#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_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
* 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 */
};
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 */
typedef void (*ata_postreset_fn_t)(struct ata_port *ap, unsigned int *classes);
struct ata_ioports {
- unsigned long cmd_addr;
- unsigned long data_addr;
- unsigned long error_addr;
- unsigned long feature_addr;
- unsigned long nsect_addr;
- unsigned long lbal_addr;
- unsigned long lbam_addr;
- unsigned long lbah_addr;
- unsigned long device_addr;
- unsigned long status_addr;
- unsigned long command_addr;
- unsigned long altstatus_addr;
- unsigned long ctl_addr;
- unsigned long bmdma_addr;
- unsigned long scr_addr;
+ void __iomem *cmd_addr;
+ void __iomem *data_addr;
+ void __iomem *error_addr;
+ void __iomem *feature_addr;
+ void __iomem *nsect_addr;
+ void __iomem *lbal_addr;
+ void __iomem *lbam_addr;
+ void __iomem *lbah_addr;
+ void __iomem *device_addr;
+ void __iomem *status_addr;
+ void __iomem *command_addr;
+ void __iomem *altstatus_addr;
+ void __iomem *ctl_addr;
+ void __iomem *bmdma_addr;
+ void __iomem *scr_addr;
};
struct ata_probe_ent {
unsigned int irq_flags;
unsigned long port_flags;
unsigned long _host_flags;
- void __iomem *mmio_base;
+ void __iomem * const *iomap;
void *private_data;
/* port_info for the secondary port. Together with irq2, it's
struct device *dev;
unsigned long irq;
unsigned long irq2;
- void __iomem *mmio_base;
+ void __iomem * const *iomap;
unsigned int n_ports;
void *private_data;
const struct ata_port_operations *ops;
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);
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_ratelimit(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, void (*fn)(void *),
+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,
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 *host);
extern irqreturn_t ata_interrupt (int irq, void *dev_instance);
-extern void ata_mmio_data_xfer(struct ata_device *adev, unsigned char *buf,
- unsigned int buflen, int write_data);
-extern void ata_pio_data_xfer(struct ata_device *adev, unsigned char *buf,
- unsigned int buflen, int write_data);
-extern void ata_pio_data_xfer_noirq(struct ata_device *adev, unsigned char *buf,
- unsigned int buflen, int write_data);
+extern void ata_data_xfer(struct ata_device *adev, unsigned char *buf,
+ unsigned int buflen, int write_data);
+extern void ata_data_xfer_noirq(struct ata_device *adev, unsigned char *buf,
+ unsigned int buflen, int write_data);
extern void ata_qc_prep(struct ata_queued_cmd *qc);
extern void ata_noop_qc_prep(struct ata_queued_cmd *qc);
extern unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc);
unsigned long val;
};
-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);
/**
* 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.
u8 status = ata_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000);
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",
- status, l);
+ printk(KERN_WARNING "ATA: abnormal status 0x%X on port 0x%p\n",
+ status, ap->ioaddr.status_addr);
}
return status;
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);
printk(KERN_ERR "abnormal status 0x%X\n", status);
/* get controller status; clear intr, err bits */
- if (ap->flags & ATA_FLAG_MMIO) {
- void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr;
- host_stat = readb(mmio + ATA_DMA_STATUS);
- writeb(host_stat | ATA_DMA_INTR | ATA_DMA_ERR,
- mmio + ATA_DMA_STATUS);
-
- post_stat = readb(mmio + ATA_DMA_STATUS);
- } else {
- host_stat = inb(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS);
- outb(host_stat | ATA_DMA_INTR | ATA_DMA_ERR,
- ap->ioaddr.bmdma_addr + ATA_DMA_STATUS);
-
- post_stat = inb(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS);
- }
+ host_stat = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS);
+ iowrite8(host_stat | ATA_DMA_INTR | ATA_DMA_ERR,
+ ap->ioaddr.bmdma_addr + ATA_DMA_STATUS);
+
+ post_stat = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS);
if (ata_msg_intr(ap))
printk(KERN_INFO "%s: irq ack: host_stat 0x%X, new host_stat 0x%X, drv_stat 0x%X\n",
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 / linux-drm-fsl-dcu.git / blobdiff