drivers/scsi/cxgbi/cxgb4i/cxgb4i.h

   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__ */