[RSCN_FABRIC_ADDRESS] = 0x000000,
};
-struct ct_iu_gpn_ft_req {
- struct ct_hdr header;
- u8 flags;
- u8 domain_id_scope;
- u8 area_id_scope;
- u8 fc4_type;
-} __attribute__ ((packed));
-
struct gpn_ft_resp_acc {
u8 control;
u8 port_id[3];
unsigned long handler_data;
};
-static int zfcp_wka_port_get(struct zfcp_wka_port *wka_port)
+static int zfcp_fc_wka_port_get(struct zfcp_wka_port *wka_port)
{
if (mutex_lock_interruptible(&wka_port->mutex))
return -ERESTARTSYS;
return -EIO;
}
-static void zfcp_wka_port_offline(struct work_struct *work)
+static void zfcp_fc_wka_port_offline(struct work_struct *work)
{
struct delayed_work *dw = to_delayed_work(work);
struct zfcp_wka_port *wka_port =
mutex_unlock(&wka_port->mutex);
}
-static void zfcp_wka_port_put(struct zfcp_wka_port *wka_port)
+static void zfcp_fc_wka_port_put(struct zfcp_wka_port *wka_port)
{
if (atomic_dec_return(&wka_port->refcount) != 0)
return;
wka_port->status = ZFCP_WKA_PORT_OFFLINE;
atomic_set(&wka_port->refcount, 0);
mutex_init(&wka_port->mutex);
- INIT_DELAYED_WORK(&wka_port->work, zfcp_wka_port_offline);
+ INIT_DELAYED_WORK(&wka_port->work, zfcp_fc_wka_port_offline);
}
-void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *wka)
+static void zfcp_fc_wka_port_force_offline(struct zfcp_wka_port *wka)
{
cancel_delayed_work_sync(&wka->work);
mutex_lock(&wka->mutex);
mutex_unlock(&wka->mutex);
}
-void zfcp_fc_wka_ports_init(struct zfcp_adapter *adapter)
+void zfcp_fc_wka_ports_force_offline(struct zfcp_wka_ports *gs)
{
- struct zfcp_wka_ports *gs = adapter->gs;
-
- zfcp_fc_wka_port_init(&gs->ms, FC_FID_MGMT_SERV, adapter);
- zfcp_fc_wka_port_init(&gs->ts, FC_FID_TIME_SERV, adapter);
- zfcp_fc_wka_port_init(&gs->ds, FC_FID_DIR_SERV, adapter);
- zfcp_fc_wka_port_init(&gs->as, FC_FID_ALIASES, adapter);
- zfcp_fc_wka_port_init(&gs->ks, FC_FID_SEC_KEY, adapter);
+ zfcp_fc_wka_port_force_offline(&gs->ms);
+ zfcp_fc_wka_port_force_offline(&gs->ts);
+ zfcp_fc_wka_port_force_offline(&gs->ds);
+ zfcp_fc_wka_port_force_offline(&gs->as);
+ zfcp_fc_wka_port_force_offline(&gs->ks);
}
static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range,
read_lock_irqsave(&zfcp_data.config_lock, flags);
list_for_each_entry(port, &fsf_req->adapter->port_list_head, list) {
if ((port->d_id & range) == (elem->nport_did & range))
- zfcp_test_link(port);
+ zfcp_fc_test_link(port);
if (!port->d_id)
zfcp_erp_port_reopen(port,
ZFCP_STATUS_COMMON_ERP_FAILED,
(struct fsf_status_read_buffer *) fsf_req->data;
unsigned int els_type = status_buffer->payload.data[0];
- zfcp_san_dbf_event_incoming_els(fsf_req);
+ zfcp_dbf_san_incoming_els(fsf_req);
if (els_type == LS_PLOGI)
zfcp_fc_incoming_plogi(fsf_req);
else if (els_type == LS_LOGO)
port->d_id = ct_iu_resp->d_id & ZFCP_DID_MASK;
}
-int static zfcp_fc_ns_gid_pn_request(struct zfcp_erp_action *erp_action,
+static int zfcp_fc_ns_gid_pn_request(struct zfcp_port *port,
struct zfcp_gid_pn_data *gid_pn)
{
- struct zfcp_adapter *adapter = erp_action->adapter;
+ struct zfcp_adapter *adapter = port->adapter;
struct zfcp_fc_ns_handler_data compl_rec;
int ret;
/* setup parameters for send generic command */
- gid_pn->port = erp_action->port;
+ gid_pn->port = port;
gid_pn->ct.wka_port = &adapter->gs->ds;
gid_pn->ct.handler = zfcp_fc_ns_handler;
gid_pn->ct.handler_data = (unsigned long) &compl_rec;
- gid_pn->ct.timeout = ZFCP_NS_GID_PN_TIMEOUT;
