-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
+// SPDX-License-Identifier: GPL-2.0
+
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2017, Intel Corporation.
*/
+
/*
* This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * lnet/selftest/brw_test.c
*
* Author: Isaac Huang <isaac@clusterfs.com>
*/
#include "selftest.h"
+static int brw_srv_workitems = SFW_TEST_WI_MAX;
+module_param(brw_srv_workitems, int, 0644);
+MODULE_PARM_DESC(brw_srv_workitems, "# BRW server workitems");
-extern int brw_inject_errors;
+static int brw_inject_errors;
+module_param(brw_inject_errors, int, 0644);
+MODULE_PARM_DESC(brw_inject_errors, "# data errors to inject randomly, zero by default");
+
+#define BRW_POISON 0xbeefbeefbeefbeefULL
+#define BRW_MAGIC 0xeeb0eeb1eeb2eeb3ULL
+#define BRW_MSIZE sizeof(__u64)
static void
-brw_client_fini (sfw_test_instance_t *tsi)
+brw_client_fini(struct sfw_test_instance *tsi)
{
- srpc_bulk_t *bulk;
- sfw_test_unit_t *tsu;
+ struct srpc_bulk *bulk;
+ struct sfw_test_unit *tsu;
- LASSERT (tsi->tsi_is_client);
+ LASSERT(tsi->tsi_is_client);
- cfs_list_for_each_entry_typed (tsu, &tsi->tsi_units,
- sfw_test_unit_t, tsu_list) {
- bulk = tsu->tsu_private;
- if (bulk == NULL) continue;
+ list_for_each_entry(tsu, &tsi->tsi_units, tsu_list) {
+ bulk = tsu->tsu_private;
+ if (bulk == NULL)
+ continue;
- srpc_free_bulk(bulk);
- tsu->tsu_private = NULL;
- }
+ srpc_free_bulk(bulk);
+ tsu->tsu_private = NULL;
+ }
}
-int
-brw_client_init (sfw_test_instance_t *tsi)
+static int
+brw_client_init(struct sfw_test_instance *tsi)
{
- test_bulk_req_t *breq = &tsi->tsi_u.bulk;
- int flags = breq->blk_flags;
- int npg = breq->blk_npg;
- srpc_bulk_t *bulk;
- sfw_test_unit_t *tsu;
-
- LASSERT (tsi->tsi_is_client);
-
- if (npg > LNET_MAX_IOV || npg <= 0)
- return -EINVAL;
-
- if (breq->blk_opc != LST_BRW_READ && breq->blk_opc != LST_BRW_WRITE)
- return -EINVAL;
-
- if (flags != LST_BRW_CHECK_NONE &&
- flags != LST_BRW_CHECK_FULL && flags != LST_BRW_CHECK_SIMPLE)
- return -EINVAL;
-
- cfs_list_for_each_entry_typed (tsu, &tsi->tsi_units,
- sfw_test_unit_t, tsu_list) {
- bulk = srpc_alloc_bulk(npg, breq->blk_opc == LST_BRW_READ);
- if (bulk == NULL) {
- brw_client_fini(tsi);
- return -ENOMEM;
- }
-
- tsu->tsu_private = bulk;
- }
-
- return 0;
+ struct sfw_session *sn = tsi->tsi_batch->bat_session;
+ int flags;
+ int off;
+ unsigned int len;
+ int opc;
+ struct srpc_bulk *bulk;
+ struct sfw_test_unit *tsu;
+
+ LASSERT(sn != NULL);
+ LASSERT(tsi->tsi_is_client);
+
+ if ((sn->sn_features & LST_FEAT_BULK_LEN) == 0) {
+ struct test_bulk_req *breq = &tsi->tsi_u.bulk_v0;
+
+ opc = breq->blk_opc;
+ flags = breq->blk_flags;
+ /* NB: this is not going to work for variable page size,
+ * but we have to keep it for compatibility */
+ len = breq->blk_npg * PAGE_SIZE;
