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 B59E4C433DB for ; Thu, 4 Feb 2021 16:12:51 +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 4516064E2C for ; Thu, 4 Feb 2021 16:12:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4516064E2C 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]:54924 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l7hFS-0003LL-98 for qemu-devel@archiver.kernel.org; Thu, 04 Feb 2021 11:12:50 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:54830) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l7grM-00028y-1N for qemu-devel@nongnu.org; Thu, 04 Feb 2021 10:47:56 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:36812) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l7grJ-0005uL-9l for qemu-devel@nongnu.org; Thu, 04 Feb 2021 10:47:55 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1612453672; 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=/Zh8p4SflgSqAiHL8Zqv7hpdRPhsOqr+pSuTgvlZxJk=; b=ASbWuBwz6Nt0QkPs9/LE8f+i0gteT7Ea/OTWWFAre4cwLa8+4ziAhiA7pLP9OOX3Y1LAsR gXa6O0BD2eGYpNblv0xg8CcoaEkoAxxN4lECMFWozdLWpKb5+2DD+/Mf2JYESBp0qr6bzu 0xFfbGMPO61ZeCruKowhvW5MnEQuptA= 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-517-Ia4zfGp2PPqfcDhGFtiQuQ-1; Thu, 04 Feb 2021 10:47:50 -0500 X-MC-Unique: Ia4zfGp2PPqfcDhGFtiQuQ-1 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 mimecast-mx01.redhat.com (Postfix) with ESMTPS id 70732801961; Thu, 4 Feb 2021 15:47:48 +0000 (UTC) Received: from localhost (ovpn-115-89.ams2.redhat.com [10.36.115.89]) by smtp.corp.redhat.com (Postfix) with ESMTP id ABA7660C16; Thu, 4 Feb 2021 15:47:38 +0000 (UTC) From: Stefan Hajnoczi To: Peter Maydell , qemu-devel@nongnu.org Subject: [PULL v2 25/27] multi-process: Retrieve PCI info from remote process Date: Thu, 4 Feb 2021 15:43:25 +0000 Message-Id: <20210204154327.386529-26-stefanha@redhat.com> In-Reply-To: <20210204154327.386529-1-stefanha@redhat.com> References: <20210204154327.386529-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 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=-0.351, 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=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: Elena Ufimtseva , John G Johnson , Thomas Huth , Jagannathan