2 * This file is part of Portals, http://www.sf.net/projects/lustre/
4 * Portals is free software; you can redistribute it and/or
5 * modify it under the terms of version 2 of the GNU General Public
6 * License as published by the Free Software Foundation.
8 * Portals is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * header for lnet ioctl
18 #include <uapi/linux/lnet/lnet-types.h>
20 /** \addtogroup lnet_fault_simulation
35 #define LNET_ACK_BIT (1 << 0)
36 #define LNET_PUT_BIT (1 << 1)
37 #define LNET_GET_BIT (1 << 2)
38 #define LNET_REPLY_BIT (1 << 3)
40 /** ioctl parameter for LNet fault simulation */
41 struct lnet_fault_attr {
43 * source NID of drop rule
44 * LNET_NID_ANY is wildcard for all sources
45 * 255.255.255.255@net is wildcard for all addresses from @net
48 /** destination NID of drop rule, see \a dr_src for details */
51 * Portal mask to drop, -1 means all portals, for example:
52 * fa_ptl_mask = (1 << _LDLM_CB_REQUEST_PORTAL ) |
53 * (1 << LDLM_CANCEL_REQUEST_PORTAL)
55 * If it is non-zero then only PUT and GET will be filtered, otherwise
56 * there is no portal filter, all matched messages will be checked.
60 * message types to drop, for example:
61 * dra_type = LNET_DROP_ACK_BIT | LNET_DROP_PUT_BIT
63 * If it is non-zero then only specified message types are filtered,
64 * otherwise all message types will be checked.
68 /** message drop simulation */
70 /** drop rate of this rule */
73 * time interval of message drop, it is exclusive
78 /** message latency simulation */
82 * time interval of message delay, it is exclusive
86 /** latency to delay */
93 /** fault simluation stats */
94 struct lnet_fault_stat {
95 /** total # matched messages */
97 /** # dropped LNET_MSG_PUT by this rule */
99 /** # dropped LNET_MSG_ACK by this rule */
101 /** # dropped LNET_MSG_GET by this rule */
103 /** # dropped LNET_MSG_REPLY by this rule */
107 /** total # dropped messages */
111 /** total # delayed messages */
118 /** @} lnet_fault_simulation */
120 #define LNET_DEV_ID 0
121 #define LNET_DEV_PATH "/dev/lnet"
122 #define LNET_DEV_MAJOR 10
123 #define LNET_DEV_MINOR 240
125 #define OBD_DEV_NAME "obd"
126 #define OBD_DEV_PATH "/dev/" OBD_DEV_NAME
127 #define OBD_DEV_MAJOR 10
128 #define OBD_DEV_MINOR 241
129 #define SMFS_DEV_ID 2
130 #define SMFS_DEV_PATH "/dev/snapdev"
131 #define SMFS_DEV_MAJOR 10
132 #define SMFS_DEV_MINOR 242