drivers/scsi/cxgb3i/cxgb3i_pdu.h

   1 /*
   2  * cxgb3i_ulp2.h: Chelsio S3xx iSCSI driver.
   3  *
   4  * Copyright (c) 2008 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  */
  12
  13 #ifndef __CXGB3I_ULP2_PDU_H__
  14 #define __CXGB3I_ULP2_PDU_H__
  15
  16 struct cpl_iscsi_hdr_norss {
  17         union opcode_tid ot;
  18         u16 pdu_len_ddp;
  19         u16 len;
  20         u32 seq;
  21         u16 urg;
  22         u8 rsvd;
  23         u8 status;
  24 };
  25
  26 struct cpl_rx_data_ddp_norss {
  27         union opcode_tid ot;
  28         u16 urg;
  29         u16 len;
  30         u32 seq;
  31         u32 nxt_seq;
  32         u32 ulp_crc;
  33         u32 ddp_status;
  34 };
  35
  36 #define RX_DDP_STATUS_IPP_SHIFT         27      /* invalid pagepod */
  37 #define RX_DDP_STATUS_TID_SHIFT         26      /* tid mismatch */
  38 #define RX_DDP_STATUS_COLOR_SHIFT       25      /* color mismatch */
  39 #define RX_DDP_STATUS_OFFSET_SHIFT      24      /* offset mismatch */
  40 #define RX_DDP_STATUS_ULIMIT_SHIFT      23      /* ulimit error */
  41 #define RX_DDP_STATUS_TAG_SHIFT         22      /* tag mismatch */
  42 #define RX_DDP_STATUS_DCRC_SHIFT        21      /* dcrc error */
  43 #define RX_DDP_STATUS_HCRC_SHIFT        20      /* hcrc error */
  44 #define RX_DDP_STATUS_PAD_SHIFT         19      /* pad error */
  45 #define RX_DDP_STATUS_PPP_SHIFT         18      /* pagepod parity error */
  46 #define RX_DDP_STATUS_LLIMIT_SHIFT      17      /* llimit error */
  47 #define RX_DDP_STATUS_DDP_SHIFT         16      /* ddp'able */
  48 #define RX_DDP_STATUS_PMM_SHIFT         15      /* pagepod mismatch */
  49
  50 #define ULP2_FLAG_DATA_READY            0x1
  51 #define ULP2_FLAG_DATA_DDPED            0x2
  52 #define ULP2_FLAG_HCRC_ERROR            0x10
  53 #define ULP2_FLAG_DCRC_ERROR            0x20
  54 #define ULP2_FLAG_PAD_ERROR             0x40
  55
  56 void cxgb3i_conn_closing(struct s3_conn *c3cn);
  57 void cxgb3i_conn_pdu_ready(struct s3_conn *c3cn);
  58 void cxgb3i_conn_tx_open(struct s3_conn *c3cn);
  59 #endif