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9344f09215
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>
1244 lines
48 KiB
C
1244 lines
48 KiB
C
/** @file
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The multiple segments PCI configuration Library Services that carry out
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PCI configuration and enable the PCI operations to be replayed during an
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S3 resume. This library class maps directly on top of the PciSegmentLib class.
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Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <Base.h>
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#include <Library/DebugLib.h>
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#include <Library/S3BootScriptLib.h>
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#include <Library/PciSegmentLib.h>
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/**
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Macro that converts address in PciSegmentLib format to the new address that can be pass
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to the S3 Boot Script Library functions. The Segment is dropped.
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@param Address Address in PciSegmentLib format.
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@retval New address that can be pass to the S3 Boot Script Library functions.
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**/
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#define PCI_SEGMENT_LIB_ADDRESS_TO_S3_BOOT_SCRIPT_PCI_ADDRESS(Address) \
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((((UINT32)(Address) >> 20) & 0xff) << 24) | \
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((((UINT32)(Address) >> 15) & 0x1f) << 16) | \
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((((UINT32)(Address) >> 12) & 0x07) << 8) | \
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LShiftU64 ((Address) & 0xfff, 32) // Always put Register in high four bytes.
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/**
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Saves a PCI configuration value to the boot script.
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This internal worker function saves a PCI configuration value in
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the S3 script to be replayed on S3 resume.
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If the saving process fails, then ASSERT().
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@param Width The width of PCI configuration.
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@param Address Address that encodes the PCI Bus, Device, Function and
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Register.
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@param Buffer The buffer containing value.
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**/
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VOID
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InternalSavePciSegmentWriteValueToBootScript (
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IN S3_BOOT_SCRIPT_LIB_WIDTH Width,
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IN UINT64 Address,
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IN VOID *Buffer
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)
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{
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RETURN_STATUS Status;
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Status = S3BootScriptSavePciCfg2Write (
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Width,
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RShiftU64 ((Address), 32) & 0xffff,
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PCI_SEGMENT_LIB_ADDRESS_TO_S3_BOOT_SCRIPT_PCI_ADDRESS (Address),
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1,
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Buffer
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);
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ASSERT_RETURN_ERROR (Status);
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}
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/**
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Saves an 8-bit PCI configuration value to the boot script.
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This internal worker function saves an 8-bit PCI configuration value in
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the S3 script to be replayed on S3 resume.
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If the saving process fails, then ASSERT().
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@param Address Address that encodes the PCI Bus, Device, Function and
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Register.
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@param Value The value saved to boot script.
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@return Value.
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**/
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UINT8
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InternalSavePciSegmentWrite8ValueToBootScript (
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IN UINT64 Address,
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IN UINT8 Value
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)
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{
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InternalSavePciSegmentWriteValueToBootScript (S3BootScriptWidthUint8, Address, &Value);
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return Value;
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}
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/**
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Reads an 8-bit PCI configuration register, and saves the value in the S3 script to
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be replayed on S3 resume.
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Reads and returns the 8-bit PCI configuration register specified by Address.
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This function must guarantee that all PCI read and write operations are serialized.
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If any reserved bits in Address are set, then ASSERT().
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@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
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@return The 8-bit PCI configuration register specified by Address.
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**/
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UINT8
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EFIAPI
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S3PciSegmentRead8 (
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IN UINT64 Address
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)
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{
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return InternalSavePciSegmentWrite8ValueToBootScript (Address, PciSegmentRead8 (Address));
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}
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/**
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Writes an 8-bit PCI configuration register, and saves the value in the S3 script to
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be replayed on S3 resume.
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Writes the 8-bit PCI configuration register specified by Address with the value specified by Value.
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Value is returned. This function must guarantee that all PCI read and write operations are serialized.
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If any reserved bits in Address are set, then ASSERT().
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@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
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@param Value The value to write.
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@return The value written to the PCI configuration register.
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**/
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UINT8
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EFIAPI
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S3PciSegmentWrite8 (
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IN UINT64 Address,
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IN UINT8 Value
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)
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{
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return InternalSavePciSegmentWrite8ValueToBootScript (Address, PciSegmentWrite8 (Address, Value));
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}
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/**
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Performs a bitwise OR of an 8-bit PCI configuration register with an 8-bit value, and saves
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the value in the S3 script to be replayed on S3 resume.
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Reads the 8-bit PCI configuration register specified by Address,
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performs a bitwise OR between the read result and the value specified by OrData,
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and writes the result to the 8-bit PCI configuration register specified by Address.
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The value written to the PCI configuration register is returned.
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This function must guarantee that all PCI read and write operations are serialized.
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If any reserved bits in Address are set, then ASSERT().
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@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
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@param OrData The value to OR with the PCI configuration register.
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@return The value written to the PCI configuration register.
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**/
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UINT8
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EFIAPI
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S3PciSegmentOr8 (
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IN UINT64 Address,
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IN UINT8 OrData
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)
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{
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return InternalSavePciSegmentWrite8ValueToBootScript (Address, PciSegmentOr8 (Address, OrData));
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}
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/**
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Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit value, and
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saves the value in the S3 script to be replayed on S3 resume.