Raman , Eduardo Habkost , qemu-block@nongnu.org, "Michael S. Tsirkin" , "Denis V. Lunev" , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Wainer dos Santos Moschetta , Paolo Bonzini , Stefan Hajnoczi , Igor Mammedov , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Fam Zheng , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" RnJvbTogSmFnYW5uYXRoYW4gUmFtYW4gPGphZy5yYW1hbkBvcmFjbGUuY29tPgoKUmV0cmlldmUg UENJIGNvbmZpZ3VyYXRpb24gaW5mbyBhYm91dCB0aGUgcmVtb3RlIGRldmljZSBhbmQKY29uZmln dXJlIHRoZSBQcm94eSBQQ0kgb2JqZWN0IGJhc2VkIG9uIHRoZSByZXR1cm5lZCBpbmZvcm1hdGlv bgoKU2lnbmVkLW9mZi1ieTogRWxlbmEgVWZpbXRzZXZhIDxlbGVuYS51ZmltdHNldmFAb3JhY2xl LmNvbT4KU2lnbmVkLW9mZi1ieTogSm9obiBHIEpvaG5zb24gPGpvaG4uZy5qb2huc29uQG9yYWNs ZS5jb20+ClNpZ25lZC1vZmYtYnk6IEphZ2FubmF0aGFuIFJhbWFuIDxqYWcucmFtYW5Ab3JhY2xl LmNvbT4KUmV2aWV3ZWQtYnk6IFN0ZWZhbiBIYWpub2N6aSA8c3RlZmFuaGFAcmVkaGF0LmNvbT4K TWVzc2FnZS1pZDogODVlZTM2N2JiYjk5M2FhMjM2OTliNDRjZmVkZDgzYjRlYTZkNTIyMS4xNjEx OTM4MzE5LmdpdC5qYWcucmFtYW5Ab3JhY2xlLmNvbQpTaWduZWQtb2ZmLWJ5OiBTdGVmYW4gSGFq bm9jemkgPHN0ZWZhbmhhQHJlZGhhdC5jb20+Ci0tLQogaHcvcmVtb3RlL3Byb3h5LmMgfCA4NCAr KysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKwogMSBmaWxlIGNo YW5nZWQsIDg0IGluc2VydGlvbnMoKykKCmRpZmYgLS1naXQgYS9ody9yZW1vdGUvcHJveHkuYyBi L2h3L3JlbW90ZS9wcm94eS5jCmluZGV4IDU1NWIzMTAzZjQuLmEwODI3MDk4ODEgMTAwNjQ0Ci0t LSBhL2h3L3JlbW90ZS9wcm94eS5jCisrKyBiL2h3L3JlbW90ZS9wcm94eS5jCkBAIC0yNSw2ICsy NSw4IEBACiAjaW5jbHVkZSAic3lzZW11L2t2bS5oIgogI2luY2x1ZGUgInV0aWwvZXZlbnRfbm90 aWZpZXItcG9zaXguYyIKIAorc3RhdGljIHZvaWQgcHJvYmVfcGNpX2luZm8oUENJRGV2aWNlICpk ZXYsIEVycm9yICoqZXJycCk7CisKIHN0YXRpYyB2b2lkIHByb3h5X2ludHhfdXBkYXRlKFBDSURl dmljZSAqcGNpX2RldikKIHsKICAgICBQQ0lQcm94eURldiAqZGV2ID0gUENJX1BST1hZX0RFVihw Y2lfZGV2KTsKQEAgLTc3LDYgKzc5LDcgQEAgc3RhdGljIHZvaWQgcGNpX3Byb3h5X2Rldl9yZWFs aXplKFBDSURldmljZSAqZGV2aWNlLCBFcnJvciAqKmVycnApCiB7CiAgICAgRVJSUF9HVUFSRCgp OwogICAgIFBDSVByb3h5RGV2ICpkZXYgPSBQQ0lfUFJPWFlfREVWKGRldmljZSk7CisgICAgdWlu dDhfdCAqcGNpX2NvbmYgPSBkZXZpY2UtPmNvbmZpZzsKICAgICBpbnQgZmQ7CiAKICAgICBpZiAo IWRldi0+ZmQpIHsKQEAgLTEwNiw5ICsxMDksMTQgQEAgc3RhdGljIHZvaWQgcGNpX3Byb3h5X2Rl dl9yZWFsaXplKFBDSURldmljZSAqZGV2aWNlLCBFcnJvciAqKmVycnApCiAgICAgcWVtdV9tdXRl eF9pbml0KCZkZXYtPmlvX211dGV4KTsKICAgICBxaW9fY2hhbm5lbF9zZXRfYmxvY2tpbmcoZGV2 