Viewing: framework.c
// 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/
*
* Author: Isaac Huang <isaac@clusterfs.com>
* Author: Liang Zhen <liangzhen@clusterfs.com>
*
*/
#define DEBUG_SUBSYSTEM S_LNET
#include "selftest.h"
struct lst_session_id LST_INVALID_SID = { .ses_nid = LNET_ANY_NID, .ses_stamp = -1};
static int session_timeout = 100;
module_param(session_timeout, int, 0444);
MODULE_PARM_DESC(session_timeout, "test session timeout in seconds (100 by default, 0 == never)");
static int rpc_timeout = 64;
module_param(rpc_timeout, int, 0644);
MODULE_PARM_DESC(rpc_timeout, "rpc timeout in seconds (64 by default, 0 == never)");
#define sfw_unpack_id(id) \
do { \
__swab64s(&(id).nid); \
__swab32s(&(id).pid); \
} while (0)
#define sfw_unpack_sid(sid) \
do { \
__swab64s(&(sid).ses_nid); \
__swab64s(&(sid).ses_stamp); \
} while (0)
#define sfw_unpack_fw_counters(fc) \
do { \
__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) \
do { \
__swab32s(&(rc).errors); \
__swab32s(&(rc).rpcs_sent); \
__swab32s(&(rc).rpcs_rcvd); \
__swab32s(&(rc).rpcs_dropped); \
__swab32s(&(rc).rpcs_expired); \
__swab64s(&(rc).bulk_get); \
__swab64s(&(rc).bulk_put); \
} while (0)
#define sfw_unpack_lnet_counters(lc) \
do { \
__swab32s(&(lc).lcc_errors); \
__swab32s(&(lc).lcc_msgs_max); \
__swab32s(&(lc).lcc_msgs_alloc); \
__swab32s(&(lc).lcc_send_count); \
__swab32s(&(lc).lcc_recv_count); \
__swab32s(&(lc).lcc_drop_count); \
__swab32s(&(lc).lcc_route_count); \
__swab64s(&(lc).lcc_send_length); \
__swab64s(&(lc).lcc_recv_length); \
__swab64s(&(lc).lcc_drop_length); \
__swab64s(&(lc).lcc_route_length); \
} while (0)
#define sfw_test_active(t) (atomic_read(&(t)->tsi_nactive) != 0)
#define sfw_batch_active(b) (atomic_read(&(b)->bat_nactive) != 0)
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 */
struct sfw_session *fw_session;
/* shutdown in progress */
int fw_shuttingdown;
/* running RPC */
struct srpc_server_rpc *fw_active_srpc;
} sfw_data;
static struct srpc_service sfw_services[] = {
{ .sv_id = SRPC_SERVICE_DEBUG, .sv_name = "debug", },
{ .sv_id = SRPC_SERVICE_QUERY_STAT, .sv_name = "query stats", },
{ .sv_id = SRPC_SERVICE_MAKE_SESSION, .sv_name = "make session", },
{ .sv_id = SRPC_SERVICE_REMOVE_SESSION, .sv_name = "remove session", },
{ .sv_id = SRPC_SERVICE_BATCH, .sv_name = "batch service", },
{ .sv_id = SRPC_SERVICE_TEST, .sv_name = "test service", },
{ .sv_id = 0, }
};
/* forward ref's */
static int sfw_stop_batch(struct sfw_batch *tsb, int force);
static void sfw_destroy_session(struct sfw_session *sn);
static inline struct sfw_test_case *
sfw_find_test_case(enum srpc_service_type id)
{
struct sfw_test_case *tsc;
LASSERTF(id < SRPC_SERVICE_MAX_ID, "id = %i\n", id);
LASSERTF(id > SRPC_FRAMEWORK_SERVICE_MAX_ID, "id = %i\n", id);
list_for_each_entry(tsc, &sfw_data.fw_tests, tsc_list) {
if (tsc->tsc_srv_service->sv_id == id)
return tsc;
}
return NULL;
}
static int
sfw_register_test(struct srpc_service *service,
struct sfw_test_client_ops *cliops)
{
struct sfw_test_case *tsc;
if (sfw_find_test_case(service->sv_id) != NULL) {
CERROR("Failed to register test %s (%d): rc = %d\n",
service->sv_name, service->sv_id, -EEXIST);
return -EEXIST;
}
LIBCFS_ALLOC(tsc, sizeof(*tsc));
if (tsc == NULL)
return -ENOMEM;
tsc->tsc_cli_ops = cliops;
tsc->tsc_srv_service = service;
list_add_tail(&tsc->tsc_list, &sfw_data.fw_tests);
return 0;
}
static void
sfw_add_session_timer(void)
{
struct sfw_session *sn = sfw_data.fw_session;
struct stt_timer *timer = &sn->sn_timer;
LASSERT(!sfw_data.fw_shuttingdown);
if (sn == NULL || sn->sn_timeout == 0)
return;
LASSERT(!sn->sn_timer_active);
sn->sn_timer_active = 1;
timer->stt_expires = ktime_get_real_seconds() + sn->sn_timeout;
stt_add_timer(timer);
}
static int
sfw_del_session_timer(void)
{
struct sfw_session *sn = sfw_data.fw_session;
if (sn == NULL || !sn->sn_timer_active)
return 0;
LASSERT(sn->sn_timeout != 0);
if (stt_del_timer(&sn->sn_timer)) { /* timer defused */
sn->sn_timer_active = 0;
return 0;
}
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)
{
struct sfw_session *sn = sfw_data.fw_session;
int nactive = 0;
struct sfw_batch *tsb;
struct sfw_test_case *tsc;
if (sn == NULL)
return;
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);
spin_unlock(&sfw_data.fw_lock);
list_for_each_entry(tsc, &sfw_data.fw_tests, tsc_list) {
srpc_abort_service(tsc->tsc_srv_service);
}
spin_lock(&sfw_data.fw_lock);
list_for_each_entry(tsb, &sn->sn_batches, bat_list) {
if (sfw_batch_active(tsb)) {
nactive++;
sfw_stop_batch(tsb, 1);
}
}
if (nactive != 0)
return; /* wait for active batches to stop */
list_del_init(&sn->sn_list);
spin_unlock(&sfw_data.fw_lock);
sfw_destroy_session(sn);
spin_lock(&sfw_data.fw_lock);
}
static void
sfw_session_expired(void *data)
{
struct sfw_session *sn = data;
spin_lock(&sfw_data.fw_lock);
LASSERT(sn->sn_timer_active);
LASSERT(sn == sfw_data.fw_session);
CWARN("Session expired! sid: %s-%llu, name: %s\n",
libcfs_nidstr(&sn->sn_id.ses_nid),
sn->sn_id.ses_stamp, &sn->sn_name[0]);
sn->sn_timer_active = 0;
sfw_deactivate_session();
spin_unlock(&sfw_data.fw_lock);
}
static inline void
sfw_init_session(struct sfw_session *sn, struct lst_sid sid,
unsigned features, const char *name)
{
struct stt_timer *timer = &sn->sn_timer;
memset(sn, 0, sizeof(struct sfw_session));
INIT_LIST_HEAD(&sn->sn_list);
INIT_LIST_HEAD(&sn->sn_batches);
refcount_set(&sn->sn_refcount, 1); /* +1 for caller */
atomic_set(&sn->sn_brw_errors, 0);
atomic_set(&sn->sn_ping_errors, 0);
strscpy(&sn->sn_name[0], name, sizeof(sn->sn_name));
sn->sn_timer_active = 0;
sn->sn_id.ses_stamp = sid.ses_stamp;
lnet_nid4_to_nid(sid.ses_nid, &sn->sn_id.ses_nid);
sn->sn_features = features;
sn->sn_timeout = session_timeout;
sn->sn_started = ktime_get();
timer->stt_data = sn;
timer->stt_func = sfw_session_expired;
INIT_LIST_HEAD(&timer->stt_list);
}
/* completion handler for incoming framework RPCs */
static void
sfw_server_rpc_done(struct srpc_server_rpc *rpc)
{
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_idstr(&rpc->srpc_peer),
swi_state2str(rpc->srpc_wi.swi_state), status);
if (rpc->srpc_bulk) {
srpc_free_bulk(rpc->srpc_bulk);
rpc->srpc_bulk = NULL;
}
}
static void
sfw_client_rpc_fini(struct srpc_client_rpc *rpc)
{
LASSERT(rpc->crpc_bulk.bk_niov == 0);
LASSERT(list_empty(&rpc->crpc_list));
CDEBUG(D_NET, "Outgoing framework RPC done: "
"service %d, peer %s, status %s:%d:%d\n",
rpc->crpc_service, libcfs_idstr(&rpc->crpc_dest),
swi_state2str(rpc->crpc_wi.swi_state),
rpc->crpc_aborted, rpc->crpc_status);
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);
spin_unlock(&sfw_data.fw_lock);
}
static struct sfw_batch *
sfw_find_batch(struct lst_bid bid)
{
struct sfw_session *sn = sfw_data.fw_session;
struct sfw_batch *bat;
LASSERT(sn != NULL);
list_for_each_entry(bat, &sn->sn_batches, bat_list) {
if (bat->bat_id.bat_id == bid.bat_id)
return bat;
}
return NULL;
}
static struct sfw_batch *
sfw_bid2batch(struct lst_bid bid)
{
struct sfw_session *sn = sfw_data.fw_session;
struct sfw_batch *bat;
LASSERT(sn != NULL);
bat = sfw_find_batch(bid);
if (bat != NULL)
return bat;
LIBCFS_ALLOC(bat, sizeof(*bat));
if (bat == NULL)
return NULL;
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;
}
static struct lst_sid get_old_sid(struct sfw_session *sn)
{
struct lst_sid sid = { .ses_nid = LNET_NID_ANY, .ses_stamp = -1 };
if (sn) {
sid.ses_stamp = sn->sn_id.ses_stamp;
sid.ses_nid = lnet_nid_to_nid4(&sn->sn_id.ses_nid);
}
return sid;
}
static int
sfw_get_stats(struct srpc_stat_reqst *request, struct srpc_stat_reply *reply)
{
struct sfw_session *sn = sfw_data.fw_session;
struct sfw_counters *cnt = &reply->str_fw;
struct sfw_batch *bat;
reply->str_sid = get_old_sid(sn);
if (request->str_sid.ses_nid == LNET_NID_ANY) {
reply->str_status = EINVAL;
return 0;
}
if (sn == NULL || !sfw_sid_equal(request->str_sid, sn->sn_id)) {
reply->str_status = ESRCH;
return 0;
