diff options
Diffstat (limited to 'sys/i386/include/param.h')
| -rw-r--r-- | sys/i386/include/param.h | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/sys/i386/include/param.h b/sys/i386/include/param.h index ba28cfb..f22c7ff 100644 --- a/sys/i386/include/param.h +++ b/sys/i386/include/param.h @@ -99,16 +99,6 @@ #define NBPDR (1<<PDRSHIFT) /* bytes/page dir */ #define PDRMASK (NBPDR-1) -#define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */ -#define DEV_BSIZE (1<<DEV_BSHIFT) - -#ifndef BLKDEV_IOSIZE -#define BLKDEV_IOSIZE PAGE_SIZE /* default block device I/O size */ -#endif -#define DFLTPHYS (64 * 1024) /* default max raw I/O transfer size */ -#define MAXPHYS (128 * 1024) /* max raw I/O transfer size */ -#define MAXDUMPPGS (DFLTPHYS/PAGE_SIZE) - #define IOPAGES 2 /* pages of i/o permission bitmap */ #ifndef KSTACK_PAGES @@ -133,44 +123,6 @@ #define VM_BCACHE_SIZE_MAX (200 * 1024 * 1024) #endif - -/* - * Constants related to network buffer management. - * MCLBYTES must be no larger than PAGE_SIZE. - */ -#ifndef MSIZE -#define MSIZE 256 /* size of an mbuf */ -#endif /* MSIZE */ - -#ifndef MCLSHIFT -#define MCLSHIFT 11 /* convert bytes to mbuf clusters */ -#endif /* MCLSHIFT */ -#define MCLBYTES (1 << MCLSHIFT) /* size of an mbuf cluster */ - -/* - * Some macros for units conversion - */ - -/* clicks to bytes */ -#define ctob(x) ((x)<<PAGE_SHIFT) - -/* bytes to clicks */ -#define btoc(x) (((unsigned)(x)+PAGE_MASK)>>PAGE_SHIFT) - -/* - * btodb() is messy and perhaps slow because `bytes' may be an off_t. We - * want to shift an unsigned type to avoid sign extension and we don't - * want to widen `bytes' unnecessarily. Assume that the result fits in - * a daddr_t. - */ -#define btodb(bytes) /* calculates (bytes / DEV_BSIZE) */ \ - (sizeof (bytes) > sizeof(long) \ - ? (daddr_t)((unsigned long long)(bytes) >> DEV_BSHIFT) \ - : (daddr_t)((unsigned long)(bytes) >> DEV_BSHIFT)) - -#define dbtob(db) /* calculates (db * DEV_BSIZE) */ \ - ((off_t)(db) << DEV_BSHIFT) - /* * Mach derived conversion macros */ |
