From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f226.google.com (mail-pg1-f226.google.com [209.85.215.226]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3A6E03FCB13 for ; Mon, 15 Jun 2026 17:26:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.226 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781544373; cv=none; b=P1Uv3u0t2zWeZuyHnOXo2XwYnjpyO/hi1EuIex0nTaRISvcKs3TM82hZgWcs7/rWe+w/itd4FhZy1VwWa4W3nGSUUc757gcNFgqCy42QEsJxFu5iK5jnQPMMEP7Zza/cQQCRNJ13xI8812ld4RihiXLaxij0L0u6UyIC1bICfkU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781544373; c=relaxed/simple; bh=LBNZPYZJGj8vo3a6VAwTGWiW5Z/ka/A+pEoDwnkYR4M=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=tWx5f+cRUMzvpwQKW8kVvooJiW5QuB6j7liK+bHLkteGixUL3+63z1LKTQrNSVjvmYQd7L+vc2C1qzJKILu2aouSu4mFoI4q/WXIPbe5flqj+wilDr5Ujl7+Wi1mVQcvR7Gm6OH6wytQy36Fy+uSzSAHNZ/h5A8Z2qVMtbTofGY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=broadcom.com; spf=fail smtp.mailfrom=broadcom.com; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b=U6FHXGCQ; arc=none smtp.client-ip=209.85.215.226 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=broadcom.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=broadcom.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="U6FHXGCQ" Received: by mail-pg1-f226.google.com with SMTP id 41be03b00d2f7-c85d8615b09so2196454a12.3 for ; Mon, 15 Jun 2026 10:26:12 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1781544371; x=1782149171; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:dkim-signature:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=+bnn6WXDeUnXy/SlRbv9SMmp106S3vQ0wjQMiXsR5pQ=; b=P12eZ5BtV/3+psMAJzeou2TfscU+SP9avzn5GTY876pnKvlqvnEWZu3GmomzgCu0Pp KdqvXlTs7/aOoTnFyeu+hYi7s/YhBvSglvQuOuKa/qJOWwyXdbx7tMHCQulJ73FztEoX BmsT6a7w7uAswdyOd6iz00iWGAW5kyVhpdOiI3P2JB2Yz2PV7rf0ZQOeF8Mc163zqi9T K7FXSL1+zgB3G6xDhOBSvbfyRgpQ2rYg12cE0UOjt27lGvk1IBi3vIXQeeal3BLXRSWA U8fGGOO814xRw8wPZu1J2gwvZt/Aua5bRFxHUGeN4Y0wNLeMTajHDR0NQgynYiMna1fV kOYA== X-Gm-Message-State: AOJu0YzheabFyu3i3UR+OmqynvXOkVXWw6iU6T5d+HuCbH4nGI7cmFcW 6BhoLC5LLeWJeRqWDc/akIKji5c1AY0KOlSgUiu3dtpbMwCvRu1ZIUuHjwUeqNasPHYtBZf28Eh cl5b+O52x/3sBiR75dSSsAdHbf6ZVQlky6QF54nrPLKodfG7YdmgrFOJCOfszbyJxcdfVVFm4j1 91EfKEYT/83Dr0Bx0sXax7Q3pSBFWmBzIVMqlUJ7GUEGNMG1jZ5VMQ21XEej61tvj1oQN2TcQgQ +A+JIz32DtKnAx0Ig== X-Gm-Gg: Acq92OFbYGRPLcE6JVil2MtAgM4cxEXIb6u+7jSPDq85uObdTo7AaNvXUMaUfwYw1zn l8+/UBmHo2mwH2HLRc2t1bjm0UP4H62HUn4oR6rdk4VdlpT6qqLX2W/1cd7xHm6wcnDphQlRtzc UQtnesNdInujZ+HkSFD+eDdmWM7kWlXowJGO99p7qZlZO5opkhcN5n67uLydaii19LWfu1z41C3 JS9NNIekYrGWupkMc1fWiyEsCcGDJph8HBtD3WLGaofnj6WkAb8wOLf0ysiRJTdVR/M9IqVXkgX T/Yas/sQw+bxosXwJpPNrRUUtjxkkTUXoijlUNTmKQHdXU3K599hFeot4yzk5IiRCKFXz7KgfY1 pdYBOViqHq9hnteUa46CTrcnchOXsKFE4WC2XUaeOG4zqU9PhzJpEfezsWiQuAOCuGid8gkk12/ yAUFkJu3ENfd4SJMaYNpM2Mxn0jrMMmoCGBp6jG0Kadr4vsmEgLu+QAOooTw== X-Received: by 2002:a05:6300:67c2:b0:3b4:dd7:6304 with SMTP id adf61e73a8af0-3b7e44b4547mr79194637.8.1781544371504; Mon, 15 Jun 