#include <linux/workqueue.h>
#include <scsi/scsi_host.h>
#include <linux/acpi.h>
+#include <linux/cdrom.h>
/*
* Define if arch has non-standard setup. This is a _PCI_ standard
ATA_DEF_BUSY_WAIT = 10000,
ATA_SHORT_PAUSE = (HZ >> 6) + 1,
+ ATAPI_MAX_DRAIN = 16 << 10,
+
ATA_SHT_EMULATED = 1,
ATA_SHT_CMD_PER_LUN = 1,
ATA_SHT_THIS_ID = -1,
ATA_DFLAG_NCQ_OFF = (1 << 13), /* device limited to non-NCQ mode */
ATA_DFLAG_SPUNDOWN = (1 << 14), /* XXX: for spindown_compat */
ATA_DFLAG_SLEEPING = (1 << 15), /* device is sleeping */
- ATA_DFLAG_INIT_MASK = (1 << 16) - 1,
+ ATA_DFLAG_DUBIOUS_XFER = (1 << 16), /* data transfer not verified */
+ ATA_DFLAG_INIT_MASK = (1 << 24) - 1,
- ATA_DFLAG_DETACH = (1 << 16),
- ATA_DFLAG_DETACHED = (1 << 17),
+ ATA_DFLAG_DETACH = (1 << 24),
+ ATA_DFLAG_DETACHED = (1 << 25),
ATA_DEV_UNKNOWN = 0, /* unknown device */
ATA_DEV_ATA = 1, /* ATA device */
ATA_PFLAG_SUSPENDED = (1 << 17), /* port is suspended (power) */
ATA_PFLAG_PM_PENDING = (1 << 18), /* PM operation pending */
- ATA_PFLAG_GTM_VALID = (1 << 19), /* acpi_gtm data valid */
+ ATA_PFLAG_INIT_GTM_VALID = (1 << 19), /* initial gtm data valid */
/* struct ata_queued_cmd flags */
ATA_QCFLAG_ACTIVE = (1 << 0), /* cmd not yet ack'd to scsi lyer */
- ATA_QCFLAG_SG = (1 << 1), /* have s/g table? */
- ATA_QCFLAG_SINGLE = (1 << 2), /* no s/g, just a single buffer */
- ATA_QCFLAG_DMAMAP = ATA_QCFLAG_SG | ATA_QCFLAG_SINGLE,
+ ATA_QCFLAG_DMAMAP = (1 << 1), /* SG table is DMA mapped */
ATA_QCFLAG_IO = (1 << 3), /* standard IO command */
ATA_QCFLAG_RESULT_TF = (1 << 4), /* result TF requested */
ATA_QCFLAG_CLEAR_EXCL = (1 << 5), /* clear excl_link on completion */
PORT_DISABLED = 2,
/* encoding various smaller bitmaps into a single
- * unsigned int bitmap
+ * unsigned long bitmap
*/
- ATA_BITS_PIO = 7,
- ATA_BITS_MWDMA = 5,
- ATA_BITS_UDMA = 8,
+ ATA_NR_PIO_MODES = 7,
+ ATA_NR_MWDMA_MODES = 5,
+ ATA_NR_UDMA_MODES = 8,
ATA_SHIFT_PIO = 0,
- ATA_SHIFT_MWDMA = ATA_SHIFT_PIO + ATA_BITS_PIO,
- ATA_SHIFT_UDMA = ATA_SHIFT_MWDMA + ATA_BITS_MWDMA,
-
- ATA_MASK_PIO = ((1 << ATA_BITS_PIO) - 1) << ATA_SHIFT_PIO,
- ATA_MASK_MWDMA = ((1 << ATA_BITS_MWDMA) - 1) << ATA_SHIFT_MWDMA,
- ATA_MASK_UDMA = ((1 << ATA_BITS_UDMA) - 1) << ATA_SHIFT_UDMA,
+ ATA_SHIFT_MWDMA = ATA_SHIFT_PIO + ATA_NR_PIO_MODES,
+ ATA_SHIFT_UDMA = ATA_SHIFT_MWDMA + ATA_NR_MWDMA_MODES,
/* size of buffer to pad xfers ending on unaligned boundaries */
ATA_DMA_PAD_SZ = 4,
ATA_DMA_MASK_ATA = (1 << 0), /* DMA on ATA Disk */
ATA_DMA_MASK_ATAPI = (1 << 1), /* DMA on ATAPI */
ATA_DMA_MASK_CFA = (1 << 2), /* DMA on CF Card */
+
+ /* ATAPI command types */
+ ATAPI_READ = 0, /* READs */
+ ATAPI_WRITE = 1, /* WRITEs */
+ ATAPI_READ_CD = 2, /* READ CD [MSF] */
+ ATAPI_MISC = 3, /* the rest */
+};
+
+enum ata_xfer_mask {
+ ATA_MASK_PIO = ((1LU << ATA_NR_PIO_MODES) - 1)
+ << ATA_SHIFT_PIO,
+ ATA_MASK_MWDMA = ((1LU << ATA_NR_MWDMA_MODES) - 1)
+ << ATA_SHIFT_MWDMA,
+ ATA_MASK_UDMA = ((1LU << ATA_NR_UDMA_MODES) - 1)
+ << ATA_SHIFT_UDMA,
};
enum hsm_task_states {
struct scatterlist sgent;
struct scatterlist pad_sgent;
- void *buf_virt;
/* DO NOT iterate over __sg manually, use ata_for_each_sg() */
struct scatterlist *__sg;
};
struct ata_ering_entry {
- int is_io;
+ unsigned int eflags;
unsigned int err_mask;
u64 timestamp;
};
struct scsi_device *sdev; /* attached SCSI device */
#ifdef CONFIG_ATA_ACPI
acpi_handle acpi_handle;
