4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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7 * it under the terms of the GNU General Public License version 2 only,
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10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
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18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
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21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
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33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 #define DEBUG_SUBSYSTEM S_CLASS
38 #include <linux/vfs.h>
39 #include <obd_class.h>
40 #include <lprocfs_status.h>
44 static int mdc_max_rpcs_in_flight_seq_show(struct seq_file
*m
, void *v
)
46 struct obd_device
*dev
= m
->private;
47 struct client_obd
*cli
= &dev
->u
.cli
;
50 client_obd_list_lock(&cli
->cl_loi_list_lock
);
51 rc
= seq_printf(m
, "%u\n", cli
->cl_max_rpcs_in_flight
);
52 client_obd_list_unlock(&cli
->cl_loi_list_lock
);
56 static ssize_t
mdc_max_rpcs_in_flight_seq_write(struct file
*file
,
61 struct obd_device
*dev
= ((struct seq_file
*)file
->private_data
)->private;
62 struct client_obd
*cli
= &dev
->u
.cli
;
65 rc
= lprocfs_write_helper(buffer
, count
, &val
);
69 if (val
< 1 || val
> MDC_MAX_RIF_MAX
)
72 client_obd_list_lock(&cli
->cl_loi_list_lock
);
73 cli
->cl_max_rpcs_in_flight
= val
;
74 client_obd_list_unlock(&cli
->cl_loi_list_lock
);
78 LPROC_SEQ_FOPS(mdc_max_rpcs_in_flight
);
80 static int mdc_kuc_open(struct inode
*inode
, struct file
*file
)
82 return single_open(file
, NULL
, PDE_DATA(inode
));
85 /* temporary for testing */
86 static ssize_t
mdc_kuc_write(struct file
*file
, const char *buffer
,
87 size_t count
, loff_t
*off
)
89 struct obd_device
*obd
= ((struct seq_file
*)file
->private_data
)->private;
91 struct hsm_action_list
*hal
;
92 struct hsm_action_item
*hai
;
97 rc
= lprocfs_write_helper(buffer
, count
, &fd
);
103 CWARN("message to fd %d\n", fd
);
105 len
= sizeof(*lh
) + sizeof(*hal
) + MTI_NAME_MAXLEN
+
106 /* for mockup below */ 2 * cfs_size_round(sizeof(*hai
));
110 lh
->kuc_magic
= KUC_MAGIC
;
111 lh
->kuc_transport
= KUC_TRANSPORT_HSM
;
112 lh
->kuc_msgtype
= HMT_ACTION_LIST
;
113 lh
->kuc_msglen
= len
;
115 hal
= (struct hsm_action_list
*)(lh
+ 1);
116 hal
->hal_version
= HAL_VERSION
;
117 hal
->hal_archive_id
= 1;
119 obd_uuid2fsname(hal
->hal_fsname
, obd
->obd_name
, MTI_NAME_MAXLEN
);
121 /* mock up an action list */
124 hai
->hai_action
= HSMA_ARCHIVE
;
125 hai
->hai_fid
.f_oid
= 5;
126 hai
->hai_len
= sizeof(*hai
);
128 hai
->hai_action
= HSMA_RESTORE
;
129 hai
->hai_fid
.f_oid
= 10;
130 hai
->hai_len
= sizeof(*hai
);
