diff options
| author | jji4 <jji4@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-11-12 01:30:58 +0000 |
|---|---|---|
| committer | jji4 <jji4@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-11-12 01:30:58 +0000 |
| commit | 9beb888e7ce592fe424ba9fa871651d64d192001 (patch) | |
| tree | b6c12e853b968abbdf231af21f5cb34809e2cd95 /MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBus.c | |
| parent | c6bc765fcaf33a005e54c1e30f8ab538eaa3b099 (diff) | |
| download | edk2-platforms-9beb888e7ce592fe424ba9fa871651d64d192001.tar.xz | |
Code Scrub:
MdeModulePkg\Bus\ScsiBusDxe\
MdeModulePkg\Bus\ScsiDisk\
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6465 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBus.c')
| -rw-r--r-- | MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBus.c | 595 |
1 files changed, 260 insertions, 335 deletions
diff --git a/MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBus.c b/MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBus.c index 4efee5b05b..73038c453a 100644 --- a/MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBus.c +++ b/MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBus.c @@ -14,27 +14,9 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. **/
-#include <Uefi.h>
-
-
-#include <Protocol/ScsiPassThru.h>
-#include <Protocol/ScsiPassThruExt.h>
-#include <Protocol/ScsiIo.h>
-#include <Protocol/ComponentName.h>
-#include <Protocol/DriverBinding.h>
-#include <Protocol/DevicePath.h>
-
-#include <Library/DebugLib.h>
-#include <Library/UefiDriverEntryPoint.h>
-#include <Library/UefiLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/ScsiLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/DevicePathLib.h>
-
#include "ScsiBus.h"
+
EFI_DRIVER_BINDING_PROTOCOL gSCSIBusDriverBinding = {
SCSIBusDriverBindingSupported,
SCSIBusDriverBindingStart,
@@ -52,37 +34,59 @@ EFI_DRIVER_BINDING_PROTOCOL gSCSIBusDriverBinding = { //
EFI_GUID mScsiBusProtocolGuid = EFI_SCSI_BUS_PROTOCOL_GUID;
-VOID *WorkingBuffer;
+VOID *mWorkingBuffer;
+
+/**
+ Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet.
+ @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET
+ @param CommandPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET
+
+**/
EFI_STATUS
EFIAPI
ScsiioToPassThruPacket (
IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,
- IN OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket
+ OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket
);
+/**
+ Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to EFI_SCSI_IO_SCSI_REQUEST_PACKET packet.
+
+ @param ScsiPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET
+ @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET
+**/
EFI_STATUS
EFIAPI
PassThruToScsiioPacket (
IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,
- IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet
+ OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet
);
+
+/**
+ Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0
+ SCSI IO Packet.
+
+ @param Event The instance of EFI_EVENT.
+ @param Context The parameter passed in.
+
+**/
VOID
EFIAPI
NotifyFunction (
- EFI_EVENT Event,
- VOID *Context
+ IN EFI_EVENT Event,
+ IN VOID *Context
);
/**
The user Entry Point for module ScsiBus. 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.
+ @retval EFI_SUCCESS The entry point is executed successfully.
+ @retval other Some error occurs when executing this entry point.
