Differential D4713 Diff 13999 sys/boot/common/bootstrap.h

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sys/boot/common/bootstrap.h

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	#ifndef _BOOTSTRAP_H_			#ifndef _BOOTSTRAP_H_
	#define _BOOTSTRAP_H_			#define _BOOTSTRAP_H_

	#include <sys/types.h>			#include <sys/types.h>
	#include <sys/queue.h>			#include <sys/queue.h>
	#include <sys/linker_set.h>			#include <sys/linker_set.h>

	/*
	* Generic device specifier; architecture-dependant
	* versions may be larger, but should be allowed to
	* overlap.
	*/
	struct devdesc
	{
	struct devsw *d_dev;
	int d_type;
	#define DEVT_NONE 0
	#define DEVT_DISK 1
	#define DEVT_NET 2
	#define DEVT_CD 3
	#define DEVT_ZFS 4
	int d_unit;
	void *d_opendata;
	};

	/* Commands and return values; nonzero return sets command_errmsg != NULL */			/* Commands and return values; nonzero return sets command_errmsg != NULL */
	typedef int (bootblk_cmd_t)(int argc, char *argv[]);			typedef int (bootblk_cmd_t)(int argc, char *argv[]);
	extern char *command_errmsg;			extern char *command_errmsg;
	extern char command_errbuf[]; /* XXX blah, length */			extern char command_errbuf[]; /* XXX blah, length */
	#define CMD_OK 0			#define CMD_OK 0
	#define CMD_WARN 1			#define CMD_WARN 1
	#define CMD_ERROR 2			#define CMD_ERROR 2
	#define CMD_CRIT 3			#define CMD_CRIT 3
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	void hexdump(caddr_t region, size_t len);			void hexdump(caddr_t region, size_t len);
	size_t strlenout(vm_offset_t str);			size_t strlenout(vm_offset_t str);
	char *strdupout(vm_offset_t str);			char *strdupout(vm_offset_t str);
	void kern_bzero(vm_offset_t dest, size_t len);			void kern_bzero(vm_offset_t dest, size_t len);
	int kern_pread(int fd, vm_offset_t dest, size_t len, off_t off);			int kern_pread(int fd, vm_offset_t dest, size_t len, off_t off);
	void *alloc_pread(int fd, off_t off, size_t len);			void *alloc_pread(int fd, off_t off, size_t len);

	/* bcache.c */			/* bcache.c */
	int bcache_init(u_int nblks, size_t bsize);			void bcache_init(u_int nblks, size_t bsize);
	void bcache_flush(void);			void bcache_add_dev(int);
	int bcache_strategy(void *devdata, int unit, int rw, daddr_t blk,			void *bcache_allocate(void);
				void bcache_free(void *);
				int bcache_strategy(void *devdata, int rw, daddr_t blk, size_t offset,
	size_t size, char buf, size_t rsize);			size_t size, char buf, size_t rsize);

	/*			/*
	* Disk block cache			* Disk block cache
	*/			*/
	struct bcache_devdata			struct bcache_devdata
	{			{
	int (dv_strategy)(void devdata, int rw, daddr_t blk, size_t size, char buf, size_t rsize);			int (dv_strategy)(void devdata, int rw, daddr_t blk,
				size_t offset, size_t size, char buf, size_t rsize);
	void *dv_devdata;			void *dv_devdata;
				void *dv_cache;
	};			};

	/*			/*
	* Modular console support.			* Modular console support.
	*/			*/
	struct console			struct console
	{			{
	const char *c_name;			const char *c_name;
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