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2022-07-27RDMA/mlx5: Replace ent->lock with xa_lockAharon Landau2-50/+47
In the next patch, ent->list will be replaced with an xarray. The xarray uses an internal lock to protect the indexes. Use it to protect all the entry fields, and get rid of ent->lock. Link: https://lore.kernel.org/r/20220726071911.122765-2-michaelgur@nvidia.com Signed-off-by: Aharon Landau <aharonl@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-07-27Revert "RDMA/rxe: Create duplicate mapping tables for FMRs"Li Zhijian5-162/+104
Below 2 commits will be reverted: commit 8ff5f5d9d8cf ("RDMA/rxe: Prevent double freeing rxe_map_set()") commit 647bf13ce944 ("RDMA/rxe: Create duplicate mapping tables for FMRs") The community has a few bug reports which pointed this commit at last. Some proposals are raised up in the meantime but all of them have no follow-up operation. The previous commit led the map_set of FMR to be not available any more if the MR is registered again after invalidating. Although the mentioned patch try to fix a potential race in building/accessing the same table for fast memory regions, it broke rtrs etc ULPs. Since the latter could be worse, revert this patch. With previous commit, it's observed that a same MR in rnbd server will trigger below code path: -> rxe_mr_init_fast() |-> alloc map_set() # map_set is uninitialized |...-> rxe_map_mr_sg() # build the map_set |-> rxe_mr_set_page() |...-> rxe_reg_fast_mr() # mr->state change to VALID from FREE that means # we can access host memory(such rxe_mr_copy) |...-> rxe_invalidate_mr() # mr->state change to FREE from VALID |...-> rxe_reg_fast_mr() # mr->state change to VALID from FREE, # but map_set was not built again |...-> rxe_mr_copy() # kernel crash due to access wild addresses # that lookup from the map_set The backtraces are not always identical. [1st]---------- RIP: 0010:lookup_iova+0x66/0xa0 [rdma_rxe] Code: 00 00 00 48 d3 ee 89 32 c3 4c 8b 18 49 8b 3b 48 8b 47 08 48 39 c6 72 38 48 29 c6 45 31 d2 b8 01 00 00 00 48 63 c8 48 c1 e1 04 <48> 8b 4c 0f 08 48 39 f1 77 21 83 c0 01 48 29 ce 3d 00 01 00 00 75 RSP: 0018:ffffb7ff80063bf0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff9b9949d86800 RCX: 0000000000000000 RDX: ffffb7ff80063c00 RSI: 0000000049f6b378 RDI: 002818da00000004 RBP: 0000000000000120 R08: ffffb7ff80063c08 R09: ffffb7ff80063c04 R10: 0000000000000002 R11: ffff9b9916f7eef8 R12: ffff9b99488a0038 R13: ffff9b99488a0038 R14: ffff9b9914fb346a R15: ffff9b990ab27000 FS: 0000000000000000(0000) GS:ffff9b997dc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efc33a98ed0 CR3: 0000000014f32004 CR4: 00000000001706f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> rxe_mr_copy.part.0+0x6f/0x140 [rdma_rxe] rxe_responder+0x12ee/0x1b60 [rdma_rxe] ? rxe_icrc_check+0x7e/0x100 [rdma_rxe] ? rxe_rcv+0x1d0/0x780 [rdma_rxe] ? rxe_icrc_hdr.isra.0+0xf6/0x160 [rdma_rxe] rxe_do_task+0x67/0xb0 [rdma_rxe] rxe_xmit_packet+0xc7/0x210 [rdma_rxe] rxe_requester+0x680/0xee0 [rdma_rxe] ? update_load_avg+0x5f/0x690 ? update_load_avg+0x5f/0x690 ? rtrs_clt_recv_done+0x1b/0x30 [rtrs_client] [2nd]---------- RIP: 0010:rxe_mr_copy.part.0+0xa8/0x140 [rdma_rxe] Code: 00 00 49 c1 e7 04 48 8b 00 4c 8d 2c d0 48 8b 44 24 10 4d 03 7d 00 85 ed 7f 10 eb 6c 89 54 24 0c 49 83 c7 10 31 c0 85 ed 7e 5e <49> 8b 3f 8b 14 24 4c 89 f6 48 01 c7 85 d2 74 06 48 89 fe 4c 89 f7 RSP: 0018:ffffae3580063bf8 EFLAGS: 00010202 RAX: 0000000000018978 RBX: ffff9d7ef7a03600 RCX: 0000000000000008 RDX: 000000000000007c RSI: 000000000000007c RDI: ffff9d7ef7a03600 RBP: 0000000000000120 R08: ffffae3580063c08 R09: ffffae3580063c04 R10: ffff9d7efece0038 R11: ffff9d7ec4b1db00 R12: ffff9d7efece0038 R13: ffff9d7ef4098260 R14: ffff9d7f11e23c6a R15: 4c79500065708144 FS: 