diff options
Diffstat (limited to 'MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c')
| -rw-r--r-- | MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c | 1043 |
1 files changed, 432 insertions, 611 deletions
diff --git a/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c b/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c index 07e2f870c0..9451932cfc 100644 --- a/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c +++ b/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c @@ -12,24 +12,10 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. **/
-#include <Uefi.h>
-
-
-#include <Protocol/ScsiIo.h>
-#include <Protocol/ComponentName.h>
-#include <Protocol/BlockIo.h>
-#include <Protocol/DriverBinding.h>
-#include <Protocol/ScsiPassThruExt.h>
-
-#include <Library/DebugLib.h>
-#include <Library/UefiDriverEntryPoint.h>
-#include <Library/UefiLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/ScsiLib.h>
-#include <Library/UefiBootServicesTableLib.h>
#include "ScsiDisk.h"
+
EFI_DRIVER_BINDING_PROTOCOL gScsiDiskDriverBinding = {
ScsiDiskDriverBindingSupported,
ScsiDiskDriverBindingStart,
@@ -40,10 +26,12 @@ EFI_DRIVER_BINDING_PROTOCOL gScsiDiskDriverBinding = { };
/**
- The user Entry Point for module ScsiDisk. The user code starts with this function.
+ The user Entry Point for module ScsiDisk.
+
+ The user code starts with this function.
- @param[in] ImageHandle The firmware allocated handle for the EFI image.
- @param[in] SystemTable A pointer to the EFI System Table.
+ @param ImageHandle The firmware allocated handle for the EFI image.
+ @param SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The entry point is executed successfully.
@retval other Some error occurs when executing this entry point.
@@ -75,33 +63,32 @@ InitializeScsiDisk( return Status;
}
+/**
+ Test to see if this driver supports ControllerHandle.
+
+ This service is called by the EFI boot service ConnectController(). In order
+ to make drivers as small as possible, there are a few calling restrictions for
+ this service. ConnectController() must follow these calling restrictions.
+ If any other agent wishes to call Supported() it must also follow these
+ calling restrictions.
+
+ @param This Protocol instance pointer.
+ @param ControllerHandle Handle of device to test
+ @param RemainingDevicePath Optional parameter use to pick a specific child
+ device to start.
+
+ @retval EFI_SUCCESS This driver supports this device
+ @retval EFI_ALREADY_STARTED This driver is already running on this device
+ @retval other This driver does not support this device
+
+**/
EFI_STATUS
EFIAPI
ScsiDiskDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
)
-/*++
-
-Routine Description:
-
- Test to see if this driver supports ControllerHandle. Any ControllerHandle
- that has ScsiIoProtocol installed will be supported.
-
-Arguments:
-
- This - Protocol instance pointer.
- Controller - Handle of device to test
- RemainingDevicePath - Not used
-
-Returns:
-
- EFI_SUCCESS - This driver supports this device.
- EFI_UNSUPPORTED - This driver does not support this device.
-
-
---*/
{
EFI_STATUS Status;
EFI_SCSI_IO_PROTOCOL *ScsiIo;
@@ -137,32 +124,33 @@ Returns: return Status;
}
+
+/**
+ Start this driver on ControllerHandle.
+
+ This service is called by the EFI boot service ConnectController(). In order
+ to make drivers as small as possible, there are a few calling restrictions for
+ this service. ConnectController() must follow these calling restrictions. If
+ any other agent wishes to call Start() it must also follow these calling
+ restrictions.
+
+ @param This Protocol instance pointer.
+ @param ControllerHandle Handle of device to bind driver to
+ @param RemainingDevicePath Optional parameter use to pick a specific child
+ device to start.
+
+ @retval EFI_SUCCESS This driver is added to ControllerHandle
+ @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
+ @retval other This driver does not support this device
+
+**/
EFI_STATUS
EFIAPI
ScsiDiskDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
)
-/*++
-
-Routine Description:
-
- Start SCSI Disk Driver, and attach BlockIoProtocol to it.
-
-Arguments:
-
- This - Protocol instance pointer.
- Controller - Handle of device to test
- RemainingDevicePath - Not used
-
-Returns:
-
- EFI_SUCCESS - This driver supports this device.
- EFI_UNSUPPORTED - This driver does not support this device.
-
-
---*/
{
EFI_STATUS Status;
EFI_SCSI_IO_PROTOCOL *ScsiIo;
@@ -309,35 +297,34 @@ Returns: }
+
+/**
+ Stop this driver on ControllerHandle.
+
+ This service is called by the EFI boot service DisconnectController().
+ In order to make drivers as small as possible, there are a few calling
+ restrictions for this service. DisconnectController() must follow these
+ calling restrictions. If any other agent wishes to call Stop() it must
+ also follow these calling restrictions.
+
+ @param This Protocol instance pointer.
+ @param ControllerHandle Handle of device to stop driver on
+ @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
+ children is zero stop the entire bus driver.
+ @param ChildHandleBuffer List of Child Handles to Stop.
+
+ @retval EFI_SUCCESS This driver is removed ControllerHandle
+ @retval other This driver was not removed from this device
+
+**/
EFI_STATUS
EFIAPI
ScsiDiskDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
- IN EFI_HANDLE *ChildHandleBuffer
+ IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
)
-/*++
-
-Routine Description:
-
- Stop this driver on ControllerHandle. Support stoping any child handles
- created by this driver.
