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v6.13.7
  1/* SPDX-License-Identifier: GPL-2.0-or-later */
  2/*
  3 *  libata.h - helper library for ATA
  4 *
  5 *  Copyright 2003-2004 Red Hat, Inc.  All rights reserved.
  6 *  Copyright 2003-2004 Jeff Garzik
  7 *
  8 *  libata documentation is available via 'make {ps|pdf}docs',
  9 *  as Documentation/driver-api/libata.rst
 10 */
 11
 12#ifndef __LIBATA_H__
 13#define __LIBATA_H__
 14
 15#define DRV_NAME	"libata"
 16#define DRV_VERSION	"3.00"	/* must be exactly four chars */
 17
 18/* libata-core.c */
 19enum {
 20	/* flags for ata_dev_read_id() */
 21	ATA_READID_POSTRESET	= (1 << 0), /* reading ID after reset */
 22
 23	/* selector for ata_down_xfermask_limit() */
 24	ATA_DNXFER_PIO		= 0,	/* speed down PIO */
 25	ATA_DNXFER_DMA		= 1,	/* speed down DMA */
 26	ATA_DNXFER_40C		= 2,	/* apply 40c cable limit */
 27	ATA_DNXFER_FORCE_PIO	= 3,	/* force PIO */
 28	ATA_DNXFER_FORCE_PIO0	= 4,	/* force PIO0 */
 29
 30	ATA_DNXFER_QUIET	= (1 << 31),
 31};
 32
 33#define ATA_PORT_TYPE_NAME	"ata_port"
 34
 35extern int atapi_passthru16;
 36extern int libata_fua;
 37extern int libata_noacpi;
 38extern int libata_allow_tpm;
 39extern const struct device_type ata_port_type;
 40extern struct ata_link *ata_dev_phys_link(struct ata_device *dev);
 41
 42static inline bool ata_sstatus_online(u32 sstatus)
 43{
 44	return (sstatus & 0xf) == 0x3;
 45}
 46
 47#ifdef CONFIG_ATA_FORCE
 48extern void ata_force_cbl(struct ata_port *ap);
 49#else
 50static inline void ata_force_cbl(struct ata_port *ap) { }
 51#endif
 52extern u64 ata_tf_to_lba(const struct ata_taskfile *tf);
 53extern u64 ata_tf_to_lba48(const struct ata_taskfile *tf);
 54extern int ata_build_rw_tf(struct ata_queued_cmd *qc, u64 block, u32 n_block,
 55			   unsigned int tf_flags, int dld, int class);
 
 
 56extern u64 ata_tf_read_block(const struct ata_taskfile *tf,
 57			     struct ata_device *dev);
 58unsigned int ata_exec_internal(struct ata_device *dev, struct ata_taskfile *tf,
 59			       const u8 *cdb, enum dma_data_direction dma_dir,
 60			       void *buf, unsigned int buflen,
 61			       unsigned int timeout);
 
 
 
 
 62extern int ata_wait_ready(struct ata_link *link, unsigned long deadline,
 63			  int (*check_ready)(struct ata_link *link));
 64extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
 65			   unsigned int flags, u16 *id);
 66extern int ata_dev_reread_id(struct ata_device *dev, unsigned int readid_flags);
 67extern int ata_dev_revalidate(struct ata_device *dev, unsigned int new_class,
 68			      unsigned int readid_flags);
 69extern int ata_dev_configure(struct ata_device *dev);
 70extern bool ata_dev_power_init_tf(struct ata_device *dev,
 71				  struct ata_taskfile *tf, bool set_active);
 72extern void ata_dev_power_set_standby(struct ata_device *dev);
 73extern void ata_dev_power_set_active(struct ata_device *dev);
 74void ata_dev_free_resources(struct ata_device *dev);
 75extern int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel);
 76extern unsigned int ata_dev_set_feature(struct ata_device *dev,
 77					u8 subcmd, u8 action);
 78extern void ata_qc_free(struct ata_queued_cmd *qc);
 79extern void ata_qc_issue(struct ata_queued_cmd *qc);
 80extern void __ata_qc_complete(struct ata_queued_cmd *qc);
 81extern int atapi_check_dma(struct ata_queued_cmd *qc);
 82extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
 83extern bool ata_phys_link_online(struct ata_link *link);
 84extern bool ata_phys_link_offline(struct ata_link *link);
 85extern void ata_dev_init(struct ata_device *dev);
 86extern void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp);
 87extern int sata_link_init_spd(struct ata_link *link);
 88extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
 89extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
 
