diff options
Diffstat (limited to 'include/linux/ide.h')
| -rw-r--r-- | include/linux/ide.h | 76 |
1 files changed, 42 insertions, 34 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h index 02a27e8cbad2..19db0a4ae447 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -576,7 +576,6 @@ typedef struct ide_drive_s { select_t select; /* basic drive/head select reg value */ u8 keep_settings; /* restore settings after drive reset */ - u8 autodma; /* device can safely use dma on host */ u8 using_dma; /* disk is using dma for read/write */ u8 retry_pio; /* retrying dma capable host in pio */ u8 state; /* retry state */ @@ -600,6 +599,7 @@ typedef struct ide_drive_s { unsigned nice0 : 1; /* give obvious excess bandwidth */ unsigned nice2 : 1; /* give a share in our own bandwidth */ unsigned doorlocking : 1; /* for removable only: door lock/unlock works */ + unsigned nodma : 1; /* disallow DMA */ unsigned autotune : 2; /* 0=default, 1=autotune, 2=noautotune */ unsigned remap_0_to_1 : 1; /* 0=noremap, 1=remap 0->1 (for EZDrive) */ unsigned blocked : 1; /* 1=powermanagment told us not to do anything, so sleep nicely */ @@ -685,7 +685,6 @@ typedef struct hwif_s { u8 pio_mask; - u8 atapi_dma; /* host supports atapi_dma */ u8 ultra_mask; u8 mwdma_mask; u8 swdma_mask; @@ -736,7 +735,6 @@ typedef struct hwif_s { void (*dma_exec_cmd)(ide_drive_t *, u8); void (*dma_start)(ide_drive_t *); int (*ide_dma_end)(ide_drive_t *drive); - int (*ide_dma_check)(ide_drive_t *drive); int (*ide_dma_on)(ide_drive_t *drive); void (*dma_off_quietly)(ide_drive_t *drive); int (*ide_dma_test_irq)(ide_drive_t *drive); @@ -772,7 +770,7 @@ typedef struct hwif_s { unsigned int nsect; unsigned int nleft; - unsigned int cursg; + struct scatterlist *cursg; unsigned int cursg_ofs; int rqsize; /* max sectors per request */ @@ -798,13 +796,9 @@ typedef struct hwif_s { unsigned serialized : 1; /* serialized all channel operation */ unsigned sharing_irq: 1; /* 1 = sharing irq with another hwif */ unsigned reset : 1; /* reset after probe */ - unsigned autodma : 1; /* auto-attempt using DMA at boot */ - unsigned no_lba48 : 1; /* 1 = cannot do LBA48 */ - unsigned no_lba48_dma : 1; /* 1 = cannot do LBA48 DMA */ unsigned auto_poll : 1; /* supports nop auto-poll */ unsigned sg_mapped : 1; /* sg_table and sg_nents are ready */ unsigned no_io_32bit : 1; /* 1 = can not do 32-bit IO ops */ - unsigned err_stops_fifo : 1; /* 1=data FIFO is cleared by an error */ unsigned mmio : 1; /* host uses MMIO */ struct device gendev; @@ -1093,11 +1087,6 @@ extern ide_startstop_t ide_do_reset (ide_drive_t *); extern void ide_init_drive_cmd (struct request *rq); /* - * this function returns error location sector offset in case of a write error - */ -extern u64 ide_get_error_location(ide_drive_t *, char *); - -/* * "action" parameter type for ide_do_drive_cmd() below. */ typedef enum { @@ -1218,19 +1207,6 @@ extern void default_hwif_iops(ide_hwif_t *); extern void default_hwif_mmiops(ide_hwif_t *); extern void default_hwif_transport(ide_hwif_t *); -#define ON_BOARD 1 -#define NEVER_BOARD 0 - -#ifdef CONFIG_BLK_DEV_OFFBOARD -# define OFF_BOARD ON_BOARD -#else /* CONFIG_BLK_DEV_OFFBOARD */ -# define OFF_BOARD NEVER_BOARD -#endif /* CONFIG_BLK_DEV_OFFBOARD */ - -#define NODMA 0 -#define NOAUTODMA 1 -#define