diff options
Diffstat (limited to 'drivers/scsi/fcoe/fcoe.h')
-rw-r--r-- | drivers/scsi/fcoe/fcoe.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/scsi/fcoe/fcoe.h b/drivers/scsi/fcoe/fcoe.h new file mode 100644 index 00000000000..917aae88689 --- /dev/null +++ b/drivers/scsi/fcoe/fcoe.h @@ -0,0 +1,75 @@ +/* + * 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_LOW_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 255 +#define FCOE_MAX_FCP_TARGET 256 + +#define FCOE_MAX_OUTSTANDING_COMMANDS 1024 + +#define FCOE_MIN_XID 0x0001 /* the min xid supported by fcoe_sw */ +#define FCOE_MAX_XID 0x07ef /* the max xid supported by fcoe_sw */ + +/* + * this percpu struct for fcoe + */ +struct fcoe_percpu_s { + struct task_struct *thread; + struct sk_buff_head fcoe_rx_list; + struct page *crc_eof_page; + int crc_eof_offset; +}; + +/* + * the fcoe sw transport private data + */ +struct fcoe_softc { + struct list_head list; + struct net_device *real_dev; + struct net_device *phys_dev; /* device with ethtool_ops */ + struct packet_type fcoe_packet_type; + struct packet_type fip_packet_type; + struct sk_buff_head fcoe_pending_queue; + u8 fcoe_pending_queue_active; + struct fcoe_ctlr ctlr; +}; + +#define fcoe_from_ctlr(fc) container_of(fc, struct fcoe_softc, ctlr) + +static inline struct net_device *fcoe_netdev( + const struct fc_lport *lp) +{ + return ((struct fcoe_softc *)lport_priv(lp))->real_dev; +} + +#endif /* _FCOE_H_ */ |