1 /*
2  * GPL HEADER START
3  *
4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 only,
8  * as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * General Public License version 2 for more details (a copy is included
14  * in the LICENSE file that accompanied this code).
15  *
16  * You should have received a copy of the GNU General Public License
17  * version 2 along with this program; If not, see
18  * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
19  *
20  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21  * CA 95054 USA or visit www.sun.com if you need additional information or
22  * have any questions.
23  *
24  * GPL HEADER END
25  */
26 /*
27  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28  * Use is subject to license terms.
29  *
30  * Copyright (c) 2012, Intel Corporation.
31  */
32 /*
33  * This file is part of Lustre, http://www.lustre.org/
34  * Lustre is a trademark of Sun Microsystems, Inc.
35  */
36 
37 #ifndef __SELFTEST_RPC_H__
38 #define __SELFTEST_RPC_H__
39 
40 #include "../../include/linux/lnet/lnetst.h"
41 
42 /*
43  * LST wired structures
44  *
45  * XXX: *REPLY == *REQST + 1
46  */
47 typedef enum {
48 	SRPC_MSG_MKSN_REQST     = 0,
49 	SRPC_MSG_MKSN_REPLY     = 1,
50 	SRPC_MSG_RMSN_REQST     = 2,
51 	SRPC_MSG_RMSN_REPLY     = 3,
52 	SRPC_MSG_BATCH_REQST    = 4,
53 	SRPC_MSG_BATCH_REPLY    = 5,
54 	SRPC_MSG_STAT_REQST     = 6,
55 	SRPC_MSG_STAT_REPLY     = 7,
56 	SRPC_MSG_TEST_REQST     = 8,
57 	SRPC_MSG_TEST_REPLY     = 9,
58 	SRPC_MSG_DEBUG_REQST    = 10,
59 	SRPC_MSG_DEBUG_REPLY    = 11,
60 	SRPC_MSG_BRW_REQST      = 12,
61 	SRPC_MSG_BRW_REPLY      = 13,
62 	SRPC_MSG_PING_REQST     = 14,
63 	SRPC_MSG_PING_REPLY     = 15,
64 	SRPC_MSG_JOIN_REQST     = 16,
65 	SRPC_MSG_JOIN_REPLY     = 17,
66 } srpc_msg_type_t;
67 
68 /* CAVEAT EMPTOR:
69  * All srpc_*_reqst_t's 1st field must be matchbits of reply buffer,
70  * and 2nd field matchbits of bulk buffer if any.
71  *
72  * All srpc_*_reply_t's 1st field must be a __u32 status, and 2nd field
73  * session id if needed.
74  */
75 typedef struct {
76 	__u64			rpyid;		/* reply buffer matchbits */
77 	__u64			bulkid;		/* bulk buffer matchbits */
78 } WIRE_ATTR srpc_generic_reqst_t;
79 
80 typedef struct {
81 	__u32                   status;
82 	lst_sid_t               sid;
83 } WIRE_ATTR srpc_generic_reply_t;
84 
85 /* FRAMEWORK RPCs */
86 typedef struct {
87 	__u64                   mksn_rpyid;     /* reply buffer matchbits */
88 	lst_sid_t               mksn_sid;	/* session id */
89 	__u32			mksn_force;     /* use brute force */
90 	char			mksn_name[LST_NAME_SIZE];
91 } WIRE_ATTR srpc_mksn_reqst_t; /* make session request */
92 
93 typedef struct {
94 	__u32                   mksn_status;    /* session status */
95 	lst_sid_t               mksn_sid;       /* session id */
96 	__u32                   mksn_timeout;   /* session timeout */
97 	char                    mksn_name[LST_NAME_SIZE];
98 } WIRE_ATTR srpc_mksn_reply_t; /* make session reply */
99 
100 typedef struct {
101 	__u64                   rmsn_rpyid;     /* reply buffer matchbits */
102 	lst_sid_t               rmsn_sid;       /* session id */
103 } WIRE_ATTR srpc_rmsn_reqst_t; /* remove session request */
104 
105 typedef struct {
106 	__u32                   rmsn_status;
107 	lst_sid_t               rmsn_sid;       /* session id */
108 } WIRE_ATTR srpc_rmsn_reply_t; /* remove session reply */
109 
110 typedef struct {