+ union acpi_object *gtf_cache;
#endif
/* n_sector is used as CLEAR_OFFSET, read comment above CLEAR_OFFSET */
u64 n_sectors; /* size of device, if ATA */
unsigned int cdb_len;
/* per-dev xfer mask */
- unsigned int pio_mask;
- unsigned int mwdma_mask;
- unsigned int udma_mask;
+ unsigned long pio_mask;
+ unsigned long mwdma_mask;
+ unsigned long udma_mask;
/* for CHS addressing */
u16 cylinders; /* Number of cylinders */
int tries[ATA_MAX_DEVICES];
unsigned int classes[ATA_MAX_DEVICES];
unsigned int did_probe_mask;
+ unsigned int saved_ncq_enabled;
+ u8 saved_xfer_mode[ATA_MAX_DEVICES];
};
struct ata_acpi_drive
#ifdef CONFIG_ATA_ACPI
acpi_handle acpi_handle;
- struct ata_acpi_gtm acpi_gtm;
+ struct ata_acpi_gtm __acpi_init_gtm; /* use ata_acpi_init_gtm() */
#endif
u8 sector_buf[ATA_SECT_SIZE]; /* owned by EH */
};
void (*bmdma_setup) (struct ata_queued_cmd *qc);
void (*bmdma_start) (struct ata_queued_cmd *qc);
- void (*data_xfer) (struct ata_device *, unsigned char *, unsigned int, int);
+ unsigned int (*data_xfer) (struct ata_device *dev, unsigned char *buf,
+ unsigned int buflen, int rw);
int (*qc_defer) (struct ata_queued_cmd *qc);
void (*qc_prep) (struct ata_queued_cmd *qc);
extern void ata_tf_to_fis(const struct ata_taskfile *tf,
u8 pmp, int is_cmd, u8 *fis);
extern void ata_tf_from_fis(const u8 *fis, struct ata_taskfile *tf);
+extern unsigned long ata_pack_xfermask(unsigned long pio_mask,
+ unsigned long mwdma_mask, unsigned long udma_mask);
+extern void ata_unpack_xfermask(unsigned long xfer_mask,
+ unsigned long *pio_mask, unsigned long *mwdma_mask,
+ unsigned long *udma_mask);
+extern u8 ata_xfer_mask2mode(unsigned long xfer_mask);
+extern unsigned long ata_xfer_mode2mask(u8 xfer_mode);
+extern int ata_xfer_mode2shift(unsigned long xfer_mode);
+extern const char *ata_mode_string(unsigned long xfer_mask);
+extern unsigned long ata_id_xfermask(const u16 *id);
extern void ata_noop_dev_select(struct ata_port *ap, unsigned int device);
extern void ata_std_dev_select(struct ata_port *ap, unsigned int device);
extern u8 ata_check_status(struct ata_port *ap);
extern int ata_port_start(struct ata_port *ap);
extern int ata_sff_port_start(struct ata_port *ap);
extern irqreturn_t ata_interrupt(int irq, void *dev_instance);
-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 unsigned int ata_data_xfer(struct ata_device *dev,
+ unsigned char *buf, unsigned int buflen, int rw);
+extern unsigned int ata_data_xfer_noirq(struct ata_device *dev,
+ unsigned char *buf, unsigned int buflen, int rw);
extern int ata_std_qc_defer(struct ata_queued_cmd *qc);
extern void ata_dumb_qc_prep(struct ata_queued_cmd *qc);
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);
-extern void ata_sg_init_one(struct ata_queued_cmd *qc, void *buf,
- unsigned int buflen);
extern void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg,
unsigned int n_elem);
extern unsigned int ata_dev_classify(const struct ata_taskfile *tf);
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 void ata_id_to_dma_mode(struct ata_device *dev, u8 unknown);
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);
extern int ata_cable_40wire(struct ata_port *ap);
extern int ata_cable_80wire(struct ata_port *ap);
extern int ata_cable_sata(struct ata_port *ap);
+extern int ata_cable_ignore(struct ata_port *ap);
extern int ata_cable_unknown(struct ata_port *ap);
