[SRU][P/N:linux-azure][PULL] MANA Catchup

John Cabaj john.cabaj at canonical.com
Fri Sep 26 14:07:58 UTC 2025


BugLink: https://bugs.launchpad.net/bugs/2125704

SRU Justification

[Impact]

* Due to continuing challenges in backporting patch requests for the 
MANA driver from Microsoft, we've determined that bringing all kernel 
releases 6.8 and newer more up-to-date is the best option going forward. 
Fortunately, many of these backports have already been done for the 6.8 
noble:linux-azure-nvidia kernel, so all patches to noble:linux-azure 
should apply cleanly (as noble:linux-azure-nvidia is rebased atop 
noble:linux-azure). More recent kernels have some catches already 
incorporated, so backporting is relatively straightforward.

[Fix]

* Plucky:
backports and cherry-picks from upstream
     78683c25c80e RDMA/mana_ib: Allow registration of DMA-mapped memory 
in PDs
     6e1b8bdcd04f RDMA/mana_ib: implement get_dma_mr
     1440bdbd9c4e RDMA/mana_ib: helpers to allocate kernel queues
     bec127e45d9f RDMA/mana_ib: create kernel-level CQs
     7f5192a82b37 RDMA/mana_ib: Create and destroy UD/GSI QP
     bd4ee700870a RDMA/mana_ib: UD/GSI QP creation for kernel
     df91c470d9e5 RDMA/mana_ib: create/destroy AH
     c8017f5b4856 RDMA/mana_ib: UD/GSI work requests
     40ebdacb4e43 RDMA/mana_ib: implement req_notify_cq
     8001e9257eca RDMA/mana_ib: extend mana QP table
     cfef4525924e RDMA/mana_ib: polling of CQs for GSI/UD
     6c53bf9cff03 RDMA/mana_ib: indicate CM support
     cd3c5ddf8230 RDMA/mana_ib: request error CQEs when supported
     ffd67b6b420d RDMA/mana_ib: Implement DMABUF MR support
     607a7dcf2e98 RDMA/mana_ib: Fix error code in probe()
     ced82fce77e9 net: mana: Probe rdma device in mana driver
     f1652d76f4c5 RDMA/mana_ib: Add support of 4M, 1G, and 2G pages
     c390828d4d7b RDMA/mana_ib: Add support of mana_ib for RNIC and ETH nic
     d4293f96ce0b RDMA/mana_ib: unify mana_ib functions to support any 
gdma device
     505cc26bcae0 net: mana: Add support for auxiliary device servicing 
events
     fbe346ce9d62 net: mana: Handle Reset Request from MANA NIC

* Noble:
cherry-picks from noble:linux-azure-nvidia
     6f52f86893fb RDMA/mana_ib: Use struct mana_ib_queue for WQs
     7f7593157db0 RDMA/mana_ib: Use struct mana_ib_queue for RAW QPs
     6fbd64194919 RDMA/mana_ib: remove useless return values from dbg prints
     11a043aaa2e2 RDMA/mana_ib: Use num_comp_vectors of ib_device
     b04b4b6c634c RDMA/mana_ib: Add EQ creation for rnic adapter
     cfe195bd73d6 RDMA/mana_ib: Create and destroy rnic adapter
     d27c47916250 RDMA/mana_ib: Implement port parameters
     f610508f08b7 RDMA/mana_ib: Adding and deleting GIDs
     7547363b5913 RDMA/mana_ib: Configure mac address in RNIC
     13741d868a35 RDMA/mana_ib: create EQs for RNIC CQs
     7a64d21f0ea7 RDMA/mana_ib: create and destroy RNIC cqs
     74c15524ba1c RDMA/mana_ib: introduce a helper to remove cq callbacks
     2bf9d7ee020a RDMA/mana_ib: implement uapi for creation of rnic cq
     8139a18fc97e RDMA/mana_ib: Create and destroy RC QP
     f06710c1141e RDMA/mana_ib: Implement uapi to create and destroy RC QP
     b438034e6d1a RDMA/mana_ib: Modify QP state
     775541b9adf2 RDMA/mana_ib: set node_guid
     f512aa372d4e RDMA/mana_ib: extend query device
     2c1ea930120a RDMA/mana_ib: Process QP error events in mana_ib
     c3a6f86cffbe RDMA/mana_ib: Allow registration of DMA-mapped memory 
in PDs
     03912e231b7d RDMA/mana_ib: implement get_dma_mr
     866b8ccf9ff4 RDMA/mana_ib: helpers to allocate kernel queues
     4caf34ae9705 RDMA/mana_ib: create kernel-level CQs
     f7948baeb00e RDMA/mana_ib: Create and destroy UD/GSI QP
     145813cacb4c RDMA/mana_ib: UD/GSI QP creation for kernel
     7de9e83defb5 RDMA/mana_ib: create/destroy AH
     893927104eb0 net/mana: fix warning in the writer of client oob
     d1cea850a9f7 RDMA/mana_ib: UD/GSI work requests
     7e992e0d2952 RDMA/mana_ib: implement req_notify_cq
     0f5a451f188c RDMA/mana_ib: extend mana QP table
     827431f50ccb RDMA/mana_ib: polling of CQs for GSI/UD
     0688dbd84cf8 RDMA/mana_ib: indicate CM support
     cc14dab2d719 UBUNTU: SAUCE: mana: Removing string literal 
"NET_MANA" namespace
     4108718ed637 RDMA/mana_ib: Query feature_flags bitmask from FW
     5a4a525c4022 RDMA/mana_ib: request error CQEs when supported
     9163c4561dc9 RDMA/mana_ib: Add port statistics support
     d12cf6ad5bf9 RDMA: Pass uverbs_attr_bundle as part of 
'.reg_user_mr_dmabuf' API
     d673c01d46e0 RDMA/mana_ib: Implement DMABUF MR support
     59e191bc2dd2 RDMA/mana_ib: Fix error code in probe()
     b92d800154db net: mana: Probe rdma device in mana driver
     7a2c85c42657 RDMA/mana_ib: Add support of 4M, 1G, and 2G pages
     790e4e915bb7 RDMA/mana_ib: Add support of mana_ib for RNIC and ETH nic
     31c3702c8eeb RDMA/mana_ib: unify mana_ib functions to support any 
gdma device
     44a28286efde net: mana: Add support for auxiliary device servicing 
events
     368968bf4c7f RDMA/mana_ib: Add device statistics support
     b9294409ccd0 net: mana: Handle Reset Request from MANA NIC

[Test Plan]

* Compile tested
* Microsoft to test further

[Regression potential]

* Changes are largely localized to MANA. Possible regressions could 
result in unexpected behavior of MANA driver.

[Other info]

* SF #00419019



More information about the kernel-team mailing list