Make it possible to retrieve a copy of the psci_0_1_function_ids struct.
This is useful for KVM if it is configured to intercept host's PSCI SMCs.
Signed-off-by: David Brazdil <dbrazdil@xxxxxxxxxx>
---
drivers/firmware/psci/psci.c | 12 +++++-------
include/linux/psci.h | 9 +++++++++
2 files changed, 14 insertions(+), 7 deletions(-)
diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c
index 593fdd0e09a2..f5fc429cae3f 100644
--- a/drivers/firmware/psci/psci.c
+++ b/drivers/firmware/psci/psci.c
@@ -58,15 +58,13 @@ typedef unsigned long (psci_fn)(unsigned long, unsigned long,
unsigned long, unsigned long);
static psci_fn *invoke_psci_fn;
-struct psci_0_1_function_ids {
- u32 cpu_suspend;
- u32 cpu_on;
- u32 cpu_off;
- u32 migrate;
-};
-
static struct psci_0_1_function_ids psci_0_1_function_ids;
+struct psci_0_1_function_ids get_psci_0_1_function_ids(void)
+{
+ return psci_0_1_function_ids;
+}
+
#define PSCI_0_2_POWER_STATE_MASK \
(PSCI_0_2_POWER_STATE_ID_MASK | \
PSCI_0_2_POWER_STATE_TYPE_MASK | \
diff --git a/include/linux/psci.h b/include/linux/psci.h
index 2a1bfb890e58..4ca0060a3fc4 100644
--- a/include/linux/psci.h
+++ b/include/linux/psci.h
@@ -34,6 +34,15 @@ struct psci_operations {
extern struct psci_operations psci_ops;
+struct psci_0_1_function_ids {
+ u32 cpu_suspend;
+ u32 cpu_on;
+ u32 cpu_off;
+ u32 migrate;
+};
+
+struct psci_0_1_function_ids get_psci_0_1_function_ids(void);
+
#if defined(CONFIG_ARM_PSCI_FW)
int __init psci_dt_init(void);
#else
--
2.29.2.454.gaff20da3a2-goog
