1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
5 * Author: Isaac Huang <isaac@clusterfs.com>
9 #include <libcfs/kp30.h>
13 extern int brw_inject_errors;
16 brw_client_fini (sfw_test_instance_t *tsi)
21 LASSERT (tsi->tsi_is_client);
23 list_for_each_entry (tsu, &tsi->tsi_units, tsu_list) {
24 bulk = tsu->tsu_private;
25 if (bulk == NULL) continue;
28 tsu->tsu_private = NULL;
33 brw_client_init (sfw_test_instance_t *tsi)
35 test_bulk_req_t *breq = &tsi->tsi_u.bulk;
36 int flags = breq->blk_flags;
37 int npg = breq->blk_npg;
41 LASSERT (tsi->tsi_is_client);
43 if (npg > LNET_MAX_IOV || npg <= 0)
46 if (breq->blk_opc != LST_BRW_READ && breq->blk_opc != LST_BRW_WRITE)
49 if (flags != LST_BRW_CHECK_NONE &&
50 flags != LST_BRW_CHECK_FULL && flags != LST_BRW_CHECK_SIMPLE)
53 list_for_each_entry (tsu, &tsi->tsi_units, tsu_list) {
54 bulk = srpc_alloc_bulk(npg, breq->blk_opc == LST_BRW_READ);
60 tsu->tsu_private = bulk;
66 #define BRW_POISON 0xbeefbeefbeefbeefULL
67 #define BRW_MAGIC 0xeeb0eeb1eeb2eeb3ULL
68 #define BRW_MSIZE sizeof(__u64)
71 brw_inject_one_error (void)
75 if (brw_inject_errors <= 0) return 0;
78 gettimeofday(&tv, NULL);
83 if ((tv.tv_usec & 1) == 0) return 0;
85 return brw_inject_errors--;
89 brw_fill_page (cfs_page_t *pg, int pattern, __u64 magic)
91 char *addr = cfs_page_address(pg);
94 LASSERT (addr != NULL);
96 if (pattern == LST_BRW_CHECK_NONE) return;
98 if (magic == BRW_MAGIC)
99 magic += brw_inject_one_error();
101 if (pattern == LST_BRW_CHECK_SIMPLE) {
102 memcpy(addr, &magic, BRW_MSIZE);
103 addr += CFS_PAGE_SIZE - BRW_MSIZE;
104 memcpy(addr, &magic, BRW_MSIZE);
108 if (pattern == LST_BRW_CHECK_FULL) {
109 for (i = 0; i < CFS_PAGE_SIZE / BRW_MSIZE; i++)
110 memcpy(addr + i * BRW_MSIZE, &magic, BRW_MSIZE);
119 brw_check_page (cfs_page_t *pg, int pattern, __u64 magic)
121 char *addr = cfs_page_address(pg);
125 LASSERT (addr != NULL);
127 if (pattern == LST_BRW_CHECK_NONE)
130 if (pattern == LST_BRW_CHECK_SIMPLE) {
131 data = *((__u64 *) addr);
132 if (data != magic) goto bad_data;
134 addr += CFS_PAGE_SIZE - BRW_MSIZE;
135 data = *((__u64 *) addr);
136 if (data != magic) goto bad_data;
141 if (pattern == LST_BRW_CHECK_FULL) {
142 for (i = 0; i < CFS_PAGE_SIZE / BRW_MSIZE; i++) {
143 data = *(((__u64 *) addr) + i);
144 if (data != magic) goto bad_data;
153 CERROR ("Bad data in page %p: "LPU64", "LPU64" expected\n",
159 brw_fill_bulk (srpc_bulk_t *bk, int pattern, __u64 magic)
164 for (i = 0; i < bk->bk_niov; i++) {
166 pg = bk->bk_iovs[i].kiov_page;
168 LASSERT (bk->bk_pages != NULL);
169 pg = bk->bk_pages[i];
171 brw_fill_page(pg, pattern, magic);
176 brw_check_bulk (srpc_bulk_t *bk, int pattern, __u64 magic)
181 for (i = 0; i < bk->bk_niov; i++) {
