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authorPraveen K Paladugu <prapal@linux.microsoft.com>2025-12-05 14:17:06 -0600
committerWei Liu <wei.liu@kernel.org>2025-12-05 23:24:57 +0000
commit723c47a221ee407901055c9d9b4434e68c5d650e (patch)
tree604eea277f75bb25187121f19cd6d23c4a75612b
parentb9a66cd5ccbb9fade15d0e427e19470d8ad35b75 (diff)
downloadtip-723c47a221ee407901055c9d9b4434e68c5d650e.tar.gz
mshv: Add definitions for MSHV sleep state configuration
Add the definitions required to configure sleep states in mshv hypervsior. Signed-off-by: Praveen K Paladugu <prapal@linux.microsoft.com> Co-developed-by: Anatol Belski <anbelski@linux.microsoft.com> Signed-off-by: Anatol Belski <anbelski@linux.microsoft.com> Reviewed-by: Easwar Hariharan <easwar.hariharan@linux.microsoft.com> Reviewed-by: Nuno Das Neves <nunodasneves@linux.microsoft.com> Acked-by: Stanislav Kinsburskii <skinsburskii@linux.microsoft.com> Signed-off-by: Wei Liu <wei.liu@kernel.org>
-rw-r--r--include/hyperv/hvgdk_mini.h4
-rw-r--r--include/hyperv/hvhdk_mini.h40
2 files changed, 43 insertions, 1 deletions
diff --git a/include/hyperv/hvgdk_mini.h b/include/hyperv/hvgdk_mini.h
index 1d5ce11be8b63a..04b18d0e37af36 100644
--- a/include/hyperv/hvgdk_mini.h
+++ b/include/hyperv/hvgdk_mini.h
@@ -465,19 +465,21 @@ union hv_vp_assist_msr_contents { /* HV_REGISTER_VP_ASSIST_PAGE */
#define HVCALL_RESET_DEBUG_SESSION 0x006b
#define HVCALL_MAP_STATS_PAGE 0x006c
#define HVCALL_UNMAP_STATS_PAGE 0x006d
+#define HVCALL_SET_SYSTEM_PROPERTY 0x006f
#define HVCALL_ADD_LOGICAL_PROCESSOR 0x0076
#define HVCALL_GET_SYSTEM_PROPERTY 0x007b
#define HVCALL_MAP_DEVICE_INTERRUPT 0x007c
#define HVCALL_UNMAP_DEVICE_INTERRUPT 0x007d
#define HVCALL_RETARGET_INTERRUPT 0x007e
#define HVCALL_NOTIFY_PARTITION_EVENT 0x0087
+#define HVCALL_ENTER_SLEEP_STATE 0x0084
#define HVCALL_NOTIFY_PORT_RING_EMPTY 0x008b
#define HVCALL_REGISTER_INTERCEPT_RESULT 0x0091
#define HVCALL_ASSERT_VIRTUAL_INTERRUPT 0x0094
#define HVCALL_CREATE_PORT 0x0095
#define HVCALL_CONNECT_PORT 0x0096
#define HVCALL_START_VP 0x0099
-#define HVCALL_GET_VP_INDEX_FROM_APIC_ID 0x009a
+#define HVCALL_GET_VP_INDEX_FROM_APIC_ID 0x009a
#define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_SPACE 0x00af
#define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_LIST 0x00b0
#define HVCALL_SIGNAL_EVENT_DIRECT 0x00c0
diff --git a/include/hyperv/hvhdk_mini.h b/include/hyperv/hvhdk_mini.h
index f2d7b50de7a42c..41a29bf8ec145c 100644
--- a/include/hyperv/hvhdk_mini.h
+++ b/include/hyperv/hvhdk_mini.h
@@ -140,6 +140,7 @@ enum hv_snp_status {
enum hv_system_property {
/* Add more values when needed */
+ HV_SYSTEM_PROPERTY_SLEEP_STATE = 3,
HV_SYSTEM_PROPERTY_SCHEDULER_TYPE = 15,
HV_DYNAMIC_PROCESSOR_FEATURE_PROPERTY = 21,
HV_SYSTEM_PROPERTY_CRASHDUMPAREA = 47,
@@ -155,6 +156,19 @@ union hv_pfn_range { /* HV_SPA_PAGE_RANGE */
} __packed;
};
+enum hv_sleep_state {
+ HV_SLEEP_STATE_S1 = 1,
+ HV_SLEEP_STATE_S2 = 2,
+ HV_SLEEP_STATE_S3 = 3,
+ HV_SLEEP_STATE_S4 = 4,
+ HV_SLEEP_STATE_S5 = 5,
+ /*
+ * After hypervisor has received this, any follow up sleep
+ * state registration requests will be rejected.
+ */
+ HV_SLEEP_STATE_LOCK = 6
+};
+
enum hv_dynamic_processor_feature_property {
/* Add more values when needed */
HV_X64_DYNAMIC_PROCESSOR_FEATURE_MAX_ENCRYPTED_PARTITIONS = 13,
@@ -184,6 +198,32 @@ struct hv_output_get_system_property {
};
} __packed;
+struct hv_sleep_state_info {
+ u32 sleep_state; /* enum hv_sleep_state */
+ u8 pm1a_slp_typ;
+ u8 pm1b_slp_typ;
+} __packed;
+
+struct hv_input_set_system_property {
+ u32 property_id; /* enum hv_system_property */
+ u32 reserved;
+ union {
+ /* More fields to be filled in when needed */
+ struct hv_sleep_state_info set_sleep_state_info;
+
+ /*
+ * Add a reserved field to ensure the union is 8-byte aligned as
+ * existing members may not be. This is a temporary measure
+ * until all remaining members are added.
+ */
+ u64 reserved0[8];
+ };
+} __packed;
+
+struct hv_input_enter_sleep_state { /* HV_INPUT_ENTER_SLEEP_STATE */
+ u32 sleep_state; /* enum hv_sleep_state */
+} __packed;
+
struct hv_input_map_stats_page {
u32 type; /* enum hv_stats_object_type */
u32 padding;