From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id 5861D1B5F9; Tue, 9 Oct 2018 22:55:59 +0200 (CEST) Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A416B368E7; Tue, 9 Oct 2018 20:55:58 +0000 (UTC) Received: from localhost.localdomain (unknown [10.36.112.13]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8F148752DE; Tue, 9 Oct 2018 20:55:54 +0000 (UTC) From: Maxime Coquelin To: dev@dpdk.org, tiwei.bie@intel.com, zhihong.wang@intel.com, jfreimann@redhat.com, nicknickolaev@gmail.com, i.maximets@samsung.com, bruce.richardson@intel.com, alejandro.lucero@netronome.com Cc: dgilbert@redhat.com, stable@dpdk.org, Maxime Coquelin Date: Tue, 9 Oct 2018 22:54:19 +0200 Message-Id: <20181009205426.21219-13-maxime.coquelin@redhat.com> In-Reply-To: <20181009205426.21219-1-maxime.coquelin@redhat.com> References: <20181009205426.21219-1-maxime.coquelin@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Tue, 09 Oct 2018 20:55:58 +0000 (UTC) Subject: [dpdk-stable] [PATCH v5 12/19] vhost: add support for postcopy's listen message X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Oct 2018 20:55:59 -0000 Signed-off-by: Dr. David Alan Gilbert Signed-off-by: Maxime Coquelin --- lib/librte_vhost/vhost.h | 1 + lib/librte_vhost/vhost_user.c | 21 +++++++++++++++++++++ lib/librte_vhost/vhost_user.h | 3 ++- 3 files changed, 24 insertions(+), 1 deletion(-) diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h index 4c591a410..702be37ff 100644 --- a/lib/librte_vhost/vhost.h +++ b/lib/librte_vhost/vhost.h @@ -359,6 +359,7 @@ struct virtio_net { rte_spinlock_t slave_req_lock; int postcopy_ufd; + int postcopy_listening; /* * Device id to identify a specific backend device. diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c index 651320f9a..35fb4a773 100644 --- a/lib/librte_vhost/vhost_user.c +++ b/lib/librte_vhost/vhost_user.c @@ -76,6 +76,7 @@ static const char *vhost_message_str[VHOST_USER_MAX] = { [VHOST_USER_CRYPTO_CREATE_SESS] = "VHOST_USER_CRYPTO_CREATE_SESS", [VHOST_USER_CRYPTO_CLOSE_SESS] = "VHOST_USER_CRYPTO_CLOSE_SESS", [VHOST_USER_POSTCOPY_ADVISE] = "VHOST_USER_POSTCOPY_ADVISE", + [VHOST_USER_POSTCOPY_LISTEN] = "VHOST_USER_POSTCOPY_LISTEN", }; static uint64_t @@ -132,6 +133,8 @@ vhost_backend_cleanup(struct virtio_net *dev) close(dev->postcopy_ufd); dev->postcopy_ufd = -1; } + + dev->postcopy_listening = 0; } /* @@ -1549,6 +1552,23 @@ vhost_user_set_postcopy_advise(struct virtio_net **pdev, #endif } +static int +vhost_user_set_postcopy_listen(struct virtio_net **pdev, + struct VhostUserMsg *msg __rte_unused, + int main_fd __rte_unused) +{ + struct virtio_net *dev = *pdev; + + if (dev->mem && dev->mem->nregions) { + RTE_LOG(ERR, VHOST_CONFIG, + "Regions already registered at postcopy-listen\n"); + return VH_RESULT_ERR; + } + dev->postcopy_listening = 1; + + return VH_RESULT_OK; +} + typedef int (*vhost_message_handler_t)(struct virtio_net **pdev, struct VhostUserMsg *msg, int main_fd); @@ -1577,6 +1597,7 @@ static vhost_message_handler_t vhost_message_handlers[VHOST_USER_MAX] = { [VHOST_USER_SET_SLAVE_REQ_FD] = vhost_user_set_req_fd, [VHOST_USER_IOTLB_MSG] = vhost_user_iotlb_msg, [VHOST_USER_POSTCOPY_ADVISE] = vhost_user_set_postcopy_advise, + [VHOST_USER_POSTCOPY_LISTEN] = vhost_user_set_postcopy_listen, }; diff --git a/lib/librte_vhost/vhost_user.h b/lib/librte_vhost/vhost_user.h index 04295d9a6..9c5cde639 100644 --- a/lib/librte_vhost/vhost_user.h +++ b/lib/librte_vhost/vhost_user.h @@ -51,7 +51,8 @@ typedef enum VhostUserRequest { VHOST_USER_CRYPTO_CREATE_SESS = 26, VHOST_USER_CRYPTO_CLOSE_SESS = 27, VHOST_USER_POSTCOPY_ADVISE = 28, - VHOST_USER_MAX = 29 + VHOST_USER_POSTCOPY_LISTEN = 29, + VHOST_USER_MAX = 30 } VhostUserRequest; typedef enum VhostUserSlaveRequest { -- 2.17.1