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/** @file
Header file for AHCI mode of ATA host controller.
Copyright (c) 2010 - 2020, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __ATA_HC_AHCI_MODE_H__
#define __ATA_HC_AHCI_MODE_H__
#define EFI_AHCI_BAR_INDEX 0x05
#define EFI_AHCI_CAPABILITY_OFFSET 0x0000
#define EFI_AHCI_CAP_SAM BIT18
#define EFI_AHCI_CAP_SSS BIT27
#define EFI_AHCI_CAP_S64A BIT31
#define EFI_AHCI_GHC_OFFSET 0x0004
#define EFI_AHCI_GHC_RESET BIT0
#define EFI_AHCI_GHC_IE BIT1
#define EFI_AHCI_GHC_ENABLE BIT31
#define EFI_AHCI_IS_OFFSET 0x0008
#define EFI_AHCI_PI_OFFSET 0x000C
#define EFI_AHCI_MAX_PORTS 32
#define AHCI_CAPABILITY2_OFFSET 0x0024
#define AHCI_CAP2_SDS BIT3
#define AHCI_CAP2_SADM BIT4
typedef struct {
UINT32 Lower32;
UINT32 Upper32;
} DATA_32;
typedef union {
DATA_32 Uint32;
UINT64 Uint64;
} DATA_64;
//
// Refer SATA1.0a spec section 5.2, the Phy detection time should be less than 10ms.
// Add a bit of margin for robustness.
//
#define EFI_AHCI_BUS_PHY_DETECT_TIMEOUT 15
//
// Refer SATA1.0a spec, the FIS enable time should be less than 500ms.
//
#define EFI_AHCI_PORT_CMD_FR_CLEAR_TIMEOUT EFI_TIMER_PERIOD_MILLISECONDS(500)
//
// Refer SATA1.0a spec, the bus reset time should be less than 1s.
//
#define EFI_AHCI_BUS_RESET_TIMEOUT EFI_TIMER_PERIOD_SECONDS(1)
#define EFI_AHCI_ATAPI_DEVICE_SIG 0xEB140000
#define EFI_AHCI_ATA_DEVICE_SIG 0x00000000
#define EFI_AHCI_PORT_MULTIPLIER_SIG 0x96690000
#define EFI_AHCI_ATAPI_SIG_MASK 0xFFFF0000
//
// Each PRDT entry can point to a memory block up to 4M byte
//
#define EFI_AHCI_MAX_DATA_PER_PRDT 0x400000
#define EFI_AHCI_FIS_REGISTER_H2D 0x27 // Register FIS - Host to Device
#define EFI_AHCI_FIS_REGISTER_H2D_LENGTH 20
#define EFI_AHCI_FIS_REGISTER_D2H 0x34 // Register FIS - Device to Host
#define EFI_AHCI_FIS_REGISTER_D2H_LENGTH 20
#define EFI_AHCI_FIS_DMA_ACTIVATE 0x39 // DMA Activate FIS - Device to Host
#define EFI_AHCI_FIS_DMA_ACTIVATE_LENGTH 4
#define EFI_AHCI_FIS_DMA_SETUP 0x41 // DMA Setup FIS - Bi-directional
#define EFI_AHCI_FIS_DMA_SETUP_LENGTH 28
#define EFI_AHCI_FIS_DATA 0x46 // Data FIS - Bi-directional
#define EFI_AHCI_FIS_BIST 0x58 // BIST Activate FIS - Bi-directional
#define EFI_AHCI_FIS_BIST_LENGTH 12
#define EFI_AHCI_FIS_PIO_SETUP 0x5F // PIO Setup FIS - Device to Host
#define EFI_AHCI_FIS_PIO_SETUP_LENGTH 20
