From 186b169cf1e4be85aa212a893ea783a543400979 Mon Sep 17 00:00:00 2001 From: Michael Guralnik Date: Wed, 19 Jul 2023 12:02:41 +0300 Subject: RDMA/umem: Set iova in ODP flow Fixing the ODP registration flow to set the iova correctly. The calculation in ib_umem_num_dma_blocks() function assumes the iova of the umem is set correctly. When iova is not set, the calculation in ib_umem_num_dma_blocks() is equivalent to length/page_size, which is true only when memory is aligned. For unaligned memory, iova must be set for the ALIGN() in the ib_umem_num_dma_blocks() to take effect and return a correct value. mlx5_ib uses ib_umem_num_dma_blocks() to decide the mkey size to use for the MR. Without this fix, when registering unaligned ODP MR, a wrong size mkey might be chosen and this might cause the UMR to fail. UMR would fail over insufficient size to update the mkey translation: infiniband mlx5_0: dump_cqe:273:(pid 0): dump error cqe 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00000020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00000030: 00 00 00 00 0f 00 78 06 25 00 00 58 00 da ac d2 infiniband mlx5_0: mlx5_ib_post_send_wait:806:(pid 20311): reg umr failed (6) infiniband mlx5_0: pagefault_real_mr:661:(pid 20311): Failed to update mkey page tables Fixes: f0093fb1a7cb ("RDMA/mlx5: Move mlx5_ib_cont_pages() to the creation of the mlx5_ib_mr") Fixes: a665aca89a41 ("RDMA/umem: Split ib_umem_num_pages() into ib_umem_num_dma_blocks()") Signed-off-by: Artemy Kovalyov Signed-off-by: Michael Guralnik Link: https://lore.kernel.org/r/3d4be7ca2155bf239dd8c00a2d25974a92c26ab8.1689757344.git.leon@kernel.org Signed-off-by: Leon Romanovsky --- drivers/infiniband/core/umem.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c index 755a9c57db6f..f9ab671c8eda 100644 --- a/drivers/infiniband/core/umem.c +++ b/drivers/infiniband/core/umem.c @@ -85,6 +85,8 @@ unsigned long ib_umem_find_best_pgsz(struct ib_umem *umem, dma_addr_t mask; int i; + umem->iova = va = virt; + if (umem->is_odp) { unsigned int page_size = BIT(to_ib_umem_odp(umem)->page_shift); @@ -100,7 +102,6 @@ unsigned long ib_umem_find_best_pgsz(struct ib_umem *umem, */ pgsz_bitmap &= GENMASK(BITS_PER_LONG - 1, PAGE_SHIFT); - umem->iova = va = virt; /* The best result is the smallest page size that results in the minimum * number of required pages. Compute the largest page size that could * work based on VA address bits that don't change. -- cgit v1.2.3-73-gaa49b From 4fdfaef71fced490835145631a795497646f4555 Mon Sep 17 00:00:00 2001 From: Douglas Miller Date: Wed, 2 Aug 2023 13:32:41 -0400 Subject: IB/hfi1: Fix possible panic during hotplug remove During hotplug remove it is possible that the update counters work might be pending, and may run after memory has been freed. Cancel the update counters work before freeing memory. Fixes: 7724105686e7 ("IB/hfi1: add driver files") Signed-off-by: Douglas Miller Signed-off-by: Dennis Dalessandro Link: https://lore.kernel.org/r/169099756100.3927190.15284930454106475280.stgit@awfm-02.cornelisnetworks.com Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/hfi1/chip.