sdcard: Display command name when tracing CMD/ACMD
The SDBus will reuse these functions, so we put them in a new source file.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180309153654.13518-3-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: slight wordsmithing of comments, added note that string
returned does not need to be freed]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/hw/sd/Makefile.objs b/hw/sd/Makefile.objs
index c2b7664..a99d9fb 100644
--- a/hw/sd/Makefile.objs
+++ b/hw/sd/Makefile.objs
@@ -1,6 +1,6 @@
common-obj-$(CONFIG_PL181) += pl181.o
common-obj-$(CONFIG_SSI_SD) += ssi-sd.o
-common-obj-$(CONFIG_SD) += sd.o core.o
+common-obj-$(CONFIG_SD) += sd.o core.o sdmmc-internal.o
common-obj-$(CONFIG_SDHCI) += sdhci.o
obj-$(CONFIG_MILKYMIST) += milkymist-memcard.o
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 4a9520e..bb149aa 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -875,8 +875,8 @@
* However there is no ACMD55, so we want to trace this particular case.
*/
if (req.cmd != 55 || sd->expecting_acmd) {
- trace_sdcard_normal_command(req.cmd, req.arg,
- sd_state_name(sd->state));
+ trace_sdcard_normal_command(sd_cmd_name(req.cmd), req.cmd,
+ req.arg, sd_state_name(sd->state));
}
/* Not interpreting this as an app command */
@@ -1455,7 +1455,8 @@
static sd_rsp_type_t sd_app_command(SDState *sd,
SDRequest req)
{
- trace_sdcard_app_command(req.cmd, req.arg);
+ trace_sdcard_app_command(sd_acmd_name(req.cmd),
+ req.cmd, req.arg, sd_state_name(sd->state));
sd->card_status |= APP_CMD;
switch (req.cmd) {
case 6: /* ACMD6: SET_BUS_WIDTH */
@@ -1770,7 +1771,8 @@
if (sd->card_status & (ADDRESS_ERROR | WP_VIOLATION))
return;
- trace_sdcard_write_data(sd->current_cmd, value);
+ trace_sdcard_write_data(sd_acmd_name(sd->current_cmd),
+ sd->current_cmd, value);
switch (sd->current_cmd) {
case 24: /* CMD24: WRITE_SINGLE_BLOCK */
sd->data[sd->data_offset ++] = value;
@@ -1908,7 +1910,8 @@
io_len = (sd->ocr & (1 << 30)) ? 512 : sd->blk_len;
- trace_sdcard_read_data(sd->current_cmd, io_len);
+ trace_sdcard_read_data(sd_acmd_name(sd->current_cmd),
+ sd->current_cmd, io_len);
switch (sd->current_cmd) {
case 6: /* CMD6: SWITCH_FUNCTION */
ret = sd->data[sd->data_offset ++];
diff --git a/hw/sd/sdmmc-internal.c b/hw/sd/sdmmc-internal.c
new file mode 100644
index 0000000..2053def
--- /dev/null
+++ b/hw/sd/sdmmc-internal.c
@@ -0,0 +1,72 @@
+/*
+ * SD/MMC cards common helpers
+ *
+ * Copyright (c) 2018 Philippe Mathieu-Daudé <f4bug@amsat.org>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "sdmmc-internal.h"
+
+const char *sd_cmd_name(uint8_t cmd)
+{
+ static const char *cmd_abbrev[SDMMC_CMD_MAX] = {
+ [0] = "GO_IDLE_STATE",
+ [2] = "ALL_SEND_CID", [3] = "SEND_RELATIVE_ADDR",
+ [4] = "SET_DSR", [5] = "IO_SEND_OP_COND",
+ [6] = "SWITCH_FUNC", [7] = "SELECT/DESELECT_CARD",
+ [8] = "SEND_IF_COND", [9] = "SEND_CSD",
+ [10] = "SEND_CID", [11] = "VOLTAGE_SWITCH",
+ [12] = "STOP_TRANSMISSION", [13] = "SEND_STATUS",
+ [15] = "GO_INACTIVE_STATE",
+ [16] = "SET_BLOCKLEN", [17] = "READ_SINGLE_BLOCK",
+ [18] = "READ_MULTIPLE_BLOCK", [19] = "SEND_TUNING_BLOCK",
+ [20] = "SPEED_CLASS_CONTROL", [21] = "DPS_spec",
+ [23] = "SET_BLOCK_COUNT",
+ [24] = "WRITE_BLOCK", [25] = "WRITE_MULTIPLE_BLOCK",
+ [26] = "MANUF_RSVD", [27] = "PROGRAM_CSD",
+ [28] = "SET_WRITE_PROT", [29] = "CLR_WRITE_PROT",
+ [30] = "SEND_WRITE_PROT",
+ [32] = "ERASE_WR_BLK_START", [33] = "ERASE_WR_BLK_END",
+ [34] = "SW_FUNC_RSVD", [35] = "SW_FUNC_RSVD",
