diff options
Diffstat (limited to 'include/linux/libata.h')
| -rw-r--r-- | include/linux/libata.h | 116 |
1 files changed, 66 insertions, 50 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h index b2f2003b92e..3bad2701bfa 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -202,12 +202,6 @@ enum { ATA_FLAG_SW_ACTIVITY = (1 << 22), /* driver supports sw activity * led */ - /* The following flag belongs to ap->pflags but is kept in - * ap->flags because it's referenced in many LLDs and will be - * removed in not-too-distant future. - */ - ATA_FLAG_DISABLED = (1 << 23), /* port is disabled, ignore it */ - /* bits 24:31 of ap->flags are reserved for LLD specific flags */ @@ -256,12 +250,13 @@ enum { ATA_TMOUT_INTERNAL_QUICK = 5000, ATA_TMOUT_MAX_PARK = 30000, - /* FIXME: GoVault needs 2s but we can't afford that without - * parallel probing. 800ms is enough for iVDR disk - * HHD424020F7SV00. Increase to 2secs when parallel probing - * is in place. + /* + * GoVault needs 2s and iVDR disk HHD424020F7SV00 800ms. 2s + * is too much without parallel probing. Use 2s if parallel + * probing is available, 800ms otherwise. */ - ATA_TMOUT_FF_WAIT = 800, + ATA_TMOUT_FF_WAIT_LONG = 2000, + ATA_TMOUT_FF_WAIT = 800, /* Spec mandates to wait for ">= 2ms" before checking status * after reset. We wait 150ms, because that was the magic @@ -391,6 +386,7 @@ enum { ATA_HORKAGE_1_5_GBPS = (1 << 13), /* force 1.5 Gbps */ ATA_HORKAGE_NOSETXFER = (1 << 14), /* skip SETXFER, SATA only */ ATA_HORKAGE_BROKEN_FPDMA_AA = (1 << 15), /* skip AA */ + ATA_HORKAGE_DUMP_ID = (1 << 16), /* dump IDENTIFY data */ /* DMA mask for user DMA control: User visible values; DO NOT renumber */ @@ -518,7 +514,9 @@ struct ata_ioports { void __iomem *command_addr; void __iomem *altstatus_addr; void __iomem *ctl_addr; +#ifdef CONFIG_ATA_BMDMA void __iomem *bmdma_addr; +#endif /* CONFIG_ATA_BMDMA */ void __iomem *scr_addr; }; #endif /* CONFIG_ATA_SFF */ @@ -721,15 +719,17 @@ struct ata_port { unsigned int print_id; /* user visible unique port ID */ unsigned int port_no; /* 0 based port no. inside the host */ - struct ata_prd *prd; /* our SG list */ - dma_addr_t prd_dma; /* and its DMA mapping */ - #ifdef CONFIG_ATA_SFF struct ata_ioports ioaddr; /* ATA cmd/ctl/dma register blocks */ -#endif /* CONFIG_ATA_SFF */ - u8 ctl; /* cache of ATA control register */ u8 last_ctl; /* Cache last written value */ + struct delayed_work sff_pio_task; +#ifdef CONFIG_ATA_BMDMA + struct ata_bmdma_prd *bmdma_prd; /* BMDMA SG list */ + dma_addr_t bmdma_prd_dma; /* and its DMA mapping */ +#endif /* CONFIG_ATA_BMDMA */ +#endif /* CONFIG_ATA_SFF */ + unsigned int pio_mask; unsigned int mwdma_mask; unsigned int udma_mask; @@ -751,8 +751,6 @@ struct ata_port { struct ata_host *host; struct device *dev; - void *port_task_data; - struct delayed_work port_task; struct delayed_work hotplug_task; struct work_struct scsi_rescan_task; @@ -849,6 +847,7 @@ struct ata_port_operations { * SFF / taskfile oriented ops */ void (*sff_dev_select)(struct ata_port *ap, unsigned int device); + void (*sff_set_devctl)(struct ata_port *ap, u8 ctl); u8 (*sff_check_status)(struct ata_port *ap); u8 (*sff_check_altstatus)(struct ata_port *ap); void (*sff_tf_load)(struct ata_port *ap, const struct ata_taskfile *tf); @@ -857,16 +856,17 @@ struct ata_port_operations { const struct ata_taskfile *tf); unsigned int (*sff_data_xfer)(struct ata_device *dev, unsigned char *buf, unsigned int buflen, int