+ off = 0;
+
+ } else {
+ struct test_bulk_req_v1 *breq = &tsi->tsi_u.bulk_v1;
+
+ /* I should never get this step if it's unknown feature
+ * because make_session will reject unknown feature */
+ LASSERT((sn->sn_features & ~LST_FEATS_MASK) == 0);
+
+ opc = breq->blk_opc;
+ flags = breq->blk_flags;
+ len = breq->blk_len;
+ off = breq->blk_offset & ~PAGE_MASK;
+ }
+
+ if (off % BRW_MSIZE != 0)
+ return -EINVAL;
+
+ if (len > LNET_MTU)
+ return -EINVAL;
+
+ if (opc != LST_BRW_READ && opc != LST_BRW_WRITE)
+ return -EINVAL;
+
+ if (flags != LST_BRW_CHECK_NONE &&
+ flags != LST_BRW_CHECK_FULL && flags != LST_BRW_CHECK_SIMPLE)
+ return -EINVAL;
+
+ list_for_each_entry(tsu, &tsi->tsi_units, tsu_list) {
+ bulk = srpc_alloc_bulk(lnet_cpt_of_nid(tsu->tsu_dest.nid, NULL),
+ len);
+ if (bulk == NULL) {
+ brw_client_fini(tsi);
+ return -ENOMEM;
+ }
+ srpc_init_bulk(bulk, off, len, opc == LST_BRW_READ);
+
+ tsu->tsu_private = bulk;
+ }
+
+ return 0;
}
#define BRW_POISON 0xbeefbeefbeefbeefULL
#define BRW_MAGIC 0xeeb0eeb1eeb2eeb3ULL
#define BRW_MSIZE sizeof(__u64)
-int
-brw_inject_one_error (void)
+static int brw_inject_one_error(void)
{
- struct timeval tv;
+ struct timespec64 ts;
- if (brw_inject_errors <= 0) return 0;
+ if (brw_inject_errors <= 0) return 0;
-#ifndef __KERNEL__
- gettimeofday(&tv, NULL);
-#else
- cfs_gettimeofday(&tv);
-#endif
+ ktime_get_ts64(&ts);
- if ((tv.tv_usec & 1) == 0) return 0;
+ if (((ts.tv_nsec / NSEC_PER_USEC) & 1) == 0)
+ return 0;
- return brw_inject_errors--;
+ return brw_inject_errors--;
}
-void
-brw_fill_page (cfs_page_t *pg, int pattern, __u64 magic)
+static void
+brw_fill_page(struct page *pg, int off, int len, int pattern, __u64 magic)
{
- char *addr = cfs_page_address(pg);
- int i;
-
- LASSERT (addr != NULL);
-
- if (pattern == LST_BRW_CHECK_NONE) return;
-
- if (magic == BRW_MAGIC)
- magic += brw_inject_one_error();
-
- if (pattern == LST_BRW_CHECK_SIMPLE) {
- memcpy(addr, &magic, BRW_MSIZE);
- addr += CFS_PAGE_SIZE - BRW_MSIZE;
- memcpy(addr, &magic, BRW_MSIZE);
- return;
- }
-
- if (pattern == LST_BRW_CHECK_FULL) {
- for (i = 0; i < CFS_PAGE_SIZE / BRW_MSIZE; i++)
- memcpy(addr + i * BRW_MSIZE, &magic, BRW_MSIZE);
- return;
- }
-
- LBUG ();
- return;
+ char *addr = page_address(pg) + off;
+ int i;
+
+ LASSERT(addr != NULL);
+ LASSERT(off % BRW_MSIZE == 0 && len % BRW_MSIZE == 0);
+
+ if (pattern == LST_BRW_CHECK_NONE)
+ return;
+
+ if (magic == BRW_MAGIC)
+ magic += brw_inject_one_error();
+
+ if (pattern == LST_BRW_CHECK_SIMPLE) {
+ memcpy(addr, &magic, BRW_MSIZE);
+ if (len > BRW_MSIZE) {
+ addr += len - BRW_MSIZE;
+ memcpy(addr, &magic, BRW_MSIZE);
+ }
+ return;
+ }
+
+ if (pattern == LST_BRW_CHECK_FULL) {
+ for (i = 0; i < len; i += BRW_MSIZE)
+ memcpy(addr + i, &magic, BRW_MSIZE);
+ return;
