1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
5 * Data movement routines
7 * Copyright (c) 2001-2003 Cluster File Systems, Inc.
9 * This file is part of Lustre, http://www.lustre.org
11 * Lustre is free software; you can redistribute it and/or
12 * modify it under the terms of version 2 of the GNU General Public
13 * License as published by the Free Software Foundation.
15 * Lustre is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with Lustre; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 #define DEBUG_SUBSYSTEM S_PORTALS
30 # include <libcfs/kp30.h>
32 #include <portals/p30.h>
33 #include <portals/lib-p30.h>
36 static void lib_commit_md (lib_nal_t *nal, lib_md_t *md, lib_msg_t *msg);
37 static ptl_err_t do_lib_parse(lib_nal_t *nal, ptl_hdr_t *hdr,
38 void *private, int loopback);
41 lib_match_md(lib_nal_t *nal, int index, int op_mask,
42 ptl_nid_t src_nid, ptl_pid_t src_pid,
43 ptl_size_t rlength, ptl_size_t roffset,
44 ptl_match_bits_t match_bits, lib_msg_t *msg,
45 ptl_size_t *mlength_out, ptl_size_t *offset_out)
47 lib_ni_t *ni = &nal->libnal_ni;
48 struct list_head *match_list = &ni->ni_portals.tbl[index];
49 struct list_head *tmp;
56 CDEBUG (D_NET, "Request from "LPU64".%d of length %d into portal %d "
57 "MB="LPX64"\n", src_nid, src_pid, rlength, index, match_bits);
59 if (index < 0 || index >= ni->ni_portals.size) {
60 CERROR("Invalid portal %d not in [0-%d]\n",
61 index, ni->ni_portals.size);
65 list_for_each (tmp, match_list) {
66 me = list_entry(tmp, lib_me_t, me_list);
69 /* ME attached but MD not attached yet */
73 LASSERT (me == md->me);
75 /* mismatched MD op */
76 if ((md->options & op_mask) == 0)
80 if (lib_md_exhausted(md))
83 /* mismatched ME nid/pid? */
84 if (me->match_id.nid != PTL_NID_ANY &&
85 me->match_id.nid != src_nid)
88 CDEBUG(D_NET, "match_id.pid [%x], src_pid [%x]\n",
89 me->match_id.pid, src_pid);
91 if (me->match_id.pid != PTL_PID_ANY &&
92 me->match_id.pid != src_pid)
95 /* mismatched ME matchbits? */
96 if (((me->match_bits ^ match_bits) & ~me->ignore_bits) != 0)
99 /* Hurrah! This _is_ a match; check it out... */
101 if ((md->options & PTL_MD_MANAGE_REMOTE) == 0)
106 if ((md->options & PTL_MD_MAX_SIZE) != 0) {
107 mlength = md->max_size;
108 LASSERT (md->offset + mlength <= md->length);
110 mlength = md->length - offset;
113 if (rlength <= mlength) { /* fits in allowed space */
115 } else if ((md->options & PTL_MD_TRUNCATE) == 0) {
116 /* this packet _really_ is too big */
117 CERROR("Matching packet %d too big: %d left, "
118 "%d allowed\n", rlength, md->length - offset,
123 /* Commit to this ME/MD */
124 CDEBUG(D_NET, "Incoming %s index %x from "LPU64"/%u of "
125 "length %d/%d into md "LPX64" [%d] + %d\n",
126 (op_mask == PTL_MD_OP_PUT) ? "put" : "get",
127 index, src_nid, src_pid, mlength, rlength,
128 md->md_lh.lh_cookie, md->md_niov, offset);
130 lib_commit_md(nal, md, msg);
131 md->offset = offset + mlength;
133 /* NB Caller sets ev.type and ev.hdr_data */
134 msg->ev.initiator.nid = src_nid;
135 msg->ev.initiator.pid = src_pid;
136 msg->ev.pt_index = index;
137 msg->ev.match_bits = match_bits;
138 msg->ev.rlength = rlength;
139 msg->ev.mlength = mlength;
140 msg->ev.offset = offset;
142 lib_md_deconstruct(nal, md, &msg->ev.md);
143 ptl_md2handle(&msg->ev.md_handle, nal, md);
145 *offset_out = offset;
146 *mlength_out = mlength;
148 /* Auto-unlink NOW, so the ME gets unlinked if required.
149 * We bumped md->pending above so the MD just gets flagged
150 * for unlink when it is finalized. */
151 if ((md->md_flags & PTL_MD_FLAG_AUTO_UNLINK) != 0 &&
152 lib_md_exhausted(md))
153 lib_md_unlink(nal, md);
159 CERROR (LPU64": Dropping %s from "LPU64".%d portal %d match "LPX64
160 " offset %d length %d: no match\n",
161 ni->ni_pid.nid, (op_mask == PTL_MD_OP_GET) ? "GET" : "PUT",
162 src_nid, src_pid, index, match_bits, roffset, rlength);
166 int lib_api_fail_nid (nal_t *apinal, ptl_nid_t nid, unsigned int threshold)
168 lib_nal_t *nal = apinal->nal_data;
171 struct list_head *el;
172 struct list_head *next;
173 struct list_head cull;
175 if (threshold != 0) {
176 /* Adding a new entry */
177 PORTAL_ALLOC(tp, sizeof(*tp));
182 tp->tp_threshold = threshold;
184 LIB_LOCK(nal, flags);
185 list_add_tail (&tp->tp_list, &nal->libnal_ni.ni_test_peers);
186 LIB_UNLOCK(nal, flags);
190 /* removing entries */
191 CFS_INIT_LIST_HEAD (&cull);
193 LIB_LOCK(nal, flags);
195 list_for_each_safe (el, next, &nal->libnal_ni.ni_test_peers) {
196 tp = list_entry (el, lib_test_peer_t, tp_list);
