diff options
| -rw-r--r-- | include/linux/dmi.h | 41 | ||||
| -rw-r--r-- | include/linux/mod_devicetable.h | 47 | ||||
| -rw-r--r-- | scripts/mod/file2alias.c | 57 |
3 files changed, 106 insertions, 39 deletions
diff --git a/include/linux/dmi.h b/include/linux/dmi.h index 2a063b64133..e5084eb5943 100644 --- a/include/linux/dmi.h +++ b/include/linux/dmi.h @@ -2,29 +2,9 @@ #define __DMI_H__ #include <linux/list.h> +#include <linux/mod_devicetable.h> -enum dmi_field { - DMI_NONE, - DMI_BIOS_VENDOR, - DMI_BIOS_VERSION, - DMI_BIOS_DATE, - DMI_SYS_VENDOR, - DMI_PRODUCT_NAME, - DMI_PRODUCT_VERSION, - DMI_PRODUCT_SERIAL, - DMI_PRODUCT_UUID, - DMI_BOARD_VENDOR, - DMI_BOARD_NAME, - DMI_BOARD_VERSION, - DMI_BOARD_SERIAL, - DMI_BOARD_ASSET_TAG, - DMI_CHASSIS_VENDOR, - DMI_CHASSIS_TYPE, - DMI_CHASSIS_VERSION, - DMI_CHASSIS_SERIAL, - DMI_CHASSIS_ASSET_TAG, - DMI_STRING_MAX, -}; +/* enum dmi_field is in mod_devicetable.h */ enum dmi_device_type { DMI_DEV_TYPE_ANY = 0, @@ -48,23 +28,6 @@ struct dmi_header { u16 handle; }; -/* - * DMI callbacks for problem boards - */ -struct dmi_strmatch { - u8 slot; - char *substr; -}; - -struct dmi_system_id { - int (*callback)(const struct dmi_system_id *); - const char *ident; - struct dmi_strmatch matches[4]; - void *driver_data; -}; - -#define DMI_MATCH(a, b) { a, b } - struct dmi_device { struct list_head list; int type; diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index c4db5827963..3481a7d5bc0 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -388,5 +388,52 @@ struct i2c_device_id { __attribute__((aligned(sizeof(kernel_ulong_t)))); }; +/* dmi */ +enum dmi_field { + DMI_NONE, + DMI_BIOS_VENDOR, + DMI_BIOS_VERSION, + DMI_BIOS_DATE, + DMI_SYS_VENDOR, + DMI_PRODUCT_NAME, + DMI_PRODUCT_VERSION, + DMI_PRODUCT_SERIAL, + DMI_PRODUCT_UUID, + DMI_BOARD_VENDOR, + DMI_BOARD_NAME, + DMI_BOARD_VERSION, + DMI_BOARD_SERIAL, + DMI_BOARD_ASSET_TAG, + DMI_CHASSIS_VENDOR, + DMI_CHASSIS_TYPE, + DMI_CHASSIS_VERSION, + DMI_CHASSIS_SERIAL, + DMI_CHASSIS_ASSET_TAG, + DMI_STRING_MAX, +}; + +struct dmi_strmatch { + unsigned char slot; + char substr[79]; +}; + +#ifndef __KERNEL__ +struct dmi_system_id { + kernel_ulong_t callback; + kernel_ulong_t ident; + struct dmi_strmatch matches[4]; + kernel_ulong_t driver_data + __attribute__((aligned(sizeof(kernel_ulong_t)))); +}; +#else +struct dmi_system_id { + int (*callback)(const struct dmi_system_id *); + const char *ident; + struct dmi_strmatch matches[4]; + void *driver_data; +}; +#endif + +#define DMI_MATCH(a, b) { a, b } #endif /* LINUX_MOD_DEVICETABLE_H */ diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index 4c9890ec252..473f94e56ea 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -629,6 +629,59 @@ static int do_i2c_entry(const char *filename, struct i2c_device_id *id, return 1; } +static const struct dmifield { + const char *prefix; + int field; +} dmi_fields[] = { + { "bvn", DMI_BIOS_VENDOR }, + { "bvr", DMI_BIOS_VERSION }, + { "bd", DMI_BIOS_DATE }, + { "svn", DMI_SYS_VENDOR }, + { "pn", DMI_PRODUCT_NAME }, + { "pvr", DMI_PRODUCT_VERSION }, + { "rvn", DMI_BOARD_VENDOR }, + { "rn", DMI_BOARD_NAME }, + { "rvr", DMI_BOARD_VERSION }, + { "cvn", DMI_CHASSIS_VENDOR }, + { "ct", DMI_CHASSIS_TYPE }, + { "cvr", DMI_CHASSIS_VERSION }, + { NULL, DMI_NONE } +}; + +static void dmi_ascii_filter(char *d, const char *s) +{ + /* Filter out characters we don't want to see in the modalias string */ + for (; *s; s++) + if (*s > ' ' && *s < 127 && *s != ':') + *(d++) = *s; + + *d = 0; +} + + +static int do_dmi_entry(const char *filename, struct dmi_system_id *id, + char *alias) +{ + int i, j; + + sprintf(alias, "dmi*"); + + for (i = 0; i < ARRAY_SIZE(dmi_fields); i++) { + for (j = 0; j < 4; j++) { + if (id->matches[j].slot && + id->matches[j].slot == dmi_fields[i].field) { + sprintf(alias + strlen(alias), ":%s*", + dmi_fields[i].prefix); + dmi_ascii_filter(alias + strlen(alias), + id->matches[j].substr); + strcat(alias, "*"); + } + } + } + + strcat(alias, ":"); + return 1; +} /* Ignore any prefix, eg. some architectures prepend _ */ static inline int sym_is(const char *symbol, const char *name) { @@ -760,6 +813,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info, do_table(symval, sym->st_size, sizeof(struct i2c_device_id), "i2c", do_i2c_entry, mod); + else if (sym_is(symname, "__mod_dmi_device_table")) + do_table(symval, sym->st_size, + sizeof(struct dmi_system_id), "dmi", + do_dmi_entry, mod); free(zeros); } |