**/
EFI_STATUS
@@ -110,6 +114,26 @@ InitializeScsiBus( 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
SCSIBusDriverBindingSupported (
@@ -117,26 +141,6 @@ SCSIBusDriverBindingSupported ( IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
-/*++
-
-Routine Description:
-
- Test to see if this driver supports ControllerHandle. Any ControllerHandle
- that has ExtScsiPassThruProtocol/ScsiPassThruProtocol 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_PASS_THRU_PROTOCOL *PassThru;
@@ -194,6 +198,26 @@ Returns: return EFI_SUCCESS;
}
+
+/**
+ 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
SCSIBusDriverBindingStart (
@@ -201,22 +225,6 @@ SCSIBusDriverBindingStart ( IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
-/*++
-
-Routine Description:
- Starting the SCSI Bus Driver
-
-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_DEVICE_ERROR - This driver cannot be started due to device Error
-
---*/
{
UINT64 Lun;
UINT8 *TargetId;
@@ -239,7 +247,7 @@ Returns: FromFirstTarget = FALSE;
ExtScsiSupport = FALSE;
PassThruStatus = EFI_SUCCESS;
-
+
ScsiTargetId = AllocateZeroPool(sizeof(SCSI_TARGET_ID));
if (ScsiTargetId == NULL) {
return EFI_OUT_OF_RESOURCES;
@@ -419,7 +427,7 @@ Returns: //
Status = ScsiScanCreateDevice (This, Controller, ScsiTargetId, Lun, ScsiBusDev);
}
- gBS->FreePool (ScsiTargetId);
+ FreePool (ScsiTargetId);
return EFI_SUCCESS;
ErrorExit:
@@ -454,6 +462,25 @@ ErrorExit: return Status;
}
+/**
+ 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
SCSIBusDriverBindingStop (
@@ -462,25 +489,6 @@ SCSIBusDriverBindingStop ( IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
)
-/*++
-
-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
- Others
---*/
{
EFI_STATUS Status;
BOOLEAN AllChildrenStopped;
@@ -627,30 +635,24 @@ Returns: return EFI_SUCCESS;
}
+
+/**
+ Retrieves the device type information of the SCSI Controller.
+
+ @param This Protocol instance pointer.
+ @param DeviceType A pointer to the device type information retrieved from
+ the SCSI Controller.
+
+ @retval EFI_SUCCESS Retrieves the device type information successfully.
+ @retval EFI_INVALID_PARAMETER The DeviceType is NULL.
+
+**/
EFI_STATUS
EFIAPI
ScsiGetDeviceType (
IN EFI_SCSI_IO_PROTOCOL *This,
OUT UINT8 *DeviceType
)
-/*++
-
-Routine Description:
-
- Retrieves the device type information of the SCSI Controller.
-
-Arguments:
-
- This - Protocol instance pointer.
- DeviceType - A pointer to the device type information
- retrieved from the SCSI Controller.
-
-Returns:
-
- EFI_SUCCESS - Retrieves the device type information successfully.
- EFI_INVALID_PARAMETER - The DeviceType is NULL.
-
---*/
{
SCSI_IO_DEV *ScsiIoDevice;
@@ -663,6 +665,20 @@ Returns: return EFI_SUCCESS;
}
+
+/**
+ Retrieves the device location in the SCSI channel.
+
+ @param This Protocol instance pointer.
+ @param Target A pointer to the Target ID of a SCSI device
+ on the SCSI channel.
+ @param Lun A pointer to the LUN of the SCSI device on
+ the SCSI channel.
+
+ @retval EFI_SUCCESS Retrieves the device location successfully.
+ @retval EFI_INVALID_PARAMETER The Target or Lun is NULL.
+
+**/
EFI_STATUS
EFIAPI
ScsiGetDeviceLocation (
@@ -670,26 +686,6 @@ ScsiGetDeviceLocation ( IN OUT UINT8 **Target,
OUT UINT64 *Lun
)
-/*++
-
-Routine Description:
-
- Retrieves the device location in the SCSI channel.
-
-Arguments:
-
- This - Protocol instance pointer.
- Target - A pointer to the Target Array which represents ID of a SCSI device
- on the SCSI channel.
- Lun - A pointer to the LUN of the SCSI device on
- the SCSI channel.
-
-Returns:
-
- EFI_SUCCESS - Retrieves the device location successfully.
- EFI_INVALID_PARAMETER - The Target or Lun is NULL.
-
---*/
{
SCSI_IO_DEV *ScsiIoDevice;
@@ -706,30 +702,23 @@ Returns: return EFI_SUCCESS;
}
+/**
+ Resets the SCSI Bus that the SCSI Controller is attached to.
+
+ @param This Protocol instance pointer.
+
+ @retval EFI_SUCCESS The SCSI bus is reset successfully.
+ @retval EFI_DEVICE_ERROR Errors encountered when resetting the SCSI bus.
+ @retval EFI_UNSUPPORTED The bus reset operation is not supported by the
+ SCSI Host Controller.
