1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>Chapter 6. libata SCSI translation/emulation</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="libATA Developer's Guide"><link rel="up" href="index.html" title="libATA Developer's Guide"><link rel="prev" href="API-ata-port-detach.html" title="ata_port_detach"><link rel="next" href="API-ata-std-bios-param.html" title="ata_std_bios_param"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 6. libata SCSI translation/emulation</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-ata-port-detach.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="API-ata-std-bios-param.html">Next</a></td></tr></table><hr></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a name="libataScsiInt"></a>Chapter 6. libata SCSI translation/emulation</h1></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl class="toc"><dt><span class="refentrytitle"><a href="API-ata-std-bios-param.html"><span class="phrase">ata_std_bios_param</span></a></span><span class="refpurpose"> — 2 generic bios head/sector/cylinder calculator used by sd. 3 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-unlock-native-capacity.html"><span class="phrase">ata_scsi_unlock_native_capacity</span></a></span><span class="refpurpose"> — 4 unlock native capacity 5 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-slave-config.html"><span class="phrase">ata_scsi_slave_config</span></a></span><span class="refpurpose"> — 6 Set SCSI device attributes 7 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-slave-destroy.html"><span class="phrase">ata_scsi_slave_destroy</span></a></span><span class="refpurpose"> — 8 SCSI device is about to be destroyed 9 </span></dt><dt><span class="refentrytitle"><a href="API---ata-change-queue-depth.html"><span class="phrase">__ata_change_queue_depth</span></a></span><span class="refpurpose"> — 10 helper for ata_scsi_change_queue_depth 11 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-change-queue-depth.html"><span class="phrase">ata_scsi_change_queue_depth</span></a></span><span class="refpurpose"> — 12 SCSI callback for queue depth config 13 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-queuecmd.html"><span class="phrase">ata_scsi_queuecmd</span></a></span><span class="refpurpose"> — 14 Issue SCSI cdb to libata-managed device 15 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-simulate.html"><span class="phrase">ata_scsi_simulate</span></a></span><span class="refpurpose"> — 16 simulate SCSI command on ATA device 17 </span></dt><dt><span class="refentrytitle"><a href="API-ata-sas-port-alloc.html"><span class="phrase">ata_sas_port_alloc</span></a></span><span class="refpurpose"> — 18 Allocate port for a SAS attached SATA device 19 </span></dt><dt><span class="refentrytitle"><a href="API-ata-sas-port-start.html"><span class="phrase">ata_sas_port_start</span></a></span><span class="refpurpose"> — 20 Set port up for dma. 21 </span></dt><dt><span class="refentrytitle"><a href="API-ata-sas-port-stop.html"><span class="phrase">ata_sas_port_stop</span></a></span><span class="refpurpose"> — 22 Undo <code class="function">ata_sas_port_start</code> 23 </span></dt><dt><span class="refentrytitle"><a href="API-ata-sas-async-probe.html"><span class="phrase">ata_sas_async_probe</span></a></span><span class="refpurpose"> — 24 simply schedule probing and return 25 </span></dt><dt><span class="refentrytitle"><a href="API-ata-sas-port-init.html"><span class="phrase">ata_sas_port_init</span></a></span><span class="refpurpose"> — 26 Initialize a SATA device 27 </span></dt><dt><span class="refentrytitle"><a href="API-ata-sas-port-destroy.html"><span class="phrase">ata_sas_port_destroy</span></a></span><span class="refpurpose"> — 28 Destroy a SATA port allocated by ata_sas_port_alloc 29 </span></dt><dt><span class="refentrytitle"><a href="API-ata-sas-slave-configure.html"><span class="phrase">ata_sas_slave_configure</span></a></span><span class="refpurpose"> — 30 Default slave_config routine for libata devices 31 </span></dt><dt><span class="refentrytitle"><a href="API-ata-sas-queuecmd.html"><span class="phrase">ata_sas_queuecmd</span></a></span><span class="refpurpose"> — 32 Issue SCSI cdb to libata-managed device 33 </span></dt><dt><span class="refentrytitle"><a href="API-ata-get-identity.html"><span class="phrase">ata_get_identity</span></a></span><span class="refpurpose"> — 34 Handler for HDIO_GET_IDENTITY ioctl 35 </span></dt><dt><span class="refentrytitle"><a href="API-ata-cmd-ioctl.html"><span class="phrase">ata_cmd_ioctl</span></a></span><span