rw); - u8 (*sff_irq_on)(struct ata_port *); + void (*sff_irq_on)(struct ata_port *); bool (*sff_irq_check)(struct ata_port *); void (*sff_irq_clear)(struct ata_port *); + void (*sff_drain_fifo)(struct ata_queued_cmd *qc); +#ifdef CONFIG_ATA_BMDMA void (*bmdma_setup)(struct ata_queued_cmd *qc); void (*bmdma_start)(struct ata_queued_cmd *qc); void (*bmdma_stop)(struct ata_queued_cmd *qc); u8 (*bmdma_status)(struct ata_port *ap); - - void (*drain_fifo)(struct ata_queued_cmd *qc); +#endif /* CONFIG_ATA_BMDMA */ #endif /* CONFIG_ATA_SFF */ ssize_t (*em_show)(struct ata_port *ap, char *buf); @@ -935,7 +935,6 @@ 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 int sata_set_spd(struct ata_link *link); extern int ata_std_prereset(struct ata_link *link, unsigned long deadline); extern int ata_wait_after_reset(struct ata_link *link, unsigned long deadline, @@ -950,7 +949,6 @@ extern int sata_link_hardreset(struct ata_link *link, extern int sata_std_hardreset(struct ata_link *link, unsigned int *class, unsigned long deadline); extern void ata_std_postreset(struct ata_link *link, unsigned int *classes); -extern void ata_port_disable(struct ata_port *); extern struct ata_host *ata_host_alloc(struct device *dev, int max_ports); extern struct ata_host *ata_host_alloc_pinfo(struct device *dev, @@ -1006,7 +1004,6 @@ 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 int ata_port_start(struct ata_port *ap); extern int ata_std_qc_defer(struct ata_queued_cmd *qc); extern void ata_noop_qc_prep(struct ata_queued_cmd *qc); extern void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg, @@ -1039,9 +1036,6 @@ 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 void ata_pio_queue_task(struct ata_port *ap, void *data, - unsigned long delay); - /* Timing helpers */ extern unsigned int ata_pio_need_iordy(const struct ata_device *); extern const struct ata_timing *ata_timing_find_mode(u8 xfer_mode); @@ -1443,7 +1437,11 @@ static inline void ata_tf_init(struct ata_device *dev, struct ata_taskfile *tf) { memset(tf, 0, sizeof(*tf)); +#ifdef CONFIG_ATA_SFF tf->ctl = dev->link->ap->ctl; +#else + tf->ctl = ATA_DEVCTL_OBS; +#endif if (dev->devno == 0) tf->device = ATA_DEVICE_OBS; else @@ -1564,7 +1562,6 @@ extern void sata_pmp_error_handler(struct ata_port *ap); #ifdef CONFIG_ATA_SFF extern const struct ata_port_operations ata_sff_port_ops; -extern const struct ata_port_operations ata_bmdma_port_ops; extern const struct ata_port_operations ata_bmdma32_port_ops; /* PIO only, sg_tablesize and dma_boundary limits can be removed */ @@ -1573,13 +1570,6 @@ extern const struct ata_port_operations ata_bmdma32_port_ops; .sg_tablesize = LIBATA_MAX_PRD, \ .dma_boundary = ATA_DMA_BOUNDARY -#define ATA_BMDMA_SHT(drv_name) \ - ATA_BASE_SHT(drv_name), \ - .sg_tablesize = LIBATA_MAX_PRD, \ - .dma_boundary = ATA_DMA_BOUNDARY - -extern void ata_sff_qc_prep(struct ata_queued_cmd *qc); -extern void ata_sff_dumb_qc_prep(struct ata_queued_cmd *qc); extern void ata_sff_dev_select(struct ata_port *ap, unsigned int device); extern u8 ata_sff_check_status(struct ata_port *ap); extern void ata_sff_pause(struct ata_port *ap); @@ -1597,13 +1587,14 @@ extern unsigned int ata_sff_data_xfer32(struct ata_device *dev, unsigned char *buf, unsigned int buflen, int rw); extern unsigned int ata_sff_data_xfer_noirq(struct ata_device *dev, unsigned char *buf, unsigned int buflen, int rw); -extern u8 ata_sff_irq_on(struct ata_port *ap); +extern void