| H A D | ibmvscsi.c | 593 static void init_event_struct(struct srp_event_struct *evt_struct, init_event_struct() argument
598 evt_struct->cmnd = NULL; init_event_struct()
599 evt_struct->cmnd_done = NULL; init_event_struct()
600 evt_struct->sync_srp = NULL; init_event_struct()
601 evt_struct->crq.format = format; init_event_struct()
602 evt_struct->crq.timeout = cpu_to_be16(timeout); init_event_struct()
603 evt_struct->done = done; init_event_struct()
649 struct srp_event_struct *evt_struct, unmap_cmd_data()
660 if (evt_struct->cmnd) unmap_cmd_data()
661 scsi_dma_unmap(evt_struct->cmnd); unmap_cmd_data()
691 struct srp_event_struct *evt_struct, map_sg_data()
729 if (!evt_struct->ext_list) { map_sg_data()
730 evt_struct->ext_list = (struct srp_direct_buf *) map_sg_data()
733 &evt_struct->ext_list_token, 0); map_sg_data()
734 if (!evt_struct->ext_list) { map_sg_data()
744 total_length = map_sg_list(cmd, sg_mapped, evt_struct->ext_list); map_sg_data()
747 indirect->table_desc.va = cpu_to_be64(evt_struct->ext_list_token); map_sg_data()
750 memcpy(indirect->desc_list, evt_struct->ext_list, map_sg_data()
765 struct srp_event_struct *evt_struct, map_data_for_srp_cmd()
785 return map_sg_data(cmd, evt_struct, srp_cmd, dev); map_data_for_srp_cmd()
835 * @evt_struct: struct srp_event_struct that timed out
839 static void ibmvscsi_timeout(struct srp_event_struct *evt_struct) ibmvscsi_timeout() argument
841 struct ibmvscsi_host_data *hostdata = evt_struct->hostdata; ibmvscsi_timeout()
844 evt_struct->iu.srp.cmd.opcode); ibmvscsi_timeout()
855 * @evt_struct: evt_struct to be sent
862 static int ibmvscsi_send_srp_event(struct srp_event_struct *evt_struct, ibmvscsi_send_srp_event() argument
866 __be64 *crq_as_u64 = (__be64 *)&evt_struct->crq; ibmvscsi_send_srp_event()
877 if (evt_struct->crq.format == VIOSRP_SRP_FORMAT) { ibmvscsi_send_srp_event()
892 evt_struct->iu.srp.login_req.opcode != SRP_LOGIN_REQ) ibmvscsi_send_srp_event()
899 evt_struct->iu.srp.cmd.opcode != SRP_TSK_MGMT) { ibmvscsi_send_srp_event()
920 *evt_struct->xfer_iu = evt_struct->iu; ibmvscsi_send_srp_event()
921 evt_struct->xfer_iu->srp.rsp.tag = (u64)evt_struct; ibmvscsi_send_srp_event()
927 list_add_tail(&evt_struct->list, &hostdata->sent); ibmvscsi_send_srp_event()
929 init_timer(&evt_struct->timer); ibmvscsi_send_srp_event()
931 evt_struct->timer.data = (unsigned long) evt_struct; ibmvscsi_send_srp_event()
932 evt_struct->timer.expires = jiffies + (timeout * HZ); ibmvscsi_send_srp_event()
933 evt_struct->timer.function = (void (*)(unsigned long))ibmvscsi_timeout; ibmvscsi_send_srp_event()
934 add_timer(&evt_struct->timer); ibmvscsi_send_srp_event()
940 list_del(&evt_struct->list); ibmvscsi_send_srp_event()
941 del_timer(&evt_struct->timer); ibmvscsi_send_srp_event()
962 unmap_cmd_data(&evt_struct->iu.srp.cmd, evt_struct, hostdata->dev); ibmvscsi_send_srp_event()
964 free_event_struct(&hostdata->pool, evt_struct); ibmvscsi_send_srp_event()
970 unmap_cmd_data(&evt_struct->iu.srp.cmd, evt_struct, hostdata->dev); ibmvscsi_send_srp_event()
972 if (evt_struct->cmnd != NULL) { ibmvscsi_send_srp_event()
973 evt_struct->cmnd->result = DID_ERROR << 16; ibmvscsi_send_srp_event()
974 evt_struct->cmnd_done(evt_struct->cmnd); ibmvscsi_send_srp_event()
975 } else if (evt_struct->done) ibmvscsi_send_srp_event()
976 evt_struct->done(evt_struct); ibmvscsi_send_srp_event()
978 free_event_struct(&hostdata->pool, evt_struct); ibmvscsi_send_srp_event()
984 * @evt_struct: srp_event_struct to be handled
989 static void handle_cmd_rsp(struct srp_event_struct *evt_struct) handle_cmd_rsp() argument
