Automatic MODULE_ALIAS() for DMI match tables.
This makes modpost handle MODULE_DEVICE_TABLE(dmi, xxxx).
I had to change the string pointers in the match table to char arrays,
and picked a size of 79 bytes almost at random -- do we need to make it
bigger than that? I was a bit concerned about the 'bloat' this
introduces into the match tables, but they should all be __initdata so
it shouldn't matter too much.
(Actually, modpost does go through the relocations and look at most of
them; it wouldn't be impossible to make it handle string pointers -- but
doesn't seem to be worth the effort, since they're __initdata).
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index c4db582..3481a7d 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -388,5 +388,52 @@
__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 */