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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__ */
1/*
2 * libata.h - helper library for ATA
3 *
4 * Copyright 2003-2004 Red Hat, Inc. All rights reserved.
5 * Copyright 2003-2004 Jeff Garzik
6 *
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2, or (at your option)
11 * any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; see the file COPYING. If not, write to
20 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
21 *
22 *
23 * libata documentation is available via 'make {ps|pdf}docs',
24 * as Documentation/driver-api/libata.rst
25 *
26 */
27
28#ifndef __LIBATA_H__
29#define __LIBATA_H__
30
31#define DRV_NAME "libata"
32#define DRV_VERSION "3.00" /* must be exactly four chars */
33
34/* libata-core.c */
35enum {
36 /* flags for ata_dev_read_id() */
37 ATA_READID_POSTRESET = (1 << 0), /* reading ID after reset */
38
39 /* selector for ata_down_xfermask_limit() */
40 ATA_DNXFER_PIO = 0, /* speed down PIO */
41 ATA_DNXFER_DMA = 1, /* speed down DMA */
42 ATA_DNXFER_40C = 2, /* apply 40c cable limit */
43 ATA_DNXFER_FORCE_PIO = 3, /* force PIO */
44 ATA_DNXFER_FORCE_PIO0 = 4, /* force PIO0 */
45
46 ATA_DNXFER_QUIET = (1 << 31),
47};
48
49extern atomic_t ata_print_id;
50extern int atapi_passthru16;
51extern int libata_fua;
52extern int libata_noacpi;
53extern int libata_allow_tpm;
54extern const struct device_type ata_port_type;
55extern struct ata_link *ata_dev_phys_link(struct ata_device *dev);
56extern void ata_force_cbl(struct ata_port *ap);
57extern u64 ata_tf_to_lba(const struct ata_taskfile *tf);
58extern u64 ata_tf_to_lba48(const struct ata_taskfile *tf);
59extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev, int tag);
60extern int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev,
61 u64 block, u32 n_block, unsigned int tf_flags,
62 unsigned int tag, int class);
63extern u64 ata_tf_read_block(const struct ata_taskfile *tf,
64 struct ata_device *dev);
65extern unsigned ata_exec_internal(struct ata_device *dev,
66 struct ata_taskfile *tf, const u8 *cdb,
67 int dma_dir, void *buf, unsigned int buflen,
68 unsigned long timeout);
69extern unsigned ata_exec_internal_sg(struct ata_device *dev,
70 struct ata_taskfile *tf, const u8 *cdb,
71 int dma_dir, struct scatterlist *sg,
72 unsigned int n_elem, unsigned long timeout);
73extern int ata_wait_ready(struct ata_link *link, unsigned long deadline,
74 int (*check_ready)(struct ata_link *link));
75extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
76 unsigned int flags, u16 *id);
77extern int ata_dev_reread_id(struct ata_device *dev, unsigned int readid_flags);
78extern int ata_dev_revalidate(struct ata_device *dev, unsigned int new_class,
79 unsigned int readid_flags);
80extern int ata_dev_configure(struct ata_device *dev);
81extern int sata_down_spd_limit(struct ata_link *link, u32 spd_limit);
82extern int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel);
83extern unsigned int ata_dev_set_feature(struct ata_device *dev,
84 u8 enable, u8 feature);
85extern void ata_qc_free(struct ata_queued_cmd *qc);
86extern void ata_qc_issue(struct ata_queued_cmd *qc);
87extern void __ata_qc_complete(struct ata_queued_cmd *qc);
88extern int atapi_check_dma(struct ata_queued_cmd *qc);
89extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
90extern bool ata_phys_link_online(struct ata_link *link);
91extern bool ata_phys_link_offline(struct ata_link *link);
92extern void ata_dev_init(struct ata_device *dev);
93extern void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp);
94extern int sata_link_init_spd(struct ata_link *link);
95extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
96extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
97extern struct ata_port *ata_port_alloc(struct ata_host *host);
98extern const char *sata_spd_string(unsigned int spd);
99extern int ata_port_probe(struct ata_port *ap);
100extern void __ata_port_probe(struct ata_port *ap);
101extern unsigned int ata_read_log_page(struct ata_device *dev, u8 log,
102 u8 page, void *buf, unsigned int sectors);
103extern void ata_host_get(struct ata_host *host);
104extern void ata_host_put(struct ata_host *host);
105
106#define to_ata_port(d) container_of(d, struct ata_port, tdev)
107
108/* libata-acpi.c */
109#ifdef CONFIG_ATA_ACPI
110extern unsigned int ata_acpi_gtf_filter;
111extern void ata_acpi_dissociate(struct ata_host *host);
112extern int ata_acpi_on_suspend(struct ata_port *ap);
113extern void ata_acpi_on_resume(struct ata_port *ap);
114extern int ata_acpi_on_devcfg(struct ata_device *dev);
115extern void ata_acpi_on_disable(struct ata_device *dev);
116extern void ata_acpi_set_state(struct ata_port *ap, pm_message_t state);
117extern void ata_acpi_bind_port(struct ata_port *ap);
118extern void ata_acpi_bind_dev(struct ata_device *dev);
119extern acpi_handle ata_dev_acpi_handle(struct ata_device *dev);
120#else
121static inline void ata_acpi_dissociate(struct ata_host *host) { }
122static inline int ata_acpi_on_suspend(struct ata_port *ap) { return 0; }
123static inline void ata_acpi_on_resume(struct ata_port *ap) { }
124static inline int ata_acpi_on_devcfg(struct ata_device *dev) { return 0; }
125static inline void ata_acpi_on_disable(struct ata_device *dev) { }
126static inline void ata_acpi_set_state(struct ata_port *ap,
127 pm_message_t state) { }
128static inline void ata_acpi_bind_port(struct ata_port *ap) {}
129static inline void ata_acpi_bind_dev(struct ata_device *dev) {}
130#endif
131
132/* libata-scsi.c */
133extern int ata_scsi_add_hosts(struct ata_host *host,
134 struct scsi_host_template *sht);
135extern void ata_scsi_scan_host(struct ata_port *ap, int sync);
136extern int ata_scsi_offline_dev(struct ata_device *dev);
137extern void ata_scsi_set_sense(struct ata_device *dev,
138 struct scsi_cmnd *cmd, u8 sk, u8 asc, u8 ascq);
139extern void ata_scsi_set_sense_information(struct ata_device *dev,
140 struct scsi_cmnd *cmd,
141 const struct ata_taskfile *tf);
142extern void ata_scsi_media_change_notify(struct ata_device *dev);
143extern void ata_scsi_hotplug(struct work_struct *work);
144extern void ata_schedule_scsi_eh(struct Scsi_Host *shost);
145extern void ata_scsi_dev_rescan(struct work_struct *work);
146extern int ata_bus_probe(struct ata_port *ap);
147extern int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel,
148 unsigned int id, u64 lun);
149int ata_sas_allocate_tag(struct ata_port *ap);
150void ata_sas_free_tag(unsigned int tag, struct ata_port *ap);
151
152
153/* libata-eh.c */
154extern unsigned long ata_internal_cmd_timeout(struct ata_device *dev, u8 cmd);
155extern void ata_internal_cmd_timed_out(struct ata_device *dev, u8 cmd);
156extern void ata_eh_acquire(struct ata_port *ap);
157extern void ata_eh_release(struct ata_port *ap);
158extern void ata_scsi_error(struct Scsi_Host *host);
159extern void ata_eh_fastdrain_timerfn(struct timer_list *t);
160extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc);
161extern void ata_dev_disable(struct ata_device *dev);
162extern void ata_eh_detach_dev(struct ata_device *dev);
163extern void ata_eh_about_to_do(struct ata_link *link, struct ata_device *dev,
164 unsigned int action);
165extern void ata_eh_done(struct ata_link *link, struct ata_device *dev,