991 struct srp_rsp *rsp = &evt_struct->xfer_iu->srp.rsp; handle_cmd_rsp()
992 struct scsi_cmnd *cmnd = evt_struct->cmnd; handle_cmd_rsp()
996 dev_warn(evt_struct->hostdata->dev, handle_cmd_rsp()
1006 unmap_cmd_data(&evt_struct->iu.srp.cmd, handle_cmd_rsp()
1007 evt_struct, handle_cmd_rsp()
1008 evt_struct->hostdata->dev); handle_cmd_rsp()
1017 if (evt_struct->cmnd_done) handle_cmd_rsp()
1018 evt_struct->cmnd_done(cmnd); handle_cmd_rsp()
1040 struct srp_event_struct *evt_struct; ibmvscsi_queuecommand_lck() local
1047 evt_struct = get_event_struct(&hostdata->pool); ibmvscsi_queuecommand_lck()
1048 if (!evt_struct) ibmvscsi_queuecommand_lck()
1052 srp_cmd = &evt_struct->iu.srp.cmd; ibmvscsi_queuecommand_lck()
1058 if (!map_data_for_srp_cmd(cmnd, evt_struct, srp_cmd, hostdata->dev)) { ibmvscsi_queuecommand_lck()
1062 free_event_struct(&hostdata->pool, evt_struct); ibmvscsi_queuecommand_lck()
1066 init_event_struct(evt_struct, ibmvscsi_queuecommand_lck()
1071 evt_struct->cmnd = cmnd; ibmvscsi_queuecommand_lck()
1072 evt_struct->cmnd_done = done; ibmvscsi_queuecommand_lck()
1082 cpu_to_be64(be64_to_cpu(evt_struct->crq.IU_data_ptr) + ibmvscsi_queuecommand_lck()
1087 return ibmvscsi_send_srp_event(evt_struct, hostdata, 0); ibmvscsi_queuecommand_lck()
1145 * @evt_struct: srp_event_struct with the response
1150 static void login_rsp(struct srp_event_struct *evt_struct) login_rsp() argument
1152 struct ibmvscsi_host_data *hostdata = evt_struct->hostdata; login_rsp()
1153 switch (evt_struct->xfer_iu->srp.login_rsp.opcode) { login_rsp()
1158 evt_struct->xfer_iu->srp.login_rej.reason); login_rsp()
1164 evt_struct->xfer_iu->srp.login_rsp.opcode); login_rsp()
1178 be32_to_cpu(evt_struct->xfer_iu->srp.login_rsp.req_lim_delta)); login_rsp()
1195 struct srp_event_struct *evt_struct = get_event_struct(&hostdata->pool); send_srp_login() local
1197 BUG_ON(!evt_struct); send_srp_login()
1198 init_event_struct(evt_struct, login_rsp, send_srp_login()
1201 login = &evt_struct->iu.srp.login_req; send_srp_login()
1215 rc = ibmvscsi_send_srp_event(evt_struct, hostdata, login_timeout * 2); send_srp_login()
1223 * @evt_struct: srp_event_struct with the response
1227 static void capabilities_rsp(struct srp_event_struct *evt_struct) capabilities_rsp() argument
1229 struct ibmvscsi_host_data *hostdata = evt_struct->hostdata; capabilities_rsp()
1231 if (evt_struct->xfer_iu->mad.capabilities.common.status) { capabilities_rsp()
1233 evt_struct->xfer_iu->mad.capabilities.common.status); capabilities_rsp()
1259 struct srp_event_struct *evt_struct; send_mad_capabilities() local
1264 evt_struct = get_event_struct(&hostdata->pool); send_mad_capabilities()
1265 BUG_ON(!evt_struct); send_mad_capabilities()
1267 init_event_struct(evt_struct, capabilities_rsp, send_mad_capabilities()
1270 req = &evt_struct->iu.mad.capabilities; send_mad_capabilities()
1313 if (ibmvscsi_send_srp_event(evt_struct, hostdata, info_timeout * 2)) send_mad_capabilities()
1320 * @evt_struct: srp_event_struct with the response
1325 static void fast_fail_rsp(struct srp_event_struct *evt_struct) fast_fail_rsp() argument
1327 struct ibmvscsi_host_data *hostdata = evt_struct->hostdata; fast_fail_rsp()
1328 u16 status = be16_to_cpu(evt_struct->xfer_iu->mad.fast_fail.common.status); fast_fail_rsp()
1351 struct srp_event_struct *evt_struct; enable_fast_fail() local
1358 evt_struct = get_event_struct(&hostdata->pool); enable_fast_fail()
1359 BUG_ON(!evt_struct); enable_fast_fail()
1361 init_event_struct(evt_struct, fast_fail_rsp, VIOSRP_MAD_FORMAT, info_timeout); enable_fast_fail()
