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path: root/drivers/infiniband/hw/mana/main.c
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2025-05-12RDMA/mana_ib: unify mana_ib functions to support any gdma deviceKonstantin Taranov1-14/+13
Use the installed gdma_device instead of hard-coded device in requests to the HW. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1746633545-17653-4-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 Taranov1-6/+49
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 Taranov1-3/+7
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>
2025-03-29Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdmaLinus Torvalds1-5/+98
Pull rdma updates from Jason Gunthorpe: - Usual minor updates and fixes for bnxt_re, hfi1, rxe, mana, iser, mlx5, vmw_pvrdma, hns - Make rxe work on tun devices - mana gains more standard verbs as it moves toward supporting in-kernel verbs - DMABUF support for mana - Fix page size calculations when memory registration exceeds 4G - On Demand Paging support for rxe - mlx5 support for RDMA TRANSPORT flow tables and a new ucap mechanism to access control use of them - Optional RDMA_TX/RX counters per QP in mlx5 * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (73 commits) IB/mad: Check available slots before posting receive WRs RDMA/mana_ib: Fix integer overflow during queue creation RDMA/mlx5: Fix calculation of total invalidated pages RDMA/mlx5: Fix mlx5_poll_one() cur_qp update flow RDMA/mlx5: Fix page_size variable overflow RDMA/mlx5: Drop access_flags from _mlx5_mr_cache_alloc() RDMA/mlx5: Fix cache entry update on dereg error RDMA/mlx5: Fix MR cache initialization error flow RDMA/mlx5: Support optional-counters binding for QPs RDMA/mlx5: Compile fs.c regardless of INFINIBAND_USER_ACCESS config RDMA/core: Pass port to counter bind/unbind operations RDMA/core: Add support to optional-counters binding configuration RDMA/core: Create and destroy rdma_counter using rdma_zalloc_drv_obj() RDMA/mlx5: Add optional counters for RDMA_TX/RX_packets/bytes RDMA/core: Fix use-after-free when rename device name RDMA/bnxt_re: Support perf management counters RDMA/rxe: Fix incorrect return value of rxe_odp_atomic_op() RDMA/uverbs: Propagate errors from rdma_lookup_get_uobject() RDMA/mana_ib: Handle net event for pointing to the current netdev net: mana: Change the function signature of mana_get_primary_netdev_rcu ...
2025-02-23RDMA/mana_ib: Ensure variable err is initializedKees Bakker1-1/+1
In the function mana_ib_gd_create_dma_region if there are no dma blocks to process the variable `err` remains uninitialized. Fixes: 0266a177631d ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter") Signed-off-by: Kees Bakker <kees@ijzerbout.nl> Link: https://patch.msgid.link/20250221195833.7516C16290A@bout3.ijzerbout.nl Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2025-02-06RDMA/mana_ib: Allocate PAGE aligned doorbell indexKonstantin Taranov1-1/+1
Allocate a PAGE aligned doorbell index to ensure each process gets a separate PAGE sized doorbell area space remapped to it in mana_ib_mmap Fixes: 0266a177631d ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter") Signed-off-by: Shiraz Saleem <shirazsaleem@microsoft.com> Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1738751405-15041-1-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 Taranov1-0/+3
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 Saleem1-1/+2
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: indicate CM supportKonstantin Taranov1-2/+7
Set max_mad_size and IB_PORT_CM_SUP capability to enable connection manager. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1737394039-28772-14-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 Taranov1-1/+1
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: Create and destroy UD/GSI QPKonstantin Taranov1-0/+58
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 Taranov1-0/+23
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>
2025-02-03RDMA/mana_ib: Allow registration of DMA-mapped memory in PDsKonstantin Taranov1-0/+3
Allow the HW to register DMA-mapped memory for kernel-level PDs. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://patch.msgid.link/1737394039-28772-2-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>
2024-09-02RDMA/mana_ib: use the correct page size for mapping user-mode doorbell pageLong Li1-3/+3
When mapping doorbell page from user-mode, the driver should use the system page size as this memory is allocated via mmap() from user-mode. Cc: stable@vger.kernel.org Fixes: 0266a177631d ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter") Signed-off-by: Long Li <longli@microsoft.com> Link: https://patch.msgid.link/1725030993-16213-2-git-send-email-longli@linuxonhyperv.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-09-02RDMA/mana_ib: use the correct page table index based on hardware page sizeLong Li1-1/+1
MANA hardware uses 4k page size. When calculating the page table index, it should use the hardware page size, not the system page size. Cc: stable@vger.kernel.org Fixes: 0266a177631d ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter") Signed-off-by: Long Li <longli@microsoft.com> Link: https://patch.msgid.link/1725030993-16213-1-git-send-email-longli@linuxonhyperv.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-06-09RDMA/mana_ib: Process QP error events in mana_ibKonstantin Taranov1-2/+29
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 Taranov1-3/+16
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: Create and destroy RC QPKonstantin Taranov1-0/+59
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: create and destroy RNIC cqsKonstantin Taranov1-0/+54
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 Taranov1-2/+32
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 Taranov1-0/+22
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 Taranov1-0/+60
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: Enable RoCE on port 1Konstantin Taranov1-4/+11
Set netdev and RoCEv2 flag to enable GID population on port 1. Use GIDs of the master netdev. As mc->ports[] stores slave devices, use a helper to get the master netdev. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1712738551-22075-5-git-send-email-kotaranov@linux.microsoft.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-04-16RDMA/mana_ib: Implement port parametersKonstantin Taranov1-1/+36
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 Taranov1-0/+43
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 Taranov1-0/+26
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>
2024-04-11RDMA/mana_ib: remove useless return values from dbg printsKonstantin Taranov1-3/+1
Remove printing ret value on success as it was always 0. Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com> Link: https://lore.kernel.org/r/1712672465-29960-1-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 Taranov1-0/+43
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 Taranov1-9/+31
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>
2024-03-07RDMA/mana_ib: Fix bug in creation of dma regionsKonstantin Taranov1-1/+1
Use ib_umem_dma_offset() helper to calculate correct dma offset. 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/1709560361-26393-2-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 Taranov1-8/+2
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 Taranov1-18/+12
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: query device capabilitiesLong Li1-13/+52
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>
2023-12-20RDMA/mana_ib: register RDMA device with GDMALong Li1-2/+2
Software client needs to register with the RDMA management interface on the SoC to access more features, including querying device capabilities and RC queue pair. Signed-off-by: Long Li <longli@microsoft.com> Link: https://lore.kernel.org/r/1702692255-23640-2-git-send-email-longli@linuxonhyperv.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
2023-02-16RDMA/mana_ib: Fix a bug when the PF indicates more entries for registering ↵Long Li1-10/+12
memory on first packet When registering memory in a large chunk that doesn't fit into a single PF message, the PF may return GDMA_STATUS_MORE_ENTRIES on the first message if there are more messages needed for registering more chunks. Fix the VF to make it process the correct return code. Fixes: 0266a177631d ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter") Link: https://lore.kernel.org/r/1676507522-21018-1-git-send-email-longli@linuxonhyperv.com Signed-off-by: Long Li <longli@microsoft.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-11-11RDMA/mana_ib: Add a driver for Microsoft Azure Network AdapterLong Li1-0/+521
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 2.39.0) at 2025-09-21 22:17:23 +0300