198 if (tp->tp_threshold == 0 || /* needs culling anyway */
199 nid == PTL_NID_ANY || /* removing all entries */
200 tp->tp_nid == nid) /* matched this one */
202 list_del (&tp->tp_list);
203 list_add (&tp->tp_list, &cull);
207 LIB_UNLOCK(nal, flags);
209 while (!list_empty (&cull)) {
210 tp = list_entry (cull.next, lib_test_peer_t, tp_list);
212 list_del (&tp->tp_list);
213 PORTAL_FREE(tp, sizeof (*tp));
219 lib_api_loopback (nal_t *apinal, int set, int *enabled)
221 lib_nal_t *nal = apinal->nal_data;
224 nal->libnal_ni.ni_loopback = *enabled;
226 *enabled = nal->libnal_ni.ni_loopback;
232 fail_peer (lib_nal_t *nal, ptl_nid_t nid, int outgoing)
235 struct list_head *el;
236 struct list_head *next;
238 struct list_head cull;
241 CFS_INIT_LIST_HEAD (&cull);
243 LIB_LOCK (nal, flags);
245 list_for_each_safe (el, next, &nal->libnal_ni.ni_test_peers) {
246 tp = list_entry (el, lib_test_peer_t, tp_list);
248 if (tp->tp_threshold == 0) {
251 /* only cull zombies on outgoing tests,
252 * since we may be at interrupt priority on
253 * incoming messages. */
254 list_del (&tp->tp_list);
255 list_add (&tp->tp_list, &cull);
260 if (tp->tp_nid == PTL_NID_ANY || /* fail every peer */
261 nid == tp->tp_nid) { /* fail this peer */
264 if (tp->tp_threshold != PTL_MD_THRESH_INF) {
267 tp->tp_threshold == 0) {
269 list_del (&tp->tp_list);
270 list_add (&tp->tp_list, &cull);
277 LIB_UNLOCK (nal, flags);
279 while (!list_empty (&cull)) {
280 tp = list_entry (cull.next, lib_test_peer_t, tp_list);
281 list_del (&tp->tp_list);
283 PORTAL_FREE(tp, sizeof (*tp));
290 lib_iov_nob (int niov, struct iovec *iov)
295 nob += (iov++)->iov_len;
301 lib_copy_iov2buf (char *dest, int niov, struct iovec *iov,
302 ptl_size_t offset, ptl_size_t len)
309 /* skip complete frags before 'offset' */
311 while (offset >= iov->iov_len) {
312 offset -= iov->iov_len;
320 nob = MIN (iov->iov_len - offset, len);
321 memcpy (dest, iov->iov_base + offset, nob);
332 lib_copy_buf2iov (int niov, struct iovec *iov, ptl_size_t offset,
333 char *src, ptl_size_t len)
340 /* skip complete frags before 'offset' */
342 while (offset >= iov->iov_len) {
343 offset -= iov->iov_len;
351 nob = MIN (iov->iov_len - offset, len);
352 memcpy (iov->iov_base + offset, src, nob);
363 lib_extract_iov (int dst_niov, struct iovec *dst,
364 int src_niov, struct iovec *src,
365 ptl_size_t offset, ptl_size_t len)
367 /* Initialise 'dst' to the subset of 'src' starting at 'offset',
368 * for exactly 'len' bytes, and return the number of entries.
369 * NB not destructive to 'src' */
373 if (len == 0) /* no data => */
374 return (0); /* no frags */
376 LASSERT (src_niov > 0);
377 while (offset >= src->iov_len) { /* skip initial frags */
378 offset -= src->iov_len;
381 LASSERT (src_niov > 0);
386 LASSERT (src_niov > 0);
387 LASSERT (niov <= dst_niov);
389 frag_len = src->iov_len - offset;
390 dst->iov_base = ((char *)src->iov_base) + offset;
392 if (len <= frag_len) {
397 dst->iov_len = frag_len;
410 lib_kiov_nob (int niov, ptl_kiov_t *kiov)
417 lib_copy_kiov2buf (char *dest, int niov, ptl_kiov_t *kiov,
418 ptl_size_t offset, ptl_size_t len)
424 lib_copy_buf2kiov (int niov, ptl_kiov_t *kiov, ptl_size_t offset,
425 char *src, ptl_size_t len)
431 lib_extract_kiov (int dst_niov, ptl_kiov_t *dst,
432 int src_niov, ptl_kiov_t *src,
433 ptl_size_t offset, ptl_size_t len)
441 lib_kiov_nob (int niov, ptl_kiov_t *kiov)
446 nob += (kiov++)->kiov_len;
452 lib_copy_kiov2buf (char *dest, int niov, ptl_kiov_t *kiov,
453 ptl_size_t offset, ptl_size_t len)
461 LASSERT (!in_interrupt ());
464 while (offset > kiov->kiov_len) {
465 offset -= kiov->kiov_len;
473 nob = MIN (kiov->kiov_len - offset, len);
475 addr = ((char *)cfs_kmap (kiov->kiov_page)) + kiov->kiov_offset + offset;
476 memcpy (dest, addr, nob);
477 cfs_kunmap (kiov->kiov_page);
488 lib_copy_buf2kiov (int niov, ptl_kiov_t *kiov, ptl_size_t offset,
489 char *src, ptl_size_t len)
497 LASSERT (!in_interrupt ());
500 while (offset >= kiov->kiov_len) {
501 offset -= kiov->kiov_len;
509 nob = MIN (kiov->kiov_len - offset, len);
511 addr = ((char *)cfs_kmap (kiov->kiov_page)) + kiov->kiov_offset + offset;
512 memcpy (addr, src, nob);
513 cfs_kunmap (kiov->kiov_page);
524 lib_extract_kiov (int dst_niov, ptl_kiov_t *dst,
525 int src_niov, ptl_kiov_t *src,
526 ptl_size_t offset, ptl_size_t len)
528 /* Initialise 'dst' to the subset of 'src' starting at 'offset',
529 * for exactly 'len' bytes, and return the number of entries.
