diff options
Diffstat (limited to 'MdePkg/Library/UefiPciLibPciRootBridgeIo/PciLib.c')
-rw-r--r-- | MdePkg/Library/UefiPciLibPciRootBridgeIo/PciLib.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/MdePkg/Library/UefiPciLibPciRootBridgeIo/PciLib.c b/MdePkg/Library/UefiPciLibPciRootBridgeIo/PciLib.c index 5a43f66f86..ff95ec7862 100644 --- a/MdePkg/Library/UefiPciLibPciRootBridgeIo/PciLib.c +++ b/MdePkg/Library/UefiPciLibPciRootBridgeIo/PciLib.c @@ -143,9 +143,12 @@ DxePciLibPciRootBridgeIoWriteWorker ( }
/**
- Register a PCI device so PCI configuration registers may be accessed after
+ Registers a PCI device so PCI configuration registers may be accessed after
SetVirtualAddressMap().
+ Registers the PCI device specified by Address so all the PCI configuration registers
+ associated with that PCI device may be accessed after SetVirtualAddressMap() is called.
+
If Address > 0x0FFFFFFF, then ASSERT().
@param Address Address that encodes the PCI Bus, Device, Function and
@@ -181,7 +184,7 @@ PciRegisterForRuntimeAccess ( @param Address Address that encodes the PCI Bus, Device, Function and
Register.
- @return The value read from the PCI configuration register.
+ @return The read value from the PCI configuration register.
**/
UINT8
@@ -206,7 +209,7 @@ PciRead8 ( @param Address Address that encodes the PCI Bus, Device, Function and
Register.
- @param Data The value to write.
+ @param Value The value to write.
@return The value written to the PCI configuration register.
@@ -215,12 +218,12 @@ UINT8 EFIAPI
PciWrite8 (
IN UINTN Address,
- IN UINT8 Data
+ IN UINT8 Value
)
{
ASSERT_INVALID_PCI_ADDRESS (Address, 0);
- return (UINT8) DxePciLibPciRootBridgeIoWriteWorker (Address, EfiPciWidthUint8, Data);
+ return (UINT8) DxePciLibPciRootBridgeIoWriteWorker (Address, EfiPciWidthUint8, Value);
}
/**
@@ -526,7 +529,7 @@ PciBitFieldAndThenOr8 ( @param Address Address that encodes the PCI Bus, Device, Function and
Register.
- @return The value read from the PCI configuration register.
+ @return The read value from the PCI configuration register.
**/
UINT16
@@ -552,7 +555,7 @@ PciRead16 ( @param Address Address that encodes the PCI Bus, Device, Function and
Register.
- @param Data The value to write.
+ @param Value The value to write.
@return The value written to the PCI configuration register.
@@ -561,12 +564,12 @@ UINT16 EFIAPI
PciWrite16 (
IN UINTN Address,
- IN UINT16 Data
+ IN UINT16 Value
)
{
ASSERT_INVALID_PCI_ADDRESS (Address, 1);
- return (UINT16) DxePciLibPciRootBridgeIoWriteWorker (Address, EfiPciWidthUint16, Data);
+ return (UINT16) DxePciLibPciRootBridgeIoWriteWorker (Address, EfiPciWidthUint16, Value);
}
/**
@@ -880,7 +883,7 @@ PciBitFieldAndThenOr16 ( @param Address Address that encodes the PCI Bus, Device, Function and
Register.
- @return The value read from the PCI configuration register.
+ @return The read value from the PCI configuration register.
**/
UINT32
@@ -906,7 +909,7 @@ PciRead32 ( @param Address Address that encodes the PCI Bus, Device, Function and
Register.
- @param Data The value to write.
+ @param Value The value to write.
@return The value written to the PCI configuration register.
@@ -915,12 +918,12 @@ UINT32 EFIAPI
PciWrite32 (
IN UINTN Address,
- IN UINT32 Data
+ IN UINT32 Value
)
{
ASSERT_INVALID_PCI_ADDRESS (Address, 3);
- return DxePciLibPciRootBridgeIoWriteWorker (Address, EfiPciWidthUint32, Data);
+ return DxePciLibPciRootBridgeIoWriteWorker (Address, EfiPciWidthUint32, Value);
}
/**
@@ -1339,7 +1342,7 @@ PciReadBuffer ( @param Size Size in bytes of the transfer.
@param Buffer Pointer to a buffer containing the data to write.
- @return Size
+ @return Size written to StartAddress.
**/
UINTN
|