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| author | qhuang8 <qhuang8@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-11-20 07:05:44 +0000 |
|---|---|---|
| committer | qhuang8 <qhuang8@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-11-20 07:05:44 +0000 |
| commit | 823f7d4f93b79c12ba521e7193bf1136ff0f2bfa (patch) | |
| tree | 6535c0a0720d61a5ad609abea0d62447e63b0101 /OptionRomPkg/AtapiPassThruDxe/AtapiPassThru.h | |
| parent | 61066b8d7475929f9f453e1ebea4f72d0c020096 (diff) | |
| download | edk2-823f7d4f93b79c12ba521e7193bf1136ff0f2bfa.tar.gz edk2-823f7d4f93b79c12ba521e7193bf1136ff0f2bfa.tar.bz2 edk2-823f7d4f93b79c12ba521e7193bf1136ff0f2bfa.zip | |
Add OptionRomPkg, it contains AtapiPassThru driver for the test purpose of Scsi Bus support.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4309 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'OptionRomPkg/AtapiPassThruDxe/AtapiPassThru.h')
| -rw-r--r-- | OptionRomPkg/AtapiPassThruDxe/AtapiPassThru.h | 1625 |
1 files changed, 1625 insertions, 0 deletions
diff --git a/OptionRomPkg/AtapiPassThruDxe/AtapiPassThru.h b/OptionRomPkg/AtapiPassThruDxe/AtapiPassThru.h new file mode 100644 index 0000000000..2187580bb6 --- /dev/null +++ b/OptionRomPkg/AtapiPassThruDxe/AtapiPassThru.h @@ -0,0 +1,1625 @@ +/** @file
+ Copyright (c) 2006, Intel Corporation
+ 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.
+
+ Module Name: AtapiPassThru.h
+
+**/
+
+#ifndef _APT_H
+#define _APT_H
+
+
+
+#include <Uefi.h>
+
+#include <Protocol/ScsiPassThru.h>
+#include <Protocol/ScsiPassThruExt.h>
+#include <Protocol/PciIo.h>
+
+#include <Library/DebugLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/BaseLib.h>
+#include <Library/UefiLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/PcdLib.h>
+#include <IndustryStandard/pci22.h>
+
+///
+/// bit definition
+///
+#define bit(a) (1 << (a))
+
+#define MAX_TARGET_ID 4
+
+//
+// IDE Registers
+//
+typedef union {
+ UINT16 Command; /* when write */
+ UINT16 Status; /* when read */
+} IDE_CMD_OR_STATUS;
+
+typedef union {
+ UINT16 Error; /* when read */
+ UINT16 Feature; /* when write */
+} IDE_ERROR_OR_FEATURE;
+
+typedef union {
+ UINT16 AltStatus; /* when read */
+ UINT16 DeviceControl; /* when write */
+} IDE_AltStatus_OR_DeviceControl;
+
+
+typedef enum {
+ IdePrimary = 0,
+ IdeSecondary = 1,
+ IdeMaxChannel = 2
+} EFI_IDE_CHANNEL;
+
+///
+
+
+//
+// Bit definitions in Programming Interface byte of the Class Code field
+// in PCI IDE controller's Configuration Space
+//
+#define IDE_PRIMARY_OPERATING_MODE BIT0
+#define IDE_PRIMARY_PROGRAMMABLE_INDICATOR BIT1
+#define IDE_SECONDARY_OPERATING_MODE BIT2
+#define IDE_SECONDARY_PROGRAMMABLE_INDICATOR BIT3
+
+
+#define ATAPI_MAX_CHANNEL 2
+
+///
+/// IDE registers set
+///
+typedef struct {
+ UINT16 Data;
+ IDE_ERROR_OR_FEATURE Reg1;
+ UINT16 SectorCount;
+ UINT16 SectorNumber;
+ UINT16 CylinderLsb;
+ UINT16 CylinderMsb;
+ UINT16 Head;
+ IDE_CMD_OR_STATUS Reg;
+ IDE_AltStatus_OR_DeviceControl Alt;
+ UINT16 DriveAddress;
+} IDE_BASE_REGISTERS;
+
+#define ATAPI_SCSI_PASS_THRU_DEV_SIGNATURE EFI_SIGNATURE_32 ('a', 's', 'p', 't')
+
+typedef struct {
+ UINTN Signature;
+ EFI_HANDLE Handle;
+ EFI_SCSI_PASS_THRU_PROTOCOL ScsiPassThru;
+ EFI_EXT_SCSI_PASS_THRU_PROTOCOL ExtScsiPassThru;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ UINT64 OriginalPciAttributes;
+ //
+ // Local Data goes here
+ //
+ IDE_BASE_REGISTERS *IoPort;
+ IDE_BASE_REGISTERS AtapiIoPortRegisters[2];
+ UINT32 LatestTargetId;
+ UINT64 LatestLun;
+} ATAPI_SCSI_PASS_THRU_DEV;
+
+//
+// IDE registers' base addresses
+//
+typedef struct {
+ UINT16 CommandBlockBaseAddr;
+ UINT16 ControlBlockBaseAddr;
+} IDE_REGISTERS_BASE_ADDR;
+
+#define ATAPI_SCSI_PASS_THRU_DEV_FROM_THIS(a) \
+ CR (a, \
+ ATAPI_SCSI_PASS_THRU_DEV, \
+ ScsiPassThru, \
+ ATAPI_SCSI_PASS_THRU_DEV_SIGNATURE \
+ )
+
+#define ATAPI_EXT_SCSI_PASS_THRU_DEV_FROM_THIS(a) \
+ CR (a, \
+ ATAPI_SCSI_PASS_THRU_DEV, \
+ ExtScsiPassThru, \
+ ATAPI_SCSI_PASS_THRU_DEV_SIGNATURE \