-
-Arguments:
-
- This - Protocol instance pointer.
- Controller - Handle of device to stop driver on
- NumberOfChildren - Number of Children in the ChildHandleBuffer
- ChildHandleBuffer - List of handles for the children we need to stop.
-
-Returns:
-
- EFI_SUCCESS
- EFI_DEVICE_ERROR
- others
-
---*/
{
EFI_BLOCK_IO_PROTOCOL *BlkIo;
SCSI_DISK_DEV *ScsiDiskDevice;
@@ -379,29 +366,25 @@ Returns: return Status;
}
+/**
+ Reset SCSI Disk.
+
+ @param This The pointer of EFI_BLOCK_IO_PROTOCOL
+ @param ExtendedVerification The flag about if extend verificate
+
+ @retval EFI_SUCCESS The device was reset.
+ @retval EFI_DEVICE_ERROR The device is not functioning properly and could
+ not be reset.
+ @return EFI_STATUS is retured from EFI_SCSI_IO_PROTOCOL.ResetDevice().
+
+**/
EFI_STATUS
EFIAPI
ScsiDiskReset (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
)
-/*++
-
-Routine Description:
-
- Reset SCSI Disk
-
-Arguments:
-
- This - The pointer of EFI_BLOCK_IO_PROTOCOL
- ExtendedVerification - The flag about if extend verificate
-
-Returns:
-
- EFI_STATUS
-
---*/
{
EFI_TPL OldTpl;
SCSI_DISK_DEV *ScsiDiskDevice;
@@ -424,39 +407,32 @@ Done: return Status;
}
+/**
+ The function is to Read Block from SCSI Disk.
+
+ @param This The pointer of EFI_BLOCK_IO_PROTOCOL.
+ @param MediaId The Id of Media detected
+ @param Lba The logic block address
+ @param BufferSize The size of Buffer
+ @param Buffer The buffer to fill the read out data
+
+ @retval EFI_SUCCESS Successfully to read out block.
+ @retval EFI_DEVICE_ERROR Fail to detect media.
+ @retval EFI_NO_MEDIA Media is not present.
+ @retval EFI_MEDIA_CHANGED Media has changed.
+ @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
+ @retval EFI_INVALID_PARAMETER Invalid parameter passed in.
+
+**/
EFI_STATUS
EFIAPI
ScsiDiskReadBlocks (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN UINT32 MediaId,
- IN EFI_LBA LBA,
+ IN EFI_LBA Lba,
IN UINTN BufferSize,
OUT VOID *Buffer
)
-/*++
-
-Routine Description:
-
- The function is to Read Block from SCSI Disk
-
-Arguments:
-
- This - The pointer of EFI_BLOCK_IO_PROTOCOL
- MediaId - The Id of Media detected
- LBA - The logic block address
- BufferSize - The size of Buffer
- Buffer - The buffer to fill the read out data
-
-Returns:
-
- EFI_INVALID_PARAMETER - Invalid parameter passed in.
- EFI_SUCCESS - Successfully to read out block.
- EFI_DEVICE_ERROR - Fail to detect media.
- EFI_NO_MEDIA - Media is not present.
- EFI_MEDIA_CHANGED - Media has changed.
- EFI_BAD_BUFFER_SIZE - The buffer size is not multiple of BlockSize.
-
---*/
{
SCSI_DISK_DEV *ScsiDiskDevice;
EFI_BLOCK_IO_MEDIA *Media;
@@ -467,7 +443,7 @@ Returns: EFI_TPL OldTpl;
MediaChange = FALSE;
- if (!Buffer) {
+ if (Buffer == NULL) {
return EFI_INVALID_PARAMETER;
}
@@ -479,7 +455,7 @@ Returns: ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (This);
- if (!IsDeviceFixed (ScsiDiskDevice)) {
+ if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {
Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);
if (EFI_ERROR (Status)) {
@@ -519,12 +495,12 @@ Returns: goto Done;
}
- if (LBA > Media->LastBlock) {
+ if (Lba > Media->LastBlock) {
Status = EFI_INVALID_PARAMETER;
goto Done;
}
- if ((LBA + NumberOfBlocks - 1) > Media->LastBlock) {
+ if ((Lba + NumberOfBlocks - 1) > Media->LastBlock) {
Status = EFI_INVALID_PARAMETER;
goto Done;
}
@@ -538,46 +514,40 @@ Returns: // If all the parameters are valid, then perform read sectors command
// to transfer data from device to host.
//
- Status = ScsiDiskReadSectors (ScsiDiskDevice, Buffer, LBA, NumberOfBlocks);
+ Status = ScsiDiskReadSectors (ScsiDiskDevice, Buffer, Lba, NumberOfBlocks);
Done:
gBS->RestoreTPL (OldTpl);
return Status;
}
+/**
+ The function is to Write Block to SCSI Disk.
+
+ @param This The pointer of EFI_BLOCK_IO_PROTOCOL
+ @param MediaId The Id of Media detected
+ @param Lba The logic block address
+ @param BufferSize The size of Buffer
+ @param Buffer The buffer to fill the read out data
+
+ @retval EFI_SUCCESS Successfully to read out block.
+ @retval EFI_WRITE_PROTECTED The device can not be written to.
+ @retval EFI_DEVICE_ERROR Fail to detect media.
+ @retval EFI_NO_MEDIA Media is not present.
