/*      $OpenBSD: dev_hppa.h,v 1.9 2011/03/13 00:13:52 deraadt Exp $    */


#define IOPGSHIFT       11
#define IONBPG          (1 << IOPGSHIFT)
#define IOPGOFSET       (IONBPG - 1)

struct disklabel;
struct hppa_dev {
        dev_t   bootdev;
        struct pz_device *pz_dev;       /* device descriptor */
        daddr32_t fsoff;                        /* offset to the file system */
        daddr32_t       last_blk;               /* byte offset for last read blk */
        size_t  last_read;              /* amount read last time */
        struct disklabel *label;
        /* buffer to cache data (aligned properly) */
        char    *buf;
        char    ua_buf[IODC_IOSIZ + IODC_MINIOSIZ];
};

#ifdef PDCDEBUG
#define DEVPATH_PRINT(dp) \
        printf("%x, %d.%d.%d.%d.%d.%d, 0x%x, %x.%x.%x.%x.%x.%x\n", \
               (dp)->dp_flags, (dp)->dp_bc[0], (dp)->dp_bc[1], (dp)->dp_bc[2], \
               (dp)->dp_bc[3], (dp)->dp_bc[4], (dp)->dp_bc[5], (dp)->dp_mod, \
               (dp)->dp_layers[0], (dp)->dp_layers[1], (dp)->dp_layers[2], \
               (dp)->dp_layers[3], (dp)->dp_layers[4], (dp)->dp_layers[5]);
#define PZDEV_PRINT(dp) \
        printf("devpath={%x, %d.%d.%d.%d.%d.%d, 0x%x, %x.%x.%x.%x.%x.%x}," \
               "\n\thpa=%p, spa=%p, io=%p, class=%u\n", \
               (dp)->pz_flags, (dp)->pz_bc[0], (dp)->pz_bc[1], (dp)->pz_bc[2], \
               (dp)->pz_bc[3], (dp)->pz_bc[4], (dp)->pz_bc[5], (dp)->pz_mod, \
               (dp)->pz_layers[0], (dp)->pz_layers[1], (dp)->pz_layers[2], \
               (dp)->pz_layers[3], (dp)->pz_layers[4], (dp)->pz_layers[5], \
               (dp)->pz_hpa, (dp)->pz_spa, (dp)->pz_iodc_io, (dp)->pz_class);
#endif

extern pdcio_t pdc;
extern int pdcbuf[];                    /* PDC returns, pdc.c */

int iodc_rw(char *, u_int, u_int, int func, struct pz_device *);
const char *dk_disklabel(struct hppa_dev *dp, struct disklabel *label);