+ )
+
+//
+// Global Variables
+//
+extern EFI_DRIVER_BINDING_PROTOCOL gAtapiScsiPassThruDriverBinding;
+extern EFI_COMPONENT_NAME_PROTOCOL gAtapiScsiPassThruComponentName;
+extern EFI_COMPONENT_NAME2_PROTOCOL gAtapiScsiPassThruComponentName2;
+
+//
+// ATAPI Command op code
+//
+#define OP_INQUIRY 0x12
+#define OP_LOAD_UNLOAD_CD 0xa6
+#define OP_MECHANISM_STATUS 0xbd
+#define OP_MODE_SELECT_10 0x55
+#define OP_MODE_SENSE_10 0x5a
+#define OP_PAUSE_RESUME 0x4b
+#define OP_PLAY_AUDIO_10 0x45
+#define OP_PLAY_AUDIO_MSF 0x47
+#define OP_PLAY_CD 0xbc
+#define OP_PLAY_CD_MSF 0xb4
+#define OP_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e
+#define OP_READ_10 0x28
+#define OP_READ_12 0xa8
+#define OP_READ_CAPACITY 0x25
+#define OP_READ_CD 0xbe
+#define OP_READ_CD_MSF 0xb9
+#define OP_READ_HEADER 0x44
+#define OP_READ_SUB_CHANNEL 0x42
+#define OP_READ_TOC 0x43
+#define OP_REQUEST_SENSE 0x03
+#define OP_SCAN 0xba
+#define OP_SEEK_10 0x2b
+#define OP_SET_CD_SPEED 0xbb
+#define OP_STOPPLAY_SCAN 0x4e
+#define OP_START_STOP_UNIT 0x1b
+#define OP_TEST_UNIT_READY 0x00
+
+#define OP_FORMAT_UNIT 0x04
+#define OP_READ_FORMAT_CAPACITIES 0x23
+#define OP_VERIFY 0x2f
+#define OP_WRITE_10 0x2a
+#define OP_WRITE_12 0xaa
+#define OP_WRITE_AND_VERIFY 0x2e
+
+//
+// ATA Command
+//
+#define ATAPI_SOFT_RESET_CMD 0x08
+
+typedef enum {
+ DataIn = 0,
+ DataOut = 1,
+ DataBi = 2,
+ NoData = 3,
+ End = 0xff
+} DATA_DIRECTION;
+
+typedef struct {
+ UINT8 OpCode;
+ DATA_DIRECTION Direction;
+} SCSI_COMMAND_SET;
+
+#define MAX_CHANNEL 2
+
+#define ValidCdbLength(Len) ((Len) == 6 || (Len) == 10 || (Len) == 12) ? 1 : 0
+
+//
+// IDE registers bit definitions
+//
+// ATA Err Reg bitmap
+//
+#define BBK_ERR bit (7) ///< Bad block detected
+#define UNC_ERR bit (6) ///< Uncorrectable Data
+#define MC_ERR bit (5) ///< Media Change
+#define IDNF_ERR bit (4) ///< ID Not Found
+#define MCR_ERR bit (3) ///< Media Change Requested
+#define ABRT_ERR bit (2) ///< Aborted Command
+#define TK0NF_ERR bit (1) ///< Track 0 Not Found
+#define AMNF_ERR bit (0) ///< Address Mark Not Found
+
+//
+// ATAPI Err Reg bitmap
+//
+#define SENSE_KEY_ERR (bit (7) | bit (6) | bit (5) | bit (4))
+#define EOM_ERR bit (1) ///< End of Media Detected
+#define ILI_ERR bit (0) ///< Illegal Length Indication
+
+//
+// Device/Head Reg
+//
+#define LBA_MODE bit (6)
+#define DEV bit (4)
+#define HS3 bit (3)
+#define HS2 bit (2)
+#define HS1 bit (1)
+#define HS0 bit (0)
+#define CHS_MODE (0)
+#define DRV0 (0)
+#define DRV1 (1)
+#define MST_DRV DRV0
+#define SLV_DRV DRV1
+
+//
+// Status Reg
+//
+#define BSY bit (7) ///< Controller Busy
+#define DRDY bit (6) ///< Drive Ready
+#define DWF bit (5) ///< Drive Write Fault
+#define DSC bit (4) ///< Disk Seek Complete
+#define DRQ bit (3) ///< Data Request
+#define CORR bit (2) ///< Corrected Data
+#define IDX bit (1) ///< Index
+#define ERR bit (0) ///< Error
+#define CHECK bit (0) ///< Check bit for ATAPI Status Reg
+
+//
+// Device Control Reg
+//
+#define SRST bit (2) ///< Software Reset
+#define IEN_L bit (1) ///< Interrupt Enable
+
+//
+// ATAPI Feature Register
+//
+#define OVERLAP bit (1)
+#define DMA bit (0)
+
+//
+// ATAPI Interrupt Reason Reson Reg (ATA Sector Count Register)
+//
+#define RELEASE bit (2)
+#define IO bit (1)
+#define CoD bit (0)
+
+#define PACKET_CMD 0xA0
+
+#define DEFAULT_CMD (0xa0)
+//
+// default content of device control register, disable INT
+//
+#define DEFAULT_CTL (0x0a)
+#define MAX_ATAPI_BYTE_COUNT (0xfffe)
+
+//
+// function prototype
+//
+
+EFI_STATUS
+EFIAPI
+AtapiScsiPassThruDriverBindingSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ );
+
+EFI_STATUS
+EFIAPI
+AtapiScsiPassThruDriverBindingStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ );
+
+EFI_STATUS
+EFIAPI
+AtapiScsiPassThruDriverBindingStop (
+ 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[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+
+ @param Language[in] 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 3066 or ISO 639-2 language code format.
