1/* 2 * cxgb4i.h: Chelsio T4 iSCSI driver. 3 * 4 * Copyright (c) 2010 Chelsio Communications, Inc. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation. 9 * 10 * Written by: Karen Xie (kxie@chelsio.com) 11 * Written by: Rakesh Ranjan (rranjan@chelsio.com) 12 */ 13 14#ifndef __CXGB4I_H__ 15#define __CXGB4I_H__ 16 17#define CXGB4I_SCSI_HOST_QDEPTH 1024 18#define CXGB4I_MAX_CONN 16384 19#define CXGB4I_MAX_TARGET CXGB4I_MAX_CONN 20#define CXGB4I_MAX_LUN 0x1000 21 22/* for TX: a skb must have a headroom of at least TX_HEADER_LEN bytes */ 23#define CXGB4I_TX_HEADER_LEN \ 24 (sizeof(struct fw_ofld_tx_data_wr) + sizeof(struct sge_opaque_hdr)) 25 26struct ulptx_idata { 27 __be32 cmd_more; 28 __be32 len; 29}; 30 31struct cpl_rx_data_ddp { 32 union opcode_tid ot; 33 __be16 urg; 34 __be16 len; 35 __be32 seq; 36 union { 37 __be32 nxt_seq; 38 __be32 ddp_report; 39 }; 40 __be32 ulp_crc; 41 __be32 ddpvld; 42}; 43#endif /* __CXGB4I_H__ */ 44