+++ /dev/null
-/** @file\r
- Pci Express Library Services for PCI Segment #0\r
-\r
- Copyright (c) 2006, Intel Corporation\r
- All rights reserved. This program and the accompanying materials\r
- are licensed and made available under the terms and conditions of the BSD License\r
- which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
- Module Name: PciExpressLib.h\r
-\r
-**/\r
-\r
-#ifndef __PCI_EXPRESS_LIB_H__\r
-#define __PCI_EXPRESS_LIB_H__\r
-\r
-#include <Library/PciLib.h>\r
-\r
-/**\r
- Macro that converts PCI Bus, PCI Device, PCI Function and PCI Register to an\r
- address that can be passed to the PCI Library functions.\r
-\r
- Computes an address that is compatible with the PCI Library functions. The\r
- unused upper bits of Bus, Device, Function and Register are stripped prior to\r
- the generation of the address.\r
-\r
- @param Bus PCI Bus number. Range 0..255.\r
- @param Device PCI Device number. Range 0..31.\r
- @param Function PCI Function number. Range 0..7.\r
- @param Register PCI Register number. Range 0..4095.\r
-\r
- @return The encode PCI address.\r
-\r
-**/\r
-#define PCI_EXPRESS_LIB_ADDRESS(Bus,Device,Function,Offset) \\r
- (((Offset) & 0xfff) | (((Function) & 0x07) << 12) | (((Device) & 0x1f) << 15) | (((Bus) & 0xff) << 20))\r
-\r
-/**\r
- Reads an 8-bit PCI configuration register.\r
-\r
- Reads and returns the 8-bit PCI configuration register specified by Address.\r
- This function must guarantee that all PCI read and write operations are\r
- serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
-\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
- Register.\r
-\r
- @return The read value from the PCI configuration register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-PciExpressRead8 (\r
- IN UINTN Address\r
- );\r
-\r
-/**\r
- Writes an 8-bit PCI configuration register.\r
-\r
- Writes the 8-bit PCI configuration register specified by Address with the\r
- value specified by Value. Value is returned. This function must guarantee\r
- that all PCI read and write operations are serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
-\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param Value The value to write.\r
-\r
- @return The value written to the PCI configuration register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-PciExpressWrite8 (\r
- IN UINTN Address,\r
- IN UINT8 Data\r
- );\r
-\r
-/**\r
- Performs a bitwise inclusive OR of an 8-bit PCI configuration register with\r
- an 8-bit value.\r
-\r
- Reads the 8-bit PCI configuration register specified by Address, performs a\r
- bitwise inclusive OR between the read result and the value specified by\r
- OrData, and writes the result to the 8-bit PCI configuration register\r
- specified by Address. The value written to the PCI configuration register is\r
- returned. This function must guarantee that all PCI read and write operations\r
- are serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
-\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param OrData The value to OR with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-PciExpressOr8 (\r
- IN UINTN Address,\r
- IN UINT8 OrData\r
- );\r
-\r
-/**\r
- Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit\r
- value.\r
-\r
- Reads the 8-bit PCI configuration register specified by Address, performs a\r
- bitwise AND between the read result and the value specified by AndData, and\r
- writes the result to the 8-bit PCI configuration register specified by\r
- Address. The value written to the PCI configuration register is returned.\r
- This function must guarantee that all PCI read and write operations are\r
- serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
-\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param AndData The value to AND with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-PciExpressAnd8 (\r
- IN UINTN Address,\r
- IN UINT8 AndData\r
- );\r
-\r
-/**\r
- Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit\r
- value, followed a bitwise inclusive OR with another 8-bit value.\r
-\r
- Reads the 8-bit PCI configuration register specified by Address, performs a\r
- bitwise AND between the read result and the value specified by AndData,\r
- performs a bitwise inclusive OR between the result of the AND operation and\r
- the value specified by OrData, and writes the result to the 8-bit PCI\r
- configuration register specified by Address. The value written to the PCI\r
- configuration register is returned. This function must guarantee that all PCI\r
- read and write operations are serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
-\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param AndData The value to AND with the PCI configuration register.\r
- @param OrData The value to OR with the result of the AND operation.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-PciExpressAndThenOr8 (\r
- IN UINTN Address,\r
- IN UINT8 AndData,\r
- IN UINT8 OrData\r
- );\r
-\r
-/**\r
- Reads a bit field of a PCI configuration register.\r
-\r
- Reads the bit field in an 8-bit PCI configuration register. The bit field is\r
- specified by the StartBit and the EndBit. The value of the bit field is\r
- returned.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If StartBit is greater than 7, then ASSERT().\r
