/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2018 Netronome Systems, Inc.
 * All rights reserved.
 */

#ifndef __NFP_NFFW_H__
#define __NFP_NFFW_H__

#include "nfp-common/nfp_platform.h"
#include "nfp_cpp.h"

/*
 * Init-CSR owner IDs for firmware map to firmware IDs which start at 4.
 * Lower IDs are reserved for target and loader IDs.
 */
#define NFFW_FWID_EXT   3	/* For active MEs that we didn't load. */
#define NFFW_FWID_BASE  4

#define NFFW_FWID_ALL   255

/* Init-CSR owner IDs for firmware map to firmware IDs which start at 4.
 * Lower IDs are reserved for target and loader IDs.
 */
#define NFFW_FWID_EXT   3 /* For active MEs that we didn't load. */
#define NFFW_FWID_BASE  4

#define NFFW_FWID_ALL   255

/**
 * NFFW_INFO_VERSION history:
 * 0: This was never actually used (before versioning), but it refers to
 *    the previous struct which had FWINFO_CNT = MEINFO_CNT = 120 that later
 *    changed to 200.
 * 1: First versioned struct, with
 *     FWINFO_CNT = 120
 *     MEINFO_CNT = 120
 * 2:  FWINFO_CNT = 200
 *     MEINFO_CNT = 200
 */
#define NFFW_INFO_VERSION_CURRENT 2

/* Enough for all current chip families */
#define NFFW_MEINFO_CNT_V1 120
#define NFFW_FWINFO_CNT_V1 120
#define NFFW_MEINFO_CNT_V2 200
#define NFFW_FWINFO_CNT_V2 200

struct nffw_meinfo {
	uint32_t ctxmask__fwid__meid;
};

struct nffw_fwinfo {
	uint32_t loaded__mu_da__mip_off_hi;
	uint32_t mip_cppid; /* 0 means no MIP */
	uint32_t mip_offset_lo;
};

struct nfp_nffw_info_v1 {
	struct nffw_meinfo meinfo[NFFW_MEINFO_CNT_V1];
	struct nffw_fwinfo fwinfo[NFFW_FWINFO_CNT_V1];
};

struct nfp_nffw_info_v2 {
	struct nffw_meinfo meinfo[NFFW_MEINFO_CNT_V2];
	struct nffw_fwinfo fwinfo[NFFW_FWINFO_CNT_V2];
};

struct nfp_nffw_info_data {
	uint32_t flags[2];
	union {
		struct nfp_nffw_info_v1 v1;
		struct nfp_nffw_info_v2 v2;
	} info;
};

struct nfp_nffw_info {
	struct nfp_cpp *cpp;
	struct nfp_resource *res;

	struct nfp_nffw_info_data fwinf;
};

struct nfp_nffw_info *nfp_nffw_info_open(struct nfp_cpp *cpp);
void nfp_nffw_info_close(struct nfp_nffw_info *state);

#endif