Whamcloud - gitweb
LU-6245 libcfs: remove libcfsutil.h
[fs/lustre-release.git] / lnet / selftest / framework.c
index 7e79455..b5bd9e5 100644 (file)
@@ -1,30 +1,57 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
  *
- * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
- *   Authors: Isaac Huang <isaac@clusterfs.com>
- *            Liang Zhen  <liangzhen@clusterfs.com>
+ * 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
+ */
+/*
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2014, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lnet/selftest/framework.c
+ *
+ * Author: Isaac Huang <isaac@clusterfs.com>
+ * Author: Liang Zhen  <liangzhen@clusterfs.com>
  */
 
 #define DEBUG_SUBSYSTEM S_LNET
 
-#include <libcfs/kp30.h>
-#include <libcfs/libcfs.h>
-#include <lnet/lib-lnet.h>
-
 #include "selftest.h"
 
+lst_sid_t LST_INVALID_SID = {LNET_NID_ANY, -1};
 
 static int session_timeout = 100;
 CFS_MODULE_PARM(session_timeout, "i", int, 0444,
                 "test session timeout in seconds (100 by default, 0 == never)");
 
-#define SFW_TEST_CONCURRENCY     128
-#define SFW_TEST_RPC_TIMEOUT     64
-#define SFW_CLIENT_RPC_TIMEOUT   64  /* in seconds */
-#define SFW_EXTRA_TEST_BUFFERS   8 /* tolerate buggy peers with extra buffers */
-
-#define sfw_test_buffers(tsi)    ((tsi)->tsi_loop + SFW_EXTRA_TEST_BUFFERS)
+static int rpc_timeout = 64;
+CFS_MODULE_PARM(rpc_timeout, "i", int, 0644,
+                "rpc timeout in seconds (64 by default, 0 == never)");
 
 #define sfw_unpack_id(id)               \
 do {                                    \
@@ -40,10 +67,11 @@ do {                                    \
 
 #define sfw_unpack_fw_counters(fc)        \
 do {                                      \
-        __swab32s(&(fc).brw_errors);      \
-        __swab32s(&(fc).active_tests);    \
+        __swab32s(&(fc).running_ms);      \
         __swab32s(&(fc).active_batches);  \
         __swab32s(&(fc).zombie_sessions); \
+        __swab32s(&(fc).brw_errors);      \
+        __swab32s(&(fc).ping_errors);     \
 } while (0)
 
 #define sfw_unpack_rpc_counters(rc)     \
@@ -75,15 +103,23 @@ do {                                    \
 #define sfw_test_active(t)      (atomic_read(&(t)->tsi_nactive) != 0)
 #define sfw_batch_active(b)     (atomic_read(&(b)->bat_nactive) != 0)
 
-struct smoketest_framework {
-        struct list_head   fw_zombie_rpcs;     /* RPCs to be recycled */
-        struct list_head   fw_zombie_sessions; /* stopping sessions */
-        struct list_head   fw_tests;           /* registered test cases */
-        atomic_t           fw_nzombies;        /* # zombie sessions */
-        spinlock_t         fw_lock;            /* serialise */
-        sfw_session_t     *fw_session;         /* _the_ session */
-        int                fw_shuttingdown;    /* shutdown in progress */
-        srpc_server_rpc_t *fw_active_srpc;     /* running RPC */
+static struct smoketest_framework {
+       /* RPCs to be recycled */
+       struct list_head        fw_zombie_rpcs;
+       /* stopping sessions */
+       struct list_head        fw_zombie_sessions;
+       /* registered test cases */
+       struct list_head        fw_tests;
+       /* # zombie sessions */
+       atomic_t                fw_nzombies;
+       /* serialise */
+       spinlock_t              fw_lock;
+       /* _the_ session */
+       sfw_session_t           *fw_session;
+       /* shutdown in progress */
+       int                     fw_shuttingdown;
+       /* running RPC */
+       srpc_server_rpc_t       *fw_active_srpc;
 } sfw_data;
 
 /* forward ref's */
@@ -93,17 +129,17 @@ void sfw_destroy_session (sfw_session_t *sn);
 static inline sfw_test_case_t *
 sfw_find_test_case(int id)
 {
-        sfw_test_case_t *tsc;
+       sfw_test_case_t *tsc;
 
-        LASSERT (id <= SRPC_SERVICE_MAX_ID);
-        LASSERT (id > SRPC_FRAMEWORK_SERVICE_MAX_ID);
+       LASSERT(id <= SRPC_SERVICE_MAX_ID);
+       LASSERT(id > SRPC_FRAMEWORK_SERVICE_MAX_ID);
 
-        list_for_each_entry (tsc, &sfw_data.fw_tests, tsc_list) {
-                if (tsc->tsc_srv_service->sv_id == id)
-                        return tsc;
-        }
+       list_for_each_entry(tsc, &sfw_data.fw_tests, tsc_list) {
+               if (tsc->tsc_srv_service->sv_id == id)
+                       return tsc;
+       }
 
-        return NULL;
+       return NULL;
 }
 
 static int
@@ -125,11 +161,11 @@ sfw_register_test (srpc_service_t *service, sfw_test_client_ops_t *cliops)
         tsc->tsc_cli_ops     = cliops;
         tsc->tsc_srv_service = service;
 
-        list_add_tail(&tsc->tsc_list, &sfw_data.fw_tests);
-        return 0;
+       list_add_tail(&tsc->tsc_list, &sfw_data.fw_tests);
+       return 0;
 }
 
-void
+static void
 sfw_add_session_timer (void)
 {
         sfw_session_t *sn = sfw_data.fw_session;
@@ -149,7 +185,7 @@ sfw_add_session_timer (void)
         return;
 }
 
-int
+static int
 sfw_del_session_timer (void)
 {
         sfw_session_t *sn = sfw_data.fw_session;
@@ -164,71 +200,60 @@ sfw_del_session_timer (void)
                 return 0;
         }
 
-#ifndef __KERNEL__
-        /* Racing is impossible in single-threaded userland selftest */
-        LBUG();
-#endif
         return EBUSY; /* racing with sfw_session_expired() */
 }
 
 /* called with sfw_data.fw_lock held */
 static void
 sfw_deactivate_session (void)
+__must_hold(&sfw_data.fw_lock)
 {
         sfw_session_t *sn = sfw_data.fw_session;
         int            nactive = 0;
         sfw_batch_t   *tsb;
+        sfw_test_case_t *tsc;
 
-        if (sn == NULL)
-                return;
+        if (sn == NULL) return;
 
-        LASSERT (!sn->sn_timer_active);
+       LASSERT(!sn->sn_timer_active);
 
-        sfw_data.fw_session = NULL;
-        atomic_inc(&sfw_data.fw_nzombies);
-        list_add(&sn->sn_list, &sfw_data.fw_zombie_sessions);
+       sfw_data.fw_session = NULL;
+       atomic_inc(&sfw_data.fw_nzombies);
+       list_add(&sn->sn_list, &sfw_data.fw_zombie_sessions);
 
-        list_for_each_entry (tsb, &sn->sn_batches, bat_list) {
-                if (sfw_batch_active(tsb)) {
-                        nactive++;
-                        sfw_stop_batch(tsb, 1);
-                }
-        }
+       spin_unlock(&sfw_data.fw_lock);
 
-        if (nactive != 0)
-                return;   /* wait for active batches to stop */
+       list_for_each_entry(tsc, &sfw_data.fw_tests, tsc_list) {
+               srpc_abort_service(tsc->tsc_srv_service);
+       }
 
-        list_del_init(&sn->sn_list);
-        spin_unlock(&sfw_data.fw_lock);
+       spin_lock(&sfw_data.fw_lock);
 
-        sfw_destroy_session(sn);
+       list_for_each_entry(tsb, &sn->sn_batches, bat_list) {
+               if (sfw_batch_active(tsb)) {
+                       nactive++;
+                       sfw_stop_batch(tsb, 1);
+               }
+       }
 
-        spin_lock(&sfw_data.fw_lock);
-        return;
-}
+       if (nactive != 0)
+               return; /* wait for active batches to stop */
 
-#ifndef __KERNEL__
+       list_del_init(&sn->sn_list);
+       spin_unlock(&sfw_data.fw_lock);
 
-int
-sfw_session_removed (void)
-{
-        return (sfw_data.fw_session == NULL) ? 1 : 0;
-}
+       sfw_destroy_session(sn);
 
-void
-sfw_set_session_timeout (int timeout)
-{
-        session_timeout = timeout;
+       spin_lock(&sfw_data.fw_lock);
 }
 
-#endif
 
-void
+static void
 sfw_session_expired (void *data)
 {
-        sfw_session_t *sn = data;
+       sfw_session_t *sn = data;
 
-        spin_lock(&sfw_data.fw_lock);
+       spin_lock(&sfw_data.fw_lock);
 
         LASSERT (sn->sn_timer_active);
         LASSERT (sn == sfw_data.fw_session);
@@ -240,42 +265,46 @@ sfw_session_expired (void *data)
         sn->sn_timer_active = 0;
         sfw_deactivate_session();
 
-        spin_unlock(&sfw_data.fw_lock);
-        return;
+       spin_unlock(&sfw_data.fw_lock);
 }
 
 static inline void
-sfw_init_session (sfw_session_t *sn, lst_sid_t sid, const char *name)
+sfw_init_session(sfw_session_t *sn, lst_sid_t sid,
+                unsigned features, const char *name)
 {
         stt_timer_t *timer = &sn->sn_timer;
 
         memset(sn, 0, sizeof(sfw_session_t));
-        CFS_INIT_LIST_HEAD(&sn->sn_list);
-        CFS_INIT_LIST_HEAD(&sn->sn_batches);
-        atomic_set(&sn->sn_brw_errors, 0);
-        strncpy(&sn->sn_name[0], name, LST_NAME_SIZE);
+       INIT_LIST_HEAD(&sn->sn_list);
+       INIT_LIST_HEAD(&sn->sn_batches);
+       atomic_set(&sn->sn_refcount, 1);        /* +1 for caller */
+       atomic_set(&sn->sn_brw_errors, 0);
+       atomic_set(&sn->sn_ping_errors, 0);
+       strlcpy(&sn->sn_name[0], name, sizeof(sn->sn_name));
 
         sn->sn_timer_active = 0;
         sn->sn_id           = sid;
+       sn->sn_features     = features;
         sn->sn_timeout      = session_timeout;
+        sn->sn_started      = cfs_time_current();
 
         timer->stt_data = sn;
         timer->stt_func = sfw_session_expired;
-        CFS_INIT_LIST_HEAD(&timer->stt_list);
+       INIT_LIST_HEAD(&timer->stt_list);
 }
 