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Reads the 8-bit PCI configuration register specified by Address,
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performs a bitwise AND between the read result and the value specified by AndData,
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and writes the result to the 8-bit PCI configuration register specified by Address.
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The value written to the PCI configuration register is returned.
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This function must guarantee that all PCI read and write operations are serialized.
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If any reserved bits in Address are set, then ASSERT().
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@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
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@param AndData The value to AND with the PCI configuration register.
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@return The value written to the PCI configuration register.
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**/
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UINT8
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EFIAPI
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S3PciSegmentAnd8 (
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IN UINT64 Address,
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IN UINT8 AndData
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)
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{
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return InternalSavePciSegmentWrite8ValueToBootScript (Address, PciSegmentAnd8 (Address, AndData));
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}
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/**
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Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit value,
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followed a bitwise OR with another 8-bit value, and saves the value in the S3 script to
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be replayed on S3 resume.
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Reads the 8-bit PCI configuration register specified by Address,
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performs a bitwise AND between the read result and the value specified by AndData,
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performs a bitwise OR between the result of the AND operation and the value specified by OrData,
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and writes the result to the 8-bit PCI configuration register specified by Address.
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The value written to the PCI configuration register is returned.
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This function must guarantee that all PCI read and write operations are serialized.
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If any reserved bits in Address are set, then ASSERT().
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@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
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@param AndData The value to AND with the PCI configuration register.
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@param OrData The value to OR with the PCI configuration register.
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@return The value written to the PCI configuration register.
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**/
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UINT8
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EFIAPI
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S3PciSegmentAndThenOr8 (
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IN UINT64 Address,
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IN UINT8 AndData,
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IN UINT8 OrData
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)
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{
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return InternalSavePciSegmentWrite8ValueToBootScript (Address, PciSegmentAndThenOr8 (Address, AndData, OrData));
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}
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/**
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Reads a bit field of a PCI configuration register, and saves the value in the
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S3 script to be replayed on S3 resume.
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Reads the bit field in an 8-bit PCI configuration register. The bit field is
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specified by the StartBit and the EndBit. The value of the bit field is
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returned.
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If any reserved bits in Address are set, then ASSERT().
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If StartBit is greater than 7, then ASSERT().
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If EndBit is greater than 7, then ASSERT().
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If EndBit is less than StartBit, then ASSERT().
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@param Address PCI configuration register to read.
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@param StartBit The ordinal of the least significant bit in the bit field.
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Range 0..7.
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@param EndBit The ordinal of the most significant bit in the bit field.
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Range 0..7.
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@return The value of the bit field read from the PCI configuration register.
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**/
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UINT8
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EFIAPI
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S3PciSegmentBitFieldRead8 (
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IN UINT64 Address,
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IN UINTN StartBit,
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IN UINTN EndBit
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)
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{
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return InternalSavePciSegmentWrite8ValueToBootScript (Address, PciSegmentBitFieldRead8 (Address, StartBit, EndBit));
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}
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/**
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Writes a bit field to a PCI configuration register, and saves the value in
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the S3 script to be replayed on S3 resume.
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Writes Value to the bit field of the PCI configuration register. The bit
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field is specified by the StartBit and the EndBit. All other bits in the
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destination PCI configuration register are preserved. The new value of the
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8-bit register is returned.
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If any reserved bits in Address are set, then ASSERT().
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If StartBit is greater than 7, then ASSERT().
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If EndBit is greater than 7, then ASSERT().
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If EndBit is less than StartBit, then ASSERT().
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If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
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@param Address PCI configuration register to write.
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@param StartBit The ordinal of the least significant bit in the bit field.
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Range 0..7.
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@param EndBit The ordinal of the most significant bit in the bit field.
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Range 0..7.
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@param Value New value of the bit field.
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@return The value written back to the PCI configuration register.
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**/
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UINT8
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EFIAPI
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S3PciSegmentBitFieldWrite8 (
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IN UINT64 Address,
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IN UINTN StartBit,
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IN UINTN EndBit,
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IN UINT8 Value
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)
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{
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return InternalSavePciSegmentWrite8ValueToBootScript (Address, PciSegmentBitFieldWrite8 (Address, StartBit, EndBit, Value));
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}
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/**
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Reads a bit field in an 8-bit PCI configuration, performs a bitwise OR, writes
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the result back to the bit field in the 8-bit port, and saves the value in the
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S3 script to be replayed on S3 resume.
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Reads the 8-bit PCI configuration register specified by Address, performs a
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bitwise OR between the read result and the value specified by
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OrData, and writes the result to the 8-bit PCI configuration register
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specified by Address. The value written to the PCI configuration register is
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returned. This function must guarantee that all PCI read and write operations
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are serialized. Extra left bits in OrData are stripped.
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If any reserved bits in Address are set, then ASSERT().
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If StartBit is greater than 7, then ASSERT().