132 /* This works for either broadcast or unicast to a single fd */
134 rc
= libcfs_kkuc_group_put(KUC_GRP_HSM
, lh
);
136 struct file
*fp
= fget(fd
);
138 rc
= libcfs_kkuc_msg_put(fp
, lh
);
147 struct file_operations mdc_kuc_fops
= {
148 .open
= mdc_kuc_open
,
149 .write
= mdc_kuc_write
,
150 .release
= single_release
,
153 LPROC_SEQ_FOPS_WR_ONLY(mdc
, ping
);
155 LPROC_SEQ_FOPS_RO_TYPE(mdc
, uuid
);
156 LPROC_SEQ_FOPS_RO_TYPE(mdc
, connect_flags
);
157 LPROC_SEQ_FOPS_RO_TYPE(mdc
, blksize
);
158 LPROC_SEQ_FOPS_RO_TYPE(mdc
, kbytestotal
);
159 LPROC_SEQ_FOPS_RO_TYPE(mdc
, kbytesfree
);
160 LPROC_SEQ_FOPS_RO_TYPE(mdc
, kbytesavail
);
161 LPROC_SEQ_FOPS_RO_TYPE(mdc
, filestotal
);
162 LPROC_SEQ_FOPS_RO_TYPE(mdc
, filesfree
);
163 LPROC_SEQ_FOPS_RO_TYPE(mdc
, server_uuid
);
164 LPROC_SEQ_FOPS_RO_TYPE(mdc
, conn_uuid
);
165 LPROC_SEQ_FOPS_RO_TYPE(mdc
, timeouts
);
166 LPROC_SEQ_FOPS_RO_TYPE(mdc
, state
);
168 static int mdc_obd_max_pages_per_rpc_seq_show(struct seq_file
*m
, void *v
)
170 return lprocfs_obd_rd_max_pages_per_rpc(m
, m
->private);
172 LPROC_SEQ_FOPS_RO(mdc_obd_max_pages_per_rpc
);
174 LPROC_SEQ_FOPS_RW_TYPE(mdc
, import
);
175 LPROC_SEQ_FOPS_RW_TYPE(mdc
, pinger_recov
);
177 static struct lprocfs_vars lprocfs_mdc_obd_vars
[] = {
178 { "uuid", &mdc_uuid_fops
, 0, 0 },
179 { "ping", &mdc_ping_fops
, 0, 0222 },
180 { "connect_flags", &mdc_connect_flags_fops
, 0, 0 },
181 { "blocksize", &mdc_blksize_fops
, 0, 0 },
182 { "kbytestotal", &mdc_kbytestotal_fops
, 0, 0 },
183 { "kbytesfree", &mdc_kbytesfree_fops
, 0, 0 },
184 { "kbytesavail", &mdc_kbytesavail_fops
, 0, 0 },
185 { "filestotal", &mdc_filestotal_fops
, 0, 0 },
186 { "filesfree", &mdc_filesfree_fops
, 0, 0 },
187 /*{ "filegroups", lprocfs_rd_filegroups, 0, 0 },*/
188 { "mds_server_uuid", &mdc_server_uuid_fops
, 0, 0 },
189 { "mds_conn_uuid", &mdc_conn_uuid_fops
, 0, 0 },
191 * FIXME: below proc entry is provided, but not in used, instead
192 * sbi->sb_md_brw_size is used, the per obd variable should be used
193 * when CMD is enabled, and dir pages are managed in MDC layer.
194 * Remember to enable proc write function.
196 { "max_pages_per_rpc", &mdc_obd_max_pages_per_rpc_fops
, 0, 0 },
197 { "max_rpcs_in_flight", &mdc_max_rpcs_in_flight_fops
, 0, 0 },
198 { "timeouts", &mdc_timeouts_fops
, 0, 0 },
199 { "import", &mdc_import_fops
, 0 },
200 { "state", &mdc_state_fops
, 0, 0 },
201 { "hsm_nl", &mdc_kuc_fops
, 0, 0200 },
202 { "pinger_recov", &mdc_pinger_recov_fops
, 0, 0 },
206 LPROC_SEQ_FOPS_RO_TYPE(mdc
, numrefs
);
208 static struct lprocfs_vars lprocfs_mdc_module_vars
[] = {
209 { "num_refs", &mdc_numrefs_fops
, 0, 0 },
213 void lprocfs_mdc_init_vars(struct lprocfs_static_vars
*lvars
)
215 lvars
->module_vars
= lprocfs_mdc_module_vars
;
216 lvars
->obd_vars
= lprocfs_mdc_obd_vars
;