f36d6e669c
2. Get the command/control register base address for each channel through IDE common registers. 3. Correctify some return status to sync with newest Uefi Spec 2.1 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3901 6f19259b-4bc3-4df7-8a09-765794883524
898 lines
21 KiB
C
898 lines
21 KiB
C
/** @file
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Copyright (c) 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name: AtapiPassThru.h
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**/
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#ifndef _APT_H
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#define _APT_H
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#include <Uefi.h>
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#include <Protocol/ScsiPassThru.h>
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#include <Protocol/PciIo.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/BaseLib.h>
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#include <Library/UefiLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <IndustryStandard/pci22.h>
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///
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/// bit definition
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///
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#define bit(a) (1 << (a))
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#define MAX_TARGET_ID 4
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//
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// IDE Registers
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//
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typedef union {
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UINT16 Command; /* when write */
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UINT16 Status; /* when read */
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} IDE_CMD_OR_STATUS;
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typedef union {
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UINT16 Error; /* when read */
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UINT16 Feature; /* when write */
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} IDE_ERROR_OR_FEATURE;
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typedef union {
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UINT16 AltStatus; /* when read */
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UINT16 DeviceControl; /* when write */
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} IDE_AltStatus_OR_DeviceControl;
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typedef enum {
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IdePrimary = 0,
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IdeSecondary = 1,
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IdeMaxChannel = 2
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} EFI_IDE_CHANNEL;
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///
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//
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// Bit definitions in Programming Interface byte of the Class Code field
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// in PCI IDE controller's Configuration Space
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//
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#define IDE_PRIMARY_OPERATING_MODE BIT0
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#define IDE_PRIMARY_PROGRAMMABLE_INDICATOR BIT1
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#define IDE_SECONDARY_OPERATING_MODE BIT2
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#define IDE_SECONDARY_PROGRAMMABLE_INDICATOR BIT3
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#define ATAPI_MAX_CHANNEL 2
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///
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/// IDE registers set
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///
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typedef struct {
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UINT16 Data;
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IDE_ERROR_OR_FEATURE Reg1;
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UINT16 SectorCount;
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UINT16 SectorNumber;
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UINT16 CylinderLsb;
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UINT16 CylinderMsb;
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UINT16 Head;
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IDE_CMD_OR_STATUS Reg;
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IDE_AltStatus_OR_DeviceControl Alt;
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UINT16 DriveAddress;
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} IDE_BASE_REGISTERS;
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#define ATAPI_SCSI_PASS_THRU_DEV_SIGNATURE EFI_SIGNATURE_32 ('a', 's', 'p', 't')
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typedef struct {
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UINTN Signature;
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EFI_HANDLE Handle;
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EFI_SCSI_PASS_THRU_PROTOCOL ScsiPassThru;
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EFI_SCSI_PASS_THRU_MODE ScsiPassThruMode;
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EFI_PCI_IO_PROTOCOL *PciIo;
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//
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// Local Data goes here
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//
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IDE_BASE_REGISTERS *IoPort;
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IDE_BASE_REGISTERS AtapiIoPortRegisters[2];
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CHAR16 ControllerName[100];
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CHAR16 ChannelName[100];
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UINT32 LatestTargetId;
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UINT64 LatestLun;
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} ATAPI_SCSI_PASS_THRU_DEV;
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//
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// IDE registers' base addresses
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//
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typedef struct {
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UINT16 CommandBlockBaseAddr;
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UINT16 ControlBlockBaseAddr;
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} IDE_REGISTERS_BASE_ADDR;
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#define ATAPI_SCSI_PASS_THRU_DEV_FROM_THIS(a) \
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CR (a, \
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ATAPI_SCSI_PASS_THRU_DEV, \
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ScsiPassThru, \
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ATAPI_SCSI_PASS_THRU_DEV_SIGNATURE \
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)
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//
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// Global Variables
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//
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extern EFI_DRIVER_BINDING_PROTOCOL gAtapiScsiPassThruDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL gAtapiScsiPassThruComponentName;
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//
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// ATAPI Command op code
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//
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#define OP_INQUIRY 0x12
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#define OP_LOAD_UNLOAD_CD 0xa6
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#define OP_MECHANISM_STATUS 0xbd
