/* * Copyright (c) 1991, 1993 * 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 8.1 (Berkeley) 06/10/93 */ /* * 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 */ long root_time; /* Timestamp of root fs */ char my_hostnam[MAXHOSTNAMELEN]; /* Client host name */ };