diff mbox

[RESEND,RFC,1/6] hw/vfio/platform: amd-xgbe device

Message ID 1447946528-1533-2-git-send-email-eric.auger@linaro.org
State Superseded
Headers show

Commit Message

Auger Eric Nov. 19, 2015, 3:22 p.m. UTC
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 <eric.auger@linaro.org>

---
 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

-- 
1.8.3.2

Comments

Alex Bennée Nov. 25, 2015, 2:35 p.m. UTC | #1
Eric Auger <eric.auger@linaro.org> writes:

> 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 <eric.auger@linaro.org>


Reviewed-by: Alex Bennée <alex.bennee@linaro.org>


> ---

>  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 <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)

> 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 <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



--
Alex Bennée
diff mbox

Patch

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 <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)
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 <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