+ }
+ LBUG();
}
-int
-brw_check_page (cfs_page_t *pg, int pattern, __u64 magic)
+static int
+brw_check_page(struct page *pg, int off, int len, int pattern, __u64 magic)
{
- char *addr = cfs_page_address(pg);
- __u64 data = 0; /* make compiler happy */
- int i;
-
- LASSERT (addr != NULL);
-
- if (pattern == LST_BRW_CHECK_NONE)
- return 0;
-
- if (pattern == LST_BRW_CHECK_SIMPLE) {
- data = *((__u64 *) addr);
- if (data != magic) goto bad_data;
-
- addr += CFS_PAGE_SIZE - BRW_MSIZE;
- data = *((__u64 *) addr);
- if (data != magic) goto bad_data;
-
- return 0;
- }
-
- if (pattern == LST_BRW_CHECK_FULL) {
- for (i = 0; i < CFS_PAGE_SIZE / BRW_MSIZE; i++) {
- data = *(((__u64 *) addr) + i);
- if (data != magic) goto bad_data;
- }
-
- return 0;
- }
-
- LBUG ();
+ char *addr = page_address(pg) + off;
+ __u64 data = 0; /* make compiler happy */
+ int i;
+
+ LASSERT(addr != NULL);
+ LASSERT(off % BRW_MSIZE == 0 && len % BRW_MSIZE == 0);
+
+ if (pattern == LST_BRW_CHECK_NONE)
+ return 0;
+
+ if (pattern == LST_BRW_CHECK_SIMPLE) {
+ data = *((__u64 *) addr);
+ if (data != magic)
+ goto bad_data;
+
+ if (len > BRW_MSIZE) {
+ addr += len - BRW_MSIZE;
+ data = *((__u64 *) addr);
+ if (data != magic)
+ goto bad_data;
+ }
+ return 0;
+ }
+
+ if (pattern == LST_BRW_CHECK_FULL) {
+ for (i = 0; i < len; i += BRW_MSIZE) {
+ data = *(__u64 *)(addr + i);
+ if (data != magic)
+ goto bad_data;
+ }
+ return 0;
+ }
+
+ LBUG();
bad_data:
- CERROR ("Bad data in page %p: "LPX64", "LPX64" expected\n",
- pg, data, magic);
- return 1;
+ CERROR ("Bad data in page %p: %#llx, %#llx expected\n",
+ pg, data, magic);
+ return 1;
}
-void
-brw_fill_bulk (srpc_bulk_t *bk, int pattern, __u64 magic)
+static void
+brw_fill_bulk(struct srpc_bulk *bk, int pattern, __u64 magic)
{
- int i;
- cfs_page_t *pg;
-
- for (i = 0; i < bk->bk_niov; i++) {
-#ifdef __KERNEL__
- pg = bk->bk_iovs[i].kiov_page;
-#else
- LASSERT (bk->bk_pages != NULL);
- pg = bk->bk_pages[i];
-#endif
- brw_fill_page(pg, pattern, magic);
- }
+ int i;
+ struct page *pg;
+
+ for (i = 0; i < bk->bk_niov; i++) {
+ int off;
+ int len;
+
+ pg = bk->bk_iovs[i].bv_page;
+ off = bk->bk_iovs[i].bv_offset;
+ len = bk->bk_iovs[i].bv_len;
+ brw_fill_page(pg, off, len, pattern, magic);
+ }
}
-int
-brw_check_bulk (srpc_bulk_t *bk, int pattern, __u64 magic)
+static int
+brw_check_bulk(struct srpc_bulk *bk, int pattern, __u64 magic)
{
- int i;
- cfs_page_t *pg;
-
- for (i = 0; i < bk->bk_niov; i++) {
-#ifdef __KERNEL__
- pg = bk->bk_iovs[i].kiov_page;
-#else
- LASSERT (bk->bk_pages != NULL);
- pg = bk->bk_pages[i];
-#endif
- if (brw_check_page(pg, pattern, magic) != 0) {
- CERROR ("Bulk page %p (%d/%d) is corrupted!\n",
- pg, i, bk->bk_niov);
- return 1;
- }
- }
-
- return 0;
+ int i;
+ struct page *pg;
+
+ for (i = 0; i < bk->bk_niov; i++) {
