[PULL 56/67] hw/sd/sdcard: Add sd_cmd_ERASE handler (CMD38)

[Philippe Mathieu-Daudé]

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Message-Id: <20240628070216.92609-63-philmd@linaro.org>
---
 hw/sd/sd.c | 41 ++++++++++++++++++++---------------------
 1 file changed, 20 insertions(+), 21 deletions(-)

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index d517a00ee1..be9437141a 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -241,7 +241,6 @@ static const char *sd_cmd_name(SDState *sd, uint8_t cmd)
                                             [21]    = "DPS_spec",
                                             [25]    = "WRITE_MULTIPLE_BLOCK",
         [26]    = "MANUF_RSVD",
-        [38]    = "ERASE",
         [40]    = "DPS_spec",
         [42]    = "LOCK_UNLOCK",
         [54]    = "SDIO_RSVD",              [55]    = "APP_CMD",
@@ -1594,6 +1593,24 @@ static sd_rsp_type_t sd_cmd_ERASE_WR_BLK_END(SDState 
*sd, SDRequest req)
     return sd_r1;
 }
 
+/* CMD38 */
+static sd_rsp_type_t sd_cmd_ERASE(SDState *sd, SDRequest req)
+{
+    if (sd->state != sd_transfer_state) {
+        return sd_invalid_state_for_cmd(sd, req);
+    }
+    if (sd->csd[14] & 0x30) {
+        sd->card_status |= WP_VIOLATION;
+        return sd_r1b;
+    }
+
+    sd->state = sd_programming_state;
+    sd_erase(sd);
+    /* Bzzzzzzztt .... Operation complete.  */
+    sd->state = sd_transfer_state;
+    return sd_r1b;
+}
+
 static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
 {
     uint16_t rca;
@@ -1682,26 +1699,6 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, 
SDRequest req)
     case 26:  /* CMD26:  PROGRAM_CID */
         return sd_cmd_to_receivingdata(sd, req, 0, sizeof(sd->cid));
 
-    /* Erase commands (Class 5) */
-    case 38:  /* CMD38:  ERASE */
-        switch (sd->state) {
-        case sd_transfer_state:
-            if (sd->csd[14] & 0x30) {
-                sd->card_status |= WP_VIOLATION;
-                return sd_r1b;
-            }
-
-            sd->state = sd_programming_state;
-            sd_erase(sd);
-            /* Bzzzzzzztt .... Operation complete.  */
-            sd->state = sd_transfer_state;
-            return sd_r1b;
-
-        default:
-            break;
-        }
-        break;
-
     /* Lock card commands (Class 7) */
     case 42:  /* CMD42:  LOCK_UNLOCK */
         return sd_cmd_to_receivingdata(sd, req, 0, 0);
@@ -2320,6 +2317,7 @@ static const SDProto sd_proto_spi = {
         [35] = {10, sd_spi, "WRITE_SEC_CMD", sd_cmd_optional},
         [36] = {10, sd_spi, "SEND_PSI", sd_cmd_optional},
         [37] = {10, sd_spi, "CONTROL_ASSD_SYSTEM", sd_cmd_optional},
+        [38] = {5,  sd_spi, "ERASE", sd_cmd_ERASE},
         [50] = {10, sd_spi, "DIRECT_SECURE_READ", sd_cmd_optional},
         [52] = {9,  sd_spi, "IO_RW_DIRECT", sd_cmd_optional},
         [53] = {9,  sd_spi, "IO_RW_EXTENDED", sd_cmd_optional},
@@ -2363,6 +2361,7 @@ static const SDProto sd_proto_sd = {
         [35] = {10, sd_adtc, "WRITE_SEC_CMD", sd_cmd_optional},
         [36] = {10, sd_adtc, "SEND_PSI", sd_cmd_optional},
         [37] = {10, sd_ac,   "CONTROL_ASSD_SYSTEM", sd_cmd_optional},
+        [38] = {5,  sd_ac,   "ERASE", sd_cmd_ERASE},
         [43] = {1,  sd_ac,   "Q_MANAGEMENT", sd_cmd_optional},
         [44] = {1,  sd_ac,   "Q_TASK_INFO_A", sd_cmd_optional},
         [45] = {1,  sd_ac,   "Q_TASK_INFO_B", sd_cmd_optional},
-- 
2.41.0