class="refpurpose"> — 36 Handler for HDIO_DRIVE_CMD ioctl 37 </span></dt><dt><span class="refentrytitle"><a href="API-ata-task-ioctl.html"><span class="phrase">ata_task_ioctl</span></a></span><span class="refpurpose"> — 38 Handler for HDIO_DRIVE_TASK ioctl 39 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-qc-new.html"><span class="phrase">ata_scsi_qc_new</span></a></span><span class="refpurpose"> — 40 acquire new ata_queued_cmd reference 41 </span></dt><dt><span class="refentrytitle"><a href="API-ata-dump-status.html"><span class="phrase">ata_dump_status</span></a></span><span class="refpurpose"> — 42 user friendly display of error info 43 </span></dt><dt><span class="refentrytitle"><a href="API-ata-to-sense-error.html"><span class="phrase">ata_to_sense_error</span></a></span><span class="refpurpose"> — 44 convert ATA error to SCSI error 45 </span></dt><dt><span class="refentrytitle"><a href="API-ata-gen-ata-sense.html"><span class="phrase">ata_gen_ata_sense</span></a></span><span class="refpurpose"> — 46 generate a SCSI fixed sense block 47 </span></dt><dt><span class="refentrytitle"><a href="API-atapi-drain-needed.html"><span class="phrase">atapi_drain_needed</span></a></span><span class="refpurpose"> — 48 Check whether data transfer may overflow 49 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-start-stop-xlat.html"><span class="phrase">ata_scsi_start_stop_xlat</span></a></span><span class="refpurpose"> — 50 Translate SCSI START STOP UNIT command 51 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-flush-xlat.html"><span class="phrase">ata_scsi_flush_xlat</span></a></span><span class="refpurpose"> — 52 Translate SCSI SYNCHRONIZE CACHE command 53 </span></dt><dt><span class="refentrytitle"><a href="API-scsi-6-lba-len.html"><span class="phrase">scsi_6_lba_len</span></a></span><span class="refpurpose"> — 54 Get LBA and transfer length 55 </span></dt><dt><span class="refentrytitle"><a href="API-scsi-10-lba-len.html"><span class="phrase">scsi_10_lba_len</span></a></span><span class="refpurpose"> — 56 Get LBA and transfer length 57 </span></dt><dt><span class="refentrytitle"><a href="API-scsi-16-lba-len.html"><span class="phrase">scsi_16_lba_len</span></a></span><span class="refpurpose"> — 58 Get LBA and transfer length 59 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-verify-xlat.html"><span class="phrase">ata_scsi_verify_xlat</span></a></span><span class="refpurpose"> — 60 Translate SCSI VERIFY command into an ATA one 61 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-rw-xlat.html"><span class="phrase">ata_scsi_rw_xlat</span></a></span><span class="refpurpose"> — 62 Translate SCSI r/w command into an ATA one 63 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-translate.html"><span class="phrase">ata_scsi_translate</span></a></span><span class="refpurpose"> — 64 Translate then issue SCSI command to ATA device 65 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-rbuf-get.html"><span class="phrase">ata_scsi_rbuf_get</span></a></span><span class="refpurpose"> — 66 Map response buffer. 67 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-rbuf-put.html"><span class="phrase">ata_scsi_rbuf_put</span></a></span><span class="refpurpose"> — 68 Unmap response buffer. 69 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-rbuf-fill.html"><span class="phrase">ata_scsi_rbuf_fill</span></a></span><span class="refpurpose"> — 70 wrapper for SCSI command simulators 71 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsiop-inq-std.html"><span class="phrase">ata_scsiop_inq_std</span></a></span><span class="refpurpose"> — 72 Simulate INQUIRY command 73 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsiop-inq-00.html"><span class="phrase">ata_scsiop_inq_00</span></a></span><span class="refpurpose"> — 74 Simulate INQUIRY VPD page 0, list of pages 75 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsiop-inq-80.html"><span class="phrase">ata_scsiop_inq_80</span></a></span><span class="refpurpose"> — 76 Simulate INQUIRY VPD page 80, device serial number 77 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsiop-inq-83.html"><span class="phrase">ata_scsiop_inq_83</span></a></span><span class="refpurpose"> — 78 Simulate INQUIRY VPD page 83, device identity 79 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsiop-inq-89.html"><span class="phrase">ata_scsiop_inq_89</span></a></span><span class="refpurpose"> — 80 Simulate INQUIRY VPD page 89, ATA info 81 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsiop-noop.html"><span class="phrase">ata_scsiop_noop</span></a></span><span class="refpurpose"> — 82 Command handler that simply returns success. 