From patchwork Fri Sep 17 15:24:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Laatz X-Patchwork-Id: 99212 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 4B978A0C43; Fri, 17 Sep 2021 17:24:56 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 2CB4E41147; Fri, 17 Sep 2021 17:24:52 +0200 (CEST) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by mails.dpdk.org (Postfix) with ESMTP id A0CDB406B4 for ; Fri, 17 Sep 2021 17:24:49 +0200 (CEST) X-IronPort-AV: E=McAfee;i="6200,9189,10110"; a="222475986" X-IronPort-AV: E=Sophos;i="5.85,301,1624345200"; d="scan'208";a="222475986" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Sep 2021 08:24:49 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,301,1624345200"; d="scan'208";a="651909739" Received: from silpixa00401122.ir.intel.com ([10.55.128.10]) by orsmga005.jf.intel.com with ESMTP; 17 Sep 2021 08:24:47 -0700 From: Kevin Laatz To: dev@dpdk.org Cc: bruce.richardson@intel.com, fengchengwen@huawei.com, jerinj@marvell.com, conor.walsh@intel.com, Kevin Laatz Date: Fri, 17 Sep 2021 15:24:22 +0000 Message-Id: <20210917152437.3270330-2-kevin.laatz@intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210917152437.3270330-1-kevin.laatz@intel.com> References: <20210827172048.558704-1-kevin.laatz@intel.com> <20210917152437.3270330-1-kevin.laatz@intel.com> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH v5 01/16] raw/ioat: only build if dmadev not present X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 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: Bruce Richardson Only build the rawdev IDXD/IOAT drivers if the dmadev drivers are not present. A not is also added to the documentation to inform users of this change. Signed-off-by: Bruce Richardson Signed-off-by: Kevin Laatz Reviewed-by: Conor Walsh --- v4: - Fix build issue - Add note in raw documentation to outline this change --- doc/guides/rawdevs/ioat.rst | 7 +++++++ drivers/meson.build | 2 +- drivers/raw/ioat/meson.build | 23 ++++++++++++++++++++--- 3 files changed, 28 insertions(+), 4 deletions(-) diff --git a/doc/guides/rawdevs/ioat.rst b/doc/guides/rawdevs/ioat.rst index a28e909935..4fc327f1a4 100644 --- a/doc/guides/rawdevs/ioat.rst +++ b/doc/guides/rawdevs/ioat.rst @@ -34,6 +34,13 @@ Compilation For builds using ``meson`` and ``ninja``, the driver will be built when the target platform is x86-based. No additional compilation steps are necessary. +.. note:: + Since the addition of the DMAdev library, the ``ioat`` and ``idxd`` parts of this driver + will only be built if their ``DMAdev`` counterparts are not built. The following can be used + to disable the ``DMAdev`` drivers, if the raw drivers are to be used instead:: + + $ meson -Ddisable_drivers=dma/* + Device Setup ------------- diff --git a/drivers/meson.build b/drivers/meson.build index b7d680868a..27ff10a9fc 100644 --- a/drivers/meson.build +++ b/drivers/meson.build @@ -10,6 +10,7 @@ subdirs = [ 'common/qat', # depends on bus. 'common/sfc_efx', # depends on bus. 'mempool', # depends on common and bus. + 'dma', # depends on common and bus. 'net', # depends on common, bus, mempool 'raw', # depends on common, bus and net. 'crypto', # depends on common, bus and mempool (net in future). @@ -18,7 +19,6 @@ subdirs = [ 'vdpa', # depends on common, bus and mempool. 'event', # depends on common, bus, mempool and net. 'baseband', # depends on common and bus. - 'dma', # depends on common and bus. ] if meson.is_cross_build() diff --git a/drivers/raw/ioat/meson.build b/drivers/raw/ioat/meson.build index 0e81cb5951..9be9d8cc65 100644 --- a/drivers/raw/ioat/meson.build +++ b/drivers/raw/ioat/meson.build @@ -2,14 +2,31 @@ # Copyright 2019 Intel Corporation build = dpdk_conf.has('RTE_ARCH_X86') +# only use ioat rawdev driver if we don't have the equivalent dmadev ones +if dpdk_conf.has('RTE_DMA_IDXD') and dpdk_conf.has('RTE_DMA_IOAT') + build = false + subdir_done() +endif + reason = 'only supported on x86' sources = files( - 'idxd_bus.c', - 'idxd_pci.c', 'ioat_common.c', - 'ioat_rawdev.c', 'ioat_rawdev_test.c', ) + +if not dpdk_conf.has('RTE_DMA_IDXD') + sources += files( + 'idxd_bus.c', + 'idxd_pci.c', + ) +endif + +if not dpdk_conf.has('RTE_DMA_IOAT') + sources += files ( + 'ioat_rawdev.c', + ) +endif + deps += ['bus_pci', 'mbuf', 'rawdev'] headers = files( 'rte_ioat_rawdev.h',