55 struct pciide_softc {  struct
56 	struct wdc_softc	sc_wdcdev;	/* common wdc definitions */
57 	pci_chipset_tag_t	sc_pc;		/* PCI registers info */
58 	pcitag_t		sc_tag;
59 	void			*sc_pci_ih;	/* PCI interrupt handle */
60 	int			sc_dma_ok;	/* bus-master DMA info */
61 	bus_space_tag_t		sc_dma_iot;
62 	bus_space_handle_t	sc_dma_ioh;
86 	void (*chip_unmap)(struct pciide_softc *, int);  argument
88 	int sc_rev;
90 	struct channel_softc *wdc_chanarray[PCIIDE_MAX_CHANNELS];
92 	struct pciide_channel {			/* per-channel data */
121 	u_int8_t (*sc_dmacmd_read)(struct pciide_softc *, int);  argument
122 	void (*sc_dmacmd_write)(struct pciide_softc *, int, u_int8_t);  argument
123 	u_int8_t (*sc_dmactl_read)(struct pciide_softc *, int);  argument
124 	void (*sc_dmactl_write)(struct pciide_softc *, int, u_int8_t);  argument
125 	void (*sc_dmatbl_write)(struct pciide_softc *, int, u_int32_t);  argument