From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [67.231.154.164]) by dpdk.org (Postfix) with ESMTP id 844681B268 for ; Thu, 16 Nov 2017 09:04:59 +0100 (CET) Received: from pure.maildistiller.com (unknown [10.110.50.29]) by dispatch1-us1.ppe-hosted.com (Proofpoint Essentials ESMTP Server) with ESMTP id 2900020054 for ; Thu, 16 Nov 2017 08:04:59 +0000 (UTC) X-Virus-Scanned: Proofpoint Essentials engine Received: from mx1-us4.ppe-hosted.com (unknown [10.110.49.251]) by pure.maildistiller.com (Proofpoint Essentials ESMTP Server) with ESMTPS id B76BA220054 for ; Thu, 16 Nov 2017 08:04:58 +0000 (UTC) Received: from webmail.solarflare.com (webmail.solarflare.com [12.187.104.26]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1-us4.ppe-hosted.com (Proofpoint Essentials ESMTP Server) with ESMTPS id 8D14FB40076 for ; Thu, 16 Nov 2017 08:04:58 +0000 (UTC) Received: from ocex03.SolarFlarecom.com (10.20.40.36) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1044.25; Thu, 16 Nov 2017 00:04:54 -0800 Received: from opal.uk.solarflarecom.com (10.17.10.1) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1044.25 via Frontend Transport; Thu, 16 Nov 2017 00:04:54 -0800 Received: from uklogin.uk.solarflarecom.com (uklogin.uk.solarflarecom.com [10.17.10.10]) by opal.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id vAG84qRh016637; Thu, 16 Nov 2017 08:04:52 GMT Received: from uklogin.uk.solarflarecom.com (localhost.localdomain [127.0.0.1]) by uklogin.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id vAG84qth006905; Thu, 16 Nov 2017 08:04:52 GMT From: Andrew Rybchenko To: CC: Andy Moreton Date: Thu, 16 Nov 2017 08:03:58 +0000 Message-ID: <1510819481-6809-11-git-send-email-arybchenko@solarflare.com> X-Mailer: git-send-email 1.8.2.3 In-Reply-To: <1510819481-6809-1-git-send-email-arybchenko@solarflare.com> References: <1510819481-6809-1-git-send-email-arybchenko@solarflare.com> MIME-Version: 1.0 Content-Type: text/plain X-MDID: 1510819499-3Y67LTUqLOJR Subject: [dpdk-dev] [PATCH 10/53] net/sfc/base: report correct partition write chunk size X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Nov 2017 08:05:00 -0000 From: Andy Moreton If the firmware reports a non-zero write chunk size then nvram writes may fail if a different granularity is used (e.g. for MUM firmware on Sorrento). Signed-off-by: Andy Moreton Signed-off-by: Andrew Rybchenko --- drivers/net/sfc/base/ef10_nvram.c | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/drivers/net/sfc/base/ef10_nvram.c b/drivers/net/sfc/base/ef10_nvram.c index fdd7646..a70838b 100644 --- a/drivers/net/sfc/base/ef10_nvram.c +++ b/drivers/net/sfc/base/ef10_nvram.c @@ -2310,16 +2310,27 @@ ef10_nvram_partn_rw_start( __in uint32_t partn, __out size_t *chunk_sizep) { + uint32_t write_size = 0; efx_rc_t rc; - if ((rc = ef10_nvram_partn_lock(enp, partn)) != 0) + if ((rc = efx_mcdi_nvram_info(enp, partn, NULL, NULL, + NULL, &write_size)) != 0) goto fail1; - if (chunk_sizep != NULL) - *chunk_sizep = EF10_NVRAM_CHUNK; + if ((rc = ef10_nvram_partn_lock(enp, partn)) != 0) + goto fail2; + + if (chunk_sizep != NULL) { + if (write_size == 0) + *chunk_sizep = EF10_NVRAM_CHUNK; + else + *chunk_sizep = write_size; + } return (0); +fail2: + EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); -- 2.7.4