594 static void init_event_struct(struct srp_event_struct *evt_struct,  in init_event_struct()  argument
599 	evt_struct->cmnd = NULL;  in init_event_struct()
600 	evt_struct->cmnd_done = NULL;  in init_event_struct()
601 	evt_struct->sync_srp = NULL;  in init_event_struct()
602 	evt_struct->crq.format = format;  in init_event_struct()
603 	evt_struct->crq.timeout = cpu_to_be16(timeout);  in init_event_struct()
604 	evt_struct->done = done;  in init_event_struct()
650 			   struct srp_event_struct *evt_struct,  in unmap_cmd_data()  argument
661 	if (evt_struct->cmnd)  in unmap_cmd_data()
662 		scsi_dma_unmap(evt_struct->cmnd);  in unmap_cmd_data()
692 		       struct srp_event_struct *evt_struct,  in map_sg_data()  argument
730 	if (!evt_struct->ext_list) {  in map_sg_data()
731 		evt_struct->ext_list = (struct srp_direct_buf *)  in map_sg_data()
734 					   &evt_struct->ext_list_token, 0);  in map_sg_data()
735 		if (!evt_struct->ext_list) {  in map_sg_data()
745 	total_length = map_sg_list(cmd, sg_mapped, evt_struct->ext_list);  in map_sg_data()
748 	indirect->table_desc.va = cpu_to_be64(evt_struct->ext_list_token);  in map_sg_data()
751 	memcpy(indirect->desc_list, evt_struct->ext_list,  in map_sg_data()
766 				struct srp_event_struct *evt_struct,  in map_data_for_srp_cmd()  argument
786 	return map_sg_data(cmd, evt_struct, srp_cmd, dev);  in map_data_for_srp_cmd()
842 	struct srp_event_struct *evt_struct = from_timer(evt_struct, t, timer);  in ibmvscsi_timeout()  local
843 	struct ibmvscsi_host_data *hostdata = evt_struct->hostdata;  in ibmvscsi_timeout()
846 		evt_struct->iu.srp.cmd.opcode);  in ibmvscsi_timeout()
864 static int ibmvscsi_send_srp_event(struct srp_event_struct *evt_struct,  in ibmvscsi_send_srp_event()  argument
868 	__be64 *crq_as_u64 = (__be64 *)&evt_struct->crq;  in ibmvscsi_send_srp_event()
879 	if (evt_struct->crq.format == VIOSRP_SRP_FORMAT) {  in ibmvscsi_send_srp_event()
894 		         evt_struct->iu.srp.login_req.opcode != SRP_LOGIN_REQ)  in ibmvscsi_send_srp_event()
901 		         evt_struct->iu.srp.cmd.opcode != SRP_TSK_MGMT) {  in ibmvscsi_send_srp_event()
922 	*evt_struct->xfer_iu = evt_struct->iu;  in ibmvscsi_send_srp_event()
923 	evt_struct->xfer_iu->srp.rsp.tag = (u64)evt_struct;  in ibmvscsi_send_srp_event()
929 	list_add_tail(&evt_struct->list, &hostdata->sent);  in ibmvscsi_send_srp_event()
931 	timer_setup(&evt_struct->timer, ibmvscsi_timeout, 0);  in ibmvscsi_send_srp_event()
933 		evt_struct->timer.expires = jiffies + (timeout * HZ);  in ibmvscsi_send_srp_event()
934 		add_timer(&evt_struct->timer);  in ibmvscsi_send_srp_event()
940 		list_del(&evt_struct->list);  in ibmvscsi_send_srp_event()
941 		del_timer(&evt_struct->timer);  in ibmvscsi_send_srp_event()
962 	unmap_cmd_data(&evt_struct->iu.srp.cmd, evt_struct, hostdata->dev);  in ibmvscsi_send_srp_event()
964 	free_event_struct(&hostdata->pool, evt_struct);  in ibmvscsi_send_srp_event()
970 	unmap_cmd_data(&evt_struct->iu.srp.cmd, evt_struct, hostdata->dev);  in ibmvscsi_send_srp_event()
972 	if (evt_struct->cmnd != NULL) {  in ibmvscsi_send_srp_event()
973 		evt_struct->cmnd->result = DID_ERROR << 16;  in ibmvscsi_send_srp_event()
974 		evt_struct->cmnd_done(evt_struct->cmnd);  in ibmvscsi_send_srp_event()