+ @retval EFI_MEDIA_CHNAGED Media has changed.
+ @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
+ @retval EFI_INVALID_PARAMETER Invalid parameter passed in.
+
+**/
EFI_STATUS
EFIAPI
ScsiDiskWriteBlocks (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN UINT32 MediaId,
- IN EFI_LBA LBA,
+ IN EFI_LBA Lba,
IN UINTN BufferSize,
IN VOID *Buffer
)
-/*++
-
-Routine Description:
-
- The function is to Write Block to SCSI Disk
-
-Arguments:
-
- This - The pointer of EFI_BLOCK_IO_PROTOCOL
- MediaId - The Id of Media detected
- LBA - The logic block address
- BufferSize - The size of Buffer
- Buffer - The buffer to fill the read out data
-
-Returns:
-
- EFI_INVALID_PARAMETER - Invalid parameter passed in.
- EFI_SUCCESS - Successfully to read out block.
- EFI_DEVICE_ERROR - Fail to detect media.
- EFI_NO_MEDIA - Media is not present.
- EFI_MEDIA_CHANGED - Media has changed.
- EFI_BAD_BUFFER_SIZE - The buffer size is not multiple of BlockSize.
-
---*/
{
SCSI_DISK_DEV *ScsiDiskDevice;
EFI_BLOCK_IO_MEDIA *Media;
@@ -588,7 +558,7 @@ Returns: EFI_TPL OldTpl;
MediaChange = FALSE;
- if (!Buffer) {
+ if (Buffer == NULL) {
return EFI_INVALID_PARAMETER;
}
@@ -600,7 +570,7 @@ Returns: ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (This);
- if (!IsDeviceFixed (ScsiDiskDevice)) {
+ if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {
Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);
if (EFI_ERROR (Status)) {
@@ -640,12 +610,12 @@ Returns: goto Done;
}
- if (LBA > Media->LastBlock) {
+ if (Lba > Media->LastBlock) {
Status = EFI_INVALID_PARAMETER;
goto Done;
}
- if ((LBA + NumberOfBlocks - 1) > Media->LastBlock) {
+ if ((Lba + NumberOfBlocks - 1) > Media->LastBlock) {
Status = EFI_INVALID_PARAMETER;
goto Done;
}
@@ -658,33 +628,28 @@ Returns: // if all the parameters are valid, then perform read sectors command
// to transfer data from device to host.
//
- Status = ScsiDiskWriteSectors (ScsiDiskDevice, Buffer, LBA, NumberOfBlocks);
+ Status = ScsiDiskWriteSectors (ScsiDiskDevice, Buffer, Lba, NumberOfBlocks);
Done:
gBS->RestoreTPL (OldTpl);
return Status;
}
+/**
+ Flush Block to Disk.
+
+ EFI_SUCCESS is returned directly.
+
+ @param This The pointer of EFI_BLOCK_IO_PROTOCOL
+
+ @retval EFI_SUCCESS All outstanding data was written to the device
+
+**/
EFI_STATUS
EFIAPI
ScsiDiskFlushBlocks (
IN EFI_BLOCK_IO_PROTOCOL *This
)
-/*++
-
-Routine Description:
-
- Flush Block to Disk
-
-Arguments:
-
- This - The pointer of EFI_BLOCK_IO_PROTOCOL
-
-Returns:
-
- EFI_SUCCESS
-
---*/
{
//
// return directly
@@ -692,30 +657,24 @@ Returns: return EFI_SUCCESS;
}
-EFI_STATUS
-ScsiDiskDetectMedia (
- SCSI_DISK_DEV *ScsiDiskDevice,
- BOOLEAN MustReadCapacity,
- BOOLEAN *MediaChange
- )
-/*++
-
-Routine Description:
+/**
Dectect Device and read out capacity ,if error occurs, parse the sense key.
-Arguments:
-
- ScsiDiskDevice - The pointer of SCSI_DISK_DEV
- MustReadCapacity - The flag about reading device capacity
- MediaChange - The pointer of flag indicates if media has changed
-
-Returns:
+ @param ScsiDiskDevice The pointer of SCSI_DISK_DEV
+ @param MustReadCapacity The flag about reading device capacity
+ @param MediaChange The pointer of flag indicates if media has changed
- EFI_DEVICE_ERROR - Indicates that error occurs
- EFI_SUCCESS - Successfully to detect media
+ @retval EFI_DEVICE_ERROR Indicates that error occurs
+ @retval EFI_SUCCESS Successfully to detect media
---*/
+**/
+EFI_STATUS
+ScsiDiskDetectMedia (
+ IN SCSI_DISK_DEV *ScsiDiskDevice,
+ IN BOOLEAN MustReadCapacity,
+ OUT BOOLEAN *MediaChange
+ )
{
EFI_STATUS Status;
EFI_STATUS ReadCapacityStatus;
@@ -885,28 +844,22 @@ Returns: return EFI_SUCCESS;
}
-EFI_STATUS
-ScsiDiskInquiryDevice (
- SCSI_DISK_DEV *ScsiDiskDevice,
- BOOLEAN *NeedRetry
- )
-/*++
-
-Routine Description:
- Send out Inquiry command to Device
-
-Arguments:
-
- ScsiDiskDevice - The pointer of SCSI_DISK_DEV
- NeedRetry - Indicates if needs try again when error happens
+/**
+ Send out Inquiry command to Device.