}
lnet_counters_get_common(&reply->str_lnet);
srpc_get_counters(&reply->str_rpc);
/* send over the msecs since the session was started
* - with 32 bits to send, this is ~49 days */
cnt->running_ms = ktime_ms_delta(ktime_get(), sn->sn_started);
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_batches = 0;
list_for_each_entry(bat, &sn->sn_batches, bat_list) {
if (atomic_read(&bat->bat_nactive) > 0)
cnt->active_batches++;
}
reply->str_status = 0;
return 0;
}
int
sfw_make_session(struct srpc_mksn_reqst *request, struct srpc_mksn_reply *reply)
{
struct sfw_session *sn = sfw_data.fw_session;
struct srpc_msg *msg = container_of(request, struct srpc_msg,
msg_body.mksn_reqst);
int cplen = 0;
if (request->mksn_sid.ses_nid == LNET_NID_ANY) {
reply->mksn_sid = get_old_sid(sn);
reply->mksn_status = EINVAL;
return 0;
}
if (sn != NULL) {
reply->mksn_status = 0;
reply->mksn_sid = get_old_sid(sn);
reply->mksn_timeout = sn->sn_timeout;
if (sfw_sid_equal(request->mksn_sid, sn->sn_id)) {
refcount_inc(&sn->sn_refcount);
return 0;
}
if (!request->mksn_force) {
reply->mksn_status = EBUSY;
cplen = strscpy(&reply->mksn_name[0], &sn->sn_name[0],
sizeof(reply->mksn_name));
if (cplen < 0)
return cplen;
return 0;
}
}
/* reject the request if it requires unknown features
* NB: old version will always accept all features because it's not
* aware of struct srpc_msg::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;
}
/* brand new or create by force */
LIBCFS_ALLOC(sn, sizeof(*sn));
if (sn == NULL) {
CERROR("dropping RPC mksn under memory pressure: rc = %d\n",
-ENOMEM);
return -ENOMEM;
}
sfw_init_session(sn, request->mksn_sid,
msg->msg_ses_feats, &request->mksn_name[0]);
spin_lock(&sfw_data.fw_lock);
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 = get_old_sid(sn);
reply->mksn_timeout = sn->sn_timeout;
return 0;
}
static int
sfw_remove_session(struct srpc_rmsn_reqst *request,
struct srpc_rmsn_reply *reply)
{
struct sfw_session *sn = sfw_data.fw_session;
reply->rmsn_sid = get_old_sid(sn);
if (request->rmsn_sid.ses_nid == LNET_NID_ANY) {
reply->rmsn_status = EINVAL;
return 0;
}
if (sn == NULL || !sfw_sid_equal(request->rmsn_sid, sn->sn_id)) {
reply->rmsn_status = (sn == NULL) ? ESRCH : EBUSY;
return 0;
}
if (!refcount_dec_and_test(&sn->sn_refcount)) {
reply->rmsn_status = 0;
return 0;
}
spin_lock(&sfw_data.fw_lock);
sfw_deactivate_session();
spin_unlock(&sfw_data.fw_lock);
reply->rmsn_status = 0;
reply->rmsn_sid = get_old_sid(NULL);
LASSERT(sfw_data.fw_session == NULL);
return 0;
}
static int
sfw_debug_session(struct srpc_debug_reqst *request,
struct srpc_debug_reply *reply)
{
struct sfw_session *sn = sfw_data.fw_session;
int cplen;
if (sn == NULL) {
reply->dbg_status = ESRCH;
reply->dbg_sid = get_old_sid(NULL);
return 0;
}
reply->dbg_status = 0;
reply->dbg_sid = get_old_sid(sn);
reply->dbg_timeout = sn->sn_timeout;
cplen = strscpy(reply->dbg_name, &sn->sn_name[0],
sizeof(reply->dbg_name));
if (cplen < 0)
return cplen;
return 0;
}
static void
sfw_test_rpc_fini(struct srpc_client_rpc *rpc)
{
struct sfw_test_unit *tsu = rpc->crpc_priv;
struct sfw_test_instance *tsi = tsu->tsu_instance;
/* Called with hold of tsi->tsi_lock */
LASSERT(list_empty(&rpc->crpc_list));
rpc->crpc_wi.swi_state = SWI_STATE_DONE;
list_add(&rpc->crpc_list, &tsi->tsi_free_rpcs);
}
static inline int
sfw_test_buffers(struct sfw_test_instance *tsi)
{
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);
}
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_tab)), svc->sv_name);
return 0;
}
static void
sfw_unload_test(struct sfw_test_instance *tsi)
{
struct sfw_test_case *tsc;
LASSERT(tsi != NULL);
tsc = sfw_find_test_case(tsi->tsi_service);
LASSERT(tsc != NULL);
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));
}
static void
sfw_destroy_test_instance(struct sfw_test_instance *tsi)
{
struct srpc_client_rpc *rpc;
struct sfw_test_unit *tsu;
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));
