581 static void init_event_struct(struct srp_event_struct *evt_struct,  in init_event_struct()  argument
586 	evt_struct->cmnd = NULL;  in init_event_struct()
587 	evt_struct->cmnd_done = NULL;  in init_event_struct()
588 	evt_struct->sync_srp = NULL;  in init_event_struct()
589 	evt_struct->crq.format = format;  in init_event_struct()
590 	evt_struct->crq.timeout = cpu_to_be16(timeout);  in init_event_struct()
591 	evt_struct->done = done;  in init_event_struct()
637 			   struct srp_event_struct *evt_struct,  in unmap_cmd_data()  argument
648 	if (evt_struct->cmnd)  in unmap_cmd_data()
649 		scsi_dma_unmap(evt_struct->cmnd);  in unmap_cmd_data()
679 		       struct srp_event_struct *evt_struct,  in map_sg_data()  argument
717 	if (!evt_struct->ext_list) {  in map_sg_data()
718 		evt_struct->ext_list = (struct srp_direct_buf *)  in map_sg_data()
721 					   &evt_struct->ext_list_token, 0);  in map_sg_data()
722 		if (!evt_struct->ext_list) {  in map_sg_data()
732 	total_length = map_sg_list(cmd, sg_mapped, evt_struct->ext_list);  in map_sg_data()
735 	indirect->table_desc.va = cpu_to_be64(evt_struct->ext_list_token);  in map_sg_data()
738 	memcpy(indirect->desc_list, evt_struct->ext_list,  in map_sg_data()
753 				struct srp_event_struct *evt_struct,  in map_data_for_srp_cmd()  argument
773 	return map_sg_data(cmd, evt_struct, srp_cmd, dev);  in map_data_for_srp_cmd()
829 	struct srp_event_struct *evt_struct = from_timer(evt_struct, t, timer);  in ibmvscsi_timeout()  local
830 	struct ibmvscsi_host_data *hostdata = evt_struct->hostdata;  in ibmvscsi_timeout()
833 		evt_struct->iu.srp.cmd.opcode);  in ibmvscsi_timeout()
851 static int ibmvscsi_send_srp_event(struct srp_event_struct *evt_struct,  in ibmvscsi_send_srp_event()  argument
855 	__be64 *crq_as_u64 = (__be64 *)&evt_struct->crq;  in ibmvscsi_send_srp_event()
866 	if (evt_struct->crq.format == VIOSRP_SRP_FORMAT) {  in ibmvscsi_send_srp_event()
881 		         evt_struct->iu.srp.login_req.opcode != SRP_LOGIN_REQ)  in ibmvscsi_send_srp_event()
888 		         evt_struct->iu.srp.cmd.opcode != SRP_TSK_MGMT) {  in ibmvscsi_send_srp_event()
909 	*evt_struct->xfer_iu = evt_struct->iu;  in ibmvscsi_send_srp_event()
910 	evt_struct->xfer_iu->srp.rsp.tag = (u64)evt_struct;  in ibmvscsi_send_srp_event()
916 	list_add_tail(&evt_struct->list, &hostdata->sent);  in ibmvscsi_send_srp_event()
918 	timer_setup(&evt_struct->timer, ibmvscsi_timeout, 0);  in ibmvscsi_send_srp_event()
920 		evt_struct->timer.expires = jiffies + (timeout * HZ);  in ibmvscsi_send_srp_event()
921 		add_timer(&evt_struct->timer);  in ibmvscsi_send_srp_event()
927 		list_del(&evt_struct->list);  in ibmvscsi_send_srp_event()
928 		del_timer(&evt_struct->timer);  in ibmvscsi_send_srp_event()
949 	unmap_cmd_data(&evt_struct->iu.srp.cmd, evt_struct, hostdata->dev);  in ibmvscsi_send_srp_event()
951 	free_event_struct(&hostdata->pool, evt_struct);  in ibmvscsi_send_srp_event()
957 	unmap_cmd_data(&evt_struct->iu.srp.cmd, evt_struct, hostdata->dev);  in ibmvscsi_send_srp_event()
959 	if (evt_struct->cmnd != NULL) {  in ibmvscsi_send_srp_event()
960 		evt_struct->cmnd->result = DID_ERROR << 16;  in ibmvscsi_send_srp_event()
961 		evt_struct->cmnd_done(evt_struct->cmnd);  in ibmvscsi_send_srp_event()