 /* completion handler for incoming framework RPCs */
-void
-sfw_server_rpc_done (srpc_server_rpc_t *rpc)
+static void
+sfw_server_rpc_done(struct srpc_server_rpc *rpc)
 {
-        srpc_service_t *sv = rpc->srpc_service;
-        int             status = rpc->srpc_status;
+       struct srpc_service     *sv     = rpc->srpc_scd->scd_svc;
+       int                     status  = rpc->srpc_status;
 
         CDEBUG (D_NET,
                 "Incoming framework RPC done: "
                 "service %s, peer %s, status %s:%d\n",
                 sv->sv_name, libcfs_id2str(rpc->srpc_peer),
-                swi_state2str(rpc->srpc_wi.wi_state),
+                swi_state2str(rpc->srpc_wi.swi_state),
                 status);
 
         if (rpc->srpc_bulk != NULL)
@@ -283,50 +312,45 @@ sfw_server_rpc_done (srpc_server_rpc_t *rpc)
         return;
 }
 
-void
+static void
 sfw_client_rpc_fini (srpc_client_rpc_t *rpc)
 {
-        LASSERT (rpc->crpc_bulk.bk_niov == 0);
-        LASSERT (list_empty(&rpc->crpc_list));
-        LASSERT (atomic_read(&rpc->crpc_refcount) == 0);
-#ifndef __KERNEL__
-        LASSERT (rpc->crpc_bulk.bk_pages == NULL);
-#endif
+       LASSERT(rpc->crpc_bulk.bk_niov == 0);
+       LASSERT(list_empty(&rpc->crpc_list));
+       LASSERT(atomic_read(&rpc->crpc_refcount) == 0);
 
-        CDEBUG (D_NET,
-                "Outgoing framework RPC done: "
-                "service %d, peer %s, status %s:%d:%d\n",
-                rpc->crpc_service, libcfs_id2str(rpc->crpc_dest),
-                swi_state2str(rpc->crpc_wi.wi_state),
-                rpc->crpc_aborted, rpc->crpc_status);
+       CDEBUG(D_NET, "Outgoing framework RPC done: "
+              "service %d, peer %s, status %s:%d:%d\n",
+              rpc->crpc_service, libcfs_id2str(rpc->crpc_dest),
+              swi_state2str(rpc->crpc_wi.swi_state),
+              rpc->crpc_aborted, rpc->crpc_status);
 
-        spin_lock(&sfw_data.fw_lock);
+       spin_lock(&sfw_data.fw_lock);
 
-        /* my callers must finish all RPCs before shutting me down */
-        LASSERT (!sfw_data.fw_shuttingdown);
-        list_add(&rpc->crpc_list, &sfw_data.fw_zombie_rpcs);
+       /* my callers must finish all RPCs before shutting me down */
+       LASSERT(!sfw_data.fw_shuttingdown);
+       list_add(&rpc->crpc_list, &sfw_data.fw_zombie_rpcs);
 
-        spin_unlock(&sfw_data.fw_lock);
-        return;
+       spin_unlock(&sfw_data.fw_lock);
 }
 
-sfw_batch_t *
+static sfw_batch_t *
 sfw_find_batch (lst_bid_t bid)
 {
-        sfw_session_t *sn = sfw_data.fw_session;
-        sfw_batch_t   *bat;
+       sfw_session_t *sn = sfw_data.fw_session;
+       sfw_batch_t   *bat;
 
-        LASSERT (sn != NULL);
+       LASSERT(sn != NULL);
 
-        list_for_each_entry (bat, &sn->sn_batches, bat_list) {
-                if (bat->bat_id.bat_id == bid.bat_id)
-                        return bat;
-        }
+       list_for_each_entry(bat, &sn->sn_batches, bat_list) {
+               if (bat->bat_id.bat_id == bid.bat_id)
+                       return bat;
+       }
 
-        return NULL;
+       return NULL;
 }
 
-sfw_batch_t *
+static sfw_batch_t *
 sfw_bid2batch (lst_bid_t bid)
 {
         sfw_session_t *sn = sfw_data.fw_session;
@@ -339,25 +363,26 @@ sfw_bid2batch (lst_bid_t bid)
                 return bat;
 
         LIBCFS_ALLOC(bat, sizeof(sfw_batch_t));
-        if (bat == NULL) 
+       if (bat == NULL)
                 return NULL;
 
-        bat->bat_error    = 0;
-        bat->bat_session  = sn;
-        bat->bat_id       = bid;
-        atomic_set(&bat->bat_nactive, 0);
-        CFS_INIT_LIST_HEAD(&bat->bat_tests);
+       bat->bat_error   = 0;
+       bat->bat_session = sn;
+       bat->bat_id      = bid;
+       atomic_set(&bat->bat_nactive, 0);
+       INIT_LIST_HEAD(&bat->bat_tests);
 
-        list_add_tail(&bat->bat_list, &sn->sn_batches);
-        return bat;
+       list_add_tail(&bat->bat_list, &sn->sn_batches);
+       return bat;
 }
 
-int
+static int
 sfw_get_stats (srpc_stat_reqst_t *request, srpc_stat_reply_t *reply)
 {
         sfw_session_t  *sn = sfw_data.fw_session;
         sfw_counters_t *cnt = &reply->str_fw;
         sfw_batch_t    *bat;
+        struct timeval  tv;
 
         reply->str_sid = (sn == NULL) ? LST_INVALID_SID : sn->sn_id;
 
@@ -371,33 +396,36 @@ sfw_get_stats (srpc_stat_reqst_t *request, srpc_stat_reply_t *reply)
                 return 0;
         }
 
-        LNET_LOCK();
-        reply->str_lnet = the_lnet.ln_counters;
-        LNET_UNLOCK();
+       lnet_counters_get(&reply->str_lnet);
+       srpc_get_counters(&reply->str_rpc);
 
-        srpc_get_counters(&reply->str_rpc);
+        /* send over the msecs since the session was started
+         - with 32 bits to send, this is ~49 days */
+        cfs_duration_usec(cfs_time_sub(cfs_time_current(),
+                                       sn->sn_started), &tv);
 
-        cnt->brw_errors      = atomic_read(&sn->sn_brw_errors);
-        cnt->zombie_sessions = atomic_read(&sfw_data.fw_nzombies);
+        cnt->running_ms      = (__u32)(tv.tv_sec * 1000 + tv.tv_usec / 1000);
+       cnt->brw_errors      = atomic_read(&sn->sn_brw_errors);
+       cnt->ping_errors     = atomic_read(&sn->sn_ping_errors);
+       cnt->zombie_sessions = atomic_read(&sfw_data.fw_nzombies);
 
-        cnt->active_tests = cnt->active_batches = 0;
-        list_for_each_entry (bat, &sn->sn_batches, bat_list) {
-                int n = atomic_read(&bat->bat_nactive);
+       cnt->active_batches = 0;
+       list_for_each_entry(bat, &sn->sn_batches, bat_list) {
+               if (atomic_read(&bat->bat_nactive) > 0)
+                       cnt->active_batches++;
+       }
 
-                if (n > 0) {
-                        cnt->active_batches++;
-                        cnt->active_tests += n;
-                }
-        }
-
-        reply->str_status = 0;
-        return 0;
+       reply->str_status = 0;
+       return 0;
 }
 
 int
-sfw_make_session (srpc_mksn_reqst_t *request, srpc_mksn_reply_t *reply)
+sfw_make_session(srpc_mksn_reqst_t *request, srpc_mksn_reply_t *reply)
 {
-        sfw_session_t *sn = sfw_data.fw_session;
+       sfw_session_t *sn = sfw_data.fw_session;
+       srpc_msg_t    *msg = container_of(request, srpc_msg_t,
+                                         msg_body.mksn_reqst);
+       int            cplen = 0;
 
         if (request->mksn_sid.ses_nid == LNET_NID_ANY) {
                 reply->mksn_sid = (sn == NULL) ? LST_INVALID_SID : sn->sn_id;
@@ -405,36 +433,62 @@ sfw_make_session (srpc_mksn_reqst_t *request, srpc_mksn_reply_t *reply)
                 return 0;
         }
 
-        if (sn != NULL && !request->mksn_force) {
-                reply->mksn_sid    = sn->sn_id;
-                reply->mksn_status = EBUSY;
-                strncpy(&reply->mksn_name[0], &sn->sn_name[0], LST_NAME_SIZE);
-                return 0;
-        }
-        
-        LIBCFS_ALLOC(sn, sizeof(sfw_session_t));
-        if (sn == NULL) {
-                CERROR ("Dropping RPC (mksn) under memory pressure.\n");
-                return -ENOMEM;
+        if (sn != NULL) {
+                reply->mksn_status  = 0;
+                reply->mksn_sid     = sn->sn_id;
+                reply->mksn_timeout = sn->sn_timeout;
+
+                if (sfw_sid_equal(request->mksn_sid, sn->sn_id)) {
+                       atomic_inc(&sn->sn_refcount);
+                        return 0;
+                }
+
+                if (!request->mksn_force) {
+                        reply->mksn_status = EBUSY;
+                       cplen = strlcpy(&reply->mksn_name[0], &sn->sn_name[0],
+                                       sizeof(reply->mksn_name));
+                       if (cplen >= sizeof(reply->mksn_name))
+                               return -E2BIG;
+                        return 0;
+                }
         }
 
-        sfw_init_session(sn, request->mksn_sid, &request->mksn_name[0]);
+       /* reject the request if it requires unknown features
+        * NB: old version will always accept all features because it's not
+        * aware of srpc_msg_t::msg_ses_feats, it's a defect but it's also
+        * harmless because it will return zero feature to console, and it's
+        * console's responsibility to make sure all nodes in a session have
+        * same feature mask. */
+       if ((msg->msg_ses_feats & ~LST_FEATS_MASK) != 0) {
+               reply->mksn_status = EPROTO;
+               return 0;
+       }
 
-        spin_lock(&sfw_data.fw_lock);
+       /* brand new or create by force */
+       LIBCFS_ALLOC(sn, sizeof(sfw_session_t));
+       if (sn == NULL) {
+               CERROR("dropping RPC mksn under memory pressure\n");
+               return -ENOMEM;
+       }
 