111 	__u64                   join_rpyid;     /* reply buffer matchbits */
112 	lst_sid_t               join_sid;       /* session id to join */
113 	char                    join_group[LST_NAME_SIZE]; /* group name */
114 } WIRE_ATTR srpc_join_reqst_t;
115 
116 typedef struct {
117 	__u32                   join_status;    /* returned status */
118 	lst_sid_t               join_sid;       /* session id */
119 	__u32			join_timeout;   /* # seconds' inactivity to
120 						 * expire */
121 	char                    join_session[LST_NAME_SIZE]; /* session name */
122 } WIRE_ATTR srpc_join_reply_t;
123 
124 typedef struct {
125 	__u64                   dbg_rpyid;      /* reply buffer matchbits */
126 	lst_sid_t               dbg_sid;        /* session id */
127 	__u32                   dbg_flags;      /* bitmap of debug */
128 } WIRE_ATTR srpc_debug_reqst_t;
129 
130 typedef struct {
131 	__u32                   dbg_status;     /* returned code */
132 	lst_sid_t               dbg_sid;        /* session id */
133 	__u32                   dbg_timeout;    /* session timeout */
134 	__u32                   dbg_nbatch;     /* # of batches in the node */
135 	char                    dbg_name[LST_NAME_SIZE]; /* session name */
136 } WIRE_ATTR srpc_debug_reply_t;
137 
138 #define SRPC_BATCH_OPC_RUN      1
139 #define SRPC_BATCH_OPC_STOP     2
140 #define SRPC_BATCH_OPC_QUERY    3
141 
142 typedef struct {
143 	__u64              bar_rpyid;      /* reply buffer matchbits */
144 	lst_sid_t          bar_sid;        /* session id */
145 	lst_bid_t          bar_bid;        /* batch id */
146 	__u32              bar_opc;        /* create/start/stop batch */
147 	__u32              bar_testidx;    /* index of test */
148 	__u32              bar_arg;        /* parameters */
149 } WIRE_ATTR srpc_batch_reqst_t;
150 
151 typedef struct {
152 	__u32              bar_status;     /* status of request */
153 	lst_sid_t          bar_sid;        /* session id */
154 	__u32              bar_active;     /* # of active tests in batch/test */
155 	__u32              bar_time;       /* remained time */
156 } WIRE_ATTR srpc_batch_reply_t;
157 
158 typedef struct {
159 	__u64              str_rpyid;      /* reply buffer matchbits */
160 	lst_sid_t          str_sid;        /* session id */
161 	__u32              str_type;       /* type of stat */
162 } WIRE_ATTR srpc_stat_reqst_t;
163 
164 typedef struct {
165 	__u32              str_status;
166 	lst_sid_t          str_sid;
167 	sfw_counters_t     str_fw;
168 	srpc_counters_t    str_rpc;
169 	lnet_counters_t    str_lnet;
170 } WIRE_ATTR srpc_stat_reply_t;
171 
172 typedef struct {
173 	__u32              blk_opc;        /* bulk operation code */
174 	__u32              blk_npg;        /* # of pages */
175 	__u32              blk_flags;      /* reserved flags */
176 } WIRE_ATTR test_bulk_req_t;
177 
178 typedef struct {
179 	__u16              blk_opc;        /* bulk operation code */
180 	__u16              blk_flags;      /* data check flags */
181 	__u32              blk_len;        /* data length */
182 	__u32              blk_offset;     /* reserved: offset */
183 } WIRE_ATTR test_bulk_req_v1_t;
184 
185 typedef struct {
186 	__u32              png_size;       /* size of ping message */
187 	__u32              png_flags;      /* reserved flags */
188 } WIRE_ATTR test_ping_req_t;
189 
190 typedef struct {
191 	__u64			tsr_rpyid;      /* reply buffer matchbits */
