linux/drivers/ata/ahci.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 *  ahci.h - Common AHCI SATA definitions and declarations
 *
 *  Maintained by:  Tejun Heo <[email protected]>
 *    		    Please ALWAYS copy [email protected]
 *		    on emails.
 *
 *  Copyright 2004-2005 Red Hat, Inc.
 *
 * libata documentation is available via 'make {ps|pdf}docs',
 * as Documentation/driver-api/libata.rst
 *
 * AHCI hardware documentation:
 * http://www.intel.com/technology/serialata/pdf/rev1_0.pdf
 * http://www.intel.com/technology/serialata/pdf/rev1_1.pdf
 */

#ifndef _AHCI_H
#define _AHCI_H

#include <linux/pci.h>
#include <linux/clk.h>
#include <linux/libata.h>
#include <linux/phy/phy.h>
#include <linux/regulator/consumer.h>
#include <linux/bits.h>

/* Enclosure Management Control */
#define EM_CTRL_MSG_TYPE …

/* Enclosure Management LED Message Type */
#define EM_MSG_LED_HBA_PORT …
#define EM_MSG_LED_PMP_SLOT …
#define EM_MSG_LED_VALUE …
#define EM_MSG_LED_VALUE_ACTIVITY …
#define EM_MSG_LED_VALUE_OFF …
#define EM_MSG_LED_VALUE_ON …

enum { … };

struct ahci_cmd_hdr { … };

struct ahci_sg { … };

struct ahci_em_priv { … };

struct ahci_port_priv { … };

struct ahci_host_priv { … };

extern int ahci_ignore_sss;

extern const struct attribute_group *ahci_shost_groups[];
extern const struct attribute_group *ahci_sdev_groups[];

/*
 * This must be instantiated by the edge drivers.  Read the comments
 * for ATA_BASE_SHT
 */
#define AHCI_SHT(drv_name) …

extern struct ata_port_operations ahci_ops;
extern struct ata_port_operations ahci_platform_ops;
extern struct ata_port_operations ahci_pmp_retry_srst_ops;

unsigned int ahci_dev_classify(struct ata_port *ap);
void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag,
			u32 opts);
void ahci_save_initial_config(struct device *dev,
			      struct ahci_host_priv *hpriv);
void ahci_init_controller(struct ata_host *host);
int ahci_reset_controller(struct ata_host *host);

int ahci_do_softreset(struct ata_link *link, unsigned int *class,
		      int pmp, unsigned long deadline,
		      int (*check_ready)(struct ata_link *link));

int ahci_do_hardreset(struct ata_link *link, unsigned int *class,
		      unsigned long deadline, bool *online);

unsigned int ahci_qc_issue(struct ata_queued_cmd *qc);
int ahci_stop_engine(struct ata_port *ap);
void ahci_start_fis_rx(struct ata_port *ap);
void ahci_start_engine(struct ata_port *ap);
int ahci_check_ready(struct ata_link *link);
int ahci_kick_engine(struct ata_port *ap);
int ahci_port_resume(struct ata_port *ap);
void ahci_set_em_messages(struct ahci_host_priv *hpriv,
			  struct ata_port_info *pi);
int ahci_reset_em(struct ata_host *host);
void ahci_print_info(struct ata_host *host, const char *scc_s);
int ahci_host_activate(struct ata_host *host, const struct scsi_host_template *sht);
void ahci_error_handler(struct ata_port *ap);
u32 ahci_handle_port_intr(struct ata_host *host, u32 irq_masked);

static inline void __iomem *__ahci_port_base(struct ahci_host_priv *hpriv,
					     unsigned int port_no)
{ … }

static inline void __iomem *ahci_port_base(struct ata_port *ap)
{ … }

static inline int ahci_nr_ports(u32 cap)
{ … }

#endif /* _AHCI_H */