cxgb3_ctl_defs.h

Go to the documentation of this file.

/*
 * 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 */