement modify QP state for RC QPs. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1716366242-558-4-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Long Li <longli@microsoft.com> Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-05-30RDMA/mana_ib: Implement uapi to create and destroy RC QPKonstantin Taranov
Implement user requests to create and destroy an RC QP. As the user does not have an FMR queue, it is skipped and NO_FMR flag is used. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1716366242-558-3-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-05-30RDMA/mana_ib: Create and destroy RC QPKonstantin Taranov
Implement HW requests to create and destroy an RC QP. An RC QP may have 5 queues. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1716366242-558-2-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Long Li <longli@microsoft.com> Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-05-05RDMA/mana_ib: introduce a helper to remove cq callbacksKonstantin Taranov
Intoduce the mana_ib_remove_cq_cb helper to remove cq callbacks. The helper removes code duplicates. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1714137160-5222-4-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-05-05RDMA/mana_ib: create and destroy RNIC cqsKonstantin Taranov
Implement RNIC requests for creation and destruction of RNIC CQs. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1714137160-5222-3-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-05-05RDMA/mana_ib: create EQs for RNIC CQsKonstantin Taranov
Create EQs within mana_ib device. Such EQs are required for creation of RNIC CQs. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1714137160-5222-2-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-04-16RDMA/mana_ib: Configure mac address in RNICKonstantin Taranov
Set local mac address in RNIC, which is required by the HW. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1712738551-22075-7-git-send-email-kotaranov@linux.microsoft.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-04-16RDMA/mana_ib: Adding and deleting GIDsKonstantin Taranov
Implement add_gid and del_gid for RNIC. IPv4 and IPv6 addresses are supported. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1712738551-22075-6-git-send-email-kotaranov@linux.microsoft.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-04-16RDMA/mana_ib: Implement port parametersKonstantin Taranov
Implement port parameters for RNIC: 1) extend query_port() method 2) implement get_link_layer() 3) implement query_pkey() Only port 1 can store GIDs. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1712738551-22075-4-git-send-email-kotaranov@linux.microsoft.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-04-16RDMA/mana_ib: Create and destroy rnic adapterKonstantin Taranov
Add functions for RNIC creation and destruction. If creation fails, the ib_probe fails as well. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1712738551-22075-3-git-send-email-kotaranov@linux.microsoft.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-04-16RDMA/mana_ib: Add EQ creation for rnic adapterKonstantin Taranov
Create an error EQ for the RNIC adapter. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1712738551-22075-2-git-send-email-kotaranov@linux.microsoft.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-04-02RDMA/mana_ib: Use struct mana_ib_queue for RAW QPsKonstantin Taranov
Use struct mana_ib_queue and its helpers for RAW QPs Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1711483688-24358-5-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-04-02RDMA/mana_ib: Use struct mana_ib_queue for WQsKonstantin Taranov
Use struct mana_ib_queue and its helpers for WQs Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1711483688-24358-4-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-04-02RDMA/mana_ib: Use struct mana_ib_queue for CQsKonstantin Taranov
Use struct mana_ib_queue and its helpers for CQs Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1711483688-24358-3-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-04-02RDMA/mana_ib: Introduce helpers to create and destroy mana queuesKonstantin Taranov
Intoduce helpers to work with mana ib queues (struct mana_ib_queue). A queue always consists of umem, gdma_region, and id. A queue can become a WQ or a CQ. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1711483688-24358-2-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-03-07RDMA/mana_ib: Use virtual address in dma regions for MRsKonstantin Taranov
Introduce mana_ib_create_dma_region() to create dma regions with iova for MRs. It allows creating MRs with any page offset. Previously, only page-aligned addresses worked. For dma regions that must have a zero dma offset (e.g., for queues), mana_ib_create_zero_offset_dma_region() is added. To get the zero offset, ib_umem_find_best_pgoff() is used with zero pgoff_bitmask. Fixes: 0266a177631d ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter") Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1709560361-26393-3-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-01-25RDMA/mana_ib: Introduce mana_ib_install_cq_cb helper functionKonstantin Taranov
Use a helper function to install callbacks to CQs. This patch removes code repetition. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1705965781-3235-4-git-send-email-kotaranov@linux.microsoft.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-01-25RDMA/mana_ib: Introduce mana_ib_get_netdev helper functionKonstantin Taranov
Use a helper function to access netdevs using a port number. This patch removes code repetitions as well as removes the need to explicitly use gdma_dev, which was error-prone. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1705965781-3235-3-git-send-email-kotaranov@linux.microsoft.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-01-25RDMA/mana_ib: Introduce mdev_to_gc helper functionKonstantin Taranov
Use a helper function to access gdma_context from mana_ib_dev. This patch removes code repetitions as well as removes the need to explicitly use gdma_dev, which was error-prone. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1705965781-3235-2-git-send-email-kotaranov@linux.microsoft.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2023-12-20RDMA/mana_ib: Add CQ interrupt support for RAW QPLong Li
At probing time, the MANA core code allocates EQs for supporting interrupts on Ethernet queues. The same interrupt mechanisum is used by RAW QP. Use the same EQs for delivering interrupts on the CQ for the RAW QP. Signed-off-by: Long Li <longli@microsoft.com> Link: https://lore.kernel.org/r/1702692255-23640-4-git-send-email-longli@linuxonhyperv.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2023-12-20RDMA/mana_ib: query device capabilitiesLong Li
With RDMA device registered, use it to query on hardware capabilities and cache this information for future query requests to the driver. Signed-off-by: Long Li <longli@microsoft.com> Link: https://lore.kernel.org/r/1702692255-23640-3-git-send-email-longli@linuxonhyperv.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-11-11RDMA/mana_ib: Add a driver for Microsoft Azure Network AdapterLong Li
Add a RDMA VF driver for Microsoft Azure Network Adapter (MANA). Co-developed-by: Ajay Sharma <sharmaajay@microsoft.com> Signed-off-by: Ajay Sharma <sharmaajay@microsoft.com> Reviewed-by: Dexuan Cui <decui@microsoft.com> Signed-off-by: Long Li <longli@microsoft.com> Link: https://lore.kernel.org/r/1667502990-2559-13-git-send-email-longli@linuxonhyperv.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-02 13:53:27 +0000