/*
* Copyright (c) 2003-2007 Chelsio, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _CXGB3_OFFLOAD_CTL_DEFS_H
#define _CXGB3_OFFLOAD_CTL_DEFS_H
enum {
GET_MAX_OUTSTANDING_WR = 0,
GET_TX_MAX_CHUNK = 1,
GET_TID_RANGE = 2,
GET_STID_RANGE = 3,
GET_RTBL_RANGE = 4,
GET_L2T_CAPACITY = 5,
GET_MTUS = 6,
GET_WR_LEN = 7,
GET_IFF_FROM_MAC = 8,
GET_DDP_PARAMS = 9,
GET_PORTS = 10,
ULP_ISCSI_GET_PARAMS = 11,
ULP_ISCSI_SET_PARAMS = 12,
RDMA_GET_PARAMS = 13,
RDMA_CQ_OP = 14,
RDMA_CQ_SETUP = 15,
RDMA_CQ_DISABLE = 16,
RDMA_CTRL_QP_SETUP = 17,
RDMA_GET_MEM = 18,
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;
};
/*
* 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 __iomem *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;
};
/*
* 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 */
};
#endif /* _CXGB3_OFFLOAD_CTL_DEFS_H */
