#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <asm/scatterlist.h>
-#include <asm/io.h>
+#include <linux/io.h>
#include <linux/ata.h>
#include <linux/workqueue.h>
#include <scsi/scsi_host.h>
#define ATA_TAG_POISON 0xfafbfcfdU
/* move to PCI layer? */
-#define PCI_VDEVICE(vendor, device) \
- PCI_VENDOR_ID_##vendor, (device), \
- PCI_ANY_ID, PCI_ANY_ID, 0, 0
-
static inline struct device *pci_dev_to_dev(struct pci_dev *pdev)
{
return &pdev->dev;
ATA_DFLAG_LBA48 = (1 << 1), /* device supports LBA48 */
ATA_DFLAG_CDB_INTR = (1 << 2), /* device asserts INTRQ when ready for CDB */
ATA_DFLAG_NCQ = (1 << 3), /* device supports NCQ */
+ ATA_DFLAG_FLUSH_EXT = (1 << 4), /* do FLUSH_EXT instead of FLUSH */
ATA_DFLAG_CFG_MASK = (1 << 8) - 1,
ATA_DFLAG_PIO = (1 << 8), /* device limited to PIO mode */
ATA_FLAG_SKIP_D2H_BSY = (1 << 12), /* can't wait for the first D2H
* Register FIS clearing BSY */
ATA_FLAG_DEBUGMSG = (1 << 13),
+ ATA_FLAG_SETXFER_POLLING= (1 << 14), /* use polling for SETXFER */
+ ATA_FLAG_IGN_SIMPLEX = (1 << 15), /* ignore SIMPLEX */
/* The following flag belongs to ap->pflags but is kept in
* ap->flags because it's referenced in many LLDs and will be
ATA_EHI_QUIET = (1 << 3), /* be quiet */
ATA_EHI_DID_RESET = (1 << 16), /* already reset this port */
+ ATA_EHI_PRINTINFO = (1 << 17), /* print configuration info */
+ ATA_EHI_SETMODE = (1 << 18), /* configure transfer mode */
+ ATA_EHI_POST_SETMODE = (1 << 19), /* revaildating after setmode */
ATA_EHI_RESET_MODIFIER_MASK = ATA_EHI_RESUME_LINK,
* 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 */
+ ATA_HORKAGE_NODMA = (1 << 1), /* DMA problems */
+ ATA_HORKAGE_NONCQ = (1 << 2), /* Don't use NCQ */
};
enum hsm_task_states {
- HSM_ST_UNKNOWN, /* state unknown */
HSM_ST_IDLE, /* no command on going */
HSM_ST, /* (waiting the device to) transfer data */
HSM_ST_LAST, /* (waiting the device to) complete command */
AC_ERR_SYSTEM = (1 << 6), /* system error */
AC_ERR_INVALID = (1 << 7), /* invalid argument */
AC_ERR_OTHER = (1 << 8), /* unknown */
+ AC_ERR_NODEV_HINT = (1 << 9), /* polling device detection hint */
};
/* forward declarations */
unsigned int pad_len;
- unsigned int nsect;
- unsigned int cursect;
-
unsigned int nbytes;
unsigned int curbytes;
struct ata_host *host;
struct device *dev;
- struct work_struct port_task;
- struct work_struct hotplug_task;
+ void *port_task_data;
+ struct delayed_work port_task;
+ struct delayed_work hotplug_task;
struct work_struct scsi_rescan_task;
unsigned int hsm_task_state;
void (*dev_select)(struct ata_port *ap, unsigned int device);
void (*phy_reset) (struct ata_port *ap); /* obsolete */
- void (*set_mode) (struct ata_port *ap);
+ int (*set_mode) (struct ata_port *ap, struct ata_device **r_failed_dev);
void (*post_set_mode) (struct ata_port *ap);
- int (*check_atapi_dma) (struct ata_queued_cmd *qc);
+ int (*check_atapi_dma) (struct ata_queued_cmd *qc);
void (*bmdma_setup) (struct ata_queued_cmd *qc);
void (*bmdma_start) (struct ata_queued_cmd *qc);
extern int sata_phy_resume(struct ata_port *ap, const unsigned long *param);
extern int ata_std_prereset(struct ata_port *ap);
extern int ata_std_softreset(struct ata_port *ap, unsigned int *classes);
+extern int sata_port_hardreset(struct ata_port *ap,
+ const unsigned long *timing);
extern int sata_std_hardreset(struct ata_port *ap, unsigned int *class);
extern void ata_std_postreset(struct ata_port *ap, unsigned int *classes);
extern void ata_port_disable(struct ata_port *);
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 mesg);
-extern void ata_pci_device_do_resume(struct pci_dev *pdev);
+extern int __must_check 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_detach(struct ata_host *host);
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_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,
- unsigned long timeout);
-extern void ata_port_queue_task(struct ata_port *ap, void (*fn)(void *),
+extern int ata_busy_sleep(struct ata_port *ap,
+ unsigned long timeout_pat, unsigned long timeout);
+extern void ata_port_queue_task(struct ata_port *ap, work_func_t fn,
void *data, unsigned long delay);
extern u32 ata_wait_register(void __iomem *reg, u32 mask, u32 val,
unsigned long interval_msec,
unsigned int ofs, unsigned int len);
extern void ata_id_c_string(const u16 *id, unsigned char *s,
unsigned int ofs, unsigned int len);
+extern unsigned long ata_device_blacklisted(const struct ata_device *dev);
extern void ata_bmdma_setup (struct ata_queued_cmd *qc);
extern void ata_bmdma_start (struct ata_queued_cmd *qc);
extern void ata_bmdma_stop(struct ata_queued_cmd *qc);
/**
* ata_busy_wait - Wait for a port status register
* @ap: Port to wait for.
