mirror of https://github.com/acidanthera/audk.git
600 lines
24 KiB
C
600 lines
24 KiB
C
/** @file
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Defines library APIs used by modules to save EFI Boot Script Opcodes.
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These OpCode will be restored by S3 related modules.
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Note that some of the API defined in the Library class may not
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be provided in the Framework version library instance, which means some of these
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APIs cannot be used if the underlying firmware is Framework and not PI.
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Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions
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of the BSD License which accompanies this distribution. The
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full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _S3_BOOT_SCRIPT_LIB_H_
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#define _S3_BOOT_SCRIPT_LIB_H_
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#include <Library/BaseLib.h>
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#include <IndustryStandard/SmBus.h>
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/**
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Macro that converts PCI Bus, PCI Device, PCI Function and PCI Register to an
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address that can be passed to the S3 Boot Script Library PCI functions.
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@param Bus PCI Bus number. Range 0..255.
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@param Device PCI Device number. Range 0..31.
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@param Function PCI Function number. Range 0..7.
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@param Register PCI Register number. Range 0..255 for PCI. Range 0..4095
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for PCI Express.
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@return The encoded PCI address.
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**/
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#define S3_BOOT_SCRIPT_LIB_PCI_ADDRESS(Bus,Device,Function,Register) \
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(UINT64) ( \
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(((UINTN) Bus) << 24) | \
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(((UINTN) Device) << 16) | \
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(((UINTN) Function) << 8) | \
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(((UINTN) (Register)) < 256 ? ((UINTN) (Register)) : (UINT64) (LShiftU64 ((UINT64) (Register), 32))))
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///
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/// S3 Boot Script Width.
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///
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typedef enum {
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S3BootScriptWidthUint8, ///< 8-bit operation.
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S3BootScriptWidthUint16, ///< 16-bit operation.
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S3BootScriptWidthUint32, ///< 32-bit operation.
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S3BootScriptWidthUint64, ///< 64-bit operation.
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S3BootScriptWidthFifoUint8, ///< 8-bit FIFO operation.
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S3BootScriptWidthFifoUint16, ///< 16-bit FIFO operation.
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S3BootScriptWidthFifoUint32, ///< 32-bit FIFO operation.
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S3BootScriptWidthFifoUint64, ///< 64-bit FIFO operation.
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S3BootScriptWidthFillUint8, ///< 8-bit Fill operation.
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S3BootScriptWidthFillUint16, ///< 16-bit Fill operation.
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S3BootScriptWidthFillUint32, ///< 32-bit Fill operation.
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S3BootScriptWidthFillUint64, ///< 64-bit Fill operation.
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S3BootScriptWidthMaximum
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} S3_BOOT_SCRIPT_LIB_WIDTH;
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/**
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Save I/O write to boot script.
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@param[in] Width The width of the I/O operations.
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@param[in] Address The base address of the I/O operations.
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@param[in] Count The number of I/O operations to perform.
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@param[in] Buffer The source buffer from which to write data.
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@retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform
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the operation.
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@retval RETURN_SUCCESS The opcode was added.
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**/
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RETURN_STATUS
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EFIAPI
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S3BootScriptSaveIoWrite (
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IN S3_BOOT_SCRIPT_LIB_WIDTH Width,
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IN UINT64 Address,
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IN UINTN Count,
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IN VOID *Buffer
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);
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/**
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Adds a record for an I/O modify operation into a S3 boot script table.
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@param[in] Width The width of the I/O operations.
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@param[in] Address The base address of the I/O operations.
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@param[in] Data A pointer to the data to be OR-ed.
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@param[in] DataMask A pointer to the data mask to be AND-ed with the data
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read from the register.
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@retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform
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the operation.
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@retval RETURN_SUCCESS The opcode was added.
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**/
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RETURN_STATUS
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EFIAPI
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S3BootScriptSaveIoReadWrite (
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IN S3_BOOT_SCRIPT_LIB_WIDTH Width,
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IN UINT64 Address,
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IN VOID *Data,
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IN VOID *DataMask
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);
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/**
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Adds a record for a memory write operation into a specified boot script table.
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@param[in] Width The width of the I/O operations.
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@param[in] Address The base address of the memory operations
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@param[in] Count The number of memory operations to perform.
