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[Qemu-devel] [PATCH V4 12/19] virtio-mmio: switch to bus specific queue
From: |
Jason Wang |
Subject: |
[Qemu-devel] [PATCH V4 12/19] virtio-mmio: switch to bus specific queue limit |
Date: |
Wed, 18 Mar 2015 17:35:02 +0800 |
Cc: Michael S. Tsirkin <address@hidden>
Signed-off-by: Jason Wang <address@hidden>
---
hw/virtio/virtio-mmio.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/hw/virtio/virtio-mmio.c b/hw/virtio/virtio-mmio.c
index 2ae6942..dbd44b6 100644
--- a/hw/virtio/virtio-mmio.c
+++ b/hw/virtio/virtio-mmio.c
@@ -34,6 +34,8 @@ do { printf("virtio_mmio: " fmt , ## __VA_ARGS__); } while (0)
#define DPRINTF(fmt, ...) do {} while (0)
#endif
+#define VIRTIO_MMIO_QUEUE_MAX 64
+
/* QOM macros */
/* virtio-mmio-bus */
#define TYPE_VIRTIO_MMIO_BUS "virtio-mmio-bus"
@@ -237,7 +239,7 @@ static void virtio_mmio_write(void *opaque, hwaddr offset,
uint64_t value,
proxy->guest_page_shift);
break;
case VIRTIO_MMIO_QUEUESEL:
- if (value < VIRTIO_PCI_QUEUE_MAX) {
+ if (value < virtio_get_queue_max(vdev)) {
vdev->queue_sel = value;
}
break;
@@ -257,7 +259,7 @@ static void virtio_mmio_write(void *opaque, hwaddr offset,
uint64_t value,
}
break;
case VIRTIO_MMIO_QUEUENOTIFY:
- if (value < VIRTIO_PCI_QUEUE_MAX) {
+ if (value < virtio_get_queue_max(vdev)) {
virtio_queue_notify(vdev, value);
}
break;
@@ -403,7 +405,7 @@ static void virtio_mmio_bus_class_init(ObjectClass *klass,
void *data)
k->device_plugged = virtio_mmio_device_plugged;
k->has_variable_vring_alignment = true;
bus_class->max_dev = 1;
- k->queue_max = VIRTIO_PCI_QUEUE_MAX;
+ k->queue_max = VIRTIO_MMIO_QUEUE_MAX;
}
static const TypeInfo virtio_mmio_bus_info = {
--
2.1.0
- Re: [Qemu-devel] [PATCH V4 07/19] virtio-net: validate backend queue numbers against bus limitation, (continued)
- [Qemu-devel] [PATCH V4 10/19] virtio-ccw: introduce ccw specific queue limit, Jason Wang, 2015/03/18
- [Qemu-devel] [PATCH V4 09/19] virito: introduce bus specific queue limit, Jason Wang, 2015/03/18
- [Qemu-devel] [PATCH V4 11/19] virtio-s390: switch to bus specific queue limit, Jason Wang, 2015/03/18
- [Qemu-devel] [PATCH V4 13/19] virtio-pci: switch to use bus specific queue limit, Jason Wang, 2015/03/18
- [Qemu-devel] [PATCH V4 12/19] virtio-mmio: switch to bus specific queue limit,
Jason Wang <=
- [Qemu-devel] [PATCH V4 14/19] virtio: introduce vector to virtqueues mapping, Jason Wang, 2015/03/18
- [Qemu-devel] [PATCH V4 16/19] virtio-pci: speedup MSI-X masking and unmasking, Jason Wang, 2015/03/18
- [Qemu-devel] [PATCH V4 15/19] virtio: introduce virtio_queue_get_index(), Jason Wang, 2015/03/18
- [Qemu-devel] [PATCH V4 17/19] virtio-pci: increase the maximum number of virtqueues to 513, Jason Wang, 2015/03/18
- [Qemu-devel] [PATCH V4 18/19] pci: remove hard-coded bar size in msix_init_exclusive_bar(), Jason Wang, 2015/03/18