530 * NB not destructive to 'src' */
534 if (len == 0) /* no data => */
535 return (0); /* no frags */
537 LASSERT (src_niov > 0);
538 while (offset >= src->kiov_len) { /* skip initial frags */
539 offset -= src->kiov_len;
542 LASSERT (src_niov > 0);
547 LASSERT (src_niov > 0);
548 LASSERT (niov <= dst_niov);
550 frag_len = src->kiov_len - offset;
551 dst->kiov_page = src->kiov_page;
552 dst->kiov_offset = src->kiov_offset + offset;
554 if (len <= frag_len) {
556 LASSERT (dst->kiov_offset + dst->kiov_len <= PAGE_SIZE);
560 dst->kiov_len = frag_len;
561 LASSERT (dst->kiov_offset + dst->kiov_len <= PAGE_SIZE);
574 lib_lo_rxiov(lib_nal_t *nal,
583 lo_desc_t *lod = (lo_desc_t *)private;
585 /* I only handle mapped->mapped matches */
586 LASSERT(lod->lod_type == LOD_IOV);
589 while (offset >= iov->iov_len) {
590 offset -= iov->iov_len;
596 while (lod->lod_offset >= lod->lod_iov.iov->iov_len) {
597 lod->lod_offset -= lod->lod_iov.iov->iov_len;
600 LASSERT(lod->lod_niov > 0);
604 int fraglen = MIN(iov->iov_len - offset,
605 lod->lod_iov.iov->iov_len - lod->lod_offset);
608 LASSERT(lod->lod_niov > 0);
613 memcpy((void *)((unsigned long)iov->iov_base + offset),
614 (void *)((unsigned long)lod->lod_iov.iov->iov_base +
618 if (offset + fraglen < iov->iov_len) {
626 if (lod->lod_offset + fraglen < lod->lod_iov.iov->iov_len ) {
627 lod->lod_offset += fraglen;
637 lib_finalize(nal, private, libmsg, PTL_OK);
642 lib_lo_rxkiov(lib_nal_t *nal,
651 void *srcaddr = NULL;
652 void *dstaddr = NULL;
653 unsigned long srcfrag = 0;
654 unsigned long dstfrag = 0;
655 unsigned long fraglen;
656 lo_desc_t *lod = (lo_desc_t *)private;
658 /* I only handle unmapped->unmapped matches */
659 LASSERT(lod->lod_type == LOD_KIOV);
664 while (offset >= kiov->kiov_len) {
665 offset -= kiov->kiov_len;
671 while (lod->lod_offset >= lod->lod_iov.kiov->kiov_len) {
672 lod->lod_offset -= lod->lod_iov.kiov->kiov_len;
675 LASSERT(lod->lod_niov > 0);
679 /* CAVEAT EMPTOR: I kmap 2 pages at once == slight risk of deadlock */
681 if (dstaddr == NULL) {
682 dstaddr = (void *)((unsigned long)kmap(kiov->kiov_page) +
683 kiov->kiov_offset + offset);
684 dstfrag = kiov->kiov_len - offset;
687 LASSERT(lod->lod_niov > 0);
688 if (srcaddr == NULL) {
689 srcaddr = (void *)((unsigned long)kmap(lod->lod_iov.kiov->kiov_page) +
690 lod->lod_iov.kiov->kiov_offset + lod->lod_offset);
691 srcfrag = lod->lod_iov.kiov->kiov_len - lod->lod_offset;
694 fraglen = MIN(srcfrag, dstfrag);
698 memcpy(dstaddr, srcaddr, fraglen);
700 if (fraglen < dstfrag) {
702 dstaddr = (void *)((unsigned long)dstaddr + fraglen);
704 kunmap(kiov->kiov_page);
711 if (fraglen < srcfrag) {
713 srcaddr = (void *)((unsigned long)srcaddr + fraglen);
715 kunmap(lod->lod_iov.kiov->kiov_page);
726 kunmap(kiov->kiov_page);
729 kunmap(lod->lod_iov.kiov->kiov_page);
731 lib_finalize(nal, private, libmsg, PTL_OK);
736 lib_lo_txiov (lib_nal_t *nal,
743 unsigned int payload_niov,
744 struct iovec *payload_iov,
745 size_t payload_offset,
750 .lod_niov = payload_niov,
751 .lod_offset = payload_offset,
752 .lod_nob = payload_nob,
753 .lod_iov = { .iov = payload_iov } };
756 rc = do_lib_parse(nal, hdr, &lod, 1);
758 lib_finalize(nal, private, libmsg, PTL_OK);
764 lib_lo_txkiov (lib_nal_t *nal,
771 unsigned int payload_niov,
772 ptl_kiov_t *payload_kiov,
773 size_t payload_offset,
777 .lod_type = LOD_KIOV,
778 .lod_niov = payload_niov,
779 .lod_offset = payload_offset,
780 .lod_nob = payload_nob,
781 .lod_iov = { .kiov = payload_kiov } };
784 rc = do_lib_parse(nal, hdr, &lod, 1);
786 lib_finalize(nal, private, libmsg, PTL_OK);
792 lib_lo_recv (lib_nal_t *nal, void *private, lib_msg_t *msg, lib_md_t *md,
793 ptl_size_t offset, ptl_size_t mlen, ptl_size_t rlen)
796 lib_finalize(nal, private, msg, PTL_OK);
800 if ((md->options & PTL_MD_KIOV) == 0)
801 return lib_lo_rxiov(nal, private, msg,
802 md->md_niov, md->md_iov.iov,
805 return lib_lo_rxkiov(nal, private, msg,
806 md->md_niov, md->md_iov.kiov,
811 lib_recv (lib_nal_t *nal, void *private, lib_msg_t *msg, lib_md_t *md,
812 ptl_size_t offset, ptl_size_t mlen, ptl_size_t rlen)
815 return (nal->libnal_recv(nal, private, msg,
817 offset, mlen, rlen));
819 if ((md->options & PTL_MD_KIOV) == 0)
820 return (nal->libnal_recv(nal, private, msg,
821 md->md_niov, md->md_iov.iov,
822 offset, mlen, rlen));
824 return (nal->libnal_recv_pages(nal, private, msg,
825 md->md_niov, md->md_iov.kiov,
826 offset, mlen, rlen));
830 lib_send (lib_nal_t *nal, void *private, lib_msg_t *msg,
831 ptl_hdr_t *hdr, int type, ptl_nid_t nid, ptl_pid_t pid,
832 lib_md_t *md, ptl_size_t offset, ptl_size_t len)
834 int loopback = (nal->libnal_ni.ni_loopback &&
835 (nid == nal->libnal_ni.ni_pid.nid));
839 return lib_lo_txiov(nal, private, msg,
844 return nal->libnal_send(nal, private, msg,
850 if ((md->options & PTL_MD_KIOV) == 0) {
852 return lib_lo_txiov(nal, private, msg,
854 md->md_niov, md->md_iov.iov,
857 return nal->libnal_send(nal, private, msg,
859 md->md_niov, md->md_iov.iov,
864 return lib_lo_txkiov(nal, private, msg,
866 md->md_niov, md->md_iov.kiov,
869 return nal->libnal_send_pages(nal, private, msg,
871 md->md_niov, md->md_iov.kiov,
876 lib_commit_md (lib_nal_t *nal, lib_md_t *md, lib_msg_t *msg)