+
+ @param DriverName[out] 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
+AtapiScsiPassThruComponentNameGetDriverName (
+ 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[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+
+ @param ControllerHandle[in] 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[in] 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[in] 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 3066 or ISO 639-2 language code format.
+
+ @param ControllerName[out] 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
+AtapiScsiPassThruComponentNameGetControllerName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL,
+ IN CHAR8 *Language,
+ OUT CHAR16 **ControllerName
+ );
+
+
+EFI_STATUS
+EFIAPI
+AtapiScsiPassThruDriverEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+ /*++
+
+Routine Description:
+
+ Entry point for EFI drivers.
+
+Arguments:
+
+ ImageHandle - EFI_HANDLE
+ SystemTable - EFI_SYSTEM_TABLE
+
+Returns:
+
+ EFI_SUCCESS
+ Others
+
+--*/
+;
+
+EFI_STATUS
+RegisterAtapiScsiPassThru (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT64 OriginalPciAttributes
+ )
+/*++
+
+Routine Description:
+ Attaches SCSI Pass Thru Protocol for specified IDE channel.
+
+Arguments:
+ This - Protocol instance pointer.
+ Controller - Parent device handle to the IDE channel.
+ PciIo - PCI I/O protocol attached on the "Controller".
+
+Returns:
+ Always return EFI_SUCCESS unless installing SCSI Pass Thru Protocol failed.
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+AtapiScsiPassThruFunction (
+ IN EFI_SCSI_PASS_THRU_PROTOCOL *This,
+ IN UINT32 Target,
+ IN UINT64 Lun,
+ IN OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet,
+ IN EFI_EVENT Event OPTIONAL
+ )
+/*++
+
+Routine Description:
+
+ Implements EFI_SCSI_PASS_THRU_PROTOCOL.PassThru() function.
+
+Arguments:
+
+ This: The EFI_SCSI_PASS_THRU_PROTOCOL instance.
+ Target: The Target ID of the ATAPI device to send the SCSI
+ Request Packet. To ATAPI devices attached on an IDE
+ Channel, Target ID 0 indicates Master device;Target
+ ID 1 indicates Slave device.
+ Lun: The LUN of the ATAPI device to send the SCSI Request
+ Packet. To the ATAPI device, Lun is always 0.
+ Packet: The SCSI Request Packet to send to the ATAPI device
+ specified by Target and Lun.
+ Event: If non-blocking I/O is not supported 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.
+
+Returns:
+
+ EFI_STATUS
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+AtapiScsiPassThruGetNextDevice (
+ IN EFI_SCSI_PASS_THRU_PROTOCOL *This,
+ IN OUT UINT32 *Target,
+ IN OUT UINT64 *Lun
+ )
+/*++
+
+Routine Description:
+
+ Used to retrieve the list of legal Target IDs for SCSI devices
+ on a SCSI channel.
+
+Arguments:
+
+ This - Protocol instance pointer.
+ Target - On input, a pointer to the Target ID of a SCSI
+ device present on the SCSI channel. On output,
+ a pointer to the Target ID of the next SCSI device
+ present on a SCSI channel. An input value of
+ 0xFFFFFFFF retrieves the Target ID of the first
+ SCSI device present on a SCSI channel.
+ Lun - On input, a pointer to the LUN of a SCSI device
+ present on the SCSI channel. On output, a pointer
+ to the LUN of the next SCSI device present on
+ a SCSI channel.
+Returns:
+
+ EFI_SUCCESS - The Target ID and Lun of the next SCSI device
+ on the SCSI channel was returned in Target and Lun.
+ EFI_NOT_FOUND - There are no more SCSI devices on this SCSI channel.
+ EFI_INVALID_PARAMETER - Target is not 0xFFFFFFFF,and Target and Lun were not
+ returned on a previous call to GetNextDevice().
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+AtapiScsiPassThruBuildDevicePath (
+ IN EFI_SCSI_PASS_THRU_PROTOCOL *This,
+ IN UINT32 Target,
+ IN UINT64 Lun,
+ IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
+ )
+/*++
+
+Routine Description:
+
+ Used to allocate and build a device path node for a SCSI device
+ on a SCSI channel. Would not build device path for a SCSI Host Controller.
