drivers/net/ethernet/chelsio/cxgb3/cxgb3_ctl_defs.h

   1 /*
   2  * Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved.
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and/or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32 #ifndef _CXGB3_OFFLOAD_CTL_DEFS_H
  33 #define _CXGB3_OFFLOAD_CTL_DEFS_H
  34
  35 enum {
  36         GET_MAX_OUTSTANDING_WR  = 0,
  37         GET_TX_MAX_CHUNK        = 1,
  38         GET_TID_RANGE           = 2,
  39         GET_STID_RANGE          = 3,
  40         GET_RTBL_RANGE          = 4,
  41         GET_L2T_CAPACITY        = 5,
  42         GET_MTUS                = 6,
  43         GET_WR_LEN              = 7,
  44         GET_IFF_FROM_MAC        = 8,
  45         GET_DDP_PARAMS          = 9,
  46         GET_PORTS               = 10,
  47
  48         ULP_ISCSI_GET_PARAMS    = 11,
  49         ULP_ISCSI_SET_PARAMS    = 12,
  50
  51         RDMA_GET_PARAMS         = 13,
  52         RDMA_CQ_OP              = 14,
  53         RDMA_CQ_SETUP           = 15,
  54         RDMA_CQ_DISABLE         = 16,
  55         RDMA_CTRL_QP_SETUP      = 17,
  56         RDMA_GET_MEM            = 18,
  57         RDMA_GET_MIB            = 19,
  58
  59         GET_RX_PAGE_INFO        = 50,
  60         GET_ISCSI_IPV4ADDR      = 51,
  61
  62         GET_EMBEDDED_INFO       = 70,
  63 };
  64
  65 /*
  66  * Structure used to describe a TID range.  Valid TIDs are [base, base+num).
  67  */
  68 struct tid_range {
  69         unsigned int base;      /* first TID */
  70         unsigned int num;       /* number of TIDs in range */
  71 };
  72
  73 /*
  74  * Structure used to request the size and contents of the MTU table.
  75  */
  76 struct mtutab {
  77         unsigned int size;      /* # of entries in the MTU table */
  78         const unsigned short *mtus;     /* the MTU table values */
  79 };
  80
  81 struct net_device;
  82
  83 /*
  84  * Structure used to request the adapter net_device owning a given MAC address.
  85  */
  86 struct iff_mac {
  87         struct net_device *dev; /* the net_device */
  88         const unsigned char *mac_addr;  /* MAC address to lookup */
  89         u16 vlan_tag;
  90 };
  91
  92 /* Structure used to request a port's iSCSI IPv4 address */
  93 struct iscsi_ipv4addr {
  94         struct net_device *dev; /* the net_device */
  95         __be32 ipv4addr;        /* the return iSCSI IPv4 address */
  96 };
  97
  98 struct pci_dev;
  99
 100 /*
 101  * Structure used to request the TCP DDP parameters.
 102  */
 103 struct ddp_params {
 104         unsigned int llimit;    /* TDDP region start address */
 105         unsigned int ulimit;    /* TDDP region end address */
 106         unsigned int tag_mask;  /* TDDP tag mask */
 107         struct pci_dev *pdev;
 108 };
 109
 110 struct adap_ports {
 111         unsigned int nports;    /* number of ports on this adapter */
 112         struct net_device *lldevs[2];
 113 };
 114
 115 /*
 116  * Structure used to return information to the iscsi layer.
 117  */
 118 struct ulp_iscsi_info {
 119         unsigned int offset;
 120         unsigned int llimit;
 121         unsigned int ulimit;
 122         unsigned int tagmask;
 123         u8 pgsz_factor[4];
 124         unsigned int max_rxsz;
 125         unsigned int max_txsz;
 126         struct pci_dev *pdev;
 127 };
 128
 129 /*
 130  * Structure used to return information to the RDMA layer.
 131  */
 132 struct rdma_info {
 133         unsigned int tpt_base;  /* TPT base address */
 134         unsigned int tpt_top;   /* TPT last entry address */
 135         unsigned int pbl_base;  /* PBL base address */
 136         unsigned int pbl_top;   /* PBL last entry address */
 137         unsigned int rqt_base;  /* RQT base address */
 138         unsigned int rqt_top;   /* RQT last entry address */
 139         unsigned int udbell_len;        /* user doorbell region length */
 140         unsigned long udbell_physbase;  /* user doorbell physical start addr */
 141         void __iomem *kdb_addr; /* kernel doorbell register address */
 142         struct pci_dev *pdev;   /* associated PCI device */
 143 };
 144
 145 /*
 146  * Structure used to request an operation on an RDMA completion queue.
 147  */
 148 struct rdma_cq_op {
 149         unsigned int id;
 150         unsigned int op;
 151         unsigned int credits;
 152 };
 153
 154 /*
 155  * Structure used to setup RDMA completion queues.
 156  */
 157 struct rdma_cq_setup {
 158         unsigned int id;
 159         unsigned long long base_addr;
 160         unsigned int size;
 161         unsigned int credits;
 162         unsigned int credit_thres;
 163         unsigned int ovfl_mode;
 164 };
 165
 166 /*
 167  * Structure used to setup the RDMA control egress context.
 168  */
 169 struct rdma_ctrlqp_setup {
 170         unsigned long long base_addr;
 171         unsigned int size;
 172 };
 173
 174 /*
 175  * Offload TX/RX page information.
 176  */
 177 struct ofld_page_info {
 178         unsigned int page_size;  /* Page size, should be a power of 2 */
 179         unsigned int num;        /* Number of pages */
 180 };
 181
 182 /*
 183  * Structure used to get firmware and protocol engine versions.
 184  */
 185 struct ch_embedded_info {
 186         u32 fw_vers;
 187         u32 tp_vers;
 188 };
 189 #endif                          /* _CXGB3_OFFLOAD_CTL_DEFS_H */