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 */ 190