/**************************************************************************

Copyright (c) 2007, Chelsio Inc.
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

 1. Redistributions of source code must retain the above copyright notice,
    this list of conditions and the following disclaimer.

 2. Neither the name of the Chelsio Corporation nor the names of its
    contributors may be used to endorse or promote products derived from
    this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.

$FreeBSD: release/9.0.0/sys/dev/cxgb/common/cxgb_firmware_exports.h 176472 2008-02-23 01:06:17Z kmacy $

***************************************************************************/
#ifndef _FIRMWARE_EXPORTS_H_
#define _FIRMWARE_EXPORTS_H_

/* WR OPCODES supported by the firmware.
 */
#define	FW_WROPCODE_FORWARD			0x01
#define FW_WROPCODE_BYPASS			0x05

#define FW_WROPCODE_TUNNEL_TX_PKT		0x03

#define FW_WROPOCDE_ULPTX_DATA_SGL		0x00
#define FW_WROPCODE_ULPTX_MEM_READ		0x02
#define FW_WROPCODE_ULPTX_PKT			0x04
#define FW_WROPCODE_ULPTX_INVALIDATE		0x06

#define FW_WROPCODE_TUNNEL_RX_PKT		0x07

#define FW_WROPCODE_OFLD_GETTCB_RPL		0x08
#define FW_WROPCODE_OFLD_CLOSE_CON		0x09
#define FW_WROPCODE_OFLD_TP_ABORT_CON_REQ	0x0A
#define FW_WROPCODE_OFLD_HOST_ABORT_CON_RPL	0x0F
#define FW_WROPCODE_OFLD_HOST_ABORT_CON_REQ	0x0B
#define FW_WROPCODE_OFLD_TP_ABORT_CON_RPL	0x0C
#define FW_WROPCODE_OFLD_TX_DATA		0x0D
#define FW_WROPCODE_OFLD_TX_DATA_ACK		0x0E

#define FW_WROPCODE_RI_RDMA_INIT		0x10
#define FW_WROPCODE_RI_RDMA_WRITE		0x11
#define FW_WROPCODE_RI_RDMA_READ_REQ		0x12
#define FW_WROPCODE_RI_RDMA_READ_RESP		0x13
#define FW_WROPCODE_RI_SEND			0x14
#define FW_WROPCODE_RI_TERMINATE		0x15
#define FW_WROPCODE_RI_RDMA_READ		0x16
#define FW_WROPCODE_RI_RECEIVE			0x17
#define FW_WROPCODE_RI_BIND_MW			0x18
#define FW_WROPCODE_RI_FASTREGISTER_MR		0x19
#define FW_WROPCODE_RI_LOCAL_INV		0x1A
#define FW_WROPCODE_RI_MODIFY_QP		0x1B
#define FW_WROPCODE_RI_BYPASS			0x1C

#define FW_WROPOCDE_RSVD			0x1E

#define FW_WROPCODE_SGE_EGRESSCONTEXT_RR	0x1F

#define FW_WROPCODE_MNGT			0x1D
#define FW_MNGTOPCODE_PKTSCHED_SET		0x00
#define FW_MNGTOPCODE_WRC_SET			0x01
#define FW_MNGTOPCODE_TUNNEL_CR_FLUSH		0x02

/* Maximum size of a WR sent from the host, limited by the SGE. 
 *
 * Note: WR coming from ULP or TP are only limited by CIM. 
 */
#define FW_WR_SIZE			128

/* Maximum number of outstanding WRs sent from the host. Value must be
 * programmed in the CTRL/TUNNEL/QP SGE Egress Context and used by 
 * offload modules to limit the number of WRs per connection.
 */
#define FW_T3_WR_NUM			16
#define FW_N3_WR_NUM			7

#ifndef N3
# define FW_WR_NUM			FW_T3_WR_NUM
#else
# define FW_WR_NUM			FW_N3_WR_NUM
#endif

/* FW_TUNNEL_NUM corresponds to the number of supported TUNNEL Queues. These
 * queues must start at SGE Egress Context FW_TUNNEL_SGEEC_START and must
 * start at 'TID' (or 'uP Token') FW_TUNNEL_TID_START.
 *
 * Ingress Traffic (e.g. DMA completion credit)  for TUNNEL Queue[i] is sent 
 * to RESP Queue[i].
 */
#define FW_TUNNEL_NUM			8
#define FW_TUNNEL_SGEEC_START		8
#define FW_TUNNEL_TID_START		65544


/* FW_CTRL_NUM corresponds to the number of supported CTRL Queues. These queues
 * must start at SGE Egress Context FW_CTRL_SGEEC_START and must start at 'TID'
 * (or 'uP Token') FW_CTRL_TID_START.
 *
 * Ingress Traffic for CTRL Queue[i] is sent to RESP Queue[i].
 */ 
#define FW_CTRL_NUM			8
#define FW_CTRL_SGEEC_START		65528
#define FW_CTRL_TID_START		65536

/* FW_OFLD_NUM corresponds to the number of supported OFFLOAD Queues. These 
 * queues must start at SGE Egress Context FW_OFLD_SGEEC_START. 
 * 
 * Note: the 'uP Token' in the SGE Egress Context fields is irrelevant for 
 * OFFLOAD Queues, as the host is responsible for providing the correct TID in
 * every WR.
 *
 * Ingress Trafffic for OFFLOAD Queue[i] is sent to RESP Queue[i].
 */
#define FW_OFLD_NUM			8
#define FW_OFLD_SGEEC_START		0

/*
 *
 */
#define FW_RI_NUM			1
#define FW_RI_SGEEC_START		65527
#define FW_RI_TID_START			65552

/*
 * The RX_PKT_TID 
 */
#define FW_RX_PKT_NUM			1
#define FW_RX_PKT_TID_START		65553

/* FW_WRC_NUM corresponds to the number of Work Request Context that supported
 * by the firmware.
 */
#define FW_WRC_NUM			\
    (65536 + FW_TUNNEL_NUM + FW_CTRL_NUM + FW_RI_NUM + FW_RX_PKT_NUM)

/*
 * FW type and version.
 */
#define S_FW_VERSION_TYPE		28
#define M_FW_VERSION_TYPE		0xF
#define V_FW_VERSION_TYPE(x)		((x) << S_FW_VERSION_TYPE)
#define G_FW_VERSION_TYPE(x)		\
    (((x) >> S_FW_VERSION_TYPE) & M_FW_VERSION_TYPE)

#define S_FW_VERSION_MAJOR		16
#define M_FW_VERSION_MAJOR		0xFFF
#define V_FW_VERSION_MAJOR(x)		((x) << S_FW_VERSION_MAJOR)
#define G_FW_VERSION_MAJOR(x)		\
    (((x) >> S_FW_VERSION_MAJOR) & M_FW_VERSION_MAJOR)

#define S_FW_VERSION_MINOR		8
#define M_FW_VERSION_MINOR		0xFF
#define V_FW_VERSION_MINOR(x)		((x) << S_FW_VERSION_MINOR)
#define G_FW_VERSION_MINOR(x)		\
    (((x) >> S_FW_VERSION_MINOR) & M_FW_VERSION_MINOR)

#define S_FW_VERSION_MICRO		0
#define M_FW_VERSION_MICRO		0xFF
#define V_FW_VERSION_MICRO(x)		((x) << S_FW_VERSION_MICRO)
#define G_FW_VERSION_MICRO(x)		\
    (((x) >> S_FW_VERSION_MICRO) & M_FW_VERSION_MICRO)

#endif /* _FIRMWARE_EXPORTS_H_ */