878 /* ALWAYS called holding the LIB_LOCK */
879 lib_counters_t *counters = &nal->libnal_ni.ni_counters;
881 /* Here, we commit the MD to a network OP by marking it busy and
882 * decrementing its threshold. Come what may, the network "owns"
883 * the MD until a call to lib_finalize() signals completion. */
887 if (md->threshold != PTL_MD_THRESH_INF) {
888 LASSERT (md->threshold > 0);
892 counters->msgs_alloc++;
893 if (counters->msgs_alloc > counters->msgs_max)
894 counters->msgs_max = counters->msgs_alloc;
896 list_add (&msg->msg_list, &nal->libnal_ni.ni_active_msgs);
900 lib_drop_message (lib_nal_t *nal, void *private, ptl_hdr_t *hdr, int loopback)
904 /* CAVEAT EMPTOR: this only drops messages that we've not committed
905 * to receive (init_msg() not called) and therefore can't cause an
908 LIB_LOCK(nal, flags);
909 nal->libnal_ni.ni_counters.drop_count++;
910 nal->libnal_ni.ni_counters.drop_length += hdr->payload_length;
911 LIB_UNLOCK(nal, flags);
913 /* NULL msg => if NAL calls lib_finalize it will be a noop */
915 (void) lib_recv(nal, private, NULL, NULL, 0, 0,
916 hdr->payload_length);
920 * Incoming messages have a ptl_msg_t object associated with them
921 * by the library. This object encapsulates the state of the
922 * message and allows the NAL to do non-blocking receives or sends
927 parse_put(lib_nal_t *nal, ptl_hdr_t *hdr, void *private,
928 lib_msg_t *msg, int loopback)
930 lib_ni_t *ni = &nal->libnal_ni;
931 ptl_size_t mlength = 0;
932 ptl_size_t offset = 0;
937 /* Convert put fields to host byte order */
938 hdr->msg.put.match_bits = le64_to_cpu(hdr->msg.put.match_bits);
939 hdr->msg.put.ptl_index = le32_to_cpu(hdr->msg.put.ptl_index);
940 hdr->msg.put.offset = le32_to_cpu(hdr->msg.put.offset);
942 LIB_LOCK(nal, flags);
944 md = lib_match_md(nal, hdr->msg.put.ptl_index, PTL_MD_OP_PUT,
945 hdr->src_nid, hdr->src_pid,
946 hdr->payload_length, hdr->msg.put.offset,
947 hdr->msg.put.match_bits, msg,
950 LIB_UNLOCK(nal, flags);
954 msg->ev.type = PTL_EVENT_PUT_END;
955 msg->ev.hdr_data = hdr->msg.put.hdr_data;
957 if (!ptl_is_wire_handle_none(&hdr->msg.put.ack_wmd) &&
958 !(md->options & PTL_MD_ACK_DISABLE)) {
959 msg->ack_wmd = hdr->msg.put.ack_wmd;
962 ni->ni_counters.recv_count++;
963 ni->ni_counters.recv_length += mlength;
965 LIB_UNLOCK(nal, flags);
968 rc = lib_lo_recv(nal, private, msg, md, offset, mlength,
969 hdr->payload_length);
971 rc = lib_recv(nal, private, msg, md, offset, mlength,
972 hdr->payload_length);
975 CERROR(LPU64": error on receiving PUT from "LPU64": %d\n",
976 ni->ni_pid.nid, hdr->src_nid, rc);
982 parse_get(lib_nal_t *nal, ptl_hdr_t *hdr, void *private,
983 lib_msg_t *msg, int loopback)
985 lib_ni_t *ni = &nal->libnal_ni;
986 ptl_size_t mlength = 0;
987 ptl_size_t offset = 0;
993 /* Convert get fields to host byte order */
994 hdr->msg.get.match_bits = le64_to_cpu(hdr->msg.get.match_bits);
995 hdr->msg.get.ptl_index = le32_to_cpu(hdr->msg.get.ptl_index);
996 hdr->msg.get.sink_length = le32_to_cpu(hdr->msg.get.sink_length);
997 hdr->msg.get.src_offset = le32_to_cpu(hdr->msg.get.src_offset);
999 LIB_LOCK(nal, flags);
1001 md = lib_match_md(nal, hdr->msg.get.ptl_index, PTL_MD_OP_GET,
1002 hdr->src_nid, hdr->src_pid,
1003 hdr->msg.get.sink_length, hdr->msg.get.src_offset,
1004 hdr->msg.get.match_bits, msg,
1007 LIB_UNLOCK(nal, flags);
1011 msg->ev.type = PTL_EVENT_GET_END;
1012 msg->ev.hdr_data = 0;
1014 ni->ni_counters.send_count++;
1015 ni->ni_counters.send_length += mlength;
1017 LIB_UNLOCK(nal, flags);
1019 memset (&reply, 0, sizeof (reply));
1020 reply.type = cpu_to_le32(PTL_MSG_REPLY);
1021 reply.dest_nid = cpu_to_le64(hdr->src_nid);
1022 reply.dest_pid = cpu_to_le32(hdr->src_pid);
1023 reply.src_nid = cpu_to_le64(ni->ni_pid.nid);
1024 reply.src_pid = cpu_to_le32(ni->ni_pid.pid);
1025 reply.payload_length = cpu_to_le32(mlength);
1027 reply.msg.reply.dst_wmd = hdr->msg.get.return_wmd;
1029 /* NB call lib_send() _BEFORE_ lib_recv() completes the incoming
1030 * message. Some NALs _require_ this to implement optimized GET */
1032 rc = lib_send (nal, private, msg, &reply, PTL_MSG_REPLY,
1033 hdr->src_nid, hdr->src_pid, md, offset, mlength);
1035 CERROR(LPU64": Unable to send REPLY for GET from "LPU64": %d\n",
1036 ni->ni_pid.nid, hdr->src_nid, rc);
1038 /* Discard any junk after the hdr */
1040 (void) lib_recv(nal, private, NULL, NULL, 0, 0,
1041 hdr->payload_length);
1047 parse_reply(lib_nal_t *nal, ptl_hdr_t *hdr, void *private,
1048 lib_msg_t *msg, int loopback)
1050 lib_ni_t *ni = &nal->libnal_ni;
1054 unsigned long flags;
1057 LIB_LOCK(nal, flags);
1059 /* NB handles only looked up by creator (no flips) */
1060 md = ptl_wire_handle2md(&hdr->msg.reply.dst_wmd, nal);
1061 if (md == NULL || md->threshold == 0) {
1062 CERROR (LPU64": Dropping REPLY from "LPU64" for %s MD "LPX64"."LPX64"\n",
1063 ni->ni_pid.nid, hdr->src_nid,
1064 md == NULL ? "invalid" : "inactive",
1065 hdr->msg.reply.dst_wmd.wh_interface_cookie,
1066 hdr->msg.reply.dst_wmd.wh_object_cookie);
1068 LIB_UNLOCK(nal, flags);
1072 LASSERT (md->offset == 0);
1074 length = rlength = hdr->payload_length;
1076 if (length > md->length) {
1077 if ((md->options & PTL_MD_TRUNCATE) == 0) {