+
+Arguments:
+
+ This - Protocol instance pointer.
+ Target - The Target ID of the SCSI device for which
+ a device path node is to be allocated and built.
+ Lun - The LUN of the SCSI device for which a device
+ path node is to be allocated and built.
+ DevicePath - A pointer to a single device path node that
+ describes the SCSI device specified by
+ Target and Lun. This function is responsible
+ for allocating the buffer DevicePath with the boot
+ service AllocatePool(). It is the caller's
+ responsibility to free DevicePath when the caller
+ is finished with DevicePath.
+ Returns:
+ EFI_SUCCESS - The device path node that describes the SCSI device
+ specified by Target and Lun was allocated and
+ returned in DevicePath.
+ EFI_NOT_FOUND - The SCSI devices specified by Target and Lun does
+ not exist on the SCSI channel.
+ EFI_INVALID_PARAMETER - DevicePath is NULL.
+ EFI_OUT_OF_RESOURCES - There are not enough resources to allocate
+ DevicePath.
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+AtapiScsiPassThruGetTargetLun (
+ IN EFI_SCSI_PASS_THRU_PROTOCOL *This,
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ OUT UINT32 *Target,
+ OUT UINT64 *Lun
+ )
+/*++
+
+Routine Description:
+
+ Used to translate a device path node to a Target ID and LUN.
+
+Arguments:
+
+ This - Protocol instance pointer.
+ DevicePath - A pointer to the device path node that
+ describes a SCSI device on the SCSI channel.
+ Target - A pointer to the Target ID of a SCSI device
+ on the SCSI channel.
+ Lun - A pointer to the LUN of a SCSI device on
+ the SCSI channel.
+Returns:
+
+ EFI_SUCCESS - DevicePath was successfully translated to a
+ Target ID and LUN, and they were returned
+ in Target and Lun.
+ EFI_INVALID_PARAMETER - DevicePath/Target/Lun is NULL.
+ EFI_UNSUPPORTED - This driver does not support the device path
+ node type in DevicePath.
+ EFI_NOT_FOUND - A valid translation from DevicePath to a
+ Target ID and LUN does not exist.
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+AtapiScsiPassThruResetChannel (
+ IN EFI_SCSI_PASS_THRU_PROTOCOL *This
+ )
+/*++
+
+Routine Description:
+
+ Resets a SCSI channel.This operation resets all the
+ SCSI devices connected to the SCSI channel.
+
+Arguments:
+
+ This - Protocol instance pointer.
+
+Returns:
+
+ EFI_SUCCESS - The SCSI channel was reset.
+ EFI_UNSUPPORTED - The SCSI channel does not support
+ a channel reset operation.
+ EFI_DEVICE_ERROR - A device error occurred while
+ attempting to reset the SCSI channel.
+ EFI_TIMEOUT - A timeout occurred while attempting
+ to reset the SCSI channel.
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+AtapiScsiPassThruResetTarget (
+ IN EFI_SCSI_PASS_THRU_PROTOCOL *This,
+ IN UINT32 Target,
+ IN UINT64 Lun
+ )
+/*++
+
+Routine Description:
+
+ Resets a SCSI device that is connected to a SCSI channel.
+
+Arguments:
+
+ This - Protocol instance pointer.
+ Target - The Target ID of the SCSI device to reset.
+ Lun - The LUN of the SCSI device to reset.
+
+Returns:
+
+ EFI_SUCCESS - The SCSI device specified by Target and
+ Lun was reset.
+ EFI_UNSUPPORTED - The SCSI channel does not support a target
+ reset operation.
+ EFI_INVALID_PARAMETER - Target or Lun are invalid.
+ EFI_DEVICE_ERROR - A device error occurred while attempting
+ to reset the SCSI device specified by Target
+ and Lun.
+ EFI_TIMEOUT - A timeout occurred while attempting to reset
+ the SCSI device specified by Target and Lun.
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+AtapiExtScsiPassThruFunction (
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
+ IN UINT8 *Target,
+ IN UINT64 Lun,
+ IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet,
+ IN EFI_EVENT Event OPTIONAL
+ )
+/*++
+
+Routine Description:
+
+ Implements EFI_EXT_SCSI_PASS_THRU_PROTOCOL.PassThru() function.
+
+Arguments:
+
+ This: The EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.
+ Target: The Target ID of the ATAPI device to send the SCSI
+ Request Packet. To ATAPI devices attached on an IDE
+ Channel, Target ID 0 indicates Master device;Target
+ ID 1 indicates Slave device.
+ Lun: The LUN of the ATAPI device to send the SCSI Request
+ Packet. To the ATAPI device, Lun is always 0.
+ Packet: The SCSI Request Packet to send to the ATAPI device
+ specified by Target and Lun.
+ Event: If non-blocking I/O is not supported 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.
+
+Returns:
+
+ EFI_STATUS
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+AtapiExtScsiPassThruGetNextTargetLun (
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
+ IN OUT UINT8 **Target,
+ IN OUT UINT64 *Lun
+ )
+/*++
+
+Routine Description:
+
+ Used to retrieve the list of legal Target IDs for SCSI devices
+ on a SCSI channel.
+
+Arguments:
+
+ This - Protocol instance pointer.