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If EndBit is greater than 7, then ASSERT().
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If EndBit is less than StartBit, then ASSERT().
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If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
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@param Address PCI configuration register to write.
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@param StartBit The ordinal of the least significant bit in the bit field.
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Range 0..7.
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@param EndBit The ordinal of the most significant bit in the bit field.
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Range 0..7.
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@param OrData The value to OR with the PCI configuration register.
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@return The value written back to the PCI configuration register.
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**/
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UINT8
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EFIAPI
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S3PciSegmentBitFieldOr8 (
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IN UINT64 Address,
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IN UINTN StartBit,
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IN UINTN EndBit,
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IN UINT8 OrData
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)
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{
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return InternalSavePciSegmentWrite8ValueToBootScript (Address, PciSegmentBitFieldOr8 (Address, StartBit, EndBit, OrData));
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}
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/**
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Reads a bit field in an 8-bit PCI configuration register, performs a bitwise
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AND, writes the result back to the bit field in the 8-bit register, and
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saves the value in the S3 script to be replayed on S3 resume.
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Reads the 8-bit PCI configuration register specified by Address, performs a
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bitwise AND between the read result and the value specified by AndData, and
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writes the result to the 8-bit PCI configuration register specified by
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Address. The value written to the PCI configuration register is returned.
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This function must guarantee that all PCI read and write operations are
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serialized. Extra left bits in AndData are stripped.
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If any reserved bits in Address are set, then ASSERT().
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If StartBit is greater than 7, then ASSERT().
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If EndBit is greater than 7, then ASSERT().
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If EndBit is less than StartBit, then ASSERT().
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If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
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@param Address PCI configuration register to write.
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@param StartBit The ordinal of the least significant bit in the bit field.
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Range 0..7.
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@param EndBit The ordinal of the most significant bit in the bit field.
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Range 0..7.
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@param AndData The value to AND with the PCI configuration register.
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@return The value written back to the PCI configuration register.
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**/
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UINT8
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EFIAPI
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S3PciSegmentBitFieldAnd8 (
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IN UINT64 Address,
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IN UINTN StartBit,
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IN UINTN EndBit,
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IN UINT8 AndData
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)
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{
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return InternalSavePciSegmentWrite8ValueToBootScript (Address, PciSegmentBitFieldAnd8 (Address, StartBit, EndBit, AndData));
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}
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/**
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Reads a bit field in an 8-bit port, performs a bitwise AND followed by a
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bitwise OR, writes the result back to the bit field in the 8-bit port,
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and saves the value in the S3 script to be replayed on S3 resume.
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Reads the 8-bit PCI configuration register specified by Address, performs a
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bitwise AND followed by a bitwise OR between the read result and
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the value specified by AndData, and writes the result to the 8-bit PCI
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configuration register specified by Address. The value written to the PCI
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configuration register is returned. This function must guarantee that all PCI
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read and write operations are serialized. Extra left bits in both AndData and
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OrData are stripped.
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If any reserved bits in Address are set, then ASSERT().
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If StartBit is greater than 7, then ASSERT().
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If EndBit is greater than 7, then ASSERT().
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If EndBit is less than StartBit, then ASSERT().
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If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
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If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
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@param Address PCI configuration register to write.
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@param StartBit The ordinal of the least significant bit in the bit field.
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Range 0..7.
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@param EndBit The ordinal of the most significant bit in the bit field.
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Range 0..7.
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@param AndData The value to AND with the PCI configuration register.
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@param OrData The value to OR with the result of the AND operation.
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@return The value written back to the PCI configuration register.
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**/
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UINT8
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EFIAPI
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S3PciSegmentBitFieldAndThenOr8 (
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IN UINT64 Address,
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IN UINTN StartBit,
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IN UINTN EndBit,
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IN UINT8 AndData,
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IN UINT8 OrData
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)
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{
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return InternalSavePciSegmentWrite8ValueToBootScript (Address, PciSegmentBitFieldAndThenOr8 (Address, StartBit, EndBit, AndData, OrData));
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}
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/**
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Saves a 16-bit PCI configuration value to the boot script.
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This internal worker function saves a 16-bit PCI configuration value in
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the S3 script to be replayed on S3 resume.
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|
|
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If the saving process fails, then ASSERT().
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|
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@param Address Address that encodes the PCI Bus, Device, Function and
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Register.
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@param Value The value saved to boot script.
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@return Value.
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**/
|
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UINT16
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InternalSavePciSegmentWrite16ValueToBootScript (
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IN UINT64 Address,
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IN UINT16 Value
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)
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{
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InternalSavePciSegmentWriteValueToBootScript (S3BootScriptWidthUint16, Address, &Value);
|
|
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return Value;
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}
|
|
|
|
/**
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Reads a 16-bit PCI configuration register, and saves the value in the S3 script
|
|
to be replayed on S3 resume.
|
|
|
|
Reads and returns the 16-bit PCI configuration register specified by Address.
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|
This function must guarantee that all PCI read and write operations are serialized.