-        sfw_deactivate_session();
-        LASSERT (sfw_data.fw_session == NULL);
-        sfw_data.fw_session = sn;
+       sfw_init_session(sn, request->mksn_sid,
+                        msg->msg_ses_feats, &request->mksn_name[0]);
 
-        spin_unlock(&sfw_data.fw_lock);
+       spin_lock(&sfw_data.fw_lock);
 
-        reply->mksn_status  = 0;
-        reply->mksn_sid     = sn->sn_id;
-        reply->mksn_timeout = sn->sn_timeout;
-        return 0;
+       sfw_deactivate_session();
+       LASSERT(sfw_data.fw_session == NULL);
+       sfw_data.fw_session = sn;
+
+       spin_unlock(&sfw_data.fw_lock);
+
+       reply->mksn_status  = 0;
+       reply->mksn_sid     = sn->sn_id;
+       reply->mksn_timeout = sn->sn_timeout;
+       return 0;
 }
 
-int
+static int
 sfw_remove_session (srpc_rmsn_reqst_t *request, srpc_rmsn_reply_t *reply)
 {
         sfw_session_t *sn = sfw_data.fw_session;
@@ -451,17 +505,22 @@ sfw_remove_session (srpc_rmsn_reqst_t *request, srpc_rmsn_reply_t *reply)
                 return 0;
         }
 
-        spin_lock(&sfw_data.fw_lock);
-        sfw_deactivate_session();
-        spin_unlock(&sfw_data.fw_lock);
+       if (!atomic_dec_and_test(&sn->sn_refcount)) {
+                reply->rmsn_status = 0;
+                return 0;
+        }
 
-        reply->rmsn_status = 0;
-        reply->rmsn_sid    = LST_INVALID_SID;
-        LASSERT (sfw_data.fw_session == NULL);
-        return 0;
+       spin_lock(&sfw_data.fw_lock);
+       sfw_deactivate_session();
+       spin_unlock(&sfw_data.fw_lock);
+
+       reply->rmsn_status = 0;
+       reply->rmsn_sid    = LST_INVALID_SID;
+       LASSERT(sfw_data.fw_session == NULL);
+       return 0;
 }
 
-int
+static int
 sfw_debug_session (srpc_debug_reqst_t *request, srpc_debug_reply_t *reply)
 {
         sfw_session_t *sn = sfw_data.fw_session;
@@ -470,144 +529,178 @@ sfw_debug_session (srpc_debug_reqst_t *request, srpc_debug_reply_t *reply)
                 reply->dbg_status = ESRCH;
                 reply->dbg_sid    = LST_INVALID_SID;
                 return 0;
-        } 
+       }
 
-        reply->dbg_status  = 0;
-        reply->dbg_sid     = sn->sn_id;      
-        reply->dbg_timeout = sn->sn_timeout;
-        strncpy(reply->dbg_name, &sn->sn_name[0], LST_NAME_SIZE);
+       reply->dbg_status  = 0;
+       reply->dbg_sid     = sn->sn_id;
+       reply->dbg_timeout = sn->sn_timeout;
+       if (strlcpy(reply->dbg_name, &sn->sn_name[0], sizeof(reply->dbg_name))
+           >= sizeof(reply->dbg_name))
+               return -E2BIG;
 
         return 0;
 }
 
-void
+static void
 sfw_test_rpc_fini (srpc_client_rpc_t *rpc)
 {
-        sfw_test_unit_t     *tsu = rpc->crpc_priv;
-        sfw_test_instance_t *tsi = tsu->tsu_instance;
+       sfw_test_unit_t     *tsu = rpc->crpc_priv;
+       sfw_test_instance_t *tsi = tsu->tsu_instance;
 
-        /* Called with hold of tsi->tsi_lock */
-        LASSERT (list_empty(&rpc->crpc_list));
-        list_add(&rpc->crpc_list, &tsi->tsi_free_rpcs);
+       /* Called with hold of tsi->tsi_lock */
+       LASSERT(list_empty(&rpc->crpc_list));
+       list_add(&rpc->crpc_list, &tsi->tsi_free_rpcs);
 }
 
-int
-sfw_load_test (sfw_test_instance_t *tsi)
+static inline int
+sfw_test_buffers(sfw_test_instance_t *tsi)
 {
-        sfw_test_case_t *tsc = sfw_find_test_case(tsi->tsi_service);
-        int              nrequired = sfw_test_buffers(tsi);
-        int              nposted;
-
-        LASSERT (tsc != NULL);
-
-        if (tsi->tsi_is_client) {
-                tsi->tsi_ops = tsc->tsc_cli_ops;
-                return 0;
-        }
-
-        nposted = srpc_service_add_buffers(tsc->tsc_srv_service, nrequired);
-        if (nposted != nrequired) {
-                CWARN ("Failed to reserve enough buffers: "
-                       "service %s, %d needed, %d reserved\n",
-                       tsc->tsc_srv_service->sv_name, nrequired, nposted);
-                srpc_service_remove_buffers(tsc->tsc_srv_service, nposted);
-                return -ENOMEM;
-        }
+       struct sfw_test_case    *tsc;
+       struct srpc_service     *svc;
+       int                     nbuf;
+
+       LASSERT(tsi != NULL);
+       tsc = sfw_find_test_case(tsi->tsi_service);
+       LASSERT(tsc != NULL);
+       svc = tsc->tsc_srv_service;
+       LASSERT(svc != NULL);
+
+       nbuf = min(svc->sv_wi_total, tsi->tsi_loop) / svc->sv_ncpts;
+       return max(SFW_TEST_WI_MIN, nbuf + SFW_TEST_WI_EXTRA);
+}
 
-        CDEBUG (D_NET, "Reserved %d buffers for test %s\n",
-                nposted, tsc->tsc_srv_service->sv_name);
-        return 0;
+static int
+sfw_load_test(struct sfw_test_instance *tsi)
+{
+       struct sfw_test_case    *tsc;
+       struct srpc_service     *svc;
+       int                     nbuf;
+       int                     rc;
+
+       LASSERT(tsi != NULL);
+       tsc = sfw_find_test_case(tsi->tsi_service);
+       nbuf = sfw_test_buffers(tsi);
+       LASSERT(tsc != NULL);
+       svc = tsc->tsc_srv_service;
+
+       if (tsi->tsi_is_client) {
+               tsi->tsi_ops = tsc->tsc_cli_ops;
+               return 0;
+       }
+
+       rc = srpc_service_add_buffers(svc, nbuf);
+       if (rc != 0) {
+               CWARN("Failed to reserve enough buffers: "
+                     "service %s, %d needed: %d\n", svc->sv_name, nbuf, rc);
+               /* NB: this error handler is not strictly correct, because
+                * it may release more buffers than already allocated,
+                * but it doesn't matter because request portal should
+                * be lazy portal and will grow buffers if necessary. */
+               srpc_service_remove_buffers(svc, nbuf);
+               return -ENOMEM;
+       }
+
+       CDEBUG(D_NET, "Reserved %d buffers for test %s\n",
+              nbuf * (srpc_serv_is_framework(svc) ?
+                      1 : cfs_cpt_number(cfs_cpt_table)), svc->sv_name);
+       return 0;
 }
 
-void
-sfw_unload_test (sfw_test_instance_t *tsi)
+static void
+sfw_unload_test(struct sfw_test_instance *tsi)
 {
-        sfw_test_case_t *tsc = sfw_find_test_case(tsi->tsi_service);
+       struct sfw_test_case *tsc;
 
-        LASSERT (tsc != NULL);
+       LASSERT(tsi != NULL);
+       tsc = sfw_find_test_case(tsi->tsi_service);
+       LASSERT(tsc != NULL);
 
-        if (!tsi->tsi_is_client)
-                srpc_service_remove_buffers(tsc->tsc_srv_service,
-                                            sfw_test_buffers(tsi));
-        return;
+       if (tsi->tsi_is_client)
+               return;
+
+       /* shrink buffers, because request portal is lazy portal
+        * which can grow buffers at runtime so we may leave
+        * some buffers behind, but never mind... */
+       srpc_service_remove_buffers(tsc->tsc_srv_service,
+                                   sfw_test_buffers(tsi));
+       return;
 }
 
-void
+static void
 sfw_destroy_test_instance (sfw_test_instance_t *tsi)
 {
         srpc_client_rpc_t *rpc;
         sfw_test_unit_t   *tsu;
 
-        if (!tsi->tsi_is_client)
-                goto clean;
+        if (!tsi->tsi_is_client) goto clean;
 
         tsi->tsi_ops->tso_fini(tsi);
 
-        LASSERT (!tsi->tsi_stopping);
-        LASSERT (list_empty(&tsi->tsi_active_rpcs));
-        LASSERT (!sfw_test_active(tsi));
+       LASSERT(!tsi->tsi_stopping);
+       LASSERT(list_empty(&tsi->tsi_active_rpcs));
+       LASSERT(!sfw_test_active(tsi));
 
-        while (!list_empty(&tsi->tsi_units)) {
-                tsu = list_entry(tsi->tsi_units.next,
-                                 sfw_test_unit_t, tsu_list);
-                list_del(&tsu->tsu_list);
-                LIBCFS_FREE(tsu, sizeof(*tsu));
-        }
+       while (!list_empty(&tsi->tsi_units)) {
+               tsu = list_entry(tsi->tsi_units.next,
+                                sfw_test_unit_t, tsu_list);
+               list_del(&tsu->tsu_list);
+               LIBCFS_FREE(tsu, sizeof(*tsu));
+       }
 
-        while (!list_empty(&tsi->tsi_free_rpcs)) {
-                rpc = list_entry(tsi->tsi_free_rpcs.next,
-                                 srpc_client_rpc_t, crpc_list);
-                list_del(&rpc->crpc_list);
-                LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
-        }
+       while (!list_empty(&tsi->tsi_free_rpcs)) {
+               rpc = list_entry(tsi->tsi_free_rpcs.next,
+                                srpc_client_rpc_t, crpc_list);
+               list_del(&rpc->crpc_list);
+               LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
+       }
 
 clean:
-        sfw_unload_test(tsi);
-        LIBCFS_FREE(tsi, sizeof(*tsi));
-        return;
+       sfw_unload_test(tsi);
+       LIBCFS_FREE(tsi, sizeof(*tsi));
+       return;
 }
 
-void
+static void
 sfw_destroy_batch (sfw_batch_t *tsb)
 {
-        sfw_test_instance_t *tsi;
+       sfw_test_instance_t *tsi;
 
