libata: implement cross-port EH exclusion

[firefly-linux-kernel-4.4.55.git] / drivers / ata / libata.h

diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index 65b6a73c3ac760030028fa11cabdf3c243d5f501..a9be110dbf5175de1f66942c5d21da98ab86b053 100644 (file)
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -102,10 +102,6 @@ extern int sata_link_init_spd(struct ata_link *link);
 extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
 extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
 extern struct ata_port *ata_port_alloc(struct ata_host *host);
-extern void ata_dev_enable_pm(struct ata_device *dev,
-                             enum ata_lpm_policy policy);
-extern void ata_lpm_schedule(struct ata_port *ap,
-                            enum ata_lpm_policy policy);
 extern const char *sata_spd_string(unsigned int spd);
 
 /* libata-acpi.c */
@@ -149,6 +145,8 @@ extern int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel,
 /* libata-eh.c */
 extern unsigned long ata_internal_cmd_timeout(struct ata_device *dev, u8 cmd);
 extern void ata_internal_cmd_timed_out(struct ata_device *dev, u8 cmd);
+extern void ata_eh_acquire(struct ata_port *ap);
+extern void ata_eh_release(struct ata_port *ap);
 extern enum blk_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd);
 extern void ata_scsi_error(struct Scsi_Host *host);
 extern void ata_port_wait_eh(struct ata_port *ap);
@@ -180,6 +178,8 @@ extern int ata_ering_map(struct ata_ering *ering,
 #ifdef CONFIG_SATA_PMP
 extern int sata_pmp_scr_read(struct ata_link *link, int reg, u32 *val);
 extern int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val);
+extern int sata_pmp_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
+                           unsigned hints);
 extern int sata_pmp_attach(struct ata_device *dev);
 #else /* CONFIG_SATA_PMP */
 static inline int sata_pmp_scr_read(struct ata_link *link, int reg, u32 *val)
@@ -192,6 +192,12 @@ static inline int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val)
        return -EINVAL;
 }
 
+static inline int sata_pmp_set_lpm(struct ata_link *link,
+                                  enum ata_lpm_policy policy, unsigned hints)
+{
+       return -EINVAL;
+}
+
 static inline int sata_pmp_attach(struct ata_device *dev)
 {
        return -EINVAL;