+ @retval EFI_TIMEOUT A timeout occurred while attempting to reset
+ the SCSI bus.
+**/
EFI_STATUS
EFIAPI
ScsiResetBus (
IN EFI_SCSI_IO_PROTOCOL *This
)
-/*++
-
-Routine Description:
-
- Resets the SCSI Bus that the SCSI Controller is attached to.
-
-Arguments:
-
- This - Protocol instance pointer.
-
-Returns:
-
- EFI_SUCCESS - The SCSI bus is reset successfully.
- EFI_DEVICE_ERROR - Errors encountered when resetting the SCSI bus.
- EFI_UNSUPPORTED - The bus reset operation is not supported by the
- SCSI Host Controller.
- EFI_TIMEOUT - A timeout occurred while attempting to reset
- the SCSI bus.
---*/
{
SCSI_IO_DEV *ScsiIoDevice;
@@ -742,31 +731,23 @@ Returns: }
}
+
+/**
+ Resets the SCSI Controller that the device handle specifies.
+
+ @param This Protocol instance pointer.
+
+ @retval EFI_SUCCESS Reset the SCSI controller successfully.
+ @retval EFI_DEVICE_ERROR Errors are encountered when resetting the SCSI Controller.
+ @retval EFI_UNSUPPORTED The SCSI bus does not support a device reset operation.
+ @retval EFI_TIMEOUT A timeout occurred while attempting to reset the
+ SCSI Controller.
+**/
EFI_STATUS
EFIAPI
ScsiResetDevice (
IN EFI_SCSI_IO_PROTOCOL *This
)
-/*++
-
-Routine Description:
-
- Resets the SCSI Controller that the device handle specifies.
-
-Arguments:
-
- This - Protocol instance pointer.
-
-Returns:
-
- EFI_SUCCESS - Reset the SCSI controller successfully.
- EFI_DEVICE_ERROR - Errors are encountered when resetting the
- SCSI Controller.
- EFI_UNSUPPORTED - The SCSI bus does not support a device
- reset operation.
- EFI_TIMEOUT - A timeout occurred while attempting to
- reset the SCSI Controller.
---*/
{
SCSI_IO_DEV *ScsiIoDevice;
UINT8 Target[TARGET_MAX_BYTES];
@@ -790,25 +771,14 @@ Returns: }
}
-EFI_STATUS
-EFIAPI
-ScsiExecuteSCSICommand (
- IN EFI_SCSI_IO_PROTOCOL *This,
- IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,
- IN EFI_EVENT Event OPTIONAL
- )
-/*++
-
-Routine Description:
+/**
Sends a SCSI Request Packet to the SCSI Controller for execution.
-
-Arguments:
- This - Protocol instance pointer.
- Packet - The SCSI request packet to send to the SCSI
+ @param This Protocol instance pointer.
+ @param CommandPacket The SCSI request packet to send to the SCSI
Controller specified by the device handle.
- Event - If the SCSI bus where the SCSI device is attached
+ @param Event If the SCSI bus where the SCSI device is attached
does not support non-blocking I/O, then Event is
ignored, and blocking I/O is performed.
If Event is NULL, then blocking I/O is performed.
@@ -816,40 +786,46 @@ Arguments: supported, then non-blocking I/O is performed,
and Event will be signaled when the SCSI Request
Packet completes.
-Returns:
-
- EFI_SUCCESS - The SCSI Request Packet was sent by the host
- successfully, and TransferLength bytes were
- transferred to/from DataBuffer.See
- HostAdapterStatus, TargetStatus,
- SenseDataLength, and SenseData in that order
- for additional status information.
- EFI_BAD_BUFFER_SIZE - The SCSI Request Packet was executed,
- but the entire DataBuffer could not be transferred.
- The actual number of bytes transferred is returned
- in TransferLength. See HostAdapterStatus,
- TargetStatus, SenseDataLength, and SenseData in
- that order for additional status information.
- EFI_NOT_READY - The SCSI Request Packet could not be sent because
- there are too many SCSI Command Packets already
- queued.The caller may retry again later.
