From: Praveen K Paladugu <prapal@linux.microsoft.com>
To: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org,
decui@microsoft.com, tglx@linutronix.de, mingo@redhat.com,
linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org,
bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org,
hpa@zytor.com, arnd@arndb.de
Cc: anbelski@linux.microsoft.com, prapal@linux.microsoft.com
Subject: [PATCH 1/2] hyperv: Add definitions for MSHV sleep state configuration
Date: Thu, 9 Oct 2025 10:58:50 -0500 [thread overview]
Message-ID: <20251009160501.6356-2-prapal@linux.microsoft.com> (raw)
In-Reply-To: <20251009160501.6356-1-prapal@linux.microsoft.com>
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>
---
include/hyperv/hvgdk_mini.h | 4 +++-
include/hyperv/hvhdk_mini.h | 33 +++++++++++++++++++++++++++++++++
2 files changed, 36 insertions(+), 1 deletion(-)
diff --git a/include/hyperv/hvgdk_mini.h b/include/hyperv/hvgdk_mini.h
index 77abddfc750e..943df5d292f2 100644
--- a/include/hyperv/hvgdk_mini.h
+++ b/include/hyperv/hvgdk_mini.h
@@ -464,18 +464,20 @@ 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_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 858f6a3925b3..8fa86c014c25 100644
--- a/include/hyperv/hvhdk_mini.h
+++ b/include/hyperv/hvhdk_mini.h
@@ -114,10 +114,24 @@ 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,
};
+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,
@@ -145,6 +159,25 @@ 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;
+ };
+} __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;
--
2.51.0
next prev parent reply other threads:[~2025-10-09 16:05 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-09 15:58 [PATCH 0/2] Add support for clean shutdown with MSHV Praveen K Paladugu
2025-10-09 15:58 ` Praveen K Paladugu [this message]
2025-10-09 17:30 ` [PATCH 1/2] hyperv: Add definitions for MSHV sleep state configuration Easwar Hariharan
2025-10-09 19:22 ` Nuno Das Neves
2025-10-09 15:58 ` [PATCH 2/2] hyperv: Enable clean shutdown for root partition with MSHV Praveen K Paladugu
2025-10-09 17:30 ` Easwar Hariharan
2025-10-13 15:17 ` Praveen K Paladugu
2025-10-09 19:18 ` Nuno Das Neves
2025-10-11 11:57 ` kernel test robot
2025-10-11 12:07 ` kernel test robot
2025-10-09 22:26 ` [PATCH 0/2] Add support for clean shutdown " Stanislav Kinsburskii
2025-10-13 19:05 ` Wei Liu
2025-10-13 19:57 ` Praveen K Paladugu
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