ata_sff_irq_on(struct ata_port *ap); extern void ata_sff_irq_clear(struct ata_port *ap); extern int ata_sff_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc, u8 status, int in_wq); +extern void ata_sff_queue_pio_task(struct ata_port *ap, unsigned long delay); extern unsigned int ata_sff_qc_issue(struct ata_queued_cmd *qc); extern bool ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc); -extern unsigned int ata_sff_host_intr(struct ata_port *ap, +extern unsigned int ata_sff_port_intr(struct ata_port *ap, struct ata_queued_cmd *qc); extern irqreturn_t ata_sff_interrupt(int irq, void *dev_instance); extern void ata_sff_lost_interrupt(struct ata_port *ap); @@ -1621,21 +1612,8 @@ extern int sata_sff_hardreset(struct ata_link *link, unsigned int *class, extern void ata_sff_postreset(struct ata_link *link, unsigned int *classes); extern void ata_sff_drain_fifo(struct ata_queued_cmd *qc); extern void ata_sff_error_handler(struct ata_port *ap); -extern void ata_sff_post_internal_cmd(struct ata_queued_cmd *qc); -extern int ata_sff_port_start(struct ata_port *ap); -extern int ata_sff_port_start32(struct ata_port *ap); extern void ata_sff_std_ports(struct ata_ioports *ioaddr); -extern unsigned long ata_bmdma_mode_filter(struct ata_device *dev, - unsigned long xfer_mask); -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 u8 ata_bmdma_status(struct ata_port *ap); -extern void ata_bus_reset(struct ata_port *ap); - #ifdef CONFIG_PCI -extern int ata_pci_bmdma_clear_simplex(struct pci_dev *pdev); -extern int ata_pci_bmdma_init(struct ata_host *host); extern int ata_pci_sff_init_host(struct ata_host *host); extern int ata_pci_sff_prepare_host(struct pci_dev *pdev, const struct ata_port_info * const * ppi, @@ -1648,6 +1626,44 @@ extern int ata_pci_sff_init_one(struct pci_dev *pdev, struct scsi_host_template *sht, void *host_priv, int hflags); #endif /* CONFIG_PCI */ +#ifdef CONFIG_ATA_BMDMA + +extern const struct ata_port_operations ata_bmdma_port_ops; + +#define ATA_BMDMA_SHT(drv_name) \ + ATA_BASE_SHT(drv_name), \ + .sg_tablesize = LIBATA_MAX_PRD, \ + .dma_boundary = ATA_DMA_BOUNDARY + +extern void ata_bmdma_qc_prep(struct ata_queued_cmd *qc); +extern unsigned int ata_bmdma_qc_issue(struct ata_queued_cmd *qc); +extern void ata_bmdma_dumb_qc_prep(struct ata_queued_cmd *qc); +extern unsigned int ata_bmdma_port_intr(struct ata_port *ap, + struct ata_queued_cmd *qc); +extern irqreturn_t ata_bmdma_interrupt(int irq, void *dev_instance); +extern void ata_bmdma_error_handler(struct ata_port *ap); +extern void ata_bmdma_post_internal_cmd(struct ata_queued_cmd *qc); +extern void ata_bmdma_irq_clear(struct ata_port *ap); +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 u8 ata_bmdma_status(struct ata_port *ap); +extern int ata_bmdma_port_start(struct ata_port *ap); +extern int ata_bmdma_port_start32(struct ata_port *ap); + +#ifdef CONFIG_PCI +extern int ata_pci_bmdma_clear_simplex(struct pci_dev *pdev); +extern void ata_pci_bmdma_init(struct ata_host *host); +extern int ata_pci_bmdma_prepare_host(struct pci_dev *pdev, + const struct ata_port_info * const * ppi, + struct ata_host **r_host); +extern int ata_pci_bmdma_init_one(struct pci_dev *pdev, + const struct ata_port_info * const * ppi, + struct scsi_host_template *sht, + void *host_priv, int hflags); +#endif /* CONFIG_PCI */ +#endif /* CONFIG_ATA_BMDMA */ + /** * ata_sff_busy_wait - Wait for a port status register * @ap: Port to wait for. |