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index 9dbb89e9f4af..baaa4406d5e6 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -12307,6 +12307,7 @@ static void free_cntrs(struct hfi1_devdata *dd) if (dd->synth_stats_timer.function) del_timer_sync(&dd->synth_stats_timer); + cancel_work_sync(&dd->update_cntr_work); ppd = (struct hfi1_pportdata *)(dd + 1); for (i = 0; i < dd->num_pports; i++, ppd++) { kfree(ppd->cntrs); -- cgit v1.2.3-73-gaa49b From 5363fc488da579923edf6a2fdca3d3b651dd800b Mon Sep 17 00:00:00 2001 From: Selvin Xavier Date: Wed, 9 Aug 2023 21:44:35 -0700 Subject: RDMA/bnxt_re: Properly order ib_device_unalloc() to avoid UAF ib_dealloc_device() should be called only after device cleanup. Fix the dealloc sequence. Fixes: 6d758147c7b8 ("RDMA/bnxt_re: Use auxiliary driver interface") Link: https://lore.kernel.org/r/1691642677-21369-2-git-send-email-selvin.xavier@broadcom.com Signed-off-by: Selvin Xavier Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/bnxt_re/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index b42166fe7454..1c7646057893 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -1526,8 +1526,8 @@ static void bnxt_re_remove(struct auxiliary_device *adev) } bnxt_re_setup_cc(rdev, false); ib_unregister_device(&rdev->ibdev); - ib_dealloc_device(&rdev->ibdev); bnxt_re_dev_uninit(rdev); + ib_dealloc_device(&rdev->ibdev); skip_remove: mutex_unlock(&bnxt_re_mutex); } -- cgit v1.2.3-73-gaa49b From 5ac8480ae4d01f0ca5dfd561884424046df2478a Mon Sep 17 00:00:00 2001 From: Kalesh AP Date: Wed, 9 Aug 2023 21:44:36 -0700 Subject: RDMA/bnxt_re: Fix error handling in probe failure path During bnxt_re_dev_init(), when bnxt_re_setup_chip_ctx() fails unregister with L2 first before bailing out probe. Fixes: ae8637e13185 ("RDMA/bnxt_re: Add chip context to identify 57500 series") Link: https://lore.kernel.org/r/1691642677-21369-3-git-send-email-selvin.xavier@broadcom.com Signed-off-by: Kalesh AP Signed-off-by: Selvin Xavier Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/bnxt_re/main.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index 1c7646057893..63e98e2d3596 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -1253,6 +1253,8 @@ static int bnxt_re_dev_init(struct bnxt_re_dev *rdev, u8 wqe_mode) rc = bnxt_re_setup_chip_ctx(rdev, wqe_mode); if (rc) { + bnxt_unregister_dev(rdev->en_dev); + clear_bit(BNXT_RE_FLAG_NETDEV_REGISTERED, &rdev->flags); ibdev_err(&rdev->ibdev, "Failed to get chip context\n"); return -EINVAL; } -- cgit v1.2.3-73-gaa49b From 64b632654b97319b253c2c902fe4c11349aaa70f Mon Sep 17 00:00:00 2001 From: Kashyap Desai Date: Wed, 9 Aug 2023 21:44:37 -0700 Subject: RDMA/bnxt_re: Initialize dpi_tbl_lock mutex Fix the missing dpi_tbl_lock mutex initialization. Fixes: 0ac20faf5d83 ("RDMA/bnxt_re: Reorg the bar mapping") Link: https://lore.kernel.org/r/1691642677-21369-4-git-send-email-selvin.xavier@broadcom.com Signed-off-by: Kashyap Desai Signed-off-by: Selvin Xavier Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/bnxt_re/qplib_res.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.c b/drivers/infiniband/hw/bnxt_re/qplib_res.c index 5fd8f7c90bb0..739d942761d1 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.c @@ -819,6 +819,7 @@ static int bnxt_qplib_alloc_dpi_tbl(struct bnxt_qplib_res *res, } memset((u8 *)dpit->tbl, 0xFF, bytes); + mutex_init(&res->dpi_tbl_lock); dpit->priv_db = dpit->ucreg.bar_reg + dpit->ucreg.offset; return 0; -- cgit v1.2.3-73-gaa49b