AUTODMA 2 - typedef struct ide_pci_enablebit_s { u8 reg; /* byte pci reg holding the enable-bit */ u8 mask; /* mask to isolate the enable-bit */ @@ -1261,24 +1237,52 @@ enum { IDE_HFLAG_POST_SET_MODE = (1 << 8), /* don't program host/device for the transfer mode ("smart" hosts) */ IDE_HFLAG_NO_SET_MODE = (1 << 9), + /* trust BIOS for programming chipset/device for DMA */ + IDE_HFLAG_TRUST_BIOS_FOR_DMA = (1 << 10), + /* host uses VDMA */ + IDE_HFLAG_VDMA = (1 << 11), + /* ATAPI DMA is unsupported */ + IDE_HFLAG_NO_ATAPI_DMA = (1 << 12), + /* set if host is a "bootable" controller */ + IDE_HFLAG_BOOTABLE = (1 << 13), + /* host doesn't support DMA */ + IDE_HFLAG_NO_DMA = (1 << 14), + /* check if host is PCI IDE device before allowing DMA */ + IDE_HFLAG_NO_AUTODMA = (1 << 15), + /* host is CS5510/CS5520 */ + IDE_HFLAG_CS5520 = (1 << 16), + /* no LBA48 */ + IDE_HFLAG_NO_LBA48 = (1 << 17), + /* no LBA48 DMA */ + IDE_HFLAG_NO_LBA48_DMA = (1 << 18), + /* data FIFO is cleared by an error */ + IDE_HFLAG_ERROR_STOPS_FIFO = (1 << 19), + /* serialize ports */ + IDE_HFLAG_SERIALIZE = (1 << 20), + /* use legacy IRQs */ + IDE_HFLAG_LEGACY_IRQS = (1 << 21), }; +#ifdef CONFIG_BLK_DEV_OFFBOARD +# define IDE_HFLAG_OFF_BOARD IDE_HFLAG_BOOTABLE +#else +# define IDE_HFLAG_OFF_BOARD 0 +#endif + typedef struct ide_pci_device_s { char *name; - int (*init_setup)(struct pci_dev *, struct ide_pci_device_s *); - void (*init_setup_dma)(struct pci_dev *, struct ide_pci_device_s *, ide_hwif_t *); unsigned int (*init_chipset)(struct pci_dev *, const char *); void (*init_iops)(ide_hwif_t *); void (*init_hwif)(ide_hwif_t *); void (*init_dma)(ide_hwif_t *, unsigned long); void (*fixup)(ide_hwif_t *); - u8 autodma; ide_pci_enablebit_t enablebits[2]; - u8 bootable; unsigned int extra; struct ide_pci_device_s *next; - u16 host_flags; + u32 host_flags; u8 pio_mask; + u8 swdma_mask; + u8 mwdma_mask; u8 udma_mask; } ide_pci_device_t; @@ -1308,7 +1312,6 @@ static inline u8 ide_max_dma_mode(ide_drive_t *drive) return ide_find_dma_mode(drive, XFER_UDMA_6); } -int ide_tune_dma(ide_drive_t *); void ide_dma_off(ide_drive_t *); void ide_dma_verbose(ide_drive_t *); int ide_set_dma(ide_drive_t *); @@ -1335,7 +1338,6 @@ extern void ide_dma_timeout(ide_drive_t *); #else static inline u8 ide_find_dma_mode(ide_drive_t *drive, u8 speed) { return 0; } static inline u8 ide_max_dma_mode(ide_drive_t *drive) { return 0; } -static inline int ide_tune_dma(ide_drive_t *drive) { return 0; } static inline void ide_dma_off(ide_drive_t *drive) { ; } static inline void ide_dma_verbose(ide_drive_t *drive) { ; } static inline int ide_set_dma(ide_drive_t *drive) { return 1; } @@ -1385,7 +1387,6 @@ static inline void ide_set_hwifdata (ide_hwif_t * hwif, void *data) extern char *ide_xfer_verbose(u8 xfer_rate); extern void ide_toggle_bounce(ide_drive_t *drive, int on); extern int ide_set_xfer_rate(ide_drive_t *drive, u8 rate); -int ide_use_fast_pio(ide_drive_t *); static inline int ide_dev_has_iordy(struct hd_driveid *id) { @@ -1460,4 +1461,11 @@ static inline int hwif_to_node(ide_hwif_t *hwif) return dev ? pcibus_to_node(dev->bus) : -1; } +static inline ide_drive_t *ide_get_paired_drive(ide_drive_t *drive) +{ + ide_hwif_t *hwif = HWIF(drive); + + return &hwif->drives[(drive->dn ^ 1) & 1]; +} + #endif /* _IDE_H */ |
