#include "kernel.h"

Data Structures
struct	ahci_fis_reg_h2d_t

struct	ahci_fis_reg_d2h_t

struct	ahci_fis_data_t

struct	ahci_fis_pio_setup_t

struct	ahci_fis_dma_setup_t

struct	ahci_hba_port_t

struct	ahci_hba_mem_t

struct	ahci_fis_dev_bits_t

struct	achi_hba_fis_t

struct	ahci_hba_cmd_header_t

struct	ahci_hba_prdt_entry_t

struct	achi_hba_cmd_tbl_t

Macros
#define	ATA_IDENT_DEVICETYPE 0

#define	ATA_IDENT_CYLINDERS 2

#define	ATA_IDENT_HEADS 6

#define	ATA_IDENT_SECTORS 12

#define	ATA_IDENT_SERIAL 20

#define	ATA_IDENT_MODEL 54

#define	ATA_IDENT_CAPABILITIES 98

#define	ATA_IDENT_FIELDVALID 106

#define	ATA_IDENT_MAX_LBA 120

#define	ATA_IDENT_COMMANDSETS 164

#define	ATA_IDENT_MAX_LBA_EXT 200

#define	SATA_SIG_ATA 0x00000101

#define	SATA_SIG_ATAPI 0xEB140101

#define	SATA_SIG_SEMB 0xC33C0101

#define	SATA_SIG_PM 0x96690101

#define	AHCI_DEV_NULL 0

#define	AHCI_DEV_SATA 1

#define	AHCI_DEV_SEMB 2

#define	AHCI_DEV_PM 3

#define	AHCI_DEV_SATAPI 4

#define	HBA_PORT_IPM_ACTIVE 1

#define	HBA_PORT_DET_PRESENT 3

#define	HBA_PxCMD_ST 0x0001

#define	HBA_PxCMD_FRE 0x0010

#define	HBA_PxCMD_FR 0x4000

#define	HBA_PxCMD_CR 0x8000

#define	HBA_PxIS_TFES (1 << 30)

#define	ATA_CMD_READ_DMA_EX 0x25

#define	ATA_CMD_WRITE_DMA_EX 0x35

#define	ATA_DEV_BUSY 0x80

#define	ATA_DEV_DRQ 0x08

Enumerations
enum	ahci_fis_type_t { FIS_TYPE_REG_H2D = 0x27 , FIS_TYPE_REG_D2H = 0x34 , FIS_TYPE_DMA_ACT = 0x39 , FIS_TYPE_DMA_SETUP = 0x41 , FIS_TYPE_DATA = 0x46 , FIS_TYPE_BIST = 0x58 , FIS_TYPE_PIO_SETUP = 0x5F , FIS_TYPE_DEV_BITS = 0xA1 }

Functions
struct ahci_fis_reg_h2d_t	__attribute__ ((packed)) ahci_fis_reg_h2d_t

void	init_ahci ()

Variables
uint8_t	fis_type

uint8_t	pmport

uint8_t	rsv0

uint8_t	c

uint8_t	command

uint8_t	featurel

uint8_t	lba0

uint8_t	lba1

uint8_t	lba2

uint8_t	device

uint8_t	lba3

uint8_t	lba4

uint8_t	lba5

uint8_t	featureh

uint8_t	countl

uint8_t	counth

uint8_t	icc

uint8_t	control

uint8_t	rsv1 [4]

uint8_t	i

uint8_t	status

uint8_t	error

uint8_t	rsv2

uint8_t	rsv3 [2]

uint8_t	rsv4 [4]

uint32_t	data []

uint8_t	d

uint8_t	e_status

uint16_t	tc

uint8_t	a

uint8_t	rsved [2]

uint64_t	DMAbufferID

uint32_t	rsvd

uint32_t	DMAbufOffset

uint32_t	TransferCount

uint32_t	resvd

uint32_t	clb

uint32_t	clbu

uint32_t	fb

uint32_t	fbu

uint32_t	is

uint32_t	ie

uint32_t	cmd

uint32_t	tfd

uint32_t	sig

uint32_t	ssts

uint32_t	sctl

uint32_t	serr

uint32_t	sact

uint32_t	ci

uint32_t	sntf

uint32_t	fbs

uint32_t	vendor [4]

uint32_t	cap

uint32_t	ghc

uint32_t	pi

uint32_t	vs

uint32_t	ccc_ctl

uint32_t	ccc_pts

uint32_t	em_loc

uint32_t	em_ctl

uint32_t	cap2

uint32_t	bohc

uint8_t	rsv [0xA0-0x2C]