-        LASSERT (!sfw_batch_active(tsb));
-        LASSERT (list_empty(&tsb->bat_list));
+       LASSERT(!sfw_batch_active(tsb));
+       LASSERT(list_empty(&tsb->bat_list));
 
-        while (!list_empty(&tsb->bat_tests)) {
-                tsi = list_entry(tsb->bat_tests.next,
-                                 sfw_test_instance_t, tsi_list);
-                list_del_init(&tsi->tsi_list);
-                sfw_destroy_test_instance(tsi);
-        }
+       while (!list_empty(&tsb->bat_tests)) {
+               tsi = list_entry(tsb->bat_tests.next,
+                                sfw_test_instance_t, tsi_list);
+               list_del_init(&tsi->tsi_list);
+               sfw_destroy_test_instance(tsi);
+       }
 
-        LIBCFS_FREE(tsb, sizeof(sfw_batch_t));
-        return;
+       LIBCFS_FREE(tsb, sizeof(sfw_batch_t));
+       return;
 }
 
 void
 sfw_destroy_session (sfw_session_t *sn)
 {
-        sfw_batch_t *batch;
+       sfw_batch_t *batch;
 
-        LASSERT (list_empty(&sn->sn_list));
-        LASSERT (sn != sfw_data.fw_session);
+       LASSERT(list_empty(&sn->sn_list));
+       LASSERT(sn != sfw_data.fw_session);
 
-        while (!list_empty(&sn->sn_batches)) {
-                batch = list_entry(sn->sn_batches.next,
-                                   sfw_batch_t, bat_list);
-                list_del_init(&batch->bat_list);
-                sfw_destroy_batch(batch);
-        }
+       while (!list_empty(&sn->sn_batches)) {
+               batch = list_entry(sn->sn_batches.next,
+                                  sfw_batch_t, bat_list);
+               list_del_init(&batch->bat_list);
+               sfw_destroy_batch(batch);
+       }
 
-        LIBCFS_FREE(sn, sizeof(*sn));
-        atomic_dec(&sfw_data.fw_nzombies);
-        return;
+       LIBCFS_FREE(sn, sizeof(*sn));
+       atomic_dec(&sfw_data.fw_nzombies);
+       return;
 }
 
-void
-sfw_unpack_test_req (srpc_msg_t *msg)
+static void
+sfw_unpack_addtest_req(srpc_msg_t *msg)
 {
         srpc_test_reqst_t *req = &msg->msg_body.tes_reqst;
 
@@ -619,14 +712,25 @@ sfw_unpack_test_req (srpc_msg_t *msg)
 
         LASSERT (msg->msg_magic == __swab32(SRPC_MSG_MAGIC));
 
-        if (req->tsr_service == SRPC_SERVICE_BRW) {
-                test_bulk_req_t *bulk = &req->tsr_u.bulk;
+       if (req->tsr_service == SRPC_SERVICE_BRW) {
+               if ((msg->msg_ses_feats & LST_FEAT_BULK_LEN) == 0) {
+                       test_bulk_req_t *bulk = &req->tsr_u.bulk_v0;
 
-                __swab32s(&bulk->blk_opc);
-                __swab32s(&bulk->blk_npg);
-                __swab32s(&bulk->blk_flags);
-                return;
-        }
+                       __swab32s(&bulk->blk_opc);
+                       __swab32s(&bulk->blk_npg);
+                       __swab32s(&bulk->blk_flags);
+
+               } else {
+                       test_bulk_req_v1_t *bulk = &req->tsr_u.bulk_v1;
+
+                       __swab16s(&bulk->blk_opc);
+                       __swab16s(&bulk->blk_flags);
+                       __swab32s(&bulk->blk_offset);
+                       __swab32s(&bulk->blk_len);
+               }
+
+               return;
+       }
 
         if (req->tsr_service == SRPC_SERVICE_PING) {
                 test_ping_req_t *ping = &req->tsr_u.ping;
@@ -636,11 +740,11 @@ sfw_unpack_test_req (srpc_msg_t *msg)
                 return;
         }
 
-        LBUG ();
-        return;
+       LBUG();
+       return;
 }
 
-int
+static int
 sfw_add_test_instance (sfw_batch_t *tsb, srpc_server_rpc_t *rpc)
 {
         srpc_msg_t          *msg = &rpc->srpc_reqstbuf->buf_msg;
@@ -660,19 +764,19 @@ sfw_add_test_instance (sfw_batch_t *tsb, srpc_server_rpc_t *rpc)
         }
 
         memset(tsi, 0, sizeof(*tsi));
-        spin_lock_init(&tsi->tsi_lock);
-        atomic_set(&tsi->tsi_nactive, 0);
-        CFS_INIT_LIST_HEAD(&tsi->tsi_units);
-        CFS_INIT_LIST_HEAD(&tsi->tsi_free_rpcs);
-        CFS_INIT_LIST_HEAD(&tsi->tsi_active_rpcs);
-
-        tsi->tsi_stopping   = 0;
-        tsi->tsi_batch      = tsb;
-        tsi->tsi_loop       = req->tsr_loop;
-        tsi->tsi_concur     = req->tsr_concur;
-        tsi->tsi_service    = req->tsr_service;
-        tsi->tsi_is_client  = !!(req->tsr_is_client);
-        tsi->tsi_stop_onerr = !!(req->tsr_stop_onerr);
+       spin_lock_init(&tsi->tsi_lock);
+       atomic_set(&tsi->tsi_nactive, 0);
+       INIT_LIST_HEAD(&tsi->tsi_units);
+       INIT_LIST_HEAD(&tsi->tsi_free_rpcs);
+       INIT_LIST_HEAD(&tsi->tsi_active_rpcs);
+
+        tsi->tsi_stopping      = 0;
+        tsi->tsi_batch         = tsb;
+        tsi->tsi_loop          = req->tsr_loop;
+        tsi->tsi_concur        = req->tsr_concur;
+        tsi->tsi_service       = req->tsr_service;
+        tsi->tsi_is_client     = !!(req->tsr_is_client);
+        tsi->tsi_stoptsu_onerr = !!(req->tsr_stop_onerr);
 
         rc = sfw_load_test(tsi);
         if (rc != 0) {
@@ -682,33 +786,27 @@ sfw_add_test_instance (sfw_batch_t *tsb, srpc_server_rpc_t *rpc)
 
         LASSERT (!sfw_batch_active(tsb));
 
-        if (!tsi->tsi_is_client) {
-                /* it's test server, just add it to tsb */
-                list_add_tail(&tsi->tsi_list, &tsb->bat_tests);
-                return 0;
-        }
+       if (!tsi->tsi_is_client) {
+               /* it's test server, just add it to tsb */
+               list_add_tail(&tsi->tsi_list, &tsb->bat_tests);
+               return 0;
+       }
 
         LASSERT (bk != NULL);
-#ifndef __KERNEL__
-        LASSERT (bk->bk_pages != NULL);
-#endif
-        LASSERT (bk->bk_niov * SFW_ID_PER_PAGE >= ndest);
-        LASSERT (bk->bk_len >= sizeof(lnet_process_id_t) * ndest);
+        LASSERT (bk->bk_niov * SFW_ID_PER_PAGE >= (unsigned int)ndest);
+       LASSERT((unsigned int)bk->bk_len >=
+               sizeof(lnet_process_id_packed_t) * ndest);
 
-        sfw_unpack_test_req(msg);
+       sfw_unpack_addtest_req(msg);
         memcpy(&tsi->tsi_u, &req->tsr_u, sizeof(tsi->tsi_u));
 
         for (i = 0; i < ndest; i++) {
-                lnet_process_id_t *dests;
-                lnet_process_id_t  id;
-                int                j;
-
-#ifdef __KERNEL__
-                dests = cfs_page_address(bk->bk_iovs[i / SFW_ID_PER_PAGE].kiov_page);
-                LASSERT (dests != NULL);  /* my pages are within KVM always */
-#else
-                dests = cfs_page_address(bk->bk_pages[i / SFW_ID_PER_PAGE]);
-#endif
+                lnet_process_id_packed_t *dests;
+                lnet_process_id_packed_t  id;
+                int                       j;
+
+               dests = page_address(bk->bk_iovs[i / SFW_ID_PER_PAGE].kiov_page);
+               LASSERT (dests != NULL);  /* my pages are within KVM always */
                 id = dests[i % SFW_ID_PER_PAGE];
                 if (msg->msg_magic != SRPC_MSG_MAGIC)
                         sfw_unpack_id(id);
@@ -722,23 +820,24 @@ sfw_add_test_instance (sfw_batch_t *tsb, srpc_server_rpc_t *rpc)
                                 goto error;
                         }
 
-                        tsu->tsu_dest     = id;
-                        tsu->tsu_instance = tsi;
-                        tsu->tsu_private  = NULL;
-                        list_add_tail(&tsu->tsu_list, &tsi->tsi_units);
-                }
-        }
+                       tsu->tsu_dest.nid = id.nid;
+                       tsu->tsu_dest.pid = id.pid;
+                       tsu->tsu_instance = tsi;
+                       tsu->tsu_private  = NULL;
+                       list_add_tail(&tsu->tsu_list, &tsi->tsi_units);
+               }
+       }
 
-        rc = tsi->tsi_ops->tso_init(tsi);
-        if (rc == 0) {
-                list_add_tail(&tsi->tsi_list, &tsb->bat_tests);
-                return 0;
-        }
+       rc = tsi->tsi_ops->tso_init(tsi);
+       if (rc == 0) {
+               list_add_tail(&tsi->tsi_list, &tsb->bat_tests);
+               return 0;
+       }
 
 error:
-        LASSERT (rc != 0);
-        sfw_destroy_test_instance(tsi);
-        return rc;
+       LASSERT(rc != 0);
+       sfw_destroy_test_instance(tsi);
+       return rc;
 }
 
 static void
@@ -750,70 +849,66 @@ sfw_test_unit_done (sfw_test_unit_t *tsu)
 
         LASSERT (sfw_test_active(tsi));
 
-        if (!atomic_dec_and_test(&tsi->tsi_nactive))
+       if (!atomic_dec_and_test(&tsi->tsi_nactive))
                 return;
-        
+
         /* the test instance is done */
-        spin_lock(&tsi->tsi_lock);
+       spin_lock(&tsi->tsi_lock);
 
-        tsi->tsi_stopping = 0;
+       tsi->tsi_stopping = 0;
 
-        spin_unlock(&tsi->tsi_lock);
+       spin_unlock(&tsi->tsi_lock);
 
-        spin_lock(&sfw_data.fw_lock);
+       spin_lock(&sfw_data.fw_lock);
 
