scsi/ibmvscsi/ibmvscsi.c

10  * Emulation of a SCSI host adapter for Virtual I/O devices
118  * @dev_instance: ibmvscsi_host_data of host that received interrupt
135  * @hostdata:		ibmvscsi_host_data of host
210  * @data:	ibmvscsi_host_data of host
282  * @hostdata:	ibmvscsi_host_data of host
319  * @hostdata:		ibmvscsi_host_data of host
410  * @hostdata:	ibmvscsi_host_data of host
436  * initialize_event_pool: - Allocates and initializes the event pool for a host
481  * release_event_pool() - Frees memory of an event pool of a host
788 	spin_lock_irqsave(hostdata->host->host_lock, flags);
794 		spin_unlock_irqrestore(hostdata->host->host_lock, flags);
805 		spin_lock_irqsave(hostdata->host->host_lock, flags);
807 	spin_unlock_irqrestore(hostdata->host->host_lock, flags);
812  * an adapter failure, reset, or SRP Login. Done under host lock to prevent
821 	spin_lock_irqsave(hostdata->host->host_lock, flags);
823 	spin_unlock_irqrestore(hostdata->host->host_lock, flags);
832 	scsi_block_requests(hostdata->host);
864  * @hostdata:	ibmvscsi_host_data of host
1048 	struct ibmvscsi_host_data *hostdata = shost_priv(cmnd->device->host);
1105  * @hostdata:   ibmvscsi_host_data of host
1137  * @hostdata:   ibmvscsi_host_data of host
1194  * @hostdata:	ibmvscsi_host_data of host
1222 	spin_lock_irqsave(hostdata->host->host_lock, flags);
1224 	spin_unlock_irqrestore(hostdata->host->host_lock, flags);
1262  * @hostdata:	ibmvscsi_host_data of host
1285 	strscpy(hostdata->caps.name, dev_name(&hostdata->host->shost_gendev),
1318 	spin_lock_irqsave(hostdata->host->host_lock, flags);
1321 	spin_unlock_irqrestore(hostdata->host->host_lock, flags);
1347  * enable_fast_fail() - Start host initialization
1348  * @hostdata:	ibmvscsi_host_data of host
1374 	spin_lock_irqsave(hostdata->host->host_lock, flags);
1376 	spin_unlock_irqrestore(hostdata->host->host_lock, flags);
1395 		dev_info(hostdata->dev, "host srp version: %s, "
1396 			 "host partition %s (%d), OS %d, max io %u\n",
1404 			hostdata->host->max_sectors =
1409 			dev_err(hostdata->dev, "host (Ver. %s) doesn't support large transfers\n",
1413 			hostdata->host->sg_tablesize = MAX_INDIRECT_BUFS;
1430  * @hostdata:	ibmvscsi_host_data of host
1455 	spin_lock_irqsave(hostdata->host->host_lock, flags);
1458 	spin_unlock_irqrestore(hostdata->host->host_lock, flags);
1485  * ibmvscsi_eh_abort_handler: Abort a command...from scsi host template
1490 	struct ibmvscsi_host_data *hostdata = shost_priv(cmd->device->host);
1503 	spin_lock_irqsave(hostdata->host->host_lock, flags);
1515 			spin_unlock_irqrestore(hostdata->host->host_lock, flags);
1521 			spin_unlock_irqrestore(hostdata->host->host_lock, flags);
1549 		spin_unlock_irqrestore(hostdata->host->host_lock, flags);
1551 		spin_lock_irqsave(hostdata->host->host_lock, flags);
1554 	spin_unlock_irqrestore(hostdata->host->host_lock, flags);
1593 	spin_lock_irqsave(hostdata->host->host_lock, flags);
1603 		spin_unlock_irqrestore(hostdata->host->host_lock, flags);
1617 	spin_unlock_irqrestore(hostdata->host->host_lock, flags);
1623  * ibmvscsi_eh_device_reset_handler: Reset a single LUN...from scsi host
1629 	struct ibmvscsi_host_data *hostdata = shost_priv(cmd->device->host);
1639 	spin_lock_irqsave(hostdata->host->host_lock, flags);
1644 			spin_unlock_irqrestore(hostdata->host->host_lock, flags);
1671 		spin_unlock_irqrestore(hostdata->host->host_lock, flags);
1673 		spin_lock_irqsave(hostdata->host->host_lock, flags);
1676 	spin_unlock_irqrestore(hostdata->host->host_lock, flags);
1713 	spin_lock_irqsave(hostdata->host->host_lock, flags);
1730 	spin_unlock_irqrestore(hostdata->host->host_lock, flags);
1741 	struct ibmvscsi_host_data *hostdata = shost_priv(cmd->device->host);
1763  * @hostdata:	ibmvscsi_host_data of host
1800 		scsi_block_requests(hostdata->host);
1856 	spin_lock_irqsave(evt_struct->hostdata->host->host_lock, flags);
1859 	spin_unlock_irqrestore(evt_struct->hostdata->host->host_lock, flags);
1872 	struct Scsi_Host *shost = sdev->host;
2130 	spin_lock_irqsave(hostdata->host->host_lock, flags);
2136 		spin_unlock_irqrestore(hostdata->host->host_lock, flags);
2138 		spin_lock_irqsave(hostdata->host->host_lock, flags);
2145 		spin_unlock_irqrestore(hostdata->host->host_lock, flags);
2147 		spin_lock_irqsave(hostdata->host->host_lock, flags);
2153 		spin_unlock_irqrestore(hostdata->host->host_lock, flags);
2158 	spin_unlock_irqrestore(hostdata->host->host_lock, flags);
2165 	scsi_unblock_requests(hostdata->host);
2190 	spin_lock_irqsave(hostdata->host->host_lock, flags);
2192 	spin_unlock_irqrestore(hostdata->host->host_lock, flags);
2225 	struct Scsi_Host *host;
2234 	host = scsi_host_alloc(&driver_template, sizeof(*hostdata));
2235 	if (!host) {
2236 		dev_err(&vdev->dev, "couldn't allocate host data\n");
2240 	host->transportt = ibmvscsi_transport_template;
2241 	hostdata = shost_priv(host);
2245 	hostdata->host = host;
2248 	hostdata->host->max_sectors = IBMVSCSI_MAX_SECTORS_DEFAULT;
2256 					    "ibmvscsi", host->host_no);
2274 	host->max_lun = IBMVSCSI_MAX_LUN;
2275 	host->max_id = max_id;
2276 	host->max_channel = max_channel;
2277 	host->max_cmd_len = 16;
2281 		 host->max_id, host->max_lun, host->max_channel);
2283 	if (scsi_add_host(hostdata->host, hostdata->dev))
2290 	rport = srp_rport_add(host, &ids);
2315 			scsi_scan_host(host);
2325 	scsi_remove_host(hostdata->host);
2335 	scsi_host_put(host);
2344 	srp_remove_host(hostdata->host);
2345 	scsi_remove_host(hostdata->host);
2360 	scsi_host_put(hostdata->host);