From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MIME_BASE64_TEXT,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3CAF0C433DB for ; Wed, 10 Feb 2021 09:52:19 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A85A164E3E for ; Wed, 10 Feb 2021 09:52:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A85A164E3E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:35186 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l9mAT-0000eR-FF for qemu-devel@archiver.kernel.org; Wed, 10 Feb 2021 04:52:17 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:57122) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l9lqX-0006dR-1A for qemu-devel@nongnu.org; Wed, 10 Feb 2021 04:31:43 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:39067) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l9lqU-00085G-0G for qemu-devel@nongnu.org; Wed, 10 Feb 2021 04:31:40 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1612949496; 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=R2Qvy19eJdC+602G2SjjJETx98iWAlmXaIyusGU/mUY=; b=CgL1okXHeJQe6Sn3B5ZJ9Nly8jPbrINzAb634YuXq+6Jn9rzQGFlYXHyvLojrgJV7zd1S/ JqrXD1tuDKipHq++EzcvzbTMEyXZ6bJaAUeT0fLJDvlt+vCRICp+uAYFguR55oe4P0m6jq XAJM5cXmnUKZWfPXvjKZP27g1QbbH9E= 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-74-wdwXLipcP1yq9-jb8W4dtA-1; Wed, 10 Feb 2021 04:31:34 -0500 X-MC-Unique: wdwXLipcP1yq9-jb8W4dtA-1 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 mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7C5E280402E; Wed, 10 Feb 2021 09:31:32 +0000 (UTC) Received: from localhost (ovpn-115-120.ams2.redhat.com [10.36.115.120]) by smtp.corp.redhat.com (Postfix) with ESMTP id 004515D9CD; Wed, 10 Feb 2021 09:31:22 +0000 (UTC) From: Stefan Hajnoczi To: Peter Maydell , qemu-devel@nongnu.org Subject: [PULL v4 26/27] multi-process: perform device reset in the remote process Date: Wed, 10 Feb 2021 09:26:27 +0000 Message-Id: <20210210092628.193785-27-stefanha@redhat.com> In-Reply-To: <20210210092628.193785-1-stefanha@redhat.com> References: <20210210092628.193785-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=stefanha@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="US-ASCII" Received-SPF: pass client-ip=63.128.21.124; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.57, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MIME_BASE64_TEXT=1.741, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fam Zheng , John G Johnson , thuth@redhat.com, Jagannathan Raman , Eduardo Habkost , qemu-block@nongnu.org, "Michael S. Tsirkin" , "Denis V. Lunev" , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Stefan Hajnoczi , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Wainer dos Santos Moschetta , Elena Ufimtseva , Igor Mammedov , Paolo Bonzini , =?UTF-8?q?Alex=20Benn=C3=A9e?