/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
}
static int
-lstcon_group_find(char *name, lstcon_group_t **grpp)
+lstcon_group_find(const char *name, lstcon_group_t **grpp)
{
- lstcon_group_t *grp;
+ lstcon_group_t *grp;
- cfs_list_for_each_entry_typed(grp, &console_session.ses_grp_list,
- lstcon_group_t, grp_link) {
- if (strncmp(grp->grp_name, name, LST_NAME_SIZE) != 0)
- continue;
+ cfs_list_for_each_entry_typed(grp, &console_session.ses_grp_list,
+ lstcon_group_t, grp_link) {
+ if (strncmp(grp->grp_name, name, LST_NAME_SIZE) != 0)
+ continue;
- lstcon_group_addref(grp); /* +1 ref for caller */
- *grpp = grp;
- return 0;
- }
+ lstcon_group_addref(grp); /* +1 ref for caller */
+ *grpp = grp;
+ return 0;
+ }
- return -ENOENT;
+ return -ENOENT;
}
static void
lstcon_ndlink_t **ndlpp, int create)
{
int rc;
-
+
rc = lstcon_ndlink_find(&grp->grp_ndl_hash[0], id, ndlpp, create);
if (rc != 0)
return rc;
case LST_TRANS_SESQRY:
rep = &msg->msg_body.dbg_reply;
- if (cfs_copy_to_user(&ent_up->rpe_priv[0],
+ if (copy_to_user(&ent_up->rpe_priv[0],
&rep->dbg_timeout, sizeof(int)) ||
- cfs_copy_to_user(&ent_up->rpe_payload[0],
+ copy_to_user(&ent_up->rpe_payload[0],
&rep->dbg_name, LST_NAME_SIZE))
return -EFAULT;
}
static int
-lstcon_group_nodes_add(lstcon_group_t *grp, int count,
- lnet_process_id_t *ids_up,
- cfs_list_t *result_up)
+lstcon_group_nodes_add(lstcon_group_t *grp,
+ int count, lnet_process_id_t *ids_up,
+ unsigned *featp, cfs_list_t *result_up)
{
lstcon_rpc_trans_t *trans;
lstcon_ndlink_t *ndl;
}
for (i = 0 ; i < count; i++) {
- if (cfs_copy_from_user(&id, &ids_up[i], sizeof(id))) {
+ if (copy_from_user(&id, &ids_up[i], sizeof(id))) {
rc = -EFAULT;
break;
}
rc = lstcon_rpc_trans_interpreter(trans, result_up,
lstcon_sesrpc_readent);
+ *featp = trans->tas_features;
+
/* destroy all RPGs */
lstcon_rpc_trans_destroy(trans);
}
for (i = 0; i < count; i++) {
- if (cfs_copy_from_user(&id, &ids_up[i], sizeof(id))) {
+ if (copy_from_user(&id, &ids_up[i], sizeof(id))) {
rc = -EFAULT;
goto error;
}
}
int
-lstcon_nodes_add(char *name, int count,
- lnet_process_id_t *ids_up, cfs_list_t *result_up)
+lstcon_nodes_add(char *name, int count, lnet_process_id_t *ids_up,
+ unsigned *featp, cfs_list_t *result_up)
{
lstcon_group_t *grp;
int rc;
return -EBUSY;
}
- rc = lstcon_group_nodes_add(grp, count, ids_up, result_up);
+ rc = lstcon_group_nodes_add(grp, count, ids_up, featp, result_up);
lstcon_group_put(grp);
cfs_list_for_each_entry_typed(grp, &console_session.ses_grp_list,
lstcon_group_t, grp_link) {
if (index-- == 0) {
- return cfs_copy_to_user(name_up, grp->grp_name, len) ?
+ return copy_to_user(name_up, grp->grp_name, len) ?
