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| author | Ingo Molnar <mingo@elte.hu> | 2008-11-26 08:22:50 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-11-26 08:22:50 +0100 |
| commit | 7fbb8759eff9a348efa5f352ffaa51c364837c4b (patch) | |
| tree | d40cd3f47b9f667ba94d9613270132080dcb6a1a /include/linux/fd.h | |
| parent | 6003ab0bad4cc56f3c4fadf62a0d23a967b9c53b (diff) | |
| parent | 13d428afc007fcfcd6deeb215618f54cf9c0cae6 (diff) | |
Merge commit 'v2.6.28-rc6' into core/debug
Diffstat (limited to 'include/linux/fd.h')
| -rw-r--r-- | include/linux/fd.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/fd.h b/include/linux/fd.h index b6bd41d2b46..f5d194af07a 100644 --- a/include/linux/fd.h +++ b/include/linux/fd.h @@ -15,10 +15,16 @@ struct floppy_struct { sect, /* sectors per track */ head, /* nr of heads */ track, /* nr of tracks */ - stretch; /* !=0 means double track steps */ + stretch; /* bit 0 !=0 means double track steps */ + /* bit 1 != 0 means swap sides */ + /* bits 2..9 give the first sector */ + /* number (the LSB is flipped) */ #define FD_STRETCH 1 #define FD_SWAPSIDES 2 #define FD_ZEROBASED 4 +#define FD_SECTBASEMASK 0x3FC +#define FD_MKSECTBASE(s) (((s) ^ 1) << 2) +#define FD_SECTBASE(floppy) ((((floppy)->stretch & FD_SECTBASEMASK) >> 2) ^ 1) unsigned char gap, /* gap1 size */ |