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#define OP_MODE_SELECT_10 0x55
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#define OP_MODE_SENSE_10 0x5a
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#define OP_PAUSE_RESUME 0x4b
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#define OP_PLAY_AUDIO_10 0x45
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#define OP_PLAY_AUDIO_MSF 0x47
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#define OP_PLAY_CD 0xbc
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#define OP_PLAY_CD_MSF 0xb4
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#define OP_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e
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#define OP_READ_10 0x28
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#define OP_READ_12 0xa8
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#define OP_READ_CAPACITY 0x25
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#define OP_READ_CD 0xbe
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#define OP_READ_CD_MSF 0xb9
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#define OP_READ_HEADER 0x44
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#define OP_READ_SUB_CHANNEL 0x42
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#define OP_READ_TOC 0x43
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#define OP_REQUEST_SENSE 0x03
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#define OP_SCAN 0xba
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#define OP_SEEK_10 0x2b
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#define OP_SET_CD_SPEED 0xbb
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#define OP_STOPPLAY_SCAN 0x4e
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#define OP_START_STOP_UNIT 0x1b
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#define OP_TEST_UNIT_READY 0x00
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#define OP_FORMAT_UNIT 0x04
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#define OP_READ_FORMAT_CAPACITIES 0x23
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#define OP_VERIFY 0x2f
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#define OP_WRITE_10 0x2a
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#define OP_WRITE_12 0xaa
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#define OP_WRITE_AND_VERIFY 0x2e
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//
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// ATA Command
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//
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#define ATAPI_SOFT_RESET_CMD 0x08
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typedef enum {
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DataIn = 0,
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DataOut = 1,
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NoData = 2,
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End = 0xff
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} DATA_DIRECTION;
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typedef struct {
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UINT8 OpCode;
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DATA_DIRECTION Direction;
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} SCSI_COMMAND_SET;
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#define MAX_CHANNEL 2
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#define ValidCdbLength(Len) ((Len) == 6 || (Len) == 10 || (Len) == 12) ? 1 : 0
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//
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// IDE registers bit definitions
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//
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// ATA Err Reg bitmap
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//
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#define BBK_ERR bit (7) ///< Bad block detected
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#define UNC_ERR bit (6) ///< Uncorrectable Data
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#define MC_ERR bit (5) ///< Media Change
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#define IDNF_ERR bit (4) ///< ID Not Found
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#define MCR_ERR bit (3) ///< Media Change Requested
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#define ABRT_ERR bit (2) ///< Aborted Command
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#define TK0NF_ERR bit (1) ///< Track 0 Not Found
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#define AMNF_ERR bit (0) ///< Address Mark Not Found
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//
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// ATAPI Err Reg bitmap
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//
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#define SENSE_KEY_ERR (bit (7) | bit (6) | bit (5) | bit (4))
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#define EOM_ERR bit (1) ///< End of Media Detected
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#define ILI_ERR bit (0) ///< Illegal Length Indication
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//
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// Device/Head Reg
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//
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#define LBA_MODE bit (6)
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#define DEV bit (4)
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#define HS3 bit (3)
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#define HS2 bit (2)
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#define HS1 bit (1)
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#define HS0 bit (0)
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#define CHS_MODE (0)
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#define DRV0 (0)
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#define DRV1 (1)
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#define MST_DRV DRV0
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#define SLV_DRV DRV1
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//
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// Status Reg
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//
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#define BSY bit (7) ///< Controller Busy
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#define DRDY bit (6) ///< Drive Ready
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#define DWF bit (5) ///< Drive Write Fault
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#define DSC bit (4) ///< Disk Seek Complete
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#define DRQ bit (3) ///< Data Request
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#define CORR bit (2) ///< Corrected Data
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#define IDX bit (1) ///< Index
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#define ERR bit (0) ///< Error
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#define CHECK bit (0) ///< Check bit for ATAPI Status Reg
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//
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// Device Control Reg
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//
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#define SRST bit (2) ///< Software Reset
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#define IEN_L bit (1) ///< Interrupt Enable
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//
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// ATAPI Feature Register
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//
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#define OVERLAP bit (1)
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#define DMA bit (0)
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//