-EFAULT : 0;
}
}
break;
nd = ndl->ndl_node;
- if (cfs_copy_to_user(&dents_up[count].nde_id,
+ if (copy_to_user(&dents_up[count].nde_id,
&nd->nd_id, sizeof(nd->nd_id)) ||
- cfs_copy_to_user(&dents_up[count].nde_state,
+ copy_to_user(&dents_up[count].nde_state,
&nd->nd_state, sizeof(nd->nd_state)))
return -EFAULT;
lstcon_ndlink_t, ndl_link)
LST_NODE_STATE_COUNTER(ndl->ndl_node, gentp);
- rc = cfs_copy_to_user(gents_p, gentp,
+ rc = copy_to_user(gents_p, gentp,
sizeof(lstcon_ndlist_ent_t)) ? -EFAULT: 0;
LIBCFS_FREE(gentp, sizeof(lstcon_ndlist_ent_t));
return 0;
}
-int
-lstcon_batch_find(char *name, lstcon_batch_t **batpp)
+static int
+lstcon_batch_find(const char *name, lstcon_batch_t **batpp)
{
- lstcon_batch_t *bat;
+ lstcon_batch_t *bat;
- cfs_list_for_each_entry_typed(bat, &console_session.ses_bat_list,
- lstcon_batch_t, bat_link) {
- if (strncmp(bat->bat_name, name, LST_NAME_SIZE) == 0) {
- *batpp = bat;
- return 0;
- }
- }
+ cfs_list_for_each_entry_typed(bat, &console_session.ses_bat_list,
+ lstcon_batch_t, bat_link) {
+ if (strncmp(bat->bat_name, name, LST_NAME_SIZE) == 0) {
+ *batpp = bat;
+ return 0;
+ }
+ }
- return -ENOENT;
+ return -ENOENT;
}
int
cfs_list_for_each_entry_typed(bat, &console_session.ses_bat_list,
lstcon_batch_t, bat_link) {
if (index-- == 0) {
- return cfs_copy_to_user(name_up,bat->bat_name, len) ?
+ return copy_to_user(name_up, bat->bat_name, len) ?
-EFAULT: 0;
}
}
cfs_list_for_each_entry_typed(ndl, srvlst, lstcon_ndlink_t, ndl_link)
LST_NODE_STATE_COUNTER(ndl->ndl_node, &entp->tbe_srv_nle);
- rc = cfs_copy_to_user(ent_up, entp,
+ rc = copy_to_user(ent_up, entp,
sizeof(lstcon_test_batch_ent_t)) ? -EFAULT : 0;
LIBCFS_FREE(entp, sizeof(lstcon_test_batch_ent_t));
goto again;
}
-int
-lstcon_test_add(char *name, int type, int loop, int concur,
- int dist, int span, char *src_name, char * dst_name,
- void *param, int paramlen, int *retp,
- cfs_list_t *result_up)
+static int
+lstcon_verify_batch(const char *name, lstcon_batch_t **batch)
{
- lstcon_group_t *src_grp = NULL;
- lstcon_group_t *dst_grp = NULL;
- lstcon_test_t *test = NULL;
- lstcon_batch_t *batch;
- int rc;
-
- rc = lstcon_batch_find(name, &batch);
- if (rc != 0) {
- CDEBUG(D_NET, "Can't find batch %s\n", name);
- return rc;
- }
-
- if (batch->bat_state != LST_BATCH_IDLE) {
- CDEBUG(D_NET, "Can't change running batch %s\n", name);
- return rc;
- }
-
- rc = lstcon_group_find(src_name, &src_grp);
- if (rc != 0) {
- CDEBUG(D_NET, "Can't find group %s\n", src_name);
- goto out;
- }
-
- rc = lstcon_group_find(dst_name, &dst_grp);
- if (rc != 0) {
- CDEBUG(D_NET, "Can't find group %s\n", dst_name);
- goto out;
- }
+ int rc;
- if (dst_grp->grp_userland)
- *retp = 1;
-
- LIBCFS_ALLOC(test, offsetof(lstcon_test_t, tes_param[paramlen]));
- if (!test) {
