10 files changed, 96 insertions, 33 deletions

diff --git a/include/asm-alpha/libata-portmap.h b/include/asm-alpha/libata-portmap.h
new file mode 100644
index 000000000000..75484ef0c743
--- /dev/null
+++ b/include/asm-alpha/libata-portmap.h
@@ -0,0 +1 @@
+#include <asm-generic/libata-portmap.h>
diff --git a/include/asm-generic/libata-portmap.h b/include/asm-generic/libata-portmap.h
new file mode 100644
index 000000000000..9202fd02d5be
--- /dev/null
+++ b/include/asm-generic/libata-portmap.h
@@ -0,0 +1,12 @@
+#ifndef __ASM_GENERIC_LIBATA_PORTMAP_H
+#define __ASM_GENERIC_LIBATA_PORTMAP_H
+
+#define ATA_PRIMARY_CMD         0x1F0
+#define ATA_PRIMARY_CTL         0x3F6
+#define ATA_PRIMARY_IRQ         14
+
+#define ATA_SECONDARY_CMD       0x170
+#define ATA_SECONDARY_CTL       0x376
+#define ATA_SECONDARY_IRQ       15
+
+#endif
diff --git a/include/asm-i386/libata-portmap.h b/include/asm-i386/libata-portmap.h
new file mode 100644
index 000000000000..75484ef0c743
--- /dev/null
+++ b/include/asm-i386/libata-portmap.h
@@ -0,0 +1 @@
+#include <asm-generic/libata-portmap.h>
diff --git a/include/asm-ia64/libata-portmap.h b/include/asm-ia64/libata-portmap.h
new file mode 100644
index 000000000000..75484ef0c743
--- /dev/null
+++ b/include/asm-ia64/libata-portmap.h
@@ -0,0 +1 @@
+#include <asm-generic/libata-portmap.h>
diff --git a/include/asm-powerpc/libata-portmap.h b/include/asm-powerpc/libata-portmap.h
new file mode 100644
index 000000000000..75484ef0c743
--- /dev/null
+++ b/include/asm-powerpc/libata-portmap.h
@@ -0,0 +1 @@
+#include <asm-generic/libata-portmap.h>
diff --git a/include/asm-sparc/libata-portmap.h b/include/asm-sparc/libata-portmap.h
new file mode 100644
index 000000000000..75484ef0c743
--- /dev/null
+++ b/include/asm-sparc/libata-portmap.h
@@ -0,0 +1 @@
+#include <asm-generic/libata-portmap.h>
diff --git a/include/asm-sparc64/libata-portmap.h b/include/asm-sparc64/libata-portmap.h
new file mode 100644
index 000000000000..75484ef0c743
--- /dev/null
+++ b/include/asm-sparc64/libata-portmap.h
@@ -0,0 +1 @@
+#include <asm-generic/libata-portmap.h>
diff --git a/include/asm-x86_64/libata-portmap.h b/include/asm-x86_64/libata-portmap.h
new file mode 100644
index 000000000000..75484ef0c743
--- /dev/null
+++ b/include/asm-x86_64/libata-portmap.h
@@ -0,0 +1 @@
+#include <asm-generic/libata-portmap.h>
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 3671af869696..d89441907024 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -40,6 +40,8 @@ enum {
         ATA_MAX_DEVICES         = 2,    /* per bus/port */
         ATA_MAX_PRD             = 256,  /* we could make these 256/256 */
         ATA_SECT_SIZE           = 512,
+        ATA_MAX_SECTORS         = 256,
+        ATA_MAX_SECTORS_LBA48   = 65535,/* TODO: 65536? */
 
         ATA_ID_WORDS            = 256,
         ATA_ID_SERNO_OFS        = 10,
@@ -168,12 +170,16 @@ enum {
         XFER_UDMA_2             = 0x42,
         XFER_UDMA_1             = 0x41,
         XFER_UDMA_0             = 0x40,
+        XFER_MW_DMA_4           = 0x24, /* CFA only */
+        XFER_MW_DMA_3           = 0x23, /* CFA only */
         XFER_MW_DMA_2           = 0x22,
         XFER_MW_DMA_1           = 0x21,
         XFER_MW_DMA_0           = 0x20,
         XFER_SW_DMA_2           = 0x12,
         XFER_SW_DMA_1           = 0x11,
         XFER_SW_DMA_0           = 0x10,
+        XFER_PIO_6              = 0x0E, /* CFA only */
+        XFER_PIO_5              = 0x0D, /* CFA only */
         XFER_PIO_4              = 0x0C,
         XFER_PIO_3              = 0x0B,
         XFER_PIO_2              = 0x0A,
@@ -272,7 +278,6 @@ struct ata_taskfile {
 };
 
 #define ata_id_is_ata(id)       (((id)[0] & (1 << 15)) == 0)
-#define ata_id_is_cfa(id)       ((id)[0] == 0x848A)
 #define ata_id_is_sata(id)      ((id)[93] == 0)
 #define ata_id_rahead_enabled(id) ((id)[85] & (1 << 6))
 #define ata_id_wcache_enabled(id) ((id)[85] & (1 << 5))
@@ -304,6 +309,9 @@ static inline unsigned int ata_id_major_version(const u16 *id)
 {
         unsigned int mver;
 