0000000000000000(0000) GS:ffff9d7f3dc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fce47276c60 CR3: 0000000003f66004 CR4: 00000000001706f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> rxe_responder+0x12ee/0x1b60 [rdma_rxe] ? rxe_icrc_check+0x7e/0x100 [rdma_rxe] ? rxe_rcv+0x1d0/0x780 [rdma_rxe] ? rxe_icrc_hdr.isra.0+0xf6/0x160 [rdma_rxe] rxe_do_task+0x67/0xb0 [rdma_rxe] rxe_xmit_packet+0xc7/0x210 [rdma_rxe] rxe_requester+0x680/0xee0 [rdma_rxe] ? update_load_avg+0x5f/0x690 ? update_load_avg+0x5f/0x690 ? rtrs_clt_recv_done+0x1b/0x30 [rtrs_client] rxe_do_task+0x67/0xb0 [rdma_rxe] tasklet_action_common.constprop.0+0x92/0xc0 __do_softirq+0xe1/0x2d8 run_ksoftirqd+0x21/0x30 smpboot_thread_fn+0x183/0x220 ? sort_range+0x20/0x20 kthread+0xe2/0x110 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x22/0x30 Link: https://lore.kernel.org/r/1658805386-2-1-git-send-email-lizhijian@fujitsu.com Link: https://lore.kernel.org/all/20220210073655.42281-1-guoqing.jiang@linux.dev/T/ Link: https://www.spinics.net/lists/linux-rdma/msg110836.html Link: https://lore.kernel.org/lkml/94a5ea93-b8bb-3a01-9497-e2021f29598a@linux.dev/t/ Tested-by: Md Haris Iqbal <haris.iqbal@ionos.com> Reviewed-by: Bob Pearson <rpearsonhpe@gmail.com> Signed-off-by: Li Zhijian <lizhijian@fujitsu.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-22RDMA/rxe: Replace __rxe_do_task by rxe_run_taskBob Pearson1-2/+2
In rxe_req.c replace calls to __rxe_do_task() by calls to rxe_run_task(.., 0). Using __rxe_do_task is an error because the completer tasklet is not designed to be re-entrant and __rxe_do_task() should only be called when it is clear that no one else could be calling the completer tasklet as is the case in rxe_qp.c where this call is used in safe environments. Link: https://lore.kernel.org/r/20220630190425.2251-10-rpearsonhpe@gmail.com Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com> Reviewed-by: Li Zhijian <lizhijian@fujitsu.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-07-22RDMA/rxe: Limit the number of calls to each taskletBob Pearson2-4/+18
Limit the maximum number of calls to each tasklet from rxe_do_task() before yielding the cpu. When the limit is reached reschedule the tasklet and exit the calling loop. This patch prevents one tasklet from consuming 100% of a cpu core and causing a deadlock or soft lockup. Link: https://lore.kernel.org/r/20220630190425.2251-9-rpearsonhpe@gmail.com Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-07-22RDMA/rxe: Make the tasklet exits the sameBob Pearson3-46/+60
Make changes to the three tasklets so that the exit logic from each is the same. This makes the code easier to understand. Link: https://lore.kernel.org/r/20220630190425.2251-8-rpearsonhpe@gmail.com Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-07-22RDMA/rxe: Fix rnr retry behaviorBob Pearson4-3/+22
Currently the completer tasklet when retransmit timer or the rnr timer fires the same flag (qp->req.need_retry) is set so that if either timer fires it will attempt to perform a retry flow on the send queue. This has the effect of responding to an RNR NAK at the first retransmit timer event which might not allow the requested rnr timeout. This patch adds a new flag (qp->req.wait_for_rnr_timer) which, if set, prevents a retry flow until the rnr nak timer fires. This patch fixes rnr retry errors which can be observed by running the pyverbs test_rdmacm_async_traffic_external_qp multiple times. With this patch applied they do not occur. Link: https://lore.kernel.org/linux-rdma/a8287823-1408-4273-bc22-99a0678db640@gmail.com/ Link: https://lore.kernel.org/linux-rdma/2bafda9e-2bb6-186d-12a1-179e8f6a2678@talpey.com/ Fixes: 8700e3e7c485 ("Soft RoCE driver") Link: https://lore.kernel.org/r/20220630190425.2251-6-rpearsonhpe@gmail.com Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-07-22RDMA/rxe: Add rxe_is_fenced() subroutineBob Pearson1-6/+31
