1 /* 2 * Copyright (C) 2003-2006 Chelsio Communications. All rights reserved. 3 * 4 * This program is distributed in the hope that it will be useful, but WITHOUT 5 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 6 * FITNESS FOR A PARTICULAR PURPOSE. See the LICENSE file included in this 7 * release for licensing terms and conditions. 8 */ 9 10 #ifndef _CXGB3_OFFLOAD_CTL_DEFS_H 11 #define _CXGB3_OFFLOAD_CTL_DEFS_H 12 13 enum { 14 GET_MAX_OUTSTANDING_WR, 15 GET_TX_MAX_CHUNK, 16 GET_TID_RANGE, 17 GET_STID_RANGE, 18 GET_RTBL_RANGE, 19 GET_L2T_CAPACITY, 20 GET_MTUS, 21 GET_WR_LEN, 22 GET_IFF_FROM_MAC, 23 GET_DDP_PARAMS, 24 GET_PORTS, 25 26 ULP_ISCSI_GET_PARAMS, 27 ULP_ISCSI_SET_PARAMS, 28 29 RDMA_GET_PARAMS, 30 RDMA_CQ_OP, 31 RDMA_CQ_SETUP, 32 RDMA_CQ_DISABLE, 33 RDMA_CTRL_QP_SETUP, 34 RDMA_GET_MEM, 35 36 FAILOVER = 30, 37 FAILOVER_DONE = 31, 38 FAILOVER_CLEAR = 32, 39 40 GET_CPUIDX_OF_QSET = 40, 41 42 GET_RX_PAGE_INFO = 50, 43 }; 44 45 /* 46 * Structure used to describe a TID range. Valid TIDs are [base, base+num). 47 */ 48 struct tid_range { 49 unsigned int base; /* first TID */ 50 unsigned int num; /* number of TIDs in range */ 51 }; 52 53 /* 54 * Structure used to request the size and contents of the MTU table. 55 */ 56 struct mtutab { 57 unsigned int size; /* # of entries in the MTU table */ 58 const unsigned short *mtus; /* the MTU table values */ 59 }; 60 61 struct net_device; 62 63 /* 64 * Structure used to request the adapter net_device owning a given MAC address. 65 */ 66 struct iff_mac { 67 struct net_device *dev; /* the net_device */ 68 const unsigned char *mac_addr; /* MAC address to lookup */ 69 u16 vlan_tag; 70 }; 71 72 struct pci_dev; 73 74 /* 75 * Structure used to request the TCP DDP parameters. 76 */ 77 struct ddp_params { 78 unsigned int llimit; /* TDDP region start address */ 79 unsigned int ulimit; /* TDDP region end address */ 80 unsigned int tag_mask; /* TDDP tag mask */ 81 struct pci_dev *pdev; 82 }; 83 84 struct adap_ports { 85 unsigned int nports; /* number of ports on this adapter */ 86 struct net_device *lldevs[2]; 87 }; 88 89 /* 90 * Structure used to return information to the iscsi layer. 91 */ 92 struct ulp_iscsi_info { 93 unsigned int offset; 94 unsigned int llimit; 95 unsigned int ulimit; 96 unsigned int tagmask; 97 unsigned int pgsz3; 98 unsigned int pgsz2; 99 unsigned int pgsz1; 100 unsigned int pgsz0; 101 unsigned int max_rxsz; 102 unsigned int max_txsz; 103 struct pci_dev *pdev; 104 }; 105 106 /* 107 * Offload TX/RX page information. 108 */ 109 struct ofld_page_info { 110 unsigned int page_size; /* Page size, should be a power of 2 */ 111 unsigned int num; /* Number of pages */ 112 }; 113 114 /* 115 * Structure used to return information to the RDMA layer. 116 */ 117 struct rdma_info { 118 unsigned int tpt_base; /* TPT base address */ 119 unsigned int tpt_top; /* TPT last entry address */ 120 unsigned int pbl_base; /* PBL base address */ 121 unsigned int pbl_top; /* PBL last entry address */ 122 unsigned int rqt_base; /* RQT base address */ 123 unsigned int rqt_top; /* RQT last entry address */ 124 unsigned int udbell_len; /* user doorbell region length */ 125 unsigned long udbell_physbase; /* user doorbell physical start addr */ 126 void volatile *kdb_addr; /* kernel doorbell register address */ 127 struct pci_dev *pdev; /* associated PCI device */ 128 }; 129 130 /* 131 * Structure used to request an operation on an RDMA completion queue. 132 */ 133 struct rdma_cq_op { 134 unsigned int id; 135 unsigned int op; 136 unsigned int credits; 137 }; 138 139 /* 140 * Structure used to setup RDMA completion queues. 141 */ 142 struct rdma_cq_setup { 143 unsigned int id; 144 unsigned long long base_addr; 145 unsigned int size; 146 unsigned int credits; 147 unsigned int credit_thres; 148 unsigned int ovfl_mode; 149 }; 150 151 /* 152 * Structure used to setup the RDMA control egress context. 153 */ 154 struct rdma_ctrlqp_setup { 155 unsigned long long base_addr; 156 unsigned int size; 157 }; 158 #endif /* _CXGB3_OFFLOAD_CTL_DEFS_H */ 159