diff options
| author | Konstantin Taranov <kotaranov@microsoft.com> | 2025-04-14 02:00:34 -0700 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2025-04-20 06:36:26 -0400 |
| commit | f1652d76f4c51b5aefd14706eecbd70f05ca987a (patch) | |
| tree | 289f9e849c2277ae21896eb91d82ee0bf0ecca76 /drivers/infiniband/hw | |
| parent | 8f49682d94f3a12a6a3e636a07bbe57c80329d1d (diff) | |
RDMA/mana_ib: Add support of 4M, 1G, and 2G pages
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>
Diffstat (limited to 'drivers/infiniband/hw')
| -rw-r--r-- | drivers/infiniband/hw/mana/main.c | 10 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mana/mana_ib.h | 1 |
2 files changed, 8 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c index eda9c5b971de..bb0f685babe6 100644 --- a/drivers/infiniband/hw/mana/main.c +++ b/drivers/infiniband/hw/mana/main.c @@ -479,7 +479,7 @@ int mana_ib_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem, { unsigned long page_sz; - page_sz = ib_umem_find_best_pgsz(umem, PAGE_SZ_BM, virt); + page_sz = ib_umem_find_best_pgsz(umem, dev->adapter_caps.page_size_cap, virt); if (!page_sz) { ibdev_dbg(&dev->ib_dev, "Failed to find page size.\n"); return -EINVAL; @@ -494,7 +494,7 @@ int mana_ib_create_zero_offset_dma_region(struct mana_ib_dev *dev, struct ib_ume unsigned long page_sz; /* Hardware requires dma region to align to chosen page size */ - page_sz = ib_umem_find_best_pgoff(umem, PAGE_SZ_BM, 0); + page_sz = ib_umem_find_best_pgoff(umem, dev->adapter_caps.page_size_cap, 0); if (!page_sz) { ibdev_dbg(&dev->ib_dev, "Failed to find page size.\n"); return -EINVAL; @@ -577,7 +577,7 @@ int mana_ib_query_device(struct ib_device *ibdev, struct ib_device_attr *props, memset(props, 0, sizeof(*props)); props->max_mr_size = MANA_IB_MAX_MR_SIZE; - props->page_size_cap = PAGE_SZ_BM; + props->page_size_cap = dev->adapter_caps.page_size_cap; props->max_qp = dev->adapter_caps.max_qp_count; props->max_qp_wr = dev->adapter_caps.max_qp_wr; props->device_cap_flags = IB_DEVICE_RC_RNR_NAK_GEN; @@ -696,6 +696,10 @@ int mana_ib_gd_query_adapter_caps(struct mana_ib_dev *dev) caps->max_recv_sge_count = resp.max_recv_sge_count; caps->feature_flags = resp.feature_flags; + caps->page_size_cap = PAGE_SZ_BM; + if (mdev_to_gc(dev)->pf_cap_flags1 & GDMA_DRV_CAP_FLAG_1_GDMA_PAGES_4MB_1GB_2GB) + caps->page_size_cap |= (SZ_4M | SZ_1G | SZ_2G); + return 0; } diff --git a/drivers/infiniband/hw/mana/mana_ib.h b/drivers/infiniband/hw/mana/mana_ib.h index 6903946677e5..f0dbd90b8600 100644 --- a/drivers/infiniband/hw/mana/mana_ib.h +++ b/drivers/infiniband/hw/mana/mana_ib.h @@ -60,6 +60,7 @@ struct mana_ib_adapter_caps { u32 max_recv_sge_count; u32 max_inline_data_size; u64 feature_flags; + u64 page_size_cap; }; struct mana_ib_queue { |