- If EndBit is greater than 7, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
-\r
- @param Address PCI configuration register to read.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..7.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..7.\r
-\r
- @return The value of the bit field read from the PCI configuration register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-PciExpressBitFieldRead8 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit\r
- );\r
-\r
-/**\r
- Writes a bit field to a PCI configuration register.\r
-\r
- Writes Value to the bit field of the PCI configuration register. The bit\r
- field is specified by the StartBit and the EndBit. All other bits in the\r
- destination PCI configuration register are preserved. The new value of the\r
- 8-bit register is returned.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If StartBit is greater than 7, then ASSERT().\r
- If EndBit is greater than 7, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
-\r
- @param Address PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..7.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..7.\r
- @param Value New value of the bit field.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-PciExpressBitFieldWrite8 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT8 Value\r
- );\r
-\r
-/**\r
- Reads a bit field in an 8-bit PCI configuration, performs a bitwise OR, and\r
- writes the result back to the bit field in the 8-bit port.\r
-\r
- Reads the 8-bit PCI configuration register specified by Address, performs a\r
- bitwise inclusive OR between the read result and the value specified by\r
- OrData, and writes the result to the 8-bit PCI configuration register\r
- specified by Address. The value written to the PCI configuration register is\r
- returned. This function must guarantee that all PCI read and write operations\r
- are serialized. Extra left bits in OrData are stripped.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If StartBit is greater than 7, then ASSERT().\r
- If EndBit is greater than 7, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
-\r
- @param Address PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..7.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..7.\r
- @param OrData The value to OR with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-PciExpressBitFieldOr8 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT8 OrData\r
- );\r
-\r
-/**\r
- Reads a bit field in an 8-bit PCI configuration register, performs a bitwise\r
- AND, and writes the result back to the bit field in the 8-bit register.\r
-\r
- Reads the 8-bit PCI configuration register specified by Address, performs a\r
- bitwise AND between the read result and the value specified by AndData, and\r
- writes the result to the 8-bit PCI configuration register specified by\r
- Address. The value written to the PCI configuration register is returned.\r
- This function must guarantee that all PCI read and write operations are\r
- serialized. Extra left bits in AndData are stripped.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If StartBit is greater than 7, then ASSERT().\r
- If EndBit is greater than 7, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
-\r
- @param Address PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..7.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..7.\r
- @param AndData The value to AND with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-PciExpressBitFieldAnd8 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT8 AndData\r
- );\r
-\r
-/**\r
- Reads a bit field in an 8-bit port, performs a bitwise AND followed by a\r
- bitwise inclusive OR, and writes the result back to the bit field in the\r
- 8-bit port.\r
-\r
- Reads the 8-bit PCI configuration register specified by Address, performs a\r
- bitwise AND followed by a bitwise inclusive OR between the read result and\r
- the value specified by AndData, and writes the result to the 8-bit PCI\r
- configuration register specified by Address. The value written to the PCI\r
- configuration register is returned. This function must guarantee that all PCI\r
- read and write operations are serialized. Extra left bits in both AndData and\r
- OrData are stripped.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If StartBit is greater than 7, then ASSERT().\r
- If EndBit is greater than 7, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
-\r
- @param Address PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..7.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..7.\r
- @param AndData The value to AND with the PCI configuration register.\r
- @param OrData The value to OR with the result of the AND operation.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-PciExpressBitFieldAndThenOr8 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT8 AndData,\r
- IN UINT8 OrData\r
- );\r
-\r
-/**\r
- Reads a 16-bit PCI configuration register.\r
-\r
- Reads and returns the 16-bit PCI configuration register specified by Address.\r
- This function must guarantee that all PCI read and write operations are\r
- serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 16-bit boundary, then ASSERT().\r