1363 fast_fail_mad = &evt_struct->iu.mad.fast_fail; enable_fast_fail()
1369 rc = ibmvscsi_send_srp_event(evt_struct, hostdata, info_timeout * 2); enable_fast_fail()
1376 * @evt_struct: srp_event_struct with the response
1381 static void adapter_info_rsp(struct srp_event_struct *evt_struct) adapter_info_rsp() argument
1383 struct ibmvscsi_host_data *hostdata = evt_struct->hostdata; adapter_info_rsp()
1385 if (evt_struct->xfer_iu->mad.adapter_info.common.status) { adapter_info_rsp()
1387 evt_struct->xfer_iu->mad.adapter_info.common.status); adapter_info_rsp()
1431 struct srp_event_struct *evt_struct; send_mad_adapter_info() local
1434 evt_struct = get_event_struct(&hostdata->pool); send_mad_adapter_info()
1435 BUG_ON(!evt_struct); send_mad_adapter_info()
1437 init_event_struct(evt_struct, send_mad_adapter_info()
1442 req = &evt_struct->iu.mad.adapter_info; send_mad_adapter_info()
1450 if (ibmvscsi_send_srp_event(evt_struct, hostdata, info_timeout * 2)) send_mad_adapter_info()
1466 * Note that after returning from this call, the evt_struct is freed.
1467 * the caller waiting on this completion shouldn't touch the evt_struct
1470 static void sync_completion(struct srp_event_struct *evt_struct) sync_completion() argument
1473 if (evt_struct->sync_srp) sync_completion()
1474 *evt_struct->sync_srp = *evt_struct->xfer_iu; sync_completion()
1476 complete(&evt_struct->comp); sync_completion()
1767 struct srp_event_struct *evt_struct = ibmvscsi_handle_crq() local
1822 if (!valid_event_struct(&hostdata->pool, evt_struct)) { ibmvscsi_handle_crq()
1824 evt_struct); ibmvscsi_handle_crq()
1828 if (atomic_read(&evt_struct->free)) { ibmvscsi_handle_crq()
1830 evt_struct); ibmvscsi_handle_crq()
1835 atomic_add(be32_to_cpu(evt_struct->xfer_iu->srp.rsp.req_lim_delta), ibmvscsi_handle_crq()
1838 del_timer(&evt_struct->timer); ibmvscsi_handle_crq()
1840 if ((crq->status != VIOSRP_OK && crq->status != VIOSRP_OK2) && evt_struct->cmnd) ibmvscsi_handle_crq()
1841 evt_struct->cmnd->result = DID_ERROR << 16; ibmvscsi_handle_crq()
1842 if (evt_struct->done) ibmvscsi_handle_crq()
1843 evt_struct->done(evt_struct); ibmvscsi_handle_crq()
1851 spin_lock_irqsave(evt_struct->hostdata->host->host_lock, flags); ibmvscsi_handle_crq()
1852 list_del(&evt_struct->list); ibmvscsi_handle_crq()
1853 free_event_struct(&evt_struct->hostdata->pool, evt_struct); ibmvscsi_handle_crq()
1854 spin_unlock_irqrestore(evt_struct->hostdata->host->host_lock, flags); ibmvscsi_handle_crq()
1865 struct srp_event_struct *evt_struct; ibmvscsi_do_host_config() local
1870 evt_struct = get_event_struct(&hostdata->pool); ibmvscsi_do_host_config()
1871 if (!evt_struct) { ibmvscsi_do_host_config()
1876 init_event_struct(evt_struct, ibmvscsi_do_host_config()
1881 host_config = &evt_struct->iu.mad.host_config; ibmvscsi_do_host_config()
1896 free_event_struct(&hostdata->pool, evt_struct); ibmvscsi_do_host_config()
1902 init_completion(&evt_struct->comp); ibmvscsi_do_host_config()
1904 rc = ibmvscsi_send_srp_event(evt_struct, hostdata, info_timeout * 2); ibmvscsi_do_host_config()
1907 wait_for_completion(&evt_struct->comp); ibmvscsi_do_host_config()
648 unmap_cmd_data(struct srp_cmd *cmd, struct srp_event_struct *evt_struct, struct device *dev) unmap_cmd_data() argument
690 map_sg_data(struct scsi_cmnd *cmd, struct srp_event_struct *evt_struct, struct srp_cmd *srp_cmd, struct device *dev) map_sg_data() argument
764 map_data_for_srp_cmd(struct scsi_cmnd *cmd, struct srp_event_struct *evt_struct, struct srp_cmd *srp_cmd, struct device *dev) map_data_for_srp_cmd() argument
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