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@param[in] Buffer The source buffer from which to write the data.
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@retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform
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the operation.
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@retval RETURN_SUCCESS The opcode was added.
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**/
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RETURN_STATUS
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EFIAPI
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S3BootScriptSaveMemWrite (
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IN S3_BOOT_SCRIPT_LIB_WIDTH Width,
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IN UINT64 Address,
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IN UINTN Count,
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IN VOID *Buffer
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);
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/**
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Adds a record for a memory modify operation into a specified boot script table.
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@param[in] Width The width of the I/O operations.
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@param[in] Address The base address of the memory operations. Address needs
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alignment, if required
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@param[in] Data A pointer to the data to be OR-ed.
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@param[in] DataMask A pointer to the data mask to be AND-ed with the data
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read from the register.
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@retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform
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the operation.
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@retval RETURN_SUCCESS The opcode was added.
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**/
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RETURN_STATUS
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EFIAPI
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S3BootScriptSaveMemReadWrite (
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IN S3_BOOT_SCRIPT_LIB_WIDTH Width,
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IN UINT64 Address,
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IN VOID *Data,
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IN VOID *DataMask
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);
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/**
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Adds a record for a PCI configuration space write operation into a specified boot script table.
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@param[in] Width The width of the I/O operations.
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@param[in] Address The address within the PCI configuration space.
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@param[in] Count The number of PCI operations to perform.
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@param[in] Buffer The source buffer from which to write the data.
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@retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform
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the operation.
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@retval RETURN_SUCCESS The opcode was added.
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**/
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RETURN_STATUS
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EFIAPI
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S3BootScriptSavePciCfgWrite (
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IN S3_BOOT_SCRIPT_LIB_WIDTH Width,
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IN UINT64 Address,
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IN UINTN Count,
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IN VOID *Buffer
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);
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/**
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Adds a record for a PCI configuration space modify operation into a specified boot script table.
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@param[in] Width The width of the I/O operations.
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@param[in] Address The address within the PCI configuration space.
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@param[in] Data A pointer to the data to be OR-ed.The size depends on Width.
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@param[in] DataMask A pointer to the data mask to be AND-ed.
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@retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform
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the operation.
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@retval RETURN__SUCCESS The opcode was added.
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**/
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RETURN_STATUS
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EFIAPI
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S3BootScriptSavePciCfgReadWrite (
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IN S3_BOOT_SCRIPT_LIB_WIDTH Width,
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IN UINT64 Address,
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IN VOID *Data,
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IN VOID *DataMask
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);
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/**
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Adds a record for a PCI configuration space modify operation into a specified boot script table.
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@param[in] Width The width of the I/O operations.
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@param[in] Segment The PCI segment number for Address.
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@param[in] Address The address within the PCI configuration space.
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@param[in] Count The number of PCI operations to perform.
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@param[in] Buffer The source buffer from which to write the data.
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@retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform
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the operation.
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@retval RETURN_SUCCESS The opcode was added.
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**/
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RETURN_STATUS
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EFIAPI
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S3BootScriptSavePciCfg2Write (
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IN S3_BOOT_SCRIPT_LIB_WIDTH Width,
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IN UINT16 Segment,
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IN UINT64 Address,
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IN UINTN Count,
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IN VOID *Buffer
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);
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/**
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Adds a record for a PCI configuration space modify operation into a specified boot script table.
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@param[in] Width The width of the I/O operations.
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@param[in] Segment The PCI segment number for Address.
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@param[in] Address The address within the PCI configuration space.
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@param[in] Data A pointer to the data to be OR-ed. The size depends on Width.
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@param[in] DataMask A pointer to the data mask to be AND-ed.
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@retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform
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the operation.
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@retval RETURN_SUCCESS The opcode was added.
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**/
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RETURN_STATUS
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EFIAPI
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S3BootScriptSavePciCfg2ReadWrite (
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IN S3_BOOT_SCRIPT_LIB_WIDTH Width,
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IN UINT16 Segment,
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IN UINT64 Address,
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IN VOID *Data,
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IN VOID *DataMask
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);
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/**
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Adds a record for an SMBus command execution into a specified boot script table.
