path: root/drivers/firmware/Makefile
diff options
authorMike Waychison <mikew@google.com>2011-02-22 17:53:21 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2011-02-25 12:01:19 -0800
commit948af1f0bbc8526448e8cbe3f8d3bf211bdf5181 (patch)
tree6ecf0035c6466002d3ae32b4ab5230f5abb567eb /drivers/firmware/Makefile
parent93c890dbe5287d146007083021148e7318058e37 (diff)
firmware: Basic dmi-sysfs support
Introduce a new module "dmi-sysfs" that exports the broken out entries of the DMI table through sysfs. Entries are enumerated via dmi_walk() on module load, and are populated as kobjects rooted at /sys/firmware/dmi/entries. Entries are named "<type>-<instance>", where: <type> : is the type of the entry, and <instance> : is the ordinal count within the DMI table of that entry type. This instance is used in lieu the DMI entry's handle as no assurances are made by the kernel that handles are unique. All entries export the following attributes: length : The length of the formatted portion of the entry handle : The handle given to this entry by the firmware raw : The raw bytes of the entire entry, including the formatted portion, the unformatted (strings) portion, and the two terminating nul characters. type : The DMI entry type instance : The ordinal instance of this entry given its type. position : The position ordinal of the entry within the table in its entirety. Entries in dmi-sysfs are kobject backed members called "struct dmi_sysfs_entry" and belong to dmi_kset. They are threaded through entry_list (protected by entry_list_lock) so that we can find them at cleanup time. Signed-off-by: Mike Waychison <mikew@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/firmware/Makefile')
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile
index 1c3c17343dbe..20c17fca1232 100644
--- a/drivers/firmware/Makefile
+++ b/drivers/firmware/Makefile
@@ -2,6 +2,7 @@
# Makefile for the linux kernel.
obj-$(CONFIG_DMI) += dmi_scan.o
+obj-$(CONFIG_DMI_SYSFS) += dmi-sysfs.o
obj-$(CONFIG_EDD) += edd.o
obj-$(CONFIG_EFI_VARS) += efivars.o
obj-$(CONFIG_EFI_PCDP) += pcdp.o

Privacy Policy