 90extern const char *sata_spd_string(unsigned int spd);
 
 
 91extern unsigned int ata_read_log_page(struct ata_device *dev, u8 log,
 92				      u8 page, void *buf, unsigned int sectors);
 93void ata_dev_cleanup_cdl_resources(struct ata_device *dev);
 94
 95#define to_ata_port(d) container_of(d, struct ata_port, tdev)
 96
 97/* libata-sata.c */
 98#ifdef CONFIG_SATA_HOST
 99int sata_down_spd_limit(struct ata_link *link, u32 spd_limit);
100int ata_eh_get_ncq_success_sense(struct ata_link *link);
101#else
102static inline int sata_down_spd_limit(struct ata_link *link, u32 spd_limit)
103{
104	return -EOPNOTSUPP;
105}
106static inline int ata_eh_get_ncq_success_sense(struct ata_link *link)
107{
108	return -EOPNOTSUPP;
109}
110#endif
111
112/* libata-acpi.c */
113#ifdef CONFIG_ATA_ACPI
114extern unsigned int ata_acpi_gtf_filter;
115extern void ata_acpi_dissociate(struct ata_host *host);
 
116extern void ata_acpi_on_resume(struct ata_port *ap);
117extern int ata_acpi_on_devcfg(struct ata_device *dev);
118extern void ata_acpi_on_disable(struct ata_device *dev);
119extern void ata_acpi_set_state(struct ata_port *ap, pm_message_t state);
120extern void ata_acpi_bind_port(struct ata_port *ap);
121extern void ata_acpi_bind_dev(struct ata_device *dev);
122extern acpi_handle ata_dev_acpi_handle(struct ata_device *dev);
123#else
124static inline void ata_acpi_dissociate(struct ata_host *host) { }
 
125static inline void ata_acpi_on_resume(struct ata_port *ap) { }
126static inline int ata_acpi_on_devcfg(struct ata_device *dev) { return 0; }
127static inline void ata_acpi_on_disable(struct ata_device *dev) { }
128static inline void ata_acpi_set_state(struct ata_port *ap,
129				      pm_message_t state) { }
130static inline void ata_acpi_bind_port(struct ata_port *ap) {}
131static inline void ata_acpi_bind_dev(struct ata_device *dev) {}
132#endif
133
134/* libata-scsi.c */
135extern struct ata_device *ata_scsi_find_dev(struct ata_port *ap,
136					    const struct scsi_device *scsidev);
137extern int ata_scsi_add_hosts(struct ata_host *host,
138			      const struct scsi_host_template *sht);
139extern void ata_scsi_scan_host(struct ata_port *ap, int sync);
140extern int ata_scsi_offline_dev(struct ata_device *dev);
141extern bool ata_scsi_sense_is_valid(u8 sk, u8 asc, u8 ascq);
142extern void ata_scsi_set_sense(struct ata_device *dev,
143			       struct scsi_cmnd *cmd, u8 sk, u8 asc, u8 ascq);
144extern void ata_scsi_set_sense_information(struct ata_device *dev,
145					   struct scsi_cmnd *cmd,
146					   const struct ata_taskfile *tf);
147extern void ata_scsi_media_change_notify(struct ata_device *dev);
148extern void ata_scsi_hotplug(struct work_struct *work);
 
149extern void ata_scsi_dev_rescan(struct work_struct *work);
 
