drivers/ata/libata-core.c

115 MODULE_PARM_DESC(force, "Force ATA configurations including cable type, link speed and transfer mode (see Documentation/admin-guide/kernel-parameters.rst for details)");
179  *	@mode: iteration mode, one of ATA_LITER_*
188 			       enum ata_link_iter_mode mode)
190 	BUG_ON(mode != ATA_LITER_EDGE &&
191 	       mode != ATA_LITER_PMP_FIRST && mode != ATA_LITER_HOST_FIRST);
195 		switch (mode) {
207 		switch (mode) {
228 	if (mode == ATA_LITER_PMP_FIRST)
239  *	@mode: iteration mode, one of ATA_DITER_*
248 				enum ata_dev_iter_mode mode)
250 	BUG_ON(mode != ATA_DITER_ENABLED && mode != ATA_DITER_ENABLED_REVERSE &&
251 	       mode != ATA_DITER_ALL && mode != ATA_DITER_ALL_REVERSE);
255 		switch (mode) {
268 	switch (mode) {
282 	if ((mode == ATA_DITER_ENABLED || mode == ATA_DITER_ENABLED_REVERSE) &&
1434 		u8 mode = (id[ATA_ID_OLD_PIO_MODES] >> 8) & 0xFF;
1435 		if (mode < 5)	/* Valid PIO range */
1436 			pio_mask = (2 << mode) - 1;
1731  *	Compute the highest mode possible if we are not using iordy. Return
1732  *	-1 if no iordy mode is available.
1918 		 * Drive powered-up in standby mode, and requires a specific
2016 		ata_dev_err(dev, "Check power mode failed (err_mask=0x%x)\n",
2019 		 * Assume we are in standby mode so that we always force a
2025 	ata_dev_dbg(dev, "Power mode: 0x%02x\n", tf.nsect);
2032  *	ata_dev_power_set_standby - Set a device power mode to standby
2035  *	Issue a STANDBY IMMEDIATE command to set a device power mode to standby.
2069 	ata_dev_notice(dev, "Entering standby power mode\n");
2078  *	ata_dev_power_set_active -  Set a device power mode to active
2082  *	active power mode. For a spun-down HDD (standby or idle power mode),
2107 	ata_dev_notice(dev, "Entering active power mode\n");
2944 	/* find max transfer mode; for printk only */
3179  *	transfer mode.
3328  *	ata_timing_cycle2mode - find xfer mode for the specified cycle duration
3332  *	Return matching xfer mode for @cycle.  The returned mode is of
3335  *	than the fastest known mode, the fasted mode is returned.
3354 	     t && ata_xfer_mode2shift(t->mode) == xfer_shift; t++) {
3372 		last_mode = t->mode;
3517 	/* Early MWDMA devices do DMA but don't allow DMA mode setting.
3557  *	ATA device disk transfer mode (PIO3, UDMA6, etc.).  If
3631 	/* step 4: update devices' xfer mode */
4275 	 * is put into the slumber mode.  We don't have full list of the
4503 	ata_dev_dbg(dev, "set features - xfer mode\n");
4506 	 * behavior after setting xfer mode.  Use polling instead.
4513 	/* If we are using IORDY we must send the mode setting command */
6023  *	have set polling mode on the port. In this case, @irq_handler
6043 	/* Special case for polling mode */
6324 #define force_xfer(mode, shift)				\
6325 	{ #mode,	.xfer_mask	= (1UL << (shift)) }