From patchwork Thu Jul 31 06:31:38 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tiejun Chen X-Patchwork-Id: 375141 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 1D1AB14011D for ; Thu, 31 Jul 2014 16:38:25 +1000 (EST) Received: from localhost ([::1]:54555 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XCk0N-0008R4-9m for incoming@patchwork.ozlabs.org; Thu, 31 Jul 2014 02:38:23 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41250) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XCjxH-0003ZD-Q8 for qemu-devel@nongnu.org; Thu, 31 Jul 2014 02:35:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XCjx5-00088Y-1z for qemu-devel@nongnu.org; Thu, 31 Jul 2014 02:35:11 -0400 Received: from mga11.intel.com ([192.55.52.93]:26723) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XCjx4-00088D-T6 for qemu-devel@nongnu.org; Thu, 31 Jul 2014 02:34:58 -0400 Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP; 30 Jul 2014 23:34:57 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,770,1400050800"; d="scan'208";a="569811629" Received: from tchen0-linux.bj.intel.com ([10.238.154.58]) by fmsmga001.fm.intel.com with ESMTP; 30 Jul 2014 23:34:26 -0700 From: Tiejun Chen To: mst@redhat.com Date: Thu, 31 Jul 2014 14:31:38 +0800 Message-Id: <1406788299-8394-5-git-send-email-tiejun.chen@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1406788299-8394-1-git-send-email-tiejun.chen@intel.com> References: <1406788299-8394-1-git-send-email-tiejun.chen@intel.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.93 Cc: pbonzini@redhat.com, xen-devel@lists.xensource.com, qemu-devel@nongnu.org, stefano.stabellini@eu.citrix.com Subject: [Qemu-devel] [v2][PATCH 4/5] xen:hw:pci-host:piix: introduce xen_igd_passthrough_i440fx_init X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This is almost same as an original i440fx_init but just work with that xen igd host bridge to passthrough. Signed-off-by: Tiejun Chen --- hw/pci-host/piix.c | 32 ++++++++++++++++++++++++++++++++ include/hw/i386/pc.h | 11 +++++++++++ 2 files changed, 43 insertions(+) v2: * Based on patch #2 to regenerate diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c index 8414864..5977841 100644 --- a/hw/pci-host/piix.c +++ b/hw/pci-host/piix.c @@ -465,6 +465,38 @@ PCIBus *i440fx_init(PCII440FXState **pi440fx_state, return bus_bridge; } +PCIBus *xen_igd_passthrough_i440fx_init(PCII440FXState **pi440fx_state, + int *piix3_devfn, + ISABus **isa_bus, + qemu_irq *pic, + MemoryRegion *address_space_mem, + MemoryRegion *address_space_io, + ram_addr_t ram_size, + ram_addr_t below_4g_mem_size, + ram_addr_t above_4g_mem_size, + MemoryRegion *pci_address_space, + MemoryRegion *ram_memory) +{ + PCIDevice *d; + DeviceState *dev_bridge; + PCIBus *bus_bridge; + + i440fx_pci_host_create(&dev_bridge, &bus_bridge, address_space_io, + pci_address_space); + + d = i440fx_pci0_create(&bus_bridge, + TYPE_XEN_IGD_PASSTHROUGH_I440FX_PCI_DEVICE, + pi440fx_state); + + bus_bridge = i440fx_pci_setup(&dev_bridge, &bus_bridge, d, pi440fx_state, + piix3_devfn, isa_bus, pic, address_space_mem, + address_space_io, ram_size, below_4g_mem_size, + above_4g_mem_size, pci_address_space, + ram_memory); + + return bus_bridge; +} + PCIBus *find_i440fx(void) { PCIHostState *s = OBJECT_CHECK(PCIHostState, diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index f4b9b2b..65b75a2 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -240,6 +240,17 @@ PCIBus *i440fx_init(PCII440FXState **pi440fx_state, int *piix_devfn, MemoryRegion *pci_memory, MemoryRegion *ram_memory); +PCIBus *xen_igd_passthrough_i440fx_init(PCII440FXState **pi440fx_state, + int *piix_devfn, + ISABus **isa_bus, qemu_irq *pic, + MemoryRegion *address_space_mem, + MemoryRegion *address_space_io, + ram_addr_t ram_size, + ram_addr_t below_4g_mem_size, + ram_addr_t above_4g_mem_size, + MemoryRegion *pci_memory, + MemoryRegion *ram_memory); + PCIBus *find_i440fx(void); /* piix4.c */ extern PCIDevice *piix4_dev;