/* Broadcom NetXtreme-C/E network driver.
 *
 * Copyright (c) 2020 Broadcom Limited
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 */

#ifndef BNXT_HWRM_H
#define BNXT_HWRM_H

#include "bnxt_hsi.h"

#define BNXT_HWRM_MAX_REQ_LEN		(bp->hwrm_max_req_len)
#define BNXT_HWRM_SHORT_REQ_LEN		sizeof(struct hwrm_short_input)
#define HWRM_CMD_MAX_TIMEOUT		40000
#define SHORT_HWRM_CMD_TIMEOUT		20
#define HWRM_CMD_TIMEOUT		(bp->hwrm_cmd_timeout)
#define HWRM_RESET_TIMEOUT		((HWRM_CMD_TIMEOUT) * 4)
#define HWRM_COREDUMP_TIMEOUT		((HWRM_CMD_TIMEOUT) * 12)
#define BNXT_HWRM_REQ_MAX_SIZE		128
#define BNXT_HWRM_REQS_PER_PAGE		(BNXT_PAGE_SIZE /	\
					 BNXT_HWRM_REQ_MAX_SIZE)
#define HWRM_SHORT_MIN_TIMEOUT		3
#define HWRM_SHORT_MAX_TIMEOUT		10
#define HWRM_SHORT_TIMEOUT_COUNTER	5

#define HWRM_MIN_TIMEOUT		25
#define HWRM_MAX_TIMEOUT		40

#define HWRM_WAIT_MUST_ABORT(bp, req)					\
	(le16_to_cpu((req)->req_type) != HWRM_VER_GET &&		\
	 !bnxt_is_fw_healthy(bp))

#define HWRM_TOTAL_TIMEOUT(n)	(((n) <= HWRM_SHORT_TIMEOUT_COUNTER) ?	\
	((n) * HWRM_SHORT_MIN_TIMEOUT) :				\
	(HWRM_SHORT_TIMEOUT_COUNTER * HWRM_SHORT_MIN_TIMEOUT +		\
	 ((n) - HWRM_SHORT_TIMEOUT_COUNTER) * HWRM_MIN_TIMEOUT))

#define HWRM_VALID_BIT_DELAY_USEC	150

#define BNXT_HWRM_CHNL_CHIMP	0
#define BNXT_HWRM_CHNL_KONG	1

static inline bool bnxt_cfa_hwrm_message(u16 req_type)
{
	switch (req_type) {
	case HWRM_CFA_ENCAP_RECORD_ALLOC:
	case HWRM_CFA_ENCAP_RECORD_FREE:
	case HWRM_CFA_DECAP_FILTER_ALLOC:
	case HWRM_CFA_DECAP_FILTER_FREE:
	case HWRM_CFA_EM_FLOW_ALLOC:
	case HWRM_CFA_EM_FLOW_FREE:
	case HWRM_CFA_EM_FLOW_CFG:
	case HWRM_CFA_FLOW_ALLOC:
	case HWRM_CFA_FLOW_FREE:
	case HWRM_CFA_FLOW_INFO:
	case HWRM_CFA_FLOW_FLUSH:
	case HWRM_CFA_FLOW_STATS:
	case HWRM_CFA_METER_PROFILE_ALLOC:
	case HWRM_CFA_METER_PROFILE_FREE:
	case HWRM_CFA_METER_PROFILE_CFG:
	case HWRM_CFA_METER_INSTANCE_ALLOC:
	case HWRM_CFA_METER_INSTANCE_FREE:
		return true;
	default:
		return false;
	}
}

static inline bool bnxt_kong_hwrm_message(struct bnxt *bp, struct input *req)
{
	return (bp->fw_cap & BNXT_FW_CAP_KONG_MB_CHNL &&
		(bnxt_cfa_hwrm_message(le16_to_cpu(req->req_type)) ||
		 le16_to_cpu(req->target_id) == HWRM_TARGET_ID_KONG));
}

static inline void *bnxt_get_hwrm_resp_addr(struct bnxt *bp, void *req)
{
	return bp->hwrm_cmd_resp_addr;
}

static inline u16 bnxt_get_hwrm_seq_id(struct bnxt *bp, u16 dst)
{
	u16 seq_id;

	if (dst == BNXT_HWRM_CHNL_CHIMP)
		seq_id = bp->hwrm_cmd_seq++;
	else
		seq_id = bp->hwrm_cmd_kong_seq++;
	return seq_id;
}

void bnxt_hwrm_cmd_hdr_init(struct bnxt *, void *, u16, u16, u16);
int _hwrm_send_message(struct bnxt *bp, void *msg, u32 len, int timeout);
int _hwrm_send_message_silent(struct bnxt *bp, void *msg, u32 len, int timeout);
int hwrm_send_message(struct bnxt *bp, void *msg, u32 len, int timeout);
int hwrm_send_message_silent(struct bnxt *bp, void *msg, u32 len, int timeout);
#endif