From patchwork Fri Feb 19 17:40:06 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Alex Williamson X-Patchwork-Id: 585347 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 14FD2140775 for ; Sat, 20 Feb 2016 04:44:28 +1100 (AEDT) Received: from localhost ([::1]:54199 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aWp6Q-0003d4-68 for incoming@patchwork.ozlabs.org; Fri, 19 Feb 2016 12:44:26 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44042) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aWp2H-0003sQ-Br for qemu-devel@nongnu.org; Fri, 19 Feb 2016 12:40:10 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aWp2G-0006at-1w for qemu-devel@nongnu.org; Fri, 19 Feb 2016 12:40:09 -0500 Received: from mx1.redhat.com ([209.132.183.28]:44981) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aWp2F-0006aT-LL for qemu-devel@nongnu.org; Fri, 19 Feb 2016 12:40:07 -0500 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (Postfix) with ESMTPS id 4AB7019D22D; Fri, 19 Feb 2016 17:40:07 +0000 (UTC) Received: from gimli.home (ovpn-113-102.phx2.redhat.com [10.3.113.102]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u1JHe6vq030760; Fri, 19 Feb 2016 12:40:06 -0500 From: Alex Williamson To: qemu-devel@nongnu.org Date: Fri, 19 Feb 2016 10:40:06 -0700 Message-ID: <20160219174006.16497.29280.stgit@gimli.home> In-Reply-To: <20160219173708.16497.23357.stgit@gimli.home> References: <20160219173708.16497.23357.stgit@gimli.home> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: Alex =?utf-8?q?Benn=C3=A9e?= , Eric Auger Subject: [Qemu-devel] [PULL 06/14] hw/vfio/platform: amd-xgbe device 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 From: Eric Auger This patch introduces the amd-xgbe VFIO platform device. It allows the guest to do passthrough on a device exposing an "amd,xgbe-seattle-v1a" compat string. Signed-off-by: Eric Auger Reviewed-by: Alex Bennée Signed-off-by: Alex Williamson --- hw/vfio/Makefile.objs | 1 + hw/vfio/amd-xgbe.c | 55 +++++++++++++++++++++++++++++++++++++++ include/hw/vfio/vfio-amd-xgbe.h | 51 ++++++++++++++++++++++++++++++++++++ 3 files changed, 107 insertions(+) create mode 100644 hw/vfio/amd-xgbe.c create mode 100644 include/hw/vfio/vfio-amd-xgbe.h diff --git a/hw/vfio/Makefile.objs b/hw/vfio/Makefile.objs index d324863..ceddbb8 100644 --- a/hw/vfio/Makefile.objs +++ b/hw/vfio/Makefile.objs @@ -3,4 +3,5 @@ obj-$(CONFIG_SOFTMMU) += common.o obj-$(CONFIG_PCI) += pci.o pci-quirks.o obj-$(CONFIG_SOFTMMU) += platform.o obj-$(CONFIG_SOFTMMU) += calxeda-xgmac.o +obj-$(CONFIG_SOFTMMU) += amd-xgbe.o endif diff --git a/hw/vfio/amd-xgbe.c b/hw/vfio/amd-xgbe.c new file mode 100644 index 0000000..53451eb --- /dev/null +++ b/hw/vfio/amd-xgbe.c @@ -0,0 +1,55 @@ +/* + * AMD XGBE VFIO device + * + * Copyright Linaro Limited, 2015 + * + * Authors: + * Eric Auger + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + * + */ + +#include "hw/vfio/vfio-amd-xgbe.h" + +static void amd_xgbe_realize(DeviceState *dev, Error **errp) +{ + VFIOPlatformDevice *vdev = VFIO_PLATFORM_DEVICE(dev); + VFIOAmdXgbeDeviceClass *k = VFIO_AMD_XGBE_DEVICE_GET_CLASS(dev); + + vdev->compat = g_strdup("amd,xgbe-seattle-v1a"); + + k->parent_realize(dev, errp); +} + +static const VMStateDescription vfio_platform_amd_xgbe_vmstate = { + .name = TYPE_VFIO_AMD_XGBE, + .unmigratable = 1, +}; + +static void vfio_amd_xgbe_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + VFIOAmdXgbeDeviceClass *vcxc = + VFIO_AMD_XGBE_DEVICE_CLASS(klass); + vcxc->parent_realize = dc->realize; + dc->realize = amd_xgbe_realize; + dc->desc = "VFIO AMD XGBE"; + dc->vmsd = &vfio_platform_amd_xgbe_vmstate; +} + +static const TypeInfo vfio_amd_xgbe_dev_info = { + .name = TYPE_VFIO_AMD_XGBE, + .parent = TYPE_VFIO_PLATFORM, + .instance_size = sizeof(VFIOAmdXgbeDevice), + .class_init = vfio_amd_xgbe_class_init, + .class_size = sizeof(VFIOAmdXgbeDeviceClass), +}; + +static void register_amd_xgbe_dev_type(void) +{ + type_register_static(&vfio_amd_xgbe_dev_info); +} + +type_init(register_amd_xgbe_dev_type) diff --git a/include/hw/vfio/vfio-amd-xgbe.h b/include/hw/vfio/vfio-amd-xgbe.h new file mode 100644 index 0000000..9fff65e --- /dev/null +++ b/include/hw/vfio/vfio-amd-xgbe.h @@ -0,0 +1,51 @@ +/* + * VFIO AMD XGBE device + * + * Copyright Linaro Limited, 2015 + * + * Authors: + * Eric Auger + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + * + */ + +#ifndef HW_VFIO_VFIO_AMD_XGBE_H +#define HW_VFIO_VFIO_AMD_XGBE_H + +#include "hw/vfio/vfio-platform.h" + +#define TYPE_VFIO_AMD_XGBE "vfio-amd-xgbe" + +/** + * This device exposes: + * - 5 MMIO regions: MAC, PCS, SerDes Rx/Tx regs, + SerDes Integration Registers 1/2 & 2/2 + * - 2 level sensitive IRQs and optional DMA channel IRQs + */ +struct VFIOAmdXgbeDevice { + VFIOPlatformDevice vdev; +}; + +typedef struct VFIOAmdXgbeDevice VFIOAmdXgbeDevice; + +struct VFIOAmdXgbeDeviceClass { + /*< private >*/ + VFIOPlatformDeviceClass parent_class; + /*< public >*/ + DeviceRealize parent_realize; +}; + +typedef struct VFIOAmdXgbeDeviceClass VFIOAmdXgbeDeviceClass; + +#define VFIO_AMD_XGBE_DEVICE(obj) \ + OBJECT_CHECK(VFIOAmdXgbeDevice, (obj), TYPE_VFIO_AMD_XGBE) +#define VFIO_AMD_XGBE_DEVICE_CLASS(klass) \ + OBJECT_CLASS_CHECK(VFIOAmdXgbeDeviceClass, (klass), \ + TYPE_VFIO_AMD_XGBE) +#define VFIO_AMD_XGBE_DEVICE_GET_CLASS(obj) \ + OBJECT_GET_CLASS(VFIOAmdXgbeDeviceClass, (obj), \ + TYPE_VFIO_AMD_XGBE) + +#endif