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Diffstat (limited to 'libexec/rbootd/rmp_var.h')
-rw-r--r-- | libexec/rbootd/rmp_var.h | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/libexec/rbootd/rmp_var.h b/libexec/rbootd/rmp_var.h deleted file mode 100644 index 7df1e87465fc..000000000000 --- a/libexec/rbootd/rmp_var.h +++ /dev/null @@ -1,244 +0,0 @@ -/* - * Copyright (c) 1988, 1992 The University of Utah and the Center - * for Software Science (CSS). - * Copyright (c) 1992, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * the Center for Software Science of the University of Utah Computer - * Science Department. CSS requests users of this software to return - * to css-dist@cs.utah.edu any improvements that they make and grant - * CSS redistribution rights. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)rmp_var.h 8.1 (Berkeley) 6/4/93 - * - * Utah $Hdr: rmp_var.h 3.1 92/07/06$ - * Author: Jeff Forys, University of Utah CSS - */ - -/* - * Possible values for "rmp_type" fields. - */ - -#define RMP_BOOT_REQ 1 /* boot request packet */ -#define RMP_BOOT_REPL 129 /* boot reply packet */ -#define RMP_READ_REQ 2 /* read request packet */ -#define RMP_READ_REPL 130 /* read reply packet */ -#define RMP_BOOT_DONE 3 /* boot complete packet */ - -/* - * Useful constants. - */ - -#define RMP_VERSION 2 /* protocol version */ -#define RMP_TIMEOUT 600 /* timeout connection after ten minutes */ -#define RMP_PROBESID 0xffff /* session ID for probes */ -#define RMP_HOSTLEN 13 /* max length of server's name */ -#define RMP_MACHLEN 20 /* length of machine type field */ - -/* - * RMP error codes - */ - -#define RMP_E_OKAY 0 -#define RMP_E_EOF 2 /* read reply: returned end of file */ -#define RMP_E_ABORT 3 /* abort operation */ -#define RMP_E_BUSY 4 /* boot reply: server busy */ -#define RMP_E_TIMEOUT 5 /* lengthen time out (not implemented) */ -#define RMP_E_NOFILE 16 /* boot reply: file does not exist */ -#define RMP_E_OPENFILE 17 /* boot reply: file open failed */ -#define RMP_E_NODFLT 18 /* boot reply: default file does not exist */ -#define RMP_E_OPENDFLT 19 /* boot reply: default file open failed */ -#define RMP_E_BADSID 25 /* read reply: bad session ID */ -#define RMP_E_BADPACKET 27 /* Bad packet detected */ - -/* - * RMPDATALEN is the maximum number of data octets that can be stuffed - * into an RMP packet. This excludes the 802.2 LLC w/HP extensions. - */ -#define RMPDATALEN (RMP_MAX_PACKET - (sizeof(struct hp_hdr) + \ - sizeof(struct hp_llc))) - -/* - * Define sizes of packets we send. Boot and Read replies are variable - * in length depending on the length of `s'. - * - * Also, define how much space `restofpkt' can take up for outgoing - * Boot and Read replies. Boot Request packets are effectively - * limited to 255 bytes due to the preceding 1-byte length field. - */ - -#define RMPBOOTSIZE(s) (sizeof(struct hp_hdr) + sizeof(struct hp_llc) + \ - sizeof(struct rmp_boot_repl) + s - sizeof(restofpkt)) -#define RMPREADSIZE(s) (sizeof(struct hp_hdr) + sizeof(struct hp_llc) + \ - sizeof(struct rmp_read_repl) + s - sizeof(restofpkt) \ - - sizeof(u_char)) -#define RMPDONESIZE (sizeof(struct hp_hdr) + sizeof(struct hp_llc) + \ - sizeof(struct rmp_boot_done)) -#define RMPBOOTDATA 255 -#define RMPREADDATA (RMPDATALEN - \ - (2*sizeof(u_char)+sizeof(u_short)+sizeof(u_word))) - -/* - * This protocol defines some field sizes as "rest of ethernet packet". - * There is no easy way to specify this in C, so we use a one character - * field to denote it, and index past it to the end of the packet. - */ - -typedef char restofpkt; - -/* - * Due to the RMP packet layout, we'll run into alignment problems - * on machines that cant access words on half-word boundaries. If - * you know that your machine does not suffer from this problem, - * add it to the hp300 #define below. - * - * The following macros are used to deal with this problem: - * WORDZE(w) Return True if