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
|
|
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@return The 16-bit PCI configuration register specified by Address.
|
|
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|
**/
|
|
UINT16
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EFIAPI
|
|
S3PciSegmentRead16 (
|
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IN UINT64 Address
|
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)
|
|
{
|
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return InternalSavePciSegmentWrite16ValueToBootScript (Address, PciSegmentRead16 (Address));
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|
}
|
|
|
|
/**
|
|
Writes a 16-bit PCI configuration register, and saves the value in the S3 script to
|
|
be replayed on S3 resume.
|
|
|
|
Writes the 16-bit PCI configuration register specified by Address with the value specified by Value.
|
|
Value is returned. This function must guarantee that all PCI read and write operations are serialized.
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
|
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@param Value The value to write.
|
|
|
|
@return The parameter of Value.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
S3PciSegmentWrite16 (
|
|
IN UINT64 Address,
|
|
IN UINT16 Value
|
|
)
|
|
{
|
|
return InternalSavePciSegmentWrite16ValueToBootScript (Address, PciSegmentWrite16 (Address, Value));
|
|
}
|
|
|
|
/**
|
|
Performs a bitwise OR of a 16-bit PCI configuration register with a 16-bit
|
|
value, and saves the value in the S3 script to be replayed on S3 resume.
|
|
|
|
Reads the 16-bit PCI configuration register specified by Address, performs a
|
|
bitwise OR between the read result and the value specified by OrData, and
|
|
writes the result to the 16-bit PCI configuration register specified by Address.
|
|
The value written to the PCI configuration register is returned. This function
|
|
must guarantee that all PCI read and write operations are serialized.
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function and
|
|
Register.
|
|
@param OrData The value to OR with the PCI configuration register.
|
|
|
|
@return The value written back to the PCI configuration register.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
S3PciSegmentOr16 (
|
|
IN UINT64 Address,
|
|
IN UINT16 OrData
|
|
)
|
|
{
|
|
return InternalSavePciSegmentWrite16ValueToBootScript (Address, PciSegmentOr16 (Address, OrData));
|
|
}
|
|
|
|
/**
|
|
Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit value, and
|
|
saves the value in the S3 script to be replayed on S3 resume.
|
|
|
|
Reads the 16-bit PCI configuration register specified by Address,
|
|
performs a bitwise AND between the read result and the value specified by AndData,
|
|
and writes the result to the 16-bit PCI configuration register specified by Address.
|
|
The value written to the PCI configuration register is returned.
|
|
This function must guarantee that all PCI read and write operations are serialized.
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
|
|
@param AndData The value to AND with the PCI configuration register.
|
|
|
|
@return The value written to the PCI configuration register.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
S3PciSegmentAnd16 (
|
|
IN UINT64 Address,
|
|
IN UINT16 AndData
|
|
)
|
|
{
|
|
return InternalSavePciSegmentWrite16ValueToBootScript (Address, PciSegmentAnd16 (Address, AndData));
|
|
}
|
|
|
|
/**
|
|
Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit value,
|
|
followed a bitwise OR with another 16-bit value, and saves the value in the S3 script to
|
|
be replayed on S3 resume.
|
|
|
|
Reads the 16-bit PCI configuration register specified by Address,
|
|
performs a bitwise AND between the read result and the value specified by AndData,
|
|
performs a bitwise OR between the result of the AND operation and the value specified by OrData,
|
|
and writes the result to the 16-bit PCI configuration register specified by Address.
|
|
The value written to the PCI configuration register is returned.
|
|
This function must guarantee that all PCI read and write operations are serialized.
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
|
|
@param AndData The value to AND with the PCI configuration register.
|
|
@param OrData The value to OR with the PCI configuration register.
|
|
|
|
@return The value written to the PCI configuration register.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
S3PciSegmentAndThenOr16 (
|
|
IN UINT64 Address,
|
|
IN UINT16 AndData,
|
|
IN UINT16 OrData
|
|
)
|
|
{
|
|
return InternalSavePciSegmentWrite16ValueToBootScript (Address, PciSegmentAndThenOr16 (Address, AndData, OrData));
|
|
}
|
|
|
|
/**
|
|
Reads a bit field of a PCI configuration register, and saves the value in the
|
|
S3 script to be replayed on S3 resume.
|
|
|
|
Reads the bit field in a 16-bit PCI configuration register. The bit field is
|
|
specified by the StartBit and the EndBit. The value of the bit field is
|
|
returned.
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
If StartBit is greater than 15, then ASSERT().
|
|
If EndBit is greater than 15, then ASSERT().
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
|
|
@param Address PCI configuration register to read.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..15.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..15.
|
|
|
|
@return The value of the bit field read from the PCI configuration register.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
S3PciSegmentBitFieldRead16 (
|
|
IN UINT64 Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit
|
|
)
|
|
{
|
|
return InternalSavePciSegmentWrite16ValueToBootScript (Address, PciSegmentBitFieldRead16 (Address, StartBit, EndBit));
|
|
}
|
|
|
|
/**
|
|
Writes a bit field to a PCI configuration register, and saves the value in
|
|
the S3 script to be replayed on S3 resume.
|
|
|
|
Writes Value to the bit field of the PCI configuration register. The bit
|
|
field is specified by the StartBit and the EndBit. All other bits in the
|
|
destination PCI configuration register are preserved. The new value of the
|
|
16-bit register is returned.