-Returns:
+ @param ScsiDiskDevice The pointer of SCSI_DISK_DEV
+ @param NeedRetry Indicates if needs try again when error happens
- EFI_DEVICE_ERROR - Indicates that error occurs
- EFI_SUCCESS - Successfully to detect media
+ @retval EFI_DEVICE_ERROR Indicates that error occurs
+ @retval EFI_SUCCESS Successfully to detect media
---*/
+**/
+EFI_STATUS
+ScsiDiskInquiryDevice (
+ IN OUT SCSI_DISK_DEV *ScsiDiskDevice,
+ OUT BOOLEAN *NeedRetry
+ )
{
UINT32 InquiryDataLength;
UINT8 SenseDataLength;
@@ -1010,34 +963,29 @@ Returns: return EFI_DEVICE_ERROR;
}
-EFI_STATUS
-ScsiDiskTestUnitReady (
- SCSI_DISK_DEV *ScsiDiskDevice,
- BOOLEAN *NeedRetry,
- EFI_SCSI_SENSE_DATA **SenseDataArray,
- UINTN *NumberOfSenseKeys
- )
- /*++
-
-Routine Description:
+/**
+ To test deivice.
When Test Unit Ready command succeeds, retrieve Sense Keys via Request Sense;
When Test Unit Ready command encounters any error caused by host adapter or
target, return error without retrieving Sense Keys.
-
-Arguments:
- ScsiDiskDevice - The pointer of SCSI_DISK_DEV
- NeedRetry - The pointer of flag indicates try again
- SenseDataArray - The pointer of an array of sense data
- NumberOfSenseKeys - The pointer of the number of sense data array
-
-Returns:
+ @param ScsiDiskDevice The pointer of SCSI_DISK_DEV
+ @param NeedRetry The pointer of flag indicates try again
+ @param SenseDataArray The pointer of an array of sense data
+ @param NumberOfSenseKeys The pointer of the number of sense data array
- EFI_DEVICE_ERROR - Indicates that error occurs
- EFI_SUCCESS - Successfully to test unit
+ @retval EFI_DEVICE_ERROR Indicates that error occurs
+ @retval EFI_SUCCESS Successfully to test unit
---*/
+**/
+EFI_STATUS
+ScsiDiskTestUnitReady (
+ IN SCSI_DISK_DEV *ScsiDiskDevice,
+ OUT BOOLEAN *NeedRetry,
+ OUT EFI_SCSI_SENSE_DATA **SenseDataArray,
+ OUT UINTN *NumberOfSenseKeys
+ )
{
EFI_STATUS Status;
UINT8 SenseDataLength;
@@ -1128,32 +1076,25 @@ Returns: return EFI_DEVICE_ERROR;
}
-EFI_STATUS
-DetectMediaParsingSenseKeys (
- SCSI_DISK_DEV *ScsiDiskDevice,
- EFI_SCSI_SENSE_DATA *SenseData,
- UINTN NumberOfSenseKeys,
- UINTN *Action
- )
-/*++
-
-Routine Description:
-
+/**
Parsing Sense Keys which got from request sense command.
-
-Arguments:
- ScsiDiskDevice - The pointer of SCSI_DISK_DEV
- SenseData - The pointer of EFI_SCSI_SENSE_DATA
- NumberOfSenseKeys - The number of sense key
- Action - The pointer of action which indicates what is need to do next
+ @param ScsiDiskDevice The pointer of SCSI_DISK_DEV
+ @param SenseData The pointer of EFI_SCSI_SENSE_DATA
+ @param NumberOfSenseKeys The number of sense key
+ @param Action The pointer of action which indicates what is need to do next
-Returns:
+ @retval EFI_DEVICE_ERROR Indicates that error occurs
+ @retval EFI_SUCCESS Successfully to complete the parsing
- EFI_DEVICE_ERROR - Indicates that error occurs
- EFI_SUCCESS - Successfully to complete the parsing
-
---*/
+**/
+EFI_STATUS
+DetectMediaParsingSenseKeys (
+ OUT SCSI_DISK_DEV *ScsiDiskDevice,
+ IN EFI_SCSI_SENSE_DATA *SenseData,
+ IN UINTN NumberOfSenseKeys,
+ OUT UINTN *Action
+ )
{
BOOLEAN RetryLater;
@@ -1209,32 +1150,26 @@ Returns: return EFI_SUCCESS;
}
-EFI_STATUS
-ScsiDiskReadCapacity (
- SCSI_DISK_DEV *ScsiDiskDevice,
- BOOLEAN *NeedRetry,
- EFI_SCSI_SENSE_DATA **SenseDataArray,
- UINTN *NumberOfSenseKeys
- )
-/*++
-
-Routine Description:
-
- Send read capacity command to device and get the device parameter
-
-Arguments:
- ScsiDiskDevice - The pointer of SCSI_DISK_DEV
- NeedRetry - The pointer of flag indicates if need a retry
- SenseDataArray - The pointer of an array of sense data
- NumberOfSenseKeys - The number of sense key
+/**
+ Send read capacity command to device and get the device parameter.
