190 строки
4.9 KiB
C
190 строки
4.9 KiB
C
/*
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* Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _CXGB3_OFFLOAD_CTL_DEFS_H
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#define _CXGB3_OFFLOAD_CTL_DEFS_H
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enum {
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GET_MAX_OUTSTANDING_WR = 0,
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GET_TX_MAX_CHUNK = 1,
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GET_TID_RANGE = 2,
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GET_STID_RANGE = 3,
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GET_RTBL_RANGE = 4,
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GET_L2T_CAPACITY = 5,
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GET_MTUS = 6,
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GET_WR_LEN = 7,
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GET_IFF_FROM_MAC = 8,
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GET_DDP_PARAMS = 9,
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GET_PORTS = 10,
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ULP_ISCSI_GET_PARAMS = 11,
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ULP_ISCSI_SET_PARAMS = 12,
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RDMA_GET_PARAMS = 13,
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RDMA_CQ_OP = 14,
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RDMA_CQ_SETUP = 15,
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RDMA_CQ_DISABLE = 16,
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RDMA_CTRL_QP_SETUP = 17,
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RDMA_GET_MEM = 18,
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RDMA_GET_MIB = 19,
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GET_RX_PAGE_INFO = 50,
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GET_ISCSI_IPV4ADDR = 51,
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GET_EMBEDDED_INFO = 70,
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};
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/*
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* Structure used to describe a TID range. Valid TIDs are [base, base+num).
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*/
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struct tid_range {
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unsigned int base; /* first TID */
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unsigned int num; /* number of TIDs in range */
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};
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/*
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* Structure used to request the size and contents of the MTU table.
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*/
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struct mtutab {
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unsigned int size; /* # of entries in the MTU table */
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const unsigned short *mtus; /* the MTU table values */
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};
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struct net_device;
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/*
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* Structure used to request the adapter net_device owning a given MAC address.
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*/
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struct iff_mac {
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struct net_device *dev; /* the net_device */
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const unsigned char *mac_addr; /* MAC address to lookup */
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u16 vlan_tag;
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};
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/* Structure used to request a port's iSCSI IPv4 address */
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struct iscsi_ipv4addr {
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struct net_device *dev; /* the net_device */
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__be32 ipv4addr; /* the return iSCSI IPv4 address */
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};
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struct pci_dev;
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/*
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* Structure used to request the TCP DDP parameters.
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*/
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struct ddp_params {
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unsigned int llimit; /* TDDP region start address */
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unsigned int ulimit; /* TDDP region end address */
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unsigned int tag_mask; /* TDDP tag mask */
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struct pci_dev *pdev;
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};
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struct adap_ports {
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unsigned int nports; /* number of ports on this adapter */
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struct net_device *lldevs[2];
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};
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/*
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* Structure used to return information to the iscsi layer.
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*/
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struct ulp_iscsi_info {
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unsigned int offset;
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unsigned int llimit;
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unsigned int ulimit;
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unsigned int tagmask;
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u8 pgsz_factor[4];
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unsigned int max_rxsz;
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unsigned int max_txsz;
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struct pci_dev *pdev;
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};
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/*
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* Structure used to return information to the RDMA layer.
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*/
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struct rdma_info {
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unsigned int tpt_base; /* TPT base address */
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unsigned int tpt_top; /* TPT last entry address */
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unsigned int pbl_base; /* PBL base address */
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unsigned int pbl_top; /* PBL last entry address */
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unsigned int rqt_base; /* RQT base address */
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unsigned int rqt_top; /* RQT last entry address */
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unsigned int udbell_len; /* user doorbell region length */
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unsigned long udbell_physbase; /* user doorbell physical start addr */
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void __iomem *kdb_addr; /* kernel doorbell register address */
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struct pci_dev *pdev; /* associated PCI device */
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};
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/*
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* Structure used to request an operation on an RDMA completion queue.
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*/
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struct rdma_cq_op {
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unsigned int id;
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unsigned int op;
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unsigned int credits;
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};
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/*
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* Structure used to setup RDMA completion queues.
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*/
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struct rdma_cq_setup {
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unsigned int id;
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unsigned long long base_addr;
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unsigned int size;
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unsigned int credits;
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unsigned int credit_thres;
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unsigned int ovfl_mode;
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};
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/*
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* Structure used to setup the RDMA control egress context.
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*/
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struct rdma_ctrlqp_setup {
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unsigned long long base_addr;
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unsigned int size;
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};
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/*
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* Offload TX/RX page information.
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*/
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struct ofld_page_info {
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unsigned int page_size; /* Page size, should be a power of 2 */
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unsigned int num; /* Number of pages */
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};
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/*
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* Structure used to get firmware and protocol engine versions.
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*/
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struct ch_embedded_info {
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u32 fw_vers;
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u32 tp_vers;
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};
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#endif /* _CXGB3_OFFLOAD_CTL_DEFS_H */
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