+        if (id[ATA_ID_MAJOR_VER] == 0xFFFF)
+                return 0;
+
         for (mver = 14; mver >= 1; mver--)
                 if (id[ATA_ID_MAJOR_VER] & (1 << mver))
                         break;
@@ -312,8 +320,8 @@ static inline unsigned int ata_id_major_version(const u16 *id)
 
 static inline int ata_id_current_chs_valid(const u16 *id)
 {
-        /* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command 
-           has not been issued to the device then the values of 
+        /* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command
+           has not been issued to the device then the values of
            id[54] to id[56] are vendor specific. */
         return (id[53] & 0x01) && /* Current translation valid */
                 id[54] &&  /* cylinders in current translation */
@@ -322,6 +330,18 @@ static inline int ata_id_current_chs_valid(const u16 *id)
                 id[56];    /* sectors in current translation */
 }
 
+static inline int ata_id_is_cfa(const u16 *id)
+{
+        u16 v = id[0];
+        if (v == 0x848A)        /* Standard CF */
+                return 1;
+        /* Could be CF hiding as standard ATA */
+        if (ata_id_major_version(id) >= 3 &&  id[82] != 0xFFFF &&
+                        (id[82] & ( 1 << 2)))
+                return 1;
+        return 0;
+}
+
 static inline int atapi_cdb_len(const u16 *dev_id)
 {
         u16 tmp = dev_id[0] & 0x3;
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 66c3100c2b94..ff67e7524fe9 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -36,6 +36,8 @@
 #include <linux/workqueue.h>
 #include <scsi/scsi_host.h>
 
+#include <asm/libata-portmap.h>
+
 /*
  * compile-time options: to be removed as soon as all the drivers are
  * converted to the new debugging mechanism
@@ -44,7 +46,7 @@
 #undef ATA_VERBOSE_DEBUG        /* yet more debugging output */
 #undef ATA_IRQ_TRAP             /* define to ack screaming irqs */
 #undef ATA_NDEBUG               /* define to disable quick runtime checks */
-#undef ATA_ENABLE_PATA          /* define to enable PATA support in some
+#define ATA_ENABLE_PATA         /* define to enable PATA support in some
                                  * low-level drivers */
 
 
@@ -112,8 +114,6 @@ enum {
         /* tag ATA_MAX_QUEUE - 1 is reserved for internal commands */
         ATA_MAX_QUEUE           = 32,
         ATA_TAG_INTERNAL        = ATA_MAX_QUEUE - 1,
-        ATA_MAX_SECTORS         = 200,  /* FIXME */
-        ATA_MAX_SECTORS_LBA48   = 65535,
         ATA_MAX_BUS             = 2,
         ATA_DEF_BUSY_WAIT       = 10000,
         ATA_SHORT_PAUSE         = (HZ >> 6) + 1,
@@ -197,8 +197,8 @@ enum {
         ATA_QCFLAG_EH_SCHEDULED = (1 << 18), /* EH scheduled (obsolete) */
 
         /* host set flags */
-        ATA_HOST_SIMPLEX        = (1 << 0),     /* Host is simplex, one DMA channel per host_set only */
-        
+        ATA_HOST_SIMPLEX        = (1 << 0),     /* Host is simplex, one DMA channel per host only */
+
         /* various lengths of time */
         ATA_TMOUT_BOOT          = 30 * HZ,      /* heuristic */
         ATA_TMOUT_BOOT_QUICK    = 7 * HZ,       /* heuristic */
@@ -225,8 +225,8 @@ enum {
         /* encoding various smaller bitmaps into a single
          * unsigned int bitmap
          */
-        ATA_BITS_PIO            = 5,
-        ATA_BITS_MWDMA          = 3,
+        ATA_BITS_PIO            = 7,
+        ATA_BITS_MWDMA          = 5,
         ATA_BITS_UDMA           = 8,
 
         ATA_SHIFT_PIO           = 0,
@@ -350,23 +350,32 @@ struct ata_probe_ent {
         struct scsi_host_template *sht;
         struct ata_ioports      port[ATA_MAX_PORTS];
         unsigned int            n_ports;
-        unsigned int            hard_port_no;
+        unsigned int            dummy_port_mask;
         unsigned int            pio_mask;
         unsigned int            mwdma_mask;
         unsigned int            udma_mask;
-        unsigned int            legacy_mode;
         unsigned long           irq;
+        unsigned long           irq2;
         unsigned int            irq_flags;
-        unsigned long           host_flags;
-        unsigned long           host_set_flags;
+        unsigned long           port_flags;
+        unsigned long           _host_flags;
         void __iomem            *mmio_base;
         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_set {
+struct ata_host {
         spinlock_t              lock;
         struct device           *dev;
         unsigned long           irq;
+        unsigned long           irq2;
         void __iomem            *mmio_base;
         unsigned int            n_ports;
         void                    *private_data;
@@ -374,7 +383,6 @@ struct ata_host_set {
         unsigned long           flags;
         int                     simplex_claimed;        /* Keep seperate in case we
                                                            ever need to do this locked */
-        struct ata_host_set     *next;          /* for legacy mode */
         struct ata_port         *ports[0];
 };
 
