Unit AHCI

Description

Uses

Classes, Interfaces, Objects and Records

Functions and Procedures

Types

Constants

Variables

Description

Drivers->Storage->AHCI - AHCI SATA Driver.

Overview

Classes, Interfaces, Objects and Records

Name	Description
Record `TSataDevice`

Functions and Procedures

procedure init();

procedure check_ports(controller : uint8);

procedure enable_cmd(port : uint8);

procedure disable_cmd(port : uint8);

procedure port_rebase(port : uint8);

function load(ptr:void): boolean;

function read(port : uint8; startl : uint32; starth : uint32; count : uint32; buf : PuInt32) : boolean;

function write(port : uint8; startl : uint32; starth : uint32; count : uint32; buf : PuInt32) : boolean;

function find_cmd_slot(port : uint8) : uint32;

Types

TFIS_Type = (...);

PFIS_REG_H2D = ˆTFIS_REG_H2D;

TFIS_REG_H2D = bitpacked record
fis_type : uint8;
port_mult : UBit4;
rsv0 : UBit3;
coc : boolean;
command : uint8;
feature_low : uint8;
lba0 : uint8;
lba1 : uint8;
lba2 : uint8;
device : uint8;
lba3 : uint8;
lba4 : uint8;
lba5 : uint8;
feature_high : uint8;
count_low : uint8;
count_high : uint8;
icc : uint8;
control : uint8;
rsvl : uint32;
end;

TFIS_REG_D2H = bitpacked record
fis_type : uint8;
port_mult : UBit4;
rsv0 : UBit2;
i : boolean;
rsvl : boolean;
status : uint8;
error : uint8;
lba0 : uint8;
lba1 : uint8;
lba2 : uint8;
device : uint8;
lba3 : uint8;
lba4 : uint8;
lba5 : uint8;
rsv2 : uint8;
count_low : uint8;
count_high : uint8;
rsv3 : uint16;
rsv4 : uint32;
end;

TFIS_Data = bitpacked record
fis_type : uint8;
port_mult : UBit4;
rsv0 : UBit4;
rsv1 : uint16;
data : ˆuint32;
end;

TFIS_PIO_Setup = bitpacked record
fis_type : uint8;
pmport : UBit4;
rsv0 : boolean;
d : boolean;
i : boolean;
rsv1 : boolean;
status : uint8;
error : uint8;
lba0 : uint8;
lba1 : uint8;
lba2 : uint8;
device : uint8;
lba3 : uint8;
lba4 : uint8;
lba5 : uint8;
rsv2 : uint8;
countl : uint8;
counth : uint8;
rsv3 : uint8;
e_status : uint8;
tc : uint16;
rsv4 : uint16;
end;

PHBA_PORT = ˆTHBA_PORT;

THBA_PORT = bitpacked record
clb : uint32;
clbu : uint32;
fb : uint32;
fbu : uint32;
istat : uint32;
ie : uint32;
cmd : uint32;
rsv0 : uint32;
tfd : uint32;
sig : uint32;
ssts : uint32;
sctl : uint32;
serr : uint32;
sact : uint32;
ci : uint32;
sntf : uint32;
fbs : uint32;
rsv1 : array[0..11] of uint32;
vendor : array[0..4] of uint32;
end;

THBA_MEM = bitpacked record
cap : uint32;
global_host_control : uint32;
interrupt_status : uint32;
port_implemented : uint32;
version : uint32;
ccc_control : uint32;
ccc_ports : uint32;
em_location : uint32;
em_Control : uint32;
hcap2 : uint32;
bohc : uint32;
rsv0 : array[0..210] of boolean;
ports : array[0..31] of THBA_Port;
end;

PHBA = ˆTHBA_MEM;

PCMDHeader = ˆ TCommand_Header;

TCommand_Header = bitpacked record
cfl : ubit5;
a : boolean;
w : boolean;
p : boolean;
r : boolean;
b : boolean;
c : boolean;
rsv0 : boolean;
pmp : ubit4;
PRDTL : uint16;
PRDTBC : uint32;
CTBA : uint32;
CTBAU : uint32;
rsv1 : array[0..3] of uint32;
end;

TPRD_Entry = bitpacked record
data_base_address : uint32;
data_bade_address_U : uint32;
rsv0 : uint32;
data_byte_count : ubit22;
rsv1 : ubit9;
interrupt_oc : boolean;
end;

PCommand_Table = ˆTCommand_Table;

TCommand_Table = bitpacked record
cfis : array[0..64] of uint8;
acmd : array[0..16] of uint8;
rsv : array[0..48] of uint8;
prdt : array[0..7] of TPRD_Entry;
end;

Variables

AHCI_BASE: uint32 = $400000;

ahciControllers: array[0.16] of PuInt32;

ahciControllerCount: uint8 = 0;

hba: array[0..16] of PHBA;

sataDevices: array[0..127] of TSataDevice;

sataDeviceCount: uint8;

Description

Functions and Procedures

procedure init();

procedure check_ports(controller : uint8);

procedure enable_cmd(port : uint8);

procedure disable_cmd(port : uint8);

procedure port_rebase(port : uint8);

function load(ptr:void): boolean;

function read(port : uint8; startl : uint32; starth : uint32; count : uint32; buf : PuInt32) : boolean;

function write(port : uint8; startl : uint32; starth : uint32; count : uint32; buf : PuInt32) : boolean;

function find_cmd_slot(port : uint8) : uint32;