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@param[in] SmBusAddress Address that encodes the SMBUS Slave Address, SMBUS
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Command, SMBUS Data Length, and PEC.
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@param[in] Operation Indicates which particular SMBus protocol it will use
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to execute the SMBus transactions.
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@param[in] Length A pointer to signify the number of bytes that this
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operation will do.
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@param[in] Buffer Contains the value of data to execute to the SMBUS
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slave device.
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@retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform
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the operation.
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@retval RETURN_SUCCESS The opcode was added.
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**/
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RETURN_STATUS
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EFIAPI
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S3BootScriptSaveSmbusExecute (
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IN UINTN SmBusAddress,
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IN EFI_SMBUS_OPERATION Operation,
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IN UINTN *Length,
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IN VOID *Buffer
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);
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/**
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Adds a record for an execution stall on the processor into a specified boot script table.
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@param[in] Duration The duration in microseconds of the stall.
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@retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform
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the operation.
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@retval RETURN_SUCCESS The opcode was added.
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**/
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RETURN_STATUS
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EFIAPI
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S3BootScriptSaveStall (
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IN UINTN Duration
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);
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/**
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Adds a record for an execution stall on the processor into a specified boot script table.
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@param[in] EntryPoint The entry point of the code to be dispatched.
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@param[in] Context The argument to be passed into the EntryPoint of the code
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to be dispatched.
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@retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform
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the operation.
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@retval RETURN_SUCCESS The opcode was added.
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**/
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RETURN_STATUS
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EFIAPI
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S3BootScriptSaveDispatch2 (
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IN VOID *EntryPoint,
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IN VOID *Context
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);
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/**
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Adds a record for dispatching specified arbitrary code into a specified boot script table.
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@param[in] EntryPoint The entry point of the code to be dispatched.
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@retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform
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the operation.
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@retval RETURN_SUCCESS The opcode was added.
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**/
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RETURN_STATUS
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EFIAPI
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S3BootScriptSaveDispatch (
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IN VOID *EntryPoint
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);
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/**
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Adds a record for memory reads of the memory location and continues when the exit
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criteria is satisfied, or after a defined duration.
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@param[in] Width The width of the memory operations.
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@param[in] Address The base address of the memory operations.
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@param[in] BitMask A pointer to the bit mask to be AND-ed with the data read
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from the register.
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@param[in] BitValue A pointer to the data value after to be Masked.
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@param[in] Duration The duration in microseconds of the stall.
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@param[in] LoopTimes The times of the register polling.
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@retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform
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the operation.
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@retval RETURN_SUCCESS The opcode was added.
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**/
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RETURN_STATUS
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EFIAPI
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S3BootScriptSaveMemPoll (
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IN S3_BOOT_SCRIPT_LIB_WIDTH Width,
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IN UINT64 Address,
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IN VOID *BitMask,
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IN VOID *BitValue,
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IN UINTN Duration,
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IN UINTN LoopTimes
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);
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/**
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Store arbitrary information in the boot script table. This opcode is a no-op on
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dispatch and is only used for debugging script issues.
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@param[in] InformationLength Length of the data in bytes
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@param[in] Information Information to be logged in the boot scrpit
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@retval RETURN_UNSUPPORTED In runtime, this method is not supported.
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@retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform
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the operation.
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@retval RETURN_SUCCESS The opcode was added.
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**/
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RETURN_STATUS
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EFIAPI
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S3BootScriptSaveInformation (
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IN UINT32 InformationLength,
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IN VOID *Information
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);
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/**
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Adds a record for I/O reads the I/O location and continues when the exit criteria
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is satisfied, or after a defined duration.
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@param Width The width of the I/O operations.
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@param Address The base address of the I/O operations.
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@param Data The comparison value used for the polling exit criteria.
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@param DataMask The mask used for the polling criteria. The bits in
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the bytes below Width which are zero in Data are
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ignored when polling the memory address.
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@param Delay The number of 100ns units to poll. Note that timer
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available may be of insufficient granularity, so the
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delay may be longer.
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@retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform the
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operation.
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@retval RETURN_SUCCESS The opcode was added.