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
If StartBit is greater than 15, then ASSERT().
|
|
If EndBit is greater than 15, then ASSERT().
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
|
|
|
|
@param Address PCI configuration register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..15.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..15.
|
|
@param Value New value of the bit field.
|
|
|
|
@return The value written back to the PCI configuration register.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
S3PciSegmentBitFieldWrite16 (
|
|
IN UINT64 Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT16 Value
|
|
)
|
|
{
|
|
return InternalSavePciSegmentWrite16ValueToBootScript (Address, PciSegmentBitFieldWrite16 (Address, StartBit, EndBit, Value));
|
|
}
|
|
|
|
/**
|
|
Reads a bit field in a 16-bit PCI configuration, performs a bitwise OR, writes
|
|
the result back to the bit field in the 16-bit port, and saves the value in the
|
|
S3 script to be replayed on S3 resume.
|
|
|
|
Reads the 16-bit PCI configuration register specified by Address, performs a
|
|
bitwise OR between the read result and the value specified by
|
|
OrData, and writes the result to the 16-bit PCI configuration register
|
|
specified by Address. The value written to the PCI configuration register is
|
|
returned. This function must guarantee that all PCI read and write operations
|
|
are serialized. Extra left bits in OrData are stripped.
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
If StartBit is greater than 15, then ASSERT().
|
|
If EndBit is greater than 15, then ASSERT().
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
|
|
|
|
@param Address PCI configuration register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..15.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..15.
|
|
@param OrData The value to OR with the PCI configuration register.
|
|
|
|
@return The value written back to the PCI configuration register.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
S3PciSegmentBitFieldOr16 (
|
|
IN UINT64 Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT16 OrData
|
|
)
|
|
{
|
|
return InternalSavePciSegmentWrite16ValueToBootScript (Address, PciSegmentBitFieldOr16 (Address, StartBit, EndBit, OrData));
|
|
}
|
|
|
|
/**
|
|
Reads a bit field in a 16-bit PCI configuration register, performs a bitwise
|
|
AND, writes the result back to the bit field in the 16-bit register, and
|
|
saves the value in the S3 script to be replayed on S3 resume.
|
|
|
|
Reads the 16-bit PCI configuration register specified by Address, performs a
|
|
bitwise AND between the read result and the value specified by AndData, and
|
|
writes the result to the 16-bit PCI configuration register specified by
|
|
Address. The value written to the PCI configuration register is returned.
|
|
This function must guarantee that all PCI read and write operations are
|
|
serialized. Extra left bits in AndData are stripped.
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
If StartBit is greater than 15, then ASSERT().
|
|
If EndBit is greater than 15, then ASSERT().
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..15.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..15.
|
|
@param AndData The value to AND with the PCI configuration register.
|
|
|
|
@return The value written back to the PCI configuration register.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
S3PciSegmentBitFieldAnd16 (
|
|
IN UINT64 Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT16 AndData
|
|
)
|
|
{
|
|
return InternalSavePciSegmentWrite16ValueToBootScript (Address, PciSegmentBitFieldAnd16 (Address, StartBit, EndBit, AndData));
|
|
}
|
|
|
|
/**
|
|
Reads a bit field in a 16-bit port, performs a bitwise AND followed by a
|
|
bitwise OR, writes the result back to the bit field in the 16-bit port,
|
|
and saves the value in the S3 script to be replayed on S3 resume.
|
|
|
|
Reads the 16-bit PCI configuration register specified by Address, performs a
|
|
bitwise AND followed by a bitwise OR between the read result and
|
|
the value specified by AndData, and writes the result to the 16-bit PCI
|
|
configuration register specified by Address. The value written to the PCI
|
|
configuration register is returned. This function must guarantee that all PCI
|
|
read and write operations are serialized. Extra left bits in both AndData and
|
|
OrData are stripped.
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
If StartBit is greater than 15, then ASSERT().
|
|
If EndBit is greater than 15, then ASSERT().