-        if (!atomic_dec_and_test(&tsb->bat_nactive) || /* tsb still active */
-            sn == sfw_data.fw_session) {               /* sn also active */
-                spin_unlock(&sfw_data.fw_lock);
+       if (!atomic_dec_and_test(&tsb->bat_nactive) ||/* tsb still active */
+           sn == sfw_data.fw_session) {                  /* sn also active */
+               spin_unlock(&sfw_data.fw_lock);
                 return;
         }
-        
-        LASSERT (!list_empty(&sn->sn_list)); /* I'm a zombie! */
 
-        list_for_each_entry (tsb, &sn->sn_batches, bat_list) {
-                if (sfw_batch_active(tsb)) {
-                        spin_unlock(&sfw_data.fw_lock);
-                        return;
-                }
-        }
+       LASSERT(!list_empty(&sn->sn_list)); /* I'm a zombie! */
 
-        list_del_init(&sn->sn_list);
-        spin_unlock(&sfw_data.fw_lock);
+       list_for_each_entry(tsb, &sn->sn_batches, bat_list) {
+               if (sfw_batch_active(tsb)) {
+                       spin_unlock(&sfw_data.fw_lock);
+                       return;
+               }
+       }
 
-        sfw_destroy_session(sn);
-        return;
+       list_del_init(&sn->sn_list);
+       spin_unlock(&sfw_data.fw_lock);
+
+       sfw_destroy_session(sn);
+       return;
 }
 
-void
+static void
 sfw_test_rpc_done (srpc_client_rpc_t *rpc)
 {
         sfw_test_unit_t     *tsu = rpc->crpc_priv;
         sfw_test_instance_t *tsi = tsu->tsu_instance;
         int                  done = 0;
 
-        if (rpc->crpc_status != 0 && tsu->tsu_error == 0 &&
-            (rpc->crpc_status != -EINTR || !tsi->tsi_stopping))
-                tsu->tsu_error = rpc->crpc_status;
-
         tsi->tsi_ops->tso_done_rpc(tsu, rpc);
-                      
-        spin_lock(&tsi->tsi_lock);
 
-        LASSERT (sfw_test_active(tsi));
-        LASSERT (!list_empty(&rpc->crpc_list));
+       spin_lock(&tsi->tsi_lock);
 
-        list_del_init(&rpc->crpc_list);
+       LASSERT(sfw_test_active(tsi));
+       LASSERT(!list_empty(&rpc->crpc_list));
+
+       list_del_init(&rpc->crpc_list);
 
         /* batch is stopping or loop is done or get error */
         if (tsi->tsi_stopping ||
             tsu->tsu_loop == 0 ||
-            (tsu->tsu_error != 0 && tsi->tsi_stop_onerr))
+            (rpc->crpc_status != 0 && tsi->tsi_stoptsu_onerr))
                 done = 1;
 
         /* dec ref for poster */
         srpc_client_rpc_decref(rpc);
 
-        spin_unlock(&tsi->tsi_lock);
+       spin_unlock(&tsi->tsi_lock);
 
         if (!done) {
                 swi_schedule_workitem(&tsu->tsu_worker);
@@ -825,80 +920,83 @@ sfw_test_rpc_done (srpc_client_rpc_t *rpc)
 }
 
 int
-sfw_create_test_rpc (sfw_test_unit_t *tsu, lnet_process_id_t peer,
-                     int nblk, int blklen, srpc_client_rpc_t **rpcpp)
+sfw_create_test_rpc(sfw_test_unit_t *tsu, lnet_process_id_t peer,
+                   unsigned features, int nblk, int blklen,
+                   srpc_client_rpc_t **rpcpp)
 {
-        srpc_client_rpc_t   *rpc = NULL;
-        sfw_test_instance_t *tsi = tsu->tsu_instance;
-        
-        spin_lock(&tsi->tsi_lock);
-
-        LASSERT (sfw_test_active(tsi));
-
-        if (!list_empty(&tsi->tsi_free_rpcs)) {
-                /* pick request from buffer */
-                rpc = list_entry(tsi->tsi_free_rpcs.next,
-                                 srpc_client_rpc_t, crpc_list);
-                LASSERT (nblk == rpc->crpc_bulk.bk_niov);
-                list_del_init(&rpc->crpc_list);
+       srpc_client_rpc_t   *rpc = NULL;
+       sfw_test_instance_t *tsi = tsu->tsu_instance;
 
-                srpc_init_client_rpc(rpc, peer, tsi->tsi_service, nblk,
-                                     blklen, sfw_test_rpc_done,
-                                     sfw_test_rpc_fini, tsu);
-        }
+       spin_lock(&tsi->tsi_lock);
 
-        spin_unlock(&tsi->tsi_lock);
-        
-        if (rpc == NULL)
-                rpc = srpc_create_client_rpc(peer, tsi->tsi_service, nblk,
-                                             blklen, sfw_test_rpc_done, 
-                                             sfw_test_rpc_fini, tsu);
-        if (rpc == NULL) {
-                CERROR ("Can't create rpc for test %d\n", tsi->tsi_service);
-                return -ENOMEM;
-        }
+        LASSERT (sfw_test_active(tsi));
 
-        *rpcpp = rpc;
-        return 0;
+       if (!list_empty(&tsi->tsi_free_rpcs)) {
+               /* pick request from buffer */
+               rpc = list_entry(tsi->tsi_free_rpcs.next,
+                                srpc_client_rpc_t, crpc_list);
+               LASSERT(nblk == rpc->crpc_bulk.bk_niov);
+               list_del_init(&rpc->crpc_list);
+       }
+
+       spin_unlock(&tsi->tsi_lock);
+
+       if (rpc == NULL) {
+               rpc = srpc_create_client_rpc(peer, tsi->tsi_service, nblk,
+                                            blklen, sfw_test_rpc_done,
+                                            sfw_test_rpc_fini, tsu);
+       } else {
+               srpc_init_client_rpc(rpc, peer, tsi->tsi_service, nblk,
+                                    blklen, sfw_test_rpc_done,
+                                    sfw_test_rpc_fini, tsu);
+       }
+
+       if (rpc == NULL) {
+               CERROR("Can't create rpc for test %d\n", tsi->tsi_service);
+               return -ENOMEM;
+       }
+
+       rpc->crpc_reqstmsg.msg_ses_feats = features;
+       *rpcpp = rpc;
+
+       return 0;
 }
 
-int
+static int
 sfw_run_test (swi_workitem_t *wi)
 {
-        sfw_test_unit_t     *tsu = wi->wi_data;
+        sfw_test_unit_t     *tsu = wi->swi_workitem.wi_data;
         sfw_test_instance_t *tsi = tsu->tsu_instance;
         srpc_client_rpc_t   *rpc = NULL;
 
         LASSERT (wi == &tsu->tsu_worker);
 
-        tsu->tsu_error = tsi->tsi_ops->tso_prep_rpc(tsu, tsu->tsu_dest, &rpc);
-        if (tsu->tsu_error != 0) {
+        if (tsi->tsi_ops->tso_prep_rpc(tsu, tsu->tsu_dest, &rpc) != 0) {
                 LASSERT (rpc == NULL);
                 goto test_done;
         }
 
         LASSERT (rpc != NULL);
 
-        spin_lock(&tsi->tsi_lock);
-
-        if (tsi->tsi_stopping) {
-                list_add(&rpc->crpc_list, &tsi->tsi_free_rpcs);
-                spin_unlock(&tsi->tsi_lock);
-                goto test_done;
-        }
+       spin_lock(&tsi->tsi_lock);
 
-        if (tsu->tsu_loop > 0)
-                tsu->tsu_loop--;
+       if (tsi->tsi_stopping) {
+               list_add(&rpc->crpc_list, &tsi->tsi_free_rpcs);
+               spin_unlock(&tsi->tsi_lock);
+               goto test_done;
+       }
 
-        list_add_tail(&rpc->crpc_list, &tsi->tsi_active_rpcs);
-        spin_unlock(&tsi->tsi_lock);
+       if (tsu->tsu_loop > 0)
+               tsu->tsu_loop--;
 
-        rpc->crpc_timeout = SFW_TEST_RPC_TIMEOUT;
+       list_add_tail(&rpc->crpc_list, &tsi->tsi_active_rpcs);
+       spin_unlock(&tsi->tsi_lock);
 
-        spin_lock(&rpc->crpc_lock);
-        srpc_post_rpc(rpc);
-        spin_unlock(&rpc->crpc_lock);
-        return 0;
+       spin_lock(&rpc->crpc_lock);
+       rpc->crpc_timeout = rpc_timeout;
+       srpc_post_rpc(rpc);
+       spin_unlock(&rpc->crpc_lock);
+       return 0;
 
 test_done:
         /*
@@ -908,12 +1006,12 @@ test_done:
          * - my batch is still active; no one can run it again now.
          * Cancel pending schedules and prevent future schedule attempts:
          */
-        swi_kill_workitem(wi);
-        sfw_test_unit_done(tsu);
-        return 1;
+       swi_exit_workitem(wi);
+       sfw_test_unit_done(tsu);
+       return 1;
 }
 
-int
+static int
 sfw_run_batch (sfw_batch_t *tsb)
 {
         swi_workitem_t      *wi;
@@ -921,33 +1019,32 @@ sfw_run_batch (sfw_batch_t *tsb)
         sfw_test_instance_t *tsi;
 
         if (sfw_batch_active(tsb)) {
-                CDEBUG (D_NET, "Can't start active batch: "LPU64" (%d)\n",
-                        tsb->bat_id.bat_id, atomic_read(&tsb->bat_nactive));
-                return -EPERM;
+                CDEBUG(D_NET, "Batch already active: "LPU64" (%d)\n",
+                      tsb->bat_id.bat_id, atomic_read(&tsb->bat_nactive));
+                return 0;
         }
 
-        list_for_each_entry (tsi, &tsb->bat_tests, tsi_list) {
-                if (!tsi->tsi_is_client) /* skip server instances */
-                        continue;
-
-                LASSERT (!tsi->tsi_stopping);
-                LASSERT (!sfw_test_active(tsi));
+       list_for_each_entry(tsi, &tsb->bat_tests, tsi_list) {
+               if (!tsi->tsi_is_client)        /* skip server instances */
+                       continue;
 
-                atomic_inc(&tsb->bat_nactive);
+               LASSERT(!tsi->tsi_stopping);
+               LASSERT(!sfw_test_active(tsi));
 
