drivers/infiniband/hw/nes/nes_context.h - kernel/prism - Git at Google

 /*
  * Copyright (c) 2006 - 2009 Intel-NE, Inc.  All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
  * General Public License (GPL) Version 2, available from the file
  * COPYING in the main directory of this source tree, or the
  * OpenIB.org BSD license below:
  *
  *     Redistribution and use in source and binary forms, with or
  *     without modification, are permitted provided that the following
  *     conditions are met:
  *
  *      - Redistributions of source code must retain the above
  *        copyright notice, this list of conditions and the following
  *        disclaimer.
  *
  *      - Redistributions in binary form must reproduce the above
  *        copyright notice, this list of conditions and the following
  *        disclaimer in the documentation and/or other materials
  *        provided with the distribution.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */

 #ifndef NES_CONTEXT_H
 #define NES_CONTEXT_H

 struct nes_qp_context {
 	__le32   misc;
 	__le32   cqs;
 	__le32   sq_addr_low;
 	__le32   sq_addr_high;
 	__le32   rq_addr_low;
 	__le32   rq_addr_high;
 	__le32   misc2;
 	__le16   tcpPorts[2];
 	__le32   ip0;
 	__le32   ip1;
 	__le32   ip2;
 	__le32   ip3;
 	__le32   mss;
 	__le32   arp_index_vlan;
 	__le32   tcp_state_flow_label;
 	__le32   pd_index_wscale;
 	__le32   keepalive;
 	u32   ts_recent;
 	u32   ts_age;
 	__le32   snd_nxt;
 	__le32   snd_wnd;
 	__le32   rcv_nxt;
 	__le32   rcv_wnd;
 	__le32   snd_max;
 	__le32   snd_una;
 	u32   srtt;
 	__le32   rttvar;
 	__le32   ssthresh;
 	__le32   cwnd;
 	__le32   snd_wl1;
 	__le32   snd_wl2;
 	__le32   max_snd_wnd;
 	__le32   ts_val_delta;
 	u32   retransmit;
 	u32   probe_cnt;
 	u32   hte_index;
 	__le32   q2_addr_low;
 	__le32   q2_addr_high;
 	__le32   ird_index;
 	u32   Rsvd3;
 	__le32   ird_ord_sizes;
 	u32   mrkr_offset;
 	__le32   aeq_token_low;
 	__le32   aeq_token_high;
 };

 /* QP Context Misc Field */

 #define NES_QPCONTEXT_MISC_IWARP_VER_MASK    0x00000003
 #define NES_QPCONTEXT_MISC_IWARP_VER_SHIFT   0
 #define NES_QPCONTEXT_MISC_EFB_SIZE_MASK     0x000000C0
 #define NES_QPCONTEXT_MISC_EFB_SIZE_SHIFT    6
 #define NES_QPCONTEXT_MISC_RQ_SIZE_MASK      0x00000300
 #define NES_QPCONTEXT_MISC_RQ_SIZE_SHIFT     8
 #define NES_QPCONTEXT_MISC_SQ_SIZE_MASK      0x00000c00
 #define NES_QPCONTEXT_MISC_SQ_SIZE_SHIFT     10
 #define NES_QPCONTEXT_MISC_PCI_FCN_MASK      0x00007000
 #define NES_QPCONTEXT_MISC_PCI_FCN_SHIFT     12
 #define NES_QPCONTEXT_MISC_DUP_ACKS_MASK     0x00070000
 #define NES_QPCONTEXT_MISC_DUP_ACKS_SHIFT    16