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// ATAPI Interrupt Reason Reson Reg (ATA Sector Count Register)
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//
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#define RELEASE bit (2)
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#define IO bit (1)
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#define CoD bit (0)
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#define PACKET_CMD 0xA0
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#define DEFAULT_CMD (0xa0)
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//
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// default content of device control register, disable INT
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//
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#define DEFAULT_CTL (0x0a)
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#define MAX_ATAPI_BYTE_COUNT (0xfffe)
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//
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// function prototype
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//
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EFI_STATUS
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EFIAPI
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AtapiScsiPassThruDriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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EFI_STATUS
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EFIAPI
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AtapiScsiPassThruDriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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EFI_STATUS
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EFIAPI
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AtapiScsiPassThruDriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer
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);
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//
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// EFI Component Name Functions
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//
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EFI_STATUS
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EFIAPI
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AtapiScsiPassThruComponentNameGetDriverName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN CHAR8 *Language,
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OUT CHAR16 **DriverName
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);
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EFI_STATUS
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EFIAPI
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AtapiScsiPassThruComponentNameGetControllerName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_HANDLE ChildHandle OPTIONAL,
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IN CHAR8 *Language,
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OUT CHAR16 **ControllerName
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);
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/**
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AtapiScsiPassThruDriverEntryPoint
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@param ImageHandle
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@param SystemTable
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@todo Add function description
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@todo ImageHandle - add argument description
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@todo SystemTable - add argument description
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@todo add return values
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--*/
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EFI_STATUS
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EFIAPI
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AtapiScsiPassThruDriverEntryPoint (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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;
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/**
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RegisterAtapiScsiPassThru
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@param This
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@param Controller
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@param PciIo
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@todo Add function description
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@todo This add argument description
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@todo Controller add argument description
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@todo PciIo add argument description
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@todo add return values
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**/
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EFI_STATUS
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RegisterAtapiScsiPassThru (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_PCI_IO_PROTOCOL *PciIo
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)
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;
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/**
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AtapiScsiPassThruFunction
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@param This
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@param Target
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@param Lun
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@param Packet
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@param Event
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@todo Add function description
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@todo This - add argument description
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@todo Target - add argument description
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@todo Lun - add argument description
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@todo Packet - add argument description
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@todo Event - add argument description
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@todo add return values
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**/
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EFI_STATUS
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EFIAPI
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AtapiScsiPassThruFunction (
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IN EFI_SCSI_PASS_THRU_PROTOCOL *This,
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IN UINT32 Target,
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IN UINT64 Lun,
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IN OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet,
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IN EFI_EVENT Event OPTIONAL
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)
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;
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/**
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AtapiScsiPassThruGetNextDevice
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TODO: Add function description
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@param This TODO: add argument description
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@param Target TODO: add argument description
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@param Lun TODO: add argument description
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TODO: add return values
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**/
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EFI_STATUS
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EFIAPI
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AtapiScsiPassThruGetNextDevice (
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IN EFI_SCSI_PASS_THRU_PROTOCOL *This,
