#include "libqos/virtio-mmio.h"
#include "libqos/malloc.h"
#include "libqos/malloc-generic.h"
+#include "standard-headers/linux/virtio_ring.h"
-static uint8_t qvirtio_mmio_config_readb(QVirtioDevice *d, uint64_t addr)
+static uint8_t qvirtio_mmio_config_readb(QVirtioDevice *d, uint64_t off)
{
QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
- return readb(dev->addr + addr);
+ return readb(dev->addr + QVIRTIO_MMIO_DEVICE_SPECIFIC + off);
}
-static uint16_t qvirtio_mmio_config_readw(QVirtioDevice *d, uint64_t addr)
+static uint16_t qvirtio_mmio_config_readw(QVirtioDevice *d, uint64_t off)
{
QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
- return readw(dev->addr + addr);
+ return readw(dev->addr + QVIRTIO_MMIO_DEVICE_SPECIFIC + off);
}
-static uint32_t qvirtio_mmio_config_readl(QVirtioDevice *d, uint64_t addr)
+static uint32_t qvirtio_mmio_config_readl(QVirtioDevice *d, uint64_t off)
{
QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
- return readl(dev->addr + addr);
+ return readl(dev->addr + QVIRTIO_MMIO_DEVICE_SPECIFIC + off);
}
-static uint64_t qvirtio_mmio_config_readq(QVirtioDevice *d, uint64_t addr)
+static uint64_t qvirtio_mmio_config_readq(QVirtioDevice *d, uint64_t off)
{
QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
- return readq(dev->addr + addr);
+ return readq(dev->addr + QVIRTIO_MMIO_DEVICE_SPECIFIC + off);
}
static uint32_t qvirtio_mmio_get_features(QVirtioDevice *d)
vq->free_head = 0;
vq->num_free = vq->size;
vq->align = dev->page_size;
- vq->indirect = (dev->features & QVIRTIO_F_RING_INDIRECT_DESC) != 0;
- vq->event = (dev->features & QVIRTIO_F_RING_EVENT_IDX) != 0;
+ vq->indirect = (dev->features & (1u << VIRTIO_RING_F_INDIRECT_DESC)) != 0;
+ vq->event = (dev->features & (1u << VIRTIO_RING_F_EVENT_IDX)) != 0;
writel(dev->addr + QVIRTIO_MMIO_QUEUE_NUM, vq->size);
return vq;
}
+static void qvirtio_mmio_virtqueue_cleanup(QVirtQueue *vq,
+ QGuestAllocator *alloc)
+{
+ guest_free(alloc, vq->desc);
+ g_free(vq);
+}
+
static void qvirtio_mmio_virtqueue_kick(QVirtioDevice *d, QVirtQueue *vq)
{
QVirtioMMIODevice *dev = (QVirtioMMIODevice *)d;
.get_queue_size = qvirtio_mmio_get_queue_size,
.set_queue_address = qvirtio_mmio_set_queue_address,
.virtqueue_setup = qvirtio_mmio_virtqueue_setup,
+ .virtqueue_cleanup = qvirtio_mmio_virtqueue_cleanup,
.virtqueue_kick = qvirtio_mmio_virtqueue_kick,
};
dev->addr = addr;
dev->page_size = page_size;
dev->vdev.device_type = readl(addr + QVIRTIO_MMIO_DEVICE_ID);
+ dev->vdev.bus = &qvirtio_mmio;
writel(addr + QVIRTIO_MMIO_GUEST_PAGE_SIZE, page_size);