962 	} else if (evt_struct->done)  in ibmvscsi_send_srp_event()
963 		evt_struct->done(evt_struct);  in ibmvscsi_send_srp_event()
965 	free_event_struct(&hostdata->pool, evt_struct);  in ibmvscsi_send_srp_event()
976 static void handle_cmd_rsp(struct srp_event_struct *evt_struct)  in handle_cmd_rsp()  argument
978 	struct srp_rsp *rsp = &evt_struct->xfer_iu->srp.rsp;  in handle_cmd_rsp()
979 	struct scsi_cmnd *cmnd = evt_struct->cmnd;  in handle_cmd_rsp()
983 			dev_warn(evt_struct->hostdata->dev,  in handle_cmd_rsp()
993 		unmap_cmd_data(&evt_struct->iu.srp.cmd,   in handle_cmd_rsp()
994 			       evt_struct,   in handle_cmd_rsp()
995 			       evt_struct->hostdata->dev);  in handle_cmd_rsp()
1004 	if (evt_struct->cmnd_done)  in handle_cmd_rsp()
1005 		evt_struct->cmnd_done(cmnd);  in handle_cmd_rsp()
1027 	struct srp_event_struct *evt_struct;  in ibmvscsi_queuecommand_lck()  local
1034 	evt_struct = get_event_struct(&hostdata->pool);  in ibmvscsi_queuecommand_lck()
1035 	if (!evt_struct)  in ibmvscsi_queuecommand_lck()
1039 	srp_cmd = &evt_struct->iu.srp.cmd;  in ibmvscsi_queuecommand_lck()
1045 	if (!map_data_for_srp_cmd(cmnd, evt_struct, srp_cmd, hostdata->dev)) {  in ibmvscsi_queuecommand_lck()
1049 		free_event_struct(&hostdata->pool, evt_struct);  in ibmvscsi_queuecommand_lck()
1053 	init_event_struct(evt_struct,  in ibmvscsi_queuecommand_lck()
1058 	evt_struct->cmnd = cmnd;  in ibmvscsi_queuecommand_lck()
1059 	evt_struct->cmnd_done = done;  in ibmvscsi_queuecommand_lck()
1069 			cpu_to_be64(be64_to_cpu(evt_struct->crq.IU_data_ptr) +  in ibmvscsi_queuecommand_lck()
1074 	return ibmvscsi_send_srp_event(evt_struct, hostdata, 0);  in ibmvscsi_queuecommand_lck()
1137 static void login_rsp(struct srp_event_struct *evt_struct)  in login_rsp()  argument
1139 	struct ibmvscsi_host_data *hostdata = evt_struct->hostdata;  in login_rsp()
1140 	switch (evt_struct->xfer_iu->srp.login_rsp.opcode) {  in login_rsp()
1145 			 evt_struct->xfer_iu->srp.login_rej.reason);  in login_rsp()
1151 			evt_struct->xfer_iu->srp.login_rsp.opcode);  in login_rsp()
1165 		   be32_to_cpu(evt_struct->xfer_iu->srp.login_rsp.req_lim_delta));  in login_rsp()
1183 	struct srp_event_struct *evt_struct = get_event_struct(&hostdata->pool);  in send_srp_login()  local
1185 	BUG_ON(!evt_struct);  in send_srp_login()
1186 	init_event_struct(evt_struct, login_rsp,  in send_srp_login()
1189 	login = &evt_struct->iu.srp.login_req;  in send_srp_login()
1203 	rc = ibmvscsi_send_srp_event(evt_struct, hostdata, login_timeout * 2);  in send_srp_login()
1215 static void capabilities_rsp(struct srp_event_struct *evt_struct)  in capabilities_rsp()  argument
1217 	struct ibmvscsi_host_data *hostdata = evt_struct->hostdata;  in capabilities_rsp()
1219 	if (evt_struct->xfer_iu->mad.capabilities.common.status) {  in capabilities_rsp()
1221 			evt_struct->xfer_iu->mad.capabilities.common.status);  in capabilities_rsp()
1247 	struct srp_event_struct *evt_struct;  in send_mad_capabilities()  local
1252 	evt_struct = get_event_struct(&hostdata->pool);  in send_mad_capabilities()
1253 	BUG_ON(!evt_struct);  in send_mad_capabilities()
1255 	init_event_struct(evt_struct, capabilities_rsp,  in send_mad_capabilities()
