From patchwork Thu Nov 16 08:03:57 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Rybchenko X-Patchwork-Id: 31392 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id D51F31B279; Thu, 16 Nov 2017 09:05:08 +0100 (CET) Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [67.231.154.164]) by dpdk.org (Postfix) with ESMTP id DB24B1B22A for ; Thu, 16 Nov 2017 09:04:58 +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 4E68C20050 for ; Thu, 16 Nov 2017 08:04:58 +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 1966C40070 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 E5427140059 for ; Thu, 16 Nov 2017 08:04:57 +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 vAG84qUf016633; 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 vAG84qtg006905; Thu, 16 Nov 2017 08:04:52 GMT From: Andrew Rybchenko To: CC: Andy Moreton Date: Thu, 16 Nov 2017 08:03:57 +0000 Message-ID: <1510819481-6809-10-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 X-MDID: 1510819498-GxgFPr8-xvwH Subject: [dpdk-dev] [PATCH 09/53] net/sfc/base: check NVRAM locking by partition ID 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Andy Moreton Tracking which partition is locked avoids being overly conservative when EFX_NVRAM_xxx maps to more than one partition (depnding on the current port number). Signed-off-by: Andy Moreton Signed-off-by: Andrew Rybchenko --- drivers/net/sfc/base/efx_impl.h | 6 +++++- drivers/net/sfc/base/efx_nvram.c | 40 +++++++++++++++++++++------------------- 2 files changed, 26 insertions(+), 20 deletions(-) diff --git a/drivers/net/sfc/base/efx_impl.h b/drivers/net/sfc/base/efx_impl.h index 6cb015a..7b07f34 100644 --- a/drivers/net/sfc/base/efx_impl.h +++ b/drivers/net/sfc/base/efx_impl.h @@ -461,6 +461,10 @@ typedef struct efx_mcdi_s { #endif /* EFSYS_OPT_MCDI */ #if EFSYS_OPT_NVRAM + +/* Invalid partition ID for en_nvram_partn_locked field of efx_nc_t */ +#define EFX_NVRAM_PARTN_INVALID (0xffffffffu) + typedef struct efx_nvram_ops_s { #if EFSYS_OPT_DIAG efx_rc_t (*envo_test)(efx_nic_t *); @@ -648,7 +652,7 @@ struct efx_nic_s { efx_mcdi_t en_mcdi; #endif /* EFSYS_OPT_MCDI */ #if EFSYS_OPT_NVRAM - efx_nvram_type_t en_nvram_locked; + uint32_t en_nvram_partn_locked; const efx_nvram_ops_t *en_envop; #endif /* EFSYS_OPT_NVRAM */ #if EFSYS_OPT_VPD diff --git a/drivers/net/sfc/base/efx_nvram.c b/drivers/net/sfc/base/efx_nvram.c index 6e22169..a2b0e05 100644 --- a/drivers/net/sfc/base/efx_nvram.c +++ b/drivers/net/sfc/base/efx_nvram.c @@ -112,6 +112,8 @@ efx_nvram_init( enp->en_envop = envop; enp->en_mod_flags |= EFX_MOD_NVRAM; + enp->en_nvram_partn_locked = EFX_NVRAM_PARTN_INVALID; + return (0); fail1: @@ -227,15 +229,15 @@ efx_nvram_rw_start( EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES); EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID); - EFSYS_ASSERT3U(enp->en_nvram_locked, ==, EFX_NVRAM_INVALID); - if ((rc = envop->envo_type_to_partn(enp, type, &partn)) != 0) goto fail1; + EFSYS_ASSERT3U(enp->en_nvram_partn_locked, ==, EFX_NVRAM_PARTN_INVALID); + if ((rc = envop->envo_partn_rw_start(enp, partn, chunk_sizep)) != 0) goto fail2; - enp->en_nvram_locked = type; + enp->en_nvram_partn_locked = partn; return (0); @@ -265,11 +267,11 @@ efx_nvram_read_chunk( EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES); EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID); - EFSYS_ASSERT3U(enp->en_nvram_locked, ==, type); - if ((rc = envop->envo_type_to_partn(enp, type, &partn)) != 0) goto fail1; + EFSYS_ASSERT3U(enp->en_nvram_partn_locked, ==, partn); + if ((rc = envop->envo_partn_read(enp, partn, offset, data, size)) != 0) goto fail2; @@ -300,11 +302,11 @@ efx_nvram_erase( EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES); EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID); - EFSYS_ASSERT3U(enp->en_nvram_locked, ==, type); - if ((rc = envop->envo_type_to_partn(enp, type, &partn)) != 0) goto fail1; + EFSYS_ASSERT3U(enp->en_nvram_partn_locked, ==, partn); + if ((rc = envop->envo_partn_size(enp, partn, &size)) != 0) goto fail2; @@ -341,11 +343,11 @@ efx_nvram_write_chunk( EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES); EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID); - EFSYS_ASSERT3U(enp->en_nvram_locked, ==, type); - if ((rc = envop->envo_type_to_partn(enp, type, &partn)) != 0) goto fail1; + EFSYS_ASSERT3U(enp->en_nvram_partn_locked, ==, partn); + if ((rc = envop->envo_partn_write(enp, partn, offset, data, size)) != 0) goto fail2; @@ -376,15 +378,15 @@ efx_nvram_rw_finish( EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES); EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID); - EFSYS_ASSERT3U(enp->en_nvram_locked, ==, type); - if ((rc = envop->envo_type_to_partn(enp, type, &partn)) != 0) goto fail1; + EFSYS_ASSERT3U(enp->en_nvram_partn_locked, ==, partn); + if ((rc = envop->envo_partn_rw_finish(enp, partn, &verify_result)) != 0) goto fail2; - enp->en_nvram_locked = EFX_NVRAM_INVALID; + enp->en_nvram_partn_locked = EFX_NVRAM_PARTN_INVALID; if (verify_resultp != NULL) *verify_resultp = verify_result; @@ -393,7 +395,7 @@ efx_nvram_rw_finish( fail2: EFSYS_PROBE(fail2); - enp->en_nvram_locked = EFX_NVRAM_INVALID; + enp->en_nvram_partn_locked = EFX_NVRAM_PARTN_INVALID; fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); @@ -421,15 +423,15 @@ efx_nvram_set_version( EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES); + if ((rc = envop->envo_type_to_partn(enp, type, &partn)) != 0) + goto fail1; + /* * The Siena implementation of envo_set_version() will attempt to - * acquire the NVRAM_UPDATE lock for the DYNAMIC_CONFIG sector. + * acquire the NVRAM_UPDATE lock for the DYNAMIC_CONFIG partition. * Therefore, you can't have already acquired the NVRAM_UPDATE lock. */ - EFSYS_ASSERT3U(enp->en_nvram_locked, ==, EFX_NVRAM_INVALID); - - if ((rc = envop->envo_type_to_partn(enp, type, &partn)) != 0) - goto fail1; + EFSYS_ASSERT3U(enp->en_nvram_partn_locked, ==, EFX_NVRAM_PARTN_INVALID); if ((rc = envop->envo_partn_set_version(enp, partn, version)) != 0) goto fail2; @@ -490,7 +492,7 @@ efx_nvram_fini( EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE); EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM); - EFSYS_ASSERT3U(enp->en_nvram_locked, ==, EFX_NVRAM_INVALID); + EFSYS_ASSERT3U(enp->en_nvram_partn_locked, ==, EFX_NVRAM_PARTN_INVALID); enp->en_envop = NULL; enp->en_mod_flags &= ~EFX_MOD_NVRAM;