[PATCH] libata: Add support for SATA attachment to SAS adapters

[linux-2.6-omap-h63xx.git] / include / linux / libata.h

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 5ac26260819967330721a870841baa9e02f84035..cf5eb1da3e32a923f8b0d2e81979ddb4776d8711 100644 (file)
--- 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 */
@@ -264,12 +265,14 @@ enum {
 
        /* ata_eh_info->flags */
        ATA_EHI_HOTPLUGGED      = (1 << 0),  /* could have been hotplugged */
-       ATA_EHI_RESUME_LINK     = (1 << 1),  /* need to resume link */
+       ATA_EHI_RESUME_LINK     = (1 << 1),  /* resume link (reset modifier) */
        ATA_EHI_NO_AUTOPSY      = (1 << 2),  /* no autopsy */
        ATA_EHI_QUIET           = (1 << 3),  /* be quiet */
 
        ATA_EHI_DID_RESET       = (1 << 16), /* already reset this port */
 
+       ATA_EHI_RESET_MODIFIER_MASK = ATA_EHI_RESUME_LINK,
+
        /* max repeat if error condition is still set after ->error_handler */
        ATA_EH_MAX_REPEAT       = 5,
 
@@ -549,6 +552,9 @@ 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 +609,9 @@ 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);
 
@@ -667,17 +676,30 @@ 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 int ata_pci_device_suspend(struct pci_dev *pdev, pm_message_t state);
+extern void ata_pci_device_do_suspend(struct pci_dev *pdev, pm_message_t mesg);
+extern void ata_pci_device_do_resume(struct pci_dev *pdev);
+extern int ata_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
 extern int ata_pci_device_resume(struct pci_dev *pdev);
 extern int ata_pci_clear_simplex(struct pci_dev *pdev);
 #endif /* CONFIG_PCI */
 extern int ata_device_add(const struct ata_probe_ent *ent);
 extern void ata_port_detach(struct ata_port *ap);
+extern void ata_host_set_init(struct ata_host_set *, struct device *,
+                             unsigned long, const struct ata_port_operations *);
 extern void ata_host_set_remove(struct ata_host_set *host_set);
 extern int ata_scsi_detect(struct scsi_host_template *sht);
 extern int ata_scsi_ioctl(struct scsi_device *dev, int cmd, void __user *arg);
 extern int ata_scsi_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *));
 extern int ata_scsi_release(struct Scsi_Host *host);
+extern void ata_sas_port_destroy(struct ata_port *);
+extern struct ata_port *ata_sas_port_alloc(struct ata_host_set *,
+                                          struct ata_port_info *, struct Scsi_Host *);
+extern int ata_sas_port_init(struct ata_port *);
+extern int ata_sas_port_start(struct ata_port *ap);
+extern void ata_sas_port_stop(struct ata_port *ap);
+extern int ata_sas_slave_configure(struct scsi_device *, struct ata_port *);
+extern int ata_sas_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *),
+                           struct ata_port *ap);
 extern unsigned int ata_host_intr(struct ata_port *ap, struct ata_queued_cmd *qc);
 extern int sata_scr_valid(struct ata_port *ap);
 extern int sata_scr_read(struct ata_port *ap, int reg, u32 *val);
@@ -686,7 +708,10 @@ extern int sata_scr_write_flush(struct ata_port *ap, int reg, u32 val);
 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_scsi_device_suspend(struct scsi_device *, pm_message_t mesg);
+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,