Displaying 12 results from an estimated 12 matches for "virtio_mmio_driver_features_sel".
2017 Jan 12
1
[PATCH 1/2] virtio_mmio: add standard header file
...evice (host) features set selector - Write Only */
+#define VIRTIO_MMIO_DEVICE_FEATURES_SEL 0x014
+
+/* Bitmask of features activated by the driver (guest)
+ * (32 bits per set) - Write Only */
+#define VIRTIO_MMIO_DRIVER_FEATURES 0x020
+
+/* Activated features set selector - Write Only */
+#define VIRTIO_MMIO_DRIVER_FEATURES_SEL 0x024
+
+
+#ifndef VIRTIO_MMIO_NO_LEGACY /* LEGACY DEVICES ONLY! */
+
+/* Guest's memory page size in bytes - Write Only */
+#define VIRTIO_MMIO_GUEST_PAGE_SIZE 0x028
+
+#endif
+
+
+/* Queue selector - Write Only */
+#define VIRTIO_MMIO_QUEUE_SEL 0x030
+
+/* Maximum size of the currently selec...
2017 Jan 12
1
[PATCH 1/2] virtio_mmio: add standard header file
...evice (host) features set selector - Write Only */
+#define VIRTIO_MMIO_DEVICE_FEATURES_SEL 0x014
+
+/* Bitmask of features activated by the driver (guest)
+ * (32 bits per set) - Write Only */
+#define VIRTIO_MMIO_DRIVER_FEATURES 0x020
+
+/* Activated features set selector - Write Only */
+#define VIRTIO_MMIO_DRIVER_FEATURES_SEL 0x024
+
+
+#ifndef VIRTIO_MMIO_NO_LEGACY /* LEGACY DEVICES ONLY! */
+
+/* Guest's memory page size in bytes - Write Only */
+#define VIRTIO_MMIO_GUEST_PAGE_SIZE 0x028
+
+#endif
+
+
+/* Queue selector - Write Only */
+#define VIRTIO_MMIO_QUEUE_SEL 0x030
+
+/* Maximum size of the currently selec...
2015 Jan 20
4
[PATCH v2] virtio-mmio: Update the device to OASIS spec version
...e is are no mixed devices */
+ if (vm_dev->version == 2 &&
+ !__virtio_test_bit(vdev, VIRTIO_F_VERSION_1)) {
+ dev_err(&vdev->dev, "New virtio-mmio devices (version 2) must provide VIRTIO_F_VERSION_1 feature!\n");
+ return -EINVAL;
+ }
+
+ writel(1, vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES_SEL);
+ writel((u32)(vdev->features >> 32),
+ vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES);
- writel(0, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES_SEL);
- writel(vdev->features, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES);
+ writel(0, vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES_...
2015 Jan 20
4
[PATCH v2] virtio-mmio: Update the device to OASIS spec version
...e is are no mixed devices */
+ if (vm_dev->version == 2 &&
+ !__virtio_test_bit(vdev, VIRTIO_F_VERSION_1)) {
+ dev_err(&vdev->dev, "New virtio-mmio devices (version 2) must provide VIRTIO_F_VERSION_1 feature!\n");
+ return -EINVAL;
+ }
+
+ writel(1, vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES_SEL);
+ writel((u32)(vdev->features >> 32),
+ vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES);
- writel(0, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES_SEL);
- writel(vdev->features, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES);
+ writel(0, vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES_...
2015 Jan 20
1
[PATCH] virtio-mmio: Update the device to OASIS spec version
...@ static int vm_finalize_features(struct virtio_device *vdev)
/* Give virtio_ring a chance to accept features. */
vring_transport_features(vdev);
- /* Make sure we don't have any features > 32 bits! */
- BUG_ON((u32)vdev->features != vdev->features);
+ writel(1, vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES_SEL);
+ writel((u32)(vdev->features >> 32),
+ vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES);
- writel(0, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES_SEL);
- writel(vdev->features, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES);
+ writel(0, vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES_...