 enum nes_qp_context_misc_bits {
 	NES_QPCONTEXT_MISC_RX_WQE_SIZE         = 0x00000004,
 	NES_QPCONTEXT_MISC_IPV4                = 0x00000008,
 	NES_QPCONTEXT_MISC_DO_NOT_FRAG         = 0x00000010,
 	NES_QPCONTEXT_MISC_INSERT_VLAN         = 0x00000020,
 	NES_QPCONTEXT_MISC_DROS                = 0x00008000,
 	NES_QPCONTEXT_MISC_WSCALE              = 0x00080000,
 	NES_QPCONTEXT_MISC_KEEPALIVE           = 0x00100000,
 	NES_QPCONTEXT_MISC_TIMESTAMP           = 0x00200000,
 	NES_QPCONTEXT_MISC_SACK                = 0x00400000,
 	NES_QPCONTEXT_MISC_RDMA_WRITE_EN       = 0x00800000,
 	NES_QPCONTEXT_MISC_RDMA_READ_EN        = 0x01000000,
 	NES_QPCONTEXT_MISC_WBIND_EN            = 0x10000000,
 	NES_QPCONTEXT_MISC_FAST_REGISTER_EN    = 0x20000000,
 	NES_QPCONTEXT_MISC_PRIV_EN             = 0x40000000,
 	NES_QPCONTEXT_MISC_NO_NAGLE            = 0x80000000
 };

 enum nes_qp_acc_wq_sizes {
 	HCONTEXT_TSA_WQ_SIZE_4 = 0,
 	HCONTEXT_TSA_WQ_SIZE_32 = 1,
 	HCONTEXT_TSA_WQ_SIZE_128 = 2,
 	HCONTEXT_TSA_WQ_SIZE_512 = 3
 };

 /* QP Context Misc2 Fields */
 #define NES_QPCONTEXT_MISC2_TTL_MASK            0x000000ff
 #define NES_QPCONTEXT_MISC2_TTL_SHIFT           0
 #define NES_QPCONTEXT_MISC2_HOP_LIMIT_MASK      0x000000ff
 #define NES_QPCONTEXT_MISC2_HOP_LIMIT_SHIFT     0
 #define NES_QPCONTEXT_MISC2_LIMIT_MASK          0x00000300
 #define NES_QPCONTEXT_MISC2_LIMIT_SHIFT         8
 #define NES_QPCONTEXT_MISC2_NIC_INDEX_MASK      0x0000fc00
 #define NES_QPCONTEXT_MISC2_NIC_INDEX_SHIFT     10
 #define NES_QPCONTEXT_MISC2_SRC_IP_MASK         0x001f0000
 #define NES_QPCONTEXT_MISC2_SRC_IP_SHIFT        16
 #define NES_QPCONTEXT_MISC2_TOS_MASK            0xff000000
 #define NES_QPCONTEXT_MISC2_TOS_SHIFT           24
 #define NES_QPCONTEXT_MISC2_TRAFFIC_CLASS_MASK  0xff000000
 #define NES_QPCONTEXT_MISC2_TRAFFIC_CLASS_SHIFT 24

 /* QP Context Tcp State/Flow Label Fields */
 #define NES_QPCONTEXT_TCPFLOW_FLOW_LABEL_MASK   0x000fffff
 #define NES_QPCONTEXT_TCPFLOW_FLOW_LABEL_SHIFT  0
 #define NES_QPCONTEXT_TCPFLOW_TCP_STATE_MASK    0xf0000000
 #define NES_QPCONTEXT_TCPFLOW_TCP_STATE_SHIFT   28

 enum nes_qp_tcp_state {
 	NES_QPCONTEXT_TCPSTATE_CLOSED = 1,
 	NES_QPCONTEXT_TCPSTATE_EST = 5,
 	NES_QPCONTEXT_TCPSTATE_TIME_WAIT = 11,
 };

 /* QP Context PD Index/wscale Fields */
 #define NES_QPCONTEXT_PDWSCALE_RCV_WSCALE_MASK  0x0000000f
 #define NES_QPCONTEXT_PDWSCALE_RCV_WSCALE_SHIFT 0
 #define NES_QPCONTEXT_PDWSCALE_SND_WSCALE_MASK  0x00000f00
 #define NES_QPCONTEXT_PDWSCALE_SND_WSCALE_SHIFT 8
 #define NES_QPCONTEXT_PDWSCALE_PDINDEX_MASK     0xffff0000
 #define NES_QPCONTEXT_PDWSCALE_PDINDEX_SHIFT    16