-                list_for_each_entry (tsu, &tsi->tsi_units, tsu_list) {
-                        atomic_inc(&tsi->tsi_nactive);
+               atomic_inc(&tsb->bat_nactive);
 
-                        tsu->tsu_error = 0;
-                        tsu->tsu_loop  = tsi->tsi_loop;
+               list_for_each_entry(tsu, &tsi->tsi_units, tsu_list) {
+                       atomic_inc(&tsi->tsi_nactive);
+                       tsu->tsu_loop = tsi->tsi_loop;
+                       wi = &tsu->tsu_worker;
+                       swi_init_workitem(wi, tsu, sfw_run_test,
+                                         lst_sched_test[\
+                                         lnet_cpt_of_nid(tsu->tsu_dest.nid)]);
+                       swi_schedule_workitem(wi);
+               }
+       }
 
-                        wi = &tsu->tsu_worker;
-                        swi_init_workitem(wi, tsu, sfw_run_test);
-                        swi_schedule_workitem(wi);
-                }
-        }
-
-        return 0;
+       return 0;
 }
 
 int
@@ -956,41 +1053,43 @@ sfw_stop_batch (sfw_batch_t *tsb, int force)
         sfw_test_instance_t *tsi;
         srpc_client_rpc_t   *rpc;
 
-        if (!sfw_batch_active(tsb))
-                return -EPERM;
+        if (!sfw_batch_active(tsb)) {
+                CDEBUG(D_NET, "Batch "LPU64" inactive\n", tsb->bat_id.bat_id);
+                return 0;
+        }
 
-        list_for_each_entry (tsi, &tsb->bat_tests, tsi_list) {
-                spin_lock(&tsi->tsi_lock);
+       list_for_each_entry(tsi, &tsb->bat_tests, tsi_list) {
+               spin_lock(&tsi->tsi_lock);
 
-                if (!tsi->tsi_is_client ||
-                    !sfw_test_active(tsi) || tsi->tsi_stopping) {
-                        spin_unlock(&tsi->tsi_lock);
-                        continue;
-                }
+               if (!tsi->tsi_is_client ||
+                   !sfw_test_active(tsi) || tsi->tsi_stopping) {
+                       spin_unlock(&tsi->tsi_lock);
+                       continue;
+               }
 
-                tsi->tsi_stopping = 1;
+               tsi->tsi_stopping = 1;
 
-                if (!force) {
-                        spin_unlock(&tsi->tsi_lock);
-                        continue;
-                }
+               if (!force) {
+                       spin_unlock(&tsi->tsi_lock);
+                       continue;
+               }
 
-                /* abort launched rpcs in the test */
-                list_for_each_entry (rpc, &tsi->tsi_active_rpcs, crpc_list) {
-                        spin_lock(&rpc->crpc_lock);
+               /* abort launched rpcs in the test */
+               list_for_each_entry(rpc, &tsi->tsi_active_rpcs, crpc_list) {
+                       spin_lock(&rpc->crpc_lock);
 
-                        srpc_abort_rpc(rpc, -EINTR);
+                       srpc_abort_rpc(rpc, -EINTR);
 
-                        spin_unlock(&rpc->crpc_lock);
-                }
+                       spin_unlock(&rpc->crpc_lock);
+               }
 
-                spin_unlock(&tsi->tsi_lock);
-        }
+               spin_unlock(&tsi->tsi_lock);
+       }
 
-        return 0;
+       return 0;
 }
 
-int
+static int
 sfw_query_batch (sfw_batch_t *tsb, int testidx, srpc_batch_reply_t *reply)
 {
         sfw_test_instance_t *tsi;
@@ -999,15 +1098,15 @@ sfw_query_batch (sfw_batch_t *tsb, int testidx, srpc_batch_reply_t *reply)
                 return -EINVAL;
 
         if (testidx == 0) {
-                reply->bar_active = atomic_read(&tsb->bat_nactive);
+               reply->bar_active = atomic_read(&tsb->bat_nactive);
                 return 0;
         }
 
-        list_for_each_entry (tsi, &tsb->bat_tests, tsi_list) {
+       list_for_each_entry(tsi, &tsb->bat_tests, tsi_list) {
                 if (testidx-- > 1)
                         continue;
 
-                reply->bar_active = atomic_read(&tsi->tsi_nactive);
+               reply->bar_active = atomic_read(&tsi->tsi_nactive);
                 return 0;
         }
 
@@ -1022,18 +1121,20 @@ sfw_free_pages (srpc_server_rpc_t *rpc)
 }
 
 int
-sfw_alloc_pages (srpc_server_rpc_t *rpc, int npages, int sink)
+sfw_alloc_pages(struct srpc_server_rpc *rpc, int cpt, int npages, int len,
+               int sink)
 {
-        LASSERT (rpc->srpc_bulk == NULL);
-        LASSERT (npages > 0 && npages <= LNET_MAX_IOV);
+       LASSERT(rpc->srpc_bulk == NULL);
+       LASSERT(npages > 0 && npages <= LNET_MAX_IOV);
 
-        rpc->srpc_bulk = srpc_alloc_bulk(npages, sink);
-        if (rpc->srpc_bulk == NULL) return -ENOMEM;
+       rpc->srpc_bulk = srpc_alloc_bulk(cpt, npages, len, sink);
+       if (rpc->srpc_bulk == NULL)
+               return -ENOMEM;
 
-        return 0;
+       return 0;
 }
 
-int
+static int
 sfw_add_test (srpc_server_rpc_t *rpc)
 {
         sfw_session_t     *sn = sfw_data.fw_session;
@@ -1063,10 +1164,10 @@ sfw_add_test (srpc_server_rpc_t *rpc)
                 return 0;
         }
 
-        bat = sfw_bid2batch(request->tsr_bid);
-        if (bat == NULL) {
-                CERROR ("Dropping RPC (%s) from %s under memory pressure.\n",
-                        rpc->srpc_service->sv_name,
+       bat = sfw_bid2batch(request->tsr_bid);
+       if (bat == NULL) {
+               CERROR("dropping RPC %s from %s under memory pressure\n",
+                       rpc->srpc_scd->scd_svc->sv_name,
                         libcfs_id2str(rpc->srpc_peer));
                 return -ENOMEM;
         }
@@ -1077,9 +1178,19 @@ sfw_add_test (srpc_server_rpc_t *rpc)
         }
 
         if (request->tsr_is_client && rpc->srpc_bulk == NULL) {
-                /* rpc will be resumed later in sfw_bulk_ready */
-                return sfw_alloc_pages(rpc,
-                                       sfw_id_pages(request->tsr_ndest), 1);
+               /* rpc will be resumed later in sfw_bulk_ready */
+               int     npg = sfw_id_pages(request->tsr_ndest);
+               int     len;
+
+               if ((sn->sn_features & LST_FEAT_BULK_LEN) == 0) {
+                       len = npg * PAGE_CACHE_SIZE;
+
+               } else  {
+                       len = sizeof(lnet_process_id_packed_t) *
+                             request->tsr_ndest;
+               }
+
+               return sfw_alloc_pages(rpc, CFS_CPT_ANY, npg, len, 1);
         }
 
         rc = sfw_add_test_instance(bat, rpc);
@@ -1093,7 +1204,7 @@ sfw_add_test (srpc_server_rpc_t *rpc)
         return 0;
 }
 
-int
+static int
 sfw_control_batch (srpc_batch_reqst_t *request, srpc_batch_reply_t *reply)
 {
         sfw_session_t *sn = sfw_data.fw_session;
@@ -1134,37 +1245,63 @@ sfw_control_batch (srpc_batch_reqst_t *request, srpc_batch_reply_t *reply)
         return 0;
 }
 
-int
-sfw_handle_server_rpc (srpc_server_rpc_t *rpc)
+static int
+sfw_handle_server_rpc(struct srpc_server_rpc *rpc)
 {
-        srpc_service_t *sv = rpc->srpc_service;
-        srpc_msg_t     *reply = &rpc->srpc_replymsg;
-        srpc_msg_t     *request = &rpc->srpc_reqstbuf->buf_msg;
-        int             rc = 0;
-
-        LASSERT (sfw_data.fw_active_srpc == NULL);
-        LASSERT (sv->sv_id <= SRPC_FRAMEWORK_SERVICE_MAX_ID);
-
-        spin_lock(&sfw_data.fw_lock);
-
-        if (sfw_data.fw_shuttingdown) {
-                spin_unlock(&sfw_data.fw_lock);
-                return -ESHUTDOWN;
-        }
-
-        /* Remove timer to avoid racing with it or expiring active session */
-        if (sfw_del_session_timer() != 0) {
-                CERROR ("Dropping RPC (%s) from %s: racing with expiry timer.",
-                        sv->sv_name, libcfs_id2str(rpc->srpc_peer));
-                spin_unlock(&sfw_data.fw_lock);
-                return -EAGAIN;
-        }
-
-        sfw_data.fw_active_srpc = rpc;
-        spin_unlock(&sfw_data.fw_lock);
-
-        sfw_unpack_message(request);
-        LASSERT (request->msg_type == srpc_service2request(sv->sv_id));
+       struct srpc_service     *sv = rpc->srpc_scd->scd_svc;
+       srpc_msg_t     *reply   = &rpc->srpc_replymsg;
+       srpc_msg_t     *request = &rpc->srpc_reqstbuf->buf_msg;
+       unsigned        features = LST_FEATS_MASK;
+       int             rc = 0;
+
+       LASSERT(sfw_data.fw_active_srpc == NULL);
+       LASSERT(sv->sv_id <= SRPC_FRAMEWORK_SERVICE_MAX_ID);
+
+       spin_lock(&sfw_data.fw_lock);
+
+       if (sfw_data.fw_shuttingdown) {
+               spin_unlock(&sfw_data.fw_lock);
+               return -ESHUTDOWN;
+       }
+
+       /* Remove timer to avoid racing with it or expiring active session */
+       if (sfw_del_session_timer() != 0) {
+               CERROR("dropping RPC %s from %s: racing with expiry timer\n",
+                      sv->sv_name, libcfs_id2str(rpc->srpc_peer));
+               spin_unlock(&sfw_data.fw_lock);
+               return -EAGAIN;
+       }
+
+       sfw_data.fw_active_srpc = rpc;
+       spin_unlock(&sfw_data.fw_lock);
+
+       sfw_unpack_message(request);
+       LASSERT(request->msg_type == srpc_service2request(sv->sv_id));
+
+       /* rpc module should have checked this */
+       LASSERT(request->msg_version == SRPC_MSG_VERSION);
+
+       if (sv->sv_id != SRPC_SERVICE_MAKE_SESSION &&
+           sv->sv_id != SRPC_SERVICE_DEBUG) {
+               sfw_session_t *sn = sfw_data.fw_session;
+
+               if (sn != NULL &&
+                   sn->sn_features != request->msg_ses_feats) {
+                       CNETERR("Features of framework RPC don't match "
+                               "features of current session: %x/%x\n",
+                               request->msg_ses_feats, sn->sn_features);
+                       reply->msg_body.reply.status = EPROTO;
+                       reply->msg_body.reply.sid    = sn->sn_id;
+                       goto out;
+               }
+
+       } else if ((request->msg_ses_feats & ~LST_FEATS_MASK) != 0) {
+               /* NB: at this point, old version will ignore features and
+                * create new session anyway, so console should be able
+                * to handle this */
+               reply->msg_body.reply.status = EPROTO;
+               goto out;
+       }
 
         switch(sv->sv_id) {
         default:
@@ -1199,104 +1336,104 @@ sfw_handle_server_rpc (srpc_server_rpc_t *rpc)
                 break;
         }
 
