libata: implement ata_host_alloc_pinfo() and ata_host_register()

[powerpc.git] / include / linux / libata.h

diff --git a/include/linux/libata.h b/include/linux/libata.h
index e3f32f3..300daf6 100644 (file)
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -210,6 +210,7 @@ enum {
 
        /* host set flags */
        ATA_HOST_SIMPLEX        = (1 << 0),     /* Host is simplex, one DMA channel per host only */
+       ATA_HOST_STARTED        = (1 << 1),     /* Host started */
 
        /* various lengths of time */
        ATA_TMOUT_BOOT          = 30 * HZ,      /* heuristic */
@@ -311,15 +312,17 @@ enum {
        ATA_HORKAGE_DIAGNOSTIC  = (1 << 0),     /* Failed boot diag */
        ATA_HORKAGE_NODMA       = (1 << 1),     /* DMA problems */
        ATA_HORKAGE_NONCQ       = (1 << 2),     /* Don't use NCQ */
+       ATA_HORKAGE_MAX_SEC_128 = (1 << 3),     /* Limit max sects to 128 */
+       ATA_HORKAGE_DMA_RW_ONLY = (1 << 4),     /* ATAPI DMA for RW only */
 };
 
 enum hsm_task_states {
        HSM_ST_IDLE,            /* no command on going */
+       HSM_ST_FIRST,           /* (waiting the device to)
+                                  write CDB or first data block */
        HSM_ST,                 /* (waiting the device to) transfer data */
        HSM_ST_LAST,            /* (waiting the device to) complete command */
        HSM_ST_ERR,             /* error */
-       HSM_ST_FIRST,           /* (waiting the device to)
-                                  write CDB or first data block */
 };
 
 enum ata_completion_errors {
@@ -425,6 +428,7 @@ struct ata_queued_cmd {
        int                     dma_dir;
 
        unsigned int            pad_len;
+       unsigned int            sect_size;
 
        unsigned int            nbytes;
        unsigned int            curbytes;
@@ -595,11 +599,11 @@ struct ata_port {
 struct ata_port_operations {
        void (*port_disable) (struct ata_port *);
 
-       void (*dev_config) (struct ata_port *, struct ata_device *);
+       void (*dev_config) (struct ata_device *);
 
        void (*set_piomode) (struct ata_port *, struct ata_device *);
        void (*set_dmamode) (struct ata_port *, struct ata_device *);
-       unsigned long (*mode_filter) (const struct ata_port *, struct ata_device *, unsigned long);
+       unsigned long (*mode_filter) (struct ata_device *, unsigned long);
 
        void (*tf_load) (struct ata_port *ap, const struct ata_taskfile *tf);
        void (*tf_read) (struct ata_port *ap, struct ata_taskfile *tf);
@@ -614,6 +618,8 @@ struct ata_port_operations {
 
        void (*post_set_mode) (struct ata_port *ap);
 
+       int (*cable_detect) (struct ata_port *ap);
+
        int  (*check_atapi_dma) (struct ata_queued_cmd *qc);
 
        void (*bmdma_setup) (struct ata_queued_cmd *qc);
@@ -699,6 +705,7 @@ static inline int ata_port_is_dummy(struct ata_port *ap)
        return ap->ops == &ata_dummy_port_ops;
 }
 
+extern void sata_print_link_status(struct ata_port *ap);
 extern void ata_port_probe(struct ata_port *);
 extern void __sata_phy_reset(struct ata_port *ap);
 extern void sata_phy_reset(struct ata_port *ap);
@@ -726,6 +733,15 @@ extern int ata_pci_device_resume(struct pci_dev *pdev);
 #endif
 extern int ata_pci_clear_simplex(struct pci_dev *pdev);
 #endif /* CONFIG_PCI */
+extern struct ata_host *ata_host_alloc(struct device *dev, int max_ports);
+extern struct ata_host *ata_host_alloc_pinfo(struct device *dev,
+                       const struct ata_port_info * const * ppi, int n_ports);
+extern int ata_host_start(struct ata_host *host);
+extern int ata_host_register(struct ata_host *host,
+                            struct scsi_host_template *sht);
+extern int ata_host_activate(struct ata_host *host, int irq,
+                            irq_handler_t irq_handler, unsigned long irq_flags,
+                            struct scsi_host_template *sht);
 extern int ata_device_add(const struct ata_probe_ent *ent);
 extern void ata_host_detach(struct ata_host *host);
 extern void ata_host_init(struct ata_host *, struct device *,
@@ -826,11 +842,17 @@ extern void ata_scsi_slave_destroy(struct scsi_device *sdev);
 extern int ata_scsi_change_queue_depth(struct scsi_device *sdev,
                                       int queue_depth);
 extern struct ata_device *ata_dev_pair(struct ata_device *adev);
+extern int ata_do_set_mode(struct ata_port *ap, struct ata_device **r_failed_dev);
 extern u8 ata_irq_on(struct ata_port *ap);
 extern u8 ata_dummy_irq_on(struct ata_port *ap);
 extern u8 ata_irq_ack(struct ata_port *ap, unsigned int chk_drq);
 extern u8 ata_dummy_irq_ack(struct ata_port *ap, unsigned int chk_drq);
 
+extern int ata_cable_40wire(struct ata_port *ap);
+extern int ata_cable_80wire(struct ata_port *ap);
+extern int ata_cable_sata(struct ata_port *ap);
+extern int ata_cable_unknown(struct ata_port *ap);
+
 /*
  * Timing helpers
  */
@@ -871,7 +893,7 @@ struct pci_bits {
 extern struct ata_probe_ent *
 ata_pci_init_native_mode(struct pci_dev *pdev, struct ata_port_info **port, int portmask);
 extern int pci_test_config_bits(struct pci_dev *pdev, const struct pci_bits *bits);
-extern unsigned long ata_pci_default_filter(const struct ata_port *, struct ata_device *, unsigned long);
+extern unsigned long ata_pci_default_filter(struct ata_device *, unsigned long);
 #endif /* CONFIG_PCI */
 
 /*
@@ -1171,6 +1193,7 @@ static inline void ata_qc_reinit(struct ata_queued_cmd *qc)
        qc->n_elem = 0;
        qc->err_mask = 0;
        qc->pad_len = 0;
+       qc->sect_size = ATA_SECT_SIZE;
 
        ata_tf_init(qc->dev, &qc->tf);
 
@@ -1218,7 +1241,7 @@ static inline void ata_pad_free(struct ata_port *ap, struct device *dev)
 
 static inline struct ata_port *ata_shost_to_port(struct Scsi_Host *host)
 {
-       return (struct ata_port *) &host->hostdata[0];
+       return *(struct ata_port **)&host->hostdata[0];
 }
 
 #endif /* __LINUX_LIBATA_H__ */