1ccdbf2a3e
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9793 6f19259b-4bc3-4df7-8a09-765794883524
486 lines
20 KiB
C
486 lines
20 KiB
C
/** @file
|
|
Header file for SCSI Bus Driver.
|
|
|
|
Copyright (c) 2006 - 2010, Intel Corporation. <BR>
|
|
All rights reserved. This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
#ifndef _SCSI_BUS_H_
|
|
#define _SCSI_BUS_H_
|
|
|
|
|
|
#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/UefiScsiLib.h>
|
|
#include <Library/UefiBootServicesTableLib.h>
|
|
#include <Library/DevicePathLib.h>
|
|
|
|
#include <IndustryStandard/Scsi.h>
|
|
|
|
#define SCSI_IO_DEV_SIGNATURE SIGNATURE_32 ('s', 'c', 'i', 'o')
|
|
|
|
typedef union {
|
|
UINT32 Scsi;
|
|
UINT8 ExtScsi[4];
|
|
} SCSI_ID;
|
|
|
|
typedef struct _SCSI_TARGET_ID {
|
|
SCSI_ID ScsiId;
|
|
UINT8 ExtScsiId[12];
|
|
}SCSI_TARGET_ID;
|
|
|
|
|
|
typedef struct {
|
|
VOID *Data1;
|
|
VOID *Data2;
|
|
} SCSI_EVENT_DATA;
|
|
|
|
|
|
typedef struct {
|
|
UINT32 Signature;
|
|
EFI_HANDLE Handle;
|
|
EFI_SCSI_IO_PROTOCOL ScsiIo;
|
|
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
|
|
BOOLEAN ExtScsiSupport;
|
|
EFI_SCSI_PASS_THRU_PROTOCOL *ScsiPassThru;
|
|
EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiPassThru;
|
|
SCSI_TARGET_ID Pun;
|
|
UINT64 Lun;
|
|
UINT8 ScsiDeviceType;
|
|
UINT8 ScsiVersion;
|
|
BOOLEAN RemovableDevice;
|
|
} SCSI_IO_DEV;
|
|
|
|
#define SCSI_IO_DEV_FROM_THIS(a) CR (a, SCSI_IO_DEV, ScsiIo, SCSI_IO_DEV_SIGNATURE)
|
|
|
|
//
|
|
// SCSI Bus Controller device strcuture
|
|
//
|
|
#define EFI_SCSI_BUS_PROTOCOL_GUID \
|
|
{ \
|
|
0x5261213D, 0x3A3D, 0x441E, {0xB3, 0xAF, 0x21, 0xD3, 0xF7, 0xA4, 0xCA, 0x17} \
|
|
}
|
|
|
|
typedef struct _EFI_SCSI_BUS_PROTOCOL {
|
|
UINT64 Reserved;
|
|
} EFI_SCSI_BUS_PROTOCOL;
|
|
|
|
#define SCSI_BUS_DEVICE_SIGNATURE SIGNATURE_32 ('s', 'c', 's', 'i')
|
|
|
|
|
|
typedef struct _SCSI_BUS_DEVICE {
|
|
UINTN Signature;
|
|
EFI_SCSI_BUS_PROTOCOL BusIdentify;
|
|
BOOLEAN ExtScsiSupport;
|
|
EFI_SCSI_PASS_THRU_PROTOCOL *ScsiInterface;
|
|
EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiInterface;
|
|
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
|
|
} SCSI_BUS_DEVICE;
|
|
|
|
#define SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS(a) CR (a, SCSI_BUS_DEVICE, BusIdentify, SCSI_BUS_DEVICE_SIGNATURE)
|
|
|
|
//
|
|
// Global Variables
|
|
//
|
|
extern EFI_DRIVER_BINDING_PROTOCOL gScsiBusDriverBinding;
|
|
extern EFI_COMPONENT_NAME_PROTOCOL gScsiBusComponentName;
|
|
extern EFI_COMPONENT_NAME2_PROTOCOL gScsiBusComponentName2;
|
|
|
|
/**
|
|
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 (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE Controller,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
|
|
);
|
|
|
|
/**
|
|
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 (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE Controller,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
|
|
);
|
|
|
|
/**
|
|
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 (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE Controller,
|
|
IN UINTN NumberOfChildren,
|
|
IN EFI_HANDLE *ChildHandleBuffer
|
|
);
|
|
|
|
//
|
|
// EFI Component Name Functions
|
|
//
|
|
/**
|
|
Retrieves a Unicode string that is the user readable name of the driver.
|
|
|
|
This function retrieves the user readable name of a driver in the form of a
|
|
Unicode string. If the driver specified by This has a user readable name in
|
|
the language specified by Language, then a pointer to the driver name is
|
|
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
|
|
by This does not support the language specified by Language,
|
|
then EFI_UNSUPPORTED is returned.
|
|
|
|
@param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
|
|
EFI_COMPONENT_NAME_PROTOCOL instance.
|
|
|
|
@param Language A pointer to a Null-terminated ASCII string
|
|
array indicating the language. This is the
|
|
language of the driver name that the caller is
|
|
requesting, and it must match one of the
|
|
languages specified in SupportedLanguages. The
|
|
number of languages supported by a driver is up
|
|
to the driver writer. Language is specified
|
|
in RFC 4646 or ISO 639-2 language code format.
|
|
|
|
@param DriverName A pointer to the Unicode string to return.
|
|
This Unicode string is the name of the
|
|
driver specified by This in the language
|
|
specified by Language.