-\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
- Register.\r
-\r
- @return The read value from the PCI configuration register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-PciExpressRead16 (\r
- IN UINTN Address\r
- );\r
-\r
-/**\r
- Writes a 16-bit PCI configuration register.\r
-\r
- Writes the 16-bit PCI configuration register specified by Address with the\r
- value specified by Value. Value is returned. This function must guarantee\r
- that all PCI read and write operations are serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 16-bit boundary, then ASSERT().\r
-\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param Value The value to write.\r
-\r
- @return The value written to the PCI configuration register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-PciExpressWrite16 (\r
- IN UINTN Address,\r
- IN UINT16 Data\r
- );\r
-\r
-/**\r
- Performs a bitwise inclusive OR of a 16-bit PCI configuration register with\r
- a 16-bit value.\r
-\r
- Reads the 16-bit PCI configuration register specified by Address, performs a\r
- bitwise inclusive OR between the read result and the value specified by\r
- OrData, and writes the result to the 16-bit PCI configuration register\r
- specified by Address. The value written to the PCI configuration register is\r
- returned. This function must guarantee that all PCI read and write operations\r
- are serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 16-bit boundary, then ASSERT().\r
-\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param OrData The value to OR with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-PciExpressOr16 (\r
- IN UINTN Address,\r
- IN UINT16 OrData\r
- );\r
-\r
-/**\r
- Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit\r
- value.\r
-\r
- Reads the 16-bit PCI configuration register specified by Address, performs a\r
- bitwise AND between the read result and the value specified by AndData, and\r
- writes the result to the 16-bit PCI configuration register specified by\r
- Address. The value written to the PCI configuration register is returned.\r
- This function must guarantee that all PCI read and write operations are\r
- serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 16-bit boundary, then ASSERT().\r
-\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param AndData The value to AND with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-PciExpressAnd16 (\r
- IN UINTN Address,\r
- IN UINT16 AndData\r
- );\r
-\r
-/**\r
- Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit\r
- value, followed a bitwise inclusive OR with another 16-bit value.\r
-\r
- Reads the 16-bit PCI configuration register specified by Address, performs a\r
- bitwise AND between the read result and the value specified by AndData,\r
- performs a bitwise inclusive OR between the result of the AND operation and\r
- the value specified by OrData, and writes the result to the 16-bit PCI\r
- configuration register specified by Address. The value written to the PCI\r
- configuration register is returned. This function must guarantee that all PCI\r
- read and write operations are serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 16-bit boundary, then ASSERT().\r
-\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param AndData The value to AND with the PCI configuration register.\r
- @param OrData The value to OR with the result of the AND operation.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-PciExpressAndThenOr16 (\r
- IN UINTN Address,\r
- IN UINT16 AndData,\r
- IN UINT16 OrData\r
- );\r
-\r
-/**\r
- Reads a bit field of a PCI configuration register.\r
-\r
- Reads the bit field in a 16-bit PCI configuration register. The bit field is\r
- specified by the StartBit and the EndBit. The value of the bit field is\r
- returned.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 16-bit boundary, then ASSERT().\r
- If StartBit is greater than 15, then ASSERT().\r
- If EndBit is greater than 15, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
-\r
- @param Address PCI configuration register to read.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..15.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..15.\r
-\r
- @return The value of the bit field read from the PCI configuration register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-PciExpressBitFieldRead16 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit\r
- );\r
-\r
-/**\r
- Writes a bit field to a PCI configuration register.\r
-\r
- Writes Value to the bit field of the PCI configuration register. The bit\r
- field is specified by the StartBit and the EndBit. All other bits in the\r
- destination PCI configuration register are preserved. The new value of the\r
- 16-bit register is returned.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 16-bit boundary, then ASSERT().\r
- If StartBit is greater than 15, then ASSERT().\r
- If EndBit is greater than 15, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
-\r
- @param Address PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..15.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..15.\r
- @param Value New value of the bit field.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-PciExpressBitFieldWrite16 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT16 Value\r
