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// SPDX-License-Identifier: GPL-2.0
/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* 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 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).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
* http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
* Copyright (c) 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Lustre is a trademark of Sun Microsystems, Inc.
*/
#define DEBUG_SUBSYSTEM S_LNET
#include "selftest.h"
#include "console.h"
enum {
LST_INIT_NONE = 0,
LST_INIT_WI_SERIAL,
LST_INIT_WI_TEST,
LST_INIT_RPC,
LST_INIT_FW,
LST_INIT_CONSOLE
};
static int lst_init_step = LST_INIT_NONE;
struct cfs_wi_sched *lst_sched_serial;
struct cfs_wi_sched **lst_sched_test;
static void
lnet_selftest_exit(void)
{
int i;
switch (lst_init_step) {
case LST_INIT_CONSOLE:
lstcon_console_fini();
/* fall through */
case LST_INIT_FW:
sfw_shutdown();
/* fall through */
case LST_INIT_RPC:
srpc_shutdown();
/* fall through */
case LST_INIT_WI_TEST:
for (i = 0;
i < cfs_cpt_number(lnet_cpt_table()); i++) {
if (!lst_sched_test[i])
continue;
cfs_wi_sched_destroy(lst_sched_test[i]);
}
LIBCFS_FREE(lst_sched_test,
sizeof(lst_sched_test[0]) *
cfs_cpt_number(lnet_cpt_table()));
lst_sched_test = NULL;
/* fall through */
case LST_INIT_WI_SERIAL:
cfs_wi_sched_destroy(lst_sched_serial);
lst_sched_serial = NULL;
case LST_INIT_NONE:
break;
default:
LBUG();
}
}
static int
lnet_selftest_init(void)
{
int nscheds;
int rc;
int i;
rc = cfs_wi_sched_create("lst_s", lnet_cpt_table(), CFS_CPT_ANY,
1, &lst_sched_serial);
if (rc) {
CERROR("Failed to create serial WI scheduler for LST\n");
return rc;
}
lst_init_step = LST_INIT_WI_SERIAL;
nscheds = cfs_cpt_number(lnet_cpt_table());
LIBCFS_ALLOC(lst_sched_test, sizeof(lst_sched_test[0]) * nscheds);
if (!lst_sched_test)
goto error;
lst_init_step = LST_INIT_WI_TEST;
for (i = 0; i < nscheds; i++) {
int nthrs = cfs_cpt_weight(lnet_cpt_table(), i);
/* reserve at least one CPU for LND */
nthrs = max(nthrs - 1, 1);
rc = cfs_wi_sched_create("lst_t", lnet_cpt_table(), i,
nthrs, &lst_sched_test[i]);
if (rc) {
CWARN("Failed to create CPU partition affinity WI scheduler %d for LST\n",
i);
goto error;
}
}
rc = srpc_startup();
if (rc) {
CERROR("LST can't startup rpc\n");
goto error;
}
lst_init_step = LST_INIT_RPC;
rc = sfw_startup();
if (rc) {
CERROR("LST can't startup framework\n");
goto error;
}
lst_init_step = LST_INIT_FW;
rc = lstcon_console_init();
if (rc) {
CERROR("LST can't startup console\n");
goto error;
}
lst_init_step = LST_INIT_CONSOLE;
return 0;
error:
lnet_selftest_exit();
return rc;
}
MODULE_AUTHOR("OpenSFS, Inc. <http://www.lustre.org/>");
MODULE_DESCRIPTION("LNet Selftest");
MODULE_VERSION("2.7.0");
MODULE_LICENSE("GPL");
module_init(lnet_selftest_init);
module_exit(lnet_selftest_exit);
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