+ [36] = "SW_FUNC_RSVD", [37] = "SW_FUNC_RSVD",
+ [38] = "ERASE",
+ [40] = "DPS_spec",
+ [42] = "LOCK_UNLOCK", [43] = "Q_MANAGEMENT",
+ [44] = "Q_TASK_INFO_A", [45] = "Q_TASK_INFO_B",
+ [46] = "Q_RD_TASK", [47] = "Q_WR_TASK",
+ [48] = "READ_EXTR_SINGLE", [49] = "WRITE_EXTR_SINGLE",
+ [50] = "SW_FUNC_RSVD",
+ [52] = "IO_RW_DIRECT", [53] = "IO_RW_EXTENDED",
+ [54] = "SDIO_RSVD", [55] = "APP_CMD",
+ [56] = "GEN_CMD", [57] = "SW_FUNC_RSVD",
+ [58] = "READ_EXTR_MULTI", [59] = "WRITE_EXTR_MULTI",
+ [60] = "MANUF_RSVD", [61] = "MANUF_RSVD",
+ [62] = "MANUF_RSVD", [63] = "MANUF_RSVD",
+ };
+ return cmd_abbrev[cmd] ? cmd_abbrev[cmd] : "UNKNOWN_CMD";
+}
+
+const char *sd_acmd_name(uint8_t cmd)
+{
+ static const char *acmd_abbrev[SDMMC_CMD_MAX] = {
+ [6] = "SET_BUS_WIDTH",
+ [13] = "SD_STATUS",
+ [14] = "DPS_spec", [15] = "DPS_spec",
+ [16] = "DPS_spec",
+ [18] = "SECU_spec",
+ [22] = "SEND_NUM_WR_BLOCKS", [23] = "SET_WR_BLK_ERASE_COUNT",
+ [41] = "SD_SEND_OP_COND",
+ [42] = "SET_CLR_CARD_DETECT",
+ [51] = "SEND_SCR",
+ [52] = "SECU_spec", [53] = "SECU_spec",
+ [54] = "SECU_spec",
+ [56] = "SECU_spec", [57] = "SECU_spec",
+ [58] = "SECU_spec", [59] = "SECU_spec",
+ };
+
+ return acmd_abbrev[cmd] ? acmd_abbrev[cmd] : "UNKNOWN_ACMD";
+}
diff --git a/hw/sd/sdmmc-internal.h b/hw/sd/sdmmc-internal.h
index 0e96cb0..9aa0476 100644
--- a/hw/sd/sdmmc-internal.h
+++ b/hw/sd/sdmmc-internal.h
@@ -12,4 +12,28 @@
#define SDMMC_CMD_MAX 64
+/**
+ * sd_cmd_name:
+ * @cmd: A SD "normal" command, up to SDMMC_CMD_MAX.
+ *
+ * Returns a human-readable name describing the command.
+ * The return value is always a static string which does not need
+ * to be freed after use.
+ *
+ * Returns: The command name of @cmd or "UNKNOWN_CMD".
+ */
+const char *sd_cmd_name(uint8_t cmd);
+
+/**
+ * sd_acmd_name:
+ * @cmd: A SD "Application-Specific" command, up to SDMMC_CMD_MAX.
+ *
+ * Returns a human-readable name describing the application command.
+ * The return value is always a static string which does not need
+ * to be freed after use.
+ *
+ * Returns: The application command name of @cmd or "UNKNOWN_ACMD".
+ */
+const char *sd_acmd_name(uint8_t cmd);
+
#endif
diff --git a/hw/sd/trace-events b/hw/sd/trace-events
index 3040d32..cdddca3 100644
--- a/hw/sd/trace-events
+++ b/hw/sd/trace-events
@@ -24,8 +24,8 @@
sdhci_capareg(const char *desc, uint16_t val) "%s: %u"
# hw/sd/sd.c
-sdcard_normal_command(uint8_t cmd, uint32_t arg, const char *state) "CMD%d arg 0x%08x (state %s)"
-sdcard_app_command(uint8_t acmd, uint32_t arg) "ACMD%d arg 0x%08x"
+sdcard_normal_command(const char *cmd_desc, uint8_t cmd, uint32_t arg, const char *state) "%20s/ CMD%02d arg 0x%08x (state %s)"
+sdcard_app_command(const char *acmd_desc, uint8_t acmd, uint32_t arg, const char *state) "%23s/ACMD%02d arg 0x%08x (state %s)"
sdcard_response(const char *rspdesc, int rsplen) "%s (sz:%d)"
sdcard_powerup(void) ""
sdcard_inquiry_cmd41(void) ""
@@ -39,8 +39,8 @@
sdcard_unlock(void) ""
sdcard_read_block(uint64_t addr, uint32_t len) "addr 0x%" PRIx64 " size 0x%x"
sdcard_write_block(uint64_t addr, uint32_t len) "addr 0x%" PRIx64 " size 0x%x"
-sdcard_write_data(uint8_t cmd, uint8_t value) "CMD%02d value 0x%02x"
-sdcard_read_data(uint8_t cmd, int length) "CMD%02d len %d"
+sdcard_write_data(const char *cmd_desc, uint8_t cmd, uint8_t value) "%20s/ CMD%02d value 0x%02x"
+sdcard_read_data(const char *cmd_desc, uint8_t cmd, int length) "%20s/ CMD%02d len %d"
sdcard_set_voltage(uint16_t millivolts) "%u mV"
# hw/sd/milkymist-memcard.c
