80 lines
2.5 KiB
Plaintext
80 lines
2.5 KiB
Plaintext
/**@file
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VMD remapped storage description for PCIe SSD remapped under VMD controller
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@copyright
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INTEL CONFIDENTIAL
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Copyright 2019 - 2020 Intel Corporation.
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The source code contained or described herein and all documents related to the
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source code ("Material") are owned by Intel Corporation or its suppliers or
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licensors. Title to the Material remains with Intel Corporation or its suppliers
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and licensors. The Material may contain trade secrets and proprietary and
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confidential information of Intel Corporation and its suppliers and licensors,
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and is protected by worldwide copyright and trade secret laws and treaty
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provisions. No part of the Material may be used, copied, reproduced, modified,
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published, uploaded, posted, transmitted, distributed, or disclosed in any way
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without Intel's prior express written permission.
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No license under any patent, copyright, trade secret or other intellectual
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property right is granted to or conferred upon you by disclosure or delivery
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of the Materials, either expressly, by implication, inducement, estoppel or
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otherwise. Any license under such intellectual property rights must be
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express and approved by Intel in writing.
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Unless otherwise agreed by Intel in writing, you may not remove or alter
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this notice or any other notice embedded in Materials by Intel or
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Intel's suppliers or licensors in any way.
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This file contains an 'Intel Peripheral Driver' and is uniquely identified as
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"Intel Reference Module" and is licensed for Intel CPUs and chipsets under
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the terms of your license agreement with Intel or your vendor. This file may
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be modified by the user, subject to additional terms of the license agreement.
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@par Specification Reference:
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**/
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Name(SD3C, 0) // Is device in D3Cold.
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//
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// Method to find whether SATA port is part of logical volume
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//
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Method(VS3D) {
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Return(VD3C(_ADR))
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}
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//
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// Method to turn ON remapped SATA Port.
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//
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Method(VSON, 0, Serialized) {
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// If device was not set in D3 cold do not re-initiate.
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If(LEqual(SD3C ,0)) {
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Return()
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}
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// Turn on power to the remapped SATA port
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\_SB.PC00.VMD0.VDON(RSPT, RSPI)
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Sleep(16) // Delay for power ramp.
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Store(0, SD3C)
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}
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//
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// Method to turn OFF remapped SATA Port.
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//
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Method(VSOF, 0, Serialized) {
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// Check if root port supports D3Cold
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// Return if there is no support
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// to avoid L2/L3 ready transition
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If(LNot(D3CV(RSPT, RSPI))) {
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Return()
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}
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// Turn off power to the remapped SATA port
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\_SB.PC00.VMD0.VDOF(RSPT, RSPI)
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Store(1, SD3C)
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}
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