gid_pn->ct.req = &gid_pn->req;
gid_pn->ct.resp = &gid_pn->resp;
sg_init_one(&gid_pn->req, &gid_pn->ct_iu_req,
gid_pn->ct_iu_req.header.options = ZFCP_CT_SYNCHRONOUS;
gid_pn->ct_iu_req.header.cmd_rsp_code = ZFCP_CT_GID_PN;
gid_pn->ct_iu_req.header.max_res_size = ZFCP_CT_SIZE_ONE_PAGE / 4;
- gid_pn->ct_iu_req.wwpn = erp_action->port->wwpn;
+ gid_pn->ct_iu_req.wwpn = port->wwpn;
init_completion(&compl_rec.done);
compl_rec.handler = zfcp_fc_ns_gid_pn_eval;
compl_rec.handler_data = (unsigned long) gid_pn;
- ret = zfcp_fsf_send_ct(&gid_pn->ct, adapter->pool.fsf_req_erp,
- erp_action);
+ ret = zfcp_fsf_send_ct(&gid_pn->ct, adapter->pool.gid_pn_req);
if (!ret)
wait_for_completion(&compl_rec.done);
return ret;
/**
* zfcp_fc_ns_gid_pn_request - initiate GID_PN nameserver request
- * @erp_action: pointer to zfcp_erp_action where GID_PN request is needed
+ * @port: port where GID_PN request is needed
* return: -ENOMEM on error, 0 otherwise
*/
-int zfcp_fc_ns_gid_pn(struct zfcp_erp_action *erp_action)
+static int zfcp_fc_ns_gid_pn(struct zfcp_port *port)
{
int ret;
struct zfcp_gid_pn_data *gid_pn;
- struct zfcp_adapter *adapter = erp_action->adapter;
+ struct zfcp_adapter *adapter = port->adapter;
- gid_pn = mempool_alloc(adapter->pool.data_gid_pn, GFP_ATOMIC);
+ gid_pn = mempool_alloc(adapter->pool.gid_pn_data, GFP_ATOMIC);
if (!gid_pn)
return -ENOMEM;
memset(gid_pn, 0, sizeof(*gid_pn));
- ret = zfcp_wka_port_get(&adapter->gs->ds);
+ ret = zfcp_fc_wka_port_get(&adapter->gs->ds);
if (ret)
goto out;
- ret = zfcp_fc_ns_gid_pn_request(erp_action, gid_pn);
+ ret = zfcp_fc_ns_gid_pn_request(port, gid_pn);
- zfcp_wka_port_put(&adapter->gs->ds);
+ zfcp_fc_wka_port_put(&adapter->gs->ds);
out:
- mempool_free(gid_pn, adapter->pool.data_gid_pn);
+ mempool_free(gid_pn, adapter->pool.gid_pn_data);
return ret;
}
+void zfcp_fc_port_did_lookup(struct work_struct *work)
+{
+ int ret;
+ struct zfcp_port *port = container_of(work, struct zfcp_port,
+ gid_pn_work);
+
+ ret = zfcp_fc_ns_gid_pn(port);
+ if (ret) {
+ /* could not issue gid_pn for some reason */
+ zfcp_erp_adapter_reopen(port->adapter, 0, "fcgpn_1", NULL);
+ goto out;
+ }
+
+ if (!port->d_id) {
+ zfcp_erp_port_failed(port, "fcgpn_2", NULL);
+ goto out;
+ }
+
+ zfcp_erp_port_reopen(port, 0, "fcgpn_3", NULL);
+out:
+ zfcp_port_put(port);
+}
+
/**
* zfcp_fc_plogi_evaluate - evaluate PLOGI playload
* @port: zfcp_port structure
/* port is good, unblock rport without going through erp */
zfcp_scsi_schedule_rport_register(port);
out:
+ atomic_clear_mask(ZFCP_STATUS_PORT_LINK_TEST, &port->status);
zfcp_port_put(port);
kfree(adisc);
}
port->rport_task = RPORT_DEL;
zfcp_scsi_rport_work(&port->rport_work);
+ /* only issue one test command at one time per port */
+ if (atomic_read(&port->status) & ZFCP_STATUS_PORT_LINK_TEST)
+ goto out;
+
+ atomic_set_mask(ZFCP_STATUS_PORT_LINK_TEST, &port->status);
+
retval = zfcp_fc_adisc(port);
if (retval == 0)
return;
/* send of ADISC was not possible */
+ atomic_clear_mask(ZFCP_STATUS_PORT_LINK_TEST, &port->status);
zfcp_erp_port_forced_reopen(port, 0, "fcltwk1", NULL);
+out:
zfcp_port_put(port);
}
/**
- * zfcp_test_link - lightweight link test procedure
+ * zfcp_fc_test_link - lightweight link test procedure
* @port: port to be tested
*
* Test status of a link to a remote port using the ELS command ADISC.