-        rpc->srpc_done = sfw_server_rpc_done;
-        spin_lock(&sfw_data.fw_lock);
+       if (sfw_data.fw_session != NULL)
+               features = sfw_data.fw_session->sn_features;
+ out:
+       reply->msg_ses_feats = features;
+       rpc->srpc_done = sfw_server_rpc_done;
+       spin_lock(&sfw_data.fw_lock);
 
-#ifdef __KERNEL__
-        if (!sfw_data.fw_shuttingdown)
-                sfw_add_session_timer();
-#else
-        LASSERT (!sfw_data.fw_shuttingdown);
-        sfw_add_session_timer();
-#endif
+       if (!sfw_data.fw_shuttingdown)
+               sfw_add_session_timer();
 
-        sfw_data.fw_active_srpc = NULL;
-        spin_unlock(&sfw_data.fw_lock);
-        return rc;
+       sfw_data.fw_active_srpc = NULL;
+       spin_unlock(&sfw_data.fw_lock);
+       return rc;
 }
 
-int
-sfw_bulk_ready (srpc_server_rpc_t *rpc, int status)
+static int
+sfw_bulk_ready(struct srpc_server_rpc *rpc, int status)
 {
-        srpc_service_t *sv = rpc->srpc_service;
-        int             rc;
-
-        LASSERT (rpc->srpc_bulk != NULL);
-        LASSERT (sv->sv_id == SRPC_SERVICE_TEST);
-        LASSERT (sfw_data.fw_active_srpc == NULL);
-        LASSERT (rpc->srpc_reqstbuf->buf_msg.msg_body.tes_reqst.tsr_is_client);
-
-        spin_lock(&sfw_data.fw_lock);
-
-        if (status != 0) {
-                CERROR ("Bulk transfer failed for RPC: "
-                        "service %s, peer %s, status %d\n",
-                        sv->sv_name, libcfs_id2str(rpc->srpc_peer), status);
-                spin_unlock(&sfw_data.fw_lock);
-                return -EIO;
-        }
+       struct srpc_service     *sv = rpc->srpc_scd->scd_svc;
+       int                     rc;
 
-        if (sfw_data.fw_shuttingdown) {
-                spin_unlock(&sfw_data.fw_lock);
-                return -ESHUTDOWN;
-        }
+       LASSERT(rpc->srpc_bulk != NULL);
+       LASSERT(sv->sv_id == SRPC_SERVICE_TEST);
+       LASSERT(sfw_data.fw_active_srpc == NULL);
+       LASSERT(rpc->srpc_reqstbuf->buf_msg.msg_body.tes_reqst.tsr_is_client);
 
-        if (sfw_del_session_timer() != 0) {
-                CERROR ("Dropping RPC (%s) from %s: racing with expiry timer",
-                        sv->sv_name, libcfs_id2str(rpc->srpc_peer));
-                spin_unlock(&sfw_data.fw_lock);
-                return -EAGAIN;
-        }
+       spin_lock(&sfw_data.fw_lock);
 
-        sfw_data.fw_active_srpc = rpc;
-        spin_unlock(&sfw_data.fw_lock);
+       if (status != 0) {
+               CERROR("Bulk transfer failed for RPC: "
+                      "service %s, peer %s, status %d\n",
+                      sv->sv_name, libcfs_id2str(rpc->srpc_peer), status);
+               spin_unlock(&sfw_data.fw_lock);
+               return -EIO;
+       }
 
-        rc = sfw_add_test(rpc);
+       if (sfw_data.fw_shuttingdown) {
+               spin_unlock(&sfw_data.fw_lock);
+               return -ESHUTDOWN;
+       }
 
-        spin_lock(&sfw_data.fw_lock);
+       if (sfw_del_session_timer() != 0) {
+               CERROR("dropping RPC %s from %s: racing with expiry timer\n",
+                      sv->sv_name, libcfs_id2str(rpc->srpc_peer));
+               spin_unlock(&sfw_data.fw_lock);
+               return -EAGAIN;
+       }
 
-#ifdef __KERNEL__
-        if (!sfw_data.fw_shuttingdown)
-                sfw_add_session_timer();
-#else
-        LASSERT (!sfw_data.fw_shuttingdown);
-        sfw_add_session_timer();
-#endif
+       sfw_data.fw_active_srpc = rpc;
+       spin_unlock(&sfw_data.fw_lock);
 
-        sfw_data.fw_active_srpc = NULL;
-        spin_unlock(&sfw_data.fw_lock);
-        return rc;
+       rc = sfw_add_test(rpc);
+
+       spin_lock(&sfw_data.fw_lock);
+
+       if (!sfw_data.fw_shuttingdown)
+               sfw_add_session_timer();
+
+       sfw_data.fw_active_srpc = NULL;
+       spin_unlock(&sfw_data.fw_lock);
+       return rc;
 }
 
 srpc_client_rpc_t *
-sfw_create_rpc (lnet_process_id_t peer, int service,
-                int nbulkiov, int bulklen,
-                void (*done) (srpc_client_rpc_t *), void *priv)
+sfw_create_rpc(lnet_process_id_t peer, int service,
+              unsigned features, int nbulkiov, int bulklen,
+              void (*done)(srpc_client_rpc_t *), void *priv)
 {
-        srpc_client_rpc_t *rpc;
+       srpc_client_rpc_t *rpc = NULL;
 
-        spin_lock(&sfw_data.fw_lock);
+       spin_lock(&sfw_data.fw_lock);
 
         LASSERT (!sfw_data.fw_shuttingdown);
         LASSERT (service <= SRPC_FRAMEWORK_SERVICE_MAX_ID);
 
-        if (nbulkiov == 0 && !list_empty(&sfw_data.fw_zombie_rpcs)) {
-                rpc = list_entry(sfw_data.fw_zombie_rpcs.next,
-                                 srpc_client_rpc_t, crpc_list);
-                list_del(&rpc->crpc_list);
-                spin_unlock(&sfw_data.fw_lock);
+       if (nbulkiov == 0 && !list_empty(&sfw_data.fw_zombie_rpcs)) {
+               rpc = list_entry(sfw_data.fw_zombie_rpcs.next,
+                                     srpc_client_rpc_t, crpc_list);
+               list_del(&rpc->crpc_list);
 
                 srpc_init_client_rpc(rpc, peer, service, 0, 0,
                                      done, sfw_client_rpc_fini, priv);
-                return rpc;
         }
 
-        spin_unlock(&sfw_data.fw_lock);
+       spin_unlock(&sfw_data.fw_lock);
+
+       if (rpc == NULL) {
+               rpc = srpc_create_client_rpc(peer, service,
+                                            nbulkiov, bulklen, done,
+                                            nbulkiov != 0 ?  NULL :
+                                            sfw_client_rpc_fini,
+                                            priv);
+       }
+
+       if (rpc != NULL) /* "session" is concept in framework */
+               rpc->crpc_reqstmsg.msg_ses_feats = features;
 
-        rpc = srpc_create_client_rpc(peer, service, nbulkiov, bulklen, done,
-                                     nbulkiov != 0 ? NULL : sfw_client_rpc_fini,
-                                     priv);
-        return rpc;
+       return rpc;
 }
 
 void
@@ -1305,10 +1442,9 @@ sfw_unpack_message (srpc_msg_t *msg)
         if (msg->msg_magic == SRPC_MSG_MAGIC)
                 return; /* no flipping needed */
 
+       /* srpc module should guarantee I wouldn't get crap */
         LASSERT (msg->msg_magic == __swab32(SRPC_MSG_MAGIC));
 
-        __swab32s(&msg->msg_type);
-
         if (msg->msg_type == SRPC_MSG_STAT_REQST) {
                 srpc_stat_reqst_t *req = &msg->msg_body.stat_reqst;
 
@@ -1447,67 +1583,71 @@ sfw_unpack_message (srpc_msg_t *msg)
 void
 sfw_abort_rpc (srpc_client_rpc_t *rpc)
 {
-        LASSERT (atomic_read(&rpc->crpc_refcount) > 0);
-        LASSERT (rpc->crpc_service <= SRPC_FRAMEWORK_SERVICE_MAX_ID);
+       LASSERT(atomic_read(&rpc->crpc_refcount) > 0);
+       LASSERT(rpc->crpc_service <= SRPC_FRAMEWORK_SERVICE_MAX_ID);
 
-        spin_lock(&rpc->crpc_lock);
-        srpc_abort_rpc(rpc, -EINTR);
-        spin_unlock(&rpc->crpc_lock);
-        return;
+       spin_lock(&rpc->crpc_lock);
+       srpc_abort_rpc(rpc, -EINTR);
+       spin_unlock(&rpc->crpc_lock);
+       return;
 }
 
 void
 sfw_post_rpc (srpc_client_rpc_t *rpc)
 {
-        spin_lock(&rpc->crpc_lock);
+       spin_lock(&rpc->crpc_lock);
 
-        LASSERT (!rpc->crpc_closed);
-        LASSERT (!rpc->crpc_aborted);
-        LASSERT (list_empty(&rpc->crpc_list));
-        LASSERT (!sfw_data.fw_shuttingdown);
+       LASSERT(!rpc->crpc_closed);
+       LASSERT(!rpc->crpc_aborted);
+       LASSERT(list_empty(&rpc->crpc_list));
+       LASSERT(!sfw_data.fw_shuttingdown);
 
