/*
 * Copyright (C) 2003-2009 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

#include <linux/compiler.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,
	RDMA_GET_MIB		= 19,

	FAILOVER		= 30,
	FAILOVER_DONE		= 31,
	FAILOVER_CLEAR		= 32,
	FAILOVER_ACTIVE_SLAVE	= 33,
	FAILOVER_PORT_DOWN	= 34,
	FAILOVER_PORT_UP	= 35,
	FAILOVER_PORT_RELEASE	= 36,

	GET_CPUIDX_OF_QSET	= 40,
	GET_PORT_SCHED          = 41,
	GET_PORT_ARRAY          = 42,
	GET_NUM_QUEUES          = 43,

	GET_RX_PAGE_INFO	= 50,

	GET_ISCSI_IPV4ADDR	= 51,
	SET_ISCSI_IPV4ADDR	= 52,

	GET_EMBEDDED_INFO       = 70,
};

/*
 * 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;
};

/* Structure used to request a port's offload scheduler */
struct port_sched {
	struct net_device *dev;          /* the net_device */
	int sched;                       /* associated scheduler */
};

/* Structure used to request a port's iSCSI IPv4 address */
struct iscsi_ipv4addr {
	struct net_device *dev;		/* the net_device */
	__be32 ipv4addr;		/* the returned iSCSI IPv4 address */
};

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[4]; /* Max number of ports is 4 */
};

struct port_array {
	unsigned int nports;          /* number of ports on this adapter */
	struct net_device **lldevs;   /* points to array of net_devices */
};

struct bond_ports {
	unsigned int port;	
	unsigned int nports;		/* number of ports on this adapter */
	unsigned int ports[4];		/* Max number of ports is 4 */
};

/*
 * 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;
	u8		pgsz_factor[4];
	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 __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;
};

/*
 * Structure used to get firmware and protocol engine versions.
 */
struct ch_embedded_info {
	u32 fw_vers;
	u32 tp_vers;
};
#endif /* _CXGB3_OFFLOAD_CTL_DEFS_H */