* If there is a problem with the remote port, error recovery steps
* will be triggered.
*/
-void zfcp_test_link(struct zfcp_port *port)
+void zfcp_fc_test_link(struct zfcp_port *port)
{
zfcp_port_get(port);
- if (!queue_work(zfcp_data.work_queue, &port->test_link_work))
+ if (!queue_work(port->adapter->work_queue, &port->test_link_work))
zfcp_port_put(port);
}
{
struct scatterlist *sg = &gpn_ft->sg_req;
- kfree(sg_virt(sg)); /* free request buffer */
+ kmem_cache_free(zfcp_data.gpn_ft_cache, sg_virt(sg));
zfcp_sg_free_table(gpn_ft->sg_resp, buf_num);
kfree(gpn_ft);
if (!gpn_ft)
return NULL;
- req = kzalloc(sizeof(struct ct_iu_gpn_ft_req), GFP_KERNEL);
+ req = kmem_cache_alloc(zfcp_data.gpn_ft_cache, GFP_KERNEL);
if (!req) {
kfree(gpn_ft);
gpn_ft = NULL;
}
-static int zfcp_scan_issue_gpn_ft(struct zfcp_gpn_ft *gpn_ft,
- struct zfcp_adapter *adapter,
- int max_bytes)
+static int zfcp_fc_send_gpn_ft(struct zfcp_gpn_ft *gpn_ft,
+ struct zfcp_adapter *adapter, int max_bytes)
{
struct zfcp_send_ct *ct = &gpn_ft->ct;
struct ct_iu_gpn_ft_req *req = sg_virt(&gpn_ft->sg_req);
ct->wka_port = &adapter->gs->ds;
ct->handler = zfcp_fc_ns_handler;
ct->handler_data = (unsigned long)&compl_rec;
- ct->timeout = 10;
ct->req = &gpn_ft->sg_req;
ct->resp = gpn_ft->sg_resp;
init_completion(&compl_rec.done);
compl_rec.handler = NULL;
- ret = zfcp_fsf_send_ct(ct, NULL, NULL);
+ ret = zfcp_fsf_send_ct(ct, NULL);
if (!ret)
wait_for_completion(&compl_rec.done);
return ret;
}
-static void zfcp_validate_port(struct zfcp_port *port)
+static void zfcp_fc_validate_port(struct zfcp_port *port)
{
struct zfcp_adapter *adapter = port->adapter;
zfcp_port_dequeue(port);
}
-static int zfcp_scan_eval_gpn_ft(struct zfcp_gpn_ft *gpn_ft, int max_entries)
+static int zfcp_fc_eval_gpn_ft(struct zfcp_gpn_ft *gpn_ft, int max_entries)
{
struct zfcp_send_ct *ct = &gpn_ft->ct;
struct scatterlist *sg = gpn_ft->sg_resp;
return -E2BIG;
}
- down(&zfcp_data.config_sema);
+ mutex_lock(&zfcp_data.config_mutex);
/* first entry is the header */
for (x = 1; x < max_entries && !last; x++) {
zfcp_erp_wait(adapter);
list_for_each_entry_safe(port, tmp, &adapter->port_list_head, list)
- zfcp_validate_port(port);
- up(&zfcp_data.config_sema);
+ zfcp_fc_validate_port(port);
+ mutex_unlock(&zfcp_data.config_mutex);
return ret;
}
/**
- * zfcp_scan_ports - scan remote ports and attach new ports
+ * zfcp_fc_scan_ports - scan remote ports and attach new ports
* @adapter: pointer to struct zfcp_adapter
*/
-int zfcp_scan_ports(struct zfcp_adapter *adapter)
+int zfcp_fc_scan_ports(struct zfcp_adapter *adapter)
{
int ret, i;
struct zfcp_gpn_ft *gpn_ft;
fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPIV)
return 0;
