ATA_EH_LPM = (1 << 4), /* link power management action */
ATA_EH_PERDEV_MASK = ATA_EH_REVALIDATE,
+ ATA_EH_ALL_ACTIONS = ATA_EH_REVALIDATE | ATA_EH_RESET |
+ ATA_EH_ENABLE_LINK | ATA_EH_LPM,
/* ata_eh_info->flags */
ATA_EHI_HOTPLUGGED = (1 << 0), /* could have been hotplugged */
/*
* Optional features
*/
- int (*scr_read)(struct ata_port *ap, unsigned int sc_reg, u32 *val);
- int (*scr_write)(struct ata_port *ap, unsigned int sc_reg, u32 val);
+ int (*scr_read)(struct ata_link *link, unsigned int sc_reg, u32 *val);
+ int (*scr_write)(struct ata_link *link, unsigned int sc_reg, u32 val);
void (*pmp_attach)(struct ata_port *ap);
void (*pmp_detach)(struct ata_port *ap);
int (*enable_pm)(struct ata_port *ap, enum link_pm policy);
extern int sata_scr_read(struct ata_link *link, int reg, u32 *val);
extern int sata_scr_write(struct ata_link *link, int reg, u32 val);
extern int sata_scr_write_flush(struct ata_link *link, int reg, u32 val);
-extern int ata_link_online(struct ata_link *link);
-extern int ata_link_offline(struct ata_link *link);
+extern bool ata_link_online(struct ata_link *link);
+extern bool ata_link_offline(struct ata_link *link);
#ifdef CONFIG_PM
extern int ata_host_suspend(struct ata_host *host, pm_message_t mesg);
extern void ata_host_resume(struct ata_host *host);
return ata_tag_valid(link->active_tag) || link->sactive;
}
-static inline struct ata_link *ata_port_first_link(struct ata_port *ap)
-{
- if (sata_pmp_attached(ap))
- return ap->pmp_link;
- return &ap->link;
-}
-
-static inline struct ata_link *ata_port_next_link(struct ata_link *link)
-{
- struct ata_port *ap = link->ap;
-
- if (ata_is_host_link(link)) {
- if (!sata_pmp_attached(ap))
- return NULL;
- return ap->pmp_link;
- }
-
- if (++link < ap->nr_pmp_links + ap->pmp_link)
- return link;
- return NULL;
-}
+extern struct ata_link *__ata_port_next_link(struct ata_port *ap,
+ struct ata_link *link,
+ bool dev_only);
-#define __ata_port_for_each_link(lk, ap) \
- for ((lk) = &(ap)->link; (lk); (lk) = ata_port_next_link(lk))
+#define __ata_port_for_each_link(link, ap) \
+ for ((link) = __ata_port_next_link((ap), NULL, false); (link); \
+ (link) = __ata_port_next_link((ap), (link), false))
#define ata_port_for_each_link(link, ap) \
- for ((link) = ata_port_first_link(ap); (link); \
- (link) = ata_port_next_link(link))
+ for ((link) = __ata_port_next_link((ap), NULL, true); (link); \
+ (link) = __ata_port_next_link((ap), (link), true))
#define ata_link_for_each_dev(dev, link) \
for ((dev) = (link)->device; \