Certain commands require a longer switch timeout. Refactor accordingly to allow e.g. for future sanitize. Signed-off-by: Christian Loehle <cloehle@xxxxxxxxxxxxxx> --- mmc_cmds.c | 80 +++++++++++++++++++++++++++++++++++------------------- 1 file changed, 52 insertions(+), 28 deletions(-) diff --git a/mmc_cmds.c b/mmc_cmds.c index 2957aa9..4278b8a 100644 --- a/mmc_cmds.c +++ b/mmc_cmds.c @@ -54,6 +54,8 @@ #define WPTYPE_PWRON 2 #define WPTYPE_PERM 3 +#define SWITCH_TIMEOUT_MS (10 * 1000) + int read_extcsd(int fd, __u8 *ext_csd) { @@ -76,7 +78,7 @@ int read_extcsd(int fd, __u8 *ext_csd) return ret; } -int write_extcsd_value(int fd, __u8 index, __u8 value) +int write_extcsd_value(int fd, __u8 index, __u8 value, unsigned int timeout_ms) { int ret = 0; struct mmc_ioc_cmd idata; @@ -89,6 +91,7 @@ int write_extcsd_value(int fd, __u8 index, __u8 value) (value << 8) | EXT_CSD_CMD_SET_NORMAL; idata.flags = MMC_RSP_SPI_R1B | MMC_RSP_R1B | MMC_CMD_AC; + idata.cmd_timeout_ms = timeout_ms; ret = ioctl(fd, MMC_IOC_CMD, &idata); if (ret) @@ -341,7 +344,8 @@ int do_writeprotect_boot_set(int nargs, char **argv) value |= permanent ? EXT_CSD_BOOT_WP_B_PERM_WP_EN : EXT_CSD_BOOT_WP_B_PWR_WP_EN; - ret = write_extcsd_value(fd, EXT_CSD_BOOT_WP, value); + ret = write_extcsd_value(fd, EXT_CSD_BOOT_WP, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to " "EXT_CSD[%d] in %s\n", @@ -508,7 +512,8 @@ int do_writeprotect_user_set(int nargs, char **argv) break; } if (user_wp != ext_csd[EXT_CSD_USER_WP]) { - ret = write_extcsd_value(fd, EXT_CSD_USER_WP, user_wp); + ret = write_extcsd_value(fd, EXT_CSD_USER_WP, user_wp, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Error setting EXT_CSD\n"); exit(1); @@ -526,7 +531,7 @@ int do_writeprotect_user_set(int nargs, char **argv) } if (wptype != WPTYPE_NONE) { ret = write_extcsd_value(fd, EXT_CSD_USER_WP, - ext_csd[EXT_CSD_USER_WP]); + ext_csd[EXT_CSD_USER_WP], SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Error restoring EXT_CSD\n"); exit(1); @@ -571,7 +576,8 @@ int do_disable_512B_emulation(int nargs, char **argv) if (native_sector_size && !data_sector_size && (wr_rel_param & EN_REL_WR)) { - ret = write_extcsd_value(fd, EXT_CSD_USE_NATIVE_SECTOR, 1); + ret = write_extcsd_value(fd, EXT_CSD_USE_NATIVE_SECTOR, 1, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to EXT_CSD[%d] in %s\n", @@ -650,7 +656,8 @@ int do_write_boot_en(int nargs, char **argv) else value &= ~EXT_CSD_PART_CONFIG_ACC_ACK; - ret = write_extcsd_value(fd, EXT_CSD_PART_CONFIG, value); + ret = write_extcsd_value(fd, EXT_CSD_PART_CONFIG, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to " "EXT_CSD[%d] in %s\n", @@ -720,7 +727,8 @@ int do_boot_bus_conditions_set(int nargs, char **argv) printf("Changing ext_csd[BOOT_BUS_CONDITIONS] from 0x%02x to 0x%02x\n", ext_csd[EXT_CSD_BOOT_BUS_CONDITIONS], value); - ret = write_extcsd_value(fd, EXT_CSD_BOOT_BUS_CONDITIONS, value); + ret = write_extcsd_value(fd, EXT_CSD_BOOT_BUS_CONDITIONS, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to " "EXT_CSD[%d] in %s\n", @@ -771,7 +779,8 @@ int do_hwreset(int value, int nargs, char **argv) exit(1); } - ret = write_extcsd_value(fd, EXT_CSD_RST_N_FUNCTION, value); + ret = write_extcsd_value(fd, EXT_CSD_RST_N_FUNCTION, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to EXT_CSD[%d] in %s\n", @@ -825,9 +834,11 @@ int do_write_bkops_en(int nargs, char **argv) fprintf(stderr, "%s doesn't support AUTO_EN in the BKOPS_EN register\n", device); exit(1); } - ret = write_extcsd_value(fd, EXT_CSD_BKOPS_EN, BKOPS_AUTO_ENABLE); + ret = write_extcsd_value(fd, EXT_CSD_BKOPS_EN, BKOPS_AUTO_ENABLE, + SWITCH_TIMEOUT_MS); } else if (strcmp(en_type, "manual") == 0) { - ret = write_extcsd_value(fd, EXT_CSD_BKOPS_EN, BKOPS_MAN_ENABLE); + ret = write_extcsd_value(fd, EXT_CSD_BKOPS_EN, BKOPS_MAN_ENABLE, + SWITCH_TIMEOUT_MS); } else { fprintf(stderr, "%s invalid mode for BKOPS_EN requested: %s. Valid options: auto or manual\n", en_type, device); exit(1); @@ -1002,7 +1013,8 @@ int set_partitioning_setting_completed(int dry_run, const char * const device, } fprintf(stderr, "setting OTP PARTITION_SETTING_COMPLETED!\n"); - ret = write_extcsd_value(fd, EXT_CSD_PARTITION_SETTING_COMPLETED, 0x1); + ret = write_extcsd_value(fd, EXT_CSD_PARTITION_SETTING_COMPLETED, 0x1, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x1 to " "EXT_CSD[%d] in %s\n", @@ -1188,7 +1200,8 @@ int do_create_gp_partition(int nargs, char **argv) gp_size_mult = (length_kib + align/2l) / align; /* set EXT_CSD_ERASE_GROUP_DEF bit 0 */ - ret = write_extcsd_value(fd, EXT_CSD_ERASE_GROUP_DEF, 0x1); + ret = write_extcsd_value(fd, EXT_CSD_ERASE_GROUP_DEF, 0x1, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x1 to EXT_CSD[%d] in %s\n", EXT_CSD_ERASE_GROUP_DEF, device); @@ -1197,7 +1210,7 @@ int do_create_gp_partition(int nargs, char **argv) value = (gp_size_mult >> 16) & 0xff; address = EXT_CSD_GP_SIZE_MULT_1_2 + (partition - 1) * 3; - ret = write_extcsd_value(fd, address, value); + ret = write_extcsd_value(fd, address, value, SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to EXT_CSD[%d] in %s\n", value, address, device); @@ -1205,7 +1218,7 @@ int do_create_gp_partition(int nargs, char **argv) } value = (gp_size_mult >> 8) & 0xff; address = EXT_CSD_GP_SIZE_MULT_1_1 + (partition - 1) * 3; - ret = write_extcsd_value(fd, address, value); + ret = write_extcsd_value(fd, address, value, SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to EXT_CSD[%d] in %s\n", value, address, device); @@ -1213,7 +1226,7 @@ int do_create_gp_partition(int nargs, char **argv) } value = gp_size_mult & 0xff; address = EXT_CSD_GP_SIZE_MULT_1_0 + (partition - 1) * 3; - ret = write_extcsd_value(fd, address, value); + ret = write_extcsd_value(fd, address, value, SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to EXT_CSD[%d] in %s\n", value, address, device); @@ -1226,7 +1239,8 @@ int do_create_gp_partition(int nargs, char **argv) else value &= ~(1 << partition); - ret = write_extcsd_value(fd, EXT_CSD_PARTITIONS_ATTRIBUTE, value); + ret = write_extcsd_value(fd, EXT_CSD_PARTITIONS_ATTRIBUTE, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write EXT_CSD_ENH_%x to EXT_CSD[%d] in %s\n", partition, EXT_CSD_PARTITIONS_ATTRIBUTE, device); @@ -1240,7 +1254,7 @@ int do_create_gp_partition(int nargs, char **argv) else value &= (0xF << (4 * ((partition % 2)))); - ret = write_extcsd_value(fd, address, value); + ret = write_extcsd_value(fd, address, value, SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%x to EXT_CSD[%d] in %s\n", value, address, device); @@ -1317,7 +1331,8 @@ int do_enh_area_set(int nargs, char **argv) enh_start_addr *= align; /* set EXT_CSD_ERASE_GROUP_DEF bit 0 */ - ret = write_extcsd_value(fd, EXT_CSD_ERASE_GROUP_DEF, 0x1); + ret = write_extcsd_value(fd, EXT_CSD_ERASE_GROUP_DEF, 0x1, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x1 to " "EXT_CSD[%d] in %s\n", @@ -1327,7 +1342,8 @@ int do_enh_area_set(int