183 pg = bk->bk_iovs[i].kiov_page;
185 LASSERT (bk->bk_pages != NULL);
186 pg = bk->bk_pages[i];
188 if (brw_check_page(pg, pattern, magic) != 0) {
189 CERROR ("Bulk page %p (%d/%d) is corrupted!\n",
199 brw_client_prep_rpc (sfw_test_unit_t *tsu,
200 lnet_process_id_t dest, srpc_client_rpc_t **rpcpp)
202 srpc_bulk_t *bulk = tsu->tsu_private;
203 sfw_test_instance_t *tsi = tsu->tsu_instance;
204 test_bulk_req_t *breq = &tsi->tsi_u.bulk;
205 int npg = breq->blk_npg;
206 int flags = breq->blk_flags;
207 srpc_client_rpc_t *rpc;
208 srpc_brw_reqst_t *req;
211 LASSERT (bulk != NULL);
212 LASSERT (bulk->bk_niov == npg);
214 rc = sfw_create_test_rpc(tsu, dest, npg, npg * CFS_PAGE_SIZE, &rpc);
215 if (rc != 0) return rc;
217 memcpy(&rpc->crpc_bulk, bulk, offsetof(srpc_bulk_t, bk_iovs[npg]));
218 if (breq->blk_opc == LST_BRW_WRITE)
219 brw_fill_bulk(&rpc->crpc_bulk, flags, BRW_MAGIC);
221 brw_fill_bulk(&rpc->crpc_bulk, flags, BRW_POISON);
223 req = &rpc->crpc_reqstmsg.msg_body.brw_reqst;
224 req->brw_flags = flags;
225 req->brw_rw = breq->blk_opc;
226 req->brw_len = npg * CFS_PAGE_SIZE;
233 brw_client_done_rpc (sfw_test_unit_t *tsu, srpc_client_rpc_t *rpc)
235 __u64 magic = BRW_MAGIC;
236 sfw_test_instance_t *tsi = tsu->tsu_instance;
237 sfw_session_t *sn = tsi->tsi_batch->bat_session;
238 srpc_msg_t *msg = &rpc->crpc_replymsg;
239 srpc_brw_reply_t *reply = &msg->msg_body.brw_reply;
240 srpc_brw_reqst_t *reqst = &rpc->crpc_reqstmsg.msg_body.brw_reqst;
242 LASSERT (sn != NULL);
244 if (rpc->crpc_status != 0) {
245 CERROR ("BRW RPC to %s failed with %d\n",
246 libcfs_id2str(rpc->crpc_dest), rpc->crpc_status);
247 if (!tsi->tsi_stopping) /* rpc could have been aborted */
248 atomic_inc(&sn->sn_brw_errors);
252 if (msg->msg_magic != SRPC_MSG_MAGIC) {
254 __swab32s(&reply->brw_status);
257 CDEBUG (reply->brw_status ? D_WARNING : D_NET,
258 "BRW RPC to %s finished with brw_status: %d\n",
259 libcfs_id2str(rpc->crpc_dest), reply->brw_status);
261 if (reply->brw_status != 0) {
262 atomic_inc(&sn->sn_brw_errors);
263 rpc->crpc_status = -reply->brw_status;
267 if (reqst->brw_rw == LST_BRW_WRITE) goto out;
269 if (brw_check_bulk(&rpc->crpc_bulk, reqst->brw_flags, magic) != 0) {
270 CERROR ("Bulk data from %s is corrupted!\n",
271 libcfs_id2str(rpc->crpc_dest));
272 atomic_inc(&sn->sn_brw_errors);
273 rpc->crpc_status = -EBADMSG;
278 rpc->crpc_bulk.bk_pages = NULL;
284 brw_server_rpc_done (srpc_server_rpc_t *rpc)
286 srpc_bulk_t *blk = rpc->srpc_bulk;
288 if (blk == NULL) return;
290 if (rpc->srpc_status != 0)
291 CERROR ("Bulk transfer %s %s has failed: %d\n",
292 blk->bk_sink ? "from" : "to",
293 libcfs_id2str(rpc->srpc_peer), rpc->srpc_status);
295 CDEBUG (D_NET, "Transfered %d pages bulk data %s %s\n",
