| Message ID | 20240628070216.92609-42-philmd@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | hw/sd/sdcard: Add eMMC support | expand |
On 6/28/24 9:01 AM, Philippe Mathieu-Daudé wrote: > Store the command class altogether with the other command > fields (handler, name and type). > > Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Cédric Le Goater <clg@redhat.com> Thanks, C. > --- > 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 c4cc48926d..a816493d37 100644 > --- a/hw/sd/sd.c > +++ b/hw/sd/sd.c > @@ -95,6 +95,7 @@ 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; > @@ -352,13 +353,6 @@ 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; > @@ -1306,7 +1300,8 @@ 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; > } > @@ -1891,6 +1886,8 @@ 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) > @@ -1905,7 +1902,12 @@ 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, > @@ -2273,22 +2275,22 @@ 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}, > }, > }; >
diff --git a/hw/sd/sd.c b/hw/sd/sd.c index c4cc48926d..a816493d37 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -95,6 +95,7 @@ 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; @@ -352,13 +353,6 @@ 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; @@ -1306,7 +1300,8 @@ 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; } @@ -1891,6 +1886,8 @@ 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) @@ -1905,7 +1902,12 @@ 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, @@ -2273,22 +2275,22 @@ 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}, }, };
Store the command class altogether with the other command fields (handler, name and type). Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> --- hw/sd/sd.c | 36 +++++++++++++++++++----------------- 1 file changed, 19 insertions(+), 17 deletions(-)