linux/drivers/net/cxgb3/cxgb3_ctl_defs.h

/*
 * Copyright (C) 2003-2006 Chelsio Communications.  All rights reserved.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the LICENSE file included in this
 * release for licensing terms and conditions.
 */

#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,
};

/*
 * 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;
};
#endif				/* _CXGB3_OFFLOAD_CTL_DEFS_H */