The code thc that decides whether to defer execution of a wqe in rxe_requester.c is isolated into a subroutine rxe_is_fenced() and removed from the call to req_next_wqe(). The condition whether a wqe should be fenced is changed to comply with the IBA. Currently an operation is fenced if the fence bit is set in the wqe flags and the last wqe has not completed. For normal operations the IBA actually only requires that the last read or atomic operation is complete. Link: https://lore.kernel.org/r/20220630190425.2251-2-rpearsonhpe@gmail.com Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com> Reviewed-by: Li Zhijian <lizhijian@fujitsu.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-07-22RDMA/rxe: For invalidate compare according to set keys in mrMd Haris Iqbal2-7/+7
The 'rkey' input can be an lkey or rkey, and in rxe the lkey or rkey have the same value, including the variant bits. So, if mr->rkey is set, compare the invalidate key with it, otherwise compare with the mr->lkey. Since we already did a lookup on the non-varient bits to get this far, the check's only purpose is to confirm that the wqe has the correct variant bits. Fixes: 001345339f4c ("RDMA/rxe: Separate HW and SW l/rkeys") Link: https://lore.kernel.org/r/20220707073006.328737-1-haris.phnx@gmail.com Signed-off-by: Md Haris Iqbal <haris.phnx@gmail.com> Reviewed-by: Bob Pearson <rpearsonhpe@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-07-22RDMA: Fix comment typoXin Gao1-1/+1
The double `get' is duplicated, remove one. Link: https://lore.kernel.org/r/20220722021833.15669-1-gaoxin@cdjrlc.com Signed-off-by: Xin Gao <gaoxin@cdjrlc.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-07-22IB: Fix repeated words 'the the' commentsSlark Xiao3-3/+3
Replace 'the the' with 'the' in the comments. Signed-off-by: Slark Xiao <slark_xiao@163.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-07-21RDMA/rxe: Fix mw bind to allow any consumer key portionBob Pearson1-7/+0
The current implementation of rxe_check_bind_mw() in rxe_mw.c is incorrect since it requires the new key portion provided by the mw consumer to be different than the previous key portion. This is not required by the IBA. Remove the test. Link: https://lore.kernel.org/linux-rdma/fb4614e7-4cac-0dc7-3ef7-766dfd10e8f2@gmail.com/ Fixes: 32a577b4c3a9 ("Add support for bind MW work requests") Link: https://lore.kernel.org/r/20220714204619.13396-1-rpearsonhpe@gmail.com Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-07-21RDMA/rxe: Fix spelling mistake in error printZhang Jiaming1-1/+1
There is a spelling mistake (writeable) in function rxe_check_bind_mw. Fix it. Signed-off-by: Zhang Jiaming <jiaming@nfschina.com> Reviewed-by: Bob Pearson <rpearsonhpe@gmail.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-19RDMA/mlx5: Expose steering anchor to userspaceMark Bloch3-5/+156
Expose a steering anchor per priority to allow users to re-inject packets back into default NIC pipeline for additional processing. MLX5_IB_METHOD_STEERING_ANCHOR_CREATE returns a flow table ID which a user can use to re-inject packets at a specific priority. A FTE (flow table entry) can be created and the flow table ID used as a destination. When a packet is taken into a RDMA-controlled steering domain (like software steering) there may be a need to insert the packet back into the default NIC pipeline. This exposes a flow table ID to the user that can be used as a destination in a flow table entry. With this new method priorities that are exposed to users via MLX5_IB_METHOD_FLOW_MATCHER_CREATE can be reached from a non-zero UID. As user-created flow tables (via RDMA DEVX) are created with a non-zero UID thus it's impossible to point to a NIC core flow table (core driver flow