+ Target - On input, a pointer to the Target ID of a SCSI
+ device present on the SCSI channel. On output,
+ a pointer to the Target ID of the next SCSI device
+ present on a SCSI channel. An input value of
+ 0xFFFFFFFF retrieves the Target ID of the first
+ SCSI device present on a SCSI channel.
+ Lun - On input, a pointer to the LUN of a SCSI device
+ present on the SCSI channel. On output, a pointer
+ to the LUN of the next SCSI device present on
+ a SCSI channel.
+Returns:
+
+ EFI_SUCCESS - The Target ID and Lun of the next SCSI device
+ on the SCSI channel was returned in Target and Lun.
+ EFI_NOT_FOUND - There are no more SCSI devices on this SCSI channel.
+ EFI_INVALID_PARAMETER - Target is not 0xFFFFFFFF,and Target and Lun were not
+ returned on a previous call to GetNextDevice().
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+AtapiExtScsiPassThruBuildDevicePath (
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
+ IN UINT8 *Target,
+ IN UINT64 Lun,
+ IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
+ )
+/*++
+
+Routine Description:
+
+ Used to allocate and build a device path node for a SCSI device
+ on a SCSI channel. Would not build device path for a SCSI Host Controller.
+
+Arguments:
+
+ This - Protocol instance pointer.
+ Target - The Target ID of the SCSI device for which
+ a device path node is to be allocated and built.
+ Lun - The LUN of the SCSI device for which a device
+ path node is to be allocated and built.
+ DevicePath - A pointer to a single device path node that
+ describes the SCSI device specified by
+ Target and Lun. This function is responsible
+ for allocating the buffer DevicePath with the boot
+ service AllocatePool(). It is the caller's
+ responsibility to free DevicePath when the caller
+ is finished with DevicePath.
+ Returns:
+ EFI_SUCCESS - The device path node that describes the SCSI device
+ specified by Target and Lun was allocated and
+ returned in DevicePath.
+ EFI_NOT_FOUND - The SCSI devices specified by Target and Lun does
+ not exist on the SCSI channel.
+ EFI_INVALID_PARAMETER - DevicePath is NULL.
+ EFI_OUT_OF_RESOURCES - There are not enough resources to allocate
+ DevicePath.
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+AtapiExtScsiPassThruGetTargetLun (
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ OUT UINT8 **Target,
+ OUT UINT64 *Lun
+ )
+/*++
+
+Routine Description:
+
+ Used to translate a device path node to a Target ID and LUN.
+
+Arguments:
+
+ This - Protocol instance pointer.
+ DevicePath - A pointer to the device path node that
+ describes a SCSI device on the SCSI channel.
+ Target - A pointer to the Target ID of a SCSI device
+ on the SCSI channel.
+ Lun - A pointer to the LUN of a SCSI device on
+ the SCSI channel.
+Returns:
+
+ EFI_SUCCESS - DevicePath was successfully translated to a
+ Target ID and LUN, and they were returned
+ in Target and Lun.
+ EFI_INVALID_PARAMETER - DevicePath/Target/Lun is NULL.
+ EFI_UNSUPPORTED - This driver does not support the device path
+ node type in DevicePath.
+ EFI_NOT_FOUND - A valid translation from DevicePath to a
+ Target ID and LUN does not exist.
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+AtapiExtScsiPassThruResetChannel (
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This
+ )
+/*++
+
+Routine Description:
+
+ Resets a SCSI channel.This operation resets all the
+ SCSI devices connected to the SCSI channel.
+
+Arguments:
+
+ This - Protocol instance pointer.
+
+Returns:
+
+ EFI_SUCCESS - The SCSI channel was reset.
+ EFI_UNSUPPORTED - The SCSI channel does not support
+ a channel reset operation.
+ EFI_DEVICE_ERROR - A device error occurred while
+ attempting to reset the SCSI channel.
+ EFI_TIMEOUT - A timeout occurred while attempting
+ to reset the SCSI channel.
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+AtapiExtScsiPassThruResetTarget (
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
+ IN UINT8 *Target,
+ IN UINT64 Lun
+ )
+/*++
+
+Routine Description:
+
+ Resets a SCSI device that is connected to a SCSI channel.
+
+Arguments:
+
+ This - Protocol instance pointer.
+ Target - The Target ID of the SCSI device to reset.
+ Lun - The LUN of the SCSI device to reset.
+
+Returns:
+
+ EFI_SUCCESS - The SCSI device specified by Target and
+ Lun was reset.
+ EFI_UNSUPPORTED - The SCSI channel does not support a target
+ reset operation.
+ EFI_INVALID_PARAMETER - Target or Lun are invalid.
+ EFI_DEVICE_ERROR - A device error occurred while attempting
+ to reset the SCSI device specified by Target
+ and Lun.
+ EFI_TIMEOUT - A timeout occurred while attempting to reset
+ the SCSI device specified by Target and Lun.
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+AtapiExtScsiPassThruGetNextTarget (
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
+ IN OUT UINT8 **Target
+ )
+/*++
+
+Routine Description:
+ Used to retrieve the list of legal Target IDs for SCSI devices
+ on a SCSI channel.
+
+Arguments:
+ This - Protocol instance pointer.
