diff options
Diffstat (limited to 'IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/Ide.c')
-rw-r--r-- | IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/Ide.c | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/Ide.c b/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/Ide.c index fa4d636acb..196f1bd01c 100644 --- a/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/Ide.c +++ b/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/Ide.c @@ -21,12 +21,12 @@ BOOLEAN MasterDeviceExist = FALSE; UINT8 MasterDeviceType = INVALID_DEVICE_TYPE;
/**
- read a one-byte data from a IDE port
+ read a one-byte data from a IDE port.
@param PciIo The PCI IO protocol instance
@param Port the IDE Port number
- return the one-byte data read from IDE port
+ @return the one-byte data read from IDE port
**/
UINT8
IDEReadPortB (
@@ -109,7 +109,7 @@ IDEReadPortWMultiple ( }
/**
- write a 1-byte data to a specific IDE port
+ write a 1-byte data to a specific IDE port.
@param PciIo PCI IO protocol instance
@param Port The IDE port to be writen
@@ -137,7 +137,7 @@ IDEWritePortB ( }
/**
- write a 1-word data to a specific IDE port
+ write a 1-word data to a specific IDE port.
@param PciIo PCI IO protocol instance
@param Port The IDE port to be writen
@@ -269,7 +269,11 @@ IDEWritePortWMultiple ( @param PciIo Pointer to the EFI_PCI_IO_PROTOCOL instance
@param IdeRegsBaseAddr Pointer to IDE_REGISTERS_BASE_ADDR to
- receive IDE IO port registers' base addresses
+ receive IDE IO port registers' base addresses
+
+ @retval EFI_UNSUPPORTED return this value when the BARs is not IO type
+ @retval EFI_SUCCESS Get the Base address successfully
+ @retval other read the pci configureation data error
**/
EFI_STATUS
@@ -347,6 +351,10 @@ GetIdeRegistersBaseAddr ( succeess.
@param IdeDev The BLK_IO private data which specifies the IDE device
+
+ @retval EFI_INVALID_PARAMETER return this value when the channel is invalid
+ @retval EFI_SUCCESS reassign the IDE IO resource successfully
+ @retval other get the IDE current base address effor
**/
EFI_STATUS
@@ -585,6 +593,9 @@ DetectIDEController ( Detect if there is disk attached to this port
@param IdeDev The BLK_IO private data which specifies the IDE device.
+
+ @retval EFI_NOT_FOUND The device or channel is not found
+ @retval EFI_SUCCESS The device is found
**/
EFI_STATUS
@@ -1007,7 +1018,7 @@ WaitForBSYClear ( @param IdeDev pointer pointing to IDE_BLK_IO_DEV data structure, used to record
all the information of the IDE device.
- @paramTimeoutInMilliSeconds used to designate the timeout for the DRQ ready.
+ @param TimeoutInMilliSeconds used to designate the timeout for the DRQ ready.
@retval EFI_SUCCESS BSY bit clear within the time out.
@retval EFI_TIMEOUT BSY bit not clear within the time out.
@@ -1212,7 +1223,7 @@ ReleaseIdeResources ( return ;
}
/**
- Set the calculated Best transfer mode to a detected device
+ Set the calculated Best transfer mode to a detected device.
@param IdeDev Standard IDE device private data structure
@param TransferMode The device transfer mode to be set
@@ -1250,7 +1261,7 @@ SetDeviceTransferMode ( return Status;
}
/**
- Set drive parameters for devices not support PACKETS command
+ Set drive parameters for devices not support PACKETS command.
@param IdeDev Standard IDE device private data structure
@param DriveParameters The device parameters to be set into the disk
@@ -1300,7 +1311,7 @@ SetDriveParameters ( }
/**
- Enable Interrupt on IDE controller
+ Enable Interrupt on IDE controller.
@param IdeDev Standard IDE device private data structure
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