- CERROR("Can't allocate test descriptor\n");
- rc = -ENOMEM;
-
- goto out;
- }
+ rc = lstcon_batch_find(name, batch);
+ if (rc != 0) {
+ CDEBUG(D_NET, "Can't find batch %s\n", name);
+ return rc;
+ }
- memset(test, 0, offsetof(lstcon_test_t, tes_param[paramlen]));
- test->tes_hdr.tsb_id = batch->bat_hdr.tsb_id;
- test->tes_batch = batch;
- test->tes_type = type;
- test->tes_oneside = 0; /* TODO */
- test->tes_loop = loop;
- test->tes_concur = concur;
- test->tes_stop_onerr = 1; /* TODO */
- test->tes_span = span;
- test->tes_dist = dist;
- test->tes_cliidx = 0; /* just used for creating RPC */
- test->tes_src_grp = src_grp;
- test->tes_dst_grp = dst_grp;
- CFS_INIT_LIST_HEAD(&test->tes_trans_list);
+ if ((*batch)->bat_state != LST_BATCH_IDLE) {
+ CDEBUG(D_NET, "Can't change running batch %s\n", name);
+ return -EINVAL;
+ }
- if (param != NULL) {
- test->tes_paramlen = paramlen;
- memcpy(&test->tes_param[0], param, paramlen);
- }
+ return 0;
+}
- rc = lstcon_test_nodes_add(test, result_up);
+static int
+lstcon_verify_group(const char *name, lstcon_group_t **grp)
+{
+ int rc;
+ lstcon_ndlink_t *ndl;
- if (rc != 0)
- goto out;
+ rc = lstcon_group_find(name, grp);
+ if (rc != 0) {
+ CDEBUG(D_NET, "can't find group %s\n", name);
+ return rc;
+ }
- if (lstcon_trans_stat()->trs_rpc_errno != 0 ||
- lstcon_trans_stat()->trs_fwk_errno != 0)
- CDEBUG(D_NET, "Failed to add test %d to batch %s\n", type, name);
+ cfs_list_for_each_entry_typed(ndl, &(*grp)->grp_ndl_list,
+ lstcon_ndlink_t, ndl_link) {
+ if (ndl->ndl_node->nd_state == LST_NODE_ACTIVE) {
+ return 0;
+ }
+ }
- /* add to test list anyway, so user can check what's going on */
- cfs_list_add_tail(&test->tes_link, &batch->bat_test_list);
+ CDEBUG(D_NET, "Group %s has no ACTIVE nodes\n", name);
- batch->bat_ntest ++;
- test->tes_hdr.tsb_index = batch->bat_ntest;
+ return -EINVAL;
+}
- /* hold groups so nobody can change them */
- return rc;
+int
+lstcon_test_add(char *batch_name, int type, int loop,
+ int concur, int dist, int span,
+ char *src_name, char *dst_name,
+ void *param, int paramlen, int *retp,
+ cfs_list_t *result_up)
+{
+ lstcon_test_t *test = NULL;
+ int rc;
+ lstcon_group_t *src_grp = NULL;
+ lstcon_group_t *dst_grp = NULL;
+ lstcon_batch_t *batch = NULL;
+
+ /*
+ * verify that a batch of the given name exists, and the groups
+ * that will be part of the batch exist and have at least one
+ * active node
+ */
+ rc = lstcon_verify_batch(batch_name, &batch);
+ if (rc != 0)
+ goto out;
+
+ rc = lstcon_verify_group(src_name, &src_grp);
+ if (rc != 0)
+ goto out;
+
+ rc = lstcon_verify_group(dst_name, &dst_grp);
+ if (rc != 0)
+ goto out;
+
+ if (dst_grp->grp_userland)
+ *retp = 1;
+
+ LIBCFS_ALLOC(test, offsetof(lstcon_test_t, tes_param[paramlen]));
+ if (!test) {
