libqos: Convert fw_cfg values to host endianness

The fw_cfg ABI is Little Endian, so byte-swap the generically read
byte array to host endianness.

This unbreaks the fw_cfg tests on ppc.
Signed-off-by: NAndreas Färber <afaerber@suse.de>
Signed-off-by: NAndreas Färber <afaerber@suse.de>
Message-id: 1367167547-19931-1-git-send-email-afaerber@suse.de
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

tests/libqos/fw_cfg.c

@@ -11,6 +11,7 @@
  */
 
 #include "libqos/fw_cfg.h"
+#include "qemu/bswap.h"
 
 void qfw_cfg_select(QFWCFG *fw_cfg, uint16_t key)
 {
@@ -32,20 +33,20 @@ uint16_t qfw_cfg_get_u16(QFWCFG *fw_cfg, uint16_t key)
 {
     uint16_t value;
     qfw_cfg_get(fw_cfg, key, &value, sizeof(value));
-    return value;
+    return le16_to_cpu(value);
 }
 
 uint32_t qfw_cfg_get_u32(QFWCFG *fw_cfg, uint16_t key)
 {
     uint32_t value;
     qfw_cfg_get(fw_cfg, key, &value, sizeof(value));
-    return value;
+    return le32_to_cpu(value);
 }
 
 uint64_t qfw_cfg_get_u64(QFWCFG *fw_cfg, uint16_t key)
 {
     uint64_t value;
     qfw_cfg_get(fw_cfg, key, &value, sizeof(value));
-    return value;
+    return le64_to_cpu(value);
 }