/** @file\r
- PCI Library using PC Express access.\r
+ PCI Library functions that use the 256 MB PCI Express MMIO window to perform PCI\r
+ Configuration cycles. Layers on PCI Express Library.\r
\r
- Copyright (c) 2006 - 2008, Intel Corporation<BR>\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
+ Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
\r
#include <Base.h>\r
\r
-\r
#include <Library/PciLib.h>\r
#include <Library/PciExpressLib.h>\r
\r
+/**\r
+ Registers a PCI device so PCI configuration registers may be accessed after\r
+ SetVirtualAddressMap().\r
+\r
+ Registers the PCI device specified by Address so all the PCI configuration registers\r
+ associated with that PCI device may be accessed after SetVirtualAddressMap() is called.\r
+\r
+ If Address > 0x0FFFFFFF, then ASSERT().\r
+\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
+ Register.\r
+\r
+ @retval RETURN_SUCCESS The PCI device was registered for runtime access.\r
+ @retval RETURN_UNSUPPORTED An attempt was made to call this function\r
+ after ExitBootServices().\r
+ @retval RETURN_UNSUPPORTED The resources required to access the PCI device\r
+ at runtime could not be mapped.\r
+ @retval RETURN_OUT_OF_RESOURCES There are not enough resources available to\r
+ complete the registration.\r
+\r
+**/\r
+RETURN_STATUS\r
+EFIAPI\r
+PciRegisterForRuntimeAccess (\r
+ IN UINTN Address\r
+ )\r
+{\r
+ return PciExpressRegisterForRuntimeAccess (Address);\r
+}\r
+\r
/**\r
Reads an 8-bit PCI configuration register.\r
\r
\r
If Address > 0x0FFFFFFF, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
\r
@return The read value from the PCI configuration register.\r
\r
If Address > 0x0FFFFFFF, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
@param Value The value to write.\r
\r
}\r
\r
/**\r
- Performs a bitwise inclusive OR of an 8-bit PCI configuration register with\r
+ Performs a bitwise 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
+ bitwise 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
\r
If Address > 0x0FFFFFFF, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The 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
\r
If Address > 0x0FFFFFFF, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The 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
\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
+ value, followed a bitwise 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
+ performs a bitwise 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
\r
If Address > 0x0FFFFFFF, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The 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
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 Address The 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
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
+ If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The 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
+ @param Value The new value of the bit field.\r
\r
@return The value written back to the PCI configuration register.\r
\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
+ bitwise 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
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
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The 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
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
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The 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
\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
+ bitwise 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
+ bitwise AND followed by a bitwise 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
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
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The 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
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
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
\r
@return The read value from the PCI configuration register.\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
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
@param Value The value to write.\r
\r
}\r
\r
/**\r
- Performs a bitwise inclusive OR of a 16-bit PCI configuration register with\r
+ Performs a bitwise 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
+ bitwise 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
+ @param Address The 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
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
+ @param Address The 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
\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
+ value, followed a bitwise 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
+ performs a bitwise 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
+ @param Address The 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
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 Address The 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
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
+ If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The 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
+ @param Value The new value of the bit field.\r
\r
@return The value written back to the PCI configuration register.\r
\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
+ bitwise 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
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The 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
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
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The 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
\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
+ bitwise 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
+ bitwise AND followed by a bitwise 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
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
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The 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
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
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
\r
@return The read value from the PCI configuration register.\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
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
@param Value The value to write.\r
\r
}\r
\r
/**\r
- Performs a bitwise inclusive OR of a 32-bit PCI configuration register with\r
+ Performs a bitwise 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
+ bitwise 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
+ @param Address The 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
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
+ @param Address The 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
\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
+ value, followed a bitwise 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
+ performs a bitwise 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
+ @param Address The 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
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 Address The 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
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
+ If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The 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
+ @param Value The new value of the bit field.\r
\r
@return The value written back to the PCI configuration register.\r
\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
+ bitwise 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
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The 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
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
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The 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
\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
+ bitwise 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
+ bitwise AND followed by a bitwise 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
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
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The 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
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
+ @param StartAddress The 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
+ @param Size The size in bytes of the transfer.\r
+ @param Buffer The pointer to a buffer receiving the data read.\r
\r
@return Size\r
\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
+ @param StartAddress The 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
+ @param Size The size in bytes of the transfer.\r
+ @param Buffer The pointer to a buffer containing the data to write.\r
\r
- @return Size\r
+ @return Size written to StartAddress.\r
\r
**/\r
UINTN\r
projects / mirror_edk2.git / blobdiff