In preparation of introducing eMMC support which have
different CSD/CID structures, introduce a pair of handlers
in SDCardClass.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/hw/sd/sd.h | 2 ++
 hw/sd/sd.c         | 7 +++++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/include/hw/sd/sd.h b/include/hw/sd/sd.h
index c1a35ab420..0d6d9e452b 100644
--- a/include/hw/sd/sd.h
+++ b/include/hw/sd/sd.h
@@ -127,6 +127,8 @@ struct SDCardClass {
     void (*enable)(SDState *sd, bool enable);
     bool (*get_inserted)(SDState *sd);
     bool (*get_readonly)(SDState *sd);
+    void (*set_cid)(SDState *sd);
+    void (*set_csd)(SDState *sd, uint64_t size);
 
     const struct SDProto *proto;
 };
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index a0da06e017..b0ef252001 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -671,6 +671,7 @@ static inline uint64_t sd_addr_to_wpnum(uint64_t addr)
 static void sd_reset(DeviceState *dev)
 {
     SDState *sd = SD_CARD(dev);
+    SDCardClass *sc = SD_CARD_GET_CLASS(sd);
     uint64_t size;
     uint64_t sect;
 
@@ -691,8 +692,8 @@ static void sd_reset(DeviceState *dev)
     sd->size = size;
     sd_set_ocr(sd);
     sd_set_scr(sd);
-    sd_set_cid(sd);
-    sd_set_csd(sd, size);
+    sc->set_cid(sd);
+    sc->set_csd(sd, size);
     sd_set_cardstatus(sd);
     sd_set_sdstatus(sd);
 
@@ -2472,6 +2473,8 @@ static void sd_class_init(ObjectClass *klass, void *data)
     sc->enable = sd_enable;
     sc->get_inserted = sd_get_inserted;
     sc->get_readonly = sd_get_readonly;
+    sc->set_cid = sd_set_cid;
+    sc->set_csd = sd_set_csd;
     sc->proto = &sd_proto_sd;
 }
 
-- 
2.41.0