ahci_hba_port_t	ports [1]

uint8_t	n

uint8_t	statusl

uint8_t	rsvd2

uint8_t	statush

uint8_t	rsvd3

ahci_fis_dma_setup_t	dsfis

uint8_t	pad0 [4]

ahci_fis_pio_setup_t	psfis

uint8_t	pad1 [12]

ahci_fis_reg_d2h_t	rfis

uint8_t	pad2 [4]

ahci_fis_dev_bits_t	sdbfis

uint8_t	ufis [64]

uint8_t	cfl

uint8_t	w

uint8_t	p

uint8_t	r

uint8_t	b

uint8_t	pmp

uint16_t	prdtl

volatile uint32_t	prdbc

uint32_t	ctba

uint32_t	ctbau

uint32_t	dba

uint32_t	dbau

uint32_t	dbc

uint8_t	cfis [64]

uint8_t	acmd [16]

ahci_hba_prdt_entry_t	prdt_entry [1]

Detailed Description

Author: Craig Edwards (craig.nosp@m.edwa.nosp@m.rds@b.nosp@m.rain.nosp@m.box.c.nosp@m.c)

Copyright: Copyright (c) 2012-2023

Macro Definition Documentation

◆ AHCI_DEV_NULL

#define AHCI_DEV_NULL 0

◆ AHCI_DEV_PM

#define AHCI_DEV_PM 3

◆ AHCI_DEV_SATA

#define AHCI_DEV_SATA 1

◆ AHCI_DEV_SATAPI

#define AHCI_DEV_SATAPI 4

◆ AHCI_DEV_SEMB

#define AHCI_DEV_SEMB 2

◆ ATA_CMD_READ_DMA_EX

#define ATA_CMD_READ_DMA_EX 0x25

◆ ATA_CMD_WRITE_DMA_EX

#define ATA_CMD_WRITE_DMA_EX 0x35

◆ ATA_DEV_BUSY

#define ATA_DEV_BUSY 0x80

◆ ATA_DEV_DRQ

#define ATA_DEV_DRQ 0x08

◆ ATA_IDENT_CAPABILITIES

#define ATA_IDENT_CAPABILITIES 98

◆ ATA_IDENT_COMMANDSETS

#define ATA_IDENT_COMMANDSETS 164

◆ ATA_IDENT_CYLINDERS

#define ATA_IDENT_CYLINDERS 2

◆ ATA_IDENT_DEVICETYPE

#define ATA_IDENT_DEVICETYPE 0

◆ ATA_IDENT_FIELDVALID

#define ATA_IDENT_FIELDVALID 106

◆ ATA_IDENT_HEADS

#define ATA_IDENT_HEADS 6

◆ ATA_IDENT_MAX_LBA

#define ATA_IDENT_MAX_LBA 120

◆ ATA_IDENT_MAX_LBA_EXT

#define ATA_IDENT_MAX_LBA_EXT 200

◆ ATA_IDENT_MODEL

#define ATA_IDENT_MODEL 54

◆ ATA_IDENT_SECTORS

#define ATA_IDENT_SECTORS 12

◆ ATA_IDENT_SERIAL

#define ATA_IDENT_SERIAL 20

◆ HBA_PORT_DET_PRESENT

#define HBA_PORT_DET_PRESENT 3

◆ HBA_PORT_IPM_ACTIVE

#define HBA_PORT_IPM_ACTIVE 1

◆ HBA_PxCMD_CR

#define HBA_PxCMD_CR 0x8000

◆ HBA_PxCMD_FR

#define HBA_PxCMD_FR 0x4000

◆ HBA_PxCMD_FRE

#define HBA_PxCMD_FRE 0x0010

◆ HBA_PxCMD_ST

#define HBA_PxCMD_ST 0x0001

◆ HBA_PxIS_TFES

#define HBA_PxIS_TFES (1 << 30)

◆ SATA_SIG_ATA

#define SATA_SIG_ATA 0x00000101

◆ SATA_SIG_ATAPI

#define SATA_SIG_ATAPI 0xEB140101

◆ SATA_SIG_PM

#define SATA_SIG_PM 0x96690101

◆ SATA_SIG_SEMB

#define SATA_SIG_SEMB 0xC33C0101

Enumeration Type Documentation

◆ ahci_fis_type_t

enum ahci_fis_type_t

Enumerator
FIS_TYPE_REG_H2D
FIS_TYPE_REG_D2H
FIS_TYPE_DMA_ACT
FIS_TYPE_DMA_SETUP
FIS_TYPE_DATA
FIS_TYPE_BIST
FIS_TYPE_PIO_SETUP
FIS_TYPE_DEV_BITS