tables are created with UID value of zero) from userspace. Create flow tables that are exposed to users with the shared UID, this allows users to point to default NIC flow tables. Steering loops are prevented at FW level as FW enforces that no flow table at level X can point to a table at level lower than X. Link: https://lore.kernel.org/all/20220703205407.110890-6-saeed@kernel.org/ Signed-off-by: Mark Bloch <mbloch@nvidia.com> Reviewed-by: Yishai Hadas <yishaih@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-19RDMA/mlx5: Refactor get flow table functionMark Bloch1-10/+11
_get_flow_table() requires the entire matcher being passed while all it needs is the priority and namespace type. Pass the priority and namespace type directly instead. Link: https://lore.kernel.org/all/20220703205407.110890-5-saeed@kernel.org/ Signed-off-by: Mark Bloch <mbloch@nvidia.com> Reviewed-by: Maor Gottlieb <maorg@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-19RDMA/rxe: Remove unused qp parameterXiao Yang3-5/+5
The qp parameter in free_rd_atomic_resource() has become unused so remove it directly. Fixes: 15ae1375ea91 ("RDMA/rxe: Fix qp reference counting for atomic ops") Link: https://lore.kernel.org/all/20220708035547.6592-1-yangx.jy@fujitsu.com/ Signed-off-by: Xiao Yang <yangx.jy@fujitsu.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-19IB/qib: Fix comment typoJason Wang1-1/+1
The double `are' is duplicated in line 156, remove one. Link: https://lore.kernel.org/r/20220715054007.5320-1-wangborong@cdjrlc.com Signed-off-by: Jason Wang <wangborong@cdjrlc.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-19RDMA/hfi1: fix potential memory leak in setup_base_ctxt()Jianglei Nie1-1/+3
setup_base_ctxt() allocates a memory chunk for uctxt->groups with hfi1_alloc_ctxt_rcv_groups(). When init_user_ctxt() fails, uctxt->groups is not released, which will lead to a memory leak. We should release the uctxt->groups with hfi1_free_ctxt_rcv_groups() when init_user_ctxt() fails. Fixes: e87473bc1b6c ("IB/hfi1: Only set fd pointer when base context is completely initialized") Link: https://lore.kernel.org/r/20220711070718.2318320-1-niejianglei2021@163.com Signed-off-by: Jianglei Nie <niejianglei2021@163.com> Acked-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/rxe: Remove unused mask parameterlizhijian@fujitsu.com1-3/+2
This parameter had been deprecated since below commit: 1a7085b34291 ("RDMA/rxe: Skip adjusting remote addr for write in retry operation") Link: https://lore.kernel.org/r/20220715035340.1900168-1-lizhijian@fujitsu.com Signed-off-by: Li Zhijian <lizhijian@fujitsu.com> Reviewed-by: Bob Pearson <rpearsonhpe@gmail.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/rxe: Rename rxe_atomic_reply to atomic_replyXiao Yang1-2/+2
It's better to use the unified naming format. Link: https://lore.kernel.org/r/20220705145212.12014-2-yangx.jy@fujitsu.com Signed-off-by: Xiao Yang <yangx.jy@fujitsu.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/rxe: Add common rxe_prepare_res()Xiao Yang1-39/+32
It's redundant to prepare resources for Read and Atomic requests by different functions. Replace them by a common rxe_prepare_res() with different parameters. In addition, the common rxe_prepare_res() can also be used by new Flush and Atomic Write requests in the future. Link: https://lore.kernel.org/r/20220705145212.12014-1-yangx.jy@fujitsu.com Signed-off-by: Xiao Yang <yangx.jy@fujitsu.com> Reviewed-by: Bob Pearson <rpearsonhpe@gmail.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/rxe: Fix BUG: KASAN: null-ptr-deref in rxe_qp_do_cleanupZhu Yanjun1-4/+6
