ACPI: tables: Add support for NBFT

Add support for the NVMe Boot Firmware Table (NBFT) to facilitate
booting from NVM Express namespaces which are accessed via
NVMe over Fabrics (NVMe-oF).

Signed-off-by: Stuart Hayes <stuart.w.hayes@gmail.com>
Reviewed-by: John Meneghini <jmeneghi@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 5fbc32b..7b4680d 100644 (file)
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -555,7 +555,8 @@ static const char table_sigs[][ACPI_NAMESEG_SIZE] __initconst = {
        ACPI_SIG_WDDT, ACPI_SIG_WDRT, ACPI_SIG_DSDT, ACPI_SIG_FADT,
        ACPI_SIG_PSDT, ACPI_SIG_RSDT, ACPI_SIG_XSDT, ACPI_SIG_SSDT,
        ACPI_SIG_IORT, ACPI_SIG_NFIT, ACPI_SIG_HMAT, ACPI_SIG_PPTT,
-       ACPI_SIG_NHLT, ACPI_SIG_AEST, ACPI_SIG_CEDT, ACPI_SIG_AGDI };
+       ACPI_SIG_NHLT, ACPI_SIG_AEST, ACPI_SIG_CEDT, ACPI_SIG_AGDI,
+       ACPI_SIG_NBFT };
 
 #define ACPI_HEADER_SIZE sizeof(struct acpi_table_header)
 

diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index 4175dce..72884ef 100644 (file)
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -50,6 +50,8 @@
 #define ACPI_SIG_S3PT           "S3PT" /* S3 Performance (sub)Table */
 #define ACPI_SIG_PCCS           "PCC"  /* PCC Shared Memory Region */
 
+#define ACPI_SIG_NBFT          "NBFT"  /* NVMe Boot Firmware Table */
+
 /* Reserved table signatures */
 
 #define ACPI_SIG_MATR           "MATR" /* Memory Address Translation Table */