+ CERROR("Can't allocate test descriptor\n");
+ rc = -ENOMEM;
+
+ goto out;
+ }
+
+ memset(test, 0, offsetof(lstcon_test_t, tes_param[paramlen]));
+ test->tes_hdr.tsb_id = batch->bat_hdr.tsb_id;
+ test->tes_batch = batch;
+ test->tes_type = type;
+ test->tes_oneside = 0; /* TODO */
+ test->tes_loop = loop;
+ test->tes_concur = concur;
+ test->tes_stop_onerr = 1; /* TODO */
+ test->tes_span = span;
+ test->tes_dist = dist;
+ test->tes_cliidx = 0; /* just used for creating RPC */
+ test->tes_src_grp = src_grp;
+ test->tes_dst_grp = dst_grp;
+ CFS_INIT_LIST_HEAD(&test->tes_trans_list);
+
+ if (param != NULL) {
+ test->tes_paramlen = paramlen;
+ memcpy(&test->tes_param[0], param, paramlen);
+ }
+
+ rc = lstcon_test_nodes_add(test, result_up);
+
+ if (rc != 0)
+ goto out;
+
+ if (lstcon_trans_stat()->trs_rpc_errno != 0 ||
+ lstcon_trans_stat()->trs_fwk_errno != 0)
+ CDEBUG(D_NET, "Failed to add test %d to batch %s\n", type,
+ batch_name);
+
+ /* add to test list anyway, so user can check what's going on */
+ cfs_list_add_tail(&test->tes_link, &batch->bat_test_list);
+
+ batch->bat_ntest++;
+ test->tes_hdr.tsb_index = batch->bat_ntest;
+
+ /* hold groups so nobody can change them */
+ return rc;
out:
- if (test != NULL)
- LIBCFS_FREE(test, offsetof(lstcon_test_t, tes_param[paramlen]));
+ if (test != NULL)
+ LIBCFS_FREE(test, offsetof(lstcon_test_t, tes_param[paramlen]));
- if (dst_grp != NULL)
- lstcon_group_put(dst_grp);
+ if (dst_grp != NULL)
+ lstcon_group_put(dst_grp);
- if (src_grp != NULL)
- lstcon_group_put(src_grp);
+ if (src_grp != NULL)
+ lstcon_group_put(src_grp);
- return rc;
+ return rc;
}
int
transop == LST_TRANS_TSBSRVQRY);
/* positive errno, framework error code */
- if (cfs_copy_to_user(&ent_up->rpe_priv[0],
+ if (copy_to_user(&ent_up->rpe_priv[0],
&rep->bar_active, sizeof(rep->bar_active)))
return -EFAULT;
srpc_stat = (srpc_counters_t *)((char *)sfwk_stat + sizeof(*sfwk_stat));
lnet_stat = (lnet_counters_t *)((char *)srpc_stat + sizeof(*srpc_stat));
- if (cfs_copy_to_user(sfwk_stat, &rep->str_fw, sizeof(*sfwk_stat)) ||
- cfs_copy_to_user(srpc_stat, &rep->str_rpc, sizeof(*srpc_stat)) ||
- cfs_copy_to_user(lnet_stat, &rep->str_lnet, sizeof(*lnet_stat)))
+ if (copy_to_user(sfwk_stat, &rep->str_fw, sizeof(*sfwk_stat)) ||
+ copy_to_user(srpc_stat, &rep->str_rpc, sizeof(*srpc_stat)) ||
+ copy_to_user(lnet_stat, &rep->str_lnet, sizeof(*lnet_stat)))
return -EFAULT;
return 0;
}
for (i = 0 ; i < count; i++) {
- if (cfs_copy_from_user(&id, &ids_up[i], sizeof(id))) {
+ if (copy_from_user(&id, &ids_up[i], sizeof(id))) {
rc = -EFAULT;
break;
}
}
for (i = 0; i < count; i++) {
- if (cfs_copy_from_user(&id, &ids_up[i], sizeof(id))) {
+ if (copy_from_user(&id, &ids_up[i], sizeof(id))) {
rc = -EFAULT;
break;
}