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
|
|
If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
|
|
|
|
@param Address PCI configuration register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..15.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..15.
|
|
@param AndData The value to AND with the PCI configuration register.
|
|
@param OrData The value to OR with the result of the AND operation.
|
|
|
|
@return The value written back to the PCI configuration register.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
S3PciSegmentBitFieldAndThenOr16 (
|
|
IN UINT64 Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT16 AndData,
|
|
IN UINT16 OrData
|
|
)
|
|
{
|
|
return InternalSavePciSegmentWrite16ValueToBootScript (Address, PciSegmentBitFieldAndThenOr16 (Address, StartBit, EndBit, AndData, OrData));
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
Saves a 32-bit PCI configuration value to the boot script.
|
|
|
|
This internal worker function saves a 32-bit PCI configuration value in the S3 script
|
|
to be replayed on S3 resume.
|
|
|
|
If the saving process fails, then ASSERT().
|
|
|
|
@param Address Address that encodes the PCI Bus, Device, Function and
|
|
Register.
|
|
@param Value The value saved to boot script.
|
|
|
|
@return Value.
|
|
|
|
**/
|
|
UINT32
|
|
InternalSavePciSegmentWrite32ValueToBootScript (
|
|
IN UINT64 Address,
|
|
IN UINT32 Value
|
|
)
|
|
{
|
|
InternalSavePciSegmentWriteValueToBootScript (S3BootScriptWidthUint32, Address, &Value);
|
|
|
|
return Value;
|
|
}
|
|
|
|
/**
|
|
Reads a 32-bit PCI configuration register, and saves the value in the S3 script
|
|
to be replayed on S3 resume.
|
|
|
|
Reads and returns the 32-bit PCI configuration register specified by Address.
|
|
This function must guarantee that all PCI read and write operations are serialized.
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
|
|
|
|
@return The 32-bit PCI configuration register specified by Address.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
S3PciSegmentRead32 (
|
|
IN UINT64 Address
|
|
)
|
|
{
|
|
return InternalSavePciSegmentWrite32ValueToBootScript (Address, PciSegmentRead32 (Address));
|
|
}
|
|
|
|
/**
|
|
Writes a 32-bit PCI configuration register, and saves the value in the S3 script to
|
|
be replayed on S3 resume.
|
|
|
|
Writes the 32-bit PCI configuration register specified by Address with the value specified by Value.
|
|
Value is returned. This function must guarantee that all PCI read and write operations are serialized.
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
|
|
@param Value The value to write.
|
|
|
|
@return The parameter of Value.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
S3PciSegmentWrite32 (
|
|
IN UINT64 Address,
|
|
IN UINT32 Value
|
|
)
|
|
{
|
|
return InternalSavePciSegmentWrite32ValueToBootScript (Address, PciSegmentWrite32 (Address, Value));
|
|
}
|
|
|
|
/**
|
|
Performs a bitwise OR of a 32-bit PCI configuration register with a 32-bit
|
|
value, and saves the value in the S3 script to be replayed on S3 resume.
|
|
|
|
Reads the 32-bit PCI configuration register specified by Address, performs a
|
|
bitwise OR between the read result and the value specified by OrData, and
|
|
writes the result to the 32-bit PCI configuration register specified by Address.
|
|
The value written to the PCI configuration register is returned. This function
|
|
must guarantee that all PCI read and write operations are serialized.
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function, and
|
|
Register.
|
|
@param OrData The value to OR with the PCI configuration register.
|
|
|
|
@return The value written back to the PCI configuration register.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
S3PciSegmentOr32 (
|
|
IN UINT64 Address,
|
|
IN UINT32 OrData
|
|
)
|
|
{
|
|
return InternalSavePciSegmentWrite32ValueToBootScript (Address, PciSegmentOr32 (Address, OrData));
|
|
}
|
|
|
|
/**
|
|
Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit value, and
|
|
saves the value in the S3 script to be replayed on S3 resume.
|
|
|
|
Reads the 32-bit PCI configuration register specified by Address,
|
|
performs a bitwise AND between the read result and the value specified by AndData,
|
|
and writes the result to the 32-bit PCI configuration register specified by Address.
|
|
The value written to the PCI configuration register is returned.
|
|
This function must guarantee that all PCI read and write operations are serialized.
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
|
|
@param AndData The value to AND with the PCI configuration register.
|
|
|
|
@return The value written to the PCI configuration register.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
S3PciSegmentAnd32 (
|
|
IN UINT64 Address,
|
|
IN UINT32 AndData
|
|
)
|
|
{
|
|
return InternalSavePciSegmentWrite32ValueToBootScript (Address, PciSegmentAnd32 (Address, AndData));
|
|
}
|
|
|
|
/**
|
|
Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit value,
|
|
followed a bitwise OR with another 32-bit value, and saves the value in the S3 script to
|
|
be replayed on S3 resume.
|
|
|
|
Reads the 32-bit PCI configuration register specified by Address,
|
|
performs a bitwise AND between the read result and the value specified by AndData,
|
|
performs a bitwise OR between the result of the AND operation and the value specified by OrData,
|
|
and writes the result to the 32-bit PCI configuration register specified by Address.
|
|
The value written to the PCI configuration register is returned.
|
|
This function must guarantee that all PCI read and write operations are serialized.
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
|
|
@param AndData The value to AND with the PCI configuration register.
|
|
@param OrData The value to OR with the PCI configuration register.
|
|
|
|
@return The value written to the PCI configuration register.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
S3PciSegmentAndThenOr32 (
|
|
IN UINT64 Address,
|
|
IN UINT32 AndData,
|
|
IN UINT32 OrData
|
|
)
|
|
{
|
|
return InternalSavePciSegmentWrite32ValueToBootScript (Address, PciSegmentAndThenOr32 (Address, AndData, OrData));
|
|
}
|
|
|
|
/**
|
|
Reads a bit field of a PCI configuration register, and saves the value in the
|
|
S3 script to be replayed on S3 resume.
|
|
|
|
Reads the bit field in a 32-bit PCI configuration register. The bit field is
|
|
specified by the StartBit and the EndBit. The value of the bit field is
|
|
returned.