+ int off;
+ int len;
+
+ pg = bk->bk_iovs[i].bv_page;
+ off = bk->bk_iovs[i].bv_offset;
+ len = bk->bk_iovs[i].bv_len;
+ if (brw_check_page(pg, off, len, pattern, magic) != 0) {
+ CERROR("Bulk page %p (%d/%d) is corrupted!\n",
+ pg, i, bk->bk_niov);
+ return 1;
+ }
+ }
+
+ return 0;
}
static int
-brw_client_prep_rpc (sfw_test_unit_t *tsu,
- lnet_process_id_t dest, srpc_client_rpc_t **rpcpp)
+brw_client_prep_rpc(struct sfw_test_unit *tsu, struct lnet_process_id dest,
+ struct srpc_client_rpc **rpcpp)
{
- srpc_bulk_t *bulk = tsu->tsu_private;
- sfw_test_instance_t *tsi = tsu->tsu_instance;
- test_bulk_req_t *breq = &tsi->tsi_u.bulk;
- int npg = breq->blk_npg;
- int flags = breq->blk_flags;
- srpc_client_rpc_t *rpc;
- srpc_brw_reqst_t *req;
- int rc;
-
- LASSERT (bulk != NULL);
- LASSERT (bulk->bk_niov == npg);
-
- rc = sfw_create_test_rpc(tsu, dest, npg, npg * CFS_PAGE_SIZE, &rpc);
- if (rc != 0) return rc;
-
- memcpy(&rpc->crpc_bulk, bulk, offsetof(srpc_bulk_t, bk_iovs[npg]));
- if (breq->blk_opc == LST_BRW_WRITE)
- brw_fill_bulk(&rpc->crpc_bulk, flags, BRW_MAGIC);
- else
- brw_fill_bulk(&rpc->crpc_bulk, flags, BRW_POISON);
-
- req = &rpc->crpc_reqstmsg.msg_body.brw_reqst;
- req->brw_flags = flags;
- req->brw_rw = breq->blk_opc;
- req->brw_len = npg * CFS_PAGE_SIZE;
-
- *rpcpp = rpc;
- return 0;
+ struct srpc_bulk *bulk = tsu->tsu_private;
+ struct sfw_test_instance *tsi = tsu->tsu_instance;
+ struct sfw_session *sn = tsi->tsi_batch->bat_session;
+ struct srpc_client_rpc *rpc;
+ struct srpc_brw_reqst *req;
+ int flags;
+ int npg;
+ int len;
+ int off;
+ int opc;
+ int rc;
+
+ LASSERT(sn != NULL);
+ LASSERT(bulk != NULL);
+
+ if ((sn->sn_features & LST_FEAT_BULK_LEN) == 0) {
+ struct test_bulk_req *breq = &tsi->tsi_u.bulk_v0;
+
+ opc = breq->blk_opc;
+ flags = breq->blk_flags;
+ len = breq->blk_npg * PAGE_SIZE;
+ off = 0;
+
+ } else {
+ struct test_bulk_req_v1 *breq = &tsi->tsi_u.bulk_v1;
+ int off;
+
+ /* I should never get this step if it's unknown feature
+ * because make_session will reject unknown feature */
+ LASSERT((sn->sn_features & ~LST_FEATS_MASK) == 0);
+
+ opc = breq->blk_opc;
+ flags = breq->blk_flags;
+ len = breq->blk_len;
+ off = breq->blk_offset;
+ }
+ npg = (off + len + PAGE_SIZE - 1) >> PAGE_SHIFT;
+
+ rc = sfw_create_test_rpc(tsu, dest, sn->sn_features, npg, len, &rpc);
+ if (rc != 0)
+ return rc;
+
+ unsafe_memcpy(&rpc->crpc_bulk, bulk,
+ offsetof(struct srpc_bulk, bk_iovs[npg]),
+ FLEXIBLE_OBJECT);
+ if (opc == LST_BRW_WRITE)
+ brw_fill_bulk(&rpc->crpc_bulk, flags, BRW_MAGIC);
+ else
+ brw_fill_bulk(&rpc->crpc_bulk, flags, BRW_POISON);
+
+ req = &rpc->crpc_reqstmsg.msg_body.brw_reqst;
+ req->brw_flags = flags;
+ req->brw_rw = opc;
+ req->brw_len = len;
+
+ *rpcpp = rpc;
+ return 0;
}
static void
