fa0d4c11c4
Massage the err_handler upcall into an event handler upcall, pass netdev port events to the cxgb3 ULPs and generate RDMA port events based on LLD port events. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
130 lines
3 KiB
C
130 lines
3 KiB
C
/* cxgb3i_init.c: Chelsio S3xx iSCSI driver.
|
|
*
|
|
* Copyright (c) 2008 Chelsio Communications, Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation.
|
|
*
|
|
* Written by: Karen Xie (kxie@chelsio.com)
|
|
*/
|
|
|
|
#include "cxgb3i.h"
|
|
|
|
#define DRV_MODULE_NAME "cxgb3i"
|
|
#define DRV_MODULE_VERSION "1.0.2"
|
|
#define DRV_MODULE_RELDATE "Mar. 2009"
|
|
|
|
static char version[] =
|
|
"Chelsio S3xx iSCSI Driver " DRV_MODULE_NAME
|
|
" v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
|
|
|
|
MODULE_AUTHOR("Karen Xie <kxie@chelsio.com>");
|
|
MODULE_DESCRIPTION("Chelsio S3xx iSCSI Driver");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_VERSION(DRV_MODULE_VERSION);
|
|
|
|
static void open_s3_dev(struct t3cdev *);
|
|
static void close_s3_dev(struct t3cdev *);
|
|
static void s3_event_handler(struct t3cdev *tdev, u32 event, u32 port);
|
|
|
|
static cxgb3_cpl_handler_func cxgb3i_cpl_handlers[NUM_CPL_CMDS];
|
|
static struct cxgb3_client t3c_client = {
|
|
.name = "iscsi_cxgb3",
|
|
.handlers = cxgb3i_cpl_handlers,
|
|
.add = open_s3_dev,
|
|
.remove = close_s3_dev,
|
|
.event_handler = s3_event_handler,
|
|
};
|
|
|
|
/**
|
|
* open_s3_dev - register with cxgb3 LLD
|
|
* @t3dev: cxgb3 adapter instance
|
|
*/
|
|
static void open_s3_dev(struct t3cdev *t3dev)
|
|
{
|
|
static int vers_printed;
|
|
|
|
if (!vers_printed) {
|
|
printk(KERN_INFO "%s", version);
|
|
vers_printed = 1;
|
|
}
|
|
|
|
cxgb3i_ddp_init(t3dev);
|
|
cxgb3i_sdev_add(t3dev, &t3c_client);
|
|
cxgb3i_adapter_open(t3dev);
|
|
}
|
|
|
|
/**
|
|
* close_s3_dev - de-register with cxgb3 LLD
|
|
* @t3dev: cxgb3 adapter instance
|
|
*/
|
|
static void close_s3_dev(struct t3cdev *t3dev)
|
|
{
|
|
cxgb3i_adapter_close(t3dev);
|
|
cxgb3i_sdev_remove(t3dev);
|
|
cxgb3i_ddp_cleanup(t3dev);
|
|
}
|
|
|
|
static void s3_event_handler(struct t3cdev *tdev, u32 event, u32 port)
|
|
{
|
|
struct cxgb3i_adapter *snic = cxgb3i_adapter_find_by_tdev(tdev);
|
|
|
|
cxgb3i_log_info("snic 0x%p, tdev 0x%p, event 0x%x, port 0x%x.\n",
|
|
snic, tdev, event, port);
|
|
if (!snic)
|
|
return;
|
|
|
|
switch (event) {
|
|
case OFFLOAD_STATUS_DOWN:
|
|
snic->flags |= CXGB3I_ADAPTER_FLAG_RESET;
|
|
break;
|
|
case OFFLOAD_STATUS_UP:
|
|
snic->flags &= ~CXGB3I_ADAPTER_FLAG_RESET;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* cxgb3i_init_module - module init entry point
|
|
*
|
|
* initialize any driver wide global data structures and register itself
|
|
* with the cxgb3 module
|
|
*/
|
|
static int __init cxgb3i_init_module(void)
|
|
{
|
|
int err;
|
|
|
|
err = cxgb3i_sdev_init(cxgb3i_cpl_handlers);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = cxgb3i_iscsi_init();
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = cxgb3i_pdu_init();
|
|
if (err < 0)
|
|
return err;
|
|
|
|
cxgb3_register_client(&t3c_client);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* cxgb3i_exit_module - module cleanup/exit entry point
|
|
*
|
|
* go through the driver hba list and for each hba, release any resource held.
|
|
* and unregisters iscsi transport and the cxgb3 module
|
|
*/
|
|
static void __exit cxgb3i_exit_module(void)
|
|
{
|
|
cxgb3_unregister_client(&t3c_client);
|
|
cxgb3i_pdu_cleanup();
|
|
cxgb3i_iscsi_cleanup();
|
|
cxgb3i_sdev_cleanup();
|
|
}
|
|
|
|
module_init(cxgb3i_init_module);
|
|
module_exit(cxgb3i_exit_module);
|