- );\r
-\r
-/**\r
- Reads a bit field in a 16-bit PCI configuration, performs a bitwise OR, and\r
- writes the result back to the bit field in the 16-bit port.\r
-\r
- Reads the 16-bit PCI configuration register specified by Address, performs a\r
- bitwise inclusive OR between the read result and the value specified by\r
- OrData, and writes the result to the 16-bit PCI configuration register\r
- specified by Address. The value written to the PCI configuration register is\r
- returned. This function must guarantee that all PCI read and write operations\r
- are serialized. Extra left bits in OrData are stripped.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 16-bit boundary, then ASSERT().\r
- If StartBit is greater than 15, then ASSERT().\r
- If EndBit is greater than 15, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
-\r
- @param Address PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..15.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..15.\r
- @param OrData The value to OR with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-PciExpressBitFieldOr16 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT16 OrData\r
- );\r
-\r
-/**\r
- Reads a bit field in a 16-bit PCI configuration register, performs a bitwise\r
- AND, and writes the result back to the bit field in the 16-bit register.\r
-\r
- Reads the 16-bit PCI configuration register specified by Address, performs a\r
- bitwise AND between the read result and the value specified by AndData, and\r
- writes the result to the 16-bit PCI configuration register specified by\r
- Address. The value written to the PCI configuration register is returned.\r
- This function must guarantee that all PCI read and write operations are\r
- serialized. Extra left bits in AndData are stripped.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 16-bit boundary, then ASSERT().\r
- If StartBit is greater than 15, then ASSERT().\r
- If EndBit is greater than 15, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
-\r
- @param Address PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..15.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..15.\r
- @param AndData The value to AND with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-PciExpressBitFieldAnd16 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT16 AndData\r
- );\r
-\r
-/**\r
- Reads a bit field in a 16-bit port, performs a bitwise AND followed by a\r
- bitwise inclusive OR, and writes the result back to the bit field in the\r
- 16-bit port.\r
-\r
- Reads the 16-bit PCI configuration register specified by Address, performs a\r
- bitwise AND followed by a bitwise inclusive OR between the read result and\r
- the value specified by AndData, and writes the result to the 16-bit PCI\r
- configuration register specified by Address. The value written to the PCI\r
- configuration register is returned. This function must guarantee that all PCI\r
- read and write operations are serialized. Extra left bits in both AndData and\r
- OrData are stripped.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 16-bit boundary, then ASSERT().\r
- If StartBit is greater than 15, then ASSERT().\r
- If EndBit is greater than 15, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
-\r
- @param Address PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..15.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..15.\r
- @param AndData The value to AND with the PCI configuration register.\r
- @param OrData The value to OR with the result of the AND operation.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-PciExpressBitFieldAndThenOr16 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT16 AndData,\r
- IN UINT16 OrData\r
- );\r
-\r
-/**\r
- Reads a 32-bit PCI configuration register.\r
-\r
- Reads and returns the 32-bit PCI configuration register specified by Address.\r
- This function must guarantee that all PCI read and write operations are\r
- serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 32-bit boundary, then ASSERT().\r
-\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
- Register.\r
-\r
- @return The read value from the PCI configuration register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-PciExpressRead32 (\r
- IN UINTN Address\r
- );\r
-\r
-/**\r
- Writes a 32-bit PCI configuration register.\r
-\r
- Writes the 32-bit PCI configuration register specified by Address with the\r
- value specified by Value. Value is returned. This function must guarantee\r
- that all PCI read and write operations are serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 32-bit boundary, then ASSERT().\r
-\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param Value The value to write.\r
-\r
- @return The value written to the PCI configuration register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-PciExpressWrite32 (\r
- IN UINTN Address,\r
- IN UINT32 Data\r
- );\r
-\r
-/**\r
- Performs a bitwise inclusive OR of a 32-bit PCI configuration register with\r
- a 32-bit value.\r
-\r
- Reads the 32-bit PCI configuration register specified by Address, performs a\r
- bitwise inclusive OR between the read result and the value specified by\r