2015 Jan 20
1
[PATCH] virtio-mmio: Update the device to OASIS spec version
...@ static int vm_finalize_features(struct virtio_device *vdev)
/* Give virtio_ring a chance to accept features. */
vring_transport_features(vdev);
- /* Make sure we don't have any features > 32 bits! */
- BUG_ON((u32)vdev->features != vdev->features);
+ writel(1, vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES_SEL);
+ writel((u32)(vdev->features >> 32),
+ vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES);
- writel(0, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES_SEL);
- writel(vdev->features, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES);
+ writel(0, vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES_...
2015 Jan 20
0
[PATCH v2] virtio-mmio: Update the device to OASIS spec version
...if (vm_dev->version == 2 &&
> + !__virtio_test_bit(vdev, VIRTIO_F_VERSION_1)) {
> + dev_err(&vdev->dev, "New virtio-mmio devices (version 2) must provide VIRTIO_F_VERSION_1 feature!\n");
> + return -EINVAL;
> + }
> +
> + writel(1, vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES_SEL);
> + writel((u32)(vdev->features >> 32),
> + vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES);
>
> - writel(0, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES_SEL);
> - writel(vdev->features, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES);
> + writel(0, vm_dev->base...
2015 Jan 20
0
[PATCH v2] virtio-mmio: Update the device to OASIS spec version
...if (vm_dev->version == 2 &&
> + !__virtio_test_bit(vdev, VIRTIO_F_VERSION_1)) {
> + dev_err(&vdev->dev, "New virtio-mmio devices (version 2) must provide VIRTIO_F_VERSION_1 feature!\n");
> + return -EINVAL;
> + }
> +
> + writel(1, vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES_SEL);
> + writel((u32)(vdev->features >> 32),
> + vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES);
>
> - writel(0, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES_SEL);
> - writel(vdev->features, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES);
> + writel(0, vm_dev->base...
2014 Dec 19
5
[RFC] virtio-mmio: Update the device to OASIS spec version
...@ static int vm_finalize_features(struct virtio_device *vdev)
/* Give virtio_ring a chance to accept features. */
vring_transport_features(vdev);
- /* Make sure we don't have any features > 32 bits! */
- BUG_ON((u32)vdev->features != vdev->features);
+ writel(1, vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES_SEL);
+ writel((vdev->features >> 32) & 0xffffffff,
+ vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES);
- writel(0, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES_SEL);
- writel(vdev->features, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES);
+ writel(0, vm_dev->base + VIRTIO_MMIO_DRIV...
2014 Dec 19
5
[RFC] virtio-mmio: Update the device to OASIS spec version
...@ static int vm_finalize_features(struct virtio_device *vdev)
/* Give virtio_ring a chance to accept features. */
vring_transport_features(vdev);
- /* Make sure we don't have any features > 32 bits! */
- BUG_ON((u32)vdev->features != vdev->features);
+ writel(1, vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES_SEL);
+ writel((vdev->features >> 32) & 0xffffffff,
+ vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES);
- writel(0, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES_SEL);
- writel(vdev->features, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES);
+ writel(0, vm_dev->base + VIRTIO_MMIO_DRIV...
2015 Jan 15
0
[RFC] virtio-mmio: Update the device to OASIS spec version
...res(struct virtio_device *vdev)
> /* Give virtio_ring a chance to accept features. */
> vring_transport_features(vdev);
>
> - /* Make sure we don't have any features > 32 bits! */
> - BUG_ON((u32)vdev->features != vdev->features);
> + writel(1, vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES_SEL);
> + writel((vdev->features >> 32) & 0xffffffff,
> + vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES);
>
> - writel(0, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES_SEL);
> - writel(vdev->features, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES);
> + writel(0, vm_d...
2015 Jan 15
0
[RFC] virtio-mmio: Update the device to OASIS spec version
...res(struct virtio_device *vdev)
> /* Give virtio_ring a chance to accept features. */
> vring_transport_features(vdev);
>
> - /* Make sure we don't have any features > 32 bits! */
> - BUG_ON((u32)vdev->features != vdev->features);
> + writel(1, vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES_SEL);
> + writel((vdev->features >> 32) & 0xffffffff,
> + vm_dev->base + VIRTIO_MMIO_DRIVER_FEATURES);
>
> - writel(0, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES_SEL);
> - writel(vdev->features, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES);
> + writel(0, vm_d...