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Diffstat (limited to 'scripts/mod/file2alias.c')
-rw-r--r--scripts/mod/file2alias.c107
1 files changed, 98 insertions, 9 deletions
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 37d5c363fbc..d4dc222a74f 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -206,6 +206,20 @@ static void do_usb_table(void *symval, unsigned long size,
do_usb_entry_multi(symval + i, mod);
}
+/* Looks like: hid:bNvNpN */
+static int do_hid_entry(const char *filename,
+ struct hid_device_id *id, char *alias)
+{
+ id->vendor = TO_NATIVE(id->vendor);
+ id->product = TO_NATIVE(id->product);
+
+ sprintf(alias, "hid:b%04X", id->bus);
+ ADD(alias, "v", id->vendor != HID_ANY_ID, id->vendor);
+ ADD(alias, "p", id->product != HID_ANY_ID, id->product);
+
+ return 1;
+}
+
/* Looks like: ieee1394:venNmoNspNverN */
static int do_ieee1394_entry(const char *filename,
struct ieee1394_device_id *id, char *alias)
@@ -340,11 +354,24 @@ static int do_acpi_entry(const char *filename,
}
/* looks like: "pnp:dD" */
-static int do_pnp_entry(const char *filename,
- struct pnp_device_id *id, char *alias)
+static void do_pnp_device_entry(void *symval, unsigned long size,
+ struct module *mod)
{
- sprintf(alias, "pnp:d%s*", id->id);
- return 1;
+ const unsigned long id_size = sizeof(struct pnp_device_id);
+ const unsigned int count = (size / id_size)-1;
+ const struct pnp_device_id *devs = symval;
+ unsigned int i;
+
+ device_id_check(mod->name, "pnp", size, id_size, symval);
+
+ for (i = 0; i < count; i++) {
+ const char *id = (char *)devs[i].id;
+
+ buf_printf(&mod->dev_table_buf,
+ "MODULE_ALIAS(\"pnp:d%s*\");\n", id);
+ buf_printf(&mod->dev_table_buf,
+ "MODULE_ALIAS(\"acpi*:%s:*\");\n", id);
+ }
}
/* looks like: "pnp:dD" for every device of the card */
@@ -388,9 +415,12 @@ static void do_pnp_card_entries(void *symval, unsigned long size,
}
/* add an individual alias for every device entry */
- if (!dup)
+ if (!dup) {
buf_printf(&mod->dev_table_buf,
"MODULE_ALIAS(\"pnp:d%s*\");\n", id);
+ buf_printf(&mod->dev_table_buf,
+ "MODULE_ALIAS(\"acpi*:%s:*\");\n", id);
+ }
}
}
}
@@ -613,7 +643,60 @@ static int do_i2c_entry(const char *filename, struct i2c_device_id *id,
return 1;
}
-/* Ignore any prefix, eg. v850 prepends _ */
+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)
{
const char *match;
@@ -676,6 +759,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
else if (sym_is(symname, "__mod_usb_device_table"))
/* special case to handle bcdDevice ranges */
do_usb_table(symval, sym->st_size, mod);
+ else if (sym_is(symname, "__mod_hid_device_table"))
+ do_table(symval, sym->st_size,
+ sizeof(struct hid_device_id), "hid",
+ do_hid_entry, mod);
else if (sym_is(symname, "__mod_ieee1394_device_table"))
do_table(symval, sym->st_size,
sizeof(struct ieee1394_device_id), "ieee1394",
@@ -701,9 +788,7 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
sizeof(struct acpi_device_id), "acpi",
do_acpi_entry, mod);
else if (sym_is(symname, "__mod_pnp_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct pnp_device_id), "pnp",
- do_pnp_entry, mod);
+ do_pnp_device_entry(symval, sym->st_size, mod);
else if (sym_is(symname, "__mod_pnp_card_device_table"))
do_pnp_card_entries(symval, sym->st_size, mod);
else if (sym_is(symname, "__mod_pcmcia_device_table"))
@@ -746,6 +831,10 @@ 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);
}