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
If StartBit is greater than 31, then ASSERT().
|
|
If EndBit is greater than 31, then ASSERT().
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
|
|
@param Address PCI configuration register to read.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..31.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..31.
|
|
|
|
@return The value of the bit field read from the PCI configuration register.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
S3PciSegmentBitFieldRead32 (
|
|
IN UINT64 Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit
|
|
)
|
|
{
|
|
return InternalSavePciSegmentWrite32ValueToBootScript (Address, PciSegmentBitFieldRead32 (Address, StartBit, EndBit));
|
|
}
|
|
|
|
/**
|
|
Writes a bit field to a PCI configuration register, and saves the value in
|
|
the S3 script to be replayed on S3 resume.
|
|
|
|
Writes Value to the bit field of the PCI configuration register. The bit
|
|
field is specified by the StartBit and the EndBit. All other bits in the
|
|
destination PCI configuration register are preserved. The new value of the
|
|
32-bit register is returned.
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
If StartBit is greater than 31, then ASSERT().
|
|
If EndBit is greater than 31, then ASSERT().
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
|
|
|
|
@param Address PCI configuration register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..31.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..31.
|
|
@param Value New value of the bit field.
|
|
|
|
@return The value written back to the PCI configuration register.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
S3PciSegmentBitFieldWrite32 (
|
|
IN UINT64 Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT32 Value
|
|
)
|
|
{
|
|
return InternalSavePciSegmentWrite32ValueToBootScript (Address, PciSegmentBitFieldWrite32 (Address, StartBit, EndBit, Value));
|
|
}
|
|
|
|
/**
|
|
Reads a bit field in a 32-bit PCI configuration, performs a bitwise OR, writes
|
|
the result back to the bit field in the 32-bit port, and saves the value in the
|
|
S3 script to be replayed on S3 resume.
|
|
|
|
Reads the 32-bit PCI configuration register specified by Address, performs a
|
|
bitwise OR between the read result and the value specified by
|
|
OrData, and writes the result to the 32-bit PCI configuration register
|
|
specified by Address. The value written to the PCI configuration register is
|
|
returned. This function must guarantee that all PCI read and write operations
|
|
are serialized. Extra left bits in OrData are stripped.
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
If StartBit is greater than 31, then ASSERT().
|
|
If EndBit is greater than 31, then ASSERT().
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
|
|
|
|
@param Address PCI configuration register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..31.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..31.
|
|
@param OrData The value to OR with the PCI configuration register.
|
|
|
|
@return The value written back to the PCI configuration register.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
S3PciSegmentBitFieldOr32 (
|
|
IN UINT64 Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT32 OrData
|
|
)
|
|
{
|
|
return InternalSavePciSegmentWrite32ValueToBootScript (Address, PciSegmentBitFieldOr32 (Address, StartBit, EndBit, OrData));
|
|
}
|
|
|
|
/**
|
|
Reads a bit field in a 32-bit PCI configuration register, performs a bitwise
|
|
AND, and writes the result back to the bit field in the 32-bit register, and
|
|
saves the value in the S3 script to be replayed on S3 resume.
|
|
|
|
Reads the 32-bit PCI configuration register specified by Address, performs a
|
|
bitwise AND between the read result and the value specified by AndData, and
|
|
writes the result to the 32-bit PCI configuration register specified by
|
|
Address. The value written to the PCI configuration register is returned.
|
|
This function must guarantee that all PCI read and write operations are
|
|
serialized. Extra left bits in AndData are stripped.
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
If StartBit is greater than 31, then ASSERT().
|
|
If EndBit is greater than 31, then ASSERT().
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..31.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..31.
|
|
@param AndData The value to AND with the PCI configuration register.
|
|
|
|
@return The value written back to the PCI configuration register.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
S3PciSegmentBitFieldAnd32 (
|
|
IN UINT64 Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT32 AndData
|
|
)
|
|
{
|
|
return InternalSavePciSegmentWrite32ValueToBootScript (Address, PciSegmentBitFieldAnd32 (Address, StartBit, EndBit, AndData));
|
|
}
|
|
|
|
/**
|
|
Reads a bit field in a 32-bit port, performs a bitwise AND followed by a
|
|
bitwise OR, writes the result back to the bit field in the 32-bit port,
|
|
and saves the value in the S3 script to be replayed on S3 resume.
|
|
|
|
Reads the 32-bit PCI configuration register specified by Address, performs a
|
|
bitwise AND followed by a bitwise OR between the read result and
|
|
the value specified by AndData, and writes the result to the 32-bit PCI
|
|
configuration register specified by Address. The value written to the PCI
|
|
configuration register is returned. This function must guarantee that all PCI
|
|
read and write operations are serialized. Extra left bits in both AndData and
|
|
OrData are stripped.