 /* QP Context Keepalive Fields */
 #define NES_QPCONTEXT_KEEPALIVE_DELTA_MASK      0x0000ffff
 #define NES_QPCONTEXT_KEEPALIVE_DELTA_SHIFT     0
 #define NES_QPCONTEXT_KEEPALIVE_PROBE_CNT_MASK  0x00ff0000
 #define NES_QPCONTEXT_KEEPALIVE_PROBE_CNT_SHIFT 16
 #define NES_QPCONTEXT_KEEPALIVE_INTV_MASK       0xff000000
 #define NES_QPCONTEXT_KEEPALIVE_INTV_SHIFT      24

 /* QP Context ORD/IRD Fields */
 #define NES_QPCONTEXT_ORDIRD_ORDSIZE_MASK       0x0000007f
 #define NES_QPCONTEXT_ORDIRD_ORDSIZE_SHIFT      0
 #define NES_QPCONTEXT_ORDIRD_IRDSIZE_MASK       0x00030000
 #define NES_QPCONTEXT_ORDIRD_IRDSIZE_SHIFT      16
 #define NES_QPCONTEXT_ORDIRD_IWARP_MODE_MASK    0x30000000
 #define NES_QPCONTEXT_ORDIRD_IWARP_MODE_SHIFT   28

 enum nes_ord_ird_bits {
 	NES_QPCONTEXT_ORDIRD_WRPDU                   = 0x02000000,
 	NES_QPCONTEXT_ORDIRD_LSMM_PRESENT            = 0x04000000,
 	NES_QPCONTEXT_ORDIRD_ALSMM                   = 0x08000000,
 	NES_QPCONTEXT_ORDIRD_AAH                     = 0x40000000,
 	NES_QPCONTEXT_ORDIRD_RNMC                    = 0x80000000
 };

 enum nes_iwarp_qp_state {
 	NES_QPCONTEXT_IWARP_STATE_NONEXIST  = 0,
 	NES_QPCONTEXT_IWARP_STATE_IDLE      = 1,
 	NES_QPCONTEXT_IWARP_STATE_RTS       = 2,
 	NES_QPCONTEXT_IWARP_STATE_CLOSING   = 3,
 	NES_QPCONTEXT_IWARP_STATE_TERMINATE = 5,
 	NES_QPCONTEXT_IWARP_STATE_ERROR     = 6
 };


 #endif		/* NES_CONTEXT_H */
	/*
	* Copyright (c) 2006 - 2009 Intel-NE, Inc. All rights reserved.
	*
	* This software is available to you under a choice of one of two
	* licenses. You may choose to be licensed under the terms of the GNU
	* General Public License (GPL) Version 2, available from the file
	* COPYING in the main directory of this source tree, or the
	* OpenIB.org BSD license below:
	*
	* Redistribution and use in source and binary forms, with or
	* without modification, are permitted provided that the following
	* conditions are met:
	*
	* - Redistributions of source code must retain the above
	* copyright notice, this list of conditions and the following
	* disclaimer.
	*
	* - Redistributions in binary form must reproduce the above
	* copyright notice, this list of conditions and the following
	* disclaimer in the documentation and/or other materials
	* provided with the distribution.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	* SOFTWARE.
	*/

	#ifndef NES_CONTEXT_H
	#define NES_CONTEXT_H

	struct nes_qp_context {
	__le32 misc;
	__le32 cqs;
	__le32 sq_addr_low;
	__le32 sq_addr_high;
	__le32 rq_addr_low;
	__le32 rq_addr_high;
	__le32 misc2;
	__le16 tcpPorts[2];
	__le32 ip0;
	__le32 ip1;
	__le32 ip2;
	__le32 ip3;
	__le32 mss;
	__le32 arp_index_vlan;
	__le32 tcp_state_flow_label;
	__le32 pd_index_wscale;
	__le32 keepalive;
	u32 ts_recent;
	u32 ts_age;
	__le32 snd_nxt;
	__le32 snd_wnd;
	__le32 rcv_nxt;
	__le32 rcv_wnd;
	__le32 snd_max;
	__le32 snd_una;
	u32 srtt;
	__le32 rttvar;
	__le32 ssthresh;
	__le32 cwnd;
	__le32 snd_wl1;
	__le32 snd_wl2;
	__le32 max_snd_wnd;
	__le32 ts_val_delta;
	u32 retransmit;
	u32 probe_cnt;
	u32 hte_index;
	__le32 q2_addr_low;
	__le32 q2_addr_high;
	__le32 ird_index;
	u32 Rsvd3;
	__le32 ird_ord_sizes;
	u32 mrkr_offset;
	__le32 aeq_token_low;
	__le32 aeq_token_high;
	};