#define EFI_AHCI_FIS_SET_DEVICE 0xA1 // Set Device Bits FIS - Device to Host
#define EFI_AHCI_FIS_SET_DEVICE_LENGTH 8
#define EFI_AHCI_D2H_FIS_OFFSET 0x40
#define EFI_AHCI_DMA_FIS_OFFSET 0x00
#define EFI_AHCI_PIO_FIS_OFFSET 0x20
#define EFI_AHCI_SDB_FIS_OFFSET 0x58
#define EFI_AHCI_FIS_TYPE_MASK 0xFF
#define EFI_AHCI_U_FIS_OFFSET 0x60
//
// Port register
//
#define EFI_AHCI_PORT_START 0x0100
#define EFI_AHCI_PORT_REG_WIDTH 0x0080
#define EFI_AHCI_PORT_CLB 0x0000
#define EFI_AHCI_PORT_CLBU 0x0004
#define EFI_AHCI_PORT_FB 0x0008
#define EFI_AHCI_PORT_FBU 0x000C
#define EFI_AHCI_PORT_IS 0x0010
#define EFI_AHCI_PORT_IS_DHRS BIT0
#define EFI_AHCI_PORT_IS_PSS BIT1
#define EFI_AHCI_PORT_IS_DSS BIT2
#define EFI_AHCI_PORT_IS_SDBS BIT3
#define EFI_AHCI_PORT_IS_UFS BIT4
#define EFI_AHCI_PORT_IS_DPS BIT5
#define EFI_AHCI_PORT_IS_PCS BIT6
#define EFI_AHCI_PORT_IS_DIS BIT7
#define EFI_AHCI_PORT_IS_PRCS BIT22
#define EFI_AHCI_PORT_IS_IPMS BIT23
#define EFI_AHCI_PORT_IS_OFS BIT24
#define EFI_AHCI_PORT_IS_INFS BIT26
#define EFI_AHCI_PORT_IS_IFS BIT27
#define EFI_AHCI_PORT_IS_HBDS BIT28
#define EFI_AHCI_PORT_IS_HBFS BIT29
#define EFI_AHCI_PORT_IS_TFES BIT30
#define EFI_AHCI_PORT_IS_CPDS BIT31
#define EFI_AHCI_PORT_IS_CLEAR 0xFFFFFFFF
#define EFI_AHCI_PORT_IS_FIS_CLEAR 0x0000000F
#define EFI_AHCI_PORT_IS_ERROR_MASK (EFI_AHCI_PORT_IS_INFS | EFI_AHCI_PORT_IS_IFS | EFI_AHCI_PORT_IS_HBDS | EFI_AHCI_PORT_IS_HBFS | EFI_AHCI_PORT_IS_TFES)
#define EFI_AHCI_PORT_IS_FATAL_ERROR_MASK (EFI_AHCI_PORT_IS_IFS | EFI_AHCI_PORT_IS_HBDS | EFI_AHCI_PORT_IS_HBFS | EFI_AHCI_PORT_IS_TFES)
#define EFI_AHCI_PORT_IE 0x0014
#define EFI_AHCI_PORT_CMD 0x0018
#define EFI_AHCI_PORT_CMD_ST_MASK 0xFFFFFFFE
#define EFI_AHCI_PORT_CMD_ST BIT0
#define EFI_AHCI_PORT_CMD_SUD BIT1
#define EFI_AHCI_PORT_CMD_POD BIT2
#define EFI_AHCI_PORT_CMD_CLO BIT3
#define EFI_AHCI_PORT_CMD_FRE BIT4
#define EFI_AHCI_PORT_CMD_CCS_MASK (BIT8 | BIT9 | BIT10 | BIT11 | BIT12)
#define EFI_AHCI_PORT_CMD_CCS_SHIFT 8
#define EFI_AHCI_PORT_CMD_FR BIT14
#define EFI_AHCI_PORT_CMD_CR BIT15
#define EFI_AHCI_PORT_CMD_MASK ~(EFI_AHCI_PORT_CMD_ST | EFI_AHCI_PORT_CMD_FRE | EFI_AHCI_PORT_CMD_COL)
#define EFI_AHCI_PORT_CMD_PMA BIT17
#define EFI_AHCI_PORT_CMD_HPCP BIT18
#define EFI_AHCI_PORT_CMD_MPSP BIT19
#define EFI_AHCI_PORT_CMD_CPD BIT20
#define EFI_AHCI_PORT_CMD_ESP BIT21
