From nobody Fri Dec 19 12:01:36 2025 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 7D1252110; Thu, 9 Oct 2025 16:05:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=13.77.154.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760025920; cv=none; b=IWlg6JE1ctayOH71WM/WT3z+AsE31X4jOXVb0/Fs16S7mEPCS1vwgAcaAm2qvO12Uh4ZYS64q1kyuFT9pYdWL3yLLcARb3EZGPMC5W54G6XKRbnpHXuvO+FLUGItZuCh+TJQK/EVUOuIy2T3ECTyTmnNI0Ia+n2aG4jhSqODmRY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760025920; c=relaxed/simple; bh=u0pFlnTloCT5M/Rh2VATn4bgkUk4gEeJ7s3pbAIxvYg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bWywDT0Q/tN5sWZOPh5NE9WO4fVyzoYBvsgg97h+SGQ8aGuFyqMzqfvNGIYMjc7AbmLL1Xb4Hdf1d2nZUGEvHZt6AnATxhxCJzMl2jUn0GRv4amNzZEN/m0rMdtgyY+q38ve49+OF3qpa9GCzHtuw8IivAUzrGUag6c55Kex7ng= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b=DPWw11UP; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="DPWw11UP" Received: from home (syn-072-191-074-189.res.spectrum.com [72.191.74.189]) by linux.microsoft.com (Postfix) with ESMTPSA id 372CA211CE0F; Thu, 9 Oct 2025 09:05:11 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 372CA211CE0F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1760025912; bh=1Vc1iV/FS/KWNNaLUjA2zbVYY+CatKvwxbkgYqCU0KI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DPWw11UPKqw/QoC9/1xS1mlD3ZGi8yyINbkKJX6KD2sPy3YhiGbQh82L5iedqTZ9I HFWpQzISJS8OQFL+r54nikCOZyHrIOot1722uXfD9jVnF1+q/SnERpBVLR4JVxWunO pjqUkFPvtAQA5rr8nIsjcJVn8NGlTvmLNRRndhb8= From: Praveen K Paladugu 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 Message-ID: <20251009160501.6356-2-prapal@linux.microsoft.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251009160501.6356-1-prapal@linux.microsoft.com> References: <20251009160501.6356-1-prapal@linux.microsoft.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add the definitions required to configure sleep states in mshv hypervsior. Signed-off-by: Praveen K Paladugu Co-developed-by: Anatol Belski Signed-off-by: Anatol Belski Reviewed-by: Easwar Hariharan Reviewed-by: Nuno Das Neves --- 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 { =20 enum hv_system_property { /* Add more values when needed */ + HV_SYSTEM_PROPERTY_SLEEP_STATE =3D 3, HV_SYSTEM_PROPERTY_SCHEDULER_TYPE =3D 15, HV_DYNAMIC_PROCESSOR_FEATURE_PROPERTY =3D 21, }; =20 +enum hv_sleep_state { + HV_SLEEP_STATE_S1 =3D 1, + HV_SLEEP_STATE_S2 =3D 2, + HV_SLEEP_STATE_S3 =3D 3, + HV_SLEEP_STATE_S4 =3D 4, + HV_SLEEP_STATE_S5 =3D 5, + /* + * After hypervisor has received this, any follow up sleep + * state registration requests will be rejected. + */ + HV_SLEEP_STATE_LOCK =3D 6 +}; + enum hv_dynamic_processor_feature_property { /* Add more values when needed */ HV_X64_DYNAMIC_PROCESSOR_FEATURE_MAX_ENCRYPTED_PARTITIONS =3D 13, @@ -145,6 +159,25 @@ struct hv_output_get_system_property { }; } __packed; =20 +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; --=20 2.51.0