extern srpc_service_t lstcon_acceptor_service;
int
-lstcon_session_new(char *name, int key,
- int timeout,int force, lst_sid_t *sid_up)
+lstcon_session_new(char *name, int key, unsigned feats,
+ int timeout, int force, lst_sid_t *sid_up)
{
int rc = 0;
int i;
if (console_session.ses_state != LST_SESSION_NONE) {
/* session exists */
if (!force) {
- CERROR("Session %s already exists\n",
- console_session.ses_name);
+ CNETERR("Session %s already exists\n",
+ console_session.ses_name);
return -EEXIST;
}
return rc;
}
- for (i = 0; i < LST_GLOBAL_HASHSIZE; i++) {
- LASSERT (cfs_list_empty(&console_session.ses_ndl_hash[i]));
- }
+ if ((feats & ~LST_FEATS_MASK) != 0) {
+ CNETERR("Unknown session features %x\n",
+ (feats & ~LST_FEATS_MASK));
+ return -EINVAL;
+ }
+
+ for (i = 0; i < LST_GLOBAL_HASHSIZE; i++)
+ LASSERT(cfs_list_empty(&console_session.ses_ndl_hash[i]));
+
+ lstcon_new_session_id(&console_session.ses_id);
+
+ console_session.ses_key = key;
+ console_session.ses_state = LST_SESSION_ACTIVE;
+ console_session.ses_force = !!force;
+ console_session.ses_features = feats;
+ console_session.ses_feats_updated = 0;
+ console_session.ses_timeout = (timeout <= 0) ?
+ LST_CONSOLE_TIMEOUT : timeout;
+ strcpy(console_session.ses_name, name);
rc = lstcon_batch_add(LST_DEFAULT_BATCH);
if (rc != 0)
return rc;
}
- lstcon_new_session_id(&console_session.ses_id);
-
- console_session.ses_key = key;
- console_session.ses_state = LST_SESSION_ACTIVE;
- console_session.ses_force = !!force;
- console_session.ses_timeout = (timeout <= 0)? LST_CONSOLE_TIMEOUT:
- timeout;
- strcpy(console_session.ses_name, name);
-
- if (cfs_copy_to_user(sid_up, &console_session.ses_id,
+ if (copy_to_user(sid_up, &console_session.ses_id,
sizeof(lst_sid_t)) == 0)
return rc;
}
int
-lstcon_session_info(lst_sid_t *sid_up, int *key_up,
+lstcon_session_info(lst_sid_t *sid_up, int *key_up, unsigned *featp,
lstcon_ndlist_ent_t *ndinfo_up, char *name_up, int len)
{
lstcon_ndlist_ent_t *entp;
lstcon_ndlink_t, ndl_link)
LST_NODE_STATE_COUNTER(ndl->ndl_node, entp);
- if (cfs_copy_to_user(sid_up, &console_session.ses_id,
+ if (copy_to_user(sid_up, &console_session.ses_id,
sizeof(lst_sid_t)) ||
- cfs_copy_to_user(key_up, &console_session.ses_key, sizeof(int)) ||
- cfs_copy_to_user(ndinfo_up, entp, sizeof(*entp)) ||
- cfs_copy_to_user(name_up, console_session.ses_name, len))
+ copy_to_user(key_up, &console_session.ses_key,
+ sizeof(*key_up)) ||
+ copy_to_user(featp, &console_session.ses_features,
+ sizeof(*featp)) ||
+ copy_to_user(ndinfo_up, entp, sizeof(*entp)) ||
+ copy_to_user(name_up, console_session.ses_name, len))
rc = -EFAULT;
LIBCFS_FREE(entp, sizeof(*entp));
console_session.ses_state = LST_SESSION_NONE;
console_session.ses_key = 0;
console_session.ses_force = 0;