192 	__u64			tsr_bulkid;     /* bulk buffer matchbits */
193 	lst_sid_t		tsr_sid;	/* session id */
194 	lst_bid_t		tsr_bid;	/* batch id */
195 	__u32			tsr_service;    /* test type: bulk|ping|... */
196 	__u32			tsr_loop;       /* test client loop count or
197 						 * # server buffers needed */
198 	__u32			tsr_concur;     /* concurrency of test */
199 	__u8			tsr_is_client;  /* is test client or not */
200 	__u8			tsr_stop_onerr; /* stop on error */
201 	__u32			tsr_ndest;      /* # of dest nodes */
202 
203 	union {
204 		test_ping_req_t		ping;
205 		test_bulk_req_t		bulk_v0;
206 		test_bulk_req_v1_t	bulk_v1;
207 	}		tsr_u;
208 } WIRE_ATTR srpc_test_reqst_t;
209 
210 typedef struct {
211 	__u32			tsr_status;     /* returned code */
212 	lst_sid_t		tsr_sid;
213 } WIRE_ATTR srpc_test_reply_t;
214 
215 /* TEST RPCs */
216 typedef struct {
217 	__u64		   pnr_rpyid;
218 	__u32		   pnr_magic;
219 	__u32		   pnr_seq;
220 	__u64		   pnr_time_sec;
221 	__u64		   pnr_time_usec;
222 } WIRE_ATTR srpc_ping_reqst_t;
223 
224 typedef struct {
225 	__u32		   pnr_status;
226 	__u32		   pnr_magic;
227 	__u32		   pnr_seq;
228 } WIRE_ATTR srpc_ping_reply_t;
229 
230 typedef struct {
231 	__u64		   brw_rpyid;      /* reply buffer matchbits */
232 	__u64		   brw_bulkid;     /* bulk buffer matchbits */
233 	__u32		   brw_rw;         /* read or write */
234 	__u32		   brw_len;        /* bulk data len */
235 	__u32		   brw_flags;      /* bulk data patterns */
236 } WIRE_ATTR srpc_brw_reqst_t; /* bulk r/w request */
237 
238 typedef struct {
239 	__u32		   brw_status;
240 } WIRE_ATTR srpc_brw_reply_t; /* bulk r/w reply */
241 
242 #define SRPC_MSG_MAGIC   0xeeb0f00d
243 #define SRPC_MSG_VERSION 1
244 
245 typedef struct srpc_msg {
246 	__u32	msg_magic;     /* magic number */
247 	__u32	msg_version;   /* message version number */
248 	__u32	msg_type;      /* type of message body: srpc_msg_type_t */
249 	__u32	msg_reserved0;
250 	__u32	msg_reserved1;
251 	__u32	msg_ses_feats; /* test session features */
252 	union {
253 		srpc_generic_reqst_t reqst;
254 		srpc_generic_reply_t reply;
255 
256 		srpc_mksn_reqst_t    mksn_reqst;
257 		srpc_mksn_reply_t    mksn_reply;
258 		srpc_rmsn_reqst_t    rmsn_reqst;
259 		srpc_rmsn_reply_t    rmsn_reply;
260 		srpc_debug_reqst_t   dbg_reqst;
261 		srpc_debug_reply_t   dbg_reply;
262 		srpc_batch_reqst_t   bat_reqst;
263 		srpc_batch_reply_t   bat_reply;
264 		srpc_stat_reqst_t    stat_reqst;
265 		srpc_stat_reply_t    stat_reply;
266 		srpc_test_reqst_t    tes_reqst;
267 		srpc_test_reply_t    tes_reply;
268 		srpc_join_reqst_t    join_reqst;
269 		srpc_join_reply_t    join_reply;
270 
271 		srpc_ping_reqst_t    ping_reqst;
272 		srpc_ping_reply_t    ping_reply;
273 		srpc_brw_reqst_t     brw_reqst;
274 		srpc_brw_reply_t     brw_reply;
275 	}     msg_body;
276 } WIRE_ATTR srpc_msg_t;
277 
278 static inline void
srpc_unpack_msg_hdr(srpc_msg_t * msg)279 srpc_unpack_msg_hdr(srpc_msg_t *msg)
280 {
281 	if (msg->msg_magic == SRPC_MSG_MAGIC)
282 		return; /* no flipping needed */
283 
284 	/* We do not swap the magic number here as it is needed to
285 	   determine whether the body needs to be swapped. */
286 	/* __swab32s(&msg->msg_magic); */
287 	__swab32s(&msg->msg_type);
288 	__swab32s(&msg->msg_version);
289 	__swab32s(&msg->msg_ses_feats);
290 	__swab32s(&msg->msg_reserved0);
291 	__swab32s(&msg->msg_reserved1);
292 }
293 
294 #endif /* __SELFTEST_RPC_H__ */
295