It is needed to introduce a new callback enabling to retrieve the
struct device* from the vfio_platform_device. Implementation depends
on the underlying device, platform or amba. This will be used to retrieve
the compatibility string of the device.
Signed-off-by: Eric Auger <eric.auger@xxxxxxxxxx>
---
drivers/vfio/platform/vfio_amba.c | 9 +++++++++
drivers/vfio/platform/vfio_platform.c | 10 ++++++++++
drivers/vfio/platform/vfio_platform_private.h | 1 +
3 files changed, 20 insertions(+)
diff --git a/drivers/vfio/platform/vfio_amba.c b/drivers/vfio/platform/vfio_amba.c
index ff0331f..fd68115 100644
--- a/drivers/vfio/platform/vfio_amba.c
+++ b/drivers/vfio/platform/vfio_amba.c
@@ -48,6 +48,14 @@ static int get_amba_irq(struct vfio_platform_device *vdev, int i)
return ret ? ret : -ENXIO;
}
+static struct device *vfio_amba_get_device(struct vfio_platform_device *vdev)
+{
+ struct amba_device *pdev = (struct amba_device *) vdev->opaque;
+ struct device *dev = &pdev->dev;
+
+ return dev;
+}
+
static int vfio_amba_probe(struct amba_device *adev, const struct amba_id *id)
{
struct vfio_platform_device *vdev;
@@ -67,6 +75,7 @@ static int vfio_amba_probe(struct amba_device *adev, const struct amba_id *id)
vdev->flags = VFIO_DEVICE_FLAGS_AMBA;
vdev->get_resource = get_amba_resource;
vdev->get_irq = get_amba_irq;
+ vdev->get_device = vfio_amba_get_device;
ret = vfio_platform_probe_common(vdev, &adev->dev);
if (ret) {
diff --git a/drivers/vfio/platform/vfio_platform.c b/drivers/vfio/platform/vfio_platform.c
index cef645c..c025d76 100644
--- a/drivers/vfio/platform/vfio_platform.c
+++ b/drivers/vfio/platform/vfio_platform.c
@@ -51,6 +51,15 @@ static int get_platform_irq(struct vfio_platform_device *vdev, int i)
return platform_get_irq(pdev, i);
}
+static struct device *vfio_platform_get_device(
+ struct vfio_platform_device *vdev)
+{
+ struct platform_device *pdev = (struct platform_device *) vdev->opaque;
+ struct device *dev = &pdev->dev;
+
+ return dev;
+}
+
static int vfio_platform_probe(struct platform_device *pdev)
{
struct vfio_platform_device *vdev;
@@ -65,6 +74,7 @@ static int vfio_platform_probe(struct platform_device *pdev)
vdev->flags = VFIO_DEVICE_FLAGS_PLATFORM;
vdev->get_resource = get_platform_resource;
vdev->get_irq = get_platform_irq;
+ vdev->get_device = vfio_platform_get_device;
ret = vfio_platform_probe_common(vdev, &pdev->dev);
if (ret)
diff --git a/drivers/vfio/platform/vfio_platform_private.h b/drivers/vfio/platform/vfio_platform_private.h
index da2d60b..68909a4 100644
--- a/drivers/vfio/platform/vfio_platform_private.h
+++ b/drivers/vfio/platform/vfio_platform_private.h
@@ -67,6 +67,7 @@ struct vfio_platform_device {
struct resource*
(*get_resource)(struct vfio_platform_device *vdev, int i);
int (*get_irq)(struct vfio_platform_device *vdev, int i);
+ struct device *(*get_device)(struct vfio_platform_device *vdev);
};
typedef int (*vfio_platform_reset_fn_t)(struct vfio_platform_device *vdev);
--
1.9.1
--
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