drivers/ata/libahci.c

265 	struct ahci_host_priv *hpriv = ap->host->private_data;
267 	return sprintf(buf, "%x\n", hpriv->cap);
275 	struct ahci_host_priv *hpriv = ap->host->private_data;
277 	return sprintf(buf, "%x\n", hpriv->cap2);
285 	struct ahci_host_priv *hpriv = ap->host->private_data;
287 	return sprintf(buf, "%x\n", hpriv->version);
310 	struct ahci_host_priv *hpriv = ap->host->private_data;
311 	void __iomem *mmio = hpriv->mmio;
312 	void __iomem *em_mmio = mmio + hpriv->em_loc;
323 	    !(hpriv->em_msg_type & EM_MSG_TYPE_SGPIO)) {
336 		em_mmio += hpriv->em_buf_sz;
338 	count = hpriv->em_buf_sz;
346 				      hpriv->em_buf_sz, PAGE_SIZE);
370 	struct ahci_host_priv *hpriv = ap->host->private_data;
371 	void __iomem *mmio = hpriv->mmio;
372 	void __iomem *em_mmio = mmio + hpriv->em_loc;
380 	    !(hpriv->em_msg_type & EM_MSG_TYPE_SGPIO) ||
381 	    size % 4 || size > hpriv->em_buf_sz)
413 	struct ahci_host_priv *hpriv = ap->host->private_data;
414 	void __iomem *mmio = hpriv->mmio;
431  *	@hpriv: host private area to store config values
435  *	initial values of those registers into @hpriv such that they
440  *	If it is not set already this function sets hpriv->start_engine to
446 void ahci_save_initial_config(struct device *dev, struct ahci_host_priv *hpriv)
448 	void __iomem *mmio = hpriv->mmio;
468 	if (hpriv->saved_cap)
469 		cap = (cap & ~(HOST_CAP_SSS | HOST_CAP_MPS)) | hpriv->saved_cap;
470 	hpriv->saved_cap = cap;
476 		hpriv->saved_cap2 = cap2 = readl(mmio + HOST_CAP2);
478 		hpriv->saved_cap2 = cap2 = 0;
481 	if ((cap & HOST_CAP_64) && (hpriv->flags & AHCI_HFLAG_32BIT_ONLY)) {
486 	if ((cap & HOST_CAP_NCQ) && (hpriv->flags & AHCI_HFLAG_NO_NCQ)) {
491 	if (!(cap & HOST_CAP_NCQ) && (hpriv->flags & AHCI_HFLAG_YES_NCQ)) {
496 	if ((cap & HOST_CAP_PMP) && (hpriv->flags & AHCI_HFLAG_NO_PMP)) {
501 	if ((cap & HOST_CAP_SNTF) && (hpriv->flags & AHCI_HFLAG_NO_SNTF)) {
507 	if ((cap2 & HOST_CAP2_SDS) && (hpriv->flags & AHCI_HFLAG_NO_DEVSLP)) {
514 	if (!(cap & HOST_CAP_FBS) && (hpriv->flags & AHCI_HFLAG_YES_FBS)) {
519 	if ((cap & HOST_CAP_FBS) && (hpriv->flags & AHCI_HFLAG_NO_FBS)) {
524 	if (!(cap & HOST_CAP_ALPM) && (hpriv->flags & AHCI_HFLAG_YES_ALPM)) {
529 	if ((cap & HOST_CAP_SXS) && (hpriv->flags & AHCI_HFLAG_NO_SXS)) {
536 	if (hpriv->saved_port_map && port_map != hpriv->saved_port_map) {
538 			 port_map, hpriv->saved_port_map);
539 		port_map = hpriv->saved_port_map;
541 		hpriv->saved_port_map = port_map;
544 	if (hpriv->mask_port_map) {
547 			port_map & hpriv->mask_port_map);
548 		port_map &= hpriv->mask_port_map;
576 		hpriv->saved_port_map = port_map;
585 		if (hpriv->saved_port_cap[i])
588 		port_mmio = __ahci_port_base(hpriv, i);
