/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * lib/lib-me.c
- * Match Entry management routines
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * Copyright (c) 2001-2003 Cluster File Systems, Inc.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * This file is part of Lustre, http://www.lustre.org
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
- * Lustre is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lnet/lnet/lib-me.c
+ *
+ * Match Entry management routines
*/
-#define DEBUG_SUBSYSTEM S_PORTALS
-
-#ifndef __KERNEL__
-# include <stdio.h>
-#else
-# include <libcfs/kp30.h>
-#endif
+#define DEBUG_SUBSYSTEM S_LNET
-#include <portals/lib-p30.h>
+#include <lnet/lib-lnet.h>
int
-lib_api_me_attach(nal_t *apinal,
- ptl_pt_index_t portal,
- ptl_process_id_t match_id,
- ptl_match_bits_t match_bits,
- ptl_match_bits_t ignore_bits,
- ptl_unlink_t unlink, ptl_ins_pos_t pos,
- ptl_handle_me_t *handle)
+LNetMEAttach(unsigned int portal,
+ lnet_process_id_t match_id,
+ __u64 match_bits, __u64 ignore_bits,
+ lnet_unlink_t unlink, lnet_ins_pos_t pos,
+ lnet_handle_me_t *handle)
{
- lib_nal_t *nal = apinal->nal_data;
- lib_ni_t *ni = &nal->libnal_ni;
- lib_ptl_t *tbl = &ni->ni_portals;
- lib_me_t *me;
- unsigned long flags;
+ lnet_me_t *me;
- if (portal >= tbl->size)
- return PTL_PT_INDEX_INVALID;
+ LASSERT (the_lnet.ln_init);
+ LASSERT (the_lnet.ln_refcount > 0);
- me = lib_me_alloc (nal);
+ if ((int)portal >= the_lnet.ln_nportals)
+ return -EINVAL;
+
+ me = lnet_me_alloc();
if (me == NULL)
- return PTL_NO_SPACE;
+ return -ENOMEM;
- LIB_LOCK(nal, flags);
+ LNET_LOCK();
- me->match_id = match_id;
- me->match_bits = match_bits;
- me->ignore_bits = ignore_bits;
- me->unlink = unlink;
- me->md = NULL;
+ me->me_portal = portal;
+ me->me_match_id = match_id;
+ me->me_match_bits = match_bits;
+ me->me_ignore_bits = ignore_bits;
+ me->me_unlink = unlink;
+ me->me_md = NULL;
- lib_initialise_handle (nal, &me->me_lh, PTL_COOKIE_TYPE_ME);
+ lnet_initialise_handle (&me->me_lh, LNET_COOKIE_TYPE_ME);
- if (pos == PTL_INS_AFTER)
- list_add_tail(&me->me_list, &(tbl->tbl[portal]));
+ if (pos == LNET_INS_AFTER)
+ list_add_tail(&me->me_list, &(the_lnet.ln_portals[portal].ptl_ml));
else
- list_add(&me->me_list, &(tbl->tbl[portal]));
+ list_add(&me->me_list, &(the_lnet.ln_portals[portal].ptl_ml));
- ptl_me2handle(handle, nal, me);
+ lnet_me2handle(handle, me);
- LIB_UNLOCK(nal, flags);
+ LNET_UNLOCK();
- return PTL_OK;
+ return 0;
}
int
-lib_api_me_insert(nal_t *apinal,
- ptl_handle_me_t *current_meh,
- ptl_process_id_t match_id,
- ptl_match_bits_t match_bits,
- ptl_match_bits_t ignore_bits,
- ptl_unlink_t unlink, ptl_ins_pos_t pos,
- ptl_handle_me_t *handle)
+LNetMEInsert(lnet_handle_me_t current_meh,
+ lnet_process_id_t match_id,
+ __u64 match_bits, __u64 ignore_bits,
+ lnet_unlink_t unlink, lnet_ins_pos_t pos,
+ lnet_handle_me_t *handle)
{
- lib_nal_t *nal = apinal->nal_data;
- lib_me_t *current_me;
- lib_me_t *new_me;
- unsigned long flags;
+ lnet_me_t *current_me;
+ lnet_me_t *new_me;
+
+ LASSERT (the_lnet.ln_init);
+ LASSERT (the_lnet.ln_refcount > 0);
- new_me = lib_me_alloc (nal);