- EFI_DEVICE_ERROR - A device error occurred while attempting to send
- the SCSI Request Packet. See HostAdapterStatus,
- TargetStatus, SenseDataLength, and SenseData in
- that order for additional status information.
- EFI_INVALID_PARAMETER - The contents of CommandPacket are invalid.
- The SCSI Request Packet was not sent, so no
- additional status information is available.
- EFI_UNSUPPORTED - The command described by the SCSI Request Packet
- is not supported by the SCSI initiator(i.e., SCSI
- Host Controller). The SCSI Request Packet was not
- sent, so no additional status information is
- available.
- EFI_TIMEOUT - A timeout occurred while waiting for the SCSI
- Request Packet to execute. See HostAdapterStatus,
- TargetStatus, SenseDataLength, and SenseData in
- that order for additional status information.
---*/
+
+ @retval EFI_SUCCESS The SCSI Request Packet was sent by the host
+ successfully, and TransferLength bytes were
+ transferred to/from DataBuffer.See
+ HostAdapterStatus, TargetStatus,
+ SenseDataLength, and SenseData in that order
+ for additional status information.
+ @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed,
+ but the entire DataBuffer could not be transferred.
+ The actual number of bytes transferred is returned
+ in TransferLength. See HostAdapterStatus,
+ TargetStatus, SenseDataLength, and SenseData in
+ that order for additional status information.
+ @retval EFI_NOT_READY The SCSI Request Packet could not be sent because
+ there are too many SCSI Command Packets already
+ queued.The caller may retry again later.
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to send
+ the SCSI Request Packet. See HostAdapterStatus,
+ TargetStatus, SenseDataLength, and SenseData in
+ that order for additional status information.
+ @retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid.
+ The SCSI Request Packet was not sent, so no
+ additional status information is available.
+ @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet
+ is not supported by the SCSI initiator(i.e., SCSI
+ Host Controller). The SCSI Request Packet was not
+ sent, so no additional status information is
+ available.
+ @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI
+ Request Packet to execute. See HostAdapterStatus,
+ TargetStatus, SenseDataLength, and SenseData in
+ that order for additional status information.
+**/
+EFI_STATUS
+EFIAPI
+ScsiExecuteSCSICommand (
+ IN EFI_SCSI_IO_PROTOCOL *This,
+ IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,
+ IN EFI_EVENT Event OPTIONAL
+ )
{
SCSI_IO_DEV *ScsiIoDevice;
EFI_STATUS Status;
@@ -881,7 +857,7 @@ Returns: Status = gBS->AllocatePool (
EfiBootServicesData,
sizeof(EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET),
- (VOID**)&WorkingBuffer
+ (VOID**)&mWorkingBuffer
);
if (EFI_ERROR (Status)) {
@@ -891,9 +867,9 @@ Returns: //
// Convert package into EFI1.0, EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET.
//
- Status = ScsiioToPassThruPacket(Packet, (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)WorkingBuffer);
+ Status = ScsiioToPassThruPacket(Packet, (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer);
if (EFI_ERROR(Status)) {
- gBS->FreePool(WorkingBuffer);
+ FreePool(mWorkingBuffer);
return Status;
}
@@ -911,7 +887,7 @@ Returns: &PacketEvent
);
if (EFI_ERROR(Status)) {
- gBS->FreePool(WorkingBuffer);
+ FreePool(mWorkingBuffer);
return Status;
}
@@ -919,12 +895,12 @@ Returns: ScsiIoDevice->ScsiPassThru,
ScsiIoDevice->Pun.ScsiId.Scsi,
ScsiIoDevice->Lun,
- WorkingBuffer,
+ mWorkingBuffer,
PacketEvent
);
if (EFI_ERROR(Status)) {
- gBS->FreePool(WorkingBuffer);
+ gBS->FreePool(mWorkingBuffer);
gBS->CloseEvent(PacketEvent);
return Status;
}
@@ -938,70 +914,59 @@ Returns: ScsiIoDevice->ScsiPassThru,
ScsiIoDevice->Pun.ScsiId.Scsi,
ScsiIoDevice->Lun,
- WorkingBuffer,
+ mWorkingBuffer,
Event
);
if (EFI_ERROR(Status)) {
- gBS->FreePool(WorkingBuffer);
+ FreePool(mWorkingBuffer);
return Status;
}
- PassThruToScsiioPacket((EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)WorkingBuffer,Packet);
+ PassThruToScsiioPacket((EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer,Packet);
//
// After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,
- // free WorkingBuffer.
