ata_command_type Struct Reference

An ATA command type. More...

Data Fields
const char *	name
	Name. More...
size_t	priv_len
	Additional working space. More...
uint8_t	cmd_lba
	Command for non-LBA48-capable devices. More...
uint8_t	cmd_lba48
	Command for LBA48-capable devices. More...
void(*	data_in )(struct ata_command *atacmd, userptr_t buffer, size_t len, userptr_t *data_in, size_t *data_in_len)
	Calculate data-in buffer. More...
void(*	data_out )(struct ata_command *atacmd, userptr_t buffer, size_t len, userptr_t *data_out, size_t *data_out_len)
	Calculate data-out buffer. More...
void(*	done )(struct ata_command *atacmd, int rc)
	Handle ATA command completion. More...

Detailed Description

An ATA command type.

Definition at line 132 of file ata.c.

Field Documentation

name

const char* ata_command_type::name

Name.

Definition at line 134 of file ata.c.

Referenced by atadev_command().

priv_len

size_t ata_command_type::priv_len

Additional working space.

Definition at line 136 of file ata.c.

Referenced by atacmd_data_priv(), and atadev_read_capacity().

cmd_lba

uint8_t ata_command_type::cmd_lba

Command for non-LBA48-capable devices.

Definition at line 138 of file ata.c.

cmd_lba48

uint8_t ata_command_type::cmd_lba48

Command for LBA48-capable devices.

Definition at line 140 of file ata.c.

data_in

void( * ata_command_type::data_in) (struct ata_command *atacmd, userptr_t buffer, size_t len, userptr_t *data_in, size_t *data_in_len)

Calculate data-in buffer.

Parameters

atacmd	ATA command
buffer	Available buffer
len	Available buffer length

Return values

data_in	Data-in buffer
data_in_len	Data-in buffer length

Definition at line 150 of file ata.c.

data_out

void( * ata_command_type::data_out) (struct ata_command *atacmd, userptr_t buffer, size_t len, userptr_t *data_out, size_t *data_out_len)

Calculate data-out buffer.

Parameters

atacmd	ATA command
buffer	Available buffer
len	Available buffer length

Return values

data_out	Data-out buffer
data_out_len	Data-out buffer length

Definition at line 163 of file ata.c.

done

void( * ata_command_type::done) (struct ata_command *atacmd, int rc)

Handle ATA command completion.

Parameters

atacmd	ATA command
rc	Reason for completion

Definition at line 172 of file ata.c.

Referenced by atacmd_done().

---

The documentation for this struct was generated from the following file:

• drivers/block/ata.c