From nobody Sun Apr 28 15:46:11 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1510304888124577.6207553845608; Fri, 10 Nov 2017 01:08:08 -0800 (PST) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C75C537E80; Fri, 10 Nov 2017 09:08:05 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 775A36FDB2; Fri, 10 Nov 2017 09:08:04 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 82CAC4BB79; Fri, 10 Nov 2017 09:08:01 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id vAA980o7010238 for ; Fri, 10 Nov 2017 04:08:00 -0500 Received: by smtp.corp.redhat.com (Postfix) id 0C77260F87; Fri, 10 Nov 2017 09:08:00 +0000 (UTC) Received: from mx1.redhat.com (ext-mx09.extmail.prod.ext.phx2.redhat.com [10.5.110.38]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 060C860E3D for ; Fri, 10 Nov 2017 09:07:57 +0000 (UTC) Received: from m15-114.126.com (m15-114.126.com [220.181.15.114]) by mx1.redhat.com (Postfix) with ESMTP id CBBD34ACAC for ; Fri, 10 Nov 2017 09:07:51 +0000 (UTC) Received: from localhost.localdomain (unknown [58.213.111.46]) by smtp7 (Coremail) with SMTP id DsmowADXMMQlZQVaQ6q+Bg--.28785S2; Fri, 10 Nov 2017 16:37:01 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=126.com; s=s110527; h=From:Subject:Date:Message-Id; bh=HDD7EuhRrBu8glY+jM Sf9Dd/v/bnX3BGg5wQkupVxTY=; b=mFurWXV/jWdMui9t0PpenJ67P/7LTploqc 30hbqIhyctHY1XswwOA8909xwxQm49Na9JW4SEhYxW5x+om2QCZ+gIxuqV1rhXll Noxr0D/943PUsRrJbd1uoO7sZePv6yjOwWSc4IDJ+j9z0XnEuIIEakqX10fCoTJb IunaGNYwU= From: Chen Hanxiao To: libvir-list@redhat.com Date: Fri, 10 Nov 2017 16:35:59 +0800 Message-Id: <20171110083559.21660-1-chen_han_xiao@126.com> X-CM-TRANSID: DsmowADXMMQlZQVaQ6q+Bg--.28785S2 X-Coremail-Antispam: 1Uf129KBjvJXoWxtFy8XF4xtw1xZw4kAFy3XFb_yoW7trWxpF WrAa4rtrW5Xw4I9rsagayUuF1rAa4vgr4DKw43Wr1Iqw13Jr4kWF1Svryjvry5KFsxtF42 934Iv3yDu3Z8KFJanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07jJ9NsUUUUU= X-Originating-IP: [58.213.111.46] X-CM-SenderInfo: xfkh0spkdqs5xldrqiyswou0bp/1tbikRaMrlP7MDR5PAAAsM X-Greylist: Delayed for 00:30:49 by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Fri, 10 Nov 2017 09:07:56 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Fri, 10 Nov 2017 09:07:56 +0000 (UTC) for IP:'220.181.15.114' DOMAIN:'m15-114.126.com' HELO:'m15-114.126.com' FROM:'chen_han_xiao@126.com' RCPT:'' X-RedHat-Spam-Score: 1.999 * (DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, FREEMAIL_FROM, RCVD_IN_PSBL, RP_MATCHES_RCVD, SPF_PASS) 220.181.15.114 m15-114.126.com 220.181.15.114 m15-114.126.com X-Scanned-By: MIMEDefang 2.78 on 10.5.110.38 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-loop: libvir-list@redhat.com Cc: Chen Hanxiao Subject: [libvirt] [PATCH] qemu: Add support for hot unplug redirdev device X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Fri, 10 Nov 2017 09:08:06 +0000 (UTC) X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" From: Chen Hanxiao We lacked of hot unplugging redirdev device. This patch adds support for it. We could use detach-device --live now. Signed-off-by: Chen Hanxiao --- src/qemu/qemu_driver.c | 4 +- src/qemu/qemu_hotplug.c | 111 ++++++++++++++++++++++++++++++++++++++++++++= ++++ src/qemu/qemu_hotplug.h | 3 ++ 3 files changed, 117 insertions(+), 1 deletion(-) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 6132bc4a9..2628699d8 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -7786,6 +7786,9 @@ qemuDomainDetachDeviceLive(virDomainObjPtr vm, case VIR_DOMAIN_DEVICE_INPUT: ret =3D qemuDomainDetachInputDevice(vm, dev->data.input); break; + case VIR_DOMAIN_DEVICE_REDIRDEV: + ret =3D qemuDomainDetachRedirdevDevice(driver, vm, dev->data.redir= dev); + break; =20 case VIR_DOMAIN_DEVICE_FS: case VIR_DOMAIN_DEVICE_SOUND: @@ -7795,7 +7798,6 @@ qemuDomainDetachDeviceLive(virDomainObjPtr vm, case VIR_DOMAIN_DEVICE_SMARTCARD: case VIR_DOMAIN_DEVICE_MEMBALLOON: case VIR_DOMAIN_DEVICE_NVRAM: - case VIR_DOMAIN_DEVICE_REDIRDEV: case VIR_DOMAIN_DEVICE_NONE: case VIR_DOMAIN_DEVICE_TPM: case VIR_DOMAIN_DEVICE_PANIC: diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c index ce63b4a4d..497d7284b 100644 --- a/src/qemu/qemu_hotplug.c +++ b/src/qemu/qemu_hotplug.c @@ -4281,6 +4281,74 @@ qemuDomainRemoveInputDevice(virDomainObjPtr vm, return 0; } =20 +static int +qemuDomainRemoveRedirdevDevice(virQEMUDriverPtr driver, + virDomainObjPtr vm, + virDomainRedirdevDefPtr redirdev) +{ + qemuDomainObjPrivatePtr priv =3D vm->privateData; + virQEMUDriverConfigPtr cfg =3D virQEMUDriverGetConfig(driver); + virObjectEventPtr event; + char *charAlias =3D NULL; + char *tlsAlias =3D NULL; + char *secAlias =3D NULL; + ssize_t idx; + int ret =3D -1; + + VIR_DEBUG("Removing redirdev device %s from domain %p %s", + redirdev->info.alias, vm, vm->def->name); + + if (!