#define EFI_AHCI_PORT_CMD_ATAPI BIT24
#define EFI_AHCI_PORT_CMD_DLAE BIT25
#define EFI_AHCI_PORT_CMD_ALPE BIT26
#define EFI_AHCI_PORT_CMD_ASP BIT27
#define EFI_AHCI_PORT_CMD_ICC_MASK (BIT28 | BIT29 | BIT30 | BIT31)
#define EFI_AHCI_PORT_CMD_ACTIVE (1 << 28 )
#define EFI_AHCI_PORT_TFD 0x0020
#define EFI_AHCI_PORT_TFD_MASK (BIT7 | BIT3 | BIT0)
#define EFI_AHCI_PORT_TFD_BSY BIT7
#define EFI_AHCI_PORT_TFD_DRQ BIT3
#define EFI_AHCI_PORT_TFD_ERR BIT0
#define EFI_AHCI_PORT_TFD_ERR_MASK 0x00FF00
#define EFI_AHCI_PORT_SIG 0x0024
#define EFI_AHCI_PORT_SSTS 0x0028
#define EFI_AHCI_PORT_SSTS_DET_MASK 0x000F
#define EFI_AHCI_PORT_SSTS_DET 0x0001
#define EFI_AHCI_PORT_SSTS_DET_PCE 0x0003
#define EFI_AHCI_PORT_SSTS_SPD_MASK 0x00F0
#define EFI_AHCI_PORT_SCTL 0x002C
#define EFI_AHCI_PORT_SCTL_DET_MASK 0x000F
#define EFI_AHCI_PORT_SCTL_MASK (~EFI_AHCI_PORT_SCTL_DET_MASK)
#define EFI_AHCI_PORT_SCTL_DET_INIT 0x0001
#define EFI_AHCI_PORT_SCTL_DET_PHYCOMM 0x0003
#define EFI_AHCI_PORT_SCTL_SPD_MASK 0x00F0
#define EFI_AHCI_PORT_SCTL_IPM_MASK 0x0F00
#define EFI_AHCI_PORT_SCTL_IPM_INIT 0x0300
#define EFI_AHCI_PORT_SCTL_IPM_PSD 0x0100
#define EFI_AHCI_PORT_SCTL_IPM_SSD 0x0200
#define EFI_AHCI_PORT_SERR 0x0030
#define EFI_AHCI_PORT_SERR_RDIE BIT0
#define EFI_AHCI_PORT_SERR_RCE BIT1
#define EFI_AHCI_PORT_SERR_TDIE BIT8
#define EFI_AHCI_PORT_SERR_PCDIE BIT9
#define EFI_AHCI_PORT_SERR_PE BIT10
#define EFI_AHCI_PORT_SERR_IE BIT11
#define EFI_AHCI_PORT_SERR_PRC BIT16
#define EFI_AHCI_PORT_SERR_PIE BIT17
#define EFI_AHCI_PORT_SERR_CW BIT18
#define EFI_AHCI_PORT_SERR_BDE BIT19
#define EFI_AHCI_PORT_SERR_DE BIT20
#define EFI_AHCI_PORT_SERR_CRCE BIT21
#define EFI_AHCI_PORT_SERR_HE BIT22
#define EFI_AHCI_PORT_SERR_LSE BIT23
#define EFI_AHCI_PORT_SERR_TSTE BIT24
#define EFI_AHCI_PORT_SERR_UFT BIT25
#define EFI_AHCI_PORT_SERR_EX BIT26
#define EFI_AHCI_PORT_ERR_CLEAR 0xFFFFFFFF
#define EFI_AHCI_PORT_SACT 0x0034
#define EFI_AHCI_PORT_CI 0x0038
#define EFI_AHCI_PORT_SNTF 0x003C
#define AHCI_PORT_DEVSLP 0x0044
#define AHCI_PORT_DEVSLP_ADSE BIT0
#define AHCI_PORT_DEVSLP_DSP BIT1
#define AHCI_PORT_DEVSLP_DETO_MASK 0x000003FC
#define AHCI_PORT_DEVSLP_MDAT_MASK 0x00007C00
#define AHCI_PORT_DEVSLP_DITO_MASK 0x01FF8000
#define AHCI_PORT_DEVSLP_DM_MASK 0x1E000000
#define AHCI_COMMAND_RETRIES 5
#pragma pack(1)
//
// Command List structure includes total 32 entries.