1078 CERROR (LPU64": Dropping REPLY from "LPU64
1079 " length %d for MD "LPX64" would overflow (%d)\n",
1080 ni->ni_pid.nid, hdr->src_nid, length,
1081 hdr->msg.reply.dst_wmd.wh_object_cookie,
1083 LIB_UNLOCK(nal, flags);
1086 length = md->length;
1089 CDEBUG(D_NET, "Reply from "LPU64" of length %d/%d into md "LPX64"\n",
1090 hdr->src_nid, length, rlength,
1091 hdr->msg.reply.dst_wmd.wh_object_cookie);
1093 lib_commit_md(nal, md, msg);
1095 msg->ev.type = PTL_EVENT_REPLY_END;
1096 msg->ev.initiator.nid = hdr->src_nid;
1097 msg->ev.initiator.pid = hdr->src_pid;
1098 msg->ev.rlength = rlength;
1099 msg->ev.mlength = length;
1102 lib_md_deconstruct(nal, md, &msg->ev.md);
1103 ptl_md2handle(&msg->ev.md_handle, nal, md);
1105 ni->ni_counters.recv_count++;
1106 ni->ni_counters.recv_length += length;
1108 LIB_UNLOCK(nal, flags);
1111 rc = lib_lo_recv(nal, private, msg, md, 0, length, rlength);
1113 rc = lib_recv(nal, private, msg, md, 0, length, rlength);
1116 CERROR(LPU64": error on receiving REPLY from "LPU64": %d\n",
1117 ni->ni_pid.nid, hdr->src_nid, rc);
1123 parse_ack(lib_nal_t *nal, ptl_hdr_t *hdr, void *private,
1124 lib_msg_t *msg, int loopback)
1126 lib_ni_t *ni = &nal->libnal_ni;
1128 unsigned long flags;
1130 /* Convert ack fields to host byte order */
1131 hdr->msg.ack.match_bits = le64_to_cpu(hdr->msg.ack.match_bits);
1132 hdr->msg.ack.mlength = le32_to_cpu(hdr->msg.ack.mlength);
1134 LIB_LOCK(nal, flags);
1136 /* NB handles only looked up by creator (no flips) */
1137 md = ptl_wire_handle2md(&hdr->msg.ack.dst_wmd, nal);
1138 if (md == NULL || md->threshold == 0) {
1139 CDEBUG(D_INFO, LPU64": Dropping ACK from "LPU64" to %s MD "
1140 LPX64"."LPX64"\n", ni->ni_pid.nid, hdr->src_nid,
1141 (md == NULL) ? "invalid" : "inactive",
1142 hdr->msg.ack.dst_wmd.wh_interface_cookie,
1143 hdr->msg.ack.dst_wmd.wh_object_cookie);
1145 LIB_UNLOCK(nal, flags);
1149 CDEBUG(D_NET, LPU64": ACK from "LPU64" into md "LPX64"\n",
1150 ni->ni_pid.nid, hdr->src_nid,
1151 hdr->msg.ack.dst_wmd.wh_object_cookie);
1153 lib_commit_md(nal, md, msg);
1155 msg->ev.type = PTL_EVENT_ACK;
1156 msg->ev.initiator.nid = hdr->src_nid;
1157 msg->ev.initiator.pid = hdr->src_pid;
1158 msg->ev.mlength = hdr->msg.ack.mlength;
1159 msg->ev.match_bits = hdr->msg.ack.match_bits;
1161 lib_md_deconstruct(nal, md, &msg->ev.md);
1162 ptl_md2handle(&msg->ev.md_handle, nal, md);
1164 ni->ni_counters.recv_count++;
1166 LIB_UNLOCK(nal, flags);
1168 /* We have received and matched up the ack OK, create the
1169 * completion event now... */
1170 lib_finalize(nal, private, msg, PTL_OK);
1172 /* ...and now discard any junk after the hdr */
1174 (void) lib_recv(nal, private, NULL, NULL, 0, 0,
1175 hdr->payload_length);
1181 hdr_type_string (ptl_hdr_t *hdr)
1183 switch (hdr->type) {
1195 return ("<UNKNOWN>");
1199 void print_hdr(lib_nal_t *nal, ptl_hdr_t * hdr)
1201 char *type_str = hdr_type_string (hdr);
1203 CWARN("P3 Header at %p of type %s\n", hdr, type_str);
1204 CWARN(" From nid/pid "LPX64"/%u", hdr->src_nid, hdr->src_pid);
1205 CWARN(" To nid/pid "LPX64"/%u\n", hdr->dest_nid, hdr->dest_pid);
1207 switch (hdr->type) {
1212 CWARN(" Ptl index %d, ack md "LPX64"."LPX64", "
1213 "match bits "LPX64"\n",
1214 hdr->msg.put.ptl_index,
1215 hdr->msg.put.ack_wmd.wh_interface_cookie,
1216 hdr->msg.put.ack_wmd.wh_object_cookie,
1217 hdr->msg.put.match_bits);
1218 CWARN(" Length %d, offset %d, hdr data "LPX64"\n",
1219 hdr->payload_length, hdr->msg.put.offset,
1220 hdr->msg.put.hdr_data);
1224 CWARN(" Ptl index %d, return md "LPX64"."LPX64", "
1225 "match bits "LPX64"\n", hdr->msg.get.ptl_index,
1226 hdr->msg.get.return_wmd.wh_interface_cookie,
1227 hdr->msg.get.return_wmd.wh_object_cookie,
1228 hdr->msg.get.match_bits);
1229 CWARN(" Length %d, src offset %d\n",
1230 hdr->msg.get.sink_length,
1231 hdr->msg.get.src_offset);
1235 CWARN(" dst md "LPX64"."LPX64", "
1236 "manipulated length %d\n",
1237 hdr->msg.ack.dst_wmd.wh_interface_cookie,
1238 hdr->msg.ack.dst_wmd.wh_object_cookie,
1239 hdr->msg.ack.mlength);
1243 CWARN(" dst md "LPX64"."LPX64", "
1245 hdr->msg.reply.dst_wmd.wh_interface_cookie,
1246 hdr->msg.reply.dst_wmd.wh_object_cookie,
1247 hdr->payload_length);
1250 } /* end of print_hdr() */
1254 lib_parse(lib_nal_t *nal, ptl_hdr_t *hdr, void *private)
1256 return do_lib_parse(nal, hdr, private, 0);
1260 do_lib_parse(lib_nal_t *nal, ptl_hdr_t *hdr, void *private, int loopback)
1262 unsigned long flags;
1266 /* NB we return PTL_OK if we manage to parse the header and believe
1267 * it looks OK. Anything that goes wrong with receiving the
1268 * message after that point is the responsibility of the NAL */
1270 /* convert common fields to host byte order */
1271 hdr->type = le32_to_cpu(hdr->type);
1272 hdr->src_nid = le64_to_cpu(hdr->src_nid);
1273 hdr->src_pid = le32_to_cpu(hdr->src_pid);
1274 hdr->dest_pid = le32_to_cpu(hdr->dest_pid);
1275 hdr->payload_length = le32_to_cpu(hdr->payload_length);
1277 switch (hdr->type) {
1278 case PTL_MSG_HELLO: {
1279 /* dest_nid is really ptl_magicversion_t */
1280 ptl_magicversion_t *mv = (ptl_magicversion_t *)&hdr->dest_nid;
1282 mv->magic = le32_to_cpu(mv->magic);
1283 mv->version_major = le16_to_cpu(mv->version_major);
1284 mv->version_minor = le16_to_cpu(mv->version_minor);
1286 if (mv->magic == PORTALS_PROTO_MAGIC &&
1287 mv->version_major == PORTALS_PROTO_VERSION_MAJOR &&
1288 mv->version_minor == PORTALS_PROTO_VERSION_MINOR) {
1289 CWARN (LPU64": Dropping unexpected HELLO message: "
1290 "magic %d, version %d.%d from "LPD64"\n",
1291 nal->libnal_ni.ni_pid.nid, mv->magic,
1292 mv->version_major, mv->version_minor,
1295 /* it's good but we don't want it */
1296 lib_drop_message(nal, private, hdr, loopback);
1300 /* we got garbage */
1301 CERROR (LPU64": Bad HELLO message: "
1302 "magic %d, version %d.%d from "LPD64"\n",
1303 nal->libnal_ni.ni_pid.nid, mv->magic,
1304 mv->version_major, mv->version_minor,
1313 hdr->dest_nid = le64_to_cpu(hdr->dest_nid);
1314 if (hdr->dest_nid != nal->libnal_ni.ni_pid.nid) {
1315 CERROR(LPU64": BAD dest NID in %s message from"
1316 LPU64" to "LPU64" (not me)\n",
1317 nal->libnal_ni.ni_pid.nid, hdr_type_string (hdr),
1318 hdr->src_nid, hdr->dest_nid);
1324 CERROR(LPU64": Bad message type 0x%x from "LPU64"\n",
1325 nal->libnal_ni.ni_pid.nid, hdr->type, hdr->src_nid);
1329 /* We've decided we're not receiving garbage since we can parse the
1330 * header. We will return PTL_OK come what may... */
1332 if (!list_empty (&nal->libnal_ni.ni_test_peers) && /* normally we don't */
1333 fail_peer (nal, hdr->src_nid, 0)) /* shall we now? */
1335 CERROR(LPU64": Dropping incoming %s from "LPU64
1336 ": simulated failure\n",
1337 nal->libnal_ni.ni_pid.nid, hdr_type_string (hdr),
1339 lib_drop_message(nal, private, hdr, loopback);
1343 msg = lib_msg_alloc(nal);
1345 CERROR(LPU64": Dropping incoming %s from "LPU64
1346 ": can't allocate a lib_msg_t\n",
1347 nal->libnal_ni.ni_pid.nid, hdr_type_string (hdr),
1349 lib_drop_message(nal, private, hdr, loopback);
1353 switch (hdr->type) {
1355 rc = parse_ack(nal, hdr, private, msg, loopback);
1358 rc = parse_put(nal, hdr, private, msg, loopback);
1361 rc = parse_get(nal, hdr, private, msg, loopback);
1364 rc = parse_reply(nal, hdr, private, msg, loopback);
1368 rc = PTL_FAIL; /* no compiler warning please */
1373 if (msg->md != NULL) {
1375 lib_finalize(nal, private, msg, rc);
1377 LIB_LOCK(nal, flags);
1378 lib_msg_free(nal, msg); /* expects LIB_LOCK held */
1379 LIB_UNLOCK(nal, flags);
1381 lib_drop_message(nal, private, hdr, loopback);
1386 /* That's "OK I can parse it", not "OK I like it" :) */
1390 lib_api_put(nal_t *apinal, ptl_handle_md_t *mdh,
1391 ptl_ack_req_t ack, ptl_process_id_t *id,
1392 ptl_pt_index_t portal, ptl_ac_index_t ac,
1393 ptl_match_bits_t match_bits,
1394 ptl_size_t offset, ptl_hdr_data_t hdr_data)
1396 lib_nal_t *nal = apinal->nal_data;
1397 lib_ni_t *ni = &nal->libnal_ni;
1401 unsigned long flags;
1404 if (!list_empty (&ni->ni_test_peers) && /* normally we don't */
1405 fail_peer (nal, id->nid, 1)) /* shall we now? */
1407 CERROR("Dropping PUT to "LPU64": simulated failure\n",
1409 return PTL_PROCESS_INVALID;
1412 msg = lib_msg_alloc(nal);
1414 CERROR(LPU64": Dropping PUT to "LPU64": ENOMEM on lib_msg_t\n",
1415 ni->ni_pid.nid, id->nid);
1416 return PTL_NO_SPACE;
1419 LIB_LOCK(nal, flags);
1421 md = ptl_handle2md(mdh, nal);
1422 if (md == NULL || md->threshold == 0) {
1423 lib_msg_free(nal, msg);
1424 LIB_UNLOCK(nal, flags);
1426 return PTL_MD_INVALID;
1429 CDEBUG(D_NET, "PtlPut -> "LPX64"\n", id->nid);
1431 memset (&hdr, 0, sizeof (hdr));
1432 hdr.type = cpu_to_le32(PTL_MSG_PUT);
1433 hdr.dest_nid = cpu_to_le64(id->nid);
1434 hdr.dest_pid = cpu_to_le32(id->pid);
1435 hdr.src_nid = cpu_to_le64(ni->ni_pid.nid);
1436 hdr.src_pid = cpu_to_le32(ni->ni_pid.pid);
1437 hdr.payload_length = cpu_to_le32(md->length);
1439 /* NB handles only looked up by creator (no flips) */
1440 if (ack == PTL_ACK_REQ) {
1441 hdr.msg.put.ack_wmd.wh_interface_cookie = ni->ni_interface_cookie;
1442 hdr.msg.put.ack_wmd.wh_object_cookie = md->md_lh.lh_cookie;
1444 hdr.msg.put.ack_wmd = PTL_WIRE_HANDLE_NONE;
1447 hdr.msg.put.match_bits = cpu_to_le64(match_bits);
1448 hdr.msg.put.ptl_index = cpu_to_le32(portal);
1449 hdr.msg.put.offset = cpu_to_le32(offset);
1450 hdr.msg.put.hdr_data = hdr_data;
1452 lib_commit_md(nal, md, msg);
1454 msg->ev.type = PTL_EVENT_SEND_END;
1455 msg->ev.initiator.nid = ni->ni_pid.nid;
1456 msg->ev.initiator.pid = ni->ni_pid.pid;
1457 msg->ev.pt_index = portal;
1458 msg->ev.match_bits = match_bits;
1459 msg->ev.rlength = md->length;
1460 msg->ev.mlength = md->length;
1461 msg->ev.offset = offset;
1462 msg->ev.hdr_data = hdr_data;
1464 lib_md_deconstruct(nal, md, &msg->ev.md);
1465 ptl_md2handle(&msg->ev.md_handle, nal, md);
1467 ni->ni_counters.send_count++;
1468 ni->ni_counters.send_length += md->length;
1470 LIB_UNLOCK(nal, flags);
1472 rc = lib_send (nal, NULL, msg, &hdr, PTL_MSG_PUT,
1473 id->nid, id->pid, md, 0, md->length);
1475 CERROR("Error sending PUT to "LPX64": %d\n",
1477 lib_finalize (nal, NULL, msg, rc);
1480 /* completion will be signalled by an event */
1485 lib_create_reply_msg (lib_nal_t *nal, ptl_nid_t peer_nid, lib_msg_t *getmsg)
1487 /* The NAL can DMA direct to the GET md (i.e. no REPLY msg). This
1488 * returns a msg for the NAL to pass to lib_finalize() when the sink
1489 * data has been received.