+ new_me = lnet_me_alloc();
if (new_me == NULL)
- return PTL_NO_SPACE;
+ return -ENOMEM;
- LIB_LOCK(nal, flags);
+ LNET_LOCK();
- current_me = ptl_handle2me(current_meh, nal);
+ current_me = lnet_handle2me(¤t_meh);
if (current_me == NULL) {
- lib_me_free (nal, new_me);
+ lnet_me_free (new_me);
- LIB_UNLOCK(nal, flags);
- return PTL_ME_INVALID;
+ LNET_UNLOCK();
+ return -ENOENT;
}
- new_me->match_id = match_id;
- new_me->match_bits = match_bits;
- new_me->ignore_bits = ignore_bits;
- new_me->unlink = unlink;
- new_me->md = NULL;
+ new_me->me_portal = current_me->me_portal;
+ new_me->me_match_id = match_id;
+ new_me->me_match_bits = match_bits;
+ new_me->me_ignore_bits = ignore_bits;
+ new_me->me_unlink = unlink;
+ new_me->me_md = NULL;
- lib_initialise_handle (nal, &new_me->me_lh, PTL_COOKIE_TYPE_ME);
+ lnet_initialise_handle (&new_me->me_lh, LNET_COOKIE_TYPE_ME);
- if (pos == PTL_INS_AFTER)
- list_add_tail(&new_me->me_list, ¤t_me->me_list);
- else
+ if (pos == LNET_INS_AFTER)
list_add(&new_me->me_list, ¤t_me->me_list);
+ else
+ list_add_tail(&new_me->me_list, ¤t_me->me_list);
- ptl_me2handle(handle, nal, new_me);
+ lnet_me2handle(handle, new_me);
- LIB_UNLOCK(nal, flags);
+ LNET_UNLOCK();
- return PTL_OK;
+ return 0;
}
int
-lib_api_me_unlink (nal_t *apinal, ptl_handle_me_t *meh)
+LNetMEUnlink(lnet_handle_me_t meh)
{
- lib_nal_t *nal = apinal->nal_data;
- unsigned long flags;
- lib_me_t *me;
- int rc;
+ lnet_me_t *me;
+ lnet_libmd_t *md;
+ lnet_event_t ev;
+
+ LASSERT (the_lnet.ln_init);
+ LASSERT (the_lnet.ln_refcount > 0);
- LIB_LOCK(nal, flags);
+ LNET_LOCK();
- me = ptl_handle2me(meh, nal);
+ me = lnet_handle2me(&meh);
if (me == NULL) {
- rc = PTL_ME_INVALID;
- } else {
- lib_me_unlink(nal, me);
- rc = PTL_OK;
+ LNET_UNLOCK();
+ return -ENOENT;
+ }
+
+ md = me->me_md;
+ if (md != NULL &&
+ md->md_eq != NULL &&
+ md->md_refcount == 0) {
+ lnet_build_unlink_event(md, &ev);
+ lnet_enq_event_locked(md->md_eq, &ev);
}
- LIB_UNLOCK(nal, flags);
+ lnet_me_unlink(me);
- return (rc);
+ LNET_UNLOCK();
+ return 0;
}
-/* call with state_lock please */
+/* call with LNET_LOCK please */
void
-lib_me_unlink(lib_nal_t *nal, lib_me_t *me)
+lnet_me_unlink(lnet_me_t *me)
{
list_del (&me->me_list);
- if (me->md) {
- me->md->me = NULL;
- lib_md_unlink(nal, me->md);
+ if (me->me_md != NULL) {
+ me->me_md->md_me = NULL;
+ lnet_md_unlink(me->me_md);
}
- lib_invalidate_handle (nal, &me->me_lh);
- lib_me_free(nal, me);
+ lnet_invalidate_handle (&me->me_lh);
+ lnet_me_free(me);
}
#if 0
static void
-lib_me_dump(lib_nal_t *nal, lib_me_t * me)
+lib_me_dump(lnet_me_t *me)
{
CWARN("Match Entry %p ("LPX64")\n", me,
me->me_lh.lh_cookie);
CWARN("\tMatch/Ignore\t= %016lx / %016lx\n",
- me->match_bits, me->ignore_bits);
+ me->me_match_bits, me->me_ignore_bits);
CWARN("\tMD\t= %p\n", me->md);
CWARN("\tprev\t= %p\n",
- list_entry(me->me_list.prev, lib_me_t, me_list));
+ list_entry(me->me_list.prev, lnet_me_t, me_list));
CWARN("\tnext\t= %p\n",
- list_entry(me->me_list.next, lib_me_t, me_list));
+ list_entry(me->me_list.next, lnet_me_t, me_list));
}
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff