As tboot currently does not support the reduced hardware sleep
interface, fail this extended call.
Signed-off-by: Ben Guthro <benjamin.gut...@citrix.com>
Signed-off-by: Jan Beulich <jbeul...@suse.com>
Cc: tboot-de...@lists.sourceforge.net
Cc: Gang Wei <gang....@intel.com>
---
arch/x86/kernel/tboot.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c
index f84fe00..016fbb8 100644
--- a/arch/x86/kernel/tboot.c
+++ b/arch/x86/kernel/tboot.c
@@ -273,7 +273,8 @@ static void tboot_copy_fadt(const struct acpi_table_fadt
*fadt)
offsetof(struct acpi_table_facs, firmware_waking_vector);
}
-static int tboot_sleep(u8 sleep_state, u32 pm1a_control, u32 pm1b_control)
+static int tboot_sleep(u8 sleep_state, u32 pm1a_control, u32 pm1b_control,
+ u8 extended)
{
static u32 acpi_shutdown_map[ACPI_S_STATE_COUNT] = {
/* S0,1,2: */ -1, -1, -1,
@@ -284,6 +285,9 @@ static int tboot_sleep(u8 sleep_state, u32 pm1a_control,
u32 pm1b_control)
if (!tboot_enabled())
return 0;
+ if (extended)
+ return -1;
+
tboot_copy_fadt(&acpi_gbl_FADT);
tboot->acpi_sinfo.pm1a_cnt_val = pm1a_control;
tboot->acpi_sinfo.pm1b_cnt_val = pm1b_control;
--
1.7.9.5
--
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