+ * @bits: bits that must be clear
+ * @max: number of 10uS waits to perform
*
* Waits up to max*10 microseconds for the selected bits in the port's
* status register to be cleared.
udelay(10);
status = ata_chk_status(ap);
max--;
- } while ((status & bits) && (max > 0));
+ } while (status != 0xff && (status & bits) && (max > 0));
return status;
}
{
u8 status = ata_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000);
- if (status & (ATA_BUSY | ATA_DRQ)) {
+ if (status != 0xff && (status & (ATA_BUSY | ATA_DRQ))) {
unsigned long l = ap->ioaddr.status_addr;
if (ata_msg_warn(ap))
printk(KERN_WARNING "ATA: abnormal status 0x%X on port 0x%lX\n",
static inline void ata_qc_reinit(struct ata_queued_cmd *qc)
{
+ qc->dma_dir = DMA_NONE;
qc->__sg = NULL;
qc->flags = 0;
- qc->cursect = qc->cursg = qc->cursg_ofs = 0;
- qc->nsect = 0;
+ qc->cursg = qc->cursg_ofs = 0;
qc->nbytes = qc->curbytes = 0;
+ qc->n_elem = 0;
qc->err_mask = 0;
+ qc->pad_len = 0;
ata_tf_init(qc->dev, &qc->tf);
qc->result_tf.feature = 0;
}
-/**
- * ata_irq_on - Enable interrupts on a port.
- * @ap: Port on which interrupts are enabled.
- *
- * Enable interrupts on a legacy IDE device using MMIO or PIO,
- * wait for idle, clear any pending interrupts.
- *
- * LOCKING:
- * Inherited from caller.
- */
-
-static inline u8 ata_irq_on(struct ata_port *ap)
-{
- struct ata_ioports *ioaddr = &ap->ioaddr;
- u8 tmp;
-
- ap->ctl &= ~ATA_NIEN;
- ap->last_ctl = ap->ctl;
-
- if (ap->flags & ATA_FLAG_MMIO)
- writeb(ap->ctl, (void __iomem *) ioaddr->ctl_addr);
- else
- outb(ap->ctl, ioaddr->ctl_addr);
- tmp = ata_wait_idle(ap);
-
- ap->ops->irq_clear(ap);
-
- return tmp;
-}
-
-
/**
* ata_irq_ack - Acknowledge a device interrupt.
* @ap: Port on which interrupts are enabled.
static inline int ata_pad_alloc(struct ata_port *ap, struct device *dev)
{
ap->pad_dma = 0;
- ap->pad = dma_alloc_coherent(dev, ATA_DMA_PAD_BUF_SZ,
- &ap->pad_dma, GFP_KERNEL);
+ ap->pad = dmam_alloc_coherent(dev, ATA_DMA_PAD_BUF_SZ,
+ &ap->pad_dma, GFP_KERNEL);
return (ap->pad == NULL) ? -ENOMEM : 0;
}
static inline void ata_pad_free(struct ata_port *ap, struct device *dev)
{
- dma_free_coherent(dev, ATA_DMA_PAD_BUF_SZ, ap->pad, ap->pad_dma);
+ dmam_free_coherent(dev, ATA_DMA_PAD_BUF_SZ, ap->pad, ap->pad_dma);
}
static inline struct ata_port *ata_shost_to_port(struct Scsi_Host *host)
projects / powerpc.git / blobdiff