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@note The FRAMEWORK version implementation does not support this API
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**/
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RETURN_STATUS
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EFIAPI
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S3BootScriptSaveIoPoll (
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IN S3_BOOT_SCRIPT_LIB_WIDTH Width,
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IN UINT64 Address,
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IN VOID *Data,
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IN VOID *DataMask,
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IN UINT64 Delay
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);
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/**
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Adds a record for PCI configuration space reads and continues when the exit
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criteria is satisfied ,or after a defined duration.
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@param Width The width of the I/O operations.
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@param Address The address within the PCI configuration space.
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@param Data The comparison value used for the polling exit
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criteria.
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@param DataMask Mask used for the polling criteria. The bits in
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the bytes below Width which are zero in Data are
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ignored when polling the memory address.
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@param Delay The number of 100ns units to poll. Note that timer
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available may be of insufficient granularity, so the
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delay may be longer.
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@retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform the
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operation.
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@retval RETURN_SUCCESS The opcode was added.
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@note The FRAMEWORK version implementation does not support this API
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**/
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RETURN_STATUS
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EFIAPI
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S3BootScriptSavePciPoll (
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IN S3_BOOT_SCRIPT_LIB_WIDTH Width,
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IN UINT64 Address,
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IN VOID *Data,
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IN VOID *DataMask,
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IN UINT64 Delay
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);
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/**
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Adds a record for PCI configuration space reads and continues when the exit criteria
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is satisfied, or after a defined duration.
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@param Width The width of the I/O operations.
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@param Segment The PCI segment number for Address.
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@param Address The address within the PCI configuration space.
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@param Data The comparison value used for the polling exit
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criteria.
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@param DataMask Mask used for the polling criteria. The bits in
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the bytes below Width which are zero
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in Data are ignored when polling the memory address
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@param Delay The number of 100ns units to poll. Note that timer
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available may be of insufficient granularity so the delay
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may be longer.
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@retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform the
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operation.
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@retval RETURN_SUCCESS The opcode was added.
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@note A known Limitations in the implementation: When interpreting the opcode
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EFI_BOOT_SCRIPT_PCI_CONFIG2_WRITE_OPCODE, EFI_BOOT_SCRIPT_PCI_CONFIG2_READ_WRITE_OPCODE
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and EFI_BOOT_SCRIPT_PCI_CONFIG2_POLL_OPCODE, the 'Segment' parameter is assumed as
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Zero, or else, assert.
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The FRAMEWORK version implementation does not support this API.
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**/
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RETURN_STATUS
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EFIAPI
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S3BootScriptSavePci2Poll (
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IN S3_BOOT_SCRIPT_LIB_WIDTH Width,
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IN UINT16 Segment,
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IN UINT64 Address,
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IN VOID *Data,
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IN VOID *DataMask,
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IN UINT64 Delay
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);
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/**
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Save ASCII string information specified by Buffer to boot script with opcode
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EFI_BOOT_SCRIPT_INFORMATION_OPCODE.
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@param[in] String The Null-terminated ASCII string to store into the S3 boot
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script table.
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@retval RETURN_UNSUPPORTED In runtime, this method is not supported.
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@retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform
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the operation.
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@retval RETURN_SUCCESS The opcode was added.
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**/
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RETURN_STATUS
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EFIAPI
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S3BootScriptSaveInformationAsciiString (
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IN CONST CHAR8 *String
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);
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/**
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This is an function to close the S3 boot script table. The function could only
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be called in BOOT time phase. To comply with the Framework spec definition on
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EFI_BOOT_SCRIPT_SAVE_PROTOCOL.CloseTable(), this function will fulfill following things:
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1. Closes the specified boot script table
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2. It allocates a new memory pool to duplicate all the boot scripts in the specified table.
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Once this function is called, the table maintained by the library will be destroyed
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after it is copied into the allocated pool.
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3. Any attempts to add a script record after calling this function will cause a
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new table to be created by the library.
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4. The base address of the allocated pool will be returned in Address. Note that
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after using the boot script table, the CALLER is responsible for freeing the
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pool that is allocated by this function.
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In Spec PI1.1, this EFI_BOOT_SCRIPT_SAVE_PROTOCOL.CloseTable() is retired. This
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API is supplied here to meet the requirements of the Framework Spec.
