1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
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19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
30 * Use is subject to license terms.
33 * Copyright (c) 2011 Whamcloud, Inc.
36 * This file is part of Lustre, http://www.lustre.org/
37 * Lustre is a trademark of Sun Microsystems, Inc.
39 #define DEBUG_SUBSYSTEM S_CLASS
41 #include <linux/version.h>
42 #include <linux/vfs.h>
43 #include <obd_class.h>
44 #include <lprocfs_status.h>
45 #include <lustre_log.h>
49 static int mdc_rd_max_rpcs_in_flight(char *page, char **start, off_t off,
50 int count, int *eof, void *data)
52 struct obd_device *dev = data;
53 struct client_obd *cli = &dev->u.cli;
56 client_obd_list_lock(&cli->cl_loi_list_lock);
57 rc = snprintf(page, count, "%u\n", cli->cl_max_rpcs_in_flight);
58 client_obd_list_unlock(&cli->cl_loi_list_lock);
62 static int mdc_wr_max_rpcs_in_flight(struct file *file, const char *buffer,
63 unsigned long count, void *data)
65 struct obd_device *dev = data;
66 struct client_obd *cli = &dev->u.cli;
69 rc = lprocfs_write_helper(buffer, count, &val);
73 if (val < 1 || val > MDC_MAX_RIF_MAX)
76 client_obd_list_lock(&cli->cl_loi_list_lock);
77 cli->cl_max_rpcs_in_flight = val;
78 client_obd_list_unlock(&cli->cl_loi_list_lock);
83 /* temporary for testing */
84 static int mdc_wr_kuc(struct file *file, const char *buffer,
85 unsigned long count, void *data)
87 struct obd_device *obd = data;
89 struct hsm_action_list *hal;
90 struct hsm_action_item *hai;
94 rc = lprocfs_write_helper(buffer, count, &fd);
100 CWARN("message to fd %d\n", fd);
102 len = sizeof(*lh) + sizeof(*hal) + MTI_NAME_MAXLEN +
103 /* for mockup below */ 2 * cfs_size_round(sizeof(*hai));
107 lh->kuc_magic = KUC_MAGIC;
108 lh->kuc_transport = KUC_TRANSPORT_HSM;
109 lh->kuc_msgtype = HMT_ACTION_LIST;
110 lh->kuc_msglen = len;
112 hal = (struct hsm_action_list *)(lh + 1);
113 hal->hal_version = HAL_VERSION;
114 hal->hal_archive_num = 1;
115 obd_uuid2fsname(hal->hal_fsname, obd->obd_name, MTI_NAME_MAXLEN);
117 /* mock up an action list */
120 hai->hai_action = HSMA_ARCHIVE;
121 hai->hai_fid.f_oid = 5;
122 hai->hai_len = sizeof(*hai);
124 hai->hai_action = HSMA_RESTORE;
125 hai->hai_fid.f_oid = 10;
126 hai->hai_len = sizeof(*hai);
128 /* This works for either broadcast or unicast to a single fd */
130 rc = libcfs_kkuc_group_put(KUC_GRP_HSM, lh);
132 cfs_file_t *fp = cfs_get_fd(fd);
133 rc = libcfs_kkuc_msg_put(fp, lh);
142 static struct lprocfs_vars lprocfs_mdc_obd_vars[] = {
143 { "uuid", lprocfs_rd_uuid, 0, 0 },
144 { "ping", 0, lprocfs_wr_ping, 0, 0, 0222 },
145 { "connect_flags", lprocfs_rd_connect_flags, 0, 0 },
146 { "blocksize", lprocfs_rd_blksize, 0, 0 },
147 { "kbytestotal", lprocfs_rd_kbytestotal, 0, 0 },
148 { "kbytesfree", lprocfs_rd_kbytesfree, 0, 0 },
149 { "kbytesavail", lprocfs_rd_kbytesavail, 0, 0 },
150 { "filestotal", lprocfs_rd_filestotal, 0, 0 },
151 { "filesfree", lprocfs_rd_filesfree, 0, 0 },
152 /*{ "filegroups", lprocfs_rd_filegroups, 0, 0 },*/
153 { "mds_server_uuid", lprocfs_rd_server_uuid, 0, 0 },
154 { "mds_conn_uuid", lprocfs_rd_conn_uuid, 0, 0 },
156 * FIXME: below proc entry is provided, but not in used, instead
157 * sbi->sb_md_brw_size is used, the per obd variable should be used
158 * when CMD is enabled, and dir pages are managed in MDC layer.
159 * Remember to enable proc write function.
161 { "max_pages_per_rpc", lprocfs_obd_rd_max_pages_per_rpc,
162 /* lprocfs_obd_wr_max_pages_per_rpc */0, 0 },
163 { "max_rpcs_in_flight", mdc_rd_max_rpcs_in_flight,
164 mdc_wr_max_rpcs_in_flight, 0 },
165 { "timeouts", lprocfs_rd_timeouts, 0, 0 },
166 { "import", lprocfs_rd_import, lprocfs_wr_import, 0 },
167 { "state", lprocfs_rd_state, 0, 0 },
168 { "hsm_nl", 0, mdc_wr_kuc, 0, 0, 0222 },
169 { "pinger_recov", lprocfs_rd_pinger_recov,
170 lprocfs_wr_pinger_recov, 0, 0 },
174 static struct lprocfs_vars lprocfs_mdc_module_vars[] = {
175 { "num_refs", lprocfs_rd_numrefs, 0, 0 },
179 void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars)
181 lvars->module_vars = lprocfs_mdc_module_vars;
182 lvars->obd_vars = lprocfs_mdc_obd_vars;