mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-14 06:24:53 +08:00
bdf252183e
This patch adds a validation step before allowing creation of a new NPIV port. It checks whether the WWPN passed for the new NPIV port to be created is unique for the given physical port. Signed-off-by: Neerav Parikh <Neerav.Parikh@intel.com> Tested-by: Ross Brattain <ross.b.brattain@intel.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <jbottomley@parallels.com>
113 lines
3.4 KiB
C
113 lines
3.4 KiB
C
/*
|
|
* Copyright(c) 2009 Intel Corporation. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with
|
|
* this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Maintained at www.Open-FCoE.org
|
|
*/
|
|
|
|
#ifndef _FCOE_H_
|
|
#define _FCOE_H_
|
|
|
|
#include <linux/skbuff.h>
|
|
#include <linux/kthread.h>
|
|
|
|
#define FCOE_MAX_QUEUE_DEPTH 256
|
|
#define FCOE_MIN_QUEUE_DEPTH 32
|
|
|
|
#define FCOE_WORD_TO_BYTE 4
|
|
|
|
#define FCOE_VERSION "0.1"
|
|
#define FCOE_NAME "fcoe"
|
|
#define FCOE_VENDOR "Open-FCoE.org"
|
|
|
|
#define FCOE_MAX_LUN 0xFFFF
|
|
#define FCOE_MAX_FCP_TARGET 256
|
|
|
|
#define FCOE_MAX_OUTSTANDING_COMMANDS 1024
|
|
|
|
#define FCOE_MIN_XID 0x0000 /* the min xid supported by fcoe_sw */
|
|
#define FCOE_MAX_XID 0x0FFF /* the max xid supported by fcoe_sw */
|
|
|
|
unsigned int fcoe_debug_logging;
|
|
module_param_named(debug_logging, fcoe_debug_logging, int, S_IRUGO|S_IWUSR);
|
|
MODULE_PARM_DESC(debug_logging, "a bit mask of logging levels");
|
|
|
|
#define FCOE_LOGGING 0x01 /* General logging, not categorized */
|
|
#define FCOE_NETDEV_LOGGING 0x02 /* Netdevice logging */
|
|
|
|
#define FCOE_CHECK_LOGGING(LEVEL, CMD) \
|
|
do { \
|
|
if (unlikely(fcoe_debug_logging & LEVEL)) \
|
|
do { \
|
|
CMD; \
|
|
} while (0); \
|
|
} while (0)
|
|
|
|
#define FCOE_DBG(fmt, args...) \
|
|
FCOE_CHECK_LOGGING(FCOE_LOGGING, \
|
|
printk(KERN_INFO "fcoe: " fmt, ##args);)
|
|
|
|
#define FCOE_NETDEV_DBG(netdev, fmt, args...) \
|
|
FCOE_CHECK_LOGGING(FCOE_NETDEV_LOGGING, \
|
|
printk(KERN_INFO "fcoe: %s: " fmt, \
|
|
netdev->name, ##args);)
|
|
|
|
/**
|
|
* struct fcoe_interface - A FCoE interface
|
|
* @list: Handle for a list of FCoE interfaces
|
|
* @netdev: The associated net device
|
|
* @fcoe_packet_type: FCoE packet type
|
|
* @fip_packet_type: FIP packet type
|
|
* @ctlr: The FCoE controller (for FIP)
|
|
* @oem: The offload exchange manager for all local port
|
|
* instances associated with this port
|
|
* @kref: The kernel reference
|
|
*
|
|
* This structure is 1:1 with a net devive.
|
|
*/
|
|
struct fcoe_interface {
|
|
struct list_head list;
|
|
struct net_device *netdev;
|
|
struct packet_type fcoe_packet_type;
|
|
struct packet_type fip_packet_type;
|
|
struct fcoe_ctlr ctlr;
|
|
struct fc_exch_mgr *oem;
|
|
struct kref kref;
|
|
};
|
|
|
|
#define fcoe_from_ctlr(fip) container_of(fip, struct fcoe_interface, ctlr)
|
|
|
|
/**
|
|
* fcoe_netdev() - Return the net device associated with a local port
|
|
* @lport: The local port to get the net device from
|
|
*/
|
|
static inline struct net_device *fcoe_netdev(const struct fc_lport *lport)
|
|
{
|
|
return ((struct fcoe_interface *)
|
|
((struct fcoe_port *)lport_priv(lport))->priv)->netdev;
|
|
}
|
|
|
|
static inline void wwn_to_str(u64 wwn, char *buf, int len)
|
|
{
|
|
u8 wwpn[8];
|
|
|
|
u64_to_wwn(wwn, wwpn);
|
|
snprintf(buf, len, "%02x%02x%02x%02x%02x%02x%02x%02x",
|
|
wwpn[0], wwpn[1], wwpn[2], wwpn[3],
|
|
wwpn[4], wwpn[5], wwpn[6], wwpn[7]);
|
|
}
|
|
|
|
#endif /* _FCOE_H_ */
|