1 files changed, 12 insertions, 0 deletions

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 5ac262608199..6cc497a2b6da 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -182,6 +182,7 @@ enum {
 
         ATA_PFLAG_FLUSH_PORT_TASK = (1 << 16), /* flush port task */
         ATA_PFLAG_SUSPENDED     = (1 << 17), /* port is suspended (power) */
+        ATA_PFLAG_PM_PENDING    = (1 << 18), /* PM operation pending */
 
         /* struct ata_queued_cmd flags */
         ATA_QCFLAG_ACTIVE       = (1 << 0), /* cmd not yet ack'd to scsi lyer */
@@ -549,6 +550,9 @@ struct ata_port {
         struct list_head        eh_done_q;
         wait_queue_head_t       eh_wait_q;
 
+        pm_message_t            pm_mesg;
+        int                     *pm_result;
+
         void                    *private_data;
 
         u8                      sector_buf[ATA_SECT_SIZE]; /* owned by EH */
@@ -603,6 +607,9 @@ struct ata_port_operations {
         void (*scr_write) (struct ata_port *ap, unsigned int sc_reg,
                            u32 val);
 
+        int (*port_suspend) (struct ata_port *ap, pm_message_t mesg);
+        int (*port_resume) (struct ata_port *ap);
+
         int (*port_start) (struct ata_port *ap);
         void (*port_stop) (struct ata_port *ap);
 
@@ -667,6 +674,8 @@ extern void ata_std_ports(struct ata_ioports *ioaddr);
 extern int ata_pci_init_one (struct pci_dev *pdev, struct ata_port_info **port_info,
                              unsigned int n_ports);
 extern void ata_pci_remove_one (struct pci_dev *pdev);
+extern void ata_pci_device_do_suspend(struct pci_dev *pdev, pm_message_t state);
+extern void ata_pci_device_do_resume(struct pci_dev *pdev);
 extern int ata_pci_device_suspend(struct pci_dev *pdev, pm_message_t state);
 extern int ata_pci_device_resume(struct pci_dev *pdev);
 extern int ata_pci_clear_simplex(struct pci_dev *pdev);
@@ -687,6 +696,9 @@ extern int ata_port_online(struct ata_port *ap);
 extern int ata_port_offline(struct ata_port *ap);
 extern int ata_scsi_device_resume(struct scsi_device *);
 extern int ata_scsi_device_suspend(struct scsi_device *, pm_message_t state);
+extern int ata_host_set_suspend(struct ata_host_set *host_set,
+                                pm_message_t mesg);
+extern void ata_host_set_resume(struct ata_host_set *host_set);
 extern int ata_ratelimit(void);
 extern unsigned int ata_busy_sleep(struct ata_port *ap,
                                    unsigned long timeout_pat,