The function rxe_create_qp calls rxe_qp_from_init. If some error occurs, the error handler of function rxe_qp_from_init will set both scq and rcq to NULL. Then rxe_create_qp calls rxe_put to handle qp. In the end, rxe_qp_do_cleanup is called by rxe_put. rxe_qp_do_cleanup directly accesses scq and rcq before checking them. This will cause null-ptr-deref error. The call graph is as below: rxe_create_qp { ... rxe_qp_from_init { ... err1: ... qp->rcq = NULL; <---rcq is set to NULL qp->scq = NULL; <---scq is set to NULL ... } qp_init: rxe_put{ ... rxe_qp_do_cleanup { ... atomic_dec(&qp->scq->num_wq); <--- scq is accessed ... atomic_dec(&qp->rcq->num_wq); <--- rcq is accessed } } Fixes: 4703b4f0d94a ("RDMA/rxe: Enforce IBA C11-17") Link: https://lore.kernel.org/r/20220705225414.315478-1-yanjun.zhu@linux.dev Signed-off-by: Zhu Yanjun <yanjun.zhu@linux.dev> Reviewed-by: Bob Pearson <rpearsonhpe@gmail.com> Reviewed-by: Md Haris Iqbal <haris.iqbal@ionos.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/siw: Fix duplicated reported IW_CM_EVENT_CONNECT_REPLY eventCheng Xu1-3/+4
If siw_recv_mpa_rr returns -EAGAIN, it means that the MPA reply hasn't been received completely, and should not report IW_CM_EVENT_CONNECT_REPLY in this case. This may trigger a call trace in iw_cm. A simple way to trigger this: server: ib_send_lat client: ib_send_lat -R <server_ip> The call trace looks like this: kernel BUG at drivers/infiniband/core/iwcm.c:894! invalid opcode: 0000 [#1] PREEMPT SMP NOPTI <...> Workqueue: iw_cm_wq cm_work_handler [iw_cm] Call Trace: <TASK> cm_work_handler+0x1dd/0x370 [iw_cm] process_one_work+0x1e2/0x3b0 worker_thread+0x49/0x2e0 ? rescuer_thread+0x370/0x370 kthread+0xe5/0x110 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x1f/0x30 </TASK> Fixes: 6c52fdc244b5 ("rdma/siw: connection management") Link: https://lore.kernel.org/r/dae34b5fd5c2ea2bd9744812c1d2653a34a94c67.1657706960.git.chengyou@linux.alibaba.com Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/hns: Recover 1bit-ECC error of RAM on chipHaoyue Xu3-2/+193
Since ECC memory maintains a memory system immune to single-bit errors, add support for correcting the 1bit-ECC error, which prevents a 1bit-ECC error become an uncorrected type error. When a 1bit-ECC error happens in the internal ram of the ROCE engine, such as the QPC table, as a 1bit-ECC error caused by reading, the ROCE engine only corrects those 1bit ECC errors by writing. Link: https://lore.kernel.org/r/20220714134353.16700-6-liangwenpeng@huawei.com Signed-off-by: Haoyue Xu <xuhaoyue1@hisilicon.com> Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/hns: Refactor the abnormal interrupt handler functionHaoyue Xu1-12/+23
Use a single function to handle the same kind of abnormal interrupts. Link: https://lore.kernel.org/r/20220714134353.16700-5-liangwenpeng@huawei.com Signed-off-by: Haoyue Xu <xuhaoyue1@hisilicon.com> Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/hns: Fix incorrect clearing of interrupt status registerHaoyue Xu1-2/+2
The driver will clear all the interrupts in the same area when the driver handles the interrupt of type AEQ overflow. It should only set the interrupt status bit of type AEQ overflow. Fixes: a5073d6054f7 ("RDMA/hns: Add eq support of hip08") Link: https://lore.kernel.org/r/20220714134353.16700-4-liangwenpeng@huawei.com Signed-off-by: Haoyue Xu <xuhaoyue1@hisilicon.com> Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/hns: Fix the wrong type of return value of the interrupt handlerHaoyue Xu1-13/+14
The type of return value of the interrupt handler should be irqreturn_t. Link: https://lore.kernel.org/r/20220714134353.16700-3-liangwenpeng@huawei.com Signed-off-by: Haoyue Xu <xuhaoyue1@hisilicon.com> Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/hns: Remove unused abnormal interrupt of type RASHaoyue Xu2-11/+0
