xref: /freebsd-10-stable/sys/dev/qlnx/qlnxe/ecore_proto_if.h

/*
 * Copyright (c) 2017-2018 Cavium, 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. 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.
 *
 *  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: stable/10/sys/dev/qlnx/qlnxe/ecore_proto_if.h 337519 2018-08-09 01:39:47Z davidcs $
 *
 */

#ifndef __ECORE_PROTO_IF_H__
#define __ECORE_PROTO_IF_H__

/*
 * PF parameters (according to personality/protocol)
 */

#define ECORE_ROCE_PROTOCOL_INDEX	(3)

struct ecore_eth_pf_params {
	/* The following parameters are used during HW-init
	 * and these parameters need to be passed as arguments
	 * to update_pf_params routine invoked before slowpath start
	 */
	u16	num_cons;

	/* per-VF number of CIDs */
	u8	num_vf_cons;
#define ETH_PF_PARAMS_VF_CONS_DEFAULT	(32)

	/* To enable arfs, previous to HW-init a positive number needs to be
	 * set [as filters require allocated searcher ILT memory].
	 * This will set the maximal number of configured steering-filters.
	 */
	u32	num_arfs_filters;
};

/* Most of the the parameters below are described in the FW FCoE HSI */
struct ecore_fcoe_pf_params {
	/* The following parameters are used during protocol-init */
	u64		glbl_q_params_addr;
	u64		bdq_pbl_base_addr[2];

	/* The following parameters are used during HW-init
	 * and these parameters need to be passed as arguments
	 * to update_pf_params routine invoked before slowpath start
	 */
	u16		num_cons;
	u16		num_tasks;

	/* The following parameters are used during protocol-init */
	u16		sq_num_pbl_pages;

	u16		cq_num_entries;
	u16		cmdq_num_entries;
	u16		rq_buffer_log_size;
	u16		mtu;
	u16		dummy_icid;
	u16		bdq_xoff_threshold[2];
	u16		bdq_xon_threshold[2];
	u16		rq_buffer_size;
	u8		num_cqs; /* num of global CQs */
	u8		log_page_size;
	u8		gl_rq_pi;
	u8		gl_cmd_pi;
	u8		debug_mode;
	u8		is_target;
	u8		bdq_pbl_num_entries[2];
};

/* Most of the the parameters below are described in the FW iSCSI / TCP HSI */
struct ecore_iscsi_pf_params {

	u64		glbl_q_params_addr;
	u64		bdq_pbl_base_addr[3];
	u16		cq_num_entries;
	u16		cmdq_num_entries;
	u32		two_msl_timer;
	u16		tx_sws_timer;
	/* The following parameters are used during HW-init
	 * and these parameters need to be passed as arguments
	 * to update_pf_params routine invoked before slowpath start
	 */
	u16		num_cons;
	u16		num_tasks;

	/* The following parameters are used during protocol-init */
	u16		half_way_close_timeout;
	u16		bdq_xoff_threshold[3];
	u16		bdq_xon_threshold[3];
	u16		cmdq_xoff_threshold;
	u16		cmdq_xon_threshold;
	u16		rq_buffer_size;

	u8		num_sq_pages_in_ring;
	u8		num_r2tq_pages_in_ring;
	u8		num_uhq_pages_in_ring;
	u8		num_queues;
	u8		log_page_size;
	u8		rqe_log_size;
	u8		max_fin_rt;
	u8		gl_rq_pi;
	u8		gl_cmd_pi;
	u8		debug_mode;
	u8		ll2_ooo_queue_id;

	u8		is_target;
	u8		is_soc_en;
	u8		soc_num_of_blocks_log;
	u8		bdq_pbl_num_entries[3];
	u8		disable_stats_collection;
};

enum ecore_rdma_protocol {
	ECORE_RDMA_PROTOCOL_DEFAULT,
	ECORE_RDMA_PROTOCOL_NONE,
	ECORE_RDMA_PROTOCOL_ROCE,
	ECORE_RDMA_PROTOCOL_IWARP,
};

struct ecore_rdma_pf_params {
	/* Supplied to ECORE during resource allocation (may affect the ILT and
	 * the doorbell BAR).
	 */
	u32		min_dpis;	/* number of requested DPIs */
	u32		num_qps;	/* number of requested Queue Pairs */
	u32		num_srqs;	/* number of requested SRQs */
	u32		num_xrc_srqs;	/* number of requested XRC SRQs */
	u8		roce_edpm_mode; /* see QED_ROCE_EDPM_MODE_ENABLE */
	u8		gl_pi;		/* protocol index */

	/* Will allocate rate limiters to be used with QPs */
	u8		enable_dcqcn;

	/* Max number of CNQs - limits number of ECORE_RDMA_CNQ feature,
	 * Allowing an incrementation in ECORE_PF_L2_QUE.
	 * To disable CNQs, use dedicated value instead of `0'.
	 */
#define ECORE_RDMA_PF_PARAMS_CNQS_NONE	(0xffff)
	u16		max_cnqs;

	/* TCP port number used for the iwarp traffic */
	u16		iwarp_port;
	enum ecore_rdma_protocol rdma_protocol;
};

struct ecore_pf_params {
	struct ecore_eth_pf_params	eth_pf_params;
	struct ecore_fcoe_pf_params	fcoe_pf_params;
	struct ecore_iscsi_pf_params	iscsi_pf_params;
	struct ecore_rdma_pf_params	rdma_pf_params;
};

#endif