Differential D4713 Diff 15303 head/sys/boot/common/md.c

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head/sys/boot/common/md.c

Show First 20 Lines • Show All 54 Lines • ▼ Show 20 Lines	static struct {
u_char end[128];		u_char end[128];
} md_image = {		} md_image = {
.start = "MFS Filesystem goes here",		.start = "MFS Filesystem goes here",
.end = "MFS Filesystem had better STOP here",		.end = "MFS Filesystem had better STOP here",
};		};

/* devsw I/F */		/* devsw I/F */
static int md_init(void);		static int md_init(void);
static int md_strategy(void , int, daddr_t, size_t, char , size_t *);		static int md_strategy(void , int, daddr_t, size_t, size_t, char , size_t *);
static int md_open(struct open_file *, ...);		static int md_open(struct open_file *, ...);
static int md_close(struct open_file *);		static int md_close(struct open_file *);
static void md_print(int);		static void md_print(int);

struct devsw md_dev = {		struct devsw md_dev = {
"md",		"md",
DEVT_DISK,		DEVT_DISK,
md_init,		md_init,
md_strategy,		md_strategy,
md_open,		md_open,
md_close,		md_close,
noioctl,		noioctl,
md_print		md_print
};		};

static int		static int
md_init(void)		md_init(void)
{		{

return (0);		return (0);
}		}

static int		static int
md_strategy(void devdata, int rw, daddr_t blk, size_t size, char buf,		md_strategy(void *devdata, int rw, daddr_t blk, size_t offset, size_t size,
size_t *rsize)		char buf, size_t rsize)
{		{
struct devdesc dev = (struct devdesc )devdata;		struct devdesc dev = (struct devdesc )devdata;
size_t ofs;		size_t ofs;

if (dev->d_unit != 0)		if (dev->d_unit != 0)
return (ENXIO);		return (ENXIO);

if (blk < 0 \|\| blk >= (MD_IMAGE_SIZE / MD_BLOCK_SIZE))		if (blk < 0 \|\| blk >= (MD_IMAGE_SIZE / MD_BLOCK_SIZE))
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