1 /* cxgb3i_init.c: Chelsio S3xx iSCSI driver.
3 * Copyright (c) 2008 Chelsio Communications, Inc.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
9 * Written by: Karen Xie (kxie@chelsio.com)
14 #define DRV_MODULE_NAME "cxgb3i"
15 #define DRV_MODULE_VERSION "1.0.2"
16 #define DRV_MODULE_RELDATE "Mar. 2009"
18 static char version[] =
19 "Chelsio S3xx iSCSI Driver " DRV_MODULE_NAME
20 " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
22 MODULE_AUTHOR("Karen Xie <kxie@chelsio.com>");
23 MODULE_DESCRIPTION("Chelsio S3xx iSCSI Driver");
24 MODULE_LICENSE("GPL");
25 MODULE_VERSION(DRV_MODULE_VERSION);
27 static void open_s3_dev(struct t3cdev *);
28 static void close_s3_dev(struct t3cdev *);
29 static void s3_err_handler(struct t3cdev *tdev, u32 status, u32 error);
31 static cxgb3_cpl_handler_func cxgb3i_cpl_handlers[NUM_CPL_CMDS];
32 static struct cxgb3_client t3c_client = {
33 .name = "iscsi_cxgb3",
34 .handlers = cxgb3i_cpl_handlers,
36 .remove = close_s3_dev,
37 .err_handler = s3_err_handler,
41 * open_s3_dev - register with cxgb3 LLD
42 * @t3dev: cxgb3 adapter instance
44 static void open_s3_dev(struct t3cdev *t3dev)
46 static int vers_printed;
49 printk(KERN_INFO "%s", version);
53 cxgb3i_ddp_init(t3dev);
54 cxgb3i_sdev_add(t3dev, &t3c_client);
55 cxgb3i_adapter_open(t3dev);
59 * close_s3_dev - de-register with cxgb3 LLD
60 * @t3dev: cxgb3 adapter instance
62 static void close_s3_dev(struct t3cdev *t3dev)
64 cxgb3i_adapter_close(t3dev);
65 cxgb3i_sdev_remove(t3dev);
66 cxgb3i_ddp_cleanup(t3dev);
69 static void s3_err_handler(struct t3cdev *tdev, u32 status, u32 error)
71 struct cxgb3i_adapter *snic = cxgb3i_adapter_find_by_tdev(tdev);
73 cxgb3i_log_info("snic 0x%p, tdev 0x%p, status 0x%x, err 0x%x.\n",
74 snic, tdev, status, error);
79 case OFFLOAD_STATUS_DOWN:
80 snic->flags |= CXGB3I_ADAPTER_FLAG_RESET;
82 case OFFLOAD_STATUS_UP:
83 snic->flags &= ~CXGB3I_ADAPTER_FLAG_RESET;
89 * cxgb3i_init_module - module init entry point
91 * initialize any driver wide global data structures and register itself
92 * with the cxgb3 module
94 static int __init cxgb3i_init_module(void)
98 err = cxgb3i_sdev_init(cxgb3i_cpl_handlers);
102 err = cxgb3i_iscsi_init();
106 err = cxgb3i_pdu_init();
110 cxgb3_register_client(&t3c_client);
116 * cxgb3i_exit_module - module cleanup/exit entry point
118 * go through the driver hba list and for each hba, release any resource held.
119 * and unregisters iscsi transport and the cxgb3 module
121 static void __exit cxgb3i_exit_module(void)
123 cxgb3_unregister_client(&t3c_client);
124 cxgb3i_pdu_cleanup();
125 cxgb3i_iscsi_cleanup();
126 cxgb3i_sdev_cleanup();
129 module_init(cxgb3i_init_module);
130 module_exit(cxgb3i_exit_module);