nargs, char **argv) /* write to ENH_START_ADDR and ENH_SIZE_MULT and PARTITIONS_ATTRIBUTE's ENH_USR bit */ value = (enh_start_addr >> 24) & 0xff; - ret = write_extcsd_value(fd, EXT_CSD_ENH_START_ADDR_3, value); + ret = write_extcsd_value(fd, EXT_CSD_ENH_START_ADDR_3, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to " "EXT_CSD[%d] in %s\n", value, @@ -1335,7 +1351,8 @@ int do_enh_area_set(int nargs, char **argv) exit(1); } value = (enh_start_addr >> 16) & 0xff; - ret = write_extcsd_value(fd, EXT_CSD_ENH_START_ADDR_2, value); + ret = write_extcsd_value(fd, EXT_CSD_ENH_START_ADDR_2, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to " "EXT_CSD[%d] in %s\n", value, @@ -1343,7 +1360,8 @@ int do_enh_area_set(int nargs, char **argv) exit(1); } value = (enh_start_addr >> 8) & 0xff; - ret = write_extcsd_value(fd, EXT_CSD_ENH_START_ADDR_1, value); + ret = write_extcsd_value(fd, EXT_CSD_ENH_START_ADDR_1, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to " "EXT_CSD[%d] in %s\n", value, @@ -1351,7 +1369,8 @@ int do_enh_area_set(int nargs, char **argv) exit(1); } value = enh_start_addr & 0xff; - ret = write_extcsd_value(fd, EXT_CSD_ENH_START_ADDR_0, value); + ret = write_extcsd_value(fd, EXT_CSD_ENH_START_ADDR_0, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to " "EXT_CSD[%d] in %s\n", value, @@ -1360,7 +1379,8 @@ int do_enh_area_set(int nargs, char **argv) } value = (enh_size_mult >> 16) & 0xff; - ret = write_extcsd_value(fd, EXT_CSD_ENH_SIZE_MULT_2, value); + ret = write_extcsd_value(fd, EXT_CSD_ENH_SIZE_MULT_2, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to " "EXT_CSD[%d] in %s\n", value, @@ -1368,7 +1388,7 @@ int do_enh_area_set(int nargs, char **argv) exit(1); } value = (enh_size_mult >> 8) & 0xff; - ret = write_extcsd_value(fd, EXT_CSD_ENH_SIZE_MULT_1, value); + ret = write_extcsd_value(fd, EXT_CSD_ENH_SIZE_MULT_1, value, SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to " "EXT_CSD[%d] in %s\n", value, @@ -1376,7 +1396,8 @@ int do_enh_area_set(int nargs, char **argv) exit(1); } value = enh_size_mult & 0xff; - ret = write_extcsd_value(fd, EXT_CSD_ENH_SIZE_MULT_0, value); + ret = write_extcsd_value(fd, EXT_CSD_ENH_SIZE_MULT_0, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to " "EXT_CSD[%d] in %s\n", value, @@ -1384,7 +1405,8 @@ int do_enh_area_set(int nargs, char **argv) exit(1); } value = ext_csd[EXT_CSD_PARTITIONS_ATTRIBUTE] | EXT_CSD_ENH_USR; - ret = write_extcsd_value(fd, EXT_CSD_PARTITIONS_ATTRIBUTE, value); + ret = write_extcsd_value(fd, EXT_CSD_PARTITIONS_ATTRIBUTE, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write EXT_CSD_ENH_USR to " "EXT_CSD[%d] in %s\n", @@ -1455,7 +1477,8 @@ int do_write_reliability_set(int nargs, char **argv) } value = ext_csd[EXT_CSD_WR_REL_SET] | (1<<partition); - ret = write_extcsd_value(fd, EXT_CSD_WR_REL_SET, value); + ret = write_extcsd_value(fd, EXT_CSD_WR_REL_SET, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to EXT_CSD[%d] in %s\n", value, EXT_CSD_WR_REL_SET, device); @@ -2587,7 +2610,8 @@ int do_cache_ctrl(int value, int nargs, char **argv) device); exit(1); } - ret = write_extcsd_value(fd, EXT_CSD_CACHE_CTRL, value); + ret = write_extcsd_value(fd, EXT_CSD_CACHE_CTRL, value, + SWITCH_TIMEOUT_MS); if (ret) { fprintf(stderr, "Could not write 0x%02x to EXT_CSD[%d] in %s\n", -- 2.37.3 Hyperstone GmbH | Reichenaustr. 39a | 78467 Konstanz Managing Director: Dr. Jan Peter Berns. Commercial register of local courts: Freiburg HRB381782