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https://git.kernel.org/pub/scm/utils/mmc/mmc-utils.git
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mmc-utils: lsmmc: Simplify prinitng manufacturer name
We used to have this odd way of printing the manufacturer name. To that end we cached the entire database beforehand which is completely useless. While at it, get rid of some more redundant code. Signed-off-by: Avri Altman <avri.altman@wdc.com> Link: https://lore.kernel.org/r/20230928180658.1795491-2-avri.altman@wdc.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Avri Altman
Ulf Hansson
parent
80271e9a6f
commit
e82719f1d2
159
lsmmc.c
159
lsmmc.c
@ -53,16 +53,19 @@
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#define MASK(high, low) (MASKTOBIT0(high) & ~MASKTOBIT0(low - 1))
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#define BITS(value, high, low) (((value) & MASK((high), (low))) >> (low))
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#define IDS_MAX 256
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#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
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enum bus_type {
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MMC = 1,
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SD,
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};
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struct config {
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char *idsfile;
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char *dir;
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bool verbose;
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int interfaces;
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char **interface;
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char **mmc_ids;
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char **sd_ids;
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enum bus_type bus;
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char *type;
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char *cid;
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char *csd;
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@ -78,184 +81,151 @@ enum REG_TYPE {
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};
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struct ids_database {
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char *type;
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int id;
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char *manufacturer;
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};
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struct ids_database database[] = {
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static struct ids_database sd_database[] = {
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{
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.type = "sd",
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.id = 0x01,
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.manufacturer = "Panasonic",
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},
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{
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.type = "sd",
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.id = 0x02,
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.manufacturer = "Toshiba/Kingston/Viking",
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},
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{
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.type = "sd",
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.id = 0x03,
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.manufacturer = "SanDisk",
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},
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{
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.type = "sd",
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.id = 0x08,
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.manufacturer = "Silicon Power",
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},
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{
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.type = "sd",
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.id = 0x18,
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.manufacturer = "Infineon",
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},
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{
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.type = "sd",
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.id = 0x1b,
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.manufacturer = "Transcend/Samsung",
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},
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{
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.type = "sd",
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.id = 0x1c,
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.manufacturer = "Transcend",
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},
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{
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.type = "sd",
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.id = 0x1d,
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.manufacturer = "Corsair/AData",
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},
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{
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.type = "sd",
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.id = 0x1e,
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.manufacturer = "Transcend",
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},
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{
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.type = "sd",
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.id = 0x1f,
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.manufacturer = "Kingston",
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},
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{
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.type = "sd",
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.id = 0x27,
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.manufacturer = "Delkin/Phison",
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},
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{
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.type = "sd",
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.id = 0x28,
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.manufacturer = "Lexar",
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},
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{
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.type = "sd",
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.id = 0x30,
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.manufacturer = "SanDisk",
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},
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{
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.type = "sd",
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.id = 0x31,
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.manufacturer = "Silicon Power",
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},
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{
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.type = "sd",
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.id = 0x33,
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.manufacturer = "STMicroelectronics",
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},
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{
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.type = "sd",
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.id = 0x41,
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.manufacturer = "Kingston",
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},
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{
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.type = "sd",
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.id = 0x6f,
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.manufacturer = "STMicroelectronics",
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},
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{
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.type = "sd",
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.id = 0x74,
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.manufacturer = "Transcend",
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},
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{
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.type = "sd",
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.id = 0x76,
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.manufacturer = "Patriot",
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},
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{
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.type = "sd",
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.id = 0x82,
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.manufacturer = "Gobe/Sony",
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},
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{
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.type = "sd",
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.id = 0x89,
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.manufacturer = "Unknown",
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},
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};
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static struct ids_database mmc_database[] = {
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{
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.type = "mmc",
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.id = 0x00,
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.manufacturer = "SanDisk",
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},
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{
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.type = "mmc",
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.id = 0x02,
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.manufacturer = "Kingston/SanDisk",
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},
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{
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.type = "mmc",
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.id = 0x03,
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.manufacturer = "Toshiba",
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},
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{
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.type = "mmc",
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.id = 0x05,
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.manufacturer = "Unknown",
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},
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{
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.type = "mmc",
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.id = 0x06,
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.manufacturer = "Unknown",
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},
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{
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.type = "mmc",
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.id = 0x11,
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.manufacturer = "Toshiba",
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},
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{
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.type = "mmc",
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.id = 0x13,
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.manufacturer = "Micron",
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},
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{
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.type = "mmc",
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.id = 0x15,
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.manufacturer = "Samsung/SanDisk/LG",
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},
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{
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.type = "mmc",
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.id = 0x37,
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.manufacturer = "KingMax",
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},
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{
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.type = "mmc",
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.id = 0x44,
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.manufacturer = "ATP",
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},
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{
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.type = "mmc",
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.id = 0x45,
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.manufacturer = "SanDisk Corporation",
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},
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{