1491 * CAVEAT EMPTOR: 'getmsg' is the original GET, which is freed when
1492 * lib_finalize() is called on it, so the NAL must call this first */
1494 lib_ni_t *ni = &nal->libnal_ni;
1495 lib_msg_t *msg = lib_msg_alloc(nal);
1496 lib_md_t *getmd = getmsg->md;
1497 unsigned long flags;
1499 LIB_LOCK(nal, flags);
1501 LASSERT (getmd->pending > 0);
1504 CERROR ("Dropping REPLY from "LPU64": can't allocate msg\n",
1509 if (getmd->threshold == 0) {
1510 CERROR ("Dropping REPLY from "LPU64" for inactive MD %p\n",
1515 LASSERT (getmd->offset == 0);
1517 CDEBUG(D_NET, "Reply from "LPU64" md %p\n", peer_nid, getmd);
1519 lib_commit_md (nal, getmd, msg);
1521 msg->ev.type = PTL_EVENT_REPLY_END;
1522 msg->ev.initiator.nid = peer_nid;
1523 msg->ev.initiator.pid = 0; /* XXX FIXME!!! */
1524 msg->ev.rlength = msg->ev.mlength = getmd->length;
1527 lib_md_deconstruct(nal, getmd, &msg->ev.md);
1528 ptl_md2handle(&msg->ev.md_handle, nal, getmd);
1530 ni->ni_counters.recv_count++;
1531 ni->ni_counters.recv_length += getmd->length;
1533 LIB_UNLOCK(nal, flags);
1538 lib_msg_free(nal, msg);
1540 nal->libnal_ni.ni_counters.drop_count++;
1541 nal->libnal_ni.ni_counters.drop_length += getmd->length;
1543 LIB_UNLOCK (nal, flags);
1549 lib_api_get(nal_t *apinal, ptl_handle_md_t *mdh, ptl_process_id_t *id,
1550 ptl_pt_index_t portal, ptl_ac_index_t ac,
1551 ptl_match_bits_t match_bits, ptl_size_t offset)
1553 lib_nal_t *nal = apinal->nal_data;
1554 lib_ni_t *ni = &nal->libnal_ni;
1558 unsigned long flags;
1561 if (!list_empty (&ni->ni_test_peers) && /* normally we don't */
1562 fail_peer (nal, id->nid, 1)) /* shall we now? */
1564 CERROR("Dropping PUT to "LPX64": simulated failure\n",
1566 return PTL_PROCESS_INVALID;
1569 msg = lib_msg_alloc(nal);
1571 CERROR("Dropping GET to "LPU64": ENOMEM on lib_msg_t\n",
1573 return PTL_NO_SPACE;
1576 LIB_LOCK(nal, flags);
1578 md = ptl_handle2md(mdh, nal);
1579 if (md == NULL || !md->threshold) {
1580 lib_msg_free(nal, msg);
1581 LIB_UNLOCK(nal, flags);
1583 return PTL_MD_INVALID;
1586 CDEBUG(D_NET, "PtlGet -> %Lu: %lu\n", (unsigned long long)id->nid,
1587 (unsigned long)id->pid);
1589 memset (&hdr, 0, sizeof (hdr));
1590 hdr.type = cpu_to_le32(PTL_MSG_GET);
1591 hdr.dest_nid = cpu_to_le64(id->nid);
1592 hdr.dest_pid = cpu_to_le32(id->pid);
1593 hdr.src_nid = cpu_to_le64(ni->ni_pid.nid);
1594 hdr.src_pid = cpu_to_le32(ni->ni_pid.pid);
1595 hdr.payload_length = 0;
1597 /* NB handles only looked up by creator (no flips) */
1598 hdr.msg.get.return_wmd.wh_interface_cookie = ni->ni_interface_cookie;
1599 hdr.msg.get.return_wmd.wh_object_cookie = md->md_lh.lh_cookie;
1601 hdr.msg.get.match_bits = cpu_to_le64(match_bits);
1602 hdr.msg.get.ptl_index = cpu_to_le32(portal);
1603 hdr.msg.get.src_offset = cpu_to_le32(offset);
1604 hdr.msg.get.sink_length = cpu_to_le32(md->length);
1606 lib_commit_md(nal, md, msg);
1608 msg->ev.type = PTL_EVENT_SEND_END;
1609 msg->ev.initiator = ni->ni_pid;
1610 msg->ev.pt_index = portal;
1611 msg->ev.match_bits = match_bits;
1612 msg->ev.rlength = md->length;
1613 msg->ev.mlength = md->length;
1614 msg->ev.offset = offset;
1615 msg->ev.hdr_data = 0;
1617 lib_md_deconstruct(nal, md, &msg->ev.md);
1618 ptl_md2handle(&msg->ev.md_handle, nal, md);
1620 ni->ni_counters.send_count++;
1622 LIB_UNLOCK(nal, flags);
1624 rc = lib_send (nal, NULL, msg, &hdr, PTL_MSG_GET,
1625 id->nid, id->pid, NULL, 0, 0);
1627 CERROR(LPU64": error sending GET to "LPU64": %d\n",
1628 ni->ni_pid.nid, id->nid, rc);
1629 lib_finalize (nal, NULL, msg, rc);
1632 /* completion will be signalled by an event */
1636 void lib_assert_wire_constants (void)
1638 /* Wire protocol assertions generated by 'wirecheck'
1639 * running on Linux mdevi 2.4.21-p4smp-55chaos #1 SMP Tue Jun 8 14:38:44 PDT 2004 i686 i686 i
1640 * with gcc version 3.2.3 20030502 (Red Hat Linux 3.2.3-34) */
1644 LASSERT (PORTALS_PROTO_MAGIC == 0xeebc0ded);
1645 LASSERT (PORTALS_PROTO_VERSION_MAJOR == 1);
1646 LASSERT (PORTALS_PROTO_VERSION_MINOR == 0);
1647 LASSERT (PTL_MSG_ACK == 0);
1648 LASSERT (PTL_MSG_PUT == 1);
1649 LASSERT (PTL_MSG_GET == 2);
1650 LASSERT (PTL_MSG_REPLY == 3);
1651 LASSERT (PTL_MSG_HELLO == 4);
1653 /* Checks for struct ptl_handle_wire_t */
1654 LASSERT ((int)sizeof(ptl_handle_wire_t) == 16);