150extern int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel,
151			      unsigned int id, u64 lun);
152void ata_scsi_sdev_config(struct scsi_device *sdev);
153int ata_scsi_dev_config(struct scsi_device *sdev, struct queue_limits *lim,
154		struct ata_device *dev);
155int __ata_scsi_queuecmd(struct scsi_cmnd *scmd, struct ata_device *dev);
156
157/* libata-eh.c */
158extern unsigned int ata_internal_cmd_timeout(struct ata_device *dev, u8 cmd);
159extern void ata_internal_cmd_timed_out(struct ata_device *dev, u8 cmd);
160extern void ata_eh_acquire(struct ata_port *ap);
161extern void ata_eh_release(struct ata_port *ap);
162extern void ata_scsi_error(struct Scsi_Host *host);
163extern void ata_eh_fastdrain_timerfn(struct timer_list *t);
164extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc);
165extern void ata_dev_disable(struct ata_device *dev);
166extern void ata_eh_detach_dev(struct ata_device *dev);
167extern void ata_eh_about_to_do(struct ata_link *link, struct ata_device *dev,
168			       unsigned int action);
169extern void ata_eh_done(struct ata_link *link, struct ata_device *dev,
170			unsigned int action);
171extern void ata_eh_autopsy(struct ata_port *ap);
172const char *ata_get_cmd_name(u8 command);
173extern void ata_eh_report(struct ata_port *ap);
174extern int ata_eh_reset(struct ata_link *link, int classify,
175			ata_prereset_fn_t prereset, ata_reset_fn_t softreset,
176			ata_reset_fn_t hardreset, ata_postreset_fn_t postreset);
177extern int ata_set_mode(struct ata_link *link, struct ata_device **r_failed_dev);
178extern int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
179			  ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
180			  ata_postreset_fn_t postreset,
181			  struct ata_link **r_failed_disk);
182extern void ata_eh_finish(struct ata_port *ap);
183extern int ata_ering_map(struct ata_ering *ering,
184			 int (*map_fn)(struct ata_ering_entry *, void *),
185			 void *arg);
186enum scsi_disposition ata_eh_decide_disposition(struct ata_queued_cmd *qc);
187extern unsigned int atapi_eh_tur(struct ata_device *dev, u8 *r_sense_key);
188extern unsigned int atapi_eh_request_sense(struct ata_device *dev,
189					   u8 *sense_buf, u8 dfl_sense_key);
190
191/* libata-pmp.c */
192#ifdef CONFIG_SATA_PMP
193extern int sata_pmp_scr_read(struct ata_link *link, int reg, u32 *val);
194extern int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val);
195extern int sata_pmp_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
196			    unsigned hints);
197extern int sata_pmp_attach(struct ata_device *dev);
198#else /* CONFIG_SATA_PMP */
199static inline int sata_pmp_scr_read(struct ata_link *link, int reg, u32 *val)
200{
201	return -EINVAL;
202}
203
204static inline int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val)
205{
206	return -EINVAL;
207}
208
209static inline int sata_pmp_set_lpm(struct ata_link *link,
210				   enum ata_lpm_policy policy, unsigned hints)
211{
212	return -EINVAL;
213}
214
215static inline int sata_pmp_attach(struct ata_device *dev)
216{
217	return -EINVAL;
218}
219#endif /* CONFIG_SATA_PMP */
220
221/* libata-sff.c */
222#ifdef CONFIG_ATA_SFF
223extern void ata_sff_flush_pio_task(struct ata_port *ap);
224extern void ata_sff_port_init(struct ata_port *ap);
225extern int ata_sff_init(void);
226extern void ata_sff_exit(void);
227#else /* CONFIG_ATA_SFF */
228static inline void ata_sff_flush_pio_task(struct ata_port *ap)
229{ }
230static inline void ata_sff_port_init(struct ata_port *ap)
231{ }
232static inline int ata_sff_init(void)
233{ return 0; }
234static inline void ata_sff_exit(void)
235{ }
236#endif /* CONFIG_ATA_SFF */
237
238/* libata-zpodd.c */
239#ifdef CONFIG_SATA_ZPODD
240void zpodd_init(struct ata_device *dev);
241void zpodd_exit(struct ata_device *dev);
242static inline bool zpodd_dev_enabled(struct ata_device *dev)
243{
244	return dev->zpodd != NULL;
245}
246void zpodd_on_suspend(struct ata_device *dev);
247bool zpodd_zpready(struct ata_device *dev);
248void zpodd_enable_run_wake(struct ata_device *dev);
249void zpodd_disable_run_wake(struct ata_device *dev);
250void zpodd_post_poweron(struct ata_device *dev);
251#else /* CONFIG_SATA_ZPODD */
252static inline void zpodd_init(struct ata_device *dev) {}
253static inline void zpodd_exit(struct ata_device *dev) {}
254static inline bool zpodd_dev_enabled(struct ata_device *dev) { return false; }
255static inline void zpodd_on_suspend(struct ata_device *dev) {}
256static inline bool zpodd_zpready(struct ata_device *dev) { return false; }
257static inline void zpodd_enable_run_wake(struct ata_device *dev) {}
258static inline void zpodd_disable_run_wake(struct ata_device *dev) {}
259static inline void zpodd_post_poweron(struct ata_device *dev) {}
260#endif /* CONFIG_SATA_ZPODD */
261
262#endif /* __LIBATA_H__ */
v5.4
  1/* SPDX-License-Identifier: GPL-2.0-or-later */
  2/*
  3 *  libata.h - helper library for ATA
  4 *
  5 *  Copyright 2003-2004 Red Hat, Inc.  All rights reserved.
  6 *  Copyright 2003-2004 Jeff Garzik
  7 *
  8 *  libata documentation is available via 'make {ps|pdf}docs',
  9 *  as Documentation/driver-api/libata.rst
 10 */
 11
 12#ifndef __LIBATA_H__
 13#define __LIBATA_H__
 14
 15#define DRV_NAME	"libata"
 16#define DRV_VERSION	"3.00"	/* must be exactly four chars */
 17
 18/* libata-core.c */
 19enum {
 20	/* flags for ata_dev_read_id() */
 21	ATA_READID_POSTRESET	= (1 << 0), /* reading ID after reset */
 22
 23	/* selector for ata_down_xfermask_limit() */
 24	ATA_DNXFER_PIO		= 0,	/* speed down PIO */
 25	ATA_DNXFER_DMA		= 1,	/* speed down DMA */
 26	ATA_DNXFER_40C		= 2,	/* apply 40c cable limit */
 27	ATA_DNXFER_FORCE_PIO	= 3,	/* force PIO */
 28	ATA_DNXFER_FORCE_PIO0	= 4,	/* force PIO0 */
 29
 30	ATA_DNXFER_QUIET	= (1 << 31),
 31};
 32
 33extern atomic_t ata_print_id;
 
