3  *  libata-core.c - helper library for ATA
15  *	http://www.t13.org (ATA standards, PCI DMA IDE spec)
20  *	http://www.ce-ata.org (CE-ATA: not supported)
23  * low-level ATA host controller drivers.  As such, the API/ABI is
110 MODULE_PARM_DESC(force, "Force ATA configurations including cable type, link speed and transfer mod…
135 MODULE_PARM_DESC(dma, "DMA enable/disable (0x1==ATA, 0x2==ATAPI, 0x4==CF)");
139 MODULE_PARM_DESC(ata_probe_timeout, "Set ATA probing timeout (seconds)");
154 MODULE_DESCRIPTION("Library module for ATA devices");
168  *	@ap: ATA port containing links to iterate
228  *	@link: ATA link containing devices to iterate
281  *	@dev: ATA device to look up physical link for
307  *	@ap: ATA port of interest
339  *	@ap: ATA port of interest
368  *	@link: ATA link of interest
426  *	@dev: ATA device of interest
507  *	@dev: ATA device of interest
652  *	ata_tf_read_block - Read block address from ATA taskfile
653  *	@tf: ATA taskfile of interest
654  *	@dev: ATA device @tf belongs to
721  *	ata_build_rw_tf - Build ATA taskfile for given read/write request
732  *	Build ATA taskfile for the command @qc for read/write request described
1046  *	ata_dev_classify - determine device type based on ATA-spec signature
1047  *	@tf: ATA taskfile register set for device to be identified
1050  *	ATA or ATAPI, as per "Signature and persistence" section
1051  *	of ATA/PI spec (volume 1, sect 5.14).
1066 	 * ATA/ATAPI-7 (d1532v1r1: Feb. 19, 2003) specified separate  in ata_dev_classify()
1067 	 * signatures for ATA and ATAPI devices attached on SerialATA,  in ata_dev_classify()
1070 	 * for ATA/ATAPI devices.  Then, Serial ATA II: Port  in ata_dev_classify()
1073 	 * ATA/ATAPI-7 dropped descriptions about 0x3c/0xc3 and  in ata_dev_classify()
1698  *	@adev: ATA device
1732  *	@adev: ATA device
1760  *	identify data. For some RAID controllers and for pre ATA devices
1779  *	performed on ATA devices and ATA_CMD_ID_ATAPI on ATAPI
1910 				"host indicates ignore ATA devices, ignored\n");  in ata_dev_read_id()
1944 		 * IDENTIFY (optional in early ATA)  in ata_dev_read_id()
1945 		 * INITIALIZE DEVICE PARAMETERS (later IDE and ATA)  in ata_dev_read_id()
1981 	/* Only applies to ATA and ZAC devices */  in ata_dev_power_init_tf()
2235 		 * with ACS-3 (ATA version 10). Warn about the missing log  in ata_identify_page_supported()
2236 		 * for drives which implement this ATA level or above.  in ata_identify_page_supported()
2240 				"ATA Identify Device Log not supported\n");  in ata_identify_page_supported()
2505 			     "ATA Zoned Information Log not supported\n");  in ata_dev_config_zoned()
3027  *	ata_dev_configure - Configure the specified ATA/ATAPI device
3111 	 * common ATA, ATAPI feature tests  in ata_dev_configure()
3119 	/* SCSI only uses 4-char revisions, dump full 8 chars from ATA */  in ata_dev_configure()
3126 	/* ATA-specific feature tests */  in ata_dev_configure()
3135 			snprintf(revbuf, 7, "ATA-%d", ata_id_major_version(id));  in ata_dev_configure()
3309 		ata_dev_warn(dev, "         contact the vendor or visit http://ata.wiki.kernel.org\n");  in ata_dev_configure()
3612 		   ATA devices */  in ata_dev_set_mode()
3662  *	ATA device disk transfer mode (PIO3, UDMA6, etc.).  If
3868  *	@link: ATA link to be reset
3988  *	@dev: target ATA device
4020  *	ata_dev_revalidate - Revalidate ATA device
4044 	/* fail early if !ATA && !ATAPI to avoid issuing [P]IDENTIFY to PMP */  in ata_dev_revalidate()
4233 	{ " 2GB ATA Flash Disk", "ADMA428M",	ATA_QUIRK_NODMA },
4441 	 * (Return Zero After Trim) flags in the ATA Command Set are
4862  *	Allow low-level driver to filter ATA PACKET commands, returning
4891  *	@qc: ATA command in question
5113  *	ata_qc_complete - Complete an active ATA command
5116  *	Indicate to the mid and upper layers that an ATA command has
5253  *	@ap: ATA port of interest
5256  *	Prepare an ATA command to submission to device.
5341  *	@link: ATA link to test
5365  *	@link: ATA link to test
5389  *	@link: ATA link to test
5416  *	@link: ATA link to test
5596  * and need to resume ata devices at the domain level, not the per-port
5682  *	@ap: ATA port link is attached to
5752  *	ata_port_alloc - allocate and initialize basic ATA port resources
5753  *	@host: ATA host this allocated port belongs to
5755  *	Allocate and initialize basic ATA port resources.
5758  *	Allocate ATA port on success, NULL on failure.
5864  *	ata_host_alloc - allocate and init basic ATA host resources
5866  *	@n_ports: the number of ATA ports associated with this host
5868  *	Allocate and initialize basic ATA host resources.  LLD calls
5873  *	Allocate ATA host on success, NULL on failure.
5885 	/* alloc a container for our list of ATA ports (buses) */  in ata_host_alloc()
5935  *	@ppi: array of ATA port_info to initialize host with
5936  *	@n_ports: number of ATA ports attached to this host
5938  *	Allocate ATA host and initialize with info from @ppi.  If NULL
5943  *	Allocate ATA host on success, NULL on failure.
6050  *	ata_host_start - start and freeze ports of an ATA host
6051  *	@host: ATA host to start ports for
6195  *	ata_host_register - register initialized ATA host
6196  *	@host: ATA host to register
6199  *	Register initialized ATA host.  @host is allocated using
6201  *	starts ports, registers @host with ATA and SCSI layers and
6282  *	@host: target ATA host
6288  *	After allocating an ATA host and initializing it, most libata
6345  *	@dev: Target ATA device
6361  *	ata_port_detach - Detach ATA port in preparation of device removal
6362  *	@ap: ATA port to be detached
6364  *	Detach all ATA devices and the associated SCSI devices of @ap;
6433  *	ata_host_detach - Detach all ports of an ATA host
6846 		printk(KERN_WARNING "ata: failed to extend force table, "  in ata_parse_force_param()
6858 			printk(KERN_WARNING "ata: failed to parse force "  in ata_parse_force_param()
6925  *	ata_msleep - ATA EH owner aware msleep
6926  *	@ap: ATA port to attribute the sleep to
6960  *	@ap: ATA port to wait register for, can be NULL
6968  *	operation for ATA controllers.  This function reads 32bit LE