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" RnJvbTogRWxlbmEgVWZpbXRzZXZhIDxlbGVuYS51ZmltdHNldmFAb3JhY2xlLmNvbT4KClBlcmZv cm0gZGV2aWNlIHJlc2V0IGluIHRoZSByZW1vdGUgcHJvY2VzcyB3aGVuIFFFTVUgcGVyZm9ybXMK ZGV2aWNlIHJlc2V0LiBUaGlzIGlzIHJlcXVpcmVkIHRvIHJlc2V0IHRoZSBpbnRlcm5hbCBzdGF0 ZQoobGlrZSByZWdpc3RlcnMsIGV0Yy4uLikgb2YgZW11bGF0ZWQgZGV2aWNlcwoKU2lnbmVkLW9m Zi1ieTogRWxlbmEgVWZpbXRzZXZhIDxlbGVuYS51ZmltdHNldmFAb3JhY2xlLmNvbT4KU2lnbmVk LW9mZi1ieTogSm9obiBHIEpvaG5zb24gPGpvaG4uZy5qb2huc29uQG9yYWNsZS5jb20+ClNpZ25l ZC1vZmYtYnk6IEphZ2FubmF0aGFuIFJhbWFuIDxqYWcucmFtYW5Ab3JhY2xlLmNvbT4KUmV2aWV3 ZWQtYnk6IFN0ZWZhbiBIYWpub2N6aSA8c3RlZmFuaGFAcmVkaGF0LmNvbT4KTWVzc2FnZS1pZDog N2NiMjIwYTUxZjU2NWRjMDgxN2JkNzZlMmY1NDBlODljMmQyYjg1MC4xNjExOTM4MzE5LmdpdC5q YWcucmFtYW5Ab3JhY2xlLmNvbQpTaWduZWQtb2ZmLWJ5OiBTdGVmYW4gSGFqbm9jemkgPHN0ZWZh bmhhQHJlZGhhdC5jb20+Ci0tLQogaW5jbHVkZS9ody9yZW1vdGUvbXBxZW11LWxpbmsuaCB8ICAx ICsKIGh3L3JlbW90ZS9tZXNzYWdlLmMgICAgICAgICAgICAgfCAyMiArKysrKysrKysrKysrKysr KysrKysrCiBody9yZW1vdGUvcHJveHkuYyAgICAgICAgICAgICAgIHwgMTkgKysrKysrKysrKysr KysrKysrKwogMyBmaWxlcyBjaGFuZ2VkLCA0MiBpbnNlcnRpb25zKCspCgpkaWZmIC0tZ2l0IGEv aW5jbHVkZS9ody9yZW1vdGUvbXBxZW11LWxpbmsuaCBiL2luY2x1ZGUvaHcvcmVtb3RlL21wcWVt dS1saW5rLmgKaW5kZXggNzFkMjA2ZjAwZS4uNGVjMDkxNTg4NSAxMDA2NDQKLS0tIGEvaW5jbHVk ZS9ody9yZW1vdGUvbXBxZW11LWxpbmsuaAorKysgYi9pbmNsdWRlL2h3L3JlbW90ZS9tcHFlbXUt bGluay5oCkBAIC00MCw2ICs0MCw3IEBAIHR5cGVkZWYgZW51bSB7CiAgICAgTVBRRU1VX0NNRF9C QVJfV1JJVEUsCiAgICAgTVBRRU1VX0NNRF9CQVJfUkVBRCwKICAgICBNUFFFTVVfQ01EX1NFVF9J UlFGRCwKKyAgICBNUFFFTVVfQ01EX0RFVklDRV9SRVNFVCwKICAgICBNUFFFTVVfQ01EX01BWCwK IH0gTVBRZW11Q21kOwogCmRpZmYgLS1naXQgYS9ody9yZW1vdGUvbWVzc2FnZS5jIGIvaHcvcmVt b3RlL21lc3NhZ2UuYwppbmRleCBhZGFiMDQwY2ExLi4xMWQ3Mjk4NDVjIDEwMDY0NAotLS0gYS9o dy9yZW1vdGUvbWVzc2FnZS5jCisrKyBiL2h3L3JlbW90ZS9tZXNzYWdlLmMKQEAgLTE5LDYgKzE5 LDcgQEAKICNpbmNsdWRlICJleGVjL21lbWF0dHJzLmgiCiAjaW5jbHVkZSAiaHcvcmVtb3RlL21l bW9yeS5oIgogI2luY2x1ZGUgImh3L3JlbW90ZS9pb2h1Yi5oIgorI2luY2x1ZGUgInN5c2VtdS9y ZXNldC5oIgogCiBzdGF0aWMgdm9pZCBwcm9jZXNzX2NvbmZpZ193cml0ZShRSU9DaGFubmVsICpp b2MsIFBDSURldmljZSAqZGV2LAogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgTVBR ZW11TXNnICptc2csIEVycm9yICoqZXJycCk7CkBAIC0yNiw2ICsyNyw4IEBAIHN0YXRpYyB2b2lk IHByb2Nlc3NfY29uZmlnX3JlYWQoUUlPQ2hhbm5lbCAqaW9jLCBQQ0lEZXZpY2UgKmRldiwKICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgTVBRZW11TXNnICptc2csIEVycm9yICoqZXJy cCk7CiBzdGF0aWMgdm9pZCBwcm9jZXNzX2Jhcl93cml0ZShRSU9DaGFubmVsICppb2MsIE1QUWVt dU1zZyAqbXNnLCBFcnJvciAqKmVycnApOwogc3RhdGljIHZvaWQgcHJvY2Vzc19iYXJfcmVhZChR SU9DaGFubmVsICppb2MsIE1QUWVtdU1zZyAqbXNnLCBFcnJvciAqKmVycnApOworc3RhdGljIHZv aWQgcHJvY2Vzc19kZXZpY2VfcmVzZXRfbXNnKFFJT0NoYW5uZWwgKmlvYywgUENJRGV2aWNlICpk ZXYsCisgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgRXJyb3IgKiplcnJwKTsK