-        rpc->crpc_timeout = SFW_CLIENT_RPC_TIMEOUT;
-        srpc_post_rpc(rpc);
+       rpc->crpc_timeout = rpc_timeout;
+       srpc_post_rpc(rpc);
 
-        spin_unlock(&rpc->crpc_lock);
-        return;
+       spin_unlock(&rpc->crpc_lock);
+       return;
 }
 
-static srpc_service_t sfw_services[] = 
+static srpc_service_t sfw_services[] =
 {
         {
-                .sv_name = "debug",
-                .sv_id   = SRPC_SERVICE_DEBUG,
+                /* sv_id */    SRPC_SERVICE_DEBUG,
+                /* sv_name */  "debug",
+                0
         },
         {
-                .sv_name = "query stats",
-                .sv_id   = SRPC_SERVICE_QUERY_STAT,
+                /* sv_id */    SRPC_SERVICE_QUERY_STAT,
+                /* sv_name */  "query stats",
+                0
         },
         {
-                .sv_name = "make sessin",
-                .sv_id   = SRPC_SERVICE_MAKE_SESSION,
+                /* sv_id */    SRPC_SERVICE_MAKE_SESSION,
+                /* sv_name */  "make session",
+                0
         },
         {
-                .sv_name = "remove session",
-                .sv_id   = SRPC_SERVICE_REMOVE_SESSION,
+                /* sv_id */    SRPC_SERVICE_REMOVE_SESSION,
+                /* sv_name */  "remove session",
+                0
         },
         {
-                .sv_name = "batch service",
-                .sv_id   = SRPC_SERVICE_BATCH,
+                /* sv_id */    SRPC_SERVICE_BATCH,
+                /* sv_name */  "batch service",
+                0
         },
         {
-                .sv_name = "test service",
-                .sv_id   = SRPC_SERVICE_TEST,
+                /* sv_id */    SRPC_SERVICE_TEST,
+                /* sv_name */  "test service",
+                0
         },
-        {       .sv_name = NULL, }
+        {
+                /* sv_id */    0,
+                /* sv_name */  NULL,
+                0
+        }
 };
 
-extern sfw_test_client_ops_t ping_test_client;
-extern srpc_service_t        ping_test_service;
-
-extern sfw_test_client_ops_t brw_test_client;
-extern srpc_service_t        brw_test_service;
-
 int
 sfw_startup (void)
 {
@@ -1517,44 +1657,59 @@ sfw_startup (void)
         srpc_service_t  *sv;
         sfw_test_case_t *tsc;
 
+
         if (session_timeout < 0) {
                 CERROR ("Session timeout must be non-negative: %d\n",
                         session_timeout);
                 return -EINVAL;
         }
 
+        if (rpc_timeout < 0) {
+                CERROR ("RPC timeout must be non-negative: %d\n",
+                        rpc_timeout);
+                return -EINVAL;
+        }
+
         if (session_timeout == 0)
                 CWARN ("Zero session_timeout specified "
-                       "- test sessions never timeout.\n");
+                       "- test sessions never expire.\n");
+
+        if (rpc_timeout == 0)
+                CWARN ("Zero rpc_timeout specified "
+                       "- test RPC never expire.\n");
 
         memset(&sfw_data, 0, sizeof(struct smoketest_framework));
 
         sfw_data.fw_session     = NULL;
         sfw_data.fw_active_srpc = NULL;
-        spin_lock_init(&sfw_data.fw_lock);
-        atomic_set(&sfw_data.fw_nzombies, 0);
-        CFS_INIT_LIST_HEAD(&sfw_data.fw_tests);
-        CFS_INIT_LIST_HEAD(&sfw_data.fw_zombie_rpcs);
-        CFS_INIT_LIST_HEAD(&sfw_data.fw_zombie_sessions);
-
+       spin_lock_init(&sfw_data.fw_lock);
+       atomic_set(&sfw_data.fw_nzombies, 0);
+       INIT_LIST_HEAD(&sfw_data.fw_tests);
+       INIT_LIST_HEAD(&sfw_data.fw_zombie_rpcs);
+       INIT_LIST_HEAD(&sfw_data.fw_zombie_sessions);
+
+        brw_init_test_client();
+        brw_init_test_service();
         rc = sfw_register_test(&brw_test_service, &brw_test_client);
         LASSERT (rc == 0);
+
+        ping_init_test_client();
+        ping_init_test_service();
         rc = sfw_register_test(&ping_test_service, &ping_test_client);
         LASSERT (rc == 0);
 
-        error = 0;
-        list_for_each_entry (tsc, &sfw_data.fw_tests, tsc_list) {
-                sv = tsc->tsc_srv_service;
-                sv->sv_concur = SFW_TEST_CONCURRENCY;
+       error = 0;
+       list_for_each_entry(tsc, &sfw_data.fw_tests, tsc_list) {
+               sv = tsc->tsc_srv_service;
 
-                rc = srpc_add_service(sv);
-                LASSERT (rc != -EBUSY);
-                if (rc != 0) {
-                        CWARN ("Failed to add %s service: %d\n",
-                               sv->sv_name, rc);
-                        error = rc;
-                }
-        }
+               rc = srpc_add_service(sv);
+               LASSERT(rc != -EBUSY);
+               if (rc != 0) {
+                       CWARN("Failed to add %s service: %d\n",
+                             sv->sv_name, rc);
+                       error = rc;
+               }
+       }
 
         for (i = 0; ; i++) {
                 sv = &sfw_services[i];
@@ -1562,7 +1717,7 @@ sfw_startup (void)
 
                 sv->sv_bulk_ready = NULL;
                 sv->sv_handler    = sfw_handle_server_rpc;
-                sv->sv_concur     = SFW_SERVICE_CONCURRENCY;
+               sv->sv_wi_total   = SFW_FRWK_WI_MAX;
                 if (sv->sv_id == SRPC_SERVICE_TEST)
                         sv->sv_bulk_ready = sfw_bulk_ready;
 
@@ -1575,15 +1730,15 @@ sfw_startup (void)
                 }
 
                 /* about to sfw_shutdown, no need to add buffer */
-                if (error) continue; 
-
-                rc = srpc_service_add_buffers(sv, SFW_POST_BUFFERS);
-                if (rc != SFW_POST_BUFFERS) {
-                        CWARN ("Failed to reserve enough buffers: "
-                               "service %s, %d needed, %d reserved\n",
-                               sv->sv_name, SFW_POST_BUFFERS, rc);
-                        error = -ENOMEM;
-                }
+                if (error) continue;
+
+               rc = srpc_service_add_buffers(sv, sv->sv_wi_total);
+               if (rc != 0) {
+                       CWARN("Failed to reserve enough buffers: "
+                             "service %s, %d needed: %d\n",
+                             sv->sv_name, sv->sv_wi_total, rc);
+                       error = -ENOMEM;
+               }
         }
 
         if (error != 0)
@@ -1594,31 +1749,27 @@ sfw_startup (void)
 void
 sfw_shutdown (void)
 {
-        srpc_service_t  *sv;
-        sfw_test_case_t *tsc;
-        int              i;
+       srpc_service_t  *sv;
+       sfw_test_case_t *tsc;
+       int              i;
 
-        spin_lock(&sfw_data.fw_lock);
+       spin_lock(&sfw_data.fw_lock);
 
         sfw_data.fw_shuttingdown = 1;
-#ifdef __KERNEL__
         lst_wait_until(sfw_data.fw_active_srpc == NULL, sfw_data.fw_lock,
                        "waiting for active RPC to finish.\n");
-#else
-        LASSERT (sfw_data.fw_active_srpc == NULL);
-#endif
 
         if (sfw_del_session_timer() != 0)
                 lst_wait_until(sfw_data.fw_session == NULL, sfw_data.fw_lock,
                                "waiting for session timer to explode.\n");
 
         sfw_deactivate_session();
-        lst_wait_until(atomic_read(&sfw_data.fw_nzombies) == 0,
+       lst_wait_until(atomic_read(&sfw_data.fw_nzombies) == 0,
                        sfw_data.fw_lock,
                        "waiting for %d zombie sessions to die.\n",
-                       atomic_read(&sfw_data.fw_nzombies));
+                      atomic_read(&sfw_data.fw_nzombies));
 
-        spin_unlock(&sfw_data.fw_lock);
+       spin_unlock(&sfw_data.fw_lock);
 
         for (i = 0; ; i++) {
                 sv = &sfw_services[i];
@@ -1629,21 +1780,21 @@ sfw_shutdown (void)
                 srpc_remove_service(sv);
         }
 
-        list_for_each_entry (tsc, &sfw_data.fw_tests, tsc_list) {
+       list_for_each_entry(tsc, &sfw_data.fw_tests, tsc_list) {
                 sv = tsc->tsc_srv_service;
                 srpc_shutdown_service(sv);
                 srpc_remove_service(sv);
         }
 
-        while (!list_empty(&sfw_data.fw_zombie_rpcs)) {
-                srpc_client_rpc_t *rpc;
+       while (!list_empty(&sfw_data.fw_zombie_rpcs)) {
+               srpc_client_rpc_t *rpc;
 
-                rpc = list_entry(sfw_data.fw_zombie_rpcs.next, 
-                                 srpc_client_rpc_t, crpc_list);
-                list_del(&rpc->crpc_list);
+               rpc = list_entry(sfw_data.fw_zombie_rpcs.next,
+                                srpc_client_rpc_t, crpc_list);
+               list_del(&rpc->crpc_list);
 
-                LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
-        }
+               LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
+       }
 
         for (i = 0; ; i++) {
                 sv = &sfw_services[i];
@@ -1653,15 +1804,15 @@ sfw_shutdown (void)
                 srpc_wait_service_shutdown(sv);
         }
 
-        while (!list_empty(&sfw_data.fw_tests)) {
-                tsc = list_entry(sfw_data.fw_tests.next,
-                                 sfw_test_case_t, tsc_list);
-                
-                srpc_wait_service_shutdown(tsc->tsc_srv_service);
+       while (!list_empty(&sfw_data.fw_tests)) {
+               tsc = list_entry(sfw_data.fw_tests.next,
+                                sfw_test_case_t, tsc_list);
 
-                list_del(&tsc->tsc_list);
-                LIBCFS_FREE(tsc, sizeof(*tsc));
-        }
+               srpc_wait_service_shutdown(tsc->tsc_srv_service);
 
-        return;
+               list_del(&tsc->tsc_list);
+               LIBCFS_FREE(tsc, sizeof(*tsc));
+       }
+
+       return;
 }