+ Target - On input, a pointer to the Target ID of a SCSI
+ device present on the SCSI channel. On output,
+ a pointer to the Target ID of the next SCSI device
+ present on a SCSI channel. An input value of
+ 0xFFFFFFFF retrieves the Target ID of the first
+ SCSI device present on a SCSI channel.
+ Lun - On input, a pointer to the LUN of a SCSI device
+ present on the SCSI channel. On output, a pointer
+ to the LUN of the next SCSI device present on
+ a SCSI channel.
+
+Returns:
+ EFI_SUCCESS - The Target ID and Lun of the next SCSI device
+ on the SCSI channel was returned in Target and Lun.
+ EFI_NOT_FOUND - There are no more SCSI devices on this SCSI channel.
+ EFI_INVALID_PARAMETER - Target is not 0xFFFFFFFF,and Target and Lun were not
+ returned on a previous call to GetNextDevice().
+
+--*/
+;
+
+EFI_STATUS
+CheckSCSIRequestPacket (
+ EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet
+ )
+/*++
+
+Routine Description:
+
+ Checks the parameters in the SCSI Request Packet to make sure
+ they are valid for a SCSI Pass Thru request.
+
+Arguments:
+
+ Packet - The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET
+
+Returns:
+
+ EFI_STATUS
+
+--*/
+;
+
+EFI_STATUS
+SubmitBlockingIoCommand (
+ ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
+ UINT32 Target,
+ EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet
+ )
+/*++
+
+Routine Description:
+
+ Performs blocking I/O request.
+
+Arguments:
+
+ AtapiScsiPrivate: Private data structure for the specified channel.
+ Target: The Target ID of the ATAPI device to send the SCSI
+ Request Packet. To ATAPI devices attached on an IDE
+ Channel, Target ID 0 indicates Master device;Target
+ ID 1 indicates Slave device.
+ Packet: The SCSI Request Packet to send to the ATAPI device
+ specified by Target.
+
+ Returns: EFI_STATUS
+
+--*/
+;
+
+BOOLEAN
+IsCommandValid (
+ EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet
+ )
+ /*++
+
+Routine Description:
+
+ Checks the requested SCSI command:
+ Is it supported by this driver?
+ Is the Data transfer direction reasonable?
+
+Arguments:
+
+ Packet - The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET
+
+Returns:
+
+ EFI_STATUS
+
+--*/
+;
+
+EFI_STATUS
+CheckExtSCSIRequestPacket (
+ EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet
+ )
+/*++
+
+Routine Description:
+
+ Checks the parameters in the SCSI Request Packet to make sure
+ they are valid for a SCSI Pass Thru request.
+
+Arguments:
+
+ Packet - The pointer of EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET
+
+Returns:
+
+ EFI_STATUS
+
+--*/
+;
+
+
+BOOLEAN
+IsExtCommandValid (
+ EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet
+ )
+/*++
+
+Routine Description:
+
+ Checks the requested SCSI command:
+ Is it supported by this driver?
+ Is the Data transfer direction reasonable?
+
+Arguments:
+
+ Packet - The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET
+
+Returns:
+
+ EFI_STATUS
+
+--*/
+;
+
+EFI_STATUS
+SubmitExtBlockingIoCommand (
+ ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
+ UINT8 Target,
+ EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet
+ )
+/*++
+
+Routine Description:
+
+ Performs blocking I/O request.
+
+Arguments:
+
+ AtapiScsiPrivate: Private data structure for the specified channel.
+ Target: The Target ID of the ATAPI device to send the SCSI
+ Request Packet. To ATAPI devices attached on an IDE
+ Channel, Target ID 0 indicates Master device;Target
+ ID 1 indicates Slave device.
+ Packet: The SCSI Request Packet to send to the ATAPI device
+ specified by Target.
+
+ Returns: EFI_STATUS
+
+--*/
+;
+
+EFI_STATUS
+RequestSenseCommand (
+ ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
+ UINT32 Target,
+ UINT64 Timeout,
+ VOID *SenseData,
+ UINT8 *SenseDataLength
+ )
+/*++
+
+Routine Description:
+
+ Sumbit request sense command
+
+Arguments:
+
+ AtapiScsiPrivate - The pionter of ATAPI_SCSI_PASS_THRU_DEV
+ Target - The target ID
+ Timeout - The time to complete the command
+ SenseData - The buffer to fill in sense data
+ SenseDataLength - The length of buffer
+
+Returns:
+
+ EFI_STATUS
+
+--*/
+;
+
+EFI_STATUS
+AtapiPacketCommand (
+ ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
+ UINT32 Target,
+ UINT8 *PacketCommand,
+ VOID *Buffer,
+ UINT32 *ByteCount,
+ DATA_DIRECTION Direction,
+ UINT64 TimeOutInMicroSeconds
+ )
+/*++
+
+Routine Description:
+
+ Submits ATAPI command packet to the specified ATAPI device.
+
+Arguments:
+
+ AtapiScsiPrivate: Private data structure for the specified channel.
+ Target: The Target ID of the ATAPI device to send the SCSI
+ Request Packet. To ATAPI devices attached on an IDE
+ Channel, Target ID 0 indicates Master device;Target
+ ID 1 indicates Slave device.
+ PacketCommand: Points to the ATAPI command packet.
+ Buffer: Points to the transferred data.
+ ByteCount: When input,indicates the buffer size; when output,
+ indicates the actually transferred data size.
