libata: HPA support

[safe/jmp/linux-2.6] / include / linux / libata.h

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 3451ef9..73b86dd 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 */
@@ -367,34 +368,6 @@ struct ata_ioports {
        void __iomem            *scr_addr;
 };
 
-struct ata_probe_ent {
-       struct list_head        node;
-       struct device           *dev;
-       const struct ata_port_operations *port_ops;
-       struct scsi_host_template *sht;
-       struct ata_ioports      port[ATA_MAX_PORTS];
-       unsigned int            n_ports;
-       unsigned int            dummy_port_mask;
-       unsigned int            pio_mask;
-       unsigned int            mwdma_mask;
-       unsigned int            udma_mask;
-       unsigned long           irq;
-       unsigned long           irq2;
-       unsigned int            irq_flags;
-       unsigned long           port_flags;
-       unsigned long           _host_flags;
-       void __iomem * const    *iomap;
-       void                    *private_data;
-
-       /* port_info for the secondary port.  Together with irq2, it's
-        * used to implement non-uniform secondary port.  Currently,
-        * the only user is ata_piix combined mode.  This workaround
-        * will be removed together with ata_probe_ent when init model
-        * is updated.
-        */
-       const struct ata_port_info *pinfo2;
-};
-
 struct ata_host {
        spinlock_t              lock;
        struct device           *dev;
@@ -427,6 +400,7 @@ struct ata_queued_cmd {
        int                     dma_dir;
 
        unsigned int            pad_len;
+       unsigned int            sect_size;
 
        unsigned int            nbytes;
        unsigned int            curbytes;
@@ -472,6 +446,7 @@ struct ata_device {
        struct scsi_device      *sdev;          /* attached SCSI device */
        /* n_sector is used as CLEAR_OFFSET, read comment above CLEAR_OFFSET */
        u64                     n_sectors;      /* size of device, if ATA */
+       u64                     n_sectors_boot; /* size of ATA device at startup */
        unsigned int            class;          /* ATA_DEV_xxx */
        u16                     id[ATA_ID_WORDS]; /* IDENTIFY xxx DEVICE data */
        u8                      pio_mode;
@@ -601,7 +576,7 @@ struct ata_port_operations {
 
        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);
@@ -666,6 +641,7 @@ struct ata_port_info {
        unsigned long           mwdma_mask;
        unsigned long           udma_mask;
        const struct ata_port_operations *port_ops;
+       irq_handler_t           irq_handler;
        void                    *private_data;
 };
 
@@ -688,6 +664,7 @@ extern const unsigned long sata_deb_timing_hotplug[];
 extern const unsigned long sata_deb_timing_long[];
 
 extern const struct ata_port_operations ata_dummy_port_ops;
+extern const struct ata_port_info ata_dummy_port_info;
 
 static inline const unsigned long *
 sata_ehc_deb_timing(struct ata_eh_context *ehc)
@@ -731,7 +708,15 @@ 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 int ata_device_add(const struct ata_probe_ent *ent);
+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 void ata_host_detach(struct ata_host *host);
 extern void ata_host_init(struct ata_host *, struct device *,
                          unsigned long, const struct ata_port_operations *);
@@ -831,6 +816,7 @@ 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);
@@ -878,10 +864,13 @@ struct pci_bits {
        unsigned long           val;
 };
 
-extern struct ata_probe_ent *
-ata_pci_init_native_mode(struct pci_dev *pdev, struct ata_port_info **port, int portmask);
+extern int ata_pci_init_native_host(struct ata_host *host,
+                                   unsigned int port_mask);
+extern int ata_pci_prepare_native_host(struct pci_dev *pdev,
+                               const struct ata_port_info * const * ppi,
+                               int n_ports, struct ata_host **r_host);
 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 */
 
 /*
@@ -1181,6 +1170,7 @@ 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);
 
@@ -1228,7 +1218,7 @@ 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__ */