+ // free mWorkingBuffer.
//
- gBS->FreePool(WorkingBuffer);
+ FreePool(mWorkingBuffer);
}
}
return Status;
}
-EFI_STATUS
-EFIAPI
-ScsiScanCreateDevice (
- EFI_DRIVER_BINDING_PROTOCOL *This,
- EFI_HANDLE Controller,
- SCSI_TARGET_ID *TargetId,
- UINT64 Lun,
- SCSI_BUS_DEVICE *ScsiBusDev
- )
-/*++
-
-Routine Description:
+/**
Scan SCSI Bus to discover the device, and attach ScsiIoProtocol to it.
-Arguments:
+ @param This Protocol instance pointer
+ @param Controller Controller handle
+ @param TargetId Tartget to be scanned
+ @param Lun The Lun of the SCSI device on the SCSI channel.
+ @param ScsiBusDev The pointer of SCSI_BUS_DEVICE
- This - Protocol instance pointer
- Controller - Controller handle
- Pun - The Pun of the SCSI device on the SCSI channel.
- Lun - The Lun of the SCSI device on the SCSI channel.
- ScsiBusDev - The pointer of SCSI_BUS_DEVICE
+ @retval EFI_SUCCESS Successfully to discover the device and attach
+ ScsiIoProtocol to it.
+ @retval EFI_OUT_OF_RESOURCES Fail to discover the device.
-Returns:
-
- EFI_SUCCESS - Successfully to discover the device and attach ScsiIoProtocol to it.
- EFI_OUT_OF_RESOURCES - Fail to discover the device.
-
---*/
+**/
+EFI_STATUS
+EFIAPI
+ScsiScanCreateDevice (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN SCSI_TARGET_ID *TargetId,
+ IN UINT64 Lun,
+ IN OUT SCSI_BUS_DEVICE *ScsiBusDev
+ )
{
EFI_STATUS Status;
SCSI_IO_DEV *ScsiIoDevice;
EFI_DEVICE_PATH_PROTOCOL *ScsiDevicePath;
- Status = gBS->AllocatePool (
- EfiBootServicesData,
- sizeof (SCSI_IO_DEV),
- (VOID **) &ScsiIoDevice
- );
- if (EFI_ERROR (Status)) {
- return Status;
+ ScsiIoDevice = AllocateZeroPool (sizeof (SCSI_IO_DEV));
+ if (ScsiIoDevice == NULL) {
+ return EFI_OUT_OF_RESOURCES;
}
- ZeroMem (ScsiIoDevice, sizeof (SCSI_IO_DEV));
-
ScsiIoDevice->Signature = SCSI_IO_DEV_SIGNATURE;
CopyMem(&ScsiIoDevice->Pun, TargetId, TARGET_MAX_BYTES);
ScsiIoDevice->Lun = Lun;
@@ -1025,7 +990,7 @@ Returns: if (!DiscoverScsiDevice (ScsiIoDevice)) {
- gBS->FreePool (ScsiIoDevice);
+ FreePool (ScsiIoDevice);
return EFI_OUT_OF_RESOURCES;
}
@@ -1040,7 +1005,7 @@ Returns: &ScsiDevicePath
);
if (Status == EFI_OUT_OF_RESOURCES) {
- gBS->FreePool (ScsiIoDevice);
+ FreePool (ScsiIoDevice);
return Status;
}
} else {
@@ -1051,7 +1016,7 @@ Returns: &ScsiDevicePath
);
if (Status == EFI_OUT_OF_RESOURCES) {
- gBS->FreePool (ScsiIoDevice);
+ FreePool (ScsiIoDevice);
return Status;
}
}
@@ -1107,27 +1072,20 @@ Returns: return EFI_SUCCESS;
}
-BOOLEAN
-EFIAPI
-DiscoverScsiDevice (
- SCSI_IO_DEV *ScsiIoDevice
- )
-/*++
-
-Routine Description:
+/**
Discovery SCSI Device
-Arguments:
-
- ScsiIoDevice - The pointer of SCSI_IO_DEV
-
-Returns:
+ @param ScsiIoDevice The pointer of SCSI_IO_DEV
- TRUE - Find SCSI Device and verify it.
