[PULL 35/67] hw/sd/sdcard: Store command class in SDProto

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

Store the command class altogether with the other command
fields (handler, name and type).

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: <20240628070216.92609-42-philmd@linaro.org>
---
 hw/sd/sd.c | 36 +++++++++++++++++++-----------------
 1 file changed, 19 insertions(+), 17 deletions(-)

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 9f257906b5..68e6944263 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -94,6 +94,7 @@ typedef sd_rsp_type_t (*sd_cmd_handler)(SDState *sd, SDRequest req);
 typedef struct SDProto {
     const char *name;
     struct {
+        const unsigned class;
         const sd_cmd_type_t type;
         const char *name;
         sd_cmd_handler handler;
@@ -349,13 +350,6 @@ static void sd_set_mode(SDState *sd)
     }
 }
 
-static const int sd_cmd_class[SDMMC_CMD_MAX] = {
-    0,  0,  0,  0,  0,  9, 10,  0,  0,  0,  0,  1,  0,  0,  0,  0,
-    2,  2,  2,  2,  3,  3,  3,  3,  4,  4,  4,  4,  6,  6,  6,  6,
-    5,  5, 10, 10, 10, 10,  5,  9,  9,  9,  7,  7,  7,  7,  7,  7,
-    7,  7, 10,  7,  9,  9,  9,  8,  8, 10,  8,  8,  8,  8,  8,  8,
-};
-
 static uint8_t sd_crc7(const void *message, size_t width)
 {
     int i, bit;
@@ -1298,7 +1292,8 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
         sd->multi_blk_cnt = 0;
     }
 
-    if (sd_cmd_class[req.cmd] == 6 && FIELD_EX32(sd->ocr, OCR, CARD_CAPACITY)) {
+    if (sd->proto->cmd[req.cmd].class == 6 && FIELD_EX32(sd->ocr, OCR,
+                                                         CARD_CAPACITY)) {
         /* Only Standard Capacity cards support class 6 commands */
         return sd_illegal;
     }
@@ -1883,6 +1878,8 @@ static sd_rsp_type_t sd_app_command(SDState *sd,
 
 static bool cmd_valid_while_locked(SDState *sd, unsigned cmd)
 {
+    unsigned cmd_class;
+
     /* Valid commands in locked state:
      * basic class (0)
      * lock card class (7)
@@ -1897,7 +1894,12 @@ static bool cmd_valid_while_locked(SDState *sd, unsigned cmd)
     if (cmd == 16 || cmd == 55) {
         return true;
     }
-    return sd_cmd_class[cmd] == 0 || sd_cmd_class[cmd] == 7;
+    if (!sd->proto->cmd[cmd].handler) {
+        return false;
+    }
+    cmd_class = sd->proto->cmd[cmd].class;
+
+    return cmd_class == 0 || cmd_class == 7;
 }
 
 int sd_do_command(SDState *sd, SDRequest *req,
@@ -2275,22 +2277,22 @@ void sd_enable(SDState *sd, bool enable)
 static const SDProto sd_proto_spi = {
     .name = "SPI",
     .cmd = {
-        [0]  = {    sd_spi, "GO_IDLE_STATE", sd_cmd_GO_IDLE_STATE},
-        [1]  = {    sd_spi, "SEND_OP_COND", spi_cmd_SEND_OP_COND},
+        [0]  = {0,  sd_spi, "GO_IDLE_STATE", sd_cmd_GO_IDLE_STATE},
+        [1]  = {0,  sd_spi, "SEND_OP_COND", spi_cmd_SEND_OP_COND},
     },
     .acmd = {
-        [41] = {    sd_spi, "SEND_OP_COND", spi_cmd_SEND_OP_COND},
+        [41] = {8,  sd_spi, "SEND_OP_COND", spi_cmd_SEND_OP_COND},
     },
 };
 
 static const SDProto sd_proto_sd = {
     .name = "SD",
     .cmd = {
-        [0]  = {    sd_bc,   "GO_IDLE_STATE", sd_cmd_GO_IDLE_STATE},
-        [2]  = {    sd_bcr,  "ALL_SEND_CID", sd_cmd_ALL_SEND_CID},
-        [3]  = {    sd_bcr,  "SEND_RELATIVE_ADDR", sd_cmd_SEND_RELATIVE_ADDR},
-        [19] = {    sd_adtc, "SEND_TUNING_BLOCK", sd_cmd_SEND_TUNING_BLOCK},
-        [23] = {    sd_ac,   "SET_BLOCK_COUNT", sd_cmd_SET_BLOCK_COUNT},
+        [0]  = {0,  sd_bc,   "GO_IDLE_STATE", sd_cmd_GO_IDLE_STATE},
+        [2]  = {0,  sd_bcr,  "ALL_SEND_CID", sd_cmd_ALL_SEND_CID},
+        [3]  = {0,  sd_bcr,  "SEND_RELATIVE_ADDR", sd_cmd_SEND_RELATIVE_ADDR},
+        [19] = {2,  sd_adtc, "SEND_TUNING_BLOCK", sd_cmd_SEND_TUNING_BLOCK},
+        [23] = {2,  sd_ac,   "SET_BLOCK_COUNT", sd_cmd_SET_BLOCK_COUNT},
     },
 };
 
-- 
2.41.0