| Karen Xie | c367346 | 2008-12-09 14:15:32 -0800 | [diff] [blame] | 1 | /* cxgb3i_init.c: Chelsio S3xx iSCSI driver. |
| 2 | * |
| 3 | * Copyright (c) 2008 Chelsio Communications, Inc. |
| 4 | * |
| 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. |
| 8 | * |
| 9 | * Written by: Karen Xie (kxie@chelsio.com) |
| 10 | */ |
| 11 | |
| 12 | #include "cxgb3i.h" |
| 13 | |
| 14 | #define DRV_MODULE_NAME "cxgb3i" |
| Karen Xie | b7e7bd3 | 2009-02-13 21:39:09 -0800 | [diff] [blame] | 15 | #define DRV_MODULE_VERSION "1.0.1" |
| 16 | #define DRV_MODULE_RELDATE "Jan. 2009" |
| Karen Xie | c367346 | 2008-12-09 14:15:32 -0800 | [diff] [blame] | 17 | |
| 18 | static char version[] = |
| 19 | "Chelsio S3xx iSCSI Driver " DRV_MODULE_NAME |
| 20 | " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; |
| 21 | |
| 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); |
| 26 | |
| 27 | static void open_s3_dev(struct t3cdev *); |
| 28 | static void close_s3_dev(struct t3cdev *); |
| 29 | |
| 30 | static cxgb3_cpl_handler_func cxgb3i_cpl_handlers[NUM_CPL_CMDS]; |
| 31 | static struct cxgb3_client t3c_client = { |
| 32 | .name = "iscsi_cxgb3", |
| 33 | .handlers = cxgb3i_cpl_handlers, |
| 34 | .add = open_s3_dev, |
| 35 | .remove = close_s3_dev, |
| 36 | }; |
| 37 | |
| 38 | /** |
| 39 | * open_s3_dev - register with cxgb3 LLD |
| 40 | * @t3dev: cxgb3 adapter instance |
| 41 | */ |
| 42 | static void open_s3_dev(struct t3cdev *t3dev) |
| 43 | { |
| 44 | static int vers_printed; |
| 45 | |
| 46 | if (!vers_printed) { |
| 47 | printk(KERN_INFO "%s", version); |
| 48 | vers_printed = 1; |
| 49 | } |
| 50 | |
| 51 | cxgb3i_sdev_add(t3dev, &t3c_client); |
| 52 | cxgb3i_adapter_add(t3dev); |
| 53 | } |
| 54 | |
| 55 | /** |
| 56 | * close_s3_dev - de-register with cxgb3 LLD |
| 57 | * @t3dev: cxgb3 adapter instance |
| 58 | */ |
| 59 | static void close_s3_dev(struct t3cdev *t3dev) |
| 60 | { |
| 61 | cxgb3i_adapter_remove(t3dev); |
| 62 | cxgb3i_sdev_remove(t3dev); |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * cxgb3i_init_module - module init entry point |
| 67 | * |
| 68 | * initialize any driver wide global data structures and register itself |
| 69 | * with the cxgb3 module |
| 70 | */ |
| 71 | static int __init cxgb3i_init_module(void) |
| 72 | { |
| 73 | int err; |
| 74 | |
| 75 | err = cxgb3i_sdev_init(cxgb3i_cpl_handlers); |
| 76 | if (err < 0) |
| 77 | return err; |
| 78 | |
| 79 | err = cxgb3i_iscsi_init(); |
| 80 | if (err < 0) |
| 81 | return err; |
| 82 | |
| 83 | err = cxgb3i_pdu_init(); |
| 84 | if (err < 0) |
| 85 | return err; |
| 86 | |
| 87 | cxgb3_register_client(&t3c_client); |
| 88 | |
| 89 | return 0; |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * cxgb3i_exit_module - module cleanup/exit entry point |
| 94 | * |
| 95 | * go through the driver hba list and for each hba, release any resource held. |
| 96 | * and unregisters iscsi transport and the cxgb3 module |
| 97 | */ |
| 98 | static void __exit cxgb3i_exit_module(void) |
| 99 | { |
| 100 | cxgb3_unregister_client(&t3c_client); |
| 101 | cxgb3i_pdu_cleanup(); |
| 102 | cxgb3i_iscsi_cleanup(); |
| 103 | cxgb3i_sdev_cleanup(); |
| 104 | } |
| 105 | |
| 106 | module_init(cxgb3i_init_module); |
| 107 | module_exit(cxgb3i_exit_module); |