sys/dev/pci/cxgb_ctl_defs.h

   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  * $FreeBSD: src/sys/dev/cxgb/common/cxgb_ctl_defs.h,v 1.3 2007/09/09 01:28:03 kmacy Exp $
  10  */
  11
  12 #ifndef _CXGB3_OFFLOAD_CTL_DEFS_H
  13 #define _CXGB3_OFFLOAD_CTL_DEFS_H
  14
  15 enum {
  16     GET_MAX_OUTSTANDING_WR,
  17     GET_TX_MAX_CHUNK,
  18     GET_TID_RANGE,
  19     GET_STID_RANGE,
  20     GET_RTBL_RANGE,
  21     GET_L2T_CAPACITY,
  22     GET_MTUS,
  23     GET_WR_LEN,
  24     GET_IFF_FROM_MAC,
  25     GET_DDP_PARAMS,
  26     GET_PORTS,
  27
  28     ULP_ISCSI_GET_PARAMS,
  29     ULP_ISCSI_SET_PARAMS,
  30
  31     RDMA_GET_PARAMS,
  32     RDMA_CQ_OP,
  33     RDMA_CQ_SETUP,
  34     RDMA_CQ_DISABLE,
  35     RDMA_CTRL_QP_SETUP,
  36     RDMA_GET_MEM,
  37
  38     FAILOVER           = 30,
  39     FAILOVER_DONE      = 31,
  40     FAILOVER_CLEAR     = 32,
  41
  42     GET_CPUIDX_OF_QSET = 40,
  43
  44     GET_RX_PAGE_INFO   = 50,
  45 };
  46
  47 /*
  48  * Structure used to describe a TID range.  Valid TIDs are [base, base+num).
  49  */
  50 struct tid_range {
  51     unsigned int base;   /* first TID */
  52     unsigned int num;    /* number of TIDs in range */
  53 };
  54
  55 /*
  56  * Structure used to request the size and contents of the MTU table.
  57  */
  58 struct mtutab {
  59     unsigned int size;          /* # of entries in the MTU table */
  60     const unsigned short *mtus; /* the MTU table values */
  61 };
  62
  63 struct net_device;
  64
  65 /*
  66  * Structure used to request the adapter net_device owning a given MAC address.
  67  */
  68 struct iff_mac {
  69     struct net_device *dev;          /* the net_device */
  70     const unsigned char *mac_addr;   /* MAC address to lookup */
  71     u16 vlan_tag;
  72 };
  73
  74 struct pci_dev;
  75
  76 /*
  77  * Structure used to request the TCP DDP parameters.
  78  */
  79 struct ddp_params {
  80     unsigned int llimit;     /* TDDP region start address */
  81     unsigned int ulimit;     /* TDDP region end address */
  82     unsigned int tag_mask;   /* TDDP tag mask */
  83     struct pci_dev *pdev;
  84 };
  85
  86 struct adap_ports {
  87     unsigned int nports;     /* number of ports on this adapter */
  88     struct net_device *lldevs[2];
  89 };
  90
  91 /*
  92  * Structure used to return information to the iscsi layer.
  93  */
  94 struct ulp_iscsi_info {
  95     unsigned int    offset;
  96     unsigned int    llimit;
  97     unsigned int    ulimit;
  98     unsigned int    tagmask;
  99     unsigned int    pgsz3;
 100     unsigned int    pgsz2;
 101     unsigned int    pgsz1;
 102     unsigned int    pgsz0;
 103     unsigned int    max_rxsz;
 104     unsigned int    max_txsz;
 105     struct pci_dev  *pdev;
 106 };
 107
 108 /*
 109  * Offload TX/RX page information.
 110  */
 111 struct ofld_page_info {
 112     unsigned int page_size;  /* Page size, should be a power of 2 */
 113     unsigned int num;        /* Number of pages */
 114 };
 115
 116 /*
 117  * Structure used to return information to the RDMA layer.
 118  */
 119 struct rdma_info {
 120     unsigned int tpt_base;   /* TPT base address */
 121     unsigned int tpt_top;    /* TPT last entry address */
 122     unsigned int pbl_base;   /* PBL base address */
 123     unsigned int pbl_top;    /* PBL last entry address */
 124     unsigned int rqt_base;   /* RQT base address */
 125     unsigned int rqt_top;    /* RQT last entry address */
 126     unsigned int udbell_len; /* user doorbell region length */
 127     unsigned long udbell_physbase;  /* user doorbell physical start addr */
 128     void volatile *kdb_addr;  /* kernel doorbell register address */
 129     struct pci_dev *pdev;    /* associated PCI device */
 130 };
 131
 132 /*
 133  * Structure used to request an operation on an RDMA completion queue.
 134  */
 135 struct rdma_cq_op {
 136     unsigned int id;
 137     unsigned int op;
 138     unsigned int credits;
 139 };
 140
 141 /*
 142  * Structure used to setup RDMA completion queues.
 143  */
 144 struct rdma_cq_setup {
 145     unsigned int id;
 146     unsigned long long base_addr;
 147     unsigned int size;
 148     unsigned int credits;
 149     unsigned int credit_thres;
 150     unsigned int ovfl_mode;
 151 };
 152
 153 /*
 154  * Structure used to setup the RDMA control egress context.
 155  */
 156 struct rdma_ctrlqp_setup {
 157     unsigned long long base_addr;
 158     unsigned int size;
 159 };
 160 #endif /* _CXGB3_OFFLOAD_CTL_DEFS_H */