This source file includes following definitions.
- ata_acpi_dissociate
- ata_acpi_on_suspend
- ata_acpi_on_resume
- ata_acpi_on_devcfg
- ata_acpi_on_disable
- ata_acpi_set_state
- ata_acpi_bind_port
- ata_acpi_bind_dev
- sata_pmp_scr_read
- sata_pmp_scr_write
- sata_pmp_set_lpm
- sata_pmp_attach
- ata_sff_flush_pio_task
- ata_sff_port_init
- ata_sff_init
- ata_sff_exit
- zpodd_dev_enabled
- zpodd_init
- zpodd_exit
- zpodd_dev_enabled
- zpodd_on_suspend
- zpodd_zpready
- zpodd_enable_run_wake
- zpodd_disable_run_wake
- zpodd_post_poweron
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12 #ifndef __LIBATA_H__
13 #define __LIBATA_H__
14
15 #define DRV_NAME "libata"
16 #define DRV_VERSION "3.00"
17
18
19 enum {
20
21 ATA_READID_POSTRESET = (1 << 0),
22
23
24 ATA_DNXFER_PIO = 0,
25 ATA_DNXFER_DMA = 1,
26 ATA_DNXFER_40C = 2,
27 ATA_DNXFER_FORCE_PIO = 3,
28 ATA_DNXFER_FORCE_PIO0 = 4,
29
30 ATA_DNXFER_QUIET = (1 << 31),
31 };
32
33 extern atomic_t ata_print_id;
34 extern int atapi_passthru16;
35 extern int libata_fua;
36 extern int libata_noacpi;
37 extern int libata_allow_tpm;
38 extern const struct device_type ata_port_type;
39 extern struct ata_link *ata_dev_phys_link(struct ata_device *dev);
40 extern void ata_force_cbl(struct ata_port *ap);
41 extern u64 ata_tf_to_lba(const struct ata_taskfile *tf);
42 extern u64 ata_tf_to_lba48(const struct ata_taskfile *tf);
43 extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev, int tag);
44 extern 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);
47 extern u64 ata_tf_read_block(const struct ata_taskfile *tf,
48 struct ata_device *dev);
49 extern 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);
53 extern 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);
57 extern int ata_wait_ready(struct ata_link *link, unsigned long deadline,
58 int (*check_ready)(struct ata_link *link));
59 extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
60 unsigned int flags, u16 *id);
61 extern int ata_dev_reread_id(struct ata_device *dev, unsigned int readid_flags);
62 extern int ata_dev_revalidate(struct ata_device *dev, unsigned int new_class,
63 unsigned int readid_flags);
64 extern int ata_dev_configure(struct ata_device *dev);
65 extern int sata_down_spd_limit(struct ata_link *link, u32 spd_limit);
66 extern int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel);
67 extern unsigned int ata_dev_set_feature(struct ata_device *dev,
68 u8 enable, u8 feature);
69 extern void ata_qc_free(struct ata_queued_cmd *qc);
70 extern void ata_qc_issue(struct ata_queued_cmd *qc);
71 extern void __ata_qc_complete(struct ata_queued_cmd *qc);
72 extern int atapi_check_dma(struct ata_queued_cmd *qc);
73 extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
74 extern bool ata_phys_link_online(struct ata_link *link);
75 extern bool ata_phys_link_offline(struct ata_link *link);
76 extern void ata_dev_init(struct ata_device *dev);
77 extern void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp);
78 extern int sata_link_init_spd(struct ata_link *link);
79 extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
80 extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
81 extern struct ata_port *ata_port_alloc(struct ata_host *host);
82 extern const char *sata_spd_string(unsigned int spd);
83 extern int ata_port_probe(struct ata_port *ap);
84 extern void __ata_port_probe(struct ata_port *ap);
85 extern 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
91 #ifdef CONFIG_ATA_ACPI
92 extern unsigned int ata_acpi_gtf_filter;
93 extern void ata_acpi_dissociate(struct ata_host *host);
94 extern int ata_acpi_on_suspend(struct ata_port *ap);
95 extern void ata_acpi_on_resume(struct ata_port *ap);
96 extern int ata_acpi_on_devcfg(struct ata_device *dev);
97 extern void ata_acpi_on_disable(struct ata_device *dev);
98 extern void ata_acpi_set_state(struct ata_port *ap, pm_message_t state);
99 extern void ata_acpi_bind_port(struct ata_port *ap);
100 extern void ata_acpi_bind_dev(struct ata_device *dev);
101 extern acpi_handle ata_dev_acpi_handle(struct ata_device *dev);
102 #else
103 static inline void ata_acpi_dissociate(struct ata_host *host) { }
104 static inline int ata_acpi_on_suspend(struct ata_port *ap) { return 0; }
105 static inline void ata_acpi_on_resume(struct ata_port *ap) { }
106 static inline int ata_acpi_on_devcfg(struct ata_device *dev) { return 0; }
107 static inline void ata_acpi_on_disable(struct ata_device *dev) { }
108 static inline void ata_acpi_set_state(struct ata_port *ap,
109 pm_message_t state) { }
110 static inline void ata_acpi_bind_port(struct ata_port *ap) {}
111 static inline void ata_acpi_bind_dev(struct ata_device *dev) {}
112 #endif
113
114
115 extern int ata_scsi_add_hosts(struct ata_host *host,
116 struct scsi_host_template *sht);
