From patchwork Thu Jun 11 21:37:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Coquelin X-Patchwork-Id: 71300 X-Patchwork-Delegate: maxime.coquelin@redhat.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 7A705A00BE; Thu, 11 Jun 2020 23:40:02 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 0525F5323; Thu, 11 Jun 2020 23:39:12 +0200 (CEST) Received: from us-smtp-delivery-1.mimecast.com (us-smtp-2.mimecast.com [205.139.110.61]) by dpdk.org (Postfix) with ESMTP id 5A4C649E0 for ; Thu, 11 Jun 2020 23:39:10 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1591911549; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=LFlwElZAvmQTR4MsCH8NGc8mQT6EkOQTwBR4A99qIoI=; b=DNq/F2RTrINwn6Q85W0G0jZAZvk2MS+7mFTaa8DZPpqWtt01K51slU19JBv1K7Ve8XpuAT 9GL9S3GryyOKuEN+1mFSEUBp8cHFljMlTmUl2O6Qd0P5wJ3zAMpakbizUSqV2CcYUcHDLk SUIS+EKPXfWLudpq3IkuIL2krNF0Svs= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-144-Ky1HGJbSNCu30N2_v5s3tw-1; Thu, 11 Jun 2020 17:39:08 -0400 X-MC-Unique: Ky1HGJbSNCu30N2_v5s3tw-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B51608015CE; Thu, 11 Jun 2020 21:39:06 +0000 (UTC) Received: from localhost.localdomain (unknown [10.36.110.37]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8A349100238D; Thu, 11 Jun 2020 21:39:03 +0000 (UTC) From: Maxime Coquelin To: dev@dpdk.org, matan@mellanox.com, xiao.w.wang@intel.com, zhihong.wang@intel.com, xiaolong.ye@intel.com, chenbo.xia@intel.com, david.marchand@redhat.com, amorenoz@redhat.com, shreyansh.jain@nxp.com, viacheslavo@mellanox.com, hemant.agrawal@nxp.com, sachin.saxena@nxp.com Cc: Maxime Coquelin Date: Thu, 11 Jun 2020 23:37:48 +0200 Message-Id: <20200611213748.1967029-15-maxime.coquelin@redhat.com> In-Reply-To: <20200611213748.1967029-1-maxime.coquelin@redhat.com> References: <20200611213748.1967029-1-maxime.coquelin@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Subject: [dpdk-dev] [PATCH 14/14] vhost: split vDPA header file 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" This patch split the vDPA header file in two, making rte_vdpa_device structure opaque to the application. Applications should only include rte_vdpa.h, while drivers should include both rte_vdpa.h and rte_vdpa_dev.h. Signed-off-by: Maxime Coquelin --- drivers/vdpa/ifc/ifcvf_vdpa.c | 1 + drivers/vdpa/mlx5/mlx5_vdpa.h | 1 + lib/librte_vhost/Makefile | 3 +- lib/librte_vhost/meson.build | 3 +- lib/librte_vhost/rte_vdpa.h | 130 ------------------------------ lib/librte_vhost/rte_vdpa_dev.h | 135 ++++++++++++++++++++++++++++++++ lib/librte_vhost/vdpa.c | 1 + lib/librte_vhost/vhost.h | 1 + 8 files changed, 143 insertions(+), 132 deletions(-) create mode 100644 lib/librte_vhost/rte_vdpa_dev.h diff --git a/drivers/vdpa/ifc/ifcvf_vdpa.c b/drivers/vdpa/ifc/ifcvf_vdpa.c index a8fdedba06..2f1773633c 100644 --- a/drivers/vdpa/ifc/ifcvf_vdpa.c +++ b/drivers/vdpa/ifc/ifcvf_vdpa.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include #include diff --git a/drivers/vdpa/mlx5/mlx5_vdpa.h b/drivers/vdpa/mlx5/mlx5_vdpa.h index ec8503f543..7d98aa4b3f 100644 --- a/drivers/vdpa/mlx5/mlx5_vdpa.h +++ b/drivers/vdpa/mlx5/mlx5_vdpa.h @@ -12,6 +12,7 @@ #pragma GCC diagnostic ignored "-Wpedantic" #endif #include +#include #include #ifdef PEDANTIC #pragma GCC diagnostic error "-Wpedantic" diff --git a/lib/librte_vhost/Makefile b/lib/librte_vhost/Makefile index e592795f22..b7ff7dc4b3 100644 --- a/lib/librte_vhost/Makefile +++ b/lib/librte_vhost/Makefile @@ -41,7 +41,8 @@ SRCS-$(CONFIG_RTE_LIBRTE_VHOST) := fd_man.c iotlb.c socket.c vhost.c \ vhost_user.c virtio_net.c vdpa.c # install includes -SYMLINK-$(CONFIG_RTE_LIBRTE_VHOST)-include += rte_vhost.h rte_vdpa.h +SYMLINK-$(CONFIG_RTE_LIBRTE_VHOST)-include += rte_vhost.h rte_vdpa.h \ + rte_vdpa_dev.h # only compile vhost crypto when cryptodev is enabled ifeq ($(CONFIG_RTE_LIBRTE_CRYPTODEV),y) diff --git a/lib/librte_vhost/meson.build b/lib/librte_vhost/meson.build index f80632848c..882a0eaf41 100644 --- a/lib/librte_vhost/meson.build +++ b/lib/librte_vhost/meson.build @@ -21,5 +21,6 @@ cflags += '-fno-strict-aliasing' sources = files('fd_man.c', 'iotlb.c', 'socket.c', 'vdpa.c', 'vhost.c', 'vhost_user.c', 'virtio_net.c', 'vhost_crypto.c') -headers = files('rte_vhost.h', 'rte_vdpa.h', 'rte_vhost_crypto.h') +headers = files('rte_vhost.h', 'rte_vdpa.h', 'rte_vdpa_dev.h', + 'rte_vhost_crypto.h') deps += ['ethdev', 'cryptodev', 'hash', 'pci'] diff --git a/lib/librte_vhost/rte_vdpa.h b/lib/librte_vhost/rte_vdpa.h index 25c218d0c4..5bb8462efa 100644 --- a/lib/librte_vhost/rte_vdpa.h +++ b/lib/librte_vhost/rte_vdpa.h @@ -11,100 +11,8 @@ * Device specific vhost lib */ -#include - -#include -#include "rte_vhost.h" - -#define MAX_VDPA_NAME_LEN 128 - struct rte_vdpa_device; -/** - * vdpa device operations - */ -struct rte_vdpa_dev_ops { - /** Get capabilities of this device */ - int (*get_queue_num)(struct rte_vdpa_device *dev, uint32_t *queue_num); - - /** Get supported features of this device */ - int (*get_features)(struct rte_vdpa_device *dev, uint64_t *features); - - /** Get supported protocol features of this device */ - int (*get_protocol_features)(struct rte_vdpa_device *dev, - uint64_t *protocol_features); - - /** Driver configure/close the device */ - int (*dev_conf)(int vid); - int (*dev_close)(int vid); - - /** Enable/disable this vring */ - int (*set_vring_state)(int vid, int vring, int state); - - /** Set features when changed */ - int (*set_features)(int vid); - - /** Destination operations when migration done */ - int (*migration_done)(int vid); - - /** Get the vfio group fd */ - int (*get_vfio_group_fd)(int vid); - - /** Get the vfio device fd */ - int (*get_vfio_device_fd)(int vid); - - /** Get the notify area info of the queue */ - int (*get_notify_area)(int vid, int qid, - uint64_t *offset, uint64_t *size); - - /** Reserved for future extension */ - void *reserved[5]; -}; - -/** - * vdpa device structure includes device address and device operations. - */ -struct rte_vdpa_device { - TAILQ_ENTRY(rte_vdpa_device) next; - /** Generic device information */ - struct rte_device *device; - /** vdpa device operations */ - struct rte_vdpa_dev_ops *ops; -} __rte_cache_aligned; - -/** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * - * Register a vdpa device - * - * @param addr - * the vdpa device address - * @param ops - * the vdpa device operations - * @return - * vDPA device pointer on success, NULL on failure - */ -__rte_experimental -struct rte_vdpa_device * -rte_vdpa_register_device(struct rte_device *rte_dev, - struct rte_vdpa_dev_ops *ops); - -/** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * - * Unregister a vdpa device - * - * @param did - * vDPA device pointer - * @return - * device id on success, -1 on failure - */ -__rte_experimental -int -rte_vdpa_unregister_device(struct rte_vdpa_device *); - /** * @warning * @b EXPERIMENTAL: this API may change without prior notice @@ -135,44 +43,6 @@ __rte_experimental struct rte_device * rte_vdpa_get_rte_device(struct rte_vdpa_device *vdpa_dev); -/** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * - * Enable/Disable host notifier mapping for a vdpa port. - * - * @param vid - * vhost device id - * @param enable - * true for host notifier map, false for host notifier unmap - * @return - * 0 on success, -1 on failure - */ -__rte_experimental -int -rte_vhost_host_notifier_ctrl(int vid, bool enable); - -/** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * - * Synchronize the used ring from mediated ring to guest, log dirty - * page for each writeable buffer, caller should handle the used - * ring logging before device stop. - * - * @param vid - * vhost device id - * @param qid - * vhost queue id - * @param vring_m - * mediated virtio ring pointer - * @return - * number of synced used entries on success, -1 on failure - */ -__rte_experimental -int -rte_vdpa_relay_vring_used(int vid, uint16_t qid, void *vring_m); - /** * @warning * @b EXPERIMENTAL: this API may change without prior notice diff --git