83 </span></dt><dt><span class="refentrytitle"><a href="API-modecpy.html"><span class="phrase">modecpy</span></a></span><span class="refpurpose"> — 84 Prepare response for MODE SENSE 85 </span></dt><dt><span class="refentrytitle"><a href="API-ata-msense-caching.html"><span class="phrase">ata_msense_caching</span></a></span><span class="refpurpose"> — 86 Simulate MODE SENSE caching info page 87 </span></dt><dt><span class="refentrytitle"><a href="API-ata-msense-ctl-mode.html"><span class="phrase">ata_msense_ctl_mode</span></a></span><span class="refpurpose"> — 88 Simulate MODE SENSE control mode page 89 </span></dt><dt><span class="refentrytitle"><a href="API-ata-msense-rw-recovery.html"><span class="phrase">ata_msense_rw_recovery</span></a></span><span class="refpurpose"> — 90 Simulate MODE SENSE r/w error recovery page 91 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsiop-mode-sense.html"><span class="phrase">ata_scsiop_mode_sense</span></a></span><span class="refpurpose"> — 92 Simulate MODE SENSE 6, 10 commands 93 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsiop-read-cap.html"><span class="phrase">ata_scsiop_read_cap</span></a></span><span class="refpurpose"> — 94 Simulate READ CAPACITY[ 16] commands 95 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsiop-report-luns.html"><span class="phrase">ata_scsiop_report_luns</span></a></span><span class="refpurpose"> — 96 Simulate REPORT LUNS command 97 </span></dt><dt><span class="refentrytitle"><a href="API-atapi-xlat.html"><span class="phrase">atapi_xlat</span></a></span><span class="refpurpose"> — 98 Initialize PACKET taskfile 99 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-find-dev.html"><span class="phrase">ata_scsi_find_dev</span></a></span><span class="refpurpose"> — 100 lookup ata_device from scsi_cmnd 101 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-pass-thru.html"><span class="phrase">ata_scsi_pass_thru</span></a></span><span class="refpurpose"> — 102 convert ATA pass-thru CDB to taskfile 103 </span></dt><dt><span class="refentrytitle"><a href="API-ata-mselect-caching.html"><span class="phrase">ata_mselect_caching</span></a></span><span class="refpurpose"> — 104 Simulate MODE SELECT for caching info page 105 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-mode-select-xlat.html"><span class="phrase">ata_scsi_mode_select_xlat</span></a></span><span class="refpurpose"> — 106 Simulate MODE SELECT 6, 10 commands 107 </span></dt><dt><span class="refentrytitle"><a href="API-ata-get-xlat-func.html"><span class="phrase">ata_get_xlat_func</span></a></span><span class="refpurpose"> — 108 check if SCSI to ATA translation is possible 109 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-dump-cdb.html"><span class="phrase">ata_scsi_dump_cdb</span></a></span><span class="refpurpose"> — 110 dump SCSI command contents to dmesg 111 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-offline-dev.html"><span class="phrase">ata_scsi_offline_dev</span></a></span><span class="refpurpose"> — 112 offline attached SCSI device 113 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-remove-dev.html"><span class="phrase">ata_scsi_remove_dev</span></a></span><span class="refpurpose"> — 114 remove attached SCSI device 115 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-media-change-notify.html"><span class="phrase">ata_scsi_media_change_notify</span></a></span><span class="refpurpose"> — 116 send media change event 117 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-hotplug.html"><span class="phrase">ata_scsi_hotplug</span></a></span><span class="refpurpose"> — 118 SCSI part of hotplug 119 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-user-scan.html"><span class="phrase">ata_scsi_user_scan</span></a></span><span class="refpurpose"> — 120 indication for user-initiated bus scan 121 </span></dt><dt><span class="refentrytitle"><a href="API-ata-scsi-dev-rescan.html"><span class="phrase">ata_scsi_dev_rescan</span></a></span><span class="refpurpose"> — 122 initiate <code class="function">scsi_rescan_device</code> 123 </span></dt></dl></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-ata-port-detach.html">Prev</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="API-ata-std-bios-param.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">ata_port_detach</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span 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