From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) (using TLSv1 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 6CE1A1A1E05 for ; Tue, 18 Oct 2016 06:30:32 -0700 (PDT) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP; 18 Oct 2016 06:30:31 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.31,362,1473145200"; d="scan'208";a="1046380315" Received: from fmsmsx103.amr.corp.intel.com ([10.18.124.201]) by orsmga001.jf.intel.com with ESMTP; 18 Oct 2016 06:30:21 -0700 Received: from fmsmsx113.amr.corp.intel.com (10.18.116.7) by FMSMSX103.amr.corp.intel.com (10.18.124.201) with Microsoft SMTP Server (TLS) id 14.3.248.2; Tue, 18 Oct 2016 06:30:20 -0700 Received: from shsmsx103.ccr.corp.intel.com (10.239.4.69) by FMSMSX113.amr.corp.intel.com (10.18.116.7) with Microsoft SMTP Server (TLS) id 14.3.248.2; Tue, 18 Oct 2016 06:30:20 -0700 Received: from shsmsx102.ccr.corp.intel.com ([169.254.2.206]) by SHSMSX103.ccr.corp.intel.com ([169.254.4.139]) with mapi id 14.03.0248.002; Tue, 18 Oct 2016 21:30:18 +0800 From: "Yao, Jiewen" To: "Mudusuru, Giri P" , "edk2-devel@lists.01.org" CC: "Kinney, Michael D" , "Gao, Liming" Thread-Topic: [edk2] [PATCH] MdePkg: Add ACPI Low Power Idle Table (LPIT) definitions Thread-Index: AQHSKTJRNRNybqN4Q0aJmFf1deAT6qCuM8YA Date: Tue, 18 Oct 2016 13:30:17 +0000 Message-ID: <74D8A39837DF1E4DA445A8C0B3885C50386B3161@shsmsx102.ccr.corp.intel.com> References: <4be670ac09a39bcdcb50989e88fe0924382bd6b4.1476789783.git.giri.p.mudusuru@intel.com> In-Reply-To: <4be670ac09a39bcdcb50989e88fe0924382bd6b4.1476789783.git.giri.p.mudusuru@intel.com> Accept-Language: zh-CN, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] MIME-Version: 1.0 Subject: Re: [PATCH] MdePkg: Add ACPI Low Power Idle Table (LPIT) definitions X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 Oct 2016 13:30:32 -0000 Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable HI I recommend we just use #include . Acpi.h includes all ACPI version. There is no need to include Acpi61.h. With this change, reviewed-by: Jiewen.yao@intel.com > -----Original Message----- > From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of > Giri P Mudusuru > Sent: Tuesday, October 18, 2016 7:25 PM > To: edk2-devel@lists.01.org > Cc: Kinney, Michael D ; Yao, Jiewen > ; Gao, Liming > Subject: [edk2] [PATCH] MdePkg: Add ACPI Low Power Idle Table (LPIT) > definitions >=20 > ACPI Low Power Idle Table (LPIT) Revision 001, dated July 2014 > http://www.uefi.org/sites/default/files/resources/ACPI_Low_Power_Idle_T > able.pdf >=20 > Cc: Michael Kinney > Cc: Liming Gao > Cc: Jiewen Yao > Contributed-under: TianoCore Contribution Agreement 1.0 > Signed-off-by: Giri P Mudusuru > --- > .../Include/IndustryStandard/LowPowerIdleTable.h | 82 > ++++++++++++++++++++++ > 1 file changed, 82 insertions(+) > create mode 100644 > MdePkg/Include/IndustryStandard/LowPowerIdleTable.h >=20 > diff --git a/MdePkg/Include/IndustryStandard/LowPowerIdleTable.h > b/MdePkg/Include/IndustryStandard/LowPowerIdleTable.h > new file mode 100644 > index 0000000..b29db04 > --- /dev/null > +++ b/MdePkg/Include/IndustryStandard/LowPowerIdleTable.h > @@ -0,0 +1,82 @@ > +/** @file > + ACPI Low Power Idle Table (LPIT) definitions > + > + Copyright (c) 2016, Intel Corporation. All rights reserved.
> + This program and the accompanying materials > + are licensed and made available under the terms and conditions of the > BSD License > + which accompanies this distribution. The full text of the license may= be > found at > + http://opensource.org/licenses/bsd-license.php > + > + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" > BASIS, > + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER > EXPRESS OR IMPLIED. > + > + @par Revision Reference: > + - ACPI Low Power Idle Table (LPIT) Revision 001, dated July 2014 > + > http://www.uefi.org/sites/default/files/resources/ACPI_Low_Power_Idle_T > able.pdf > + > + @par Glossary: > + - GAS - Generic Address Structure > + - LPI - Low Power Idle > +**/ > +#ifndef _LOW_POWER_IDLE_TABLE_H_ > +#define _LOW_POWER_IDLE_TABLE_H_ > + > +#include > + > +#pragma pack(1) > + > +/// > +/// LPI Structure Types > +/// > +#define ACPI_LPI_STRUCTURE_TYPE_NATIVE_CSTATE 0x00 > + > +/// > +/// Low Power Idle (LPI) State Flags > +/// > +typedef union { > + struct { > + UINT32 Disabled : 1; ///< If set, LPI state is not used > + /** > + If set, Residency counter is not available for this LPI state and > + Residency Counter Frequency is invalid > + **/ > + UINT32 CounterUnavailable : 1; > + UINT32 Reserved : 30; ///< Reserved for future use. Must > be zero > + } Bits; > + UINT32 Data32; > +} ACPI_LPI_STATE_FLAGS; > + > +/// > +/// Low Power Idle (LPI) structure with Native C-state instruction entry > trigger descriptor > +/// > +typedef struct { > + UINT32 Type; ///< LPI State > descriptor Type 0 > + UINT32 Length; ///< Length of > LPI state Descriptor Structure > + /// > + /// Unique LPI state identifier: zero based, monotonically increasing > identifier > + /// > + UINT16 UniqueId; > + UINT8 Reserved[2]; ///< > Must be Zero > + ACPI_LPI_STATE_FLAGS Flags; ///< LPI > state flags > + /** > + The LPI entry trigger, matching an existing _CST.Register object, > represented as a > + Generic Address Structure. All processors must request this state or > deeper to trigger. > + **/ > + EFI_ACPI_6_1_GENERIC_ADDRESS_STRUCTURE EntryTrigger; > + UINT32 Residency; ///< > Minimum residency or break-even in uSec > + UINT32 Latency; ///< > Worst case exit latency in uSec > + /** > + [optional] Residency counter, represented as a Generic Address > Structure. > + If not present, Flags[1] bit should be set. > + **/ > + EFI_ACPI_6_1_GENERIC_ADDRESS_STRUCTURE ResidencyCounter; > + /** > + [optional] Residency counter frequency in cycles per second. Value 0 > indicates that > + counter runs at TSC frequency. Valid only if Residency Counter is > present. > + **/ > + UINT64 > ResidencyCounterFrequency; > +} ACPI_LPI_NATIVE_CSTATE_DESCRIPTOR; > + > +#pragma pack() > + > +#endif > -- > 2.9.0.windows.1 >=20 > _______________________________________________ > edk2-devel mailing list > edk2-devel@lists.01.org > https://lists.01.org/mailman/listinfo/edk2-devel