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      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