From patchwork Fri Aug 4 11:29:38 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cornelia Huck X-Patchwork-Id: 9881533 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 3BD1D602B8 for ; Fri, 4 Aug 2017 15:35:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 29CAA20144 for ; Fri, 4 Aug 2017 15:35:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1E5E0286D9; Fri, 4 Aug 2017 15:35:59 +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 825F920144 for ; Fri, 4 Aug 2017 15:35:58 +0000 (UTC) Received: from localhost ([::1]:46375 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ddedp-0003fZ-CU for patchwork-qemu-devel@patchwork.kernel.org; Fri, 04 Aug 2017 11:35:57 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52194) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dddsH-0002fm-3L for qemu-devel@nongnu.org; Fri, 04 Aug 2017 10:47:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ddanl-0003MZ-RO for qemu-devel@nongnu.org; Fri, 04 Aug 2017 07:31:31 -0400 Received: from mx1.redhat.com ([209.132.183.28]:58730) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ddanl-0003L8-DX for qemu-devel@nongnu.org; Fri, 04 Aug 2017 07:29:57 -0400 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 mx1.redhat.com (Postfix) with ESMTPS id 25EFF356E2; Fri, 4 Aug 2017 11:29:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 25EFF356E2 Authentication-Results: ext-mx06.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx06.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=cohuck@redhat.com Received: from localhost (dhcp-192-215.str.redhat.com [10.33.192.215]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 811E88BE35; Fri, 4 Aug 2017 11:29:53 +0000 (UTC) From: Cornelia Huck To: qemu-devel@nongnu.org Date: Fri, 4 Aug 2017 13:29:38 +0200 Message-Id: <20170804112946.5247-2-cohuck@redhat.com> In-Reply-To: <20170804112946.5247-1-cohuck@redhat.com> References: <20170804112946.5247-1-cohuck@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Fri, 04 Aug 2017 11:29:56 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v4 1/9] kvm: remove hard dependency on pci 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: thuth@redhat.com, zyimin@linux.vnet.ibm.com, david@redhat.com, Cornelia Huck , pmorel@linux.vnet.ibm.com, agraf@suse.de, borntraeger@de.ibm.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP The msi routing code in kvm calls some pci functions: provide some stubs to enable builds without pci. Also, to make this more obvious, guard them via a pci_available boolean (which also can be reused in other places). Fixes: e1d4fb2de ("kvm-irqchip: x86: add msi route notify fn") Fixes: 767a554a0 ("kvm-all: Pass requester ID to MSI routing functions") Signed-off-by: Cornelia Huck --- accel/kvm/kvm-all.c | 6 +++--- hw/pci/pci-stub.c | 13 +++++++++++++ hw/pci/pci.c | 2 ++ include/hw/pci/pci.h | 2 ++ 4 files changed, 20 insertions(+), 3 deletions(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 46ce479dc3..f85553a851 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -1248,7 +1248,7 @@ int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev) int virq; MSIMessage msg = {0, 0}; - if (dev) { + if (pci_available && dev) { msg = pci_get_msi_message(dev, vector); } @@ -1271,7 +1271,7 @@ int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev) kroute.u.msi.address_lo = (uint32_t)msg.address; kroute.u.msi.address_hi = msg.address >> 32; kroute.u.msi.data = le32_to_cpu(msg.data); - if (kvm_msi_devid_required()) { + if (pci_available && kvm_msi_devid_required()) { kroute.flags = KVM_MSI_VALID_DEVID; kroute.u.msi.devid = pci_requester_id(dev); } @@ -1309,7 +1309,7 @@ int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg, kroute.u.msi.address_lo = (uint32_t)msg.address; kroute.u.msi.address_hi = msg.address >> 32; kroute.u.msi.data = le32_to_cpu(msg.data); - if (kvm_msi_devid_required()) { + if (pci_available && kvm_msi_devid_required()) { kroute.flags = KVM_MSI_VALID_DEVID; kroute.u.msi.devid = pci_requester_id(dev); } diff --git a/hw/pci/pci-stub.c b/hw/pci/pci-stub.c index ecad664946..877c5d165e 100644 --- a/hw/pci/pci-stub.c +++ b/hw/pci/pci-stub.c @@ -23,10 +23,12 @@ #include "monitor/monitor.h" #include "qapi/qmp/qerror.h" #include "hw/pci/pci.h" +#include "hw/pci/msi.h" #include "qmp-commands.h" #include "hw/pci/msi.h" bool msi_nonbroken; +bool pci_available; PciInfoList *qmp_query_pci(Error **errp) { @@ -38,3 +40,14 @@ void hmp_pcie_aer_inject_error(Monitor *mon, const QDict *qdict) { monitor_printf(mon, "PCI devices not supported\n"); } + +/* kvm-all wants this */ +MSIMessage pci_get_msi_message(PCIDevice *dev, int vector) +{ + assert(false); +} + +uint16_t pci_requester_id(PCIDevice *dev) +{ + assert(false); +} diff --git a/hw/pci/pci.c b/hw/pci/pci.c index 258fbe51e2..26f346db2c 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -49,6 +49,8 @@ # define PCI_DPRINTF(format, ...) do { } while (0) #endif +bool pci_available = true; + static void pcibus_dev_print(Monitor *mon, DeviceState *dev, int indent); static char *pcibus_get_dev_path(DeviceState *dev); static char *pcibus_get_fw_dev_path(DeviceState *dev); diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index e598b095eb..8bb6449dd7 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -10,6 +10,8 @@ #include "hw/pci/pcie.h" +extern bool pci_available; + /* PCI bus */ #define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07))