+ Direction: Indicates the data transfer direction.
+ TimeoutInMicroSeconds:
+ The timeout, in micro second units, to use for the
+ execution of this ATAPI command.
+ A TimeoutInMicroSeconds value of 0 means that
+ this function will wait indefinitely for the ATAPI
+ command to execute.
+ If TimeoutInMicroSeconds is greater than zero, then
+ this function will return EFI_TIMEOUT if the time
+ required to execute the ATAPI command is greater
+ than TimeoutInMicroSeconds.
+
+Returns:
+
+ EFI_STATUS
+
+--*/
+;
+
+
+UINT8
+ReadPortB (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT16 Port
+ )
+/*++
+
+Routine Description:
+
+ Read one byte from a specified I/O port.
+
+Arguments:
+
+ PciIo - The pointer of EFI_PCI_IO_PROTOCOL
+ Port - IO port
+
+Returns:
+
+ A byte read out
+
+--*/
+;
+
+
+UINT16
+ReadPortW (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT16 Port
+ )
+/*++
+
+Routine Description:
+
+ Read one word from a specified I/O port.
+
+Arguments:
+
+ PciIo - The pointer of EFI_PCI_IO_PROTOCOL
+ Port - IO port
+
+Returns:
+
+ A word read out
+
+--*/
+;
+
+
+VOID
+WritePortB (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT16 Port,
+ IN UINT8 Data
+ )
+/*++
+
+Routine Description:
+
+ Write one byte to a specified I/O port.
+
+Arguments:
+
+ PciIo - The pointer of EFI_PCI_IO_PROTOCOL
+ Port - IO port
+ Data - The data to write
+
+Returns:
+
+ NONE
+
+--*/
+;
+
+
+VOID
+WritePortW (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT16 Port,
+ IN UINT16 Data
+ )
+/*++
+
+Routine Description:
+
+ Write one word to a specified I/O port.
+
+Arguments:
+
+ PciIo - The pointer of EFI_PCI_IO_PROTOCOL
+ Port - IO port
+ Data - The data to write
+
+Returns:
+
+ NONE
+
+--*/
+;
+
+EFI_STATUS
+StatusDRQClear (
+ ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
+ UINT64 TimeOutInMicroSeconds
+ )
+/*++
+
+Routine Description:
+
+ Check whether DRQ is clear in the Status Register. (BSY must also be cleared)
+ If TimeoutInMicroSeconds is zero, this routine should wait infinitely for
+ DRQ clear. Otherwise, it will return EFI_TIMEOUT when specified time is
+ elapsed.
+
+Arguments:
+
+ AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV
+ TimeoutInMicroSeconds - The time to wait for
+
+Returns:
+
+ EFI_STATUS
+
+--*/
+;
+
+EFI_STATUS
+AltStatusDRQClear (
+ ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
+ UINT64 TimeOutInMicroSeconds
+ )
+/*++
+
+Routine Description:
+
+ Check whether DRQ is clear in the Alternate Status Register.
+ (BSY must also be cleared).If TimeoutInMicroSeconds is zero, this routine should
+ wait infinitely for DRQ clear. Otherwise, it will return EFI_TIMEOUT when specified time is
+ elapsed.
+
+Arguments:
+
+ AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV
+ TimeoutInMicroSeconds - The time to wait for
+
+Returns:
+
+ EFI_STATUS
+
+--*/
+;
+
+EFI_STATUS
+StatusDRQReady (
+ ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
+ UINT64 TimeOutInMicroSeconds
+ )
+/*++
+
+Routine Description:
+
+ Check whether DRQ is ready in the Status Register. (BSY must also be cleared)
+ If TimeoutInMicroSeconds is zero, this routine should wait infinitely for
+ DRQ ready. Otherwise, it will return EFI_TIMEOUT when specified time is
+ elapsed.
+
+Arguments:
+
+ AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV
+ TimeoutInMicroSeconds - The time to wait for
+
+Returns:
+
+ EFI_STATUS
+
+--*/
+;
+
+EFI_STATUS
+AltStatusDRQReady (
+ ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
+ UINT64 TimeOutInMicroSeconds
+ )
+/*++
+
+Routine Description:
+
+ Check whether DRQ is ready in the Alternate Status Register.
+ (BSY must also be cleared)
+ If TimeoutInMicroSeconds is zero, this routine should wait infinitely for
+ DRQ ready. Otherwise, it will return EFI_TIMEOUT when specified time is
+ elapsed.
+
+Arguments:
+
+ AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV
+ TimeoutInMicroSeconds - The time to wait for
+
+Returns:
+
+ EFI_STATUS
+
+--*/
+;
+
+EFI_STATUS
+StatusWaitForBSYClear (
+ ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
+ UINT64 TimeoutInMicroSeconds
+ )
+/*++
+
+Routine Description:
+
+ Check whether BSY is clear in the Status Register.
+ If TimeoutInMicroSeconds is zero, this routine should wait infinitely for
+ BSY clear. Otherwise, it will return EFI_TIMEOUT when specified time is
+ elapsed.