2026 10:26:11 -0700 (PDT) Received: from smtp-us-east1-p01-i01-si01.dlp.protect.broadcom.com (address-144-49-247-18.dlp.protect.broadcom.com. [144.49.247.18]) by smtp-relay.gmail.com with ESMTPS id 41be03b00d2f7-c86651bee26sm607599a12.11.2026.06.15.10.26.11 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 15 Jun 2026 10:26:11 -0700 (PDT) X-Relaying-Domain: broadcom.com X-CFilter-Loop: Reflected Received: by mail-pl1-f200.google.com with SMTP id d9443c01a7336-2bd04e4fe3dso93315555ad.3 for ; Mon, 15 Jun 2026 10:26:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1781544370; x=1782149170; 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; bh=+bnn6WXDeUnXy/SlRbv9SMmp106S3vQ0wjQMiXsR5pQ=; b=U6FHXGCQDU4wiL6uFu1AeuvITxTJ774VK4kqFSRusGB/qxjx+ponNUQfC2hBKUjP9b r360ASHCnL2XbAPfQ7ukHvQWQdHbN4ms9s2hO/zVC1Fc8EhUI/FvZ8K/Fms7j7NkyqKM UNv3H9vwOvOcvnrOL/Y0czELksJ+MyPwpJXPE= X-Received: by 2002:a17:902:ebc5:b0:2c2:da54:8a73 with SMTP id d9443c01a7336-2c69a17a8bdmr1878575ad.18.1781544369758; Mon, 15 Jun 2026 10:26:09 -0700 (PDT) X-Received: by 2002:a17:902:ebc5:b0:2c2:da54:8a73 with SMTP id d9443c01a7336-2c69a17a8bdmr1878205ad.18.1781544369353; Mon, 15 Jun 2026 10:26:09 -0700 (PDT) Received: from dhcp-10-123-156-114.dhcp.broadcom.net ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2c4328a43c9sm108289285ad.41.2026.06.15.10.26.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Jun 2026 10:26:08 -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, sriharsha.basavapatna@broadcom.com, Selvin Xavier Subject: [PATCH rdma-rc v2 14/15] RDMA/bnxt_re: Fail DBR related page allocation UAPIs if the feature is disabled Date: Mon, 15 Jun 2026 15:47:50 -0700 Message-Id: <20260615224751.232802-15-selvin.xavier@broadcom.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20260615224751.232802-1-selvin.xavier@broadcom.com> References: <20260615224751.232802-1-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 No need to support the DBR related page allocations if the pacing feature is disabled. Fail the request if pacing is disabled. Fixes: ea2224857882 ("RDMA/bnxt_re: Update alloc_page uapi for pacing") Reviewed-by: Sriharsha Basavapatna Signed-off-by: Selvin Xavier --- drivers/infiniband/hw/bnxt_re/uapi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/infiniband/hw/bnxt_re/uapi.c b/drivers/infiniband/hw/bnxt_re/uapi.c index b5e4cf62b63e..ef41d6a1a0bb 100644 --- a/drivers/infiniband/hw/bnxt_re/uapi.c +++ b/drivers/infiniband/hw/bnxt_re/uapi.c @@ -127,12 +127,16 @@ static int UVERBS_HANDLER(BNXT_RE_METHOD_ALLOC_PAGE)(struct uverbs_attr_bundle * break; case BNXT_RE_ALLOC_DBR_BAR_PAGE: + if (!rdev->pacing.dbr_pacing) + return -EOPNOTSUPP; length = PAGE_SIZE; addr = (u64)rdev->pacing.dbr_bar_addr; mmap_flag = BNXT_RE_MMAP_DBR_BAR; break; case BNXT_RE_ALLOC_DBR_PAGE: + if (!rdev->pacing.dbr_pacing) + return -EOPNOTSUPP; length = PAGE_SIZE; addr = (u64)rdev->pacing.dbr_page; mmap_flag = BNXT_RE_MMAP_DBR_PAGE; -- 2.39.3