(charAlias =3D qemuAliasChardevFromDevAlias(redirdev->info.alias)= )) + goto cleanup; + + if (redirdev->source->type =3D=3D VIR_DOMAIN_CHR_TYPE_TCP && + redirdev->source->data.tcp.haveTLS =3D=3D VIR_TRISTATE_BOOL_YES) { + + if (!(tlsAlias =3D qemuAliasTLSObjFromSrcAlias(charAlias))) + goto cleanup; + + /* Best shot at this as the secinfo is destroyed after process lau= nch + * and this path does not recreate it. Thus, if the config has the + * secret UUID and we have a serial TCP chardev, then formulate a + * secAlias which we'll attempt to destroy. */ + if (cfg->chardevTLSx509secretUUID && + !(secAlias =3D qemuDomainGetSecretAESAlias(charAlias, false))) + goto cleanup; + } + + qemuDomainObjEnterMonitor(driver, vm); + /* Usually device_del will remove related chardev as well, + * So we don't need to check its return value. + */ + ignore_value(qemuMonitorDetachCharDev(priv->mon, charAlias)); + + if (tlsAlias) + ignore_value(qemuMonitorDelObject(priv->mon, tlsAlias)); + if (secAlias) + ignore_value(qemuMonitorDelObject(priv->mon, secAlias)); + + if (qemuDomainObjExitMonitor(driver, vm) < 0) + goto cleanup; + + virDomainAuditRedirdev(vm, redirdev, "detach", true); + + event =3D virDomainEventDeviceRemovedNewFromObj(vm, redirdev->info.ali= as); + qemuDomainEventQueue(driver, event); + + if ((idx =3D virDomainRedirdevDefFind(vm->def, redirdev)) >=3D 0) + virDomainRedirdevDefRemove(vm->def, idx); + qemuDomainReleaseDeviceAddress(vm, &redirdev->info, NULL); + virDomainRedirdevDefFree(redirdev); + + ret =3D 0; + + cleanup: + VIR_FREE(charAlias); + VIR_FREE(tlsAlias); + VIR_FREE(secAlias); + return ret; +} + =20 int qemuDomainRemoveDevice(virQEMUDriverPtr driver, @@ -5018,6 +5086,49 @@ qemuDomainDetachWatchdog(virQEMUDriverPtr driver, return ret; } =20 +int +qemuDomainDetachRedirdevDevice(virQEMUDriverPtr driver, + virDomainObjPtr vm, + virDomainRedirdevDefPtr redirdev) +{ + int ret =3D -1; + qemuDomainObjPrivatePtr priv =3D vm->privateData; + virDomainDefPtr vmdef =3D vm->def; + virDomainRedirdevDefPtr tmpRedirdevDef; + ssize_t idx; + + if ((idx =3D virDomainRedirdevDefFind(vmdef, redirdev)) < 0) { + virReportError(VIR_ERR_OPERATION_INVALID, "%s", + _("no matching redirdev was not found")); + return -1; + } + + tmpRedirdevDef =3D vm->def->redirdevs[idx]; + + if (!tmpRedirdevDef->info.alias) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("alias not set for redirdev device")); + return -1; + } + + qemuDomainMarkDeviceForRemoval(vm, &tmpRedirdevDef->info); + + qemuDomainObjEnterMonitor(driver, vm); + if (qemuMonitorDelDevice(priv->mon, tmpRedirdevDef->info.alias) < 0) { + ignore_value(qemuDomainObjExitMonitor(driver, vm)); + goto cleanup; + } + if (qemuDomainObjExitMonitor(driver, vm) < 0) + goto cleanup; + + if ((ret =3D qemuDomainWaitForDeviceRemoval(vm)) =3D=3D 1) + ret =3D qemuDomainRemoveRedirdevDevice(driver, vm, tmpRedirdevDef); + + cleanup: + qemuDomainResetDeviceRemoval(vm); + return ret; +} + =20 int qemuDomainDetachNetDevice(virQEMUDriverPtr driver, diff --git a/src/qemu/qemu_hotplug.h b/src/qemu/qemu_hotplug.h index 3e0d618e0..6c642c4fd 100644 --- a/src/qemu/qemu_hotplug.h +++ b/src/qemu/qemu_hotplug.h @@ -125,6 +125,9 @@ int qemuDomainDetachShmemDevice(virQEMUDriverPtr driver, int qemuDomainDetachWatchdog(virQEMUDriverPtr driver, virDomainObjPtr vm, virDomainWatchdogDefPtr watchdog); +int qemuDomainDetachRedirdevDevice(virQEMUDriverPtr driver, + virDomainObjPtr vm, + virDomainRedirdevDefPtr redirdev); =20 int qemuDomainAttachInputDevice(virQEMUDriverPtr driver, virDomainObjPtr vm, --=20 2.13.6 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list