[unix-history] / usr / src / sys / nfs / nfsdiskless.h

/*
 * Copyright (c) 1991 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Rick Macklem at The University of Guelph.
 *
 * %sccs.include.redist.c%
 *
 *	@(#)nfsdiskless.h	7.4 (Berkeley) %G%
 */

/*
 * Structure that must be initialized for a diskless nfs client.
 * This structure is used by nfs_mountroot() to set up the root and swap
 * vnodes plus do a partial ifconfig(8) and route(8) so that the critical net
 * interface can communicate with the server.
 * The primary bootstrap is expected to fill in the appropriate fields before
 * starting vmunix. Whether or not the swap area is nfs mounted is determined
 * by the value in swdevt[0]. (equal to NODEV --> swap over nfs)
 * Currently only works for AF_INET protocols.
 * NB: All fields are stored in net byte order to avoid hassles with
 * client/server byte ordering differences.
 */
struct nfs_diskless {
	struct ifaliasreq myif;			/* Default interface */
	struct sockaddr_in mygateway;		/* Default gateway */
	struct nfs_args	swap_args;		/* Mount args for swap file */
	u_char		swap_fh[NFS_FHSIZE];	/* Swap file's file handle */
	struct sockaddr_in swap_saddr;		/* Address of swap server */
	char		swap_hostnam[MNAMELEN];	/* Host name for mount pt */
	int		swap_nblks;		/* Size of server swap file */
	struct ucred	swap_ucred;		/* Swap credentials */
	struct nfs_args	root_args;		/* Mount args for root fs */
	u_char		root_fh[NFS_FHSIZE];	/* File handle of root dir */
	struct sockaddr_in root_saddr;		/* Address of root server */
	char		root_hostnam[MNAMELEN];	/* Host name for mount pt */
	time_t		root_time;		/* Timestamp of root fs */
	char		my_hostnam[MAXHOSTNAMELEN]; /* Client host name */
};
Commit	Line	Data
0348afce KM	1	/*
	2	* Copyright (c) 1991 The Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* This code is derived from software contributed to Berkeley by
	6	* Rick Macklem at The University of Guelph.
	7	*
	8	* %sccs.include.redist.c%
	9	*
ffbde618	10	* @(#)nfsdiskless.h 7.4 (Berkeley) %G%
0348afce KM	11	*/
	12
	13	/*
	14	* Structure that must be initialized for a diskless nfs client.
	15	* This structure is used by nfs_mountroot() to set up the root and swap
	16	* vnodes plus do a partial ifconfig(8) and route(8) so that the critical net
	17	* interface can communicate with the server.
2c5b44a2 KM	18	* The primary bootstrap is expected to fill in the appropriate fields before
	19	* starting vmunix. Whether or not the swap area is nfs mounted is determined
	20	* by the value in swdevt[0]. (equal to NODEV --> swap over nfs)
	21	* Currently only works for AF_INET protocols.
	22	* NB: All fields are stored in net byte order to avoid hassles with
	23	* client/server byte ordering differences.
0348afce KM	24	*/
0348afce KM	25	struct nfs_diskless {
2c5b44a2 KM	26	struct ifaliasreq myif; /* Default interface */
	27	struct sockaddr_in mygateway; /* Default gateway */
	28	struct nfs_args swap_args; /* Mount args for swap file */
	29	u_char swap_fh[NFS_FHSIZE]; /* Swap file's file handle */
	30	struct sockaddr_in swap_saddr; /* Address of swap server */
	31	char swap_hostnam[MNAMELEN]; /* Host name for mount pt */
	32	int swap_nblks; /* Size of server swap file */
ffbde618	33	struct ucred swap_ucred; /* Swap credentials */
2c5b44a2 KM	34	struct nfs_args root_args; /* Mount args for root fs */
	35	u_char root_fh[NFS_FHSIZE]; /* File handle of root dir */
	36	struct sockaddr_in root_saddr; /* Address of root server */
	37	char root_hostnam[MNAMELEN]; /* Host name for mount pt */
ffbde618	38	time_t root_time; /* Timestamp of root fs */
ab84b0a7	39	char my_hostnam[MAXHOSTNAMELEN]; /* Client host name */
0348afce	40	};