1655 LASSERT ((int)offsetof(ptl_handle_wire_t, wh_interface_cookie) == 0);
1656 LASSERT ((int)sizeof(((ptl_handle_wire_t *)0)->wh_interface_cookie) == 8);
1657 LASSERT ((int)offsetof(ptl_handle_wire_t, wh_object_cookie) == 8);
1658 LASSERT ((int)sizeof(((ptl_handle_wire_t *)0)->wh_object_cookie) == 8);
1660 /* Checks for struct ptl_magicversion_t */
1661 LASSERT ((int)sizeof(ptl_magicversion_t) == 8);
1662 LASSERT ((int)offsetof(ptl_magicversion_t, magic) == 0);
1663 LASSERT ((int)sizeof(((ptl_magicversion_t *)0)->magic) == 4);
1664 LASSERT ((int)offsetof(ptl_magicversion_t, version_major) == 4);
1665 LASSERT ((int)sizeof(((ptl_magicversion_t *)0)->version_major) == 2);
1666 LASSERT ((int)offsetof(ptl_magicversion_t, version_minor) == 6);
1667 LASSERT ((int)sizeof(((ptl_magicversion_t *)0)->version_minor) == 2);
1669 /* Checks for struct ptl_hdr_t */
1670 LASSERT ((int)sizeof(ptl_hdr_t) == 72);
1671 LASSERT ((int)offsetof(ptl_hdr_t, dest_nid) == 0);
1672 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->dest_nid) == 8);
1673 LASSERT ((int)offsetof(ptl_hdr_t, src_nid) == 8);
1674 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->src_nid) == 8);
1675 LASSERT ((int)offsetof(ptl_hdr_t, dest_pid) == 16);
1676 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->dest_pid) == 4);
1677 LASSERT ((int)offsetof(ptl_hdr_t, src_pid) == 20);
1678 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->src_pid) == 4);
1679 LASSERT ((int)offsetof(ptl_hdr_t, type) == 24);
1680 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->type) == 4);
1681 LASSERT ((int)offsetof(ptl_hdr_t, payload_length) == 28);
1682 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->payload_length) == 4);
1683 LASSERT ((int)offsetof(ptl_hdr_t, msg) == 32);
1684 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->msg) == 40);
1687 LASSERT ((int)offsetof(ptl_hdr_t, msg.ack.dst_wmd) == 32);
1688 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->msg.ack.dst_wmd) == 16);
1689 LASSERT ((int)offsetof(ptl_hdr_t, msg.ack.match_bits) == 48);
1690 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->msg.ack.match_bits) == 8);
1691 LASSERT ((int)offsetof(ptl_hdr_t, msg.ack.mlength) == 56);
1692 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->msg.ack.mlength) == 4);
1695 LASSERT ((int)offsetof(ptl_hdr_t, msg.put.ack_wmd) == 32);
1696 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->msg.put.ack_wmd) == 16);
1697 LASSERT ((int)offsetof(ptl_hdr_t, msg.put.match_bits) == 48);
1698 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->msg.put.match_bits) == 8);
1699 LASSERT ((int)offsetof(ptl_hdr_t, msg.put.hdr_data) == 56);
1700 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->msg.put.hdr_data) == 8);
1701 LASSERT ((int)offsetof(ptl_hdr_t, msg.put.ptl_index) == 64);
1702 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->msg.put.ptl_index) == 4);
1703 LASSERT ((int)offsetof(ptl_hdr_t, msg.put.offset) == 68);
1704 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->msg.put.offset) == 4);
1707 LASSERT ((int)offsetof(ptl_hdr_t, msg.get.return_wmd) == 32);
1708 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->msg.get.return_wmd) == 16);
1709 LASSERT ((int)offsetof(ptl_hdr_t, msg.get.match_bits) == 48);
1710 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->msg.get.match_bits) == 8);
1711 LASSERT ((int)offsetof(ptl_hdr_t, msg.get.ptl_index) == 56);
1712 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->msg.get.ptl_index) == 4);
1713 LASSERT ((int)offsetof(ptl_hdr_t, msg.get.src_offset) == 60);
1714 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->msg.get.src_offset) == 4);
1715 LASSERT ((int)offsetof(ptl_hdr_t, msg.get.sink_length) == 64);
1716 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->msg.get.sink_length) == 4);
1719 LASSERT ((int)offsetof(ptl_hdr_t, msg.reply.dst_wmd) == 32);
1720 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->msg.reply.dst_wmd) == 16);
1723 LASSERT ((int)offsetof(ptl_hdr_t, msg.hello.incarnation) == 32);
1724 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->msg.hello.incarnation) == 8);
1725 LASSERT ((int)offsetof(ptl_hdr_t, msg.hello.type) == 40);
1726 LASSERT ((int)sizeof(((ptl_hdr_t *)0)->msg.hello.type) == 4);