Commit 62d95512 authored by Eric Auger's avatar Eric Auger Committed by Alex Williamson
Browse files

hw/vfio/platform: amd-xgbe device 



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: default avatarEric Auger <eric.auger@linaro.org>
Reviewed-by: default avatarAlex Bennée <alex.bennee@linaro.org>
Signed-off-by: default avatarAlex Williamson <alex.williamson@redhat.com>
parent 3fc1c182

hw/vfio/Makefile.objs

+1 −0
Original line number Diff line number Diff line
@@ -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

hw/vfio/amd-xgbe.c

0 → 100644
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/*

 * AMD XGBE VFIO device

 *

 * Copyright Linaro Limited, 2015

 *

 * Authors:

 *  Eric Auger <eric.auger@linaro.org>

 *

 * 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)

include/hw/vfio/vfio-amd-xgbe.h

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Original line number Diff line number Diff line 
/*

 * VFIO AMD XGBE device

 *

 * Copyright Linaro Limited, 2015

 *

 * Authors:

 *  Eric Auger <eric.auger@linaro.org>

 *

 * 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