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Diffstat (limited to 'include/linux/libata.h')
-rw-r--r--include/linux/libata.h90
1 files changed, 60 insertions, 30 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 66c3100c2b9..1ef3d3901b4 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,
@@ -289,6 +289,11 @@ enum {
* most devices.
*/
ATA_SPINUP_WAIT = 8000,
+
+ /* Horkage types. May be set by libata or controller on drives
+ (some horkage may be drive/controller pair dependant */
+
+ ATA_HORKAGE_DIAGNOSTIC = (1 << 0), /* Failed boot diag */
};
enum hsm_task_states {
@@ -350,23 +355,32 @@ 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 +388,6 @@ 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 +433,7 @@ 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;
@@ -468,6 +481,7 @@ struct ata_device {
/* error history */
struct ata_ering ering;
+ unsigned int horkage; /* List of broken features */
};
/* Offset into struct ata_device. Fields above it are maintained
@@ -498,14 +512,13 @@ 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 +537,7 @@ 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 +551,8 @@ 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 +628,7 @@ 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 +636,7 @@ 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 +662,8 @@ 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 +673,11 @@ 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 +696,30 @@ 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 +728,9 @@ 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 +755,7 @@ 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 +841,7 @@ 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);
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-23 22:33:49 +0000