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If anyone does call CloseTable() on a real platform, then the caller is responsible
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for figuring out how to get the script to run on an S3 resume because the boot script
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maintained by the lib will be destroyed.
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@return the base address of the new copy of the boot script tble.
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**/
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UINT8*
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EFIAPI
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S3BootScriptCloseTable (
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VOID
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);
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/**
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Executes the S3 boot script table.
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@retval RETURN_SUCCESS The boot script table was executed successfully.
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@retval RETURN_UNSUPPORTED Invalid script table or opcode.
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**/
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RETURN_STATUS
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EFIAPI
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|
S3BootScriptExecute (
|
|
VOID
|
|
);
|
|
/**
|
|
Move the last boot script entry to the position
|
|
|
|
@param BeforeOrAfter Specifies whether the opcode is stored before
|
|
(TRUE) or after (FALSE) the positionin the boot
|
|
script table specified by Position. If Position
|
|
is NULL or points to NULL then the new opcode is
|
|
inserted at the beginning of the table (if TRUE)
|
|
or end of the table (if FALSE).
|
|
@param Position On entry, specifies the position in the boot script
|
|
table where the opcode will be inserted, either
|
|
before or after, depending on BeforeOrAfter. On
|
|
exit, specifies the position of the inserted opcode
|
|
in the boot script table.
|
|
|
|
@retval RETURN_OUT_OF_RESOURCES The table is not available.
|
|
@retval RETURN_INVALID_PARAMETER The Position is not a valid position in the
|
|
boot script table.
|
|
@retval RETURN_SUCCESS The opcode was inserted.
|
|
@note The FRAMEWORK version implementation does not support this API.
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
S3BootScriptMoveLastOpcode (
|
|
IN BOOLEAN BeforeOrAfter,
|
|
IN OUT VOID **Position OPTIONAL
|
|
);
|
|
/**
|
|
Find a label within the boot script table and, if not present, optionally create it.
|
|
|
|
@param BeforeOrAfter Specifies whether the opcode is stored before (TRUE)
|
|
or after (FALSE) the position in the boot script table
|
|
specified by Position.
|
|
@param CreateIfNotFound Specifies whether the label will be created if the
|
|
label does not exists (TRUE) or not (FALSE).
|
|
@param Position On entry, specifies the position in the boot script
|
|
table where the opcode will be inserted, either
|
|
before or after, depending on BeforeOrAfter. On exit,
|
|
specifies the positionof the inserted opcode in
|
|
the boot script table.
|
|
@param Label Points to the label which will be inserted in the
|
|
boot script table.
|
|
@retval EFI_SUCCESS The operation succeeded. A record was added into
|
|
the specified script table.
|
|
@retval EFI_INVALID_PARAMETER The parameter is illegal or the given boot script
|
|
is not supported. If the opcode is unknow or not
|
|
supported because of the PCD Feature Flags.
|
|
@retval EFI_OUT_OF_RESOURCES There is insufficient memory to store the boot script.
|
|
@note The FRAMEWORK version implementation does not support this API
|
|
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
S3BootScriptLabel (
|
|
IN BOOLEAN BeforeOrAfter,
|
|
IN BOOLEAN CreateIfNotFound,
|
|
IN OUT VOID **Position OPTIONAL,
|
|
IN CONST CHAR8 *Label
|
|
);
|
|
/**
|
|
Compare two positions in the boot script table and return their relative position.
|
|
@param Position1 The positions in the boot script table to compare
|
|
@param Position2 The positions in the boot script table to compare
|
|
@param RelativePosition On return, points to the result of the comparison
|
|
|
|
@retval EFI_SUCCESS The operation succeeded. A record was added into the
|
|
specified script table.
|
|
@retval EFI_INVALID_PARAMETER The parameter is illegal or the given boot script
|
|
is not supported. If the opcode is unknow or not s
|
|
upported because of the PCD Feature Flags.
|
|
@retval EFI_OUT_OF_RESOURCES There is insufficient memory to store the boot script.
|
|
@note The FRAMEWORK version implementation does not support this API
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
S3BootScriptCompare (
|
|
IN UINT8 *Position1,
|
|
IN UINT8 *Position2,
|
|
OUT UINTN *RelativePosition
|
|
);
|
|
|
|
#endif
|