+
+Arguments:
+
+ AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV
+ TimeoutInMicroSeconds - The time to wait for
+
+Returns:
+
+ EFI_STATUS
+
+--*/
+;
+
+EFI_STATUS
+AltStatusWaitForBSYClear (
+ ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
+ UINT64 TimeoutInMicroSeconds
+ )
+/*++
+
+Routine Description:
+
+ Check whether BSY is clear in the Alternate Status Register.
+ If TimeoutInMicroSeconds is zero, this routine should wait infinitely for
+ BSY clear. Otherwise, it will return EFI_TIMEOUT when specified time is
+ elapsed.
+
+Arguments:
+
+ AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV
+ TimeoutInMicroSeconds - The time to wait for
+
+Returns:
+
+ EFI_STATUS
+
+--*/
+;
+
+EFI_STATUS
+StatusDRDYReady (
+ ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
+ UINT64 TimeoutInMicroSeconds
+ )
+/*++
+
+Routine Description:
+
+ Check whether DRDY is ready in the Status Register.
+ (BSY must also be cleared)
+ If TimeoutInMicroSeconds is zero, this routine should wait infinitely for
+ DRDY ready. Otherwise, it will return EFI_TIMEOUT when specified time is
+ elapsed.
+
+Arguments:
+
+ AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV
+ TimeoutInMicroSeconds - The time to wait for
+
+Returns:
+
+ EFI_STATUS
+
+--*/
+;
+
+EFI_STATUS
+AltStatusDRDYReady (
+ ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
+ UINT64 TimeoutInMicroSeconds
+ )
+/*++
+
+Routine Description:
+
+ Check whether DRDY is ready in the Alternate Status Register.
+ (BSY must also be cleared)
+ If TimeoutInMicroSeconds is zero, this routine should wait infinitely for
+ DRDY ready. Otherwise, it will return EFI_TIMEOUT when specified time is
+ elapsed.
+
+Arguments:
+
+ AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV
+ TimeoutInMicroSeconds - The time to wait for
+
+Returns:
+
+ EFI_STATUS
+
+--*/
+;
+
+EFI_STATUS
+AtapiPassThruPioReadWriteData (
+ ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
+ UINT16 *Buffer,
+ UINT32 *ByteCount,
+ DATA_DIRECTION Direction,
+ UINT64 TimeOutInMicroSeconds
+ )
+/*++
+
+Routine Description:
+
+ Performs data transfer between ATAPI device and host after the
+ ATAPI command packet is sent.
+
+Arguments:
+
+ AtapiScsiPrivate: Private data structure for the specified channel.
+ Buffer: Points to the transferred data.
+ ByteCount: When input,indicates the buffer size; when output,
+ indicates the actually transferred data size.
+ Direction: Indicates the data transfer direction.
+ TimeoutInMicroSeconds:
+ The timeout, in micro second units, to use for the
+ execution of this ATAPI command.
+ A TimeoutInMicroSeconds value of 0 means that
+ this function will wait indefinitely for the ATAPI
+ command to execute.
+ If TimeoutInMicroSeconds is greater than zero, then
+ this function will return EFI_TIMEOUT if the time
+ required to execute the ATAPI command is greater
+ than TimeoutInMicroSeconds.
+ Returns:
+
+ EFI_STATUS
+
+--*/
+;
+
+EFI_STATUS
+AtapiPassThruCheckErrorStatus (
+ ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate
+ )
+/*++
+
+Routine Description:
+
+ Check Error Register for Error Information.
+
+Arguments:
+
+ AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV
+
+Returns:
+
+ EFI_STATUS
+
+--*/
+;
+
+
+EFI_STATUS
+GetIdeRegistersBaseAddr (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ OUT IDE_REGISTERS_BASE_ADDR *IdeRegsBaseAddr
+ )
+/*++
+
+Routine Description:
+ Get IDE IO port registers' base addresses by mode. In 'Compatibility' mode,
+ use fixed addresses. In Native-PCI mode, get base addresses from BARs in
+ the PCI IDE controller's Configuration Space.
+
+Arguments:
+ PciIo - Pointer to the EFI_PCI_IO_PROTOCOL instance
+ IdeRegsBaseAddr - Pointer to IDE_REGISTERS_BASE_ADDR to
+ receive IDE IO port registers' base addresses
+
+Returns:
+
+ EFI_STATUS
+
+--*/
+;
+
+
+VOID
+InitAtapiIoPortRegisters (
+ IN ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
+ IN IDE_REGISTERS_BASE_ADDR *IdeRegsBaseAddr
+ )
+/*++
+
+Routine Description:
+
+ Initialize each Channel's Base Address of CommandBlock and ControlBlock.
+
+Arguments:
+
+ AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV
+ IdeRegsBaseAddr - The pointer of IDE_REGISTERS_BASE_ADDR
+
+Returns:
+
+ None
+
+--*/
+;
+
+/**
+ Installs Scsi Pass Thru and/or Ext Scsi Pass Thru
+ protocols based on feature flags.
+
+ @param Controller The controller handle to
+ install these protocols on.
+ @param AtapiScsiPrivate A pointer to the protocol private
+ data structure.
+
+ @retval EFI_SUCCESS The installation succeeds.
+ @retval other The installation fails.
+
+**/
+EFI_STATUS
+InstallScsiPassThruProtocols (
+ IN EFI_HANDLE *ControllerHandle,
+ IN ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate
+ );
+
+#endif
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