-Returns:
+ @param ScsiDiskDevice The pointer of SCSI_DISK_DEV
+ @param NeedRetry The pointer of flag indicates if need a retry
+ @param SenseDataArray The pointer of an array of sense data
+ @param NumberOfSenseKeys The number of sense key
- EFI_DEVICE_ERROR - Indicates that error occurs
- EFI_SUCCESS - Successfully to read capacity
+ @retval EFI_DEVICE_ERROR Indicates that error occurs
+ @retval EFI_SUCCESS Successfully to read capacity
---*/
+**/
+EFI_STATUS
+ScsiDiskReadCapacity (
+ IN OUT SCSI_DISK_DEV *ScsiDiskDevice,
+ OUT BOOLEAN *NeedRetry,
+ OUT EFI_SCSI_SENSE_DATA **SenseDataArray,
+ OUT UINTN *NumberOfSenseKeys
+ )
{
EFI_SCSI_DISK_CAPACITY_DATA CapacityData;
UINT32 DataLength;
@@ -1346,28 +1281,21 @@ Returns: return EFI_DEVICE_ERROR;
}
-EFI_STATUS
-CheckHostAdapterStatus (
- UINT8 HostAdapterStatus
- )
-/*++
-
-Routine Description:
-
- Check the HostAdapter status
-
-Arguments:
-
- HostAdapterStatus - Host Adapter status
+/**
+ Check the HostAdapter status and re-interpret it in EFI_STATUS.
-Returns:
+ @param HostAdapterStatus Host Adapter status
- EFI_SUCCESS
- EFI_TIMEOUT
- EFI_NOT_READY
- EFI_DEVICE_ERROR
+ @retval EFI_SUCCESS Host adapter is OK.
+ @retval EFI_TIMEOUT Timeout.
+ @retval EFI_NOT_READY Adapter NOT ready.
+ @retval EFI_DEVICE_ERROR Adapter device error.
---*/
+**/
+EFI_STATUS
+CheckHostAdapterStatus (
+ IN UINT8 HostAdapterStatus
+ )
{
switch (HostAdapterStatus) {
case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_OK:
@@ -1394,27 +1322,21 @@ Returns: }
}
-EFI_STATUS
-CheckTargetStatus (
- UINT8 TargetStatus
- )
-/*++
-
-Routine Description:
-
- Check the target status
-
-Arguments:
- TargetStatus - Target status
+/**
+ Check the target status and re-interpret it in EFI_STATUS.
-Returns:
+ @param TargetStatus Target status
- EFI_NOT_READY
- EFI_DEVICE_ERROR
- EFI_SUCCESS
+ @retval EFI_NOT_READY Device is NOT ready.
+ @retval EFI_DEVICE_ERROR
+ @retval EFI_SUCCESS
---*/
+**/
+EFI_STATUS
+CheckTargetStatus (
+ IN UINT8 TargetStatus
+ )
{
switch (TargetStatus) {
case EFI_EXT_SCSI_STATUS_TARGET_GOOD:
@@ -1437,39 +1359,32 @@ Returns: }
}
-EFI_STATUS
-ScsiDiskRequestSenseKeys (
- SCSI_DISK_DEV *ScsiDiskDevice,
- BOOLEAN *NeedRetry,
- EFI_SCSI_SENSE_DATA **SenseDataArray,
- UINTN *NumberOfSenseKeys,
- BOOLEAN AskResetIfError
- )
-/*++
-
-Routine Description:
+/**
Retrieve all sense keys from the device.
- When encountering error during the process,
- if retrieve sense keys before error encounterred,
- return the sense keys with return status set to EFI_SUCCESS,
- and NeedRetry set to FALSE; otherwize, return the proper return
- status.
-
-Arguments:
-
- ScsiDiskDevice - The pointer of SCSI_DISK_DEV
- NeedRetry - The pointer of flag indicates if need a retry
- SenseDataArray - The pointer of an array of sense data
- NumberOfSenseKeys - The number of sense key
- AskResetIfError - The flag indicates if need reset when error occurs
-
-Returns:
- EFI_DEVICE_ERROR - Indicates that error occurs
- EFI_SUCCESS - Successfully to request sense key
+ When encountering error during the process, if retrieve sense keys before
+ error encounterred, it returns the sense keys with return status set to EFI_SUCCESS,
+ and NeedRetry set to FALSE; otherwize, return the proper return status.
+
+ @param ScsiDiskDevice The pointer of SCSI_DISK_DEV
+ @param NeedRetry The pointer of flag indicates if need a retry
+ @param SenseDataArray The pointer of an array of sense data
+ @param NumberOfSenseKeys The number of sense key
+ @param AskResetIfError The flag indicates if need reset when error occurs
+
+ @retval EFI_DEVICE_ERROR Indicates that error occurs
+ @retval EFI_SUCCESS Successfully to request sense key
---*/
+**/
+EFI_STATUS
+ScsiDiskRequestSenseKeys (
+ IN OUT SCSI_DISK_DEV *ScsiDiskDevice,
+ OUT BOOLEAN *NeedRetry,
+ OUT EFI_SCSI_SENSE_DATA **SenseDataArray,
+ OUT UINTN *NumberOfSenseKeys,
+ IN BOOLEAN AskResetIfError
+ )
{
EFI_SCSI_SENSE_DATA *PtrSenseData;
UINT8 SenseDataLength;
@@ -1543,27 +1458,19 @@ Returns: return EFI_SUCCESS;
}
-VOID
-GetMediaInfo (
- SCSI_DISK_DEV *ScsiDiskDevice,
- EFI_SCSI_DISK_CAPACITY_DATA *Capacity
- )
-/*++
-
-Routine Description:
-
- Get information from media read capacity command
-
-Arguments:
-
- ScsiDiskDevice - The pointer of SCSI_DISK_DEV
- Capacity - The pointer of EFI_SCSI_DISK_CAPACITY_DATA
-Returns:
+/**
+ Get information from media read capacity command.