while (!list_empty(&tsi->tsi_units)) {
tsu = list_first_entry(&tsi->tsi_units,
struct sfw_test_unit, tsu_list);
list_del(&tsu->tsu_list);
LIBCFS_FREE(tsu, sizeof(*tsu));
}
while (!list_empty(&tsi->tsi_free_rpcs)) {
rpc = list_first_entry(&tsi->tsi_free_rpcs,
struct srpc_client_rpc, crpc_list);
list_del(&rpc->crpc_list);
swi_cancel_workitem(&rpc->crpc_wi);
LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
}
clean:
sfw_unload_test(tsi);
LIBCFS_FREE(tsi, sizeof(*tsi));
}
static void
sfw_destroy_batch(struct sfw_batch *tsb)
{
struct sfw_test_instance *tsi;
LASSERT(!sfw_batch_active(tsb));
LASSERT(list_empty(&tsb->bat_list));
while (!list_empty(&tsb->bat_tests)) {
tsi = list_first_entry(&tsb->bat_tests,
struct sfw_test_instance, tsi_list);
list_del_init(&tsi->tsi_list);
sfw_destroy_test_instance(tsi);
}
LIBCFS_FREE(tsb, sizeof(*tsb));
}
static void
sfw_destroy_session(struct sfw_session *sn)
{
struct sfw_batch *batch;
LASSERT(list_empty(&sn->sn_list));
LASSERT(sn != sfw_data.fw_session);
while (!list_empty(&sn->sn_batches)) {
batch = list_first_entry(&sn->sn_batches,
struct sfw_batch, bat_list);
list_del_init(&batch->bat_list);
sfw_destroy_batch(batch);
}
LIBCFS_FREE(sn, sizeof(*sn));
atomic_dec(&sfw_data.fw_nzombies);
}
static void
sfw_unpack_addtest_req(struct srpc_msg *msg)
{
struct srpc_test_reqst *req = &msg->msg_body.tes_reqst;
LASSERT(msg->msg_type == SRPC_MSG_TEST_REQST);
LASSERT(req->tsr_is_client);
if (msg->msg_magic == SRPC_MSG_MAGIC)
return; /* no flipping needed */
LASSERT(msg->msg_magic == __swab32(SRPC_MSG_MAGIC));
if (req->tsr_service == SRPC_SERVICE_BRW) {
if ((msg->msg_ses_feats & LST_FEAT_BULK_LEN) == 0) {
struct test_bulk_req *bulk = &req->tsr_u.bulk_v0;
__swab32s(&bulk->blk_opc);
__swab32s(&bulk->blk_npg);
__swab32s(&bulk->blk_flags);
} else {
struct test_bulk_req_v1 *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) {
struct test_ping_req *ping = &req->tsr_u.ping;
__swab32s(&ping->png_size);
__swab32s(&ping->png_flags);
return;
}
LBUG();
}
static int
sfw_add_test_instance(struct sfw_batch *tsb, struct srpc_server_rpc *rpc)
{
struct srpc_msg *msg = &rpc->srpc_reqstbuf->buf_msg;
struct srpc_test_reqst *req = &msg->msg_body.tes_reqst;
struct srpc_bulk *bk = rpc->srpc_bulk;
int ndest = req->tsr_ndest;
struct sfw_test_unit *tsu;
struct sfw_test_instance *tsi;
int i;
int rc;
LIBCFS_ALLOC(tsi, sizeof(*tsi));
if (tsi == NULL) {
CERROR("Can't allocate test instance for batch: %llu: rc = %d\n",
tsb->bat_id.bat_id, -ENOMEM);
return -ENOMEM;
}
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) {
LIBCFS_FREE(tsi, sizeof(*tsi));
return rc;
}
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;
}
LASSERT(bk != NULL);
LASSERT(bk->bk_niov * SFW_ID_PER_PAGE >= (unsigned int)ndest);
LASSERT((unsigned int)bk->bk_len >=
sizeof(struct lnet_process_id_packed) * ndest);
sfw_unpack_addtest_req(msg);
memcpy(&tsi->tsi_u, &req->tsr_u, sizeof(tsi->tsi_u));
for (i = 0; i < ndest; i++) {
struct lnet_process_id_packed *dests;
struct lnet_process_id_packed id;
int j;
dests = page_address(bk->bk_iovs[i / SFW_ID_PER_PAGE].bv_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);
for (j = 0; j < tsi->tsi_concur; j++) {
LIBCFS_ALLOC(tsu, sizeof(*tsu));
if (tsu == NULL) {
rc = -ENOMEM;
CERROR("Can't allocate tsu for %d: rc = %d\n",
tsi->tsi_service, rc);
goto error;
}
lnet_nid4_to_nid(id.nid, &tsu->tsu_dest.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;
}
error:
LASSERT(rc != 0);
sfw_destroy_test_instance(tsi);
return rc;
}
static void
sfw_test_unit_done(struct sfw_test_unit *tsu)
{
struct sfw_test_instance *tsi = tsu->tsu_instance;
struct sfw_batch *tsb = tsi->tsi_batch;
struct sfw_session *sn = tsb->bat_session;
LASSERT(sfw_test_active(tsi));
if (!atomic_dec_and_test(&tsi->tsi_nactive))
return;
/* the test instance is done */
spin_lock(&tsi->tsi_lock);
tsi->tsi_stopping = 0;
spin_unlock(&tsi->tsi_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);
