From patchwork Sat Dec 17 10:43:16 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Wang, Wei W" X-Patchwork-Id: 9478951 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B5AF060237 for ; Sat, 17 Dec 2016 11:00:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B5EA72858A for ; Sat, 17 Dec 2016 11:00:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AA18D285A3; Sat, 17 Dec 2016 11:00:29 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 5941B2858A for ; Sat, 17 Dec 2016 11:00:29 +0000 (UTC) Received: from localhost ([::1]:36033 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cICj6-00086R-9J for patchwork-qemu-devel@patchwork.kernel.org; Sat, 17 Dec 2016 06:00:28 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53161) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cICUH-0007GP-Au for qemu-devel@nongnu.org; Sat, 17 Dec 2016 05:45:10 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cICUG-00080n-Ei for qemu-devel@nongnu.org; Sat, 17 Dec 2016 05:45:09 -0500 Received: from mga05.intel.com ([192.55.52.43]:21540) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cICUG-0007ss-4l for qemu-devel@nongnu.org; Sat, 17 Dec 2016 05:45:08 -0500 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga105.fm.intel.com with ESMTP; 17 Dec 2016 02:45:07 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos; i="5.33,363,1477983600"; d="scan'208"; a="1073174383" Received: from devel-ww.sh.intel.com ([10.239.48.105]) by orsmga001.jf.intel.com with ESMTP; 17 Dec 2016 02:45:06 -0800 From: Wei Wang To: marcandre.lureau@gmail.com, mst@redhat.com, stefanha@redhat.com, pbonzini@redhat.com, qemu-devel@nongnu.org, virtio-dev@lists.oasis-open.org Date: Sat, 17 Dec 2016 18:43:16 +0800 Message-Id: <1481971427-11094-7-git-send-email-wei.w.wang@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1481971427-11094-1-git-send-email-wei.w.wang@intel.com> References: <1481971427-11094-1-git-send-email-wei.w.wang@intel.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.43 Subject: [Qemu-devel] [PATCH v1 06/37] vhost-pci-slave: set up the fundamental handlers for the server socket X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Wei Wang Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Wei Wang --- hw/virtio/vhost-pci-slave.c | 53 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/hw/virtio/vhost-pci-slave.c b/hw/virtio/vhost-pci-slave.c index 5ff9a09..2278f63 100644 --- a/hw/virtio/vhost-pci-slave.c +++ b/hw/virtio/vhost-pci-slave.c @@ -15,9 +15,59 @@ #include "qapi/error.h" #include "qemu/error-report.h" #include "hw/virtio/vhost-pci-slave.h" +#include "hw/virtio/vhost-user.h" VhostPCISlave *vp_slave; +static void vp_slave_event(void *opaque, int event) +{ + switch (event) { + case CHR_EVENT_OPENED: + break; + case CHR_EVENT_CLOSED: + break; + } +} + +static int vp_slave_can_read(void *opaque) +{ + return VHOST_USER_HDR_SIZE; +} + +static void vp_slave_read(void *opaque, const uint8_t *buf, int size) +{ + VhostUserMsg msg; + uint8_t *p = (uint8_t *) &msg; + CharBackend *chr_be = (CharBackend *)opaque; + + if (size != VHOST_USER_HDR_SIZE) { + error_report("Wrong message size received %d", size); + return; + } + + memcpy(p, buf, VHOST_USER_HDR_SIZE); + + if (msg.size) { + p += VHOST_USER_HDR_SIZE; + size = qemu_chr_fe_read_all(chr_be, p, msg.size); + if (size != msg.size) { + error_report("Wrong message size received %d != %d", + size, msg.size); + return; + } + } + + if (msg.request > VHOST_USER_MAX) + error_report("vhost-pci-slave read incorrect msg"); + + switch(msg.request) { + default: + error_report("vhost-pci-slave does not support msg request = %d", + msg.request); + break; + } +} + static CharDriverState *vp_slave_parse_chardev(const char *id) { CharDriverState *chr = qemu_chr_find(id); @@ -40,6 +90,9 @@ int vhost_pci_slave_init(QemuOpts *opts) return -1; } qemu_chr_fe_init(&vp_slave->chr_be, chr, &error_abort); + qemu_chr_fe_set_handlers(&vp_slave->chr_be, vp_slave_can_read, + vp_slave_read, vp_slave_event, + &vp_slave->chr_be, NULL, true); return 0; }