- NONE
+ @param ScsiDiskDevice The pointer of SCSI_DISK_DEV
+ @param Capacity The pointer of EFI_SCSI_DISK_CAPACITY_DATA
---*/
+**/
+VOID
+GetMediaInfo (
+ IN OUT SCSI_DISK_DEV *ScsiDiskDevice,
+ IN EFI_SCSI_DISK_CAPACITY_DATA *Capacity
+ )
{
ScsiDiskDevice->BlkIo.Media->LastBlock = (Capacity->LastLba3 << 24) |
(Capacity->LastLba2 << 16) |
@@ -1584,57 +1491,40 @@ Returns: }
}
+/**
+ Parse Inquiry data.
+
+ @param ScsiDiskDevice The pointer of SCSI_DISK_DEV
+
+**/
VOID
ParseInquiryData (
- SCSI_DISK_DEV *ScsiDiskDevice
+ IN OUT SCSI_DISK_DEV *ScsiDiskDevice
)
-/*++
-
-Routine Description:
-
- Parse Inquiry data
-
-Arguments:
-
- ScsiDiskDevice - The pointer of SCSI_DISK_DEV
-
-Returns:
-
- NONE
-
---*/
{
ScsiDiskDevice->FixedDevice = (BOOLEAN) (ScsiDiskDevice->InquiryData.RMB ? 0 : 1);
ScsiDiskDevice->BlkIoMedia.RemovableMedia = (BOOLEAN) (!ScsiDiskDevice->FixedDevice);
}
-EFI_STATUS
-EFIAPI
-ScsiDiskReadSectors (
- SCSI_DISK_DEV *ScsiDiskDevice,
- VOID *Buffer,
- EFI_LBA Lba,
- UINTN NumberOfBlocks
- )
-/*++
-
-Routine Description:
-
- Read sector from SCSI Disk
-
-Arguments:
-
- ScsiDiskDevice - The poiniter of SCSI_DISK_DEV
- Buffer - The buffer to fill in the read out data
- Lba - Logic block address
- NumberOfBlocks - The number of blocks to read
+/**
+ Read sector from SCSI Disk.
-Returns:
+ @param ScsiDiskDevice The poiniter of SCSI_DISK_DEV
+ @param Buffer The buffer to fill in the read out data
+ @param Lba Logic block address
+ @param NumberOfBlocks The number of blocks to read
- EFI_DEVICE_ERROR
- EFI_SUCCESS
+ @retval EFI_DEVICE_ERROR Indicates a device error.
+ @retval EFI_SUCCESS Operation is successful.
---*/
+**/
+EFI_STATUS
+ScsiDiskReadSectors (
+ IN SCSI_DISK_DEV *ScsiDiskDevice,
+ OUT VOID *Buffer,
+ IN EFI_LBA Lba,
+ IN UINTN NumberOfBlocks
+ )
{
UINTN BlocksRemaining;
UINT32 Lba32;
@@ -1720,32 +1610,25 @@ Returns: return EFI_SUCCESS;
}
-EFI_STATUS
-ScsiDiskWriteSectors (
- SCSI_DISK_DEV *ScsiDiskDevice,
- VOID *Buffer,
- EFI_LBA Lba,
- UINTN NumberOfBlocks
- )
-/*++
-
-Routine Description:
-
- Write SCSI Disk sectors
-
-Arguments:
-
- ScsiDiskDevice - The pointer of SCSI_DISK_DEV
- Buffer - The data buffer to write sector
- Lba - Logic block address
- NumberOfBlocks - The number of blocks to write
+/**
+ Write sector to SCSI Disk.
-Returns:
+ @param ScsiDiskDevice The poiniter of SCSI_DISK_DEV
+ @param Buffer The buffer of data to be written into SCSI Disk
+ @param Lba Logic block address
+ @param NumberOfBlocks The number of blocks to read
- EFI_DEVICE_ERROR
- EFI_SUCCESS
+ @retval EFI_DEVICE_ERROR Indicates a device error.
+ @retval EFI_SUCCESS Operation is successful.
---*/
+**/
+EFI_STATUS
+ScsiDiskWriteSectors (
+ IN SCSI_DISK_DEV *ScsiDiskDevice,
+ IN VOID *Buffer,
+ IN EFI_LBA Lba,
+ IN UINTN NumberOfBlocks
+ )
{
UINTN BlocksRemaining;
UINT32 Lba32;
@@ -1827,41 +1710,34 @@ Returns: return EFI_SUCCESS;
}
+
+/**
+ Sumbmit Read command.
+
+ @param ScsiDiskDevice The pointer of ScsiDiskDevice
+ @param NeedRetry The pointer of flag indicates if needs retry if error happens
+ @param SenseDataArray NOT used yet in this function
+ @param NumberOfSenseKeys The number of sense key
+ @param Timeout The time to complete the command
+ @param DataBuffer The buffer to fill with the read out data
+ @param DataLength The length of buffer
+ @param StartLba The start logic block address
+ @param SectorSize The size of sector
+
+ @return EFI_STATUS is returned by calling ScsiRead10Command().