-brw_client_done_rpc (sfw_test_unit_t *tsu, srpc_client_rpc_t *rpc)
+brw_client_done_rpc(struct sfw_test_unit *tsu, struct srpc_client_rpc *rpc)
{
- __u64 magic = BRW_MAGIC;
- sfw_test_instance_t *tsi = tsu->tsu_instance;
- sfw_session_t *sn = tsi->tsi_batch->bat_session;
- srpc_msg_t *msg = &rpc->crpc_replymsg;
- srpc_brw_reply_t *reply = &msg->msg_body.brw_reply;
- srpc_brw_reqst_t *reqst = &rpc->crpc_reqstmsg.msg_body.brw_reqst;
-
- LASSERT (sn != NULL);
-
- if (rpc->crpc_status != 0) {
- CERROR ("BRW RPC to %s failed with %d\n",
- libcfs_id2str(rpc->crpc_dest), rpc->crpc_status);
- if (!tsi->tsi_stopping) /* rpc could have been aborted */
- cfs_atomic_inc(&sn->sn_brw_errors);
- goto out;
- }
-
- if (msg->msg_magic != SRPC_MSG_MAGIC) {
- __swab64s(&magic);
- __swab32s(&reply->brw_status);
- }
-
- CDEBUG (reply->brw_status ? D_WARNING : D_NET,
- "BRW RPC to %s finished with brw_status: %d\n",
- libcfs_id2str(rpc->crpc_dest), reply->brw_status);
-
- if (reply->brw_status != 0) {
- cfs_atomic_inc(&sn->sn_brw_errors);
- rpc->crpc_status = -(int)reply->brw_status;
- goto out;
- }
-
- if (reqst->brw_rw == LST_BRW_WRITE) goto out;
-
- if (brw_check_bulk(&rpc->crpc_bulk, reqst->brw_flags, magic) != 0) {
- CERROR ("Bulk data from %s is corrupted!\n",
- libcfs_id2str(rpc->crpc_dest));
- cfs_atomic_inc(&sn->sn_brw_errors);
- rpc->crpc_status = -EBADMSG;
- }
-
-out:
-#ifndef __KERNEL__
- rpc->crpc_bulk.bk_pages = NULL;
-#endif
- return;
+ __u64 magic = BRW_MAGIC;
+ struct sfw_test_instance *tsi = tsu->tsu_instance;
+ struct sfw_session *sn = tsi->tsi_batch->bat_session;
+ struct srpc_msg *msg = &rpc->crpc_replymsg;
+ struct srpc_brw_reply *reply = &msg->msg_body.brw_reply;
+ struct srpc_brw_reqst *reqst = &rpc->crpc_reqstmsg.msg_body.brw_reqst;
+
+ LASSERT(sn != NULL);
+
+ if (rpc->crpc_status != 0) {
+ CERROR("BRW RPC to %s failed with %d\n",
+ libcfs_id2str(rpc->crpc_dest), rpc->crpc_status);
+ if (!tsi->tsi_stopping) /* rpc could have been aborted */
+ atomic_inc(&sn->sn_brw_errors);
+ return;
+ }
+
+ if (msg->msg_magic != SRPC_MSG_MAGIC) {
+ __swab64s(&magic);
+ __swab32s(&reply->brw_status);
+ }
+
+ CDEBUG(reply->brw_status ? D_WARNING : D_NET,
+ "BRW RPC to %s finished with brw_status: %d\n",
+ libcfs_id2str(rpc->crpc_dest), reply->brw_status);
+
+ if (reply->brw_status != 0) {
+ atomic_inc(&sn->sn_brw_errors);
+ rpc->crpc_status = -(int)reply->brw_status;
+ return;
+ }
+
+ if (reqst->brw_rw == LST_BRW_WRITE)
+ return;
+
+ if (brw_check_bulk(&rpc->crpc_bulk, reqst->brw_flags, magic) != 0) {
+ CERROR("Bulk data from %s is corrupted!\n",
+ libcfs_id2str(rpc->crpc_dest));
+ atomic_inc(&sn->sn_brw_errors);
+ rpc->crpc_status = -EBADMSG;
+ }
}
-void
-brw_server_rpc_done (srpc_server_rpc_t *rpc)
+static void
+brw_server_rpc_done(struct srpc_server_rpc *rpc)