- OrData, and writes the result to the 32-bit PCI configuration register\r
- specified by Address. The value written to the PCI configuration register is\r
- returned. This function must guarantee that all PCI read and write operations\r
- are serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 32-bit boundary, then ASSERT().\r
-\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param OrData The value to OR with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-PciExpressOr32 (\r
- IN UINTN Address,\r
- IN UINT32 OrData\r
- );\r
-\r
-/**\r
- Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit\r
- value.\r
-\r
- Reads the 32-bit PCI configuration register specified by Address, performs a\r
- bitwise AND between the read result and the value specified by AndData, and\r
- writes the result to the 32-bit PCI configuration register specified by\r
- Address. The value written to the PCI configuration register is returned.\r
- This function must guarantee that all PCI read and write operations are\r
- serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 32-bit boundary, then ASSERT().\r
-\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param AndData The value to AND with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-PciExpressAnd32 (\r
- IN UINTN Address,\r
- IN UINT32 AndData\r
- );\r
-\r
-/**\r
- Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit\r
- value, followed a bitwise inclusive OR with another 32-bit value.\r
-\r
- Reads the 32-bit PCI configuration register specified by Address, performs a\r
- bitwise AND between the read result and the value specified by AndData,\r
- performs a bitwise inclusive OR between the result of the AND operation and\r
- the value specified by OrData, and writes the result to the 32-bit PCI\r
- configuration register specified by Address. The value written to the PCI\r
- configuration register is returned. This function must guarantee that all PCI\r
- read and write operations are serialized.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 32-bit boundary, then ASSERT().\r
-\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
- Register.\r
- @param AndData The value to AND with the PCI configuration register.\r
- @param OrData The value to OR with the result of the AND operation.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-PciExpressAndThenOr32 (\r
- IN UINTN Address,\r
- IN UINT32 AndData,\r
- IN UINT32 OrData\r
- );\r
-\r
-/**\r
- Reads a bit field of a PCI configuration register.\r
-\r
- Reads the bit field in a 32-bit PCI configuration register. The bit field is\r
- specified by the StartBit and the EndBit. The value of the bit field is\r
- returned.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 32-bit boundary, then ASSERT().\r
- If StartBit is greater than 31, then ASSERT().\r
- If EndBit is greater than 31, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
-\r
- @param Address PCI configuration register to read.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..31.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..31.\r
-\r
- @return The value of the bit field read from the PCI configuration register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-PciExpressBitFieldRead32 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit\r
- );\r
-\r
-/**\r
- Writes a bit field to a PCI configuration register.\r
-\r
- Writes Value to the bit field of the PCI configuration register. The bit\r
- field is specified by the StartBit and the EndBit. All other bits in the\r
- destination PCI configuration register are preserved. The new value of the\r
- 32-bit register is returned.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 32-bit boundary, then ASSERT().\r
- If StartBit is greater than 31, then ASSERT().\r
- If EndBit is greater than 31, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
-\r
- @param Address PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..31.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..31.\r
- @param Value New value of the bit field.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-PciExpressBitFieldWrite32 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT32 Value\r
- );\r
-\r
-/**\r
- Reads a bit field in a 32-bit PCI configuration, performs a bitwise OR, and\r
- writes the result back to the bit field in the 32-bit port.\r
-\r
- Reads the 32-bit PCI configuration register specified by Address, performs a\r
- bitwise inclusive OR between the read result and the value specified by\r
- OrData, and writes the result to the 32-bit PCI configuration register\r
- specified by Address. The value written to the PCI configuration register is\r
- returned. This function must guarantee that all PCI read and write operations\r
- are serialized. Extra left bits in OrData are stripped.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 32-bit boundary, then ASSERT().\r
- If StartBit is greater than 31, then ASSERT().\r
- If EndBit is greater than 31, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
-\r
- @param Address PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..31.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..31.\r