|
|
|
|
@retval EFI_SUCCESS The Unicode string for the Driver specified by
|
|
This and the language specified by Language was
|
|
returned in DriverName.
|
|
|
|
@retval EFI_INVALID_PARAMETER Language is NULL.
|
|
|
|
@retval EFI_INVALID_PARAMETER DriverName is NULL.
|
|
|
|
@retval EFI_UNSUPPORTED The driver specified by This does not support
|
|
the language specified by Language.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
ScsiBusComponentNameGetDriverName (
|
|
IN EFI_COMPONENT_NAME_PROTOCOL *This,
|
|
IN CHAR8 *Language,
|
|
OUT CHAR16 **DriverName
|
|
);
|
|
|
|
/**
|
|
Retrieves a Unicode string that is the user readable name of the controller
|
|
that is being managed by a driver.
|
|
|
|
This function retrieves the user readable name of the controller specified by
|
|
ControllerHandle and ChildHandle in the form of a Unicode string. If the
|
|
driver specified by This has a user readable name in the language specified by
|
|
Language, then a pointer to the controller name is returned in ControllerName,
|
|
and EFI_SUCCESS is returned. If the driver specified by This is not currently
|
|
managing the controller specified by ControllerHandle and ChildHandle,
|
|
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
|
|
support the language specified by Language, then EFI_UNSUPPORTED is returned.
|
|
|
|
@param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
|
|
EFI_COMPONENT_NAME_PROTOCOL instance.
|
|
|
|
@param ControllerHandle The handle of a controller that the driver
|
|
specified by This is managing. This handle
|
|
specifies the controller whose name is to be
|
|
returned.
|
|
|
|
@param ChildHandle The handle of the child controller to retrieve
|
|
the name of. This is an optional parameter that
|
|
may be NULL. It will be NULL for device
|
|
drivers. It will also be NULL for a bus drivers
|
|
that wish to retrieve the name of the bus
|
|
controller. It will not be NULL for a bus
|
|
driver that wishes to retrieve the name of a
|
|
child controller.
|
|
|
|
@param Language A pointer to a Null-terminated ASCII string
|
|
array indicating the language. This is the
|
|
language of the driver name that the caller is
|
|
requesting, and it must match one of the
|
|
languages specified in SupportedLanguages. The
|
|
number of languages supported by a driver is up
|
|
to the driver writer. Language is specified in
|
|
RFC 4646 or ISO 639-2 language code format.
|
|
|
|
@param ControllerName A pointer to the Unicode string to return.
|
|
This Unicode string is the name of the
|
|
controller specified by ControllerHandle and
|
|
ChildHandle in the language specified by
|
|
Language from the point of view of the driver
|
|
specified by This.
|
|
|
|
@retval EFI_SUCCESS The Unicode string for the user readable name in
|
|
the language specified by Language for the
|
|
driver specified by This was returned in
|
|
DriverName.
|
|
|
|
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
|
|
|
|
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
|
|
EFI_HANDLE.
|
|
|
|
@retval EFI_INVALID_PARAMETER Language is NULL.
|
|
|
|
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
|
|
|
|
@retval EFI_UNSUPPORTED The driver specified by This is not currently
|
|
managing the controller specified by
|
|
ControllerHandle and ChildHandle.
|
|
|
|
@retval EFI_UNSUPPORTED The driver specified by This does not support
|
|
the language specified by Language.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
ScsiBusComponentNameGetControllerName (
|
|
IN EFI_COMPONENT_NAME_PROTOCOL *This,
|
|
IN EFI_HANDLE ControllerHandle,
|
|
IN EFI_HANDLE ChildHandle OPTIONAL,
|
|
IN CHAR8 *Language,
|
|
OUT CHAR16 **ControllerName
|
|
);
|
|
|
|
/**
|
|
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
|
|
);
|
|
|
|
/**
|
|
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 (
|
|
IN EFI_SCSI_IO_PROTOCOL *This,
|
|
IN OUT UINT8 **Target,
|
|
OUT UINT64 *Lun
|
|
);
|
|
|
|
/**
|
|
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
|
|
);
|
|
|
|
/**
|
|
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
|
|
);
|
|
|
|
/**
|
|
Sends a SCSI Request Packet to the SCSI Controller for execution.
|
|
|
|
@param This Protocol instance pointer.
|
|
@param CommandPacket The SCSI request packet to send to the SCSI
|
|
Controller specified by the device handle.
|
|
@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.
|
|
If Event is not NULL and non-blocking I/O is
|
|
supported, then non-blocking I/O is performed,
|
|
and Event will be signaled when the SCSI Request
|
|
Packet completes.
|
|
|
|
@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 *CommandPacket,
|
|
IN EFI_EVENT Event OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Scan SCSI Bus to discover the device, and attach ScsiIoProtocol to it.
|
|
|
|
@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
|
|
|
|
@retval EFI_SUCCESS Successfully to discover the device and attach
|
|
ScsiIoProtocol to it.
|
|
@retval 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
|
|
);
|
|
|
|
/**
|
|
Discovery SCSI Device
|
|
|
|
@param ScsiIoDevice The pointer of SCSI_IO_DEV
|
|
|
|
@retval TRUE Find SCSI Device and verify it.
|
|
@retval FALSE Unable to find SCSI Device.
|
|
|
|
**/
|
|
BOOLEAN
|
|
DiscoverScsiDevice (
|
|
IN OUT SCSI_IO_DEV *ScsiIoDevice
|
|
);
|
|
|
|
#endif
|