	/* QP Context Misc Field */

	#define NES_QPCONTEXT_MISC_IWARP_VER_MASK 0x00000003
	#define NES_QPCONTEXT_MISC_IWARP_VER_SHIFT 0
	#define NES_QPCONTEXT_MISC_EFB_SIZE_MASK 0x000000C0
	#define NES_QPCONTEXT_MISC_EFB_SIZE_SHIFT 6
	#define NES_QPCONTEXT_MISC_RQ_SIZE_MASK 0x00000300
	#define NES_QPCONTEXT_MISC_RQ_SIZE_SHIFT 8
	#define NES_QPCONTEXT_MISC_SQ_SIZE_MASK 0x00000c00
	#define NES_QPCONTEXT_MISC_SQ_SIZE_SHIFT 10
	#define NES_QPCONTEXT_MISC_PCI_FCN_MASK 0x00007000
	#define NES_QPCONTEXT_MISC_PCI_FCN_SHIFT 12
	#define NES_QPCONTEXT_MISC_DUP_ACKS_MASK 0x00070000
	#define NES_QPCONTEXT_MISC_DUP_ACKS_SHIFT 16

	enum nes_qp_context_misc_bits {
	NES_QPCONTEXT_MISC_RX_WQE_SIZE = 0x00000004,
	NES_QPCONTEXT_MISC_IPV4 = 0x00000008,
	NES_QPCONTEXT_MISC_DO_NOT_FRAG = 0x00000010,
	NES_QPCONTEXT_MISC_INSERT_VLAN = 0x00000020,
	NES_QPCONTEXT_MISC_DROS = 0x00008000,
	NES_QPCONTEXT_MISC_WSCALE = 0x00080000,
	NES_QPCONTEXT_MISC_KEEPALIVE = 0x00100000,
	NES_QPCONTEXT_MISC_TIMESTAMP = 0x00200000,
	NES_QPCONTEXT_MISC_SACK = 0x00400000,
	NES_QPCONTEXT_MISC_RDMA_WRITE_EN = 0x00800000,
	NES_QPCONTEXT_MISC_RDMA_READ_EN = 0x01000000,
	NES_QPCONTEXT_MISC_WBIND_EN = 0x10000000,
	NES_QPCONTEXT_MISC_FAST_REGISTER_EN = 0x20000000,
	NES_QPCONTEXT_MISC_PRIV_EN = 0x40000000,
	NES_QPCONTEXT_MISC_NO_NAGLE = 0x80000000
	};

	enum nes_qp_acc_wq_sizes {
	HCONTEXT_TSA_WQ_SIZE_4 = 0,
	HCONTEXT_TSA_WQ_SIZE_32 = 1,
	HCONTEXT_TSA_WQ_SIZE_128 = 2,
	HCONTEXT_TSA_WQ_SIZE_512 = 3
	};

	/* QP Context Misc2 Fields */
	#define NES_QPCONTEXT_MISC2_TTL_MASK 0x000000ff
	#define NES_QPCONTEXT_MISC2_TTL_SHIFT 0
	#define NES_QPCONTEXT_MISC2_HOP_LIMIT_MASK 0x000000ff
	#define NES_QPCONTEXT_MISC2_HOP_LIMIT_SHIFT 0
	#define NES_QPCONTEXT_MISC2_LIMIT_MASK 0x00000300
	#define NES_QPCONTEXT_MISC2_LIMIT_SHIFT 8
	#define NES_QPCONTEXT_MISC2_NIC_INDEX_MASK 0x0000fc00
	#define NES_QPCONTEXT_MISC2_NIC_INDEX_SHIFT 10
	#define NES_QPCONTEXT_MISC2_SRC_IP_MASK 0x001f0000
	#define NES_QPCONTEXT_MISC2_SRC_IP_SHIFT 16
	#define NES_QPCONTEXT_MISC2_TOS_MASK 0xff000000
	#define NES_QPCONTEXT_MISC2_TOS_SHIFT 24
	#define NES_QPCONTEXT_MISC2_TRAFFIC_CLASS_MASK 0xff000000
	#define NES_QPCONTEXT_MISC2_TRAFFIC_CLASS_SHIFT 24