117 extern void ata_scsi_scan_host(struct ata_port *ap, int sync);
118 extern int ata_scsi_offline_dev(struct ata_device *dev);
119 extern void ata_scsi_set_sense(struct ata_device *dev,
120 struct scsi_cmnd *cmd, u8 sk, u8 asc, u8 ascq);
121 extern void ata_scsi_set_sense_information(struct ata_device *dev,
122 struct scsi_cmnd *cmd,
123 const struct ata_taskfile *tf);
124 extern void ata_scsi_media_change_notify(struct ata_device *dev);
125 extern void ata_scsi_hotplug(struct work_struct *work);
126 extern void ata_schedule_scsi_eh(struct Scsi_Host *shost);
127 extern void ata_scsi_dev_rescan(struct work_struct *work);
128 extern int ata_bus_probe(struct ata_port *ap);
129 extern int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel,
130 unsigned int id, u64 lun);
131 int ata_sas_allocate_tag(struct ata_port *ap);
132 void ata_sas_free_tag(unsigned int tag, struct ata_port *ap);
133
134
135
136 extern unsigned long ata_internal_cmd_timeout(struct ata_device *dev, u8 cmd);
137 extern void ata_internal_cmd_timed_out(struct ata_device *dev, u8 cmd);
138 extern void ata_eh_acquire(struct ata_port *ap);
139 extern void ata_eh_release(struct ata_port *ap);
140 extern void ata_scsi_error(struct Scsi_Host *host);
141 extern void ata_eh_fastdrain_timerfn(struct timer_list *t);
142 extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc);
143 extern void ata_dev_disable(struct ata_device *dev);
144 extern void ata_eh_detach_dev(struct ata_device *dev);
145 extern void ata_eh_about_to_do(struct ata_link *link, struct ata_device *dev,
146 unsigned int action);
147 extern void ata_eh_done(struct ata_link *link, struct ata_device *dev,
148 unsigned int action);
149 extern void ata_eh_autopsy(struct ata_port *ap);
150 const char *ata_get_cmd_descript(u8 command);
151 extern void ata_eh_report(struct ata_port *ap);
152 extern 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);
155 extern int ata_set_mode(struct ata_link *link, struct ata_device **r_failed_dev);
156 extern 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);
160 extern void ata_eh_finish(struct ata_port *ap);
161 extern int ata_ering_map(struct ata_ering *ering,
162 int (*map_fn)(struct ata_ering_entry *, void *),
163 void *arg);
164 extern unsigned int atapi_eh_tur(struct ata_device *dev, u8 *r_sense_key);
165 extern unsigned int atapi_eh_request_sense(struct ata_device *dev,
166 u8 *sense_buf, u8 dfl_sense_key);
167
168
169 #ifdef CONFIG_SATA_PMP
170 extern int sata_pmp_scr_read(struct ata_link *link, int reg, u32 *val);
171 extern int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val);
172 extern int sata_pmp_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
173 unsigned hints);
174 extern int sata_pmp_attach(struct ata_device *dev);
175 #else
176 static inline int sata_pmp_scr_read(struct ata_link *link, int reg, u32 *val)
177 {
178 return -EINVAL;
179 }
180
181 static inline int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val)
182 {
183 return -EINVAL;
184 }
185
186 static inline int sata_pmp_set_lpm(struct ata_link *link,
187 enum ata_lpm_policy policy, unsigned hints)
188 {
189 return -EINVAL;
190 }
191
192 static inline int sata_pmp_attach(struct ata_device *dev)
193 {
194 return -EINVAL;
195 }
196 #endif
197
198
199 #ifdef CONFIG_ATA_SFF
200 extern void ata_sff_flush_pio_task(struct ata_port *ap);
201 extern void ata_sff_port_init(struct ata_port *ap);
202 extern int ata_sff_init(void);
203 extern void ata_sff_exit(void);
204 #else
205 static inline void ata_sff_flush_pio_task(struct ata_port *ap)
206 { }
207 static inline void ata_sff_port_init(struct ata_port *ap)
208 { }
209 static inline int ata_sff_init(void)
210 { return 0; }
211 static inline void ata_sff_exit(void)
212 { }
213 #endif
214
215
216 #ifdef CONFIG_SATA_ZPODD
217 void zpodd_init(struct ata_device *dev);
218 void zpodd_exit(struct ata_device *dev);
219 static inline bool zpodd_dev_enabled(struct ata_device *dev)
220 {
221 return dev->zpodd != NULL;
222 }
223 void zpodd_on_suspend(struct ata_device *dev);
224 bool zpodd_zpready(struct ata_device *dev);
225 void zpodd_enable_run_wake(struct ata_device *dev);
226 void zpodd_disable_run_wake(struct ata_device *dev);
227 void zpodd_post_poweron(struct ata_device *dev);
228 #else
229 static inline void zpodd_init(struct ata_device *dev) {}
230 static inline void zpodd_exit(struct ata_device *dev) {}
231 static inline bool zpodd_dev_enabled(struct ata_device *dev) { return false; }
232 static inline void zpodd_on_suspend(struct ata_device *dev) {}
233 static inline bool zpodd_zpready(struct ata_device *dev) { return false; }
234 static inline void zpodd_enable_run_wake(struct ata_device *dev) {}
235 static inline void zpodd_disable_run_wake(struct ata_device *dev) {}
236 static inline void zpodd_post_poweron(struct ata_device *dev) {}
237 #endif
238
239 #endif