From patchwork Thu May 26 02:16:21 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 626514 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3rFXwP67yxz9sCj for ; Thu, 26 May 2016 12:22:13 +1000 (AEST) Received: from localhost ([::1]:36033 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b5kw7-0003S7-O8 for incoming@patchwork.ozlabs.org; Wed, 25 May 2016 22:22:11 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58670) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b5kr5-00074Y-0p for qemu-devel@nongnu.org; Wed, 25 May 2016 22:17:00 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b5kr2-0001V2-Vy for qemu-devel@nongnu.org; Wed, 25 May 2016 22:16:57 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59780) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b5kr2-0001Uy-Q5 for qemu-devel@nongnu.org; Wed, 25 May 2016 22:16:56 -0400 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 6FE937F361; Thu, 26 May 2016 02:16:56 +0000 (UTC) Received: from jason-ThinkPad-T450s.redhat.com (vpn1-4-12.pek2.redhat.com [10.72.4.12]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u4Q2GaLF032564; Wed, 25 May 2016 22:16:53 -0400 From: Jason Wang To: peter.maydell@linaro.org, qemu-devel@nongnu.org Date: Thu, 26 May 2016 10:16:21 +0800 Message-Id: <1464228995-26657-7-git-send-email-jasowang@redhat.com> In-Reply-To: <1464228995-26657-1-git-send-email-jasowang@redhat.com> References: <1464228995-26657-1-git-send-email-jasowang@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Thu, 26 May 2016 02:16:56 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL V3 06/20] pcie: Introduce function for DSN capability creation 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: Leonid Bloch , Jason Wang , Dmitry Fleytman Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Dmitry Fleytman Reviewed-by: Michael S. Tsirkin Signed-off-by: Dmitry Fleytman Signed-off-by: Leonid Bloch Signed-off-by: Jason Wang --- hw/pci/pcie.c | 10 ++++++++++ include/hw/pci/pcie.h | 1 + 2 files changed, 11 insertions(+) diff --git a/hw/pci/pcie.c b/hw/pci/pcie.c index 24cfc3b..9599fde 100644 --- a/hw/pci/pcie.c +++ b/hw/pci/pcie.c @@ -695,3 +695,13 @@ void pcie_ari_init(PCIDevice *dev, uint16_t offset, uint16_t nextfn) offset, PCI_ARI_SIZEOF); pci_set_long(dev->config + offset + PCI_ARI_CAP, (nextfn & 0xff) << 8); } + +void pcie_dev_ser_num_init(PCIDevice *dev, uint16_t offset, uint64_t ser_num) +{ + static const int pci_dsn_ver = 1; + static const int pci_dsn_cap = 4; + + pcie_add_capability(dev, PCI_EXT_CAP_ID_DSN, pci_dsn_ver, offset, + PCI_EXT_CAP_DSN_SIZEOF); + pci_set_quad(dev->config + offset + pci_dsn_cap, ser_num); +} diff --git a/include/hw/pci/pcie.h b/include/hw/pci/pcie.h index cbbf0c5..056d25e 100644 --- a/include/hw/pci/pcie.h +++ b/include/hw/pci/pcie.h @@ -119,6 +119,7 @@ void pcie_add_capability(PCIDevice *dev, uint16_t offset, uint16_t size); void pcie_ari_init(PCIDevice *dev, uint16_t offset, uint16_t nextfn); +void pcie_dev_ser_num_init(PCIDevice *dev, uint16_t offset, uint64_t ser_num); extern const VMStateDescription vmstate_pcie_device;