+**/
EFI_STATUS
ScsiDiskRead10 (
- SCSI_DISK_DEV *ScsiDiskDevice,
- BOOLEAN *NeedRetry,
- EFI_SCSI_SENSE_DATA **SenseDataArray,
- UINTN *NumberOfSenseKeys,
- UINT64 Timeout,
- UINT8 *DataBuffer,
- UINT32 *DataLength,
- UINT32 StartLba,
- UINT32 SectorSize
+ IN SCSI_DISK_DEV *ScsiDiskDevice,
+ OUT BOOLEAN *NeedRetry,
+ OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OPTIONAL
+ OUT UINTN *NumberOfSenseKeys,
+ IN UINT64 Timeout,
+ OUT UINT8 *DataBuffer,
+ IN OUT UINT32 *DataLength,
+ IN UINT32 StartLba,
+ IN UINT32 SectorSize
)
-/*++
-
-Routine Description:
-
- Sumbmit Read command
-
-Arguments:
-
- ScsiDiskDevice - The pointer of ScsiDiskDevice
- NeedRetry - The pointer of flag indicates if needs retry if error happens
- SenseDataArray - The pointer of an array of sense data
- NumberOfSenseKeys - The number of sense key
- Timeout - The time to complete the command
- DataBuffer - The buffer to fill with the read out data
- DataLength - The length of buffer
- StartLba - The start logic block address
- SectorSize - The size of sector
-
-Returns:
-
- EFI_STATUS
-
---*/
{
UINT8 SenseDataLength;
EFI_STATUS Status;
@@ -1886,41 +1762,35 @@ Returns: return Status;
}
-EFI_STATUS
-ScsiDiskWrite10 (
- SCSI_DISK_DEV *ScsiDiskDevice,
- BOOLEAN *NeedRetry,
- EFI_SCSI_SENSE_DATA **SenseDataArray,
- UINTN *NumberOfSenseKeys,
- UINT64 Timeout,
- UINT8 *DataBuffer,
- UINT32 *DataLength,
- UINT32 StartLba,
- UINT32 SectorSize
- )
-/*++
-
-Routine Description:
- Submit Write Command
-
-Arguments:
-
- ScsiDiskDevice - The pointer of ScsiDiskDevice
- NeedRetry - The pointer of flag indicates if needs retry if error happens
- SenseDataArray - The pointer of an array of sense data
- NumberOfSenseKeys - The number of sense key
- Timeout - The time to complete the command
- DataBuffer - The buffer to fill with the read out data
- DataLength - The length of buffer
- StartLba - The start logic block address
- SectorSize - The size of sector
+/**
+ Submit Write Command.
-Returns:
+ @param ScsiDiskDevice The pointer of ScsiDiskDevice
+ @param NeedRetry The pointer of flag indicates if needs retry if error happens
+ @param SenseDataArray NOT used yet in this function
+ @param NumberOfSenseKeys The number of sense key
+ @param Timeout The time to complete the command
+ @param DataBuffer The buffer to fill with the read out data
+ @param DataLength The length of buffer
+ @param StartLba The start logic block address
+ @param SectorSize The size of sector
- EFI_STATUS
+ @return EFI_STATUS is returned by calling ScsiWrite10Command().
---*/
+**/
+EFI_STATUS
+ScsiDiskWrite10 (
+ IN SCSI_DISK_DEV *ScsiDiskDevice,
+ OUT BOOLEAN *NeedRetry,
+ OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OPTIONAL
+ OUT UINTN *NumberOfSenseKeys,
+ IN UINT64 Timeout,
+ IN UINT8 *DataBuffer,
+ IN OUT UINT32 *DataLength,
+ IN UINT32 StartLba,
+ IN UINT32 SectorSize
+ )
{
EFI_STATUS Status;
UINT8 SenseDataLength;
@@ -1945,27 +1815,21 @@ Returns: return Status;
}
+
+/**
+ Check sense key to find if media presents.
+
+ @param SenseData The pointer of EFI_SCSI_SENSE_DATA
+ @param SenseCounts The number of sense key
+
+ @retval TRUE NOT any media
+ @retval FALSE Media presents
+**/
BOOLEAN
ScsiDiskIsNoMedia (
IN EFI_SCSI_SENSE_DATA *SenseData,
IN UINTN SenseCounts
)
-/*++
-
-Routine Description:
-
- Check sense key to find if media presents
-
-Arguments:
-
- SenseData - The pointer of EFI_SCSI_SENSE_DATA
- SenseCounts - The number of sense key
-
-Returns:
-
- BOOLEAN
-
---*/
{
EFI_SCSI_SENSE_DATA *SensePtr;
UINTN Index;
@@ -1989,27 +1853,22 @@ Returns: return IsNoMedia;
}
+
+/**
+ Parse sense key.
+
+ @param SenseData The pointer of EFI_SCSI_SENSE_DATA
+ @param SenseCounts The number of sense key
+
+ @retval TRUE Error
+ @retval FALSE NOT error
+
+**/
BOOLEAN
ScsiDiskIsMediaError (
IN EFI_SCSI_SENSE_DATA *SenseData,
IN UINTN SenseCounts
)
-/*++
-
-Routine Description:
-
- Parse sense key
-
-Arguments:
-
- SenseData - The pointer of EFI_SCSI_SENSE_DATA
- SenseCounts - The number of sense key
-
-Returns:
-
- BOOLEAN
-
---*/
{
EFI_SCSI_SENSE_DATA *SensePtr;
UINTN Index;
@@ -2079,27 +1938,22 @@ Returns: return IsError;
}
+
+/**
+ Check sense key to find if hardware error happens.