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;
}
}
list_del_init(&sn->sn_list);
spin_unlock(&sfw_data.fw_lock);
sfw_destroy_session(sn);
}
static void
sfw_test_rpc_done(struct srpc_client_rpc *rpc)
{
struct sfw_test_unit *tsu = rpc->crpc_priv;
struct sfw_test_instance *tsi = tsu->tsu_instance;
int done = 0;
tsi->tsi_ops->tso_done_rpc(tsu, rpc);
spin_lock(&tsi->tsi_lock);
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 ||
(rpc->crpc_status != 0 && tsi->tsi_stoptsu_onerr))
done = 1;
/* dec ref for poster */
srpc_client_rpc_decref(rpc);
spin_unlock(&tsi->tsi_lock);
if (!done) {
swi_schedule_workitem(&tsu->tsu_worker);
return;
}
sfw_test_unit_done(tsu);
}
int
sfw_create_test_rpc(struct sfw_test_unit *tsu, struct lnet_processid *peer,
unsigned features, int nblk, int blklen,
struct srpc_client_rpc **rpcpp)
{
struct srpc_client_rpc *rpc = NULL;
struct sfw_test_instance *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_first_entry(&tsi->tsi_free_rpcs,
struct srpc_client_rpc, 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 {
swi_cancel_workitem(&rpc->crpc_wi);
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: rc = %d\n",
tsi->tsi_service, -ENOMEM);
return -ENOMEM;
}
rpc->crpc_reqstmsg.msg_ses_feats = features;
*rpcpp = rpc;
return 0;
}
static void
sfw_run_test(struct swi_workitem *wi)
{
struct sfw_test_unit *tsu = container_of(wi, struct sfw_test_unit,
tsu_worker);
struct sfw_test_instance *tsi = tsu->tsu_instance;
struct srpc_client_rpc *rpc = NULL;
if (tsi->tsi_ops->tso_prep_rpc(tsu, &tsu->tsu_dest, &rpc) != 0) {
LASSERT(rpc == NULL);
wi->swi_state = SWI_STATE_DONE;
goto test_done;
}
LASSERT(rpc != NULL);
spin_lock(&tsi->tsi_lock);
if (wi->swi_state == SWI_STATE_DONE) {
spin_unlock(&tsi->tsi_lock);
return;
}
if (tsi->tsi_stopping) {
wi->swi_state = SWI_STATE_DONE;
list_add(&rpc->crpc_list, &tsi->tsi_free_rpcs);
spin_unlock(&tsi->tsi_lock);
goto test_done;
}
if (tsu->tsu_loop > 0)
tsu->tsu_loop--;
list_add_tail(&rpc->crpc_list, &tsi->tsi_active_rpcs);
wi->swi_state = SWI_STATE_RUNNING;
spin_unlock(&tsi->tsi_lock);
spin_lock(&rpc->crpc_lock);
rpc->crpc_timeout = rpc_timeout;
srpc_post_rpc(rpc);
spin_unlock(&rpc->crpc_lock);
return;
test_done:
/*
* No one can schedule me now since:
* - previous RPC, if any, has done and
* - no new RPC is initiated.
* - my batch is still active; no one can run it again now.
* Cancel pending schedules and prevent future schedule attempts:
*/
sfw_test_unit_done(tsu);
}
static int
sfw_run_batch(struct sfw_batch *tsb)
{
struct swi_workitem *wi;
struct sfw_test_unit *tsu;
struct sfw_test_instance *tsi;
if (sfw_batch_active(tsb)) {
CDEBUG(D_NET, "Batch already active: %llu (%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));
atomic_inc(&tsb->bat_nactive);
list_for_each_entry(tsu, &tsi->tsi_units, tsu_list) {
int cpt = lnet_nid2cpt(&tsu->tsu_dest.nid, NULL);
atomic_inc(&tsi->tsi_nactive);
tsu->tsu_loop = tsi->tsi_loop;
wi = &tsu->tsu_worker;
swi_init_workitem(wi, sfw_run_test, lst_test_wq[cpt]);
swi_schedule_workitem(wi);
}
}
return 0;
}
static int
sfw_stop_batch(struct sfw_batch *tsb, int force)
{
struct sfw_test_instance *tsi;
struct srpc_client_rpc *rpc;
if (!sfw_batch_active(tsb)) {
CDEBUG(D_NET, "Batch %llu inactive\n", tsb->bat_id.bat_id);
return 0;
}
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;
}
tsi->tsi_stopping = 1;
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);
srpc_abort_rpc(rpc, -EINTR);
spin_unlock(&rpc->crpc_lock);
}
spin_unlock(&tsi->tsi_lock);
}
return 0;
}
static int
sfw_query_batch(struct sfw_batch *tsb, int testidx,
struct srpc_batch_reply *reply)
{
struct sfw_test_instance *tsi;
if (testidx < 0)
return -EINVAL;
if (testidx == 0) {
reply->bar_active = atomic_read(&tsb->bat_nactive);
return 0;
}
list_for_each_entry(tsi, &tsb->bat_tests, tsi_list) {
if (testidx-- > 1)
continue;
reply->bar_active = atomic_read(&tsi->tsi_nactive);
return 0;
}
return -ENOENT;
}
int
sfw_alloc_pages(struct srpc_server_rpc *rpc, int cpt, int len,
