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[144.49.247.20]) by smtp-relay.gmail.com with ESMTPS id af79cd13be357-93657eeba62sm72799985a.2.2026.08.06.12.29.49 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 06 Aug 2026 12:29:49 -0700 (PDT) X-Relaying-Domain: broadcom.com X-CFilter-Loop: Reflected Received: by mail-pl1-f198.google.com with SMTP id d9443c01a7336-2cd01a14e81so35879005ad.1 for ; Thu, 06 Aug 2026 12:29:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1786044588; x=1786649388; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=Mr+d2mILvJiFemn5CwAmEwB6THLUuSnSiPh6wa/Wi7w=; b=KQ4j+kZn2wgyg+wVzzkTaJ6AsN56rG9Zyu2tARGVVqqojnM+ljAHfVffAwnSLdu5SZ WpWtdB+EQ4J384JhldgofGO/6UC5Qe571VILcADDAO88WYa34lY5CvBAM700FqLAAMWF W1wFc5yDf3PLCXniWDZl/0EyG0wY7pY7+vud4= X-Received: by 2002:a17:903:3b84:b0:2c0:a555:80d6 with SMTP id d9443c01a7336-2d0ca712d68mr219310255ad.2.1786044588548; Thu, 06 Aug 2026 12:29:48 -0700 (PDT) X-Received: by 2002:a17:903:3b84:b0:2c0:a555:80d6 with SMTP id d9443c01a7336-2d0ca712d68mr219309695ad.2.1786044588086; Thu, 06 Aug 2026 12:29:48 -0700 (PDT) Received: from dhcp-10-123-156-114.dhcp.broadcom.net ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3158644a195sm28484575eec.13.2026.08.06.12.29.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Aug 2026 12:29:47 -0700 (PDT) From: Selvin Xavier To: leon@kernel.org, jgg@ziepe.ca Cc: linux-rdma@vger.kernel.org, andrew.gospodarek@broadcom.com, kalesh-anakkur.purayil@broadcom.com, saravanan.vajravel@broadcom.com, Selvin Xavier Subject: [PATCH for-next 1/4] RDMA/bnxt_re: Update the page sizes supported for MR Date: Thu, 6 Aug 2026 17:51:35 -0700 Message-Id: <20260807005138.771669-2-selvin.xavier@broadcom.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20260807005138.771669-1-selvin.xavier@broadcom.com> References: <20260807005138.771669-1-selvin.xavier@broadcom.com> Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e Not all the MR page sizes supported by HW are tested. So reduce the supported page sizes to 4k, 64k and 2M and 256M only for now. Signed-off-by: Saravanan Vajravel Signed-off-by: Selvin Xavier --- drivers/infiniband/hw/bnxt_re/bnxt_re.h | 1 - drivers/infiniband/hw/bnxt_re/ib_verbs.c | 4 ++-- drivers/infiniband/hw/bnxt_re/qplib_sp.c | 2 ++ drivers/infiniband/hw/bnxt_re/qplib_sp.h | 1 + 4 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/infiniband/hw/bnxt_re/bnxt_re.h b/drivers/infiniband/hw/bnxt_re/bnxt_re.h index a43e678151d3..5d46743f075a 100644 --- a/drivers/infiniband/hw/bnxt_re/bnxt_re.h +++ b/drivers/infiniband/hw/bnxt_re/bnxt_re.h @@ -46,7 +46,6 @@ #define BNXT_RE_DESC "Broadcom NetXtreme-C/E RoCE Driver" #define BNXT_RE_PAGE_SHIFT_1G (30) -#define BNXT_RE_PAGE_SIZE_SUPPORTED 0x7FFFF000 /* 4kb - 1G */ #define BNXT_RE_MAX_MR_SIZE_LOW BIT_ULL(BNXT_RE_PAGE_SHIFT_1G) #define BNXT_RE_MAX_MR_SIZE_HIGH BIT_ULL(39) diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index ccd2702db78b..21caf34a1dc8 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -199,7 +199,7 @@ int bnxt_re_query_device(struct ib_device *ibdev, addrconf_addr_eui48((u8 *)&ib_attr->sys_image_guid, rdev->netdev->dev_addr); ib_attr->max_mr_size = BNXT_RE_MAX_MR_SIZE; - ib_attr->page_size_cap = BNXT_RE_PAGE_SIZE_SUPPORTED; + ib_attr->page_size_cap = dev_attr->mr_page_size_cap; ib_attr->vendor_id = rdev->en_dev->pdev->vendor; ib_attr->vendor_part_id = rdev->en_dev->pdev->device; @@ -4687,7 +4687,7 @@ static struct ib_mr *__bnxt_re_user_reg_mr(struct ib_pd *ib_pd, u64 length, u64 return ERR_PTR(-ENOMEM); } - page_size = ib_umem_find_best_pgsz(umem, BNXT_RE_PAGE_SIZE_SUPPORTED, virt_addr); + page_size = ib_umem_find_best_pgsz(umem, rdev->dev_attr->mr_page_size_cap, virt_addr); if (!page_size) { ibdev_err(&rdev->ibdev, "umem page size unsupported!"); return ERR_PTR(-EINVAL); diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c index ec9eb52a8ebf..71240f7be9e6 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c @@ -177,6 +177,8 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw) attr->dev_cap_flags = le16_to_cpu(sb->dev_cap_flags); attr->dev_cap_flags2 = le16_to_cpu(sb->dev_cap_ext_flags_2); + attr->mr_page_size_cap = BIT_ULL(28) | BIT_ULL(21) | BIT_ULL(16) | BIT_ULL(12); + if (_is_max_srq_ext_supported(attr->dev_cap_flags2)) attr->max_srq += le16_to_cpu(sb->max_srq_ext); diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.h b/drivers/infiniband/hw/bnxt_re/qplib_sp.h index c4193ae75b54..b16e12d3b7ab 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.h @@ -75,6 +75,7 @@ struct bnxt_qplib_dev_attr { bool is_atomic; u16 dev_cap_flags; u16 dev_cap_flags2; + u64 mr_page_size_cap; u32 max_dpi; u16 rate_limit_min; u32 rate_limit_max; -- 2.39.3