IAogdm9pZCBjb3JvdXRpbmVfZm4gbXBxZW11X3JlbW90ZV9tc2dfbG9vcF9jbyh2b2lkICpkYXRh KQogewpAQCAtNjksNiArNzIsOSBAQCB2b2lkIGNvcm91dGluZV9mbiBtcHFlbXVfcmVtb3RlX21z Z19sb29wX2NvKHZvaWQgKmRhdGEpCiAgICAgICAgIGNhc2UgTVBRRU1VX0NNRF9TRVRfSVJRRkQ6 CiAgICAgICAgICAgICBwcm9jZXNzX3NldF9pcnFmZF9tc2cocGNpX2RldiwgJm1zZyk7CiAgICAg ICAgICAgICBicmVhazsKKyAgICAgICAgY2FzZSBNUFFFTVVfQ01EX0RFVklDRV9SRVNFVDoKKyAg ICAgICAgICAgIHByb2Nlc3NfZGV2aWNlX3Jlc2V0X21zZyhjb20tPmlvYywgcGNpX2RldiwgJmxv Y2FsX2Vycik7CisgICAgICAgICAgICBicmVhazsKICAgICAgICAgZGVmYXVsdDoKICAgICAgICAg ICAgIGVycm9yX3NldGcoJmxvY2FsX2VyciwKICAgICAgICAgICAgICAgICAgICAgICAgIlVua25v d24gY29tbWFuZCAoJWQpIHJlY2VpdmVkIGZvciBkZXZpY2UgJXMiCkBAIC0yMDYsMyArMjEyLDE5 IEBAIGZhaWw6CiAgICAgICAgICAgICAgICAgICAgICAgZ2V0cGlkKCkpOwogICAgIH0KIH0KKwor c3RhdGljIHZvaWQgcHJvY2Vzc19kZXZpY2VfcmVzZXRfbXNnKFFJT0NoYW5uZWwgKmlvYywgUENJ RGV2aWNlICpkZXYsCisgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgRXJyb3Ig KiplcnJwKQoreworICAgIERldmljZUNsYXNzICpkYyA9IERFVklDRV9HRVRfQ0xBU1MoZGV2KTsK KyAgICBEZXZpY2VTdGF0ZSAqcyA9IERFVklDRShkZXYpOworICAgIE1QUWVtdU1zZyByZXQgPSB7 IDAgfTsKKworICAgIGlmIChkYy0+cmVzZXQpIHsKKyAgICAgICAgZGMtPnJlc2V0KHMpOworICAg IH0KKworICAgIHJldC5jbWQgPSBNUFFFTVVfQ01EX1JFVDsKKworICAgIG1wcWVtdV9tc2dfc2Vu ZCgmcmV0LCBpb2MsIGVycnApOworfQpkaWZmIC0tZ2l0IGEvaHcvcmVtb3RlL3Byb3h5LmMgYi9o dy9yZW1vdGUvcHJveHkuYwppbmRleCBhMDgyNzA5ODgxLi40ZmE0YmUwNzlkIDEwMDY0NAotLS0g YS9ody9yZW1vdGUvcHJveHkuYworKysgYi9ody9yZW1vdGUvcHJveHkuYwpAQCAtMjYsNiArMjYs NyBAQAogI2luY2x1ZGUgInV0aWwvZXZlbnRfbm90aWZpZXItcG9zaXguYyIKIAogc3RhdGljIHZv aWQgcHJvYmVfcGNpX2luZm8oUENJRGV2aWNlICpkZXYsIEVycm9yICoqZXJycCk7CitzdGF0aWMg dm9pZCBwcm94eV9kZXZpY2VfcmVzZXQoRGV2aWNlU3RhdGUgKmRldik7CiAKIHN0YXRpYyB2b2lk IHByb3h5X2ludHhfdXBkYXRlKFBDSURldmljZSAqcGNpX2RldikKIHsKQEAgLTIwMiw2ICsyMDMs OCBAQCBzdGF0aWMgdm9pZCBwY2lfcHJveHlfZGV2X2NsYXNzX2luaXQoT2JqZWN0Q2xhc3MgKmts YXNzLCB2b2lkICpkYXRhKQogICAgIGstPmNvbmZpZ19yZWFkID0gcGNpX3Byb3h5X3JlYWRfY29u ZmlnOwogICAgIGstPmNvbmZpZ193cml0ZSA9IHBjaV9wcm94eV93cml0ZV9jb25maWc7CiAKKyAg ICBkYy0+cmVzZXQgPSBwcm94eV9kZXZpY2VfcmVzZXQ7CisKICAgICBkZXZpY2VfY2xhc3Nfc2V0 X3Byb3BzKGRjLCBwcm94eV9wcm9wZXJ0aWVzKTsKIH0KIApAQCAtMzU4LDMgKzM2MSwxOSBAQCBz dGF0aWMgdm9pZCBwcm9iZV9wY2lfaW5mbyhQQ0lEZXZpY2UgKmRldiwgRXJyb3IgKiplcnJwKQog ICAgICAgICB9CiAgICAgfQogfQorCitzdGF0aWMgdm9pZCBwcm94eV9kZXZpY2VfcmVzZXQoRGV2 aWNlU3RhdGUgKmRldikKK3sKKyAgICBQQ0lQcm94eURldiAqcGRldiA9IFBDSV9QUk9YWV9ERVYo ZGV2KTsKKyAgICBNUFFlbXVNc2cgbXNnID0geyAwIH07CisgICAgRXJyb3IgKmxvY2FsX2VyciA9 IE5VTEw7CisKKyAgICBtc2cuY21kID0gTVBRRU1VX0NNRF9ERVZJQ0VfUkVTRVQ7CisgICAgbXNn LnNpemUgPSAwOworCisgICAgbXBxZW11X21zZ19zZW5kX2FuZF9hd2FpdF9yZXBseSgmbXNnLCBw ZGV2LCAmbG9jYWxfZXJyKTsKKyAgICBpZiAobG9jYWxfZXJyKSB7CisgICAgICAgIGVycm9yX3Jl cG9ydF9lcnIobG9jYWxfZXJyKTsKKyAgICB9CisKK30KLS0gCjIuMjkuMgoK