@@ -281,7 +281,7 @@ static ssize_t vfu_object_cfg_access(vfu_ctx_t *vfu_ctx, char * const buf,
while (bytes > 0) {
len = (bytes > pci_access_width) ? pci_access_width : bytes;
if (is_write) {
- memcpy(&val, ptr, len);
+ val = ldn_le_p(ptr, len);
pci_host_config_write_common(o->pci_dev, offset,
pci_config_size(o->pci_dev),
val, len);
@@ -289,7 +289,7 @@ static ssize_t vfu_object_cfg_access(vfu_ctx_t *vfu_ctx, char * const buf,
} else {
val = pci_host_config_read_common(o->pci_dev, offset,
pci_config_size(o->pci_dev), len);
- memcpy(ptr, &val, len);
+ stn_le_p(ptr, len, val);
trace_vfu_cfg_read(offset, val);
}
offset += len;
PCI config space is little-endian, so on a big-endian host we need to perform byte swaps for values as they are passed to and received from the generic PCI config space access machinery. Signed-off-by: Mattias Nissler <mnissler@rivosinc.com> --- hw/remote/vfio-user-obj.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)