3 files changed, 106 insertions, 39 deletions

diff --git a/include/linux/dmi.h b/include/linux/dmi.h
index 2a063b64133f..e5084eb5943a 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 c4db5827963d..3481a7d5bc0a 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 4c9890ec2528..473f94e56ead 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);
 }