LT5pb2MsIHRydWUsIE5VTEwpOwogCisgICAgcGNpX2NvbmZbUENJX0xBVEVOQ1lfVElNRVJdID0g MHhmZjsKKyAgICBwY2lfY29uZltQQ0lfSU5URVJSVVBUX1BJTl0gPSAweDAxOworCiAgICAgcHJv eHlfbWVtb3J5X2xpc3RlbmVyX2NvbmZpZ3VyZSgmZGV2LT5wcm94eV9saXN0ZW5lciwgZGV2LT5p b2MpOwogCiAgICAgc2V0dXBfaXJxZmQoZGV2KTsKKworICAgIHByb2JlX3BjaV9pbmZvKFBDSV9E RVZJQ0UoZGV2KSwgZXJycCk7CiB9CiAKIHN0YXRpYyB2b2lkIHBjaV9wcm94eV9kZXZfZXhpdChQ Q0lEZXZpY2UgKnBkZXYpCkBAIC0yNzQsMyArMjgyLDc5IEBAIGNvbnN0IE1lbW9yeVJlZ2lvbk9w cyBwcm94eV9tcl9vcHMgPSB7CiAgICAgICAgIC5tYXhfYWNjZXNzX3NpemUgPSA4LAogICAgIH0s CiB9OworCitzdGF0aWMgdm9pZCBwcm9iZV9wY2lfaW5mbyhQQ0lEZXZpY2UgKmRldiwgRXJyb3Ig KiplcnJwKQoreworICAgIFBDSURldmljZUNsYXNzICpwYyA9IFBDSV9ERVZJQ0VfR0VUX0NMQVNT KGRldik7CisgICAgdWludDMyX3Qgb3JpZ192YWwsIG5ld192YWwsIGJhc2VfY2xhc3MsIHZhbDsK KyAgICBQQ0lQcm94eURldiAqcGRldiA9IFBDSV9QUk9YWV9ERVYoZGV2KTsKKyAgICBEZXZpY2VD bGFzcyAqZGMgPSBERVZJQ0VfQ0xBU1MocGMpOworICAgIHVpbnQ4X3QgdHlwZTsKKyAgICBpbnQg aSwgc2l6ZTsKKworICAgIGNvbmZpZ19vcF9zZW5kKHBkZXYsIFBDSV9WRU5ET1JfSUQsICZ2YWws IDIsIE1QUUVNVV9DTURfUENJX0NGR1JFQUQpOworICAgIHBjLT52ZW5kb3JfaWQgPSAodWludDE2 X3QpdmFsOworCisgICAgY29uZmlnX29wX3NlbmQocGRldiwgUENJX0RFVklDRV9JRCwgJnZhbCwg MiwgTVBRRU1VX0NNRF9QQ0lfQ0ZHUkVBRCk7CisgICAgcGMtPmRldmljZV9pZCA9ICh1aW50MTZf dCl2YWw7CisKKyAgICBjb25maWdfb3Bfc2VuZChwZGV2LCBQQ0lfQ0xBU1NfREVWSUNFLCAmdmFs LCAyLCBNUFFFTVVfQ01EX1BDSV9DRkdSRUFEKTsKKyAgICBwYy0+Y2xhc3NfaWQgPSAodWludDE2 X3QpdmFsOworCisgICAgY29uZmlnX29wX3NlbmQocGRldiwgUENJX1NVQlNZU1RFTV9JRCwgJnZh bCwgMiwgTVBRRU1VX0NNRF9QQ0lfQ0ZHUkVBRCk7CisgICAgcGMtPnN1YnN5c3RlbV9pZCA9ICh1 aW50MTZfdCl2YWw7CisKKyAgICBiYXNlX2NsYXNzID0gcGMtPmNsYXNzX2lkID4+IDQ7CisgICAg c3dpdGNoIChiYXNlX2NsYXNzKSB7CisgICAgY2FzZSBQQ0lfQkFTRV9DTEFTU19CUklER0U6Cisg ICAgICAgIHNldF9iaXQoREVWSUNFX0NBVEVHT1JZX0JSSURHRSwgZGMtPmNhdGVnb3JpZXMpOwor ICAgICAgICBicmVhazsKKyAgICBjYXNlIFBDSV9CQVNFX0NMQVNTX1NUT1JBR0U6CisgICAgICAg IHNldF9iaXQoREVWSUNFX0NBVEVHT1JZX1NUT1JBR0UsIGRjLT5jYXRlZ29yaWVzKTsKKyAgICAg ICAgYnJlYWs7CisgICAgY2FzZSBQQ0lfQkFTRV9DTEFTU19ORVRXT1JLOgorICAgICAgICBzZXRf Yml0KERFVklDRV9DQVRFR09SWV9ORVRXT1JLLCBkYy0+Y2F0ZWdvcmllcyk7CisgICAgICAgIGJy ZWFrOworICAgIGNhc2UgUENJX0JBU0VfQ0xBU1NfSU5QVVQ6CisgICAgICAgIHNldF9iaXQoREVW SUNFX0NBVEVHT1JZX0lOUFVULCBkYy0+Y2F0ZWdvcmllcyk7CisgICAgICAgIGJyZWFrOworICAg