a/lib/librte_vhost/rte_vdpa_dev.h b/lib/librte_vhost/rte_vdpa_dev.h new file mode 100644 index 0000000000..7ddfca24e4 --- /dev/null +++ b/lib/librte_vhost/rte_vdpa_dev.h @@ -0,0 +1,135 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Intel Corporation + */ + +#ifndef _RTE_VDPA_H_DEV_ +#define _RTE_VDPA_H_DEV_ + +#include + +#include "rte_vhost.h" + +/** + * vdpa device operations + */ +struct rte_vdpa_dev_ops { + /** Get capabilities of this device */ + int (*get_queue_num)(struct rte_vdpa_device *dev, uint32_t *queue_num); + + /** Get supported features of this device */ + int (*get_features)(struct rte_vdpa_device *dev, uint64_t *features); + + /** Get supported protocol features of this device */ + int (*get_protocol_features)(struct rte_vdpa_device *dev, + uint64_t *protocol_features); + + /** Driver configure/close the device */ + int (*dev_conf)(int vid); + int (*dev_close)(int vid); + + /** Enable/disable this vring */ + int (*set_vring_state)(int vid, int vring, int state); + + /** Set features when changed */ + int (*set_features)(int vid); + + /** Destination operations when migration done */ + int (*migration_done)(int vid); + + /** Get the vfio group fd */ + int (*get_vfio_group_fd)(int vid); + + /** Get the vfio device fd */ + int (*get_vfio_device_fd)(int vid); + + /** Get the notify area info of the queue */ + int (*get_notify_area)(int vid, int qid, + uint64_t *offset, uint64_t *size); + + /** Reserved for future extension */ + void *reserved[5]; +}; + +/** + * vdpa device structure includes device address and device operations. + */ +struct rte_vdpa_device { + TAILQ_ENTRY(rte_vdpa_device) next; + /** Generic device information */ + struct rte_device *device; + /** vdpa device operations */ + struct rte_vdpa_dev_ops *ops; +}; + +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice + * + * Register a vdpa device + * + * @param rte_dev + * the generic device pointer + * @param ops + * the vdpa device operations + * @return + * vDPA device pointer on success, NULL on failure + */ +__rte_experimental +struct rte_vdpa_device * +rte_vdpa_register_device(struct rte_device *rte_dev, + struct rte_vdpa_dev_ops *ops); + +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice + * + * Unregister a vdpa device + * + * @param dev + * vDPA device pointer + * @return + * device id on success, -1 on failure + */ +__rte_experimental +int +rte_vdpa_unregister_device(struct rte_vdpa_device *dev); + +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice + * + * Enable/Disable host notifier mapping for a vdpa port. + * + * @param vid + * vhost device id + * @param enable + * true for host notifier map, false for host notifier unmap + * @return + * 0 on success, -1 on failure + */ +__rte_experimental +int +rte_vhost_host_notifier_ctrl(int vid, bool enable); + +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice + * + * Synchronize the used ring from mediated ring to guest, log dirty + * page for each writeable buffer, caller should handle the used + * ring logging before device stop. + * + * @param vid + * vhost device id + * @param qid + * vhost queue id + * @param vring_m + * mediated virtio ring pointer + * @return + * number of synced used entries on success, -1 on failure + */ +__rte_experimental +int +rte_vdpa_relay_vring_used(int vid, uint16_t qid, void *vring_m); + +#endif /* _RTE_VDPA_DEV_H_ */ diff --git a/lib/librte_vhost/vdpa.c b/lib/librte_vhost/vdpa.c index 3d2f6e2623..283294c25e 100644 --- a/lib/librte_vhost/vdpa.c +++ b/lib/librte_vhost/vdpa.c @@ -17,6 +17,7 @@ #include #include "rte_vdpa.h" +#include "rte_vdpa_dev.h" #include "vhost.h" /** Double linked list of vDPA devices. */ diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h index 819857a65a..941a42637e 100644 --- a/lib/librte_vhost/vhost.h +++ b/lib/librte_vhost/vhost.h @@ -22,6 +22,7 @@ #include "rte_vhost.h" #include "rte_vdpa.h" +#include "rte_vdpa_dev.h" /* Used to indicate that the device is running on a data core */ #define VIRTIO_DEV_RUNNING 1