{
- srpc_bulk_t *blk = rpc->srpc_bulk;
-
- if (blk == NULL) return;
-
- if (rpc->srpc_status != 0)
- CERROR ("Bulk transfer %s %s has failed: %d\n",
- blk->bk_sink ? "from" : "to",
- libcfs_id2str(rpc->srpc_peer), rpc->srpc_status);
- else
- CDEBUG (D_NET, "Transfered %d pages bulk data %s %s\n",
- blk->bk_niov, blk->bk_sink ? "from" : "to",
- libcfs_id2str(rpc->srpc_peer));
-
- sfw_free_pages(rpc);
+ struct srpc_bulk *blk = rpc->srpc_bulk;
+
+ if (blk == NULL)
+ return;
+
+ if (rpc->srpc_status != 0)
+ CERROR("Bulk transfer %s %s has failed: %d\n",
+ blk->bk_sink ? "from" : "to",
+ libcfs_id2str(rpc->srpc_peer), rpc->srpc_status);
+ else
+ CDEBUG(D_NET, "Transferred %d pages bulk data %s %s\n",
+ blk->bk_niov, blk->bk_sink ? "from" : "to",
+ libcfs_id2str(rpc->srpc_peer));
}
-int
-brw_bulk_ready (srpc_server_rpc_t *rpc, int status)
+static int
+brw_bulk_ready(struct srpc_server_rpc *rpc, int status)
{
- __u64 magic = BRW_MAGIC;
- srpc_brw_reply_t *reply = &rpc->srpc_replymsg.msg_body.brw_reply;
- srpc_brw_reqst_t *reqst;
- srpc_msg_t *reqstmsg;
+ __u64 magic = BRW_MAGIC;
+ struct srpc_brw_reply *reply = &rpc->srpc_replymsg.msg_body.brw_reply;
+ struct srpc_brw_reqst *reqst;
+ struct srpc_msg *reqstmsg;
LASSERT (rpc->srpc_bulk != NULL);
LASSERT (rpc->srpc_reqstbuf != NULL);
return 0;
}
-int
-brw_server_handle (srpc_server_rpc_t *rpc)
+static int
+brw_server_handle(struct srpc_server_rpc *rpc)
{
- srpc_service_t *sv = rpc->srpc_service;
- srpc_msg_t *replymsg = &rpc->srpc_replymsg;
- srpc_msg_t *reqstmsg = &rpc->srpc_reqstbuf->buf_msg;
- srpc_brw_reply_t *reply = &replymsg->msg_body.brw_reply;
- srpc_brw_reqst_t *reqst = &reqstmsg->msg_body.brw_reqst;
- int rc;
+ struct srpc_service *sv = rpc->srpc_scd->scd_svc;
+ struct srpc_msg *replymsg = &rpc->srpc_replymsg;
+ struct srpc_msg *reqstmsg = &rpc->srpc_reqstbuf->buf_msg;
+ struct srpc_brw_reply *reply = &replymsg->msg_body.brw_reply;
+ struct srpc_brw_reqst *reqst = &reqstmsg->msg_body.brw_reqst;
LASSERT (sv->sv_id == SRPC_SERVICE_BRW);
if (reqstmsg->msg_magic != SRPC_MSG_MAGIC) {
LASSERT (reqstmsg->msg_magic == __swab32(SRPC_MSG_MAGIC));
- __swab32s(&reqstmsg->msg_type);
__swab32s(&reqst->brw_rw);
__swab32s(&reqst->brw_len);
__swab32s(&reqst->brw_flags);
}
LASSERT (reqstmsg->msg_type == (__u32)srpc_service2request(sv->sv_id));
+ reply->brw_status = 0;
rpc->srpc_done = brw_server_rpc_done;
if ((reqst->brw_rw != LST_BRW_READ && reqst->brw_rw != LST_BRW_WRITE) ||
- reqst->brw_len == 0 || (reqst->brw_len & ~CFS_PAGE_MASK) != 0 ||
- reqst->brw_len / CFS_PAGE_SIZE > LNET_MAX_IOV ||
(reqst->brw_flags != LST_BRW_CHECK_NONE &&
reqst->brw_flags != LST_BRW_CHECK_FULL &&
reqst->brw_flags != LST_BRW_CHECK_SIMPLE)) {
return 0;
}
- reply->brw_status = 0;
- rc = sfw_alloc_pages(rpc, reqst->brw_len / CFS_PAGE_SIZE,