The HNS NIC driver receives and handles the abnormal interrupt of the RAS type generated by ROCEE, and the HNS RDMA driver does not need to handle this type of interrupt. Therefore, delete unused codes in the HNS RDMA driver. Link: https://lore.kernel.org/r/20220714134353.16700-2-liangwenpeng@huawei.com Signed-off-by: Haoyue Xu <xuhaoyue1@hisilicon.com> Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/qedr: Fix potential memory leak in __qedr_alloc_mr()Jianglei Nie1-3/+5
__qedr_alloc_mr() allocates a memory chunk for "mr->info.pbl_table" with init_mr_info(). When rdma_alloc_tid() and rdma_register_tid() fail, "mr" is released while "mr->info.pbl_table" is not released, which will lead to a memory leak. We should release the "mr->info.pbl_table" with qedr_free_pbl() when error occurs to fix the memory leak. Fixes: e0290cce6ac0 ("qedr: Add support for memory registeration verbs") Link: https://lore.kernel.org/r/20220714061505.2342759-1-niejianglei2021@163.com Signed-off-by: Jianglei Nie <niejianglei2021@163.com> Acked-by: Michal Kalderon <michal.kalderon@marvell.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/hfi1: Depend on !UMLEhab Ababneh1-1/+1
Both hfi1 and UML depend on x86_64, this can trigger build errors. This driver must depends on !UML because it accesses x86_64 features that are not supported by UML. Link: https://lore.kernel.org/r/165755127879.2996325.5668395672492732376.stgit@awfm-02.cornelisnetworks.com Signed-off-by: Ehab Ababneh <ehab.ababneh@cornelisnetworks.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/irdma: Use the bitmap API to allocate bitmapsChristophe JAILLET1-5/+4
Use bitmap_zalloc()/bitmap_free() instead of hand-writing them. It is less verbose and it improves the semantic. Link: https://lore.kernel.org/r/1f671b1af5881723ee265a0a12809c92950e58aa.1657567269.git.christophe.jaillet@wanadoo.fr Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Acked-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/rtrs-srv: Do not use mempool for page allocationJack Wang1-17/+6
The mempool is for guaranteed memory allocation during extreme VM load (see the header of mempool.c of the kernel). But rtrs-srv allocates pages only when creating new session. There is no need to use the mempool. With the removal of mempool, rtrs-server no longer need to reserve huge mount of memory, this will avoid error like this: https://lore.kernel.org/lkml/20220620020727.GA3669@xsang-OptiPlex-9020/ Link: https://lore.kernel.org/r/20220712103113.617754-6-haris.iqbal@ionos.com Reported-by: kernel test robot <oliver.sang@intel.com> Signed-off-by: Gioh Kim <gi-oh.kim@ionos.com> Signed-off-by: Jack Wang <jinpu.wang@ionos.com> Signed-off-by: Md Haris Iqbal <haris.iqbal@ionos.com> Acked-by: Guoqing Jiang <guoqing.jiang@linux.dev> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/rtrs-clt: Replace list_next_or_null_rr_rcu with an inline functionMd Haris Iqbal1-19/+16
removes list_next_or_null_rr_rcu macro to fix below warnings. That macro is used only twice. CHECK:MACRO_ARG_REUSE: Macro argument reuse 'head' - possible side-effects? CHECK:MACRO_ARG_REUSE: Macro argument reuse 'ptr' - possible side-effects? CHECK:MACRO_ARG_REUSE: Macro argument reuse 'memb' - possible side-effects? Replaces that macro with an inline function. Fixes: 6a98d71daea1 ("RDMA/rtrs: client: main functionality") Cc: jinpu.wang@ionos.com Link: https://lore.kernel.org/r/20220712103113.617754-5-haris.iqbal@ionos.com Signed-off-by: Md Haris Iqbal <haris.iqbal@ionos.com> Suggested-by: Jason Gunthorpe <jgg@ziepe.ca> Signed-off-by: Jack Wang <jinpu.wang@ionos.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/rtrs-srv: Use per-cpu variables for rdma statsSantosh Kumar Pradhan4-16/+42
Convert server stat counters from atomic to per-cpu variables. Link: https://lore.kernel.org/r/20220712103113.617754-4-haris.iqbal@ionos.com Signed-off-by: Santosh Kumar Pradhan <santosh.pradhan@ionos.com> Signed-off-by: Jack Wang <jinpu.wang@ionos.com> Signed-off-by: Md Haris Iqbal <haris.iqbal@ionos.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/rtrs-clt: Use this_cpu_ API for statsSantosh Kumar Pradhan1-11/+3
