On 19 Oct 2024, at 17:15, David Woodhouse dwmw2@infradead.org wrote:
From: David Woodhouse dwmw@amazon.co.uk
The v1.3 PSCI spec (https://developer.arm.com/documentation/den0022) adds the SYSTEM_OFF2 function. Add definitions for it and its hibernation type parameter.
Signed-off-by: David Woodhouse dwmw@amazon.co.uk
include/uapi/linux/psci.h | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/include/uapi/linux/psci.h b/include/uapi/linux/psci.h index 42a40ad3fb62..81759ff385e6 100644 --- a/include/uapi/linux/psci.h +++ b/include/uapi/linux/psci.h @@ -59,6 +59,7 @@ #define PSCI_1_1_FN_SYSTEM_RESET2 PSCI_0_2_FN(18) #define PSCI_1_1_FN_MEM_PROTECT PSCI_0_2_FN(19) #define PSCI_1_1_FN_MEM_PROTECT_CHECK_RANGE PSCI_0_2_FN(20) +#define PSCI_1_3_FN_SYSTEM_OFF2 PSCI_0_2_FN(21)
#define PSCI_1_0_FN64_CPU_DEFAULT_SUSPEND PSCI_0_2_FN64(12) #define PSCI_1_0_FN64_NODE_HW_STATE PSCI_0_2_FN64(13) @@ -68,6 +69,7 @@
#define PSCI_1_1_FN64_SYSTEM_RESET2 PSCI_0_2_FN64(18) #define PSCI_1_1_FN64_MEM_PROTECT_CHECK_RANGE PSCI_0_2_FN64(20) +#define PSCI_1_3_FN64_SYSTEM_OFF2 PSCI_0_2_FN64(21)
/* PSCI v0.2 power state encoding for CPU_SUSPEND function */ #define PSCI_0_2_POWER_STATE_ID_MASK 0xffff @@ -100,6 +102,9 @@ #define PSCI_1_1_RESET_TYPE_SYSTEM_WARM_RESET 0 #define PSCI_1_1_RESET_TYPE_VENDOR_START 0x80000000U
+/* PSCI v1.3 hibernate type for SYSTEM_OFF2 */ +#define PSCI_1_3_OFF_TYPE_HIBERNATE_OFF BIT(0)
Reviewed-by: Miguel Luis miguel.luis@oracle.com
/* PSCI version decoding (independent of PSCI version) */ #define PSCI_VERSION_MAJOR_SHIFT 16
#define PSCI_VERSION_MINOR_MASK \
2.44.0