296 blk->bk_niov, blk->bk_sink ? "from" : "to",
297 libcfs_id2str(rpc->srpc_peer));
303 brw_bulk_ready (srpc_server_rpc_t *rpc, int status)
305 __u64 magic = BRW_MAGIC;
306 srpc_brw_reply_t *reply = &rpc->srpc_replymsg.msg_body.brw_reply;
307 srpc_brw_reqst_t *reqst;
308 srpc_msg_t *reqstmsg;
310 LASSERT (rpc->srpc_bulk != NULL);
311 LASSERT (rpc->srpc_reqstbuf != NULL);
313 reqstmsg = &rpc->srpc_reqstbuf->buf_msg;
314 reqst = &reqstmsg->msg_body.brw_reqst;
317 CERROR ("BRW bulk %s failed for RPC from %s: %d\n",
318 reqst->brw_rw == LST_BRW_READ ? "READ" : "WRITE",
319 libcfs_id2str(rpc->srpc_peer), status);
323 if (reqst->brw_rw == LST_BRW_READ)
326 if (reqstmsg->msg_magic != SRPC_MSG_MAGIC)
329 if (brw_check_bulk(rpc->srpc_bulk, reqst->brw_flags, magic) != 0) {
330 CERROR ("Bulk data from %s is corrupted!\n",
331 libcfs_id2str(rpc->srpc_peer));
332 reply->brw_status = EBADMSG;
339 brw_server_handle (srpc_server_rpc_t *rpc)
341 srpc_service_t *sv = rpc->srpc_service;
342 srpc_msg_t *replymsg = &rpc->srpc_replymsg;
343 srpc_msg_t *reqstmsg = &rpc->srpc_reqstbuf->buf_msg;
344 srpc_brw_reply_t *reply = &replymsg->msg_body.brw_reply;
345 srpc_brw_reqst_t *reqst = &reqstmsg->msg_body.brw_reqst;
348 LASSERT (sv->sv_id == SRPC_SERVICE_BRW);
350 if (reqstmsg->msg_magic != SRPC_MSG_MAGIC) {
351 LASSERT (reqstmsg->msg_magic == __swab32(SRPC_MSG_MAGIC));
353 __swab32s(&reqstmsg->msg_type);
354 __swab32s(&reqst->brw_rw);
355 __swab32s(&reqst->brw_len);
356 __swab32s(&reqst->brw_flags);
357 __swab64s(&reqst->brw_rpyid);
358 __swab64s(&reqst->brw_bulkid);
360 LASSERT (reqstmsg->msg_type == srpc_service2request(sv->sv_id));
362 rpc->srpc_done = brw_server_rpc_done;
364 if ((reqst->brw_rw != LST_BRW_READ && reqst->brw_rw != LST_BRW_WRITE) ||
365 reqst->brw_len == 0 || (reqst->brw_len & ~CFS_PAGE_MASK) != 0 ||
366 reqst->brw_len / CFS_PAGE_SIZE > LNET_MAX_IOV ||
367 (reqst->brw_flags != LST_BRW_CHECK_NONE &&
368 reqst->brw_flags != LST_BRW_CHECK_FULL &&
369 reqst->brw_flags != LST_BRW_CHECK_SIMPLE)) {
370 reply->brw_status = EINVAL;
374 reply->brw_status = 0;
375 rc = sfw_alloc_pages(rpc, reqst->brw_len / CFS_PAGE_SIZE,
376 reqst->brw_rw == LST_BRW_WRITE);
377 if (rc != 0) return rc;
379 if (reqst->brw_rw == LST_BRW_READ)
380 brw_fill_bulk(rpc->srpc_bulk, reqst->brw_flags, BRW_MAGIC);
382 brw_fill_bulk(rpc->srpc_bulk, reqst->brw_flags, BRW_POISON);
387 sfw_test_client_ops_t brw_test_client =
389 .tso_init = brw_client_init,
390 .tso_fini = brw_client_fini,
391 .tso_prep_rpc = brw_client_prep_rpc,
392 .tso_done_rpc = brw_client_done_rpc,
395 srpc_service_t brw_test_service =
397 .sv_name = "brw test",
398 .sv_handler = brw_server_handle,
399 .sv_bulk_ready = brw_bulk_ready,
400 .sv_id = SRPC_SERVICE_BRW,