/*
 * Copyright (c) 2003-2008 Chelsio, 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 _CXGB3_OFFLOAD_CTL_DEFS_H
#define _CXGB3_OFFLOAD_CTL_DEFS_H

enum {
        GET_MAX_OUTSTANDING_WR  = 0,
        GET_TX_MAX_CHUNK        = 1,
        GET_TID_RANGE           = 2,
        GET_STID_RANGE          = 3,
        GET_RTBL_RANGE          = 4,
        GET_L2T_CAPACITY        = 5,
        GET_MTUS                = 6,
        GET_WR_LEN              = 7,
        GET_IFF_FROM_MAC        = 8,
        GET_DDP_PARAMS          = 9,
        GET_PORTS               = 10,

        ULP_ISCSI_GET_PARAMS    = 11,
        ULP_ISCSI_SET_PARAMS    = 12,

        RDMA_GET_PARAMS         = 13,
        RDMA_CQ_OP              = 14,
        RDMA_CQ_SETUP           = 15,
        RDMA_CQ_DISABLE         = 16,
        RDMA_CTRL_QP_SETUP      = 17,
        RDMA_GET_MEM            = 18,
        RDMA_GET_MIB            = 19,

        GET_RX_PAGE_INFO        = 50,
        GET_ISCSI_IPV4ADDR      = 51,

        GET_EMBEDDED_INFO       = 70,
};

/*
 * Structure used to describe a TID range.  Valid TIDs are [base, base+num).
 */
struct tid_range {
        unsigned int base;      /* first TID */
        unsigned int num;       /* number of TIDs in range */
};

/*
 * Structure used to request the size and contents of the MTU table.
 */
struct mtutab {
        unsigned int size;      /* # of entries in the MTU table */
        const unsigned short *mtus;     /* the MTU table values */
};

struct net_device;

/*
 * Structure used to request the adapter net_device owning a given MAC address.
 */
struct iff_mac {
        struct net_device *dev; /* the net_device */
        const unsigned char *mac_addr;  /* MAC address to lookup */
        u16 vlan_tag;
};

/* Structure used to request a port's iSCSI IPv4 address */
struct iscsi_ipv4addr {
        struct net_device *dev; /* the net_device */
        __be32 ipv4addr;        /* the return iSCSI IPv4 address */
};

struct pci_dev;

/*
 * Structure used to request the TCP DDP parameters.
 */
struct ddp_params {
        unsigned int llimit;    /* TDDP region start address */
        unsigned int ulimit;    /* TDDP region end address */
        unsigned int tag_mask;  /* TDDP tag mask */
        struct pci_dev *pdev;
};

struct adap_ports {
        unsigned int nports;    /* number of ports on this adapter */
        struct net_device *lldevs[2];
};

/*
 * Structure used to return information to the iscsi layer.
 */
struct ulp_iscsi_info {
        unsigned int offset;
        unsigned int llimit;
        unsigned int ulimit;
        unsigned int tagmask;
        u8 pgsz_factor[4];
        unsigned int max_rxsz;
        unsigned int max_txsz;
        struct pci_dev *pdev;
};

/*
 * Structure used to return information to the RDMA layer.
 */
struct rdma_info {
        unsigned int tpt_base;  /* TPT base address */
        unsigned int tpt_top;   /* TPT last entry address */
        unsigned int pbl_base;  /* PBL base address */
        unsigned int pbl_top;   /* PBL last entry address */
        unsigned int rqt_base;  /* RQT base address */
        unsigned int rqt_top;   /* RQT last entry address */
        unsigned int udbell_len;        /* user doorbell region length */
        unsigned long udbell_physbase;  /* user doorbell physical start addr */
        void __iomem *kdb_addr; /* kernel doorbell register address */
        struct pci_dev *pdev;   /* associated PCI device */
};

/*
 * Structure used to request an operation on an RDMA completion queue.
 */
struct rdma_cq_op {
        unsigned int id;
        unsigned int op;
        unsigned int credits;
};

/*
 * Structure used to setup RDMA completion queues.
 */
struct rdma_cq_setup {
        unsigned int id;
        unsigned long long base_addr;
        unsigned int size;
        unsigned int credits;
        unsigned int credit_thres;
        unsigned int ovfl_mode;
};

/*
 * Structure used to setup the RDMA control egress context.
 */
struct rdma_ctrlqp_setup {
        unsigned long long base_addr;
        unsigned int size;
};

/*
 * Offload TX/RX page information.
 */
struct ofld_page_info {
        unsigned int page_size;  /* Page size, should be a power of 2 */
        unsigned int num;        /* Number of pages */
};

/*
 * Structure used to get firmware and protocol engine versions.
 */
struct ch_embedded_info {
        u32 fw_vers;
        u32 tp_vers;
};
#endif                          /* _CXGB3_OFFLOAD_CTL_DEFS_H */