- vhost_log_write(dev, hdr_phys_addr, dev->vhost_hlen);
- PRINT_PACKET(dev, (uintptr_t)hdr_addr,
- dev->vhost_hlen, 0);
+ if (unlikely(hdr == &tmp_hdr)) {
+ uint64_t len;
+ uint64_t remain = dev->vhost_hlen;
+ uint64_t src = (uint64_t)(uintptr_t)hdr, dst;
+ uint64_t guest_addr = hdr_phys_addr;
+
+ while (remain) {
+ len = remain;
+ dst = vhost_iova_to_vva(dev, vq,
+ guest_addr, &len,
+ VHOST_ACCESS_RW);
+ if (unlikely(!dst || !len)) {
+ error = -1;
+ goto out;
+ }
+
+ rte_memcpy((void *)(uintptr_t)dst,
+ (void *)(uintptr_t)src,
+ len);
+
+ PRINT_PACKET(dev, (uintptr_t)dst,
+ (uint32_t)len, 0);
+ vhost_log_write(dev, guest_addr, len);
+
+ remain -= len;
+ guest_addr += len;
+ dst += len;
+ }
+ } else {
+ PRINT_PACKET(dev, (uintptr_t)hdr_addr,
+ dev->vhost_hlen, 0);
+ vhost_log_write(dev, hdr_phys_addr,
+ dev->vhost_hlen);
+ }