589 		hpriv->saved_port_cap[i] =
594 	hpriv->cap = cap;
595 	hpriv->cap2 = cap2;
596 	hpriv->version = vers;
597 	hpriv->port_map = port_map;
599 	if (!hpriv->start_engine)
600 		hpriv->start_engine = ahci_start_engine;
602 	if (!hpriv->stop_engine)
603 		hpriv->stop_engine = ahci_stop_engine;
605 	if (!hpriv->irq_handler)
606 		hpriv->irq_handler = ahci_single_level_irq_intr;
621 	struct ahci_host_priv *hpriv = host->private_data;
622 	unsigned long port_map = hpriv->port_map;
623 	void __iomem *mmio = hpriv->mmio;
627 	writel(hpriv->saved_cap, mmio + HOST_CAP);
628 	if (hpriv->saved_cap2)
629 		writel(hpriv->saved_cap2, mmio + HOST_CAP2);
630 	writel(hpriv->saved_port_map, mmio + HOST_PORTS_IMPL);
634 		port_mmio = __ahci_port_base(hpriv, i);
635 		writel(hpriv->saved_port_cap[i], port_mmio + PORT_CMD);
648 	struct ahci_host_priv *hpriv = ap->host->private_data;
651 	    (sc_reg != SCR_NOTIFICATION || (hpriv->cap & HOST_CAP_SNTF)))
696 	struct ahci_host_priv *hpriv = ap->host->private_data;
705 	if ((hpriv->flags & AHCI_HFLAG_WAKE_BEFORE_STOP) &&
745 	struct ahci_host_priv *hpriv = ap->host->private_data;
750 	if (hpriv->cap & HOST_CAP_64)
755 	if (hpriv->cap & HOST_CAP_64)
791 	struct ahci_host_priv *hpriv = ap->host->private_data;
798 	if (hpriv->cap & HOST_CAP_SSS) {
811 	struct ahci_host_priv *hpriv = ap->host->private_data;
830 	if (hpriv->cap & HOST_CAP_ALPM) {
859 	if ((hpriv->cap2 & HOST_CAP2_SDS) &&
860 	    (hpriv->cap2 & HOST_CAP2_SADM) &&
883 	struct ahci_host_priv *hpriv = ap->host->private_data;
887 	if (!(hpriv->cap & HOST_CAP_SSS))
904 	struct ahci_host_priv *hpriv = ap->host->private_data;
915 	if (!(hpriv->flags & AHCI_HFLAG_DELAY_ENGINE))
916 		hpriv->start_engine(ap);
953 	struct ahci_host_priv *hpriv = ap->host->private_data;
956 	rc = hpriv->stop_engine(ap);
974 	struct ahci_host_priv *hpriv = host->private_data;
975 	void __iomem *mmio = hpriv->mmio;
1013 	if (!(hpriv->flags & AHCI_HFLAG_NO_WRITE_TO_RO))
1096 	struct ahci_host_priv *hpriv = host->private_data;
1097 	void __iomem *mmio = hpriv->mmio;
1112 	struct ahci_host_priv *hpriv = ap->host->private_data;
1114 	void __iomem *mmio = hpriv->mmio;
1142 	if (hpriv->em_msg_type & EM_MSG_TYPE_LED) {
1153 		writel(message[0], mmio + hpriv->em_loc);
1154 		writel(message[1], mmio + hpriv->em_loc+4);
1261 	struct ahci_host_priv *hpriv = ap->host->private_data;
1276 	writel(1 << ap->port_no, hpriv->mmio + HOST_IRQ_STAT);
1296 	struct ahci_host_priv *hpriv = host->private_data;
1297 	void __iomem *mmio = hpriv->mmio;
1322 	struct ahci_host_priv *hpriv = dev->link->ap->host->private_data;
1324 	if (hpriv->flags & AHCI_HFLAG_SECT255) {
