From patchwork Mon Jan 11 05:31:09 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 565643 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 6877B1402BF for ; Mon, 11 Jan 2016 16:43:09 +1100 (AEDT) Received: from localhost ([::1]:51711 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aIVFz-0003je-AV for incoming@patchwork.ozlabs.org; Mon, 11 Jan 2016 00:43:07 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36592) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aIV6h-0002Vy-Sn for qemu-devel@nongnu.org; Mon, 11 Jan 2016 00:33:33 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aIV6e-0008QH-LG for qemu-devel@nongnu.org; Mon, 11 Jan 2016 00:33:31 -0500 Received: from mx1.redhat.com ([209.132.183.28]:54242) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aIV6e-0008QB-Dv for qemu-devel@nongnu.org; Mon, 11 Jan 2016 00:33:28 -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 1591742E5D9; Mon, 11 Jan 2016 05:33:28 +0000 (UTC) Received: from jason-ThinkPad-T430s.nay.redhat.com (dhcp-15-133.nay.redhat.com [10.66.15.133]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u0B5VfLj018161; Mon, 11 Jan 2016 00:33:24 -0500 From: Jason Wang To: peter.maydell@linaro.org, qemu-devel@nongnu.org Date: Mon, 11 Jan 2016 13:31:09 +0800 Message-Id: <1452490275-18217-19-git-send-email-jasowang@redhat.com> In-Reply-To: <1452490275-18217-1-git-send-email-jasowang@redhat.com> References: <1452490275-18217-1-git-send-email-jasowang@redhat.com> 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: Jason Wang , Shmulik Ladkani Subject: [Qemu-devel] [PULL 18/24] vmxnet3: The vmxnet3 device is a PCIE endpoint 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: Shmulik Ladkani Report the 'express endpoint' capability if on a PCIE bus. Signed-off-by: Shmulik Ladkani Signed-off-by: Jason Wang --- hw/net/vmxnet3.c | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 52 insertions(+), 1 deletion(-) diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c index 3044711..4dc7519 100644 --- a/hw/net/vmxnet3.c +++ b/hw/net/vmxnet3.c @@ -40,7 +40,11 @@ #define VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS_BIT 0 #define VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS \ (1 << VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS_BIT) +#define VMXNET3_COMPAT_FLAG_DISABLE_PCIE_BIT 1 +#define VMXNET3_COMPAT_FLAG_DISABLE_PCIE \ + (1 << VMXNET3_COMPAT_FLAG_DISABLE_PCIE_BIT) +#define VMXNET3_EXP_EP_OFFSET (0x48) #define VMXNET3_MSI_OFFSET(s) \ ((s)->compat_flags & VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS ? 0x50 : 0x84) #define VMXNET3_MSIX_OFFSET(s) \ @@ -121,6 +125,7 @@ typedef struct VMXNET3Class { PCIDeviceClass parent_class; + DeviceRealize parent_dc_realize; } VMXNET3Class; #define TYPE_VMXNET3 "vmxnet3" @@ -2285,6 +2290,10 @@ static void vmxnet3_pci_realize(PCIDevice *pci_dev, Error **errp) vmxnet3_net_init(s); + if (pci_is_express(pci_dev) && pci_bus_is_express(pci_dev->bus)) { + pcie_endpoint_cap_init(pci_dev, VMXNET3_EXP_EP_OFFSET); + } + register_savevm(dev, "vmxnet3-msix", -1, 1, vmxnet3_msix_save, vmxnet3_msix_load, s); } @@ -2554,6 +2563,29 @@ static const VMStateInfo int_state_info = { .put = vmxnet3_put_int_state }; +static bool vmxnet3_vmstate_need_pcie_device(void *opaque) +{ + VMXNET3State *s = VMXNET3(opaque); + + return !(s->compat_flags & VMXNET3_COMPAT_FLAG_DISABLE_PCIE); +} + +static bool vmxnet3_vmstate_test_pci_device(void *opaque, int version_id) +{ + return !vmxnet3_vmstate_need_pcie_device(opaque); +} + +static const VMStateDescription vmstate_vmxnet3_pcie_device = { + .name = "vmxnet3/pcie", + .version_id = 1, + .minimum_version_id = 1, + .needed = vmxnet3_vmstate_need_pcie_device, + .fields = (VMStateField[]) { + VMSTATE_PCIE_DEVICE(parent_obj, VMXNET3State), + VMSTATE_END_OF_LIST() + } +}; + static const VMStateDescription vmstate_vmxnet3 = { .name = "vmxnet3", .version_id = 1, @@ -2561,7 +2593,9 @@ static const VMStateDescription vmstate_vmxnet3 = { .pre_save = vmxnet3_pre_save, .post_load = vmxnet3_post_load, .fields = (VMStateField[]) { - VMSTATE_PCI_DEVICE(parent_obj, VMXNET3State), + VMSTATE_STRUCT_TEST(parent_obj, VMXNET3State, + vmxnet3_vmstate_test_pci_device, 0, + vmstate_pci_device, PCIDevice), VMSTATE_BOOL(rx_packets_compound, VMXNET3State), VMSTATE_BOOL(rx_vlan_stripping, VMXNET3State), VMSTATE_BOOL(lro_supported, VMXNET3State), @@ -2596,6 +2630,7 @@ static const VMStateDescription vmstate_vmxnet3 = { }, .subsections = (const VMStateDescription*[]) { &vmxstate_vmxnet3_mcast_list, + &vmstate_vmxnet3_pcie_device, NULL } }; @@ -2607,10 +2642,24 @@ static Property vmxnet3_properties[] = { DEFINE_PROP_END_OF_LIST(), }; +static void vmxnet3_realize(DeviceState *qdev, Error **errp) +{ + VMXNET3Class *vc = VMXNET3_DEVICE_GET_CLASS(qdev); + PCIDevice *pci_dev = PCI_DEVICE(qdev); + VMXNET3State *s = VMXNET3(qdev); + + if (!(s->compat_flags & VMXNET3_COMPAT_FLAG_DISABLE_PCIE)) { + pci_dev->cap_present |= QEMU_PCI_CAP_EXPRESS; + } + + vc->parent_dc_realize(qdev, errp); +} + static void vmxnet3_class_init(ObjectClass *class, void *data) { DeviceClass *dc = DEVICE_CLASS(class); PCIDeviceClass *c = PCI_DEVICE_CLASS(class); + VMXNET3Class *vc = VMXNET3_DEVICE_CLASS(class); c->realize = vmxnet3_pci_realize; c->exit = vmxnet3_pci_uninit; @@ -2620,6 +2669,8 @@ static void vmxnet3_class_init(ObjectClass *class, void *data) c->class_id = PCI_CLASS_NETWORK_ETHERNET; c->subsystem_vendor_id = PCI_VENDOR_ID_VMWARE; c->subsystem_id = PCI_DEVICE_ID_VMWARE_VMXNET3; + vc->parent_dc_realize = dc->realize; + dc->realize = vmxnet3_realize; dc->desc = "VMWare Paravirtualized Ethernet v3"; dc->reset = vmxnet3_qdev_reset; dc->vmsd = &vmstate_vmxnet3;