1 /* 2 * cxgb4i.h: Chelsio T4 iSCSI driver. 3 * 4 * Copyright (c) 2010-2015 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 26 #define T5_ISS_VALID (1 << 18) 27 28 struct ulptx_idata { 29 __be32 cmd_more; 30 __be32 len; 31 }; 32 33 struct cpl_rx_data_ddp { 34 union opcode_tid ot; 35 __be16 urg; 36 __be16 len; 37 __be32 seq; 38 union { 39 __be32 nxt_seq; 40 __be32 ddp_report; 41 }; 42 __be32 ulp_crc; 43 __be32 ddpvld; 44 }; 45 #endif /* __CXGB4I_H__ */ 46