drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nffw.h

/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
/* Copyright (C) 2015-2018 Netronome Systems, Inc. */

/*
 * nfp_nffw.h
 * Authors: Jason McMullan <jason.mcmullan@netronome.com>
 *          Francois H. Theron <francois.theron@netronome.com>
 */

#ifndef NFP_NFFW_H
#define NFP_NFFW_H

/* Implemented in nfp_nffw.c */

struct nfp_nffw_info;

struct nfp_nffw_info *nfp_nffw_info_open(struct nfp_cpp *cpp);
void nfp_nffw_info_close(struct nfp_nffw_info *state);
int nfp_nffw_info_mip_first(struct nfp_nffw_info *state, u32 *cpp_id, u64 *off);

/* Implemented in nfp_mip.c */

struct nfp_mip;

const struct nfp_mip *nfp_mip_open(struct nfp_cpp *cpp);
void nfp_mip_close(const struct nfp_mip *mip);

const char *nfp_mip_name(const struct nfp_mip *mip);
void nfp_mip_symtab(const struct nfp_mip *mip, u32 *addr, u32 *size);
void nfp_mip_strtab(const struct nfp_mip *mip, u32 *addr, u32 *size);

/* Implemented in nfp_rtsym.c */

enum nfp_rtsym_type {
	NFP_RTSYM_TYPE_NONE	= 0,
	NFP_RTSYM_TYPE_OBJECT	= 1,
	NFP_RTSYM_TYPE_FUNCTION	= 2,
	NFP_RTSYM_TYPE_ABS	= 3,
};

#define NFP_RTSYM_TARGET_NONE		0
#define NFP_RTSYM_TARGET_LMEM		-1
#define NFP_RTSYM_TARGET_EMU_CACHE	-7

/**
 * struct nfp_rtsym - RTSYM descriptor
 * @name:	Symbol name
 * @addr:	Address in the domain/target's address space
 * @size:	Size (in bytes) of the symbol
 * @type:	NFP_RTSYM_TYPE_* of the symbol
 * @target:	CPP Target identifier, or NFP_RTSYM_TARGET_*
 * @domain:	CPP Target Domain (island)
 */
struct nfp_rtsym {
	const char *name;
	u64 addr;
	u64 size;
	enum nfp_rtsym_type type;
	int target;
	int domain;
};

struct nfp_rtsym_table;

struct nfp_rtsym_table *nfp_rtsym_table_read(struct nfp_cpp *cpp);
struct nfp_rtsym_table *
__nfp_rtsym_table_read(struct nfp_cpp *cpp, const struct nfp_mip *mip);
int nfp_rtsym_count(struct nfp_rtsym_table *rtbl);
const struct nfp_rtsym *nfp_rtsym_get(struct nfp_rtsym_table *rtbl, int idx);
const struct nfp_rtsym *
nfp_rtsym_lookup(struct nfp_rtsym_table *rtbl, const char *name);

u64 nfp_rtsym_size(const struct nfp_rtsym *rtsym);
int __nfp_rtsym_read(struct nfp_cpp *cpp, const struct nfp_rtsym *sym,
		     u8 action, u8 token, u64 off, void *buf, size_t len);
int nfp_rtsym_read(struct nfp_cpp *cpp, const struct nfp_rtsym *sym, u64 off,
		   void *buf, size_t len);
int __nfp_rtsym_readl(struct nfp_cpp *cpp, const struct nfp_rtsym *sym,
		      u8 action, u8 token, u64 off, u32 *value);
int nfp_rtsym_readl(struct nfp_cpp *cpp, const struct nfp_rtsym *sym, u64 off,
		    u32 *value);
int __nfp_rtsym_readq(struct nfp_cpp *cpp, const struct nfp_rtsym *sym,
		      u8 action, u8 token, u64 off, u64 *value);
int nfp_rtsym_readq(struct nfp_cpp *cpp, const struct nfp_rtsym *sym, u64 off,
		    u64 *value);
int __nfp_rtsym_write(struct nfp_cpp *cpp, const struct nfp_rtsym *sym,
		      u8 action, u8 token, u64 off, void *buf, size_t len);
int nfp_rtsym_write(struct nfp_cpp *cpp, const struct nfp_rtsym *sym, u64 off,
		    void *buf, size_t len);
int __nfp_rtsym_writel(struct nfp_cpp *cpp, const struct nfp_rtsym *sym,
		       u8 action, u8 token, u64 off, u32 value);
int nfp_rtsym_writel(struct nfp_cpp *cpp, const struct nfp_rtsym *sym, u64 off,
		     u32 value);
int __nfp_rtsym_writeq(struct nfp_cpp *cpp, const struct nfp_rtsym *sym,
		       u8 action, u8 token, u64 off, u64 value);
int nfp_rtsym_writeq(struct nfp_cpp *cpp, const struct nfp_rtsym *sym, u64 off,
		     u64 value);

u64 nfp_rtsym_read_le(struct nfp_rtsym_table *rtbl, const char *name,
		      int *error);
int nfp_rtsym_write_le(struct nfp_rtsym_table *rtbl, const char *name,
		       u64 value);
u8 __iomem *
nfp_rtsym_map(struct nfp_rtsym_table *rtbl, const char *name, const char *id,
	      unsigned int min_size, struct nfp_cpp_area **area);

#endif /* NFP_NFFW_H */