mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-25 16:05:34 +07:00
74 lines
1.6 KiB
C
74 lines
1.6 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2003 Christoph Hellwig.
|
||
|
|
* Released under GPL v2.
|
||
|
|
*
|
||
|
|
* Support for old-style host templates.
|
||
|
|
*
|
||
|
|
* NOTE: Do not use this for new drivers ever.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/init.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
|
||
|
|
#include <scsi/scsi_host.h>
|
||
|
|
|
||
|
|
|
||
|
|
static int __init init_this_scsi_driver(void)
|
||
|
|
{
|
||
|
|
struct scsi_host_template *sht = &driver_template;
|
||
|
|
struct Scsi_Host *shost;
|
||
|
|
struct list_head *l;
|
||
|
|
int error;
|
||
|
|
|
||
|
|
if (!sht->release) {
|
||
|
|
printk(KERN_ERR
|
||
|
|
"scsi HBA driver %s didn't set a release method.\n",
|
||
|
|
sht->name);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
sht->module = THIS_MODULE;
|
||
|
|
INIT_LIST_HEAD(&sht->legacy_hosts);
|
||
|
|
|
||
|
|
sht->detect(sht);
|
||
|
|
if (list_empty(&sht->legacy_hosts))
|
||
|
|
return -ENODEV;
|
||
|
|
|
||
|
|
list_for_each_entry(shost, &sht->legacy_hosts, sht_legacy_list) {
|
||
|
|
error = scsi_add_host(shost, NULL);
|
||
|
|
if (error)
|
||
|
|
goto fail;
|
||
|
|
scsi_scan_host(shost);
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
fail:
|
||
|
|
l = &shost->sht_legacy_list;
|
||
|
|
while ((l = l->prev) != &sht->legacy_hosts)
|
||
|
|
scsi_remove_host(list_entry(l, struct Scsi_Host, sht_legacy_list));
|
||
|
|
return error;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __exit exit_this_scsi_driver(void)
|
||
|
|
{
|
||
|
|
struct scsi_host_template *sht = &driver_template;
|
||
|
|
struct Scsi_Host *shost, *s;
|
||
|
|
|
||
|
|
list_for_each_entry(shost, &sht->legacy_hosts, sht_legacy_list)
|
||
|
|
scsi_remove_host(shost);
|
||
|
|
list_for_each_entry_safe(shost, s, &sht->legacy_hosts, sht_legacy_list)
|
||
|
|
sht->release(shost);
|
||
|
|
|
||
|
|
if (list_empty(&sht->legacy_hosts))
|
||
|
|
return;
|
||
|
|
|
||
|
|
printk(KERN_WARNING "%s did not call scsi_unregister\n", sht->name);
|
||
|
|
dump_stack();
|
||
|
|
|
||
|
|
list_for_each_entry_safe(shost, s, &sht->legacy_hosts, sht_legacy_list)
|
||
|
|
scsi_unregister(shost);
|
||
|
|
}
|
||
|
|
|
||
|
|
module_init(init_this_scsi_driver);
|
||
|
|
module_exit(exit_this_scsi_driver);
|