1 files changed, 8 insertions, 0 deletions
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index a5d2d929a8..b2e2d58e01 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -71,6 +71,14 @@ typedef enum {
     sd_illegal = -2,
 } sd_rsp_type_t;
 
+typedef enum {
+    sd_spi,
+    sd_bc,     /* broadcast -- no response */
+    sd_bcr,    /* broadcast with response */
+    sd_ac,     /* addressed -- no data transfer */
+    sd_adtc,   /* addressed with data transfer */
+} sd_cmd_type_t;
+
 enum SDCardModes {
     sd_inactive,
     sd_card_identification_mode,