u_word `w' is zero, False otherwise. - * ZEROWORD(w) Set u_word `w' to zero. - * COPYWORD(w1,w2) Copy u_word `w1' to `w2'. - * GETWORD(w,i) Copy u_word `w' into int `i'. - * PUTWORD(i,w) Copy int `i' into u_word `w'. - * - * N.B. We do not support little endian alignment-challenged machines. - */ -#if defined(vax) || defined(tahoe) || defined(hp300) - -typedef u_int u_word; - -#define WORDZE(w) ((w) == 0) -#define ZEROWORD(w) (w) = 0 -#define COPYWORD(w1,w2) (w2) = (w1) -#define GETWORD(w, i) (i) = (w) -#define PUTWORD(i, w) (w) = (i) - -#else - -#define _WORD_HIGHPART 0 /* XXX: assume Big Endian for now */ -#define _WORD_LOWPART 1 - -typedef struct _uword { u_short val[2]; } u_word; - -#define WORDZE(w) \ - ((w.val[_WORD_HIGHPART] == 0) && (w.val[_WORD_LOWPART] == 0)) -#define ZEROWORD(w) \ - (w).val[_WORD_HIGHPART] = (w).val[_WORD_LOWPART] = 0 -#define COPYWORD(w1, w2) \ - { (w2).val[_WORD_HIGHPART] = (w1).val[_WORD_HIGHPART]; \ - (w2).val[_WORD_LOWPART] = (w1).val[_WORD_LOWPART]; \ - } -#define GETWORD(w, i) \ - (i) = (((u_int)(w).val[_WORD_HIGHPART]) << 16) | (w).val[_WORD_LOWPART] -#define PUTWORD(i, w) \ - { (w).val[_WORD_HIGHPART] = (u_short) (((i) >> 16) & 0xffff); \ - (w).val[_WORD_LOWPART] = (u_short) (i & 0xffff); \ - } - -#endif - -/* - * Packet structures. - */ - -struct rmp_raw { /* generic RMP packet */ - u_char rmp_type; /* packet type */ - u_char rmp_rawdata[RMPDATALEN-1]; -}; - -struct rmp_boot_req { /* boot request */ - u_char rmp_type; /* packet type (RMP_BOOT_REQ) */ - u_char rmp_retcode; /* return code (0) */ - u_word rmp_seqno; /* sequence number (real time clock) */ - u_short rmp_session; /* session id (normally 0) */ - u_short rmp_version; /* protocol version (RMP_VERSION) */ - char rmp_machtype[RMP_MACHLEN]; /* machine type */ - u_char rmp_flnmsize; /* length of rmp_flnm */ - restofpkt rmp_flnm; /* name of file to be read */ -}; - -struct rmp_boot_repl { /* boot reply */ - u_char rmp_type; /* packet type (RMP_BOOT_REPL) */ - u_char rmp_retcode; /* return code (normally 0) */ - u_word rmp_seqno; /* sequence number (from boot req) */ - u_short rmp_session; /* session id (generated) */ - u_short rmp_version; /* protocol version (RMP_VERSION) */ - u_char rmp_flnmsize; /* length of rmp_flnm */ - restofpkt rmp_flnm; /* name of file (from boot req) */ -}; - -struct rmp_read_req { /* read request */ - u_char rmp_type; /* packet type (RMP_READ_REQ) */ - u_char rmp_retcode; /* return code (0) */ - u_word rmp_offset; /* file relative byte offset */ - u_short rmp_session; /* session id (from boot repl) */ - u_short rmp_size; /* max no of bytes to send */ -}; - -struct rmp_read_repl { /* read reply */ - u_char rmp_type; /* packet type (RMP_READ_REPL) */ - u_char rmp_retcode; /* return code (normally 0) */ - u_word rmp_offset; /* byte offset (from read req) */ - u_short rmp_session; /* session id (from read req) */ - restofpkt rmp_data; /* data (max size from read req) */ - u_char rmp_unused; /* padding to 16-bit boundary */ -}; - -struct rmp_boot_done { /* boot complete */ - u_char rmp_type; /* packet type (RMP_BOOT_DONE) */ - u_char rmp_retcode; /* return code (0) */ - u_word rmp_unused; /* not used (0) */ - u_short rmp_session; /* session id (from read repl) */ -}; - -struct rmp_packet { - struct hp_hdr hp_hdr; - struct hp_llc hp_llc; - union { - struct rmp_boot_req rmp_brq; /* boot request */ - struct rmp_boot_repl rmp_brpl; /* boot reply */ - struct rmp_read_req rmp_rrq; /* read request */ - struct rmp_read_repl rmp_rrpl; /* read reply */ - struct rmp_boot_done rmp_done; /* boot complete */ - struct rmp_raw rmp_raw; /* raw data */ - } rmp_proto; -}; - -/* - * Make life easier... - */ - -#define r_type rmp_proto.rmp_raw.rmp_type -#define r_data rmp_proto.rmp_raw.rmp_data -#define r_brq rmp_proto.rmp_brq -#define r_brpl rmp_proto.rmp_brpl -#define r_rrq rmp_proto.rmp_rrq -#define r_rrpl rmp_proto.rmp_rrpl -#define r_done rmp_proto.rmp_done |