Function Documentation

◆ attribute()

struct ahci_fis_reg_h2d_t __attribute__ ( (packed) )

◆ init_ahci()

void init_ahci ( )

Variable Documentation

◆ a

uint8_t a

◆ acmd

uint8_t acmd[16]

◆ b

uint8_t b

◆ bohc

uint32_t bohc

◆ c

uint8_t c

◆ cap

uint32_t cap

◆ cap2

uint32_t cap2

◆ ccc_ctl

uint32_t ccc_ctl

◆ ccc_pts

uint32_t ccc_pts

◆ cfis

uint8_t cfis[64]

◆ cfl

uint8_t cfl

◆ ci

uint32_t ci

◆ clb

uint32_t clb

◆ clbu

uint32_t clbu

◆ cmd

uint32_t cmd

◆ command

uint8_t command

◆ control

uint8_t control

◆ counth

uint8_t counth

◆ countl

uint8_t countl

◆ ctba

uint32_t ctba

◆ ctbau

uint32_t ctbau

◆ d

uint8_t d

◆ data

uint32_t data[]

◆ dba

uint32_t dba

◆ dbau

uint32_t dbau

◆ dbc

uint32_t dbc

◆ device

uint8_t device

◆ DMAbufferID

uint64_t DMAbufferID

◆ DMAbufOffset

uint32_t DMAbufOffset

◆ dsfis

ahci_fis_dma_setup_t dsfis

◆ e_status

uint8_t e_status

◆ em_ctl

uint32_t em_ctl

◆ em_loc

uint32_t em_loc

◆ error

uint8_t error

◆ fb

uint32_t fb

◆ fbs

uint32_t fbs

◆ fbu

uint32_t fbu

◆ featureh

uint8_t featureh

◆ featurel

uint8_t featurel

◆ fis_type

uint8_t fis_type

◆ ghc

uint32_t ghc

◆ i

uint32_t i

◆ icc

uint8_t icc

◆ ie

uint32_t ie

◆ is

uint32_t is

◆ lba0

uint8_t lba0

◆ lba1

uint8_t lba1

◆ lba2

uint8_t lba2

◆ lba3

uint8_t lba3

◆ lba4

uint8_t lba4

◆ lba5

uint8_t lba5

◆ n

uint8_t n

◆ p

uint8_t p

◆ pad0

uint8_t pad0[4]

◆ pad1

uint8_t pad1[12]

◆ pad2

uint8_t pad2[4]

◆ pi

uint32_t pi

◆ pmp

uint8_t pmp

◆ pmport

uint8_t pmport

◆ ports

ahci_hba_port_t ports[1]

◆ prdbc

volatile uint32_t prdbc

◆ prdt_entry

ahci_hba_prdt_entry_t prdt_entry[1]

◆ prdtl

uint16_t prdtl

◆ psfis

ahci_fis_pio_setup_t psfis

◆ r

uint8_t r

◆ resvd

uint32_t resvd

◆ rfis

ahci_fis_reg_d2h_t rfis

◆ rsv

uint8_t rsv

◆ rsv0

uint32_t rsv0

◆ rsv1

uint32_t rsv1

◆ rsv2

uint8_t rsv2

◆ rsv3

uint8_t rsv3

◆ rsv4

uint8_t rsv4

◆ rsvd

uint8_t rsvd

◆ rsvd2

uint8_t rsvd2

◆ rsvd3

uint8_t rsvd3

◆ rsved

uint8_t rsved[2]

◆ sact

uint32_t sact

◆ sctl

uint32_t sctl

◆ sdbfis

ahci_fis_dev_bits_t sdbfis

◆ serr

uint32_t serr

◆ sig

uint32_t sig

◆ sntf

uint32_t sntf

◆ ssts

uint32_t ssts

◆ status

volatile uint8_t status

◆ statush

uint8_t statush

◆ statusl

uint8_t statusl

◆ tc

uint16_t tc

◆ tfd

uint32_t tfd

◆ TransferCount

uint32_t TransferCount

◆ ufis

uint8_t ufis[64]

◆ vendor

uint8_t vendor

◆ vs

uint32_t vs

◆ w

uint8_t w

Data Structures

Macros

Enumerations

Functions

Variables