- ret = zfcp_wka_port_get(&adapter->gs->ds);
+ ret = zfcp_fc_wka_port_get(&adapter->gs->ds);
if (ret)
return ret;
}
for (i = 0; i < 3; i++) {
- ret = zfcp_scan_issue_gpn_ft(gpn_ft, adapter, max_bytes);
+ ret = zfcp_fc_send_gpn_ft(gpn_ft, adapter, max_bytes);
if (!ret) {
- ret = zfcp_scan_eval_gpn_ft(gpn_ft, max_entries);
+ ret = zfcp_fc_eval_gpn_ft(gpn_ft, max_entries);
if (ret == -EAGAIN)
ssleep(1);
else
}
zfcp_free_sg_env(gpn_ft, buf_num);
out:
- zfcp_wka_port_put(&adapter->gs->ds);
+ zfcp_fc_wka_port_put(&adapter->gs->ds);
return ret;
}
-void _zfcp_scan_ports_later(struct work_struct *work)
+void _zfcp_fc_scan_ports_later(struct work_struct *work)
{
- zfcp_scan_ports(container_of(work, struct zfcp_adapter, scan_work));
+ zfcp_fc_scan_ports(container_of(work, struct zfcp_adapter, scan_work));
}
struct zfcp_els_fc_job {
els_fc_job->els.adapter = adapter;
if (rport) {
read_lock_irq(&zfcp_data.config_lock);
- port = rport->dd_data;
+ port = zfcp_get_port_by_wwpn(adapter, rport->port_name);
if (port)
els_fc_job->els.d_id = port->d_id;
read_unlock_irq(&zfcp_data.config_lock);
job->state_flags = FC_RQST_STATE_DONE;
job->job_done(job);
- zfcp_wka_port_put(ct_fc_job->ct.wka_port);
+ zfcp_fc_wka_port_put(ct_fc_job->ct.wka_port);
kfree(ct_fc_job);
}
return -EINVAL; /* no such service */
}
- ret = zfcp_wka_port_get(ct_fc_job->ct.wka_port);
+ ret = zfcp_fc_wka_port_get(ct_fc_job->ct.wka_port);
if (ret) {
kfree(ct_fc_job);
return ret;
ct_fc_job->ct.req = job->request_payload.sg_list;
ct_fc_job->ct.resp = job->reply_payload.sg_list;
- ct_fc_job->ct.timeout = ZFCP_FSF_REQUEST_TIMEOUT;
ct_fc_job->ct.handler = zfcp_fc_generic_ct_handler;
ct_fc_job->ct.handler_data = (unsigned long) ct_fc_job;
ct_fc_job->ct.completion = NULL;
ct_fc_job->job = job;
- ret = zfcp_fsf_send_ct(&ct_fc_job->ct, NULL, NULL);
+ ret = zfcp_fsf_send_ct(&ct_fc_job->ct, NULL);
if (ret) {
kfree(ct_fc_job);
- zfcp_wka_port_put(ct_fc_job->ct.wka_port);
+ zfcp_fc_wka_port_put(ct_fc_job->ct.wka_port);
}
return ret;
}
+
+int zfcp_fc_gs_setup(struct zfcp_adapter *adapter)
+{
+ struct zfcp_wka_ports *wka_ports;
+
+ wka_ports = kzalloc(sizeof(struct zfcp_wka_ports), GFP_KERNEL);
+ if (!wka_ports)
+ return -ENOMEM;
+
+ adapter->gs = wka_ports;
+ zfcp_fc_wka_port_init(&wka_ports->ms, FC_FID_MGMT_SERV, adapter);
+ zfcp_fc_wka_port_init(&wka_ports->ts, FC_FID_TIME_SERV, adapter);
+ zfcp_fc_wka_port_init(&wka_ports->ds, FC_FID_DIR_SERV, adapter);
+ zfcp_fc_wka_port_init(&wka_ports->as, FC_FID_ALIASES, adapter);
+ zfcp_fc_wka_port_init(&wka_ports->ks, FC_FID_SEC_KEY, adapter);
+
+ return 0;
+}
+
+void zfcp_fc_gs_destroy(struct zfcp_adapter *adapter)
+{
+ kfree(adapter->gs);
+ adapter->gs = NULL;
+}
+
projects / mv-sheeva.git / blobdiff