 34extern int atapi_passthru16;
 35extern int libata_fua;
 36extern int libata_noacpi;
 37extern int libata_allow_tpm;
 38extern const struct device_type ata_port_type;
 39extern struct ata_link *ata_dev_phys_link(struct ata_device *dev);
 
 
 
 
 
 
 
 40extern void ata_force_cbl(struct ata_port *ap);
 
 
 
 41extern u64 ata_tf_to_lba(const struct ata_taskfile *tf);
 42extern u64 ata_tf_to_lba48(const struct ata_taskfile *tf);
 43extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev, int tag);
 44extern int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev,
 45			   u64 block, u32 n_block, unsigned int tf_flags,
 46			   unsigned int tag, int class);
 47extern u64 ata_tf_read_block(const struct ata_taskfile *tf,
 48			     struct ata_device *dev);
 49extern unsigned ata_exec_internal(struct ata_device *dev,
 50				  struct ata_taskfile *tf, const u8 *cdb,
 51				  int dma_dir, void *buf, unsigned int buflen,
 52				  unsigned long timeout);
 53extern unsigned ata_exec_internal_sg(struct ata_device *dev,
 54				     struct ata_taskfile *tf, const u8 *cdb,
 55				     int dma_dir, struct scatterlist *sg,
 56				     unsigned int n_elem, unsigned long timeout);
 57extern int ata_wait_ready(struct ata_link *link, unsigned long deadline,
 58			  int (*check_ready)(struct ata_link *link));
 59extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
 60			   unsigned int flags, u16 *id);
 61extern int ata_dev_reread_id(struct ata_device *dev, unsigned int readid_flags);
 62extern int ata_dev_revalidate(struct ata_device *dev, unsigned int new_class,
 63			      unsigned int readid_flags);
 64extern int ata_dev_configure(struct ata_device *dev);
 65extern int sata_down_spd_limit(struct ata_link *link, u32 spd_limit);
 
 
 