Use this_cpu_x() for increasing/adding a percpu counter through a percpu pointer without the need to disable/enable preemption. Link: https://lore.kernel.org/r/20220712103113.617754-3-haris.iqbal@ionos.com Suggested-by: Christoph Lameter <cl@linux.com> Signed-off-by: Santosh Kumar Pradhan <santosh.pradhan@ionos.com> Signed-off-by: Jack Wang <jinpu.wang@ionos.com> Signed-off-by: Md Haris Iqbal <haris.iqbal@ionos.com> Acked-by: Guoqing Jiang <guoqing.jiang@linux.dev> Reviewed-by: Christoph Lameter <cl@linux.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/rtrs-srv: Fix modinfo output for stringifyJack Wang1-10/+11
stringify works with define, not enum. Fixes: 91fddedd439c ("RDMA/rtrs: private headers with rtrs protocol structs and helpers") Cc: jinpu.wang@ionos.com Link: https://lore.kernel.org/r/20220712103113.617754-2-haris.iqbal@ionos.com Signed-off-by: Jack Wang <jinpu.wang@ionos.com> Signed-off-by: Md Haris Iqbal <haris.iqbal@ionos.com> Reviewed-by: Aleksei Marov <aleksei.marov@ionos.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA: remove useless condition in siw_create_cq()Andrey Strachuk1-1/+1
Comparison of 'cq' with NULL is useless since 'cq' is a result of container_of and cannot be NULL in any reasonable scenario. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 303ae1cdfdf7 ("rdma/siw: application interface") Link: https://lore.kernel.org/r/20220711151251.17089-1-strochuk@ispras.ru Signed-off-by: Andrey Strachuk <strochuk@ispras.ru> Acked-by: Bernard Metzler <bmt@zurich.ibm.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/rtrs-clt: Use bitmap_empty()Christophe JAILLET1-5/+3
Use bitmap_empty() instead of hand-writing them. Link: https://lore.kernel.org/r/b71ccfaf4a47dee8e1ad373604c861479d499b6b.1657298747.git.christophe.jaillet@wanadoo.fr Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Acked-by: Jack Wang <jinpu.wang@ionos.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/rtrs-clt: Use the bitmap API to allocate bitmapsChristophe JAILLET1-4/+3
Use bitmap_zalloc()/bitmap_free() instead of hand-writing them. It is less verbose and it improves the semantic. Link: https://lore.kernel.org/r/ca9c5c8301d76d60de34640568b3db0d4401d050.1657298747.git.christophe.jaillet@wanadoo.fr Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Acked-by: Jack Wang <jinpu.wang@ionos.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/qib: Use the bitmap API to allocate bitmapsChristophe JAILLET1-3/+2
Use bitmap_zalloc()/bitmap_free() instead of hand-writing them. It is less verbose and it improves the semantic. Link: https://lore.kernel.org/r/f7a8588447679e80a438b6188b0603c1a11ad877.1657300671.git.christophe.jaillet@wanadoo.fr Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/irdma: Fix setting of QP context err_rq_idx_valid fieldMustafa Ismail1-11/+4
Setting err_rq_idx_valid field in QP context when the AE source of the AEQE is not associated with an RQ causes the firmware flush to fail. Set err_rq_idx_valid field in QP context only if it is associated with an RQ. Additionally, cleanup the redundant setting of this field in irdma_process_aeq. Fixes: 44d9e52977a1 ("RDMA/irdma: Implement device initialization definitions") Link: https://lore.kernel.org/r/20220705230815.265-8-shiraz.saleem@intel.com Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/irdma: Fix VLAN connection with wildcard addressMustafa Ismail1-5/+6