int sink)
{
LASSERT(rpc->srpc_bulk == NULL);
LASSERT(len > 0 && len <= LNET_MTU);
rpc->srpc_bulk = srpc_alloc_bulk(cpt, len);
if (rpc->srpc_bulk == NULL)
return -ENOMEM;
srpc_init_bulk(rpc->srpc_bulk, 0, len, sink);
return 0;
}
static int
sfw_add_test(struct srpc_server_rpc *rpc)
{
struct sfw_session *sn = sfw_data.fw_session;
struct srpc_test_reply *reply = &rpc->srpc_replymsg.msg_body.tes_reply;
struct srpc_test_reqst *request;
int rc;
struct sfw_batch *bat;
request = &rpc->srpc_reqstbuf->buf_msg.msg_body.tes_reqst;
reply->tsr_sid = get_old_sid(sn);
if (request->tsr_loop == 0 || request->tsr_concur == 0 ||
request->tsr_sid.ses_nid == LNET_NID_ANY ||
request->tsr_ndest > SFW_MAX_NDESTS ||
(request->tsr_is_client && request->tsr_ndest == 0) ||
request->tsr_concur > SFW_MAX_CONCUR ||
request->tsr_service >= SRPC_SERVICE_MAX_ID ||
request->tsr_service <= SRPC_FRAMEWORK_SERVICE_MAX_ID) {
reply->tsr_status = EINVAL;
return 0;
}
if (sn == NULL || !sfw_sid_equal(request->tsr_sid, sn->sn_id) ||
sfw_find_test_case(request->tsr_service) == NULL) {
reply->tsr_status = ENOENT;
return 0;
}
bat = sfw_bid2batch(request->tsr_bid);
if (bat == NULL) {
CERROR("dropping RPC %s from %s under memory pressure: rc = %d\n",
rpc->srpc_scd->scd_svc->sv_name,
libcfs_idstr(&rpc->srpc_peer), -ENOMEM);
return -ENOMEM;
}
if (sfw_batch_active(bat)) {
reply->tsr_status = EBUSY;
return 0;
}
if (request->tsr_is_client && rpc->srpc_bulk == NULL) {
/* rpc will be resumed later in sfw_bulk_ready */
int len;
len = sizeof(struct lnet_process_id_packed) *
request->tsr_ndest;
return sfw_alloc_pages(rpc, CFS_CPT_ANY, len, 1);
}
rc = sfw_add_test_instance(bat, rpc);
CDEBUG(rc == 0 ? D_NET : D_WARNING,
"%s test: sv %d %s, loop %d, concur %d, ndest %d\n",
rc == 0 ? "Added" : "Failed to add", request->tsr_service,
request->tsr_is_client ? "client" : "server",
request->tsr_loop, request->tsr_concur, request->tsr_ndest);
reply->tsr_status = (rc < 0) ? -rc : rc;
return 0;
}
static int
sfw_control_batch(struct srpc_batch_reqst *request,
struct srpc_batch_reply *reply)
{
struct sfw_session *sn = sfw_data.fw_session;
struct sfw_batch *bat;
int rc = 0;
reply->bar_sid = get_old_sid(sn);
if (sn == NULL || !sfw_sid_equal(request->bar_sid, sn->sn_id)) {
reply->bar_status = ESRCH;
return 0;
}
bat = sfw_find_batch(request->bar_bid);
if (bat == NULL) {
reply->bar_status = ENOENT;
return 0;
}
switch (request->bar_opc) {
case SRPC_BATCH_OPC_RUN:
rc = sfw_run_batch(bat);
break;
case SRPC_BATCH_OPC_STOP:
rc = sfw_stop_batch(bat, request->bar_arg);
break;
case SRPC_BATCH_OPC_QUERY:
rc = sfw_query_batch(bat, request->bar_testidx, reply);
break;
default:
return -EINVAL; /* drop it */
}
reply->bar_status = (rc < 0) ? -rc : rc;
return 0;
}
static int
sfw_handle_server_rpc(struct srpc_server_rpc *rpc)
{
struct srpc_service *sv = rpc->srpc_scd->scd_svc;
struct srpc_msg *reply = &rpc->srpc_replymsg;
struct srpc_msg *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: rc = %d\n",
sv->sv_name, libcfs_idstr(&rpc->srpc_peer), -EAGAIN);
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) {
struct sfw_session *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.ses_stamp = sn->sn_id.ses_stamp;
reply->msg_body.reply.sid.ses_nid =
lnet_nid_to_nid4(&sn->sn_id.ses_nid);
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) {
case SRPC_SERVICE_TEST:
rc = sfw_add_test(rpc);
break;
case SRPC_SERVICE_BATCH:
rc = sfw_control_batch(&request->msg_body.bat_reqst,
&reply->msg_body.bat_reply);
break;
case SRPC_SERVICE_QUERY_STAT:
rc = sfw_get_stats(&request->msg_body.stat_reqst,
&reply->msg_body.stat_reply);
break;
case SRPC_SERVICE_DEBUG:
rc = sfw_debug_session(&request->msg_body.dbg_reqst,
&reply->msg_body.dbg_reply);
break;
case SRPC_SERVICE_MAKE_SESSION:
rc = sfw_make_session(&request->msg_body.mksn_reqst,
&reply->msg_body.mksn_reply);
break;
case SRPC_SERVICE_REMOVE_SESSION:
rc = sfw_remove_session(&request->msg_body.rmsn_reqst,