 
 66extern int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel);
 67extern unsigned int ata_dev_set_feature(struct ata_device *dev,
 68					u8 enable, u8 feature);
 69extern void ata_qc_free(struct ata_queued_cmd *qc);
 70extern void ata_qc_issue(struct ata_queued_cmd *qc);
 71extern void __ata_qc_complete(struct ata_queued_cmd *qc);
 72extern int atapi_check_dma(struct ata_queued_cmd *qc);
 73extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
 74extern bool ata_phys_link_online(struct ata_link *link);
 75extern bool ata_phys_link_offline(struct ata_link *link);
 76extern void ata_dev_init(struct ata_device *dev);
 77extern void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp);
 78extern int sata_link_init_spd(struct ata_link *link);
 79extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
 80extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
 81extern struct ata_port *ata_port_alloc(struct ata_host *host);
 82extern const char *sata_spd_string(unsigned int spd);
 83extern int ata_port_probe(struct ata_port *ap);
 84extern void __ata_port_probe(struct ata_port *ap);
 85extern unsigned int ata_read_log_page(struct ata_device *dev, u8 log,
 86				      u8 page, void *buf, unsigned int sectors);
 
 87
 88#define to_ata_port(d) container_of(d, struct ata_port, tdev)
 89
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 90/* libata-acpi.c */
 91#ifdef CONFIG_ATA_ACPI
 92extern unsigned int ata_acpi_gtf_filter;
 93extern void ata_acpi_dissociate(struct ata_host *host);
 94extern int ata_acpi_on_suspend(struct ata_port *ap);
 95extern void ata_acpi_on_resume(struct ata_port *ap);
 96extern int ata_acpi_on_devcfg(struct ata_device *dev);
 97extern void ata_acpi_on_disable(struct ata_device *dev);
 98extern void ata_acpi_set_state(struct ata_port *ap, pm_message_t state);
 99extern void ata_acpi_bind_port(struct ata_port *ap);
100extern void ata_acpi_bind_dev(struct ata_device *dev);
101extern acpi_handle ata_dev_acpi_handle(struct ata_device *dev);
102#else
103static inline void ata_acpi_dissociate(struct ata_host *host) { }
104static inline int ata_acpi_on_suspend(struct ata_port *ap) { return 0; }
105static inline void ata_acpi_on_resume(struct ata_port *ap) { }
106static inline int ata_acpi_on_devcfg(struct ata_device *dev) { return 0; }
107static inline void ata_acpi_on_disable(struct ata_device *dev) { }
108static inline void ata_acpi_set_state(struct ata_port *ap,
109				      pm_message_t state) { }
110static inline void ata_acpi_bind_port(struct ata_port *ap) {}
111static inline void ata_acpi_bind_dev(struct ata_device *dev) {}
112#endif
113
114/* libata-scsi.c */
 
 
115extern int ata_scsi_add_hosts(struct ata_host *host,
116			      struct scsi_host_template *sht);
117extern void ata_scsi_scan_host(struct ata_port *ap, int sync);
118extern int ata_scsi_offline_dev(struct ata_device *dev);
 
119extern void ata_scsi_set_sense(struct ata_device *dev,
120			       struct scsi_cmnd *cmd, u8 sk, u8 asc, u8 ascq);
121extern void ata_scsi_set_sense_information(struct ata_device *dev,
122					   struct scsi_cmnd *cmd,
123					   const struct ata_taskfile *tf);
124extern void ata_scsi_media_change_notify(struct ata_device *dev);
125extern void ata_scsi_hotplug(struct work_struct *work);
126extern void ata_schedule_scsi_eh(struct Scsi_Host *shost);
127extern void ata_scsi_dev_rescan(struct work_struct *work);
128extern int ata_bus_probe(struct ata_port *ap);
129extern int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel,
130			      unsigned int id, u64 lun);
131int ata_sas_allocate_tag(struct ata_port *ap);
132void ata_sas_free_tag(unsigned int tag, struct ata_port *ap);
133
 
