Chapter 4. libata Library

Table of Contents

ata_link_next — link iteration helper

ata_dev_next — device iteration helper

atapi_cmd_type — Determine ATAPI command type from SCSI opcode

ata_tf_to_fis — Convert ATA taskfile to SATA FIS structure

ata_tf_from_fis — Convert SATA FIS to ATA taskfile

ata_pack_xfermask — Pack pio, mwdma and udma masks into xfer_mask

ata_unpack_xfermask — Unpack xfer_mask into pio, mwdma and udma masks

ata_xfer_mask2mode — Find matching XFER_* for the given xfer_mask

ata_xfer_mode2mask — Find matching xfer_mask for XFER_*

ata_xfer_mode2shift — Find matching xfer_shift for XFER_*

ata_mode_string — convert xfer_mask to string

ata_dev_classify — determine device type based on ATA-spec signature

ata_id_string — Convert IDENTIFY DEVICE page into string

ata_id_c_string — Convert IDENTIFY DEVICE page into C string

ata_id_xfermask — Compute xfermask from the given IDENTIFY data

ata_pio_need_iordy — check if iordy needed

ata_do_dev_read_id — default ID read method

ata_cable_40wire — return 40 wire cable type

ata_cable_80wire — return 80 wire cable type

ata_cable_unknown — return unknown PATA cable.

ata_cable_ignore — return ignored PATA cable.

ata_cable_sata — return SATA cable type

ata_dev_pair — return other device on cable

sata_set_spd — set SATA spd according to spd limit

ata_timing_cycle2mode — find xfer mode for the specified cycle duration

ata_do_set_mode — Program timings and issue SET FEATURES - XFER

ata_wait_after_reset — wait for link to become ready after reset

sata_link_debounce — debounce SATA phy status

sata_link_resume — resume SATA link

sata_link_scr_lpm — manipulate SControl IPM and SPM fields

ata_std_prereset — prepare for reset

sata_link_hardreset — reset link via SATA phy reset

sata_std_hardreset — COMRESET w/o waiting or classification

ata_std_postreset — standard postreset callback

ata_dev_set_feature — Issue SET FEATURES - SATA FEATURES

ata_std_qc_defer — Check whether a qc needs to be deferred

ata_sg_init — Associate command with scatter-gather table.

ata_qc_complete — Complete an active ATA command

ata_qc_complete_multiple — Complete multiple qcs successfully

sata_scr_valid — test whether SCRs are accessible

sata_scr_read — read SCR register of the specified port

sata_scr_write — write SCR register of the specified port

sata_scr_write_flush — write SCR register of the specified port and flush

ata_link_online — test whether the given link is online

ata_link_offline — test whether the given link is offline

ata_host_suspend — suspend host

ata_host_resume — resume host

ata_host_alloc — allocate and init basic ATA host resources

ata_host_alloc_pinfo — alloc host and init with port_info array

ata_slave_link_init — initialize slave link

ata_host_start — start and freeze ports of an ATA host

ata_host_init — Initialize a host struct for sas (ipr, libsas)

ata_host_register — register initialized ATA host

ata_host_activate — start host, request IRQ and register it

ata_host_detach — Detach all ports of an ATA host

ata_pci_remove_one — PCI layer callback for device removal

ata_platform_remove_one — Platform layer callback for device removal

ata_msleep — ATA EH owner aware msleep

ata_wait_register — wait until register value changes

sata_lpm_ignore_phy_events — test if PHY event should be ignored