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path: root/usr.sbin/bhyve/pci_virtio_net.c
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Diffstat (limited to 'usr.sbin/bhyve/pci_virtio_net.c')
-rw-r--r--usr.sbin/bhyve/pci_virtio_net.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/usr.sbin/bhyve/pci_virtio_net.c b/usr.sbin/bhyve/pci_virtio_net.c
index 327ebf7..a5cf8b3 100644
--- a/usr.sbin/bhyve/pci_virtio_net.c
+++ b/usr.sbin/bhyve/pci_virtio_net.c
@@ -326,7 +326,7 @@ pci_vtnet_tap_rx(struct pci_vtnet_softc *sc)
* Get a pointer to the rx header, and use the
* data immediately following it for the packet buffer.
*/
- vrx = (struct virtio_net_rxhdr *)paddr_guest2host(vd->vd_addr);
+ vrx = paddr_guest2host(vd->vd_addr, vd->vd_len);
buf = (uint8_t *)(vrx + 1);
len = read(sc->vsc_tapfd, buf,
@@ -434,7 +434,7 @@ pci_vtnet_proctx(struct pci_vtnet_softc *sc, struct vring_hqueue *hq)
for (i = 0, plen = 0;
i < VTNET_MAXSEGS;
i++, vd = &hq->hq_dtable[vd->vd_next]) {
- iov[i].iov_base = paddr_guest2host(vd->vd_addr);
+ iov[i].iov_base = paddr_guest2host(vd->vd_addr, vd->vd_len);
iov[i].iov_len = vd->vd_len;
plen += vd->vd_len;
tlen += vd->vd_len;
@@ -517,7 +517,8 @@ pci_vtnet_ring_init(struct pci_vtnet_softc *sc, uint64_t pfn)
hq = &sc->vsc_hq[qnum];
hq->hq_size = pci_vtnet_qsize(qnum);
- hq->hq_dtable = paddr_guest2host(pfn << VRING_PFN);
+ hq->hq_dtable = paddr_guest2host(pfn << VRING_PFN,
+ vring_size(hq->hq_size));
hq->hq_avail_flags = (uint16_t *)(hq->hq_dtable + hq->hq_size);
hq->hq_avail_idx = hq->hq_avail_flags + 1;
hq->hq_avail_ring = hq->hq_avail_flags + 2;
@@ -541,13 +542,6 @@ pci_vtnet_init(struct vmctx *ctx, struct pci_devinst *pi, char *opts)
struct pci_vtnet_softc *sc;
const char *env_msi;
- /*
- * Access to guest memory is required. Fail if
- * memory not mapped
- */
- if (paddr_guest2host(0) == NULL)
- return (1);
-
sc = malloc(sizeof(struct pci_vtnet_softc));
memset(sc, 0, sizeof(struct pci_vtnet_softc));
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