SFI: add sysfs interface for SFI tables.
Analogous to ACPI's /sys/firmware/acpi/tables/...
create /sys/firmware/sfi/tables/
The tables are primariy for the kernel,
but sometimes it is useful for user-space to be
able to read them.
Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/sfi/sfi_core.h b/drivers/sfi/sfi_core.h
index da82d39..b7cf220 100644
--- a/drivers/sfi/sfi_core.h
+++ b/drivers/sfi/sfi_core.h
@@ -61,6 +61,12 @@
char *oem_table_id;
};
+/* sysfs interface */
+struct sfi_table_attr {
+ struct bin_attribute attr;
+ char name[8];
+};
+
#define SFI_ANY_KEY { .sig = NULL, .oem_id = NULL, .oem_table_id = NULL }
extern int __init sfi_acpi_init(void);
@@ -68,3 +74,5 @@
struct sfi_table_key *key);
struct sfi_table_header *sfi_get_table(struct sfi_table_key *key);
extern void sfi_put_table(struct sfi_table_header *table);
+extern struct sfi_table_attr __init *sfi_sysfs_install_table(u64 pa);
+extern void __init sfi_acpi_sysfs_init(void);