134
135/* libata-eh.c */
136extern unsigned long ata_internal_cmd_timeout(struct ata_device *dev, u8 cmd);
137extern void ata_internal_cmd_timed_out(struct ata_device *dev, u8 cmd);
138extern void ata_eh_acquire(struct ata_port *ap);
139extern void ata_eh_release(struct ata_port *ap);
140extern void ata_scsi_error(struct Scsi_Host *host);
141extern void ata_eh_fastdrain_timerfn(struct timer_list *t);
142extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc);
143extern void ata_dev_disable(struct ata_device *dev);
144extern void ata_eh_detach_dev(struct ata_device *dev);
145extern void ata_eh_about_to_do(struct ata_link *link, struct ata_device *dev,
146			       unsigned int action);
147extern void ata_eh_done(struct ata_link *link, struct ata_device *dev,
148			unsigned int action);
149extern void ata_eh_autopsy(struct ata_port *ap);
150const char *ata_get_cmd_descript(u8 command);
151extern void ata_eh_report(struct ata_port *ap);
152extern int ata_eh_reset(struct ata_link *link, int classify,
153			ata_prereset_fn_t prereset, ata_reset_fn_t softreset,
154			ata_reset_fn_t hardreset, ata_postreset_fn_t postreset);
155extern int ata_set_mode(struct ata_link *link, struct ata_device **r_failed_dev);
156extern int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
157			  ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
158			  ata_postreset_fn_t postreset,
159			  struct ata_link **r_failed_disk);
160extern void ata_eh_finish(struct ata_port *ap);
161extern int ata_ering_map(struct ata_ering *ering,
162			 int (*map_fn)(struct ata_ering_entry *, void *),
163		  	 void *arg);
 
164extern unsigned int atapi_eh_tur(struct ata_device *dev, u8 *r_sense_key);
165extern unsigned int atapi_eh_request_sense(struct ata_device *dev,
166					   u8 *sense_buf, u8 dfl_sense_key);
167
168/* libata-pmp.c */
169#ifdef CONFIG_SATA_PMP
170extern int sata_pmp_scr_read(struct ata_link *link, int reg, u32 *val);
171extern int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val);
172extern int sata_pmp_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
173			    unsigned hints);
174extern int sata_pmp_attach(struct ata_device *dev);
175#else /* CONFIG_SATA_PMP */
176static inline int sata_pmp_scr_read(struct ata_link *link, int reg, u32 *val)
177{
178	return -EINVAL;
179}
180
181static inline int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val)
182{
183	return -EINVAL;
184}
185
186static inline int sata_pmp_set_lpm(struct ata_link *link,
187				   enum ata_lpm_policy policy, unsigned hints)
188{
189	return -EINVAL;
190}
191
192static inline int sata_pmp_attach(struct ata_device *dev)
193{
194	return -EINVAL;
195}
196#endif /* CONFIG_SATA_PMP */
197
198/* libata-sff.c */
199#ifdef CONFIG_ATA_SFF
200extern void ata_sff_flush_pio_task(struct ata_port *ap);
201extern void ata_sff_port_init(struct ata_port *ap);
202extern int ata_sff_init(void);
203extern void ata_sff_exit(void);
204#else /* CONFIG_ATA_SFF */
205static inline void ata_sff_flush_pio_task(struct ata_port *ap)
206{ }
207static inline void ata_sff_port_init(struct ata_port *ap)
208{ }
209static inline int ata_sff_init(void)
210{ return 0; }
211static inline void ata_sff_exit(void)
212{ }
213#endif /* CONFIG_ATA_SFF */
214
215/* libata-zpodd.c */
216#ifdef CONFIG_SATA_ZPODD
217void zpodd_init(struct ata_device *dev);
218void zpodd_exit(struct ata_device *dev);
219static inline bool zpodd_dev_enabled(struct ata_device *dev)
220{
221	return dev->zpodd != NULL;
222}
223void zpodd_on_suspend(struct ata_device *dev);
224bool zpodd_zpready(struct ata_device *dev);
225void zpodd_enable_run_wake(struct ata_device *dev);
226void zpodd_disable_run_wake(struct ata_device *dev);
227void zpodd_post_poweron(struct ata_device *dev);
228#else /* CONFIG_SATA_ZPODD */
229static inline void zpodd_init(struct ata_device *dev) {}
230static inline void zpodd_exit(struct ata_device *dev) {}
231static inline bool zpodd_dev_enabled(struct ata_device *dev) { return false; }
232static inline void zpodd_on_suspend(struct ata_device *dev) {}
233static inline bool zpodd_zpready(struct ata_device *dev) { return false; }
234static inline void zpodd_enable_run_wake(struct ata_device *dev) {}
235static inline void zpodd_disable_run_wake(struct ata_device *dev) {}
236static inline void zpodd_post_poweron(struct ata_device *dev) {}
237#endif /* CONFIG_SATA_ZPODD */
238
239#endif /* __LIBATA_H__ */