- reqst->brw_rw == LST_BRW_WRITE);
- if (rc != 0) return rc;
+ if ((reqstmsg->msg_ses_feats & ~LST_FEATS_MASK) != 0) {
+ replymsg->msg_ses_feats = LST_FEATS_MASK;
+ reply->brw_status = EPROTO;
+ return 0;
+ }
- if (reqst->brw_rw == LST_BRW_READ)
- brw_fill_bulk(rpc->srpc_bulk, reqst->brw_flags, BRW_MAGIC);
- else
- brw_fill_bulk(rpc->srpc_bulk, reqst->brw_flags, BRW_POISON);
+ if ((reqstmsg->msg_ses_feats & LST_FEAT_BULK_LEN) == 0) {
+ /* compat with old version */
+ if ((reqst->brw_len & ~PAGE_MASK) != 0) {
+ reply->brw_status = EINVAL;
+ return 0;
+ }
+ }
- return 0;
+ replymsg->msg_ses_feats = reqstmsg->msg_ses_feats;
+
+ if (reqst->brw_len == 0 || reqst->brw_len > LNET_MTU) {
+ reply->brw_status = EINVAL;
+ return 0;
+ }
+
+ srpc_init_bulk(rpc->srpc_bulk, 0, reqst->brw_len,
+ reqst->brw_rw == LST_BRW_WRITE);
+
+ if (reqst->brw_rw == LST_BRW_READ)
+ brw_fill_bulk(rpc->srpc_bulk, reqst->brw_flags, BRW_MAGIC);
+ else
+ brw_fill_bulk(rpc->srpc_bulk, reqst->brw_flags, BRW_POISON);
+
+ return 0;
}
-sfw_test_client_ops_t brw_test_client;
-void brw_init_test_client(void)
+static int
+brw_srpc_init(struct srpc_server_rpc *rpc, int cpt)
{
- brw_test_client.tso_init = brw_client_init;
- brw_test_client.tso_fini = brw_client_fini;
- brw_test_client.tso_prep_rpc = brw_client_prep_rpc;
- brw_test_client.tso_done_rpc = brw_client_done_rpc;
+ /* just alloc a maximal size - actual values will be adjusted later */
+ rpc->srpc_bulk = srpc_alloc_bulk(cpt, LNET_MTU);
+ if (rpc->srpc_bulk == NULL)
+ return -ENOMEM;
+
+ srpc_init_bulk(rpc->srpc_bulk, 0, 0, 0);
+
+ return 0;
+}
+
+static void
+brw_srpc_fini(struct srpc_server_rpc *rpc)
+{
+ srpc_free_bulk(rpc->srpc_bulk);
+ rpc->srpc_bulk = NULL;
+}
+
+struct sfw_test_client_ops brw_test_client = {
+ .tso_init = brw_client_init,
+ .tso_fini = brw_client_fini,
+ .tso_prep_rpc = brw_client_prep_rpc,
+ .tso_done_rpc = brw_client_done_rpc,
+};
+
+struct srpc_service brw_test_service = {
+ .sv_id = SRPC_SERVICE_BRW,
+ .sv_name = "brw_test",
+ .sv_handler = brw_server_handle,
+ .sv_bulk_ready = brw_bulk_ready,
+
+ .sv_srpc_init = brw_srpc_init,
+ .sv_srpc_fini = brw_srpc_fini,
};
-srpc_service_t brw_test_service;
void brw_init_test_service(void)
{
- brw_test_service.sv_id = SRPC_SERVICE_BRW;
- brw_test_service.sv_name = "brw_test";
- brw_test_service.sv_handler = brw_server_handle;
- brw_test_service.sv_bulk_ready = brw_bulk_ready;
+ unsigned long cache_size = cfs_totalram_pages() >> 4;
+
+ /* brw prealloc cache should don't eat more than half memory */
+ cache_size /= ((LNET_MTU >> PAGE_SHIFT) + 1) ;
+
+ brw_test_service.sv_wi_total = brw_srv_workitems;
+
+ if (brw_test_service.sv_wi_total > cache_size)
+ brw_test_service.sv_wi_total = cache_size;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff