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Differential D8644 Diff 23473 head/sys/boot/pc98/libpc98/biosdisk.c

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head/sys/boot/pc98/libpc98/biosdisk.c

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static int bd_printslice(struct open_disk *od, struct pc98_partition *dp, static int bd_printslice(struct open_disk *od, struct pc98_partition *dp,
char *prefix, int verbose); char *prefix, int verbose);
static int bd_printbsdslice(struct open_disk *od, daddr_t offset, static int bd_printbsdslice(struct open_disk *od, daddr_t offset,
char *prefix, int verbose); char *prefix, int verbose);
static int bd_init(void); static int bd_init(void);
static int bd_strategy(void *devdata, int flag, daddr_t dblk, static int bd_strategy(void *devdata, int flag, daddr_t dblk,
size_t offset, size_t size, char *buf, size_t *rsize); size_t size, char *buf, size_t *rsize);
static int bd_realstrategy(void *devdata, int flag, daddr_t dblk, static int bd_realstrategy(void *devdata, int flag, daddr_t dblk,
size_t offset, size_t size, char *buf, size_t *rsize); size_t size, char *buf, size_t *rsize);
static int bd_open(struct open_file *f, ...); static int bd_open(struct open_file *f, ...);
static int bd_close(struct open_file *f); static int bd_close(struct open_file *f);
static int bd_print(int verbose); static int bd_print(int verbose);
struct devsw biosdisk = { struct devsw biosdisk = {
"disk", "disk",
DEVT_DISK, DEVT_DISK,
bd_init, bd_init,
▲ Show 20 Lines • Show All 609 Lines • ▼ Show 20 Lines#if 0
/* XXX is this required? (especially if disk already open...) */ /* XXX is this required? (especially if disk already open...) */
if (od->od_flags & BD_FLOPPY) if (od->od_flags & BD_FLOPPY)
delay(3000000); delay(3000000);
#endif #endif
free(od); free(od);
} }
static int static int
bd_strategy(void *devdata, int rw, daddr_t dblk, size_t offset, size_t size, bd_strategy(void *devdata, int rw, daddr_t dblk, size_t size,
char *buf, size_t *rsize) char *buf, size_t *rsize)
{ {
struct bcache_devdata bcd; struct bcache_devdata bcd;
struct i386_devdesc *dev = devdata; struct i386_devdesc *dev = devdata;
struct open_disk *od = (struct open_disk *)(dev->d_kind.biosdisk.data); struct open_disk *od = (struct open_disk *)(dev->d_kind.biosdisk.data);
bcd.dv_strategy = bd_realstrategy; bcd.dv_strategy = bd_realstrategy;
bcd.dv_devdata = devdata; bcd.dv_devdata = devdata;
bcd.dv_cache = BD(dev).bd_bcache; bcd.dv_cache = BD(dev).bd_bcache;
return(bcache_strategy(&bcd, rw, dblk+od->od_boff, offset, return(bcache_strategy(&bcd, rw, dblk+od->od_boff, size, buf, rsize));
size, buf, rsize));
} }
static int static int
bd_realstrategy(void *devdata, int rw, daddr_t dblk, size_t offset, bd_realstrategy(void *devdata, int rw, daddr_t dblk,
size_t size, char *buf, size_t *rsize) size_t size, char *buf, size_t *rsize)
{ {
struct open_disk *od = (struct open_disk *)(((struct i386_devdesc *)devdata)->d_kind.biosdisk.data); struct open_disk *od = (struct open_disk *)(((struct i386_devdesc *)devdata)->d_kind.biosdisk.data);
int blks; int blks;
#ifdef BD_SUPPORT_FRAGS #ifdef BD_SUPPORT_FRAGS
char fragbuf[BIOSDISK_SECSIZE]; char fragbuf[BIOSDISK_SECSIZE];
size_t fragsize; size_t fragsize;
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