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 F3808C433E0 for ; Fri, 5 Feb 2021 17:07:45 +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 5397E64F38 for ; Fri, 5 Feb 2021 17:07:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5397E64F38 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]:47696 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l84a8-0005u7-6v for qemu-devel@archiver.kernel.org; Fri, 05 Feb 2021 12:07:44 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:43146) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l84Hy-0003aF-IU for qemu-devel@nongnu.org; Fri, 05 Feb 2021 11:49:03 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:27497) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l84Hw-0007Jl-A9 for qemu-devel@nongnu.org; Fri, 05 Feb 2021 11:48:58 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1612543735; 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=EMMsAZbbvX5nadniZiilkgkI30GHtGQ4kjI5uEPvbrY=; b=Qx5KTfsoP3AlZecTbR6hWULWZcwvn0XVktGxo4WuFUmPKyNFNZ/N1aDrZkgHhgyiecFQPJ Zjy7VkCkFs6nsQqras2BTDaBrEtTp4uoYYKvloqxNxQz9Tn8Vm7Kh7gyWFSM+DJaMbsDsg LtgYWJQoxP30EYj6pUUBIHIa3LUTwhs= 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-219-vrxwtdnKNsGV7heYHcY6uw-1; Fri, 05 Feb 2021 11:48:53 -0500 X-MC-Unique: vrxwtdnKNsGV7heYHcY6uw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 6A9C580196C; Fri, 5 Feb 2021 16:48:51 +0000 (UTC) Received: from localhost (ovpn-112-54.ams2.redhat.com [10.36.112.54]) by smtp.corp.redhat.com (Postfix) with ESMTP id 82BAC5D71D; Fri, 5 Feb 2021 16:48:41 +0000 (UTC) From: Stefan Hajnoczi To: Peter Maydell , qemu-devel@nongnu.org Subject: [PULL v3 20/27] multi-process: add proxy communication functions Date: Fri, 5 Feb 2021 16:44:52 +0000 Message-Id: <20210205164459.432714-21-stefanha@redhat.com> In-Reply-To: <20210205164459.432714-1-stefanha@redhat.com> References: <20210205164459.432714-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 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=216.205.24.124; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -13 X-Spam_score: -1.4 X-Spam_bar: - X-Spam_report: (-1.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.352, 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_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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 , Thomas Huth , Jagannathan Raman , Stefan Hajnoczi , qemu-block@nongnu.org, "Michael S. Tsirkin" , "Denis V. Lunev" , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Elena Ufimtseva , Wainer dos Santos Moschetta , Igor Mammedov , Paolo Bonzini , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Eduardo Habkost Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" RnJvbTogRWxlbmEgVWZpbXRzZXZhIDxlbGVuYS51ZmltdHNldmFAb3JhY2xlLmNvbT4KClNpZ25l ZC1vZmYtYnk6IEVsZW5hIFVmaW10c2V2YSA8ZWxlbmEudWZpbXRzZXZhQG9yYWNsZS5jb20+ClNp Z25lZC1vZmYtYnk6IEphZ2FubmF0aGFuIFJhbWFuIDxqYWcucmFtYW5Ab3JhY2xlLmNvbT4KU2ln bmVkLW9mZi1ieTogSm9obiBHIEpvaG5zb24gPGpvaG4uZy5qb2huc29uQG9yYWNsZS5jb20+ClJl dmlld2VkLWJ5OiBTdGVmYW4gSGFqbm9jemkgPHN0ZWZhbmhhQHJlZGhhdC5jb20+Ck1lc3NhZ2Ut