/*
*/
extern unsigned int ata_pio_need_iordy(const struct ata_device *);
+extern const struct ata_timing *ata_timing_find_mode(u8 xfer_mode);
extern int ata_timing_compute(struct ata_device *, unsigned short,
struct ata_timing *, int, int);
extern void ata_timing_merge(const struct ata_timing *,
const struct ata_timing *, struct ata_timing *,
unsigned int);
+extern u8 ata_timing_cycle2mode(unsigned int xfer_shift, int cycle);
enum {
ATA_TIMING_SETUP = (1 << 0),
/* libata-acpi.c */
#ifdef CONFIG_ATA_ACPI
-extern int ata_acpi_cbl_80wire(struct ata_port *ap);
-int ata_acpi_stm(const struct ata_port *ap, struct ata_acpi_gtm *stm);
-int ata_acpi_gtm(const struct ata_port *ap, struct ata_acpi_gtm *stm);
+static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap)
+{
+ if (ap->pflags & ATA_PFLAG_INIT_GTM_VALID)
+ return &ap->__acpi_init_gtm;
+ return NULL;
+}
+int ata_acpi_stm(struct ata_port *ap, const struct ata_acpi_gtm *stm);
+int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *stm);
+unsigned long ata_acpi_gtm_xfermask(struct ata_device *dev,
+ const struct ata_acpi_gtm *gtm);
+int ata_acpi_cbl_80wire(struct ata_port *ap, const struct ata_acpi_gtm *gtm);
#else
-static inline int ata_acpi_cbl_80wire(struct ata_port *ap) { return 0; }
+static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap)
+{
+ return NULL;
+}
+
+static inline int ata_acpi_stm(const struct ata_port *ap,
+ struct ata_acpi_gtm *stm)
+{
+ return -ENOSYS;
+}
+
+static inline int ata_acpi_gtm(const struct ata_port *ap,
+ struct ata_acpi_gtm *stm)
+{
+ return -ENOSYS;
+}
+
+static inline unsigned int ata_acpi_gtm_xfermask(struct ata_device *dev,
+ const struct ata_acpi_gtm *gtm)
+{
+ return 0;
+}
+
+static inline int ata_acpi_cbl_80wire(struct ata_port *ap,
+ const struct ata_acpi_gtm *gtm)
+{
+ return 0;
+}
#endif
#ifdef CONFIG_PCI
const struct ata_port_info * const * ppi,
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(struct ata_device *, unsigned long);
+extern unsigned long ata_pci_default_filter(struct ata_device *dev,
+ unsigned long xfer_mask);
#endif /* CONFIG_PCI */
/*
* printk helpers
*/
#define ata_port_printk(ap, lv, fmt, args...) \
- printk(lv"ata%u: "fmt, (ap)->print_id , ##args)
+ printk("%sata%u: "fmt, lv, (ap)->print_id , ##args)
#define ata_link_printk(link, lv, fmt, args...) do { \
if ((link)->ap->nr_pmp_links) \
- printk(lv"ata%u.%02u: "fmt, (link)->ap->print_id, \
+ printk("%sata%u.%02u: "fmt, lv, (link)->ap->print_id, \
(link)->pmp , ##args); \
else \
- printk(lv"ata%u: "fmt, (link)->ap->print_id , ##args); \
+ printk("%sata%u: "fmt, lv, (link)->ap->print_id , ##args); \
} while(0)
#define ata_dev_printk(dev, lv, fmt, args...) \
- printk(lv"ata%u.%02u: "fmt, (dev)->link->ap->print_id, \
+ printk("%sata%u.%02u: "fmt, lv, (dev)->link->ap->print_id, \
(dev)->link->pmp + (dev)->devno , ##args)
/*
ata_id_has_flush_ext(dev->id);
}
+static inline int atapi_cmd_type(u8 opcode)
+{
+ switch (opcode) {
+ case GPCMD_READ_10:
+ case GPCMD_READ_12:
+ return ATAPI_READ;
+
+ case GPCMD_WRITE_10:
+ case GPCMD_WRITE_12:
+ case GPCMD_WRITE_AND_VERIFY_10:
+ return ATAPI_WRITE;
+
+ case GPCMD_READ_CD:
+ case GPCMD_READ_CD_MSF:
+ return ATAPI_READ_CD;
+
+ default:
+ return ATAPI_MISC;
+ }
+}
+
static inline unsigned int ac_err_mask(u8 status)
{
if (status & (ATA_BUSY | ATA_DRQ))
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