Differential D4713 Diff 15303 head/sys/boot/powerpc/kboot/hostdisk.c

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head/sys/boot/powerpc/kboot/hostdisk.c

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	#include <sys/types.h>			#include <sys/types.h>
	#include <stdarg.h>			#include <stdarg.h>
	#include "bootstrap.h"			#include "bootstrap.h"
	#include "host_syscall.h"			#include "host_syscall.h"

	static int hostdisk_init(void);			static int hostdisk_init(void);
	static int hostdisk_strategy(void *devdata, int flag, daddr_t dblk,			static int hostdisk_strategy(void *devdata, int flag, daddr_t dblk,
	size_t size, char buf, size_t rsize);			size_t offset, size_t size, char buf, size_t rsize);
	static int hostdisk_open(struct open_file *f, ...);			static int hostdisk_open(struct open_file *f, ...);
	static int hostdisk_close(struct open_file *f);			static int hostdisk_close(struct open_file *f);
	static int hostdisk_ioctl(struct open_file f, u_long cmd, void data);			static int hostdisk_ioctl(struct open_file f, u_long cmd, void data);
	static void hostdisk_print(int verbose);			static void hostdisk_print(int verbose);

	struct devsw hostdisk = {			struct devsw hostdisk = {
	"/dev",			"/dev",
	DEVT_DISK,			DEVT_DISK,
	hostdisk_init,			hostdisk_init,
	hostdisk_strategy,			hostdisk_strategy,
	hostdisk_open,			hostdisk_open,
	hostdisk_close,			hostdisk_close,
	hostdisk_ioctl,			hostdisk_ioctl,
	hostdisk_print,			hostdisk_print,
	};			};

	static int			static int
	hostdisk_init(void)			hostdisk_init(void)
	{			{

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

	static int			static int
	hostdisk_strategy(void *devdata, int flag, daddr_t dblk, size_t size,			hostdisk_strategy(void *devdata, int flag, daddr_t dblk, size_t offset,
	char buf, size_t rsize)			size_t size, char buf, size_t rsize)
	{			{
	struct devdesc *desc = devdata;			struct devdesc *desc = devdata;
	daddr_t pos;			daddr_t pos;
	int n;			int n;

	pos = dblk * 512;			pos = dblk * 512;

	if (host_seek(desc->d_unit, pos, 0) < 0) {			if (host_seek(desc->d_unit, pos, 0) < 0) {
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