+
+ @param SenseData The pointer of EFI_SCSI_SENSE_DATA
+ @param SenseCounts The number of sense key
+
+ @retval TRUE Hardware error exits.
+ @retval FALSE NO error.
+
+**/
BOOLEAN
ScsiDiskIsHardwareError (
IN EFI_SCSI_SENSE_DATA *SenseData,
IN UINTN SenseCounts
)
-/*++
-
-Routine Description:
-
- Check sense key to find if hardware error happens
-
-Arguments:
-
- SenseData - The pointer of EFI_SCSI_SENSE_DATA
- SenseCounts - The number of sense key
-
-Returns:
-
- BOOLEAN
-
---*/
{
EFI_SCSI_SENSE_DATA *SensePtr;
UINTN Index;
@@ -2123,27 +1977,21 @@ Returns: return IsError;
}
+
+/**
+ Check sense key to find if media has changed.
+
+ @param SenseData The pointer of EFI_SCSI_SENSE_DATA
+ @param SenseCounts The number of sense key
+
+ @retval TRUE Media is changed.
+ @retval FALSE Medit is NOT changed.
+**/
BOOLEAN
ScsiDiskIsMediaChange (
IN EFI_SCSI_SENSE_DATA *SenseData,
IN UINTN SenseCounts
)
-/*++
-
-Routine Description:
-
- Check sense key to find if media has changed
-
-Arguments:
-
- SenseData - The pointer of EFI_SCSI_SENSE_DATA
- SenseCounts - The number of sense key
-
-Returns:
-
- BOOLEAN
-
---*/
{
EFI_SCSI_SENSE_DATA *SensePtr;
UINTN Index;
@@ -2168,27 +2016,21 @@ Returns: return IsMediaChanged;
}
+/**
+ Check sense key to find if reset happens.
+
+ @param SenseData The pointer of EFI_SCSI_SENSE_DATA
+ @param SenseCounts The number of sense key
+
+ @retval TRUE It is reset before.
+ @retval FALSE It is NOT reset before.
+
+**/
BOOLEAN
ScsiDiskIsResetBefore (
IN EFI_SCSI_SENSE_DATA *SenseData,
IN UINTN SenseCounts
)
-/*++
-
-Routine Description:
-
- Check sense key to find if reset happens
-
-Arguments:
-
- SenseData - The pointer of EFI_SCSI_SENSE_DATA
- SenseCounts - The number of sense key
-
-Returns:
-
- BOOLEAN
-
---*/
{
EFI_SCSI_SENSE_DATA *SensePtr;
UINTN Index;
@@ -2214,29 +2056,23 @@ Returns: return IsResetBefore;
}
+/**
+ Check sense key to find if the drive is ready.
+
+ @param SenseData The pointer of EFI_SCSI_SENSE_DATA
+ @param SenseCounts The number of sense key
+ @param RetryLater The flag means if need a retry
+
+ @retval TRUE Drive is ready.
+ @retval FALSE Drive is NOT ready.
+
+**/
BOOLEAN
ScsiDiskIsDriveReady (
IN EFI_SCSI_SENSE_DATA *SenseData,
IN UINTN SenseCounts,
OUT BOOLEAN *RetryLater
)
-/*++
-
-Routine Description:
-
- Check sense key to find if the drive is ready
-
-Arguments:
-
- SenseData - The pointer of EFI_SCSI_SENSE_DATA
- SenseCounts - The number of sense key
- RetryLater - The flag means if need a retry
-
-Returns:
-
- BOOLEAN
-
---*/
{
EFI_SCSI_SENSE_DATA *SensePtr;
UINTN Index;
@@ -2291,27 +2127,21 @@ Returns: return IsReady;
}
+/**
+ Check sense key to find if it has sense key.
+
+ @param SenseData - The pointer of EFI_SCSI_SENSE_DATA
+ @param SenseCounts - The number of sense key
+
+ @retval TRUE It has sense key.
+ @retval FALSE It has NOT any sense key.
+
+**/
BOOLEAN
ScsiDiskHaveSenseKey (
IN EFI_SCSI_SENSE_DATA *SenseData,
IN UINTN SenseCounts
)
-/*++
-
-Routine Description:
-
- Check sense key to find if it has sense key
-
-Arguments:
-
- SenseData - The pointer of EFI_SCSI_SENSE_DATA
- SenseCounts - The number of sense key
-
-Returns:
-
- BOOLEAN
-
---*/
{
EFI_SCSI_SENSE_DATA *SensePtr;
UINTN Index;
@@ -2341,25 +2171,16 @@ Returns: return HaveSenseKey;
}
+/**
+ Release resource about disk device.
+
+ @param ScsiDiskDevice The pointer of SCSI_DISK_DEV
+
+**/
VOID
ReleaseScsiDiskDeviceResources (
IN SCSI_DISK_DEV *ScsiDiskDevice
)
-/*++
-
-Routine Description:
-
- Release resource about disk device
-
-Arguments:
-
- ScsiDiskDevice - The pointer of SCSI_DISK_DEV
-
-Returns:
-
- NONE
-
---*/
{
if (ScsiDiskDevice == NULL) {
return ;
|