+ console_session.ses_feats_updated = 0;
/* destroy all batches */
while (!cfs_list_empty(&console_session.ses_bat_list)) {
return rc;
}
+int
+lstcon_session_feats_check(unsigned feats)
+{
+ int rc = 0;
+
+ if ((feats & ~LST_FEATS_MASK) != 0) {
+ CERROR("Can't support these features: %x\n",
+ (feats & ~LST_FEATS_MASK));
+ return -EPROTO;
+ }
+
+ spin_lock(&console_session.ses_rpc_lock);
+
+ if (!console_session.ses_feats_updated) {
+ console_session.ses_feats_updated = 1;
+ console_session.ses_features = feats;
+ }
+
+ if (console_session.ses_features != feats)
+ rc = -EPROTO;
+
+ spin_unlock(&console_session.ses_rpc_lock);
+
+ if (rc != 0) {
+ CERROR("remote features %x do not match with "
+ "session features %x of console\n",
+ feats, console_session.ses_features);
+ }
+
+ return rc;
+}
+
static int
lstcon_acceptor_handle (srpc_server_rpc_t *rpc)
{
sfw_unpack_message(req);
- cfs_mutex_lock(&console_session.ses_mutex);
+ mutex_lock(&console_session.ses_mutex);
jrep->join_sid = console_session.ses_id;
goto out;
}
+ if (lstcon_session_feats_check(req->msg_ses_feats) != 0) {
+ jrep->join_status = EPROTO;
+ goto out;
+ }
+
if (jreq->join_sid.ses_nid != LNET_NID_ANY &&
!lstcon_session_match(jreq->join_sid)) {
jrep->join_status = EBUSY;
jrep->join_status = 0;
out:
+ rep->msg_ses_feats = console_session.ses_features;
if (grp != NULL)
lstcon_group_put(grp);
- cfs_mutex_unlock(&console_session.ses_mutex);
+ mutex_unlock(&console_session.ses_mutex);
return rc;
}
memset(&console_session, 0, sizeof(lstcon_session_t));
- console_session.ses_id = LST_INVALID_SID;
- console_session.ses_state = LST_SESSION_NONE;
- console_session.ses_timeout = 0;
- console_session.ses_force = 0;
- console_session.ses_expired = 0;
- console_session.ses_laststamp = cfs_time_current_sec();
+ console_session.ses_id = LST_INVALID_SID;
+ console_session.ses_state = LST_SESSION_NONE;
+ console_session.ses_timeout = 0;
+ console_session.ses_force = 0;
+ console_session.ses_expired = 0;
+ console_session.ses_feats_updated = 0;
+ console_session.ses_features = LST_FEATS_MASK;
+ console_session.ses_laststamp = cfs_time_current_sec();
- cfs_mutex_init(&console_session.ses_mutex);
+ mutex_init(&console_session.ses_mutex);
CFS_INIT_LIST_HEAD(&console_session.ses_ndl_list);
CFS_INIT_LIST_HEAD(&console_session.ses_grp_list);
libcfs_deregister_ioctl(&lstcon_ioctl_handler);
- cfs_mutex_lock(&console_session.ses_mutex);
+ mutex_lock(&console_session.ses_mutex);
srpc_shutdown_service(&lstcon_acceptor_service);
srpc_remove_service(&lstcon_acceptor_service);
lstcon_rpc_module_fini();
- cfs_mutex_unlock(&console_session.ses_mutex);
+ mutex_unlock(&console_session.ses_mutex);
LASSERT (cfs_list_empty(&console_session.ses_ndl_list));
LASSERT (cfs_list_empty(&console_session.ses_grp_list));