From patchwork Tue Feb 8 14:20:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Lane X-Patchwork-Id: 1589876 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=canonical.com header.i=@canonical.com header.a=rsa-sha256 header.s=20210705 header.b=NEdfUFuf; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.ubuntu.com (client-ip=91.189.94.19; helo=huckleberry.canonical.com; envelope-from=kernel-team-bounces@lists.ubuntu.com; receiver=) Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4JtQCS6W8kz9sFt for ; Wed, 9 Feb 2022 01:20:36 +1100 (AEDT) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.86_2) (envelope-from ) id 1nHRM1-0000Si-CQ; Tue, 08 Feb 2022 14:20:25 +0000 Received: from smtp-relay-internal-0.internal ([10.131.114.225] helo=smtp-relay-internal-0.canonical.com) by huckleberry.canonical.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1nHRLy-0000Rc-5X for kernel-team@lists.ubuntu.com; Tue, 08 Feb 2022 14:20:22 +0000 Received: from mail-qv1-f71.google.com (mail-qv1-f71.google.com [209.85.219.71]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-internal-0.canonical.com (Postfix) with ESMTPS id F16EB3F19C for ; Tue, 8 Feb 2022 14:20:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1644330021; bh=0hl8i7MbozyKJOX+MmjEp1FANC9t5uPvMfvF8cjI0YU=; h=From:To:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=NEdfUFuf1bpASlerkrVbHSsnwSJPyyH9h11EU16tsZvMK4tFzjvG6L4EcB1rKILtg qQ6hxg/mzB7aCuoEzMFTbRMBo5/Yimk4Jp73Xo16c+RvoYTNEOve2tm3t/y6hIGBHn 3FziMsKb6sLEj7JknSMXulZomlJZeRnfIW/k0hc2oV6mrMDKOngtcVacNxuysev4k9 ppQC8XsAkVmgQhDL/yCe1YBrJLnRPEbgj+sighEC+pnJ0DtZnlmMAHyfZDmFBuFwlZ c21w3e5LM53U0y9k9BDTXnikaLrM5sOw+O1xQr6cyD2jogQSjIqtSNlxEpphK6Iz0D xb2ps1X27IKVw== Received: by mail-qv1-f71.google.com with SMTP id w14-20020a0cfc4e000000b0042c1ac91249so2253008qvp.4 for ; Tue, 08 Feb 2022 06:20:21 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=0hl8i7MbozyKJOX+MmjEp1FANC9t5uPvMfvF8cjI0YU=; b=23AQ5ergMEScPuaJu8JZ39ReknfSVb/efm/9HNTTTjhbv8d75mIYB5zNGNGrg487gU E1HGnxumSUW7Mq4sisaE4MOL2+ZFoooyvHvFc9VX8XWXoSp+rKLgK4z8G+qWtacSbcyh /9h5z40EIn+jMANuE/rFvJUje+DmfapkentFYrS8Xo+wRYAe0cdC5kc+SIfoMgmakm9E b4QjEfh4XgH7hix/SBnH/QUK/Dsa68Wb07jC2RfuDmvwaj+2LOg1lcf/Gg+zf1HuTZw5 CNq1RGYXaXBLx/Gk0I8Me9ezq30oyfpIyat2Ux5+cA8kn7IkgeQX+jNyRH2pjCou2ObJ moLQ== X-Gm-Message-State: AOAM530UA4tEXOLlwXGR426o8YT9elNvvy8alav+KnkTtfzpkqJQ7cpl hnPfbNyV+QGhT9YdRjfM7K5AraWrrjClo9jReaoA2zlZKQIALkg8qisQemiVf7vfNo44I/4C6wF LArcQaSPG4hjl5MDemu2VdGPSGWtXidkvWwkaMdyI+g== X-Received: by 2002:ad4:5de4:: with SMTP id jn4mr3173763qvb.23.1644330020771; Tue, 08 Feb 2022 06:20:20 -0800 (PST) X-Google-Smtp-Source: ABdhPJzRF2Hwp4sPiALOov5qouwyJXqnKOayqhmyVC4LOj3x+XyZa4wHvCHOAsq3qebNcTr6El2cmQ== X-Received: by 2002:ad4:5de4:: with SMTP id jn4mr3173741qvb.23.1644330020382; Tue, 08 Feb 2022 06:20:20 -0800 (PST) Received: from localhost.localdomain ([71.217.161.186]) by smtp.gmail.com with ESMTPSA id b16sm6712977qtk.84.2022.02.08.06.20.19 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Feb 2022 06:20:20 -0800 (PST) From: Jeff Lane To: kernel-team@lists.ubuntu.com Subject: [J][PATCH 5/6] scsi: lpfc: Add additional debugfs support for CMF Date: Tue, 8 Feb 2022 09:20:13 -0500 Message-Id: <20220208142014.3782820-6-jeffrey.lane@canonical.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220208142014.3782820-1-jeffrey.lane@canonical.com> References: <20220208142014.3782820-1-jeffrey.lane@canonical.com> MIME-Version: 1.0 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" From: James Smart BugLink: https://bugs.launchpad.net/bugs/1956982 Dump raw CMF parameter information in debugfs cgn_buffer. Link: https://lore.kernel.org/r/20211204002644.116455-9-jsmart2021@gmail.com Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart Signed-off-by: Martin K. Petersen (cherry picked from commit 6014a2468f0e49194f612b1f09f99eacee0a409a) Signed-off-by: Jeff Lane --- drivers/scsi/lpfc/lpfc_debugfs.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index a11a038e2a85..30fac2f6fb06 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -5484,7 +5484,7 @@ lpfc_cgn_buffer_read(struct file *file, char __user *buf, size_t nbytes, if (len > (LPFC_CGN_BUF_SIZE - LPFC_DEBUG_OUT_LINE_SZ)) { len += scnprintf(buffer + len, LPFC_CGN_BUF_SIZE - len, "Truncated . . .\n"); - break; + goto out; } len += scnprintf(buffer + len, LPFC_CGN_BUF_SIZE - len, "%03x: %08x %08x %08x %08x " @@ -5495,6 +5495,17 @@ lpfc_cgn_buffer_read(struct file *file, char __user *buf, size_t nbytes, cnt += 32; ptr += 8; } + if (len > (LPFC_CGN_BUF_SIZE - LPFC_DEBUG_OUT_LINE_SZ)) { + len += scnprintf(buffer + len, LPFC_CGN_BUF_SIZE - len, + "Truncated . . .\n"); + goto out; + } + len += scnprintf(buffer + len, LPFC_CGN_BUF_SIZE - len, + "Parameter Data\n"); + ptr = (uint32_t *)&phba->cgn_p; + len += scnprintf(buffer + len, LPFC_CGN_BUF_SIZE - len, + "%08x %08x %08x %08x\n", + *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3)); out: return simple_read_from_buffer(buf, nbytes, ppos, buffer, len); }