From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E8EA1C282C2 for ; Thu, 7 Feb 2019 13:02:43 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9EDE521904 for ; Thu, 7 Feb 2019 13:02:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9EDE521904 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 43wJPs4PmGzDqQg for ; Fri, 8 Feb 2019 00:02:41 +1100 (AEDT) Received: from ozlabs.org (bilbo.ozlabs.org [203.11.71.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 43wJ3h4dJSzDqRk for ; Thu, 7 Feb 2019 23:46:56 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: by ozlabs.org (Postfix) id 43wJ3g73kZz9sNL; Thu, 7 Feb 2019 23:46:55 +1100 (AEDT) Received: by ozlabs.org (Postfix, from userid 1034) id 43wJ3g4cNBz9sNJ; Thu, 7 Feb 2019 23:46:55 +1100 (AEDT) From: Michael Ellerman To: linuxppc-dev@ozlabs.org Subject: [PATCH v3 6/7] powerpc/powernv: Add opal details to dump stack arch description Date: Thu, 7 Feb 2019 23:46:34 +1100 Message-Id: <20190207124635.3885-6-mpe@ellerman.id.au> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190207124635.3885-1-mpe@ellerman.id.au> References: <20190207124635.3885-1-mpe@ellerman.id.au> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, pmladek@suse.com, linux-kernel@vger.kernel.org, sergey.senozhatsky@gmail.com, tj@kernel.org, akpm@linux-foundation.org, dyoung@redhat.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Once we have unflattened the device tree we can easily grab these opal version details and add them to dump stack arch description, which is printed in case of an oops. eg: Hardware name: ... opal:v6.2 Signed-off-by: Michael Ellerman --- arch/powerpc/platforms/powernv/setup.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c index 14befee4b3f1..1bfb422436fb 100644 --- a/arch/powerpc/platforms/powernv/setup.c +++ b/arch/powerpc/platforms/powernv/setup.c @@ -156,8 +156,33 @@ static void __init pnv_setup_arch(void) /* XXX PMCS */ } +static void __init pnv_add_dump_stack_arch_desc(void) +{ + struct device_node *dn; + const char *version; + + dn = of_find_node_by_path("/ibm,opal/firmware"); + if (!dn) + return; + + version = of_get_property(dn, "version", NULL); + if (!version) + version = of_get_property(dn, "git-id", NULL); + + if (version) + dump_stack_add_arch_desc("opal:%s", version); + + version = of_get_property(dn, "mi-version", NULL); + if (version) + dump_stack_add_arch_desc("mi:%s", version); + + of_node_put(dn); +} + static void __init pnv_init(void) { + pnv_add_dump_stack_arch_desc(); + /* * Initialize the LPC bus now so that legacy serial * ports can be found on it -- 2.20.1