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IN OUT UINT32 *Target,
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IN OUT UINT64 *Lun
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)
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;
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/**
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AtapiScsiPassThruBuildDevicePath
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TODO: Add function description
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@param This TODO: add argument description
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@param Target TODO: add argument description
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@param Lun TODO: add argument description
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@param DevicePath TODO: add argument description
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TODO: add return values
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**/
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EFI_STATUS
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EFIAPI
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AtapiScsiPassThruBuildDevicePath (
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IN EFI_SCSI_PASS_THRU_PROTOCOL *This,
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IN UINT32 Target,
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IN UINT64 Lun,
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IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
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)
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;
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/**
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AtapiScsiPassThruGetTargetLun
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TODO: Add function description
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@param This TODO: add argument description
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@param DevicePath TODO: add argument description
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@param Target TODO: add argument description
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@param Lun TODO: add argument description
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TODO: add return values
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**/
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EFI_STATUS
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EFIAPI
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AtapiScsiPassThruGetTargetLun (
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IN EFI_SCSI_PASS_THRU_PROTOCOL *This,
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IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
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OUT UINT32 *Target,
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OUT UINT64 *Lun
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)
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;
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/**
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AtapiScsiPassThruResetChannel
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TODO: Add function description
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@param This TODO: add argument description
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TODO: add return values
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**/
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EFI_STATUS
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EFIAPI
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AtapiScsiPassThruResetChannel (
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IN EFI_SCSI_PASS_THRU_PROTOCOL *This
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)
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;
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/**
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AtapiScsiPassThruResetTarget
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TODO: Add function description
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@param This TODO: add argument description
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@param Target TODO: add argument description
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@param Lun TODO: add argument description
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TODO: add return values
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**/
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EFI_STATUS
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EFIAPI
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AtapiScsiPassThruResetTarget (
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IN EFI_SCSI_PASS_THRU_PROTOCOL *This,
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IN UINT32 Target,
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IN UINT64 Lun
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)
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;
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/**
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CheckSCSIRequestPacket
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TODO: Add function description
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@param Packet TODO: add argument description
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TODO: add return values
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**/
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EFI_STATUS
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CheckSCSIRequestPacket (
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EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet
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)
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;
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/**
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SubmitBlockingIoCommand
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TODO: Add function description
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@param AtapiScsiPrivate TODO: add argument description
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@param Target TODO: add argument description
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@param Packet TODO: add argument description
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TODO: add return values
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**/
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EFI_STATUS
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SubmitBlockingIoCommand (
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ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
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UINT32 Target,
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EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet
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)
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;
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/**
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IsCommandValid
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TODO: Add function description
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@param Packet - TODO: add argument description
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@return TODO: add return values
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--*/
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BOOLEAN
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IsCommandValid (
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EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet
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)
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;
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/**