Types

TFIS_Type = (...);

Struct hell

Values

REG_H2D = $27
REG_D2H = $34
DMA_ACT = $39
DMA_SETUP = $41
DATA = $46
BIST = $58
PIO_SETUP = $5F
DEV_BITS = $A0

PFIS_REG_H2D = ˆTFIS_REG_H2D;

TFIS_REG_H2D = bitpacked record
fis_type : uint8;
port_mult : UBit4;
rsv0 : UBit3;
coc : boolean;
command : uint8;
feature_low : uint8;
lba0 : uint8;
lba1 : uint8;
lba2 : uint8;
device : uint8;
lba3 : uint8;
lba4 : uint8;
lba5 : uint8;
feature_high : uint8;
count_low : uint8;
count_high : uint8;
icc : uint8;
control : uint8;
rsvl : uint32;
end;

TFIS_REG_D2H = bitpacked record
fis_type : uint8;
port_mult : UBit4;
rsv0 : UBit2;
i : boolean;
rsvl : boolean;
status : uint8;
error : uint8;
lba0 : uint8;
lba1 : uint8;
lba2 : uint8;
device : uint8;
lba3 : uint8;
lba4 : uint8;
lba5 : uint8;
rsv2 : uint8;
count_low : uint8;
count_high : uint8;
rsv3 : uint16;
rsv4 : uint32;
end;

TFIS_Data = bitpacked record
fis_type : uint8;
port_mult : UBit4;
rsv0 : UBit4;
rsv1 : uint16;
data : ˆuint32;
end;

TFIS_PIO_Setup = bitpacked record
fis_type : uint8;
pmport : UBit4;
rsv0 : boolean;
d : boolean;
i : boolean;
rsv1 : boolean;
status : uint8;
error : uint8;
lba0 : uint8;
lba1 : uint8;
lba2 : uint8;
device : uint8;
lba3 : uint8;
lba4 : uint8;
lba5 : uint8;
rsv2 : uint8;
countl : uint8;
counth : uint8;
rsv3 : uint8;
e_status : uint8;
tc : uint16;
rsv4 : uint16;
end;

PHBA_PORT = ˆTHBA_PORT;

TFIS_DMA_Setup = bitpacked record end; THBA_Memory = bitpacked record end; THBA_Port = bitpacked record end; THBA_FIS = bitpacked record end;

THBA_PORT = bitpacked record
clb : uint32;
clbu : uint32;
fb : uint32;
fbu : uint32;
istat : uint32;
ie : uint32;
cmd : uint32;
rsv0 : uint32;
tfd : uint32;
sig : uint32;
ssts : uint32;
sctl : uint32;
serr : uint32;
sact : uint32;
ci : uint32;
sntf : uint32;
fbs : uint32;
rsv1 : array[0..11] of uint32;
vendor : array[0..4] of uint32;
end;

THBA_MEM = bitpacked record
cap : uint32;
global_host_control : uint32;
interrupt_status : uint32;
port_implemented : uint32;
version : uint32;
ccc_control : uint32;
ccc_ports : uint32;
em_location : uint32;
em_Control : uint32;
hcap2 : uint32;
bohc : uint32;
rsv0 : array[0..210] of boolean;
ports : array[0..31] of THBA_Port;
end;

PHBA = ˆTHBA_MEM;

0 4 8 c 10 14 18 1c 20 24 28

PCMDHeader = ˆ TCommand_Header;

TCommand_Header = bitpacked record
cfl : ubit5;
a : boolean;
w : boolean;
p : boolean;
r : boolean;
b : boolean;
c : boolean;
rsv0 : boolean;
pmp : ubit4;
PRDTL : uint16;
PRDTBC : uint32;
CTBA : uint32;
CTBAU : uint32;
rsv1 : array[0..3] of uint32;
end;

TPRD_Entry = bitpacked record
data_base_address : uint32;
data_bade_address_U : uint32;
rsv0 : uint32;
data_byte_count : ubit22;
rsv1 : ubit9;
interrupt_oc : boolean;
end;

PCommand_Table = ˆTCommand_Table;

TCommand_Table = bitpacked record
cfis : array[0..64] of uint8;
acmd : array[0..16] of uint8;
rsv : array[0..48] of uint8;
prdt : array[0..7] of TPRD_Entry;
end;

Variables

AHCI_BASE: uint32 = $400000;

constants SATA_SIG_ATA := $101; SATA_SIG_ATAPI := $EB140101; STA_SIG_SEMB := $C33C0101; STAT_SIG_PM := $96690101;

ahciControllers: array[0.16] of PuInt32;

irrelivent other

ahciControllerCount: uint8 = 0;

hba: array[0..16] of PHBA;

sataDevices: array[0..127] of TSataDevice;

sataDeviceCount: uint8;

Author

Aaron Hance <[email protected]>

Generated by PasDoc 0.16.0.

Asuro OS Documentation

Unit AHCI

Description

Overview

Classes, Interfaces, Objects and Records

Functions and Procedures

Types

Variables

Description

Functions and Procedures

Types

Values

Variables

Author