166 unsigned int action);
167extern void ata_eh_autopsy(struct ata_port *ap);
168const char *ata_get_cmd_descript(u8 command);
169extern void ata_eh_report(struct ata_port *ap);
170extern int ata_eh_reset(struct ata_link *link, int classify,
171 ata_prereset_fn_t prereset, ata_reset_fn_t softreset,
172 ata_reset_fn_t hardreset, ata_postreset_fn_t postreset);
173extern int ata_set_mode(struct ata_link *link, struct ata_device **r_failed_dev);
174extern int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
175 ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
176 ata_postreset_fn_t postreset,
177 struct ata_link **r_failed_disk);
178extern void ata_eh_finish(struct ata_port *ap);
179extern int ata_ering_map(struct ata_ering *ering,
180 int (*map_fn)(struct ata_ering_entry *, void *),
181 void *arg);
182extern unsigned int atapi_eh_tur(struct ata_device *dev, u8 *r_sense_key);
183extern unsigned int atapi_eh_request_sense(struct ata_device *dev,
184 u8 *sense_buf, u8 dfl_sense_key);
185
186/* libata-pmp.c */
187#ifdef CONFIG_SATA_PMP
188extern int sata_pmp_scr_read(struct ata_link *link, int reg, u32 *val);
189extern int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val);
190extern int sata_pmp_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
191 unsigned hints);
192extern int sata_pmp_attach(struct ata_device *dev);
193#else /* CONFIG_SATA_PMP */
194static inline int sata_pmp_scr_read(struct ata_link *link, int reg, u32 *val)
195{
196 return -EINVAL;
197}
198
199static inline int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val)
200{
201 return -EINVAL;
202}
203
204static inline int sata_pmp_set_lpm(struct ata_link *link,
205 enum ata_lpm_policy policy, unsigned hints)
206{
207 return -EINVAL;
208}
209
210static inline int sata_pmp_attach(struct ata_device *dev)
211{
212 return -EINVAL;
213}
214#endif /* CONFIG_SATA_PMP */
215
216/* libata-sff.c */
217#ifdef CONFIG_ATA_SFF
218extern void ata_sff_flush_pio_task(struct ata_port *ap);
219extern void ata_sff_port_init(struct ata_port *ap);
220extern int ata_sff_init(void);
221extern void ata_sff_exit(void);
222#else /* CONFIG_ATA_SFF */
223static inline void ata_sff_flush_pio_task(struct ata_port *ap)
224{ }
225static inline void ata_sff_port_init(struct ata_port *ap)
226{ }
227static inline int ata_sff_init(void)
228{ return 0; }
229static inline void ata_sff_exit(void)
230{ }
231#endif /* CONFIG_ATA_SFF */
232
233/* libata-zpodd.c */
234#ifdef CONFIG_SATA_ZPODD
235void zpodd_init(struct ata_device *dev);
236void zpodd_exit(struct ata_device *dev);
237static inline bool zpodd_dev_enabled(struct ata_device *dev)
238{
239 return dev->zpodd != NULL;
240}
241void zpodd_on_suspend(struct ata_device *dev);
242bool zpodd_zpready(struct ata_device *dev);
243void zpodd_enable_run_wake(struct ata_device *dev);
244void zpodd_disable_run_wake(struct ata_device *dev);
245void zpodd_post_poweron(struct ata_device *dev);
246#else /* CONFIG_SATA_ZPODD */
247static inline void zpodd_init(struct ata_device *dev) {}
248static inline void zpodd_exit(struct ata_device *dev) {}
249static inline bool zpodd_dev_enabled(struct ata_device *dev) { return false; }
250static inline void zpodd_on_suspend(struct ata_device *dev) {}
251static inline bool zpodd_zpready(struct ata_device *dev) { return false; }
252static inline void zpodd_enable_run_wake(struct ata_device *dev) {}
253static inline void zpodd_disable_run_wake(struct ata_device *dev) {}
254static inline void zpodd_post_poweron(struct ata_device *dev) {}
255#endif /* CONFIG_SATA_ZPODD */
256
257#endif /* __LIBATA_H__ */