FreeBSD/Linux Kernel Cross Reference
sys/dev/cxgb/common/cxgb_ctl_defs.h

     /*
     
     Copyright (c) 2007, Chelsio Inc.
     All rights reserved.
     
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions are met:
     
      1. Redistributions of source code must retain the above copyright notice,
        this list of conditions and the following disclaimer.
    
     2. Neither the name of the Chelsio Corporation nor the names of its
        contributors may be used to endorse or promote products derived from
        this software without specific prior written permission.
    
    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    POSSIBILITY OF SUCH DAMAGE.
    
    $FreeBSD: releng/6.4/sys/dev/cxgb/common/cxgb_ctl_defs.h 174319 2007-12-05 22:05:49Z kmacy $
    
    */
    
    #ifndef _CXGB3_OFFLOAD_CTL_DEFS_H
    #define _CXGB3_OFFLOAD_CTL_DEFS_H
    
    enum {
            GET_MAX_OUTSTANDING_WR,
            GET_TX_MAX_CHUNK,
            GET_TID_RANGE,
            GET_STID_RANGE,
            GET_RTBL_RANGE,
            GET_L2T_CAPACITY,
            GET_MTUS,
            GET_WR_LEN,
            GET_IFF_FROM_MAC,
            GET_DDP_PARAMS,
            GET_PORTS,
    
            ULP_ISCSI_GET_PARAMS,
            ULP_ISCSI_SET_PARAMS,
    
            RDMA_GET_PARAMS,
            RDMA_CQ_OP,
            RDMA_CQ_SETUP,
            RDMA_CQ_DISABLE,
            RDMA_CTRL_QP_SETUP,
            RDMA_GET_MEM,
    
            FAILOVER           = 30,
            FAILOVER_DONE      = 31,
            FAILOVER_CLEAR     = 32,
    
            GET_CPUIDX_OF_QSET = 40,
    
            GET_RX_PAGE_INFO   = 50,
    };
    
    /*
     * Structure used to describe a TID range.  Valid TIDs are [base, base+num).
     */
    struct tid_range {
            unsigned int base;   /* first TID */
            unsigned int num;    /* number of TIDs in range */
    };
    
    /*
     * Structure used to request the size and contents of the MTU table.
     */
    struct mtutab {
            unsigned int size;          /* # of entries in the MTU table */
            const unsigned short *mtus; /* the MTU table values */
    };
    
    struct net_device;
    
    /*
     * Structure used to request the adapter net_device owning a given MAC address.
     */
    struct iff_mac {
            struct net_device *dev;          /* the net_device */
            const unsigned char *mac_addr;   /* MAC address to lookup */
            u16 vlan_tag;
    };
    
    struct pci_dev;
    
    /*
     * Structure used to request the TCP DDP parameters.
     */
    struct ddp_params {
           unsigned int llimit;     /* TDDP region start address */
           unsigned int ulimit;     /* TDDP region end address */
           unsigned int tag_mask;   /* TDDP tag mask */
           struct pci_dev *pdev;
   };
   
   struct adap_ports {
           unsigned int nports;     /* number of ports on this adapter */
           struct net_device *lldevs[2];
   };
   
   /*
    * Structure used to return information to the iscsi layer.
    */
   struct ulp_iscsi_info {
           unsigned int    offset;
           unsigned int    llimit;
           unsigned int    ulimit;
           unsigned int    tagmask;
           unsigned int    pgsz3;
           unsigned int    pgsz2;
           unsigned int    pgsz1;
           unsigned int    pgsz0;
           unsigned int    max_rxsz;
           unsigned int    max_txsz;
           struct pci_dev  *pdev;
   };
   
   /*
    * Offload TX/RX page information.
    */
   struct ofld_page_info {
           unsigned int page_size;  /* Page size, should be a power of 2 */
           unsigned int num;        /* Number of pages */
   };
   
   /*
    * Structure used to return information to the RDMA layer.
    */
   struct rdma_info {
           unsigned int tpt_base;   /* TPT base address */
           unsigned int tpt_top;    /* TPT last entry address */
           unsigned int pbl_base;   /* PBL base address */
           unsigned int pbl_top;    /* PBL last entry address */
           unsigned int rqt_base;   /* RQT base address */
           unsigned int rqt_top;    /* RQT last entry address */
           unsigned int udbell_len; /* user doorbell region length */
           unsigned long udbell_physbase;  /* user doorbell physical start addr */
           void volatile *kdb_addr;  /* kernel doorbell register address */
           struct pci_dev *pdev;    /* associated PCI device */
   };
   
   /*
    * Structure used to request an operation on an RDMA completion queue.
    */
   struct rdma_cq_op {
           unsigned int id;
           unsigned int op;
           unsigned int credits;
   };
   
   /*
    * Structure used to setup RDMA completion queues.
    */
   struct rdma_cq_setup {
           unsigned int id;
           unsigned long long base_addr;
           unsigned int size;
           unsigned int credits;
           unsigned int credit_thres;
           unsigned int ovfl_mode;
   };
   
   /*
    * Structure used to setup the RDMA control egress context.
    */
   struct rdma_ctrlqp_setup {
           unsigned long long base_addr;
           unsigned int size;
   };
   #endif /* _CXGB3_OFFLOAD_CTL_DEFS_H */

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