- FALSE - Unable to find SCSI Device.
+ @retval TRUE Find SCSI Device and verify it.
+ @retval FALSE Unable to find SCSI Device.
---*/
+**/
+BOOLEAN
+DiscoverScsiDevice (
+ IN OUT SCSI_IO_DEV *ScsiIoDevice
+ )
{
EFI_STATUS Status;
UINT32 InquiryDataLength;
@@ -1157,9 +1115,6 @@ Returns: FALSE
);
if (EFI_ERROR (Status)) {
- //
- // ParseSenseData (&SenseData,SenseDataLength);
- //
return FALSE;
}
//
@@ -1198,29 +1153,19 @@ Returns: }
+/**
+ Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet.
+
+ @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET
+ @param CommandPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET
+
+**/
EFI_STATUS
EFIAPI
ScsiioToPassThruPacket (
IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,
- IN OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket
+ OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket
)
-/*++
-
-Routine Description:
-
- Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to
- EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet
-
-Arguments:
-
- Packet - The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET
- CommandPacket - The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET
-
-Returns:
-
- NONE
-
---*/
{
//
//EFI 1.10 doesn't support Bi-Direction Command.
@@ -1251,29 +1196,19 @@ Returns: }
+/**
+ Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to EFI_SCSI_IO_SCSI_REQUEST_PACKET packet.
+
+ @param ScsiPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET
+ @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET
+
+**/
EFI_STATUS
EFIAPI
PassThruToScsiioPacket (
IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,
- IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet
+ OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet
)
-/*++
-
-Routine Description:
-
- Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to
- EFI_SCSI_IO_SCSI_REQUEST_PACKET packet
-
-Arguments:
-
- ScsiPacket - The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET
- Packet - The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET
-
-Returns:
-
- NONE
-
---*/
{
Packet->Timeout = ScsiPacket->Timeout;
Packet->Cdb = ScsiPacket->Cdb;
@@ -1295,31 +1230,20 @@ Returns: return EFI_SUCCESS;
}
+/**
+ Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0
+ SCSI IO Packet.
+ @param Event The instance of EFI_EVENT.
+ @param Context The parameter passed in.
+**/
VOID
EFIAPI
NotifyFunction (
- EFI_EVENT Event,
- VOID *Context
+ IN EFI_EVENT Event,
+ IN VOID *Context
)
-/*++
-
-Routine Description:
-
- Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0
- SCSI IO Packet.
-
-Arguments:
-
- Event - The instance of EFI_EVENT.
- Context - The parameter passed in.
-
-Returns:
-
- NONE
-
---*/
{
EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet;
EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket;
@@ -1328,7 +1252,7 @@ Returns: PassData = (SCSI_EVENT_DATA*)Context;
Packet = (EFI_SCSI_IO_SCSI_REQUEST_PACKET *)PassData->Data1;
- ScsiPacket = (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)WorkingBuffer;
+ ScsiPacket = (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer;
//
// Convert EFI1.0 PassThru packet to UEFI2.0 SCSI IO Packet.
@@ -1337,9 +1261,9 @@ Returns: //
// After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,
- // free WorkingBuffer.
+ // free mWorkingBuffer.
//
- gBS->FreePool(WorkingBuffer);
+ gBS->FreePool(mWorkingBuffer);
//
// Signal Event to tell caller to pick up UEFI2.0 SCSI IO Packet.
@@ -1348,3 +1272,4 @@ Returns: gBS->CloseEvent(Event);
gBS->SignalEvent(CallerEvent);
}
+
|