1364 	struct ahci_host_priv *hpriv = ap->host->private_data;
1370 	rc = hpriv->stop_engine(ap);
1383 	if (!(hpriv->cap & HOST_CAP_CLO)) {
1401 	hpriv->start_engine(ap);
1450 	struct ahci_host_priv *hpriv = ap->host->private_data;
1499 	if (rc == -EBUSY && hpriv->flags & AHCI_HFLAG_SRST_TOUT_IS_OFFLINE) {
1596 	struct ahci_host_priv *hpriv = ap->host->private_data;
1601 	hpriv->stop_engine(ap);
1613 	hpriv->start_engine(ap);
1747 	struct ahci_host_priv *hpriv = ap->host->private_data;
1788 	if (hpriv->flags & AHCI_HFLAG_IGN_IRQ_IF_ERR)
1801 		if (hpriv->flags & AHCI_HFLAG_IGN_SERR_INTERNAL)
1893 	struct ahci_host_priv *hpriv = ap->host->private_data;
1925 		if (hpriv->cap & HOST_CAP_SNTF)
2007 	struct ahci_host_priv *hpriv;
2012 	hpriv = host->private_data;
2013 	mmio = hpriv->mmio;
2020 	irq_masked = irq_stat & hpriv->port_map;
2201 	struct ahci_host_priv *hpriv = ap->host->private_data;
2202 	void __iomem *mmio = hpriv->mmio;
2218 	struct ahci_host_priv *hpriv = ap->host->private_data;
2222 		hpriv->stop_engine(ap);
2223 		hpriv->start_engine(ap);
2229 		hpriv->stop_engine(ap);
2244 	struct ahci_host_priv *hpriv = ap->host->private_data;
2283 	rc = hpriv->stop_engine(ap);
2312 	hpriv->start_engine(ap);
2324 	struct ahci_host_priv *hpriv = ap->host->private_data;
2340 	rc = hpriv->stop_engine(ap);
2353 	hpriv->start_engine(ap);
2358 	struct ahci_host_priv *hpriv = ap->host->private_data;
2373 	rc = hpriv->stop_engine(ap);
2386 	hpriv->start_engine(ap);
2486 	struct ahci_host_priv *hpriv = ap->host->private_data;
2508 	if ((hpriv->cap & HOST_CAP_FBS) && sata_pmp_supported(ap)) {
2513 		else if (hpriv->flags & AHCI_HFLAG_YES_FBS) {
2569 	if (hpriv->flags & AHCI_HFLAG_MULTI_MSI) {
2583 	struct ahci_host_priv *hpriv = ap->host->private_data;
2584 	void __iomem *host_mmio = hpriv->mmio;
2603 	struct ahci_host_priv *hpriv = host->private_data;
2607 	vers = hpriv->version;
2608 	cap = hpriv->cap;
2609 	cap2 = hpriv->cap2;
2610 	impl = hpriv->port_map;
2679 void ahci_set_em_messages(struct ahci_host_priv *hpriv,
2683 	void __iomem *mmio = hpriv->mmio;
2687 	if (!ahci_em_messages || !(hpriv->cap & HOST_CAP_EMS))
2694 		hpriv->em_loc = ((em_loc >> 16) * 4);
2695 		hpriv->em_buf_sz = ((em_loc & 0xff) * 4);
2696 		hpriv->em_msg_type = messages;
2707 	struct ahci_host_priv *hpriv = host->private_data;
2719 		int irq = hpriv->get_irq_vector(host, i);
2751 	struct ahci_host_priv *hpriv = host->private_data;
2752 	int irq = hpriv->irq;
2755 	if (hpriv->flags & AHCI_HFLAG_MULTI_MSI) {
2756 		if (hpriv->irq_handler &&
2757 		    hpriv->irq_handler != ahci_single_level_irq_intr)
2760 		if (!hpriv->get_irq_vector) {
2768 		rc = ata_host_activate(host, irq, hpriv->irq_handler,