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.type = "mmc",
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.id = 0x2c,
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.manufacturer = "Kingston",
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},
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{
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.type = "mmc",
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.id = 0x70,
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.manufacturer = "Kingston",
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},
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{
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.type = "mmc",
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.id = 0xfe,
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.manufacturer = "Micron",
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},
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@ -310,47 +280,26 @@ int parse_opts(int argc, char **argv, struct config *config)
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return 0;
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}
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int parse_ids(struct config *config)
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static char *get_manufacturer(struct config *config, unsigned int manid)
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{
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unsigned int ids_cnt = sizeof(database) / sizeof(struct ids_database);
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unsigned int value;
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char **ids;
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char *type;
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struct ids_database *db;
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unsigned int ids_cnt;
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int i;
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for (i = 0; i < ids_cnt; i++) {
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type = database[i].type;
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if (!strcmp(type, "mmc")) {
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ids = config->mmc_ids;
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} else if (!strcmp(type, "sd")) {
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ids = config->sd_ids;
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} else {
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fprintf(stderr,
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"MMC/SD id parse error, unknown type: '%s'.\n",
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type);
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return -1;
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}
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value = database[i].id;
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if (value >= IDS_MAX) {
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fprintf(stderr,
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"MMC/SD id parse error, id out of range.\n");
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return -1;
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}
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if (ids[value]) {
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fprintf(stderr,
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"Duplicate entries: type='%s', id='0x%1x'.\n",
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type, value);
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return -1;
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}
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ids[value] = database[i].manufacturer;
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if (config->bus == MMC) {
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db = mmc_database;
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ids_cnt = ARRAY_SIZE(mmc_database);
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} else {
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db = sd_database;
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ids_cnt = ARRAY_SIZE(sd_database);
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}
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return 0;
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for (i = 0; i < ids_cnt; i++) {
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if (db[i].id == manid)
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return db[i].manufacturer;
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}
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return NULL;
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}
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/* MMC/SD file parsing functions */
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@ -538,6 +487,7 @@ void print_sd_cid(struct config *config, char *cid)
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unsigned int mdt_month;
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unsigned int mdt_year;
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unsigned int crc;
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char *manufacturer = NULL;
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parse_bin(cid, "8u16a40a4u4u32u4r8u4u7u1r",
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&mid, &oid[0], &pnm[0], &prv_major, &prv_minor, &psn,
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@ -546,12 +496,14 @@ void print_sd_cid(struct config *config, char *cid)
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oid[2] = '\0';
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pnm[5] = '\0';
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manufacturer = get_manufacturer(config, mid);
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if (config->verbose) {
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printf("======SD/CID======\n");
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printf("\tMID: 0x%02x (", mid);
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if (config->sd_ids[mid])
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printf("%s)\n", config->sd_ids[mid]);
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if (manufacturer)
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printf("%s)\n", manufacturer);
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else
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printf("Unlisted)\n");
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@ -564,9 +516,9 @@ void print_sd_cid(struct config *config, char *cid)
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2000 + mdt_year, months[mdt_month]);
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printf("\tCRC: 0x%02x\n", crc);
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} else {
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if (config->sd_ids[mid])
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if (manufacturer)
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printf("manufacturer: '%s' '%s'\n",
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config->sd_ids[mid], oid);
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manufacturer, oid);
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else
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printf("manufacturer: 'Unlisted' '%s'\n", oid);
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@ -594,6 +546,7 @@ void print_mmc_cid(struct config *config, char *cid)
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unsigned int mdt_month;
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unsigned int mdt_year;
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unsigned int crc;
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char *manufacturer = NULL;
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parse_bin(cid, "8u6r2u8u48a4u4u32u4u4u7u1r",
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&mid, &cbx, &oid, &pnm[0], &prv_major, &prv_minor, &psn,
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@ -601,12 +554,14 @@ void print_mmc_cid(struct config *config, char *cid)
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pnm[6] = '\0';
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manufacturer = get_manufacturer(config, mid);
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if (config->verbose) {
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printf("======MMC/CID======\n");
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printf("\tMID: 0x%02x (", mid);
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if (config->mmc_ids[mid])
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printf("%s)\n", config->mmc_ids[mid]);
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if (manufacturer)
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printf("%s)\n", manufacturer);
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else
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printf("Unlisted)\n");
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@ -635,9 +590,9 @@ void print_mmc_cid(struct config *config, char *cid)
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1997 + mdt_year, months[mdt_month]);
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printf("\tCRC: 0x%02x\n", crc);
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} else {
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if (config->mmc_ids[mid])
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if (manufacturer)
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printf("manufacturer: 0x%02x (%s) oid: 0x%01x\n",
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mid, config->mmc_ids[mid], oid);
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mid, manufacturer, oid);
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else
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printf("manufacturer: 0x%02x (Unlisted) oid: 0x%01x\n", mid, oid);
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@ -2308,6 +2263,8 @@ int process_dir(struct config *config, enum REG_TYPE reg)
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goto err;
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}
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config->bus = strcmp(type, "MMC") ? SD : MMC;
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switch (reg) {
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case CID:
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cid = read_file("cid");
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@ -2369,45 +2326,19 @@ err:
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return ret;
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}
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int lsmmc_main(struct config *config, int argc, char **argv)
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{
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int ret;
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config->mmc_ids = calloc(IDS_MAX, sizeof(char *));
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config->sd_ids = calloc(IDS_MAX, sizeof(char *));
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if (!config->mmc_ids || !config->sd_ids) {
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fprintf(stderr, "Could not allocate memory for lsmmc.\n");
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return -1;
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}
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ret = parse_opts(argc, argv, config);
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if (ret)
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return ret;
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return parse_ids(config);
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}
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void lsmmc_free(struct config *config)
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{
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free(config->mmc_ids);
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free(config->sd_ids);
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free(config->dir);
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}
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static int do_read_reg(int argc, char **argv, enum REG_TYPE reg)
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{
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struct config cfg = {};
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int ret;
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ret = lsmmc_main(&cfg, argc, argv);
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ret = parse_opts(argc, argv, &cfg);
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if (ret)
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goto out;
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return ret;
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if (cfg.dir)
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ret = process_dir(&cfg, reg);
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out:
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lsmmc_free(&cfg);
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free(cfg.dir);
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return ret;
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