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
If StartBit is greater than 31, then ASSERT().
|
|
If EndBit is greater than 31, then ASSERT().
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
|
|
If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
|
|
|
|
@param Address PCI configuration register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..31.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..31.
|
|
@param AndData The value to AND with the PCI configuration register.
|
|
@param OrData The value to OR with the result of the AND operation.
|
|
|
|
@return The value written back to the PCI configuration register.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
S3PciSegmentBitFieldAndThenOr32 (
|
|
IN UINT64 Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT32 AndData,
|
|
IN UINT32 OrData
|
|
)
|
|
{
|
|
return InternalSavePciSegmentWrite32ValueToBootScript (Address, PciSegmentBitFieldAndThenOr32 (Address, StartBit, EndBit, AndData, OrData));
|
|
}
|
|
|
|
/**
|
|
Reads a range of PCI configuration registers into a caller supplied buffer,
|
|
and saves the value in the S3 script to be replayed on S3 resume.
|
|
|
|
Reads the range of PCI configuration registers specified by StartAddress and
|
|
Size into the buffer specified by Buffer. This function only allows the PCI
|
|
configuration registers from a single PCI function to be read. Size is
|
|
returned. When possible 32-bit PCI configuration read cycles are used to read
|
|
from StartAdress to StartAddress + Size. Due to alignment restrictions, 8-bit
|
|
and 16-bit PCI configuration read cycles may be used at the beginning and the
|
|
end of the range.
|
|
|
|
If any reserved bits in StartAddress are set, then ASSERT().
|
|
If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().
|
|
If Size > 0 and Buffer is NULL, then ASSERT().
|
|
|
|
@param StartAddress Starting address that encodes the PCI Segment, Bus, Device,
|
|
Function and Register.
|
|
@param Size Size in bytes of the transfer.
|
|
@param Buffer Pointer to a buffer receiving the data read.
|
|
|
|
@return Size
|
|
|
|
**/
|
|
UINTN
|
|
EFIAPI
|
|
S3PciSegmentReadBuffer (
|
|
IN UINT64 StartAddress,
|
|
IN UINTN Size,
|
|
OUT VOID *Buffer
|
|
)
|
|
{
|
|
RETURN_STATUS Status;
|
|
|
|
Status = S3BootScriptSavePciCfg2Write (
|
|
S3BootScriptWidthUint8,
|
|
RShiftU64 (StartAddress, 32) & 0xffff,
|
|
PCI_SEGMENT_LIB_ADDRESS_TO_S3_BOOT_SCRIPT_PCI_ADDRESS (StartAddress),
|
|
PciSegmentReadBuffer (StartAddress, Size, Buffer),
|
|
Buffer
|
|
);
|
|
ASSERT_RETURN_ERROR (Status);
|
|
return Size;
|
|
}
|
|
|
|
/**
|
|
Copies the data in a caller supplied buffer to a specified range of PCI
|
|
configuration space, and saves the value in the S3 script to be replayed on S3
|
|
resume.
|
|
|
|
Writes the range of PCI configuration registers specified by StartAddress and
|
|
Size from the buffer specified by Buffer. This function only allows the PCI
|
|
configuration registers from a single PCI function to be written. Size is
|
|
returned. When possible 32-bit PCI configuration write cycles are used to
|
|
write from StartAdress to StartAddress + Size. Due to alignment restrictions,
|
|
8-bit and 16-bit PCI configuration write cycles may be used at the beginning
|
|
and the end of the range.
|
|
|
|
If any reserved bits in StartAddress are set, then ASSERT().
|
|
If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().
|
|
If Size > 0 and Buffer is NULL, then ASSERT().
|
|
|
|
@param StartAddress Starting address that encodes the PCI Segment, Bus, Device,
|
|
Function and Register.
|
|
@param Size Size in bytes of the transfer.
|
|
@param Buffer Pointer to a buffer containing the data to write.
|
|
|
|
@return The parameter of Size.
|
|
|
|
**/
|
|
UINTN
|
|
EFIAPI
|
|
S3PciSegmentWriteBuffer (
|
|
IN UINT64 StartAddress,
|
|
IN UINTN Size,
|
|
IN VOID *Buffer
|
|
)
|
|
{
|
|
RETURN_STATUS Status;
|
|
|
|
Status = S3BootScriptSavePciCfg2Write (
|
|
S3BootScriptWidthUint8,
|
|
RShiftU64 (StartAddress, 32) & 0xffff,
|
|
PCI_SEGMENT_LIB_ADDRESS_TO_S3_BOOT_SCRIPT_PCI_ADDRESS (StartAddress),
|
|
PciSegmentWriteBuffer (StartAddress, Size, Buffer),
|
|
Buffer
|
|
);
|
|
ASSERT_RETURN_ERROR (Status);
|
|
return Size;
|
|
}
|