AquilaOS documentation
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ata_channel Struct Reference

An IDE channel, with the master and slave drives on it. More...

#include <ata.h>

Data Fields

struct ioaddr base
 the command block's registers, and the bus master's for DMA (whose address is 0 if the controller has none)
struct ioaddr bm
int irq
int busy
 one command at a time: whether one is running, and the requests waiting for the channel
struct waitq wait
struct waitq irq_wait
 the DMA transfer waiting for the interrupt, and what it found
volatile int done
uint8_t bm_status
uint8_t status

Detailed Description

An IDE channel, with the master and slave drives on it.

Definition at line 107 of file ata.h.

Field Documentation

◆ base

struct ioaddr ata_channel::base

the command block's registers, and the bus master's for DMA (whose address is 0 if the controller has none)

Definition at line 110 of file ata.h.

Referenced by ata_probe(), dma_complete(), and dma_irq().

◆ bm

struct ioaddr ata_channel::bm

Definition at line 111 of file ata.h.

Referenced by ata_probe(), dma_complete(), dma_init(), dma_irq(), and dma_transfer().

◆ bm_status

uint8_t ata_channel::bm_status

Definition at line 122 of file ata.h.

Referenced by dma_complete(), and dma_transfer().

◆ busy

int ata_channel::busy

one command at a time: whether one is running, and the requests waiting for the channel

Definition at line 116 of file ata.h.

Referenced by channel_acquire(), and channel_release().

◆ done

volatile int ata_channel::done

Definition at line 121 of file ata.h.

Referenced by dma_complete(), and dma_transfer().

◆ irq

int ata_channel::irq

Definition at line 112 of file ata.h.

Referenced by ata_probe().

◆ irq_wait

struct waitq ata_channel::irq_wait

the DMA transfer waiting for the interrupt, and what it found

Definition at line 120 of file ata.h.

Referenced by dma_irq(), and dma_transfer().

◆ status

uint8_t ata_channel::status

Definition at line 122 of file ata.h.

Referenced by dma_complete(), and dma_transfer().

◆ wait

struct waitq ata_channel::wait

Definition at line 117 of file ata.h.

Referenced by channel_acquire(), and channel_release().

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