IGNhc2UgUENJX0JBU0VfQ0xBU1NfRElTUExBWToKKyAgICAgICAgc2V0X2JpdChERVZJQ0VfQ0FU RUdPUllfRElTUExBWSwgZGMtPmNhdGVnb3JpZXMpOworICAgICAgICBicmVhazsKKyAgICBjYXNl IFBDSV9CQVNFX0NMQVNTX1BST0NFU1NPUjoKKyAgICAgICAgc2V0X2JpdChERVZJQ0VfQ0FURUdP UllfQ1BVLCBkYy0+Y2F0ZWdvcmllcyk7CisgICAgICAgIGJyZWFrOworICAgIGRlZmF1bHQ6Cisg ICAgICAgIHNldF9iaXQoREVWSUNFX0NBVEVHT1JZX01JU0MsIGRjLT5jYXRlZ29yaWVzKTsKKyAg ICAgICAgYnJlYWs7CisgICAgfQorCisgICAgZm9yIChpID0gMDsgaSA8IFBDSV9OVU1fUkVHSU9O UzsgaSsrKSB7CisgICAgICAgIGNvbmZpZ19vcF9zZW5kKHBkZXYsIFBDSV9CQVNFX0FERFJFU1Nf MCArICg0ICogaSksICZvcmlnX3ZhbCwgNCwKKyAgICAgICAgICAgICAgICAgICAgICAgTVBRRU1V X0NNRF9QQ0lfQ0ZHUkVBRCk7CisgICAgICAgIG5ld192YWwgPSAweGZmZmZmZmZmOworICAgICAg ICBjb25maWdfb3Bfc2VuZChwZGV2LCBQQ0lfQkFTRV9BRERSRVNTXzAgKyAoNCAqIGkpLCAmbmV3 X3ZhbCwgNCwKKyAgICAgICAgICAgICAgICAgICAgICAgTVBRRU1VX0NNRF9QQ0lfQ0ZHV1JJVEUp OworICAgICAgICBjb25maWdfb3Bfc2VuZChwZGV2LCBQQ0lfQkFTRV9BRERSRVNTXzAgKyAoNCAq IGkpLCAmbmV3X3ZhbCwgNCwKKyAgICAgICAgICAgICAgICAgICAgICAgTVBRRU1VX0NNRF9QQ0lf Q0ZHUkVBRCk7CisgICAgICAgIHNpemUgPSAofihuZXdfdmFsICYgMHhGRkZGRkZGMCkpICsgMTsK KyAgICAgICAgY29uZmlnX29wX3NlbmQocGRldiwgUENJX0JBU0VfQUREUkVTU18wICsgKDQgKiBp KSwgJm9yaWdfdmFsLCA0LAorICAgICAgICAgICAgICAgICAgICAgICBNUFFFTVVfQ01EX1BDSV9D RkdXUklURSk7CisgICAgICAgIHR5cGUgPSAobmV3X3ZhbCAmIDB4MSkgPworICAgICAgICAgICAg ICAgICAgIFBDSV9CQVNFX0FERFJFU1NfU1BBQ0VfSU8gOiBQQ0lfQkFTRV9BRERSRVNTX1NQQUNF X01FTU9SWTsKKworICAgICAgICBpZiAoc2l6ZSkgeworICAgICAgICAgICAgZ19hdXRvZnJlZSBj aGFyICpuYW1lOworICAgICAgICAgICAgcGRldi0+cmVnaW9uW2ldLmRldiA9IHBkZXY7CisgICAg ICAgICAgICBwZGV2LT5yZWdpb25baV0ucHJlc2VudCA9IHRydWU7CisgICAgICAgICAgICBpZiAo dHlwZSA9PSBQQ0lfQkFTRV9BRERSRVNTX1NQQUNFX01FTU9SWSkgeworICAgICAgICAgICAgICAg IHBkZXYtPnJlZ2lvbltpXS5tZW1vcnkgPSB0cnVlOworICAgICAgICAgICAgfQorICAgICAgICAg ICAgbmFtZSA9IGdfc3RyZHVwX3ByaW50ZigiYmFyLXJlZ2lvbi0lZCIsIGkpOworICAgICAgICAg ICAgbWVtb3J5X3JlZ2lvbl9pbml0X2lvKCZwZGV2LT5yZWdpb25baV0ubXIsIE9CSkVDVChwZGV2 KSwKKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAmcHJveHlfbXJfb3BzLCAmcGRl di0+cmVnaW9uW2ldLAorICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIG5hbWUsIHNp emUpOworICAgICAgICAgICAgcGNpX3JlZ2lzdGVyX2JhcihkZXYsIGksIHR5cGUsICZwZGV2LT5y ZWdpb25baV0ubXIpOworICAgICAgICB9CisgICAgfQorfQotLSAKMi4yOS4yCgo=