aWQ6IGQ1NGVkYjQxNzYzNjFlZWQ4NmI5MDNlOGYyNzA1ODM2M2I2YzgzYjMuMTYxMTkzODMxOS5n aXQuamFnLnJhbWFuQG9yYWNsZS5jb20KU2lnbmVkLW9mZi1ieTogU3RlZmFuIEhham5vY3ppIDxz dGVmYW5oYUByZWRoYXQuY29tPgotLS0KIGluY2x1ZGUvaHcvcmVtb3RlL21wcWVtdS1saW5rLmgg fCAgNCArKysrCiBody9yZW1vdGUvbXBxZW11LWxpbmsuYyAgICAgICAgIHwgMzQgKysrKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrCiAyIGZpbGVzIGNoYW5nZWQsIDM4IGluc2VydGlvbnMo KykKCmRpZmYgLS1naXQgYS9pbmNsdWRlL2h3L3JlbW90ZS9tcHFlbXUtbGluay5oIGIvaW5jbHVk ZS9ody9yZW1vdGUvbXBxZW11LWxpbmsuaAppbmRleCA2ZWU1YmM1NzUxLi4xYjM1ZDQwOGY4IDEw MDY0NAotLS0gYS9pbmNsdWRlL2h3L3JlbW90ZS9tcHFlbXUtbGluay5oCisrKyBiL2luY2x1ZGUv aHcvcmVtb3RlL21wcWVtdS1saW5rLmgKQEAgLTE1LDYgKzE1LDggQEAKICNpbmNsdWRlICJxZW11 L3RocmVhZC5oIgogI2luY2x1ZGUgImlvL2NoYW5uZWwuaCIKICNpbmNsdWRlICJleGVjL2h3YWRk ci5oIgorI2luY2x1ZGUgImlvL2NoYW5uZWwtc29ja2V0LmgiCisjaW5jbHVkZSAiaHcvcmVtb3Rl L3Byb3h5LmgiCiAKICNkZWZpbmUgUkVNT1RFX01BWF9GRFMgOAogCkBAIC02OCw2ICs3MCw4IEBA IHR5cGVkZWYgc3RydWN0IHsKIGJvb2wgbXBxZW11X21zZ19zZW5kKE1QUWVtdU1zZyAqbXNnLCBR SU9DaGFubmVsICppb2MsIEVycm9yICoqZXJycCk7CiBib29sIG1wcWVtdV9tc2dfcmVjdihNUFFl bXVNc2cgKm1zZywgUUlPQ2hhbm5lbCAqaW9jLCBFcnJvciAqKmVycnApOwogCit1aW50NjRfdCBt cHFlbXVfbXNnX3NlbmRfYW5kX2F3YWl0X3JlcGx5KE1QUWVtdU1zZyAqbXNnLCBQQ0lQcm94eURl diAqcGRldiwKKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgRXJyb3Ig KiplcnJwKTsKIGJvb2wgbXBxZW11X21zZ192YWxpZChNUFFlbXVNc2cgKm1zZyk7CiAKICNlbmRp ZgpkaWZmIC0tZ2l0IGEvaHcvcmVtb3RlL21wcWVtdS1saW5rLmMgYi9ody9yZW1vdGUvbXBxZW11 LWxpbmsuYwppbmRleCA0ZWUxMTI4Mjg1Li5mNWU5ZTAxOTIzIDEwMDY0NAotLS0gYS9ody9yZW1v dGUvbXBxZW11LWxpbmsuYworKysgYi9ody9yZW1vdGUvbXBxZW11LWxpbmsuYwpAQCAtMTgyLDYg KzE4Miw0MCBAQCBmYWlsOgogICAgIHJldHVybiByZXQ7CiB9CiAKKy8qCisgKiBTZW5kIG1zZyBh bmQgd2FpdCBmb3IgYSByZXBseSB3aXRoIGNvbW1hbmQgY29kZSBSRVRfTVNHLgorICogUmV0dXJu cyB0aGUgbWVzc2FnZSByZWNlaXZlZCBvZiBzaXplIHU2NCBvciBVSU5UNjRfTUFYCisgKiBvbiBl cnJvci4KKyAqIENhbGxlZCBmcm9tIFZDUFUgdGhyZWFkIGluIG5vbi1jb3JvdXRpbmUgY29udGV4 dC4KKyAqIFVzZWQgYnkgdGhlIFByb3h5IG9iamVjdCB0byBjb21tdW5pY2F0ZSB0byByZW1vdGUg cHJvY2Vzc2VzLgorICovCit1aW50NjRfdCBtcHFlbXVfbXNnX3NlbmRfYW5kX2F3YWl0X3JlcGx5 KE1QUWVtdU1zZyAqbXNnLCBQQ0lQcm94eURldiAqcGRldiwKKyAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgRXJyb3IgKiplcnJwKQoreworICAgIEVSUlBfR1VBUkQoKTsK KyAgICBNUFFlbXVNc2cgbXNnX3JlcGx5ID0gezB9OworICAgIHVpbnQ2NF90IHJldCA9IFVJTlQ2 NF9NQVg7CisKKyAgICBhc3NlcnQoIXFlbXVfaW5fY29yb3V0aW5lKCkpOworCisgICAgUUVNVV9M T0NLX0dVQVJEKCZwZGV2LT5pb19tdXRleCk7CisgICAgaWYgKCFtcHFlbXVfbXNnX3NlbmQobXNn LCBwZGV2LT5pb2MsIGVycnApKSB7CisgICAgICAgIHJldHVybiByZXQ7CisgICAgfQorCisgICAg aWYgKCFtcHFlbXVfbXNnX3JlY3YoJm1zZ19yZXBseSwgcGRldi0+aW9jLCBlcnJwKSkgeworICAg ICAgICByZXR1cm4gcmV0OworICAgIH0KKworICAgIGlmICghbXBxZW11X21zZ192YWxpZCgmbXNn X3JlcGx5KSkgeworICAgICAgICBlcnJvcl9zZXRnKGVycnAsICJFUlJPUjogSW52YWxpZCByZXBs eSByZWNlaXZlZCBmb3IgY29tbWFuZCAlZCIsCisgICAgICAgICAgICAgICAgICAgICAgICAgbXNn LT5jbWQpOworICAgICAgICByZXR1cm4gcmV0OworICAgIH0KKworICAgIHJldHVybiBtc2dfcmVw bHkuZGF0YS51NjQ7Cit9CisKIGJvb2wgbXBxZW11X21zZ192YWxpZChNUFFlbXVNc2cgKm1zZykK IHsKICAgICBpZiAobXNnLT5jbWQgPj0gTVBRRU1VX0NNRF9NQVggJiYgbXNnLT5jbWQgPCAwKSB7 Ci0tIAoyLjI5LjIKCg==