When an application listens on a wildcard address, and there are VLAN and non-VLAN IP addresses, iWARP connection establishemnt can fail if the listen node VLAN ID does not match. Fix this by checking the vlan_id only if not a wildcard listen node. Fixes: 146b9756f14c ("RDMA/irdma: Add connection manager") Link: https://lore.kernel.org/r/20220705230815.265-7-shiraz.saleem@intel.com Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/irdma: Fix a window for use-after-freeMustafa Ismail1-1/+1
During a destroy CQ an interrupt may cause processing of a CQE after CQ resources are freed by irdma_cq_free_rsrc(). Fix this by moving the call to irdma_cq_free_rsrc() after the irdma_sc_cleanup_ceqes(), which is called under the cq_lock. Fixes: b48c24c2d710 ("RDMA/irdma: Implement device supported verb APIs") Link: https://lore.kernel.org/r/20220705230815.265-6-shiraz.saleem@intel.com Signed-off-by: Bartosz Sobczak <bartosz.sobczak@intel.com> Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/irdma: Make resource distribution algorithm more QP orientedNayan Kumar2-7/+6
Adapt the resource distribution algorithm in irdma_cfg_fpm_val to be more QP oriented. If the configuration is too big for the available memory, trim the MR and PBLE's first before trimming the QPs. This also avoids having to double QPs requested as input to algorithm for GEN1 devices. Link: https://lore.kernel.org/r/20220705230815.265-5-shiraz.saleem@intel.com Signed-off-by: Nayan Kumar <nayan.kumar@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/irdma: Make CQP invalid state error non-criticalMustafa Ismail1-0/+1
The invalid state error returned by the Control Queue-Pair (CQP) is not a critical error. Add it to the irdma_noncrit_err_list and drop reporting it as device error message. Link: https://lore.kernel.org/r/20220705230815.265-4-shiraz.saleem@intel.com Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/irdma: Add AE source to error logMustafa Ismail1-2/+2
To assist with debugging add the Asynchronous Event (AE) source when logging the abnormal AE error log message. Link: https://lore.kernel.org/r/20220705230815.265-3-shiraz.saleem@intel.com Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-18RDMA/irdma: Add 2 level PBLE support for FMRMustafa Ismail2-4/+12
Level 2 Physical Buffer List Entry (PBLE) is currently not supported for Fast MRs which limits memory registrations to 256K pages. Adapt irdma_set_page and irdma_alloc_mr to allow for 2 level PBLEs. Link: https://lore.kernel.org/r/20220705230815.265-2-shiraz.saleem@intel.com Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
2022-07-17net/mlx5: fs, allow flow table creation with a UIDMark Bloch9-15/+26
Add UID field to flow table attributes to allow creating flow tables with a non default (zero) uid. Signed-off-by: Mark Bloch <mbloch@nvidia.com> Reviewed-by: Alex Vesker <valex@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2022-07-17net/mlx5: fs, expose flow table ID to usersMark Bloch2-0/+7
Expose the flow table ID to users. This will be used by downstream patches to allow creating steering rules that point to a flow table ID. Signed-off-by: Mark Bloch <mbloch@nvidia.com> Reviewed-by: Maor Gottlieb <maorg@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2022-07-17net/mlx5: Expose the ability to point to any UID from shared UIDMark Bloch1-2/+4
Expose shared_object_to_user_object_allowed, this capability means an object created with shared UID can point to any UID. Signed-off-by: Mark Bloch <mbloch@nvidia.com> Reviewed-by: Maor Gottlieb <maorg@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2022-07-17ipoib: switch to netif_napi_add_weight()Jakub Kicinski1-2/+4
We want to remove the weight argument from the basic netif_napi_add() API and just default to 64. Switch ipoib to the new API for explicitly specifying the weight. Link: https://lore.kernel.org/r/20220705230208.924408-4-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Leon Romanovsky <leon@kernel.org>
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