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73 lines
1.6 KiB
73 lines
1.6 KiB
/* |
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* Copyright (C) 2003 Christoph Hellwig. |
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* Released under GPL v2. |
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* |
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* Support for old-style host templates. |
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* |
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* NOTE: Do not use this for new drivers ever. |
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*/ |
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#include <linux/init.h> |
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#include <linux/kernel.h> |
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#include <linux/module.h> |
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#include <scsi/scsi_host.h> |
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static int __init init_this_scsi_driver(void) |
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{ |
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struct scsi_host_template *sht = &driver_template; |
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struct Scsi_Host *shost; |
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struct list_head *l; |
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int error; |
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if (!sht->release) { |
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printk(KERN_ERR |
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"scsi HBA driver %s didn't set a release method.\n", |
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sht->name); |
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return -EINVAL; |
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} |
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sht->module = THIS_MODULE; |
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INIT_LIST_HEAD(&sht->legacy_hosts); |
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sht->detect(sht); |
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if (list_empty(&sht->legacy_hosts)) |
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return -ENODEV; |
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list_for_each_entry(shost, &sht->legacy_hosts, sht_legacy_list) { |
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error = scsi_add_host(shost, NULL); |
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if (error) |
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goto fail; |
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scsi_scan_host(shost); |
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} |
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return 0; |
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fail: |
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l = &shost->sht_legacy_list; |
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while ((l = l->prev) != &sht->legacy_hosts) |
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scsi_remove_host(list_entry(l, struct Scsi_Host, sht_legacy_list)); |
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return error; |
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} |
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static void __exit exit_this_scsi_driver(void) |
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{ |
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struct scsi_host_template *sht = &driver_template; |
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struct Scsi_Host *shost, *s; |
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list_for_each_entry(shost, &sht->legacy_hosts, sht_legacy_list) |
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scsi_remove_host(shost); |
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list_for_each_entry_safe(shost, s, &sht->legacy_hosts, sht_legacy_list) |
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sht->release(shost); |
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if (list_empty(&sht->legacy_hosts)) |
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return; |
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printk(KERN_WARNING "%s did not call scsi_unregister\n", sht->name); |
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dump_stack(); |
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list_for_each_entry_safe(shost, s, &sht->legacy_hosts, sht_legacy_list) |
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scsi_unregister(shost); |
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} |
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module_init(init_this_scsi_driver); |
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module_exit(exit_this_scsi_driver);
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