975 	} else if (evt_struct->done)  in ibmvscsi_send_srp_event()
976 		evt_struct->done(evt_struct);  in ibmvscsi_send_srp_event()
978 	free_event_struct(&hostdata->pool, evt_struct);  in ibmvscsi_send_srp_event()
989 static void handle_cmd_rsp(struct srp_event_struct *evt_struct)  in handle_cmd_rsp()  argument
991 	struct srp_rsp *rsp = &evt_struct->xfer_iu->srp.rsp;  in handle_cmd_rsp()
992 	struct scsi_cmnd *cmnd = evt_struct->cmnd;  in handle_cmd_rsp()
996 			dev_warn(evt_struct->hostdata->dev,  in handle_cmd_rsp()
1006 		unmap_cmd_data(&evt_struct->iu.srp.cmd,   in handle_cmd_rsp()
1007 			       evt_struct,   in handle_cmd_rsp()
1008 			       evt_struct->hostdata->dev);  in handle_cmd_rsp()
1017 	if (evt_struct->cmnd_done)  in handle_cmd_rsp()
1018 		evt_struct->cmnd_done(cmnd);  in handle_cmd_rsp()
1040 	struct srp_event_struct *evt_struct;  in ibmvscsi_queuecommand_lck()  local
1047 	evt_struct = get_event_struct(&hostdata->pool);  in ibmvscsi_queuecommand_lck()
1048 	if (!evt_struct)  in ibmvscsi_queuecommand_lck()
1052 	srp_cmd = &evt_struct->iu.srp.cmd;  in ibmvscsi_queuecommand_lck()
1058 	if (!map_data_for_srp_cmd(cmnd, evt_struct, srp_cmd, hostdata->dev)) {  in ibmvscsi_queuecommand_lck()
1062 		free_event_struct(&hostdata->pool, evt_struct);  in ibmvscsi_queuecommand_lck()
1066 	init_event_struct(evt_struct,  in ibmvscsi_queuecommand_lck()
1071 	evt_struct->cmnd = cmnd;  in ibmvscsi_queuecommand_lck()
1072 	evt_struct->cmnd_done = done;  in ibmvscsi_queuecommand_lck()
1082 			cpu_to_be64(be64_to_cpu(evt_struct->crq.IU_data_ptr) +  in ibmvscsi_queuecommand_lck()
1087 	return ibmvscsi_send_srp_event(evt_struct, hostdata, 0);  in ibmvscsi_queuecommand_lck()
1150 static void login_rsp(struct srp_event_struct *evt_struct)  in login_rsp()  argument
1152 	struct ibmvscsi_host_data *hostdata = evt_struct->hostdata;  in login_rsp()
1153 	switch (evt_struct->xfer_iu->srp.login_rsp.opcode) {  in login_rsp()
1158 			 evt_struct->xfer_iu->srp.login_rej.reason);  in login_rsp()
1164 			evt_struct->xfer_iu->srp.login_rsp.opcode);  in login_rsp()
1178 		   be32_to_cpu(evt_struct->xfer_iu->srp.login_rsp.req_lim_delta));  in login_rsp()
1195 	struct srp_event_struct *evt_struct = get_event_struct(&hostdata->pool);  in send_srp_login()  local
1197 	BUG_ON(!evt_struct);  in send_srp_login()
1198 	init_event_struct(evt_struct, login_rsp,  in send_srp_login()
1201 	login = &evt_struct->iu.srp.login_req;  in send_srp_login()
1215 	rc = ibmvscsi_send_srp_event(evt_struct, hostdata, login_timeout * 2);  in send_srp_login()
1227 static void capabilities_rsp(struct srp_event_struct *evt_struct)  in capabilities_rsp()  argument
1229 	struct ibmvscsi_host_data *hostdata = evt_struct->hostdata;  in capabilities_rsp()
1231 	if (evt_struct->xfer_iu->mad.capabilities.common.status) {  in capabilities_rsp()
1233 			evt_struct->xfer_iu->mad.capabilities.common.status);  in capabilities_rsp()
1259 	struct srp_event_struct *evt_struct;  in send_mad_capabilities()  local
1264 	evt_struct = get_event_struct(&hostdata->pool);  in send_mad_capabilities()
1265 	BUG_ON(!evt_struct);  in send_mad_capabilities()
1267 	init_event_struct(evt_struct, capabilities_rsp,  in send_mad_capabilities()