1258 	req = &evt_struct->iu.mad.capabilities;  in send_mad_capabilities()
1299 	if (ibmvscsi_send_srp_event(evt_struct, hostdata, info_timeout * 2))  in send_mad_capabilities()
1311 static void fast_fail_rsp(struct srp_event_struct *evt_struct)  in fast_fail_rsp()  argument
1313 	struct ibmvscsi_host_data *hostdata = evt_struct->hostdata;  in fast_fail_rsp()
1314 	u16 status = be16_to_cpu(evt_struct->xfer_iu->mad.fast_fail.common.status);  in fast_fail_rsp()
1337 	struct srp_event_struct *evt_struct;  in enable_fast_fail()  local
1344 	evt_struct = get_event_struct(&hostdata->pool);  in enable_fast_fail()
1345 	BUG_ON(!evt_struct);  in enable_fast_fail()
1347 	init_event_struct(evt_struct, fast_fail_rsp, VIOSRP_MAD_FORMAT, info_timeout);  in enable_fast_fail()
1349 	fast_fail_mad = &evt_struct->iu.mad.fast_fail;  in enable_fast_fail()
1355 	rc = ibmvscsi_send_srp_event(evt_struct, hostdata, info_timeout * 2);  in enable_fast_fail()
1367 static void adapter_info_rsp(struct srp_event_struct *evt_struct)  in adapter_info_rsp()  argument
1369 	struct ibmvscsi_host_data *hostdata = evt_struct->hostdata;  in adapter_info_rsp()
1371 	if (evt_struct->xfer_iu->mad.adapter_info.common.status) {  in adapter_info_rsp()
1373 			evt_struct->xfer_iu->mad.adapter_info.common.status);  in adapter_info_rsp()
1417 	struct srp_event_struct *evt_struct;  in send_mad_adapter_info()  local
1420 	evt_struct = get_event_struct(&hostdata->pool);  in send_mad_adapter_info()
1421 	BUG_ON(!evt_struct);  in send_mad_adapter_info()
1423 	init_event_struct(evt_struct,  in send_mad_adapter_info()
1428 	req = &evt_struct->iu.mad.adapter_info;  in send_mad_adapter_info()
1436 	if (ibmvscsi_send_srp_event(evt_struct, hostdata, info_timeout * 2))  in send_mad_adapter_info()
1456 static void sync_completion(struct srp_event_struct *evt_struct)  in sync_completion()  argument
1459 	if (evt_struct->sync_srp)  in sync_completion()
1460 		*evt_struct->sync_srp = *evt_struct->xfer_iu;  in sync_completion()
1462 	complete(&evt_struct->comp);  in sync_completion()
1753 	struct srp_event_struct *evt_struct =  in ibmvscsi_handle_crq()  local
1808 	if (!valid_event_struct(&hostdata->pool, evt_struct)) {  in ibmvscsi_handle_crq()
1810 		       evt_struct);  in ibmvscsi_handle_crq()
1814 	if (atomic_read(&evt_struct->free)) {  in ibmvscsi_handle_crq()
1816 			evt_struct);  in ibmvscsi_handle_crq()
1821 		atomic_add(be32_to_cpu(evt_struct->xfer_iu->srp.rsp.req_lim_delta),  in ibmvscsi_handle_crq()
1824 	del_timer(&evt_struct->timer);  in ibmvscsi_handle_crq()
1826 	if ((crq->status != VIOSRP_OK && crq->status != VIOSRP_OK2) && evt_struct->cmnd)  in ibmvscsi_handle_crq()
1827 		evt_struct->cmnd->result = DID_ERROR << 16;  in ibmvscsi_handle_crq()
1828 	if (evt_struct->done)  in ibmvscsi_handle_crq()
1829 		evt_struct->done(evt_struct);  in ibmvscsi_handle_crq()
1837 	spin_lock_irqsave(evt_struct->hostdata->host->host_lock, flags);  in ibmvscsi_handle_crq()
1838 	list_del(&evt_struct->list);  in ibmvscsi_handle_crq()
1839 	free_event_struct(&evt_struct->hostdata->pool, evt_struct);  in ibmvscsi_handle_crq()
1840 	spin_unlock_irqrestore(evt_struct->hostdata->host->host_lock, flags);  in ibmvscsi_handle_crq()