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RequestSenseCommand
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TODO: Add function description
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@param AtapiScsiPrivate TODO: add argument description
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@param Target TODO: add argument description
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@param Timeout TODO: add argument description
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@param SenseData TODO: add argument description
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@param SenseDataLength TODO: add argument description
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TODO: add return values
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**/
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EFI_STATUS
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RequestSenseCommand (
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ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
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UINT32 Target,
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UINT64 Timeout,
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VOID *SenseData,
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UINT8 *SenseDataLength
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)
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;
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/**
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AtapiPacketCommand
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TODO: Add function description
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@param AtapiScsiPrivate TODO: add argument description
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@param Target TODO: add argument description
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@param PacketCommand TODO: add argument description
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@param Buffer TODO: add argument description
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@param ByteCount TODO: add argument description
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@param Direction TODO: add argument description
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@param TimeOutInMicroSeconds TODO: add argument description
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TODO: add return values
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|
**/
|
|
EFI_STATUS
|
|
AtapiPacketCommand (
|
|
ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
|
|
UINT32 Target,
|
|
UINT8 *PacketCommand,
|
|
VOID *Buffer,
|
|
UINT32 *ByteCount,
|
|
DATA_DIRECTION Direction,
|
|
UINT64 TimeOutInMicroSeconds
|
|
)
|
|
;
|
|
|
|
|
|
/**
|
|
ReadPortB
|
|
|
|
TODO: Add function description
|
|
|
|
@param PciIo TODO: add argument description
|
|
@param Port TODO: add argument description
|
|
|
|
TODO: add return values
|
|
|
|
**/
|
|
UINT8
|
|
ReadPortB (
|
|
IN EFI_PCI_IO_PROTOCOL *PciIo,
|
|
IN UINT16 Port
|
|
)
|
|
;
|
|
|
|
|
|
/**
|
|
ReadPortW
|
|
|
|
TODO: Add function description
|
|
|
|
@param PciIo TODO: add argument description
|
|
@param Port TODO: add argument description
|
|
|
|
TODO: add return values
|
|
|
|
**/
|
|
UINT16
|
|
ReadPortW (
|
|
IN EFI_PCI_IO_PROTOCOL *PciIo,
|
|
IN UINT16 Port
|
|
)
|
|
;
|
|
|
|
|
|
/**
|
|
WritePortB
|
|
|
|
TODO: Add function description
|
|
|
|
@param PciIo TODO: add argument description
|
|
@param Port TODO: add argument description
|
|
@param Data TODO: add argument description
|
|
|
|
TODO: add return values
|
|
|
|
**/
|
|
VOID
|
|
WritePortB (
|
|
IN EFI_PCI_IO_PROTOCOL *PciIo,
|
|
IN UINT16 Port,
|
|
IN UINT8 Data
|
|
)
|
|
;
|
|
|
|
|
|
/**
|
|
WritePortW
|
|
|
|
TODO: Add function description
|
|
|
|
@param PciIo TODO: add argument description
|
|
@param Port TODO: add argument description
|
|
@param Data TODO: add argument description
|
|
|
|
TODO: add return values
|
|
|
|
**/
|
|
VOID
|
|
WritePortW (
|
|
IN EFI_PCI_IO_PROTOCOL *PciIo,
|
|
IN UINT16 Port,
|
|
IN UINT16 Data
|
|
)
|
|
;
|
|
|
|
/**
|
|
StatusDRQClear
|
|
|
|
TODO: Add function description
|
|
|
|
@param AtapiScsiPrivate TODO: add argument description
|
|
@param TimeOutInMicroSeconds TODO: add argument description
|
|
|
|
TODO: add return values
|
|
|
|
**/
|
|
EFI_STATUS
|
|
StatusDRQClear (
|
|
ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
|
|
UINT64 TimeOutInMicroSeconds
|
|
)
|
|
;
|
|
|
|
/**
|
|
AltStatusDRQClear
|
|
|
|
TODO: Add function description
|
|
|
|
@param AtapiScsiPrivate TODO: add argument description
|
|
@param TimeOutInMicroSeconds TODO: add argument description
|
|
|
|
TODO: add return values
|
|
|
|
**/
|
|
EFI_STATUS
|
|
AltStatusDRQClear (
|
|
ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
|
|
UINT64 TimeOutInMicroSeconds
|
|
)
|
|
;
|
|
|
|
/**
|
|
StatusDRQReady
|
|
|
|
TODO: Add function description
|
|
|
|
@param AtapiScsiPrivate TODO: add argument description
|
|
@param TimeOutInMicroSeconds TODO: add argument description
|
|
|
|
TODO: add return values
|
|
|
|
**/
|
|
EFI_STATUS
|
|
StatusDRQReady (
|
|
ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
|
|
UINT64 TimeOutInMicroSeconds
|
|
)
|
|
;
|
|
|
|
/**
|
|
AltStatusDRQReady
|
|
|
|
TODO: Add function description
|
|
|
|
@param AtapiScsiPrivate TODO: add argument description
|
|
@param TimeOutInMicroSeconds TODO: add argument description
|
|
|
|
TODO: add return values
|
|
|
|
**/
|
|
EFI_STATUS
|
|
AltStatusDRQReady (
|
|
ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
|
|
UINT64 TimeOutInMicroSeconds
|
|
)
|
|
;
|
|
|
|
/**
|
|
TODO: Add function description
|
|
|
|
@param AtapiScsiPrivate TODO: add argument description
|
|
@param TimeoutInMicroSeconds TODO: add argument description
|
|
|
|
TODO: add return values
|
|
|
|
**/
|
|
EFI_STATUS
|
|
StatusWaitForBSYClear (
|
|
ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
|
|
UINT64 TimeoutInMicroSeconds
|
|
)
|
|
;
|
|
|
|
/**
|
|
TODO: Add function description
|
|
|
|
@param AtapiScsiPrivate TODO: add argument description
|
|
@param TimeoutInMicroSeconds TODO: add argument description
|
|
|
|
TODO: add return values
|
|
|
|
**/
|
|
EFI_STATUS
|
|
AltStatusWaitForBSYClear (
|
|
ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
|
|
UINT64 TimeoutInMicroSeconds
|
|
)
|
|
;
|
|
|
|
/**
|
|
TODO: Add function description
|
|
|
|
@param AtapiScsiPrivate TODO: add argument description
|
|
@param TimeoutInMicroSeconds TODO: add argument description
|
|
|
|
TODO: add return values
|
|
|
|
**/
|
|
EFI_STATUS
|
|
StatusDRDYReady (
|
|
ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
|
|
UINT64 TimeoutInMicroSeconds
|
|
)
|
|
;
|
|
|
|
/**
|
|
TODO: Add function description
|
|
|
|
@param AtapiScsiPrivate TODO: add argument description
|
|
@param TimeoutInMicroSeconds TODO: add argument description
|
|
|
|
TODO: add return values
|
|
|
|
**/
|
|
EFI_STATUS
|
|
AltStatusDRDYReady (
|
|
ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
|
|
UINT64 TimeoutInMicroSeconds
|
|
)
|
|
;
|
|
|
|
/**
|
|
TODO: Add function description
|
|
|
|
@param AtapiScsiPrivate TODO: add argument description
|
|
@param Buffer TODO: add argument description
|
|
@param ByteCount TODO: add argument description
|
|
@param Direction TODO: add argument description
|
|
@param TimeOutInMicroSeconds TODO: add argument description
|
|
|
|
TODO: add return values
|
|
|
|
**/
|
|
EFI_STATUS
|
|
AtapiPassThruPioReadWriteData (
|
|
ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,
|
|
UINT16 *Buffer,
|
|
UINT32 *ByteCount,
|
|
DATA_DIRECTION Direction,
|
|
UINT64 TimeOutInMicroSeconds
|
|
)
|
|
;
|
|
|
|
/**
|
|
TODO: Add function description
|
|
|
|
@param AtapiScsiPrivate TODO: add argument description
|
|
|
|
TODO: add return values
|
|
|
|
**/
|
|
EFI_STATUS
|
|
AtapiPassThruCheckErrorStatus (
|
|
ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate
|
|
)
|
|
;
|
|
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
|
|
|
|
--*/
|
|
;
|
|
|
|
#endif
|