xref: /src/sys/dev/pci/cxgb/cxgb_firmware_exports.h

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

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.

***************************************************************************/
#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

/* 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 Traffic 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_ */