From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 174B7302154; Tue, 14 Oct 2025 16:42:01 +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=1760460123; cv=none; b=pRytQdYX6jq0V0Od5M7cQYFgXBIuJOXCQQVgDJcLWFczgizYrgEUgRBjVIBYTzUe9k1IagpUYBrmHPMdTBh47exmIsPrmxhw7URlB6h78cjwWuY7uFpAvIdVRD4jmD4a6Zxfe16Jpg24qDaahQGVlQ1QhvtGsTYN2vNts95xeEs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760460123; c=relaxed/simple; bh=xwbaGL8+g/ntx6x1Mi+6JhxrS+Gdrjh47ajCK0BHqBM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=N6H3X7wKGw41Ww3GvLjL72LHXfkvDpolFs6P4wkLMqIBvcT+1b5QQZRmaDzvIFtwski8MliOcpyRLbitZ2VP9UKfUvvou5Gn8u6nGFWCwzOo7soHWojPmQMg+u7M2zFeDPWTJFWshUOX9zRotKktca7j7lS7zPop+MaFj4r/zuw= 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=a2tUezks; 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="a2tUezks" Received: from home (syn-072-191-074-189.res.spectrum.com [72.191.74.189]) by linux.microsoft.com (Postfix) with ESMTPSA id 62DDD206596A; Tue, 14 Oct 2025 09:42:00 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 62DDD206596A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1760460121; bh=lZjzAES+NMy24RGMj45g+goGhzqpPqXBjdw3hTRWnQU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=a2tUezks3E8simGd6SxeCsuD5szLbkhxy75MsYLsg4TH3s6FkUfEEGFjNmvdsjBVO QM+Hqc1ueYE+vsnlWRvd0A9jjF7QfGK2sVvxGwTU2vXW3y8sCh3Ef0H29g9hzA54w8 Mc6JE+X6t8DlNnZx+/Qn6StI58LnGYI3aqmQkkMw= 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, easwar.hariharan@linux.microsoft.com, nunodasneves@linux.microsoft.com, skinsburskii@linux.microsoft.com Subject: [PATCH v2 1/2] hyperv: Add definitions for MSHV sleep state configuration Date: Tue, 14 Oct 2025 11:41:20 -0500 Message-ID: <20251014164150.6935-2-prapal@linux.microsoft.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251014164150.6935-1-prapal@linux.microsoft.com> References: <20251014164150.6935-1-prapal@linux.microsoft.com> Precedence: bulk X-Mailing-List: linux-hyperv@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 --- 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 1be7f6a02304..25041417b54b 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