&reply->msg_body.rmsn_reply);
break;
default:
LASSERTF(0, "sv_id bad %u\n", sv->sv_id);
}
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);
if (!sfw_data.fw_shuttingdown)
sfw_add_session_timer();
sfw_data.fw_active_srpc = NULL;
spin_unlock(&sfw_data.fw_lock);
return rc;
}
static int
sfw_bulk_ready(struct srpc_server_rpc *rpc, int status)
{
struct srpc_service *sv = rpc->srpc_scd->scd_svc;
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: rc = %d\n",
sv->sv_name, libcfs_idstr(&rpc->srpc_peer), status, -EIO);
spin_unlock(&sfw_data.fw_lock);
return -EIO;
}
if (sfw_data.fw_shuttingdown) {
spin_unlock(&sfw_data.fw_lock);
return -ESHUTDOWN;
}
if (sfw_del_session_timer() != 0) {
CERROR("dropping RPC %s from %s: racing with expiry timer: rc = %d\n",
sv->sv_name, libcfs_idstr(&rpc->srpc_peer), -EAGAIN);
spin_unlock(&sfw_data.fw_lock);
return -EAGAIN;
}
sfw_data.fw_active_srpc = rpc;
spin_unlock(&sfw_data.fw_lock);
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;
}
struct srpc_client_rpc *
sfw_create_rpc(struct lnet_processid *peer, int service,
unsigned features, int nbulkiov, int bulklen,
void (*done)(struct srpc_client_rpc *), void *priv)
{
struct srpc_client_rpc *rpc = NULL;
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_first_entry(&sfw_data.fw_zombie_rpcs,
struct srpc_client_rpc, crpc_list);
list_del(&rpc->crpc_list);
}
spin_unlock(&sfw_data.fw_lock);
if (rpc) {
/* Ensure that rpc is done */
swi_cancel_workitem(&rpc->crpc_wi);
srpc_init_client_rpc(rpc, peer, service, 0, 0,
done, sfw_client_rpc_fini, priv);
} else {
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;
return rpc;
}
void
sfw_unpack_message(struct srpc_msg *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));
if (msg->msg_type == SRPC_MSG_STAT_REQST) {
struct srpc_stat_reqst *req = &msg->msg_body.stat_reqst;
__swab32s(&req->str_type);
__swab64s(&req->str_rpyid);
sfw_unpack_sid(req->str_sid);
return;
}
if (msg->msg_type == SRPC_MSG_STAT_REPLY) {
struct srpc_stat_reply *rep = &msg->msg_body.stat_reply;
__swab32s(&rep->str_status);
sfw_unpack_sid(rep->str_sid);
sfw_unpack_fw_counters(rep->str_fw);
sfw_unpack_rpc_counters(rep->str_rpc);
sfw_unpack_lnet_counters(rep->str_lnet);
return;
}
if (msg->msg_type == SRPC_MSG_MKSN_REQST) {
struct srpc_mksn_reqst *req = &msg->msg_body.mksn_reqst;
__swab64s(&req->mksn_rpyid);
__swab32s(&req->mksn_force);
sfw_unpack_sid(req->mksn_sid);
return;
}
if (msg->msg_type == SRPC_MSG_MKSN_REPLY) {
struct srpc_mksn_reply *rep = &msg->msg_body.mksn_reply;
__swab32s(&rep->mksn_status);
__swab32s(&rep->mksn_timeout);
sfw_unpack_sid(rep->mksn_sid);
return;
}
if (msg->msg_type == SRPC_MSG_RMSN_REQST) {
struct srpc_rmsn_reqst *req = &msg->msg_body.rmsn_reqst;
__swab64s(&req->rmsn_rpyid);
sfw_unpack_sid(req->rmsn_sid);
return;
}
if (msg->msg_type == SRPC_MSG_RMSN_REPLY) {
struct srpc_rmsn_reply *rep = &msg->msg_body.rmsn_reply;
__swab32s(&rep->rmsn_status);
sfw_unpack_sid(rep->rmsn_sid);
return;
}
if (msg->msg_type == SRPC_MSG_DEBUG_REQST) {
struct srpc_debug_reqst *req = &msg->msg_body.dbg_reqst;
__swab64s(&req->dbg_rpyid);
__swab32s(&req->dbg_flags);
sfw_unpack_sid(req->dbg_sid);
return;
}
if (msg->msg_type == SRPC_MSG_DEBUG_REPLY) {
struct srpc_debug_reply *rep = &msg->msg_body.dbg_reply;
__swab32s(&rep->dbg_nbatch);
__swab32s(&rep->dbg_timeout);
sfw_unpack_sid(rep->dbg_sid);
return;
}
if (msg->msg_type == SRPC_MSG_BATCH_REQST) {
struct srpc_batch_reqst *req = &msg->msg_body.bat_reqst;
__swab32s(&req->bar_opc);
__swab64s(&req->bar_rpyid);
__swab32s(&req->bar_testidx);
__swab32s(&req->bar_arg);
sfw_unpack_sid(req->bar_sid);
__swab64s(&req->bar_bid.bat_id);
return;
}
if (msg->msg_type == SRPC_MSG_BATCH_REPLY) {
struct srpc_batch_reply *rep = &msg->msg_body.bat_reply;
__swab32s(&rep->bar_status);
sfw_unpack_sid(rep->bar_sid);
return;
}
if (msg->msg_type == SRPC_MSG_TEST_REQST) {
struct srpc_test_reqst *req = &msg->msg_body.tes_reqst;
