X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=include%2Flinux%2Flibata.h;h=acd90ad78417863c578c3497680eae701b6416e0;hp=ef52a07c43d8da63eba34a0dd571dc90c8d3310e;hb=001102d7859be0e7f7b9f2d62b841f2c0f9c2640;hpb=7ac3ae32d170cea8cb8e7822acc29ed8f1b1018d diff --git a/include/linux/libata.h b/include/linux/libata.h index ef52a07c43d8..acd90ad78417 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -35,6 +35,7 @@ #include #include #include +#include /* * Define if arch has non-standard setup. This is a _PCI_ standard @@ -119,6 +120,8 @@ enum { 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, @@ -141,10 +144,11 @@ enum { 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 */ @@ -211,13 +215,11 @@ enum { 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 */ @@ -264,19 +266,15 @@ enum { 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, @@ -347,6 +345,21 @@ enum { 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 { @@ -460,7 +473,6 @@ struct ata_queued_cmd { struct scatterlist sgent; struct scatterlist pad_sgent; - void *buf_virt; /* DO NOT iterate over __sg manually, use ata_for_each_sg() */ struct scatterlist *__sg; @@ -480,7 +492,7 @@ struct ata_port_stats { }; struct ata_ering_entry { - int is_io; + unsigned int eflags; unsigned int err_mask; u64 timestamp; }; @@ -498,6 +510,7 @@ struct ata_device { 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 */ @@ -519,9 +532,9 @@ struct ata_device { 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 */ @@ -557,6 +570,8 @@ struct ata_eh_context { 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 @@ -653,7 +668,7 @@ struct ata_port { #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 */ }; @@ -683,7 +698,8 @@ struct ata_port_operations { 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); @@ -845,6 +861,16 @@ extern void ata_tf_read(struct ata_port *ap, struct ata_taskfile *tf); 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); @@ -853,17 +879,15 @@ extern void ata_exec_command(struct ata_port *ap, const struct ata_taskfile *tf) 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); @@ -872,7 +896,6 @@ extern void ata_id_string(const u16 *id, unsigned char *s, 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); @@ -907,6 +930,7 @@ extern u8 ata_irq_on(struct ata_port *ap); 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); /* @@ -914,11 +938,13 @@ 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), @@ -939,11 +965,46 @@ enum { /* 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 @@ -973,7 +1034,8 @@ extern int ata_pci_prepare_sff_host(struct pci_dev *pdev, 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 */ /* @@ -1013,18 +1075,18 @@ extern void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset, * 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) /* @@ -1349,6 +1411,27 @@ static inline int ata_try_flush_cache(const struct ata_device *dev) 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))