@@ -420,7 +428,7 @@ struct ata_queued_cmd {
         void                    *private_data;
 };
 
-struct ata_host_stats {
+struct ata_port_stats {
         unsigned long           unhandled_irq;
         unsigned long           idle_irq;
         unsigned long           rw_reqbuf;
@@ -498,14 +506,13 @@ struct ata_eh_context {
 };
 
 struct ata_port {
-        struct Scsi_Host        *host;  /* our co-allocated scsi host */
+        struct Scsi_Host        *scsi_host; /* our co-allocated scsi host */
         const struct ata_port_operations *ops;
         spinlock_t              *lock;
         unsigned long           flags;  /* ATA_FLAG_xxx */
         unsigned int            pflags; /* ATA_PFLAG_xxx */
         unsigned int            id;     /* unique id req'd by scsi midlyr */
         unsigned int            port_no; /* unique port #; from zero */
-        unsigned int            hard_port_no;   /* hardware port #; from zero */
 
         struct ata_prd          *prd;    /* our SG list */
         dma_addr_t              prd_dma; /* and its DMA mapping */
@@ -524,7 +531,7 @@ struct ata_port {
         unsigned int            hw_sata_spd_limit;
         unsigned int            sata_spd_limit; /* SATA PHY speed limit */
 
-        /* record runtime error info, protected by host_set lock */
+        /* record runtime error info, protected by host lock */
         struct ata_eh_info      eh_info;
         /* EH context owned by EH */
         struct ata_eh_context   eh_context;
@@ -538,8 +545,8 @@ struct ata_port {
         unsigned int            active_tag;
         u32                     sactive;
 
-        struct ata_host_stats   stats;
-        struct ata_host_set     *host_set;
+        struct ata_port_stats   stats;
+        struct ata_host         *host;
         struct device           *dev;
 
         struct work_struct      port_task;
@@ -615,7 +622,7 @@ struct ata_port_operations {
         int (*port_start) (struct ata_port *ap);
         void (*port_stop) (struct ata_port *ap);
 
-        void (*host_stop) (struct ata_host_set *host_set);
+        void (*host_stop) (struct ata_host *host);
 
         void (*bmdma_stop) (struct ata_queued_cmd *qc);
         u8   (*bmdma_status) (struct ata_port *ap);
@@ -623,7 +630,7 @@ struct ata_port_operations {
 
 struct ata_port_info {
         struct scsi_host_template       *sht;
-        unsigned long           host_flags;
+        unsigned long           flags;
         unsigned long           pio_mask;
         unsigned long           mwdma_mask;
         unsigned long           udma_mask;
@@ -649,6 +656,8 @@ extern const unsigned long sata_deb_timing_normal[];
 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;
+
 static inline const unsigned long *
 sata_ehc_deb_timing(struct ata_eh_context *ehc)
 {
@@ -658,6 +667,11 @@ sata_ehc_deb_timing(struct ata_eh_context *ehc)
                 return sata_deb_timing_normal;
 }
 
+static inline int ata_port_is_dummy(struct ata_port *ap)
+{
+        return ap->ops == &ata_dummy_port_ops;
+}
+
 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);
@@ -676,19 +690,30 @@ 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 void ata_pci_device_do_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 state);
+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_remove(struct ata_host_set *host_set);
+extern void ata_host_init(struct ata_host *, struct device *,
+                          unsigned long, const struct ata_port_operations *);
+extern void ata_host_remove(struct ata_host *host);
 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 *,
+                                           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);
@@ -697,10 +722,9 @@ 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_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_scsi_device_suspend(struct scsi_device *, pm_message_t mesg);
+extern int ata_host_suspend(struct ata_host *host, pm_message_t mesg);
+extern void ata_host_resume(struct ata_host *host);
 extern int ata_ratelimit(void);
 extern unsigned int ata_busy_sleep(struct ata_port *ap,
                                    unsigned long timeout_pat,
@@ -725,7 +749,7 @@ extern u8 ata_altstatus(struct ata_port *ap);
 extern void ata_exec_command(struct ata_port *ap, const struct ata_taskfile *tf);
 extern int ata_port_start (struct ata_port *ap);
 extern void ata_port_stop (struct ata_port *ap);
-extern void ata_host_stop (struct ata_host_set *host_set);
+extern void ata_host_stop (struct ata_host *host);
 extern irqreturn_t ata_interrupt (int irq, void *dev_instance, struct pt_regs *regs);
 extern void ata_mmio_data_xfer(struct ata_device *adev, unsigned char *buf,
                                unsigned int buflen, int write_data);
@@ -811,7 +835,7 @@ struct pci_bits {
         unsigned long           val;
 };
 
-extern void ata_pci_host_stop (struct ata_host_set *host_set);
+extern void ata_pci_host_stop (struct ata_host *host);
 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);