1270 	req = &evt_struct->iu.mad.capabilities;  in send_mad_capabilities()
1311 	if (ibmvscsi_send_srp_event(evt_struct, hostdata, info_timeout * 2))  in send_mad_capabilities()
1323 static void fast_fail_rsp(struct srp_event_struct *evt_struct)  in fast_fail_rsp()  argument
1325 	struct ibmvscsi_host_data *hostdata = evt_struct->hostdata;  in fast_fail_rsp()
1326 	u16 status = be16_to_cpu(evt_struct->xfer_iu->mad.fast_fail.common.status);  in fast_fail_rsp()
1349 	struct srp_event_struct *evt_struct;  in enable_fast_fail()  local
1356 	evt_struct = get_event_struct(&hostdata->pool);  in enable_fast_fail()
1357 	BUG_ON(!evt_struct);  in enable_fast_fail()
1359 	init_event_struct(evt_struct, fast_fail_rsp, VIOSRP_MAD_FORMAT, info_timeout);  in enable_fast_fail()
1361 	fast_fail_mad = &evt_struct->iu.mad.fast_fail;  in enable_fast_fail()
1367 	rc = ibmvscsi_send_srp_event(evt_struct, hostdata, info_timeout * 2);  in enable_fast_fail()
1379 static void adapter_info_rsp(struct srp_event_struct *evt_struct)  in adapter_info_rsp()  argument
1381 	struct ibmvscsi_host_data *hostdata = evt_struct->hostdata;  in adapter_info_rsp()
1383 	if (evt_struct->xfer_iu->mad.adapter_info.common.status) {  in adapter_info_rsp()
1385 			evt_struct->xfer_iu->mad.adapter_info.common.status);  in adapter_info_rsp()
1429 	struct srp_event_struct *evt_struct;  in send_mad_adapter_info()  local
1432 	evt_struct = get_event_struct(&hostdata->pool);  in send_mad_adapter_info()
1433 	BUG_ON(!evt_struct);  in send_mad_adapter_info()
1435 	init_event_struct(evt_struct,  in send_mad_adapter_info()
1440 	req = &evt_struct->iu.mad.adapter_info;  in send_mad_adapter_info()
1448 	if (ibmvscsi_send_srp_event(evt_struct, hostdata, info_timeout * 2))  in send_mad_adapter_info()
1468 static void sync_completion(struct srp_event_struct *evt_struct)  in sync_completion()  argument
1471 	if (evt_struct->sync_srp)  in sync_completion()
1472 		*evt_struct->sync_srp = *evt_struct->xfer_iu;  in sync_completion()
1474 	complete(&evt_struct->comp);  in sync_completion()
1765 	struct srp_event_struct *evt_struct =  in ibmvscsi_handle_crq()  local
1820 	if (!valid_event_struct(&hostdata->pool, evt_struct)) {  in ibmvscsi_handle_crq()
1822 		       evt_struct);  in ibmvscsi_handle_crq()
1826 	if (atomic_read(&evt_struct->free)) {  in ibmvscsi_handle_crq()
1828 			evt_struct);  in ibmvscsi_handle_crq()
1833 		atomic_add(be32_to_cpu(evt_struct->xfer_iu->srp.rsp.req_lim_delta),  in ibmvscsi_handle_crq()
1836 	del_timer(&evt_struct->timer);  in ibmvscsi_handle_crq()
1838 	if ((crq->status != VIOSRP_OK && crq->status != VIOSRP_OK2) && evt_struct->cmnd)  in ibmvscsi_handle_crq()
1839 		evt_struct->cmnd->result = DID_ERROR << 16;  in ibmvscsi_handle_crq()
1840 	if (evt_struct->done)  in ibmvscsi_handle_crq()
1841 		evt_struct->done(evt_struct);  in ibmvscsi_handle_crq()
1849 	spin_lock_irqsave(evt_struct->hostdata->host->host_lock, flags);  in ibmvscsi_handle_crq()
1850 	list_del(&evt_struct->list);  in ibmvscsi_handle_crq()
1851 	free_event_struct(&evt_struct->hostdata->pool, evt_struct);  in ibmvscsi_handle_crq()
1852 	spin_unlock_irqrestore(evt_struct->hostdata->host->host_lock, flags);  in ibmvscsi_handle_crq()