	/* QP Context Tcp State/Flow Label Fields */
	#define NES_QPCONTEXT_TCPFLOW_FLOW_LABEL_MASK 0x000fffff
	#define NES_QPCONTEXT_TCPFLOW_FLOW_LABEL_SHIFT 0
	#define NES_QPCONTEXT_TCPFLOW_TCP_STATE_MASK 0xf0000000
	#define NES_QPCONTEXT_TCPFLOW_TCP_STATE_SHIFT 28

	enum nes_qp_tcp_state {
	NES_QPCONTEXT_TCPSTATE_CLOSED = 1,
	NES_QPCONTEXT_TCPSTATE_EST = 5,
	NES_QPCONTEXT_TCPSTATE_TIME_WAIT = 11,
	};

	/* QP Context PD Index/wscale Fields */
	#define NES_QPCONTEXT_PDWSCALE_RCV_WSCALE_MASK 0x0000000f
	#define NES_QPCONTEXT_PDWSCALE_RCV_WSCALE_SHIFT 0
	#define NES_QPCONTEXT_PDWSCALE_SND_WSCALE_MASK 0x00000f00
	#define NES_QPCONTEXT_PDWSCALE_SND_WSCALE_SHIFT 8
	#define NES_QPCONTEXT_PDWSCALE_PDINDEX_MASK 0xffff0000
	#define NES_QPCONTEXT_PDWSCALE_PDINDEX_SHIFT 16

	/* QP Context Keepalive Fields */
	#define NES_QPCONTEXT_KEEPALIVE_DELTA_MASK 0x0000ffff
	#define NES_QPCONTEXT_KEEPALIVE_DELTA_SHIFT 0
	#define NES_QPCONTEXT_KEEPALIVE_PROBE_CNT_MASK 0x00ff0000
	#define NES_QPCONTEXT_KEEPALIVE_PROBE_CNT_SHIFT 16
	#define NES_QPCONTEXT_KEEPALIVE_INTV_MASK 0xff000000
	#define NES_QPCONTEXT_KEEPALIVE_INTV_SHIFT 24

	/* QP Context ORD/IRD Fields */
	#define NES_QPCONTEXT_ORDIRD_ORDSIZE_MASK 0x0000007f
	#define NES_QPCONTEXT_ORDIRD_ORDSIZE_SHIFT 0
	#define NES_QPCONTEXT_ORDIRD_IRDSIZE_MASK 0x00030000
	#define NES_QPCONTEXT_ORDIRD_IRDSIZE_SHIFT 16
	#define NES_QPCONTEXT_ORDIRD_IWARP_MODE_MASK 0x30000000
	#define NES_QPCONTEXT_ORDIRD_IWARP_MODE_SHIFT 28

	enum nes_ord_ird_bits {
	NES_QPCONTEXT_ORDIRD_WRPDU = 0x02000000,
	NES_QPCONTEXT_ORDIRD_LSMM_PRESENT = 0x04000000,
	NES_QPCONTEXT_ORDIRD_ALSMM = 0x08000000,
	NES_QPCONTEXT_ORDIRD_AAH = 0x40000000,
	NES_QPCONTEXT_ORDIRD_RNMC = 0x80000000
	};

	enum nes_iwarp_qp_state {
	NES_QPCONTEXT_IWARP_STATE_NONEXIST = 0,
	NES_QPCONTEXT_IWARP_STATE_IDLE = 1,
	NES_QPCONTEXT_IWARP_STATE_RTS = 2,
	NES_QPCONTEXT_IWARP_STATE_CLOSING = 3,
	NES_QPCONTEXT_IWARP_STATE_TERMINATE = 5,
	NES_QPCONTEXT_IWARP_STATE_ERROR = 6
	};


	#endif /* NES_CONTEXT_H */