// The entry data structure is listed at the following.
//
typedef struct {
UINT32 AhciCmdCfl : 5; // Command FIS Length
UINT32 AhciCmdA : 1; // ATAPI
UINT32 AhciCmdW : 1; // Write
UINT32 AhciCmdP : 1; // Prefetchable
UINT32 AhciCmdR : 1; // Reset
UINT32 AhciCmdB : 1; // BIST
UINT32 AhciCmdC : 1; // Clear Busy upon R_OK
UINT32 AhciCmdRsvd : 1;
UINT32 AhciCmdPmp : 4; // Port Multiplier Port
UINT32 AhciCmdPrdtl : 16; // Physical Region Descriptor Table Length
UINT32 AhciCmdPrdbc; // Physical Region Descriptor Byte Count
UINT32 AhciCmdCtba; // Command Table Descriptor Base Address
UINT32 AhciCmdCtbau; // Command Table Descriptor Base Address Upper 32-BITs
UINT32 AhciCmdRsvd1[4];
} EFI_AHCI_COMMAND_LIST;
//
// This is a software constructed FIS.
// For data transfer operations, this is the H2D Register FIS format as
// specified in the Serial ATA Revision 2.6 specification.
//
typedef struct {
UINT8 AhciCFisType;
UINT8 AhciCFisPmNum : 4;
UINT8 AhciCFisRsvd : 1;
UINT8 AhciCFisRsvd1 : 1;
UINT8 AhciCFisRsvd2 : 1;
UINT8 AhciCFisCmdInd : 1;
UINT8 AhciCFisCmd;
UINT8 AhciCFisFeature;
UINT8 AhciCFisSecNum;
UINT8 AhciCFisClyLow;
UINT8 AhciCFisClyHigh;
UINT8 AhciCFisDevHead;
UINT8 AhciCFisSecNumExp;
UINT8 AhciCFisClyLowExp;
UINT8 AhciCFisClyHighExp;
UINT8 AhciCFisFeatureExp;
UINT8 AhciCFisSecCount;
UINT8 AhciCFisSecCountExp;
UINT8 AhciCFisRsvd3;
UINT8 AhciCFisControl;
UINT8 AhciCFisRsvd4[4];
UINT8 AhciCFisRsvd5[44];
} EFI_AHCI_COMMAND_FIS;
typedef enum {
SataFisD2H = 0,
SataFisPioSetup,
SataFisDmaSetup
} SATA_FIS_TYPE;
//
// ACMD: ATAPI command (12 or 16 bytes)
//
typedef struct {
UINT8 AtapiCmd[0x10];
} EFI_AHCI_ATAPI_COMMAND;
//
// Physical Region Descriptor Table includes up to 65535 entries
// The entry data structure is listed at the following.
// the actual entry number comes from the PRDTL field in the command
// list entry for this command slot.
//
typedef struct {
UINT32 AhciPrdtDba; // Data Base Address
UINT32 AhciPrdtDbau; // Data Base Address Upper 32-BITs
UINT32 AhciPrdtRsvd;
UINT32 AhciPrdtDbc : 22; // Data Byte Count
UINT32 AhciPrdtRsvd1 : 9;
UINT32 AhciPrdtIoc : 1; // Interrupt on Completion
} EFI_AHCI_COMMAND_PRDT;
//
// Command table data structure which is pointed to by the entry in the command list
//
typedef struct {
EFI_AHCI_COMMAND_FIS CommandFis; // A software constructed FIS.
EFI_AHCI_ATAPI_COMMAND AtapiCmd; // 12 or 16 bytes ATAPI cmd.
