projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| f7acbdcc | 1 | /* conf.c 1.2 %G% */ |
| c7ebcc4e BJ |
2 | |
| 3 | #include "../h/param.h" | |
| 4 | #include "../h/inode.h" | |
| f7acbdcc | 5 | #include "../h/pte.h" |
| c7ebcc4e BJ |
6 | #include "../h/mba.h" |
| 7 | #include "saio.h" | |
| 8 | ||
| 9 | devread(io) | |
| 10 | register struct iob *io; | |
| 11 | { | |
| 12 | ||
| 13 | return( (*devsw[io->i_ino.i_dev].dv_strategy)(io,READ) ); | |
| 14 | } | |
| 15 | ||
| 16 | devwrite(io) | |
| 17 | register struct iob *io; | |
| 18 | { | |
| 19 | return( (*devsw[io->i_ino.i_dev].dv_strategy)(io, WRITE) ); | |
| 20 | } | |
| 21 | ||
| 22 | devopen(io) | |
| 23 | register struct iob *io; | |
| 24 | { | |
| 25 | (*devsw[io->i_ino.i_dev].dv_open)(io); | |
| 26 | } | |
| 27 | ||
| 28 | devclose(io) | |
| 29 | register struct iob *io; | |
| 30 | { | |
| 31 | (*devsw[io->i_ino.i_dev].dv_close)(io); | |
| 32 | } | |
| 33 | ||
| 34 | nullsys() | |
| 35 | { ; } | |
| 36 | ||
| 37 | int nullsys(); | |
| 38 | int hpstrategy(), hpopen(); | |
| 39 | int htstrategy(), htopen(), htclose(); | |
| 40 | int upstrategy(), upopen(); | |
| 41 | ||
| 42 | struct devsw devsw[] = { | |
| 43 | "hp", hpstrategy, hpopen, nullsys, | |
| 44 | "ht", htstrategy, htopen, htclose, | |
| 45 | "up", upstrategy, upopen, nullsys, | |
| 46 | 0,0,0,0 | |
| 47 | }; | |
| 48 | ||
| 49 | int mbanum[] = { /* mba number of major device */ | |
| 50 | 0, /* disk */ | |
| 51 | 1, /* tape */ | |
| 52 | -1, /* unused */ | |
| 53 | }; | |
| 54 | ||
| 55 | int *mbaloc[] = { /* physical location of mba */ | |
| 56 | (int *)PHYSMBA0, | |
| 57 | (int *)PHYSMBA1, | |
| 58 | }; |