__swab64s(&req->tsr_rpyid);
__swab64s(&req->tsr_bulkid);
__swab32s(&req->tsr_loop);
__swab32s(&req->tsr_ndest);
__swab32s(&req->tsr_concur);
__swab32s(&req->tsr_service);
sfw_unpack_sid(req->tsr_sid);
__swab64s(&req->tsr_bid.bat_id);
return;
}
if (msg->msg_type == SRPC_MSG_TEST_REPLY) {
struct srpc_test_reply *rep = &msg->msg_body.tes_reply;
__swab32s(&rep->tsr_status);
sfw_unpack_sid(rep->tsr_sid);
return;
}
if (msg->msg_type == SRPC_MSG_JOIN_REQST) {
struct srpc_join_reqst *req = &msg->msg_body.join_reqst;
__swab64s(&req->join_rpyid);
sfw_unpack_sid(req->join_sid);
return;
}
if (msg->msg_type == SRPC_MSG_JOIN_REPLY) {
struct srpc_join_reply *rep = &msg->msg_body.join_reply;
__swab32s(&rep->join_status);
__swab32s(&rep->join_timeout);
sfw_unpack_sid(rep->join_sid);
return;
}
LBUG();
}
void
sfw_abort_rpc(struct srpc_client_rpc *rpc)
{
LASSERT(rpc->crpc_service <= SRPC_FRAMEWORK_SERVICE_MAX_ID);
spin_lock(&rpc->crpc_lock);
srpc_abort_rpc(rpc, -EINTR);
spin_unlock(&rpc->crpc_lock);
}
void
sfw_post_rpc(struct srpc_client_rpc *rpc)
{
spin_lock(&rpc->crpc_lock);
LASSERT(!rpc->crpc_closed);
LASSERT(!rpc->crpc_aborted);
LASSERT(list_empty(&rpc->crpc_list));
LASSERT(!sfw_data.fw_shuttingdown);
rpc->crpc_timeout = rpc_timeout;
srpc_post_rpc(rpc);
spin_unlock(&rpc->crpc_lock);
}
#if 0
static struct srpc_service sfw_services[] = {
{ .sv_id = SRPC_SERVICE_DEBUG, .sv_name = "debug", },
{ .sv_id = SRPC_SERVICE_QUERY_STAT, .sv_name = "query stats", },
{ .sv_id = SRPC_SERVICE_MAKE_SESSION, .sv_name = "make session", },
{ .sv_id = SRPC_SERVICE_REMOVE_SESSION, .sv_name = "remove session", },
{ .sv_id = SRPC_SERVICE_BATCH, .sv_name = "batch service", },
{ .sv_id = SRPC_SERVICE_TEST, .sv_name = "test service", },
{ .sv_id = 0, } };
#endif
int
sfw_startup(void)
{
struct srpc_service *sv;
struct sfw_test_case *tsc;
int i, rc, error;
if (session_timeout < 0) {
CERROR("Session timeout must be non-negative: %d: rc = %d\n",
session_timeout, -EINVAL);
return -EINVAL;
}
if (rpc_timeout < 0) {
CERROR("RPC timeout must be non-negative: %d: rc = %d\n",
rpc_timeout, -EINVAL);
return -EINVAL;
}
if (session_timeout == 0)
CWARN("Zero session_timeout specified - 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);
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_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;
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];
if (sv->sv_name == NULL)
break;
sv->sv_bulk_ready = NULL;
sv->sv_handler = sfw_handle_server_rpc;
sv->sv_wi_total = SFW_FRWK_WI_MAX;
if (sv->sv_id == SRPC_SERVICE_TEST)
sv->sv_bulk_ready = sfw_bulk_ready;
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;
}
/* about to sfw_shutdown, no need to add buffer */
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)
sfw_shutdown();
return error;
}
void
sfw_shutdown(void)
{
struct srpc_service *sv;
struct sfw_test_case *tsc;
int i;
spin_lock(&sfw_data.fw_lock);
sfw_data.fw_shuttingdown = 1;
lst_wait_until(sfw_data.fw_active_srpc == NULL, sfw_data.fw_lock,
"waiting for active RPC to finish.\n");
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,
sfw_data.fw_lock,
"waiting for %d zombie sessions to die.\n",
atomic_read(&sfw_data.fw_nzombies));
spin_unlock(&sfw_data.fw_lock);
for (i = 0; ; i++) {
sv = &sfw_services[i];
if (sv->sv_name == NULL)
break;
srpc_shutdown_service(sv);
srpc_remove_service(sv);
}
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)) {
struct srpc_client_rpc *rpc;
rpc = list_first_entry(&sfw_data.fw_zombie_rpcs,
struct srpc_client_rpc, crpc_list);
list_del(&rpc->crpc_list);
LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
}
for (i = 0; ; i++) {
sv = &sfw_services[i];
if (sv->sv_name == NULL)
break;
srpc_wait_service_shutdown(sv);
}
while (!list_empty(&sfw_data.fw_tests)) {
tsc = list_first_entry(&sfw_data.fw_tests,
struct sfw_test_case, tsc_list);
srpc_wait_service_shutdown(tsc->tsc_srv_service);
list_del(&tsc->tsc_list);
LIBCFS_FREE(tsc, sizeof(*tsc));
}
}