UINT8 Reserved[0x30];
EFI_AHCI_COMMAND_PRDT PrdtTable[65535]; // The scatter/gather list for data transfer
} EFI_AHCI_COMMAND_TABLE;
//
// Received FIS structure
//
typedef struct {
UINT8 AhciDmaSetupFis[0x1C]; // Dma Setup Fis: offset 0x00
UINT8 AhciDmaSetupFisRsvd[0x04];
UINT8 AhciPioSetupFis[0x14]; // Pio Setup Fis: offset 0x20
UINT8 AhciPioSetupFisRsvd[0x0C];
UINT8 AhciD2HRegisterFis[0x14]; // D2H Register Fis: offset 0x40
UINT8 AhciD2HRegisterFisRsvd[0x04];
UINT64 AhciSetDeviceBitsFis; // Set Device Bits Fix: offset 0x58
UINT8 AhciUnknownFis[0x40]; // Unknown Fis: offset 0x60
UINT8 AhciUnknownFisRsvd[0x60];
} EFI_AHCI_RECEIVED_FIS;
typedef struct {
UINT8 Madt : 5;
UINT8 Reserved_5 : 3;
UINT8 Deto;
UINT16 Reserved_16;
UINT32 Reserved_32 : 31;
UINT32 Supported : 1;
} DEVSLP_TIMING_VARIABLES;
#pragma pack()
typedef struct {
EFI_AHCI_RECEIVED_FIS *AhciRFis;
EFI_AHCI_COMMAND_LIST *AhciCmdList;
EFI_AHCI_COMMAND_TABLE *AhciCommandTable;
EFI_AHCI_RECEIVED_FIS *AhciRFisPciAddr;
EFI_AHCI_COMMAND_LIST *AhciCmdListPciAddr;
EFI_AHCI_COMMAND_TABLE *AhciCommandTablePciAddr;
UINT64 MaxCommandListSize;
UINT64 MaxCommandTableSize;
UINT64 MaxReceiveFisSize;
VOID *MapRFis;
VOID *MapCmdList;
VOID *MapCommandTable;
} EFI_AHCI_REGISTERS;
/**
This function is used to send out ATAPI commands conforms to the Packet Command
with PIO Protocol.
@param PciIo The PCI IO protocol instance.
@param AhciRegisters The pointer to the EFI_AHCI_REGISTERS.
@param Port The number of port.
@param PortMultiplier The number of port multiplier.
@param Packet A pointer to EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET structure.
@retval EFI_SUCCESS send out the ATAPI packet command successfully
and device sends data successfully.
@retval EFI_DEVICE_ERROR the device failed to send data.
**/
EFI_STATUS
EFIAPI
AhciPacketCommandExecute (
IN EFI_PCI_IO_PROTOCOL *PciIo,
IN EFI_AHCI_REGISTERS *AhciRegisters,
IN UINT8 Port,
IN UINT8 PortMultiplier,
IN EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet
);
/**
Start command for give slot on specific port.
@param PciIo The PCI IO protocol instance.
@param Port The number of port.
@param CommandSlot The number of CommandSlot.
@param Timeout The timeout value of start, uses 100ns as a unit.
@retval EFI_DEVICE_ERROR The command start unsuccessfully.
@retval EFI_TIMEOUT The operation is time out.
@retval EFI_SUCCESS The command start successfully.
**/
EFI_STATUS
EFIAPI
AhciStartCommand (
IN EFI_PCI_IO_PROTOCOL *PciIo,
IN UINT8 Port,
IN UINT8 CommandSlot,
IN UINT64 Timeout
);
/**
Stop command running for giving port
@param PciIo The PCI IO protocol instance.
@param Port The number of port.
@param Timeout The timeout value of stop, uses 100ns as a unit.
@retval EFI_DEVICE_ERROR The command stop unsuccessfully.
@retval EFI_TIMEOUT The operation is time out.
@retval EFI_SUCCESS The command stop successfully.
**/
EFI_STATUS
EFIAPI
AhciStopCommand (
IN EFI_PCI_IO_PROTOCOL *PciIo,
IN UINT8 Port,
IN UINT64 Timeout
);
#endif
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