- @param OrData The value to OR with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-PciExpressBitFieldOr32 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT32 OrData\r
- );\r
-\r
-/**\r
- Reads a bit field in a 32-bit PCI configuration register, performs a bitwise\r
- AND, and writes the result back to the bit field in the 32-bit register.\r
-\r
- Reads the 32-bit PCI configuration register specified by Address, performs a\r
- bitwise AND between the read result and the value specified by AndData, and\r
- writes the result to the 32-bit PCI configuration register specified by\r
- Address. The value written to the PCI configuration register is returned.\r
- This function must guarantee that all PCI read and write operations are\r
- serialized. Extra left bits in AndData are stripped.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 32-bit boundary, then ASSERT().\r
- If StartBit is greater than 31, then ASSERT().\r
- If EndBit is greater than 31, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
-\r
- @param Address PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..31.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..31.\r
- @param AndData The value to AND with the PCI configuration register.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-PciExpressBitFieldAnd32 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT32 AndData\r
- );\r
-\r
-/**\r
- Reads a bit field in a 32-bit port, performs a bitwise AND followed by a\r
- bitwise inclusive OR, and writes the result back to the bit field in the\r
- 32-bit port.\r
-\r
- Reads the 32-bit PCI configuration register specified by Address, performs a\r
- bitwise AND followed by a bitwise inclusive OR between the read result and\r
- the value specified by AndData, and writes the result to the 32-bit PCI\r
- configuration register specified by Address. The value written to the PCI\r
- configuration register is returned. This function must guarantee that all PCI\r
- read and write operations are serialized. Extra left bits in both AndData and\r
- OrData are stripped.\r
-\r
- If Address > 0x0FFFFFFF, then ASSERT().\r
- If Address is not aligned on a 32-bit boundary, then ASSERT().\r
- If StartBit is greater than 31, then ASSERT().\r
- If EndBit is greater than 31, then ASSERT().\r
- If EndBit is less than StartBit, then ASSERT().\r
-\r
- @param Address PCI configuration register to write.\r
- @param StartBit The ordinal of the least significant bit in the bit field.\r
- Range 0..31.\r
- @param EndBit The ordinal of the most significant bit in the bit field.\r
- Range 0..31.\r
- @param AndData The value to AND with the PCI configuration register.\r
- @param OrData The value to OR with the result of the AND operation.\r
-\r
- @return The value written back to the PCI configuration register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-PciExpressBitFieldAndThenOr32 (\r
- IN UINTN Address,\r
- IN UINTN StartBit,\r
- IN UINTN EndBit,\r
- IN UINT32 AndData,\r
- IN UINT32 OrData\r
- );\r
-\r
-/**\r
- Reads a range of PCI configuration registers into a caller supplied buffer.\r
-\r
- Reads the range of PCI configuration registers specified by StartAddress and\r
- Size into the buffer specified by Buffer. This function only allows the PCI\r
- configuration registers from a single PCI function to be read. Size is\r
- returned. When possible 32-bit PCI configuration read cycles are used to read\r
- from StartAdress to StartAddress + Size. Due to alignment restrictions, 8-bit\r
- and 16-bit PCI configuration read cycles may be used at the beginning and the\r
- end of the range.\r
-\r
- If StartAddress > 0x0FFFFFFF, then ASSERT().\r
- If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().\r
- If Size > 0 and Buffer is NULL, then ASSERT().\r
-\r
- @param StartAddress Starting address that encodes the PCI Bus, Device,\r
- Function and Register.\r
- @param Size Size in bytes of the transfer.\r
- @param Buffer Pointer to a buffer receiving the data read.\r
-\r
- @return Size\r
-\r
-**/\r
-UINTN\r
-EFIAPI\r
-PciExpressReadBuffer (\r
- IN UINTN StartAddress,\r
- IN UINTN Size,\r
- OUT VOID *Buffer\r
- );\r
-\r
-/**\r
- Copies the data in a caller supplied buffer to a specified range of PCI\r
- configuration space.\r
-\r
- Writes the range of PCI configuration registers specified by StartAddress and\r
- Size from the buffer specified by Buffer. This function only allows the PCI\r
- configuration registers from a single PCI function to be written. Size is\r
- returned. When possible 32-bit PCI configuration write cycles are used to\r
- write from StartAdress to StartAddress + Size. Due to alignment restrictions,\r
- 8-bit and 16-bit PCI configuration write cycles may be used at the beginning\r
- and the end of the range.\r
-\r
- If StartAddress > 0x0FFFFFFF, then ASSERT().\r
- If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().\r
- If Size > 0 and Buffer is NULL, then ASSERT().\r
-\r
- @param StartAddress Starting address that encodes the PCI Bus, Device,\r
- Function and Register.\r
- @param Size Size in bytes of the transfer.\r
- @param Buffer Pointer to a buffer containing the data to write.\r
-\r
- @return Size\r
-\r
-**/\r
-UINTN\r
-EFIAPI\r
-PciExpressWriteBuffer (\r
- IN UINTN StartAddress,\r
- IN UINTN Size,\r
- IN VOID *Buffer\r
- );\r
-\r
-#endif\r