[thirdparty/pciutils.git] / lib / names.h

/*
 *	The PCI Library -- ID to Name Translation
 *
 *	Copyright (c) 1997--2014 Martin Mares <mj@ucw.cz>
 *
 *	Can be freely distributed and used under the terms of the GNU GPL v2+
 *
 *	SPDX-License-Identifier: GPL-2.0-or-later
 */

#define MAX_LINE 1024

/* names-hash.c */

struct id_entry {
  struct id_entry *next;
  u32 id12, id34;
  byte cat;
  byte src;
  char name[1];
};

enum id_entry_type {
  ID_UNKNOWN,
  ID_VENDOR,
  ID_DEVICE,
  ID_SUBSYSTEM,
  ID_GEN_SUBSYSTEM,
  ID_CLASS,
  ID_SUBCLASS,
  ID_PROGIF
};

enum id_entry_src {
  SRC_UNKNOWN,
  SRC_CACHE,
  SRC_NET,
  SRC_HWDB,
  SRC_LOCAL,
};

#define BUCKET_SIZE 8192
#define HASH_SIZE 4099

static inline u32 id_pair(unsigned int x, unsigned int y)
{
  return ((x << 16) | y);
}

static inline unsigned int pair_first(unsigned int x)
{
  return (x >> 16) & 0xffff;
}

static inline unsigned int pair_second(unsigned int x)
{
  return x & 0xffff;
}

int pci_id_insert(struct pci_access *a, int cat, int id1, int id2, int id3, int id4, char *text, enum id_entry_src src);
char *pci_id_lookup(struct pci_access *a, int flags, int cat, int id1, int id2, int id3, int id4);

/* names-cache.c */

int pci_id_cache_load(struct pci_access *a, int flags);
void pci_id_cache_dirty(struct pci_access *a);
void pci_id_cache_flush(struct pci_access *a);
void pci_id_hash_free(struct pci_access *a);

/* names-dns.c */

char *pci_id_net_lookup(struct pci_access *a, int cat, int id1, int id2, int id3, int id4);

/* names-hwdb.c */

char *pci_id_hwdb_lookup(struct pci_access *a, int cat, int id1, int id2, int id3, int id4);
void pci_id_hwdb_free(struct pci_access *a);
Commit	Line	Data
752d4d9a MM	1	/*
	2	* The PCI Library -- ID to Name Translation
	3	*
ac357d3b	4	* Copyright (c) 1997--2014 Martin Mares <mj@ucw.cz>
752d4d9a	5	*
61829219 MM	6	* Can be freely distributed and used under the terms of the GNU GPL v2+
	7	*
	8	* SPDX-License-Identifier: GPL-2.0-or-later
752d4d9a MM	9	*/
	10
	11	#define MAX_LINE 1024
	12
	13	/* names-hash.c */
	14
	15	struct id_entry {
	16	struct id_entry *next;
	17	u32 id12, id34;
	18	byte cat;
	19	byte src;
	20	char name[1];
	21	};
	22
	23	enum id_entry_type {
	24	ID_UNKNOWN,
	25	ID_VENDOR,
	26	ID_DEVICE,
	27	ID_SUBSYSTEM,
	28	ID_GEN_SUBSYSTEM,
	29	ID_CLASS,
	30	ID_SUBCLASS,
	31	ID_PROGIF
	32	};
	33
	34	enum id_entry_src {
	35	SRC_UNKNOWN,
	36	SRC_CACHE,
	37	SRC_NET,
ac357d3b	38	SRC_HWDB,
752d4d9a MM	39	SRC_LOCAL,
	40	};
	41
	42	#define BUCKET_SIZE 8192
	43	#define HASH_SIZE 4099
	44
	45	static inline u32 id_pair(unsigned int x, unsigned int y)
	46	{
	47	return ((x << 16) \| y);
	48	}
	49
	50	static inline unsigned int pair_first(unsigned int x)
	51	{
	52	return (x >> 16) & 0xffff;
	53	}
	54
	55	static inline unsigned int pair_second(unsigned int x)
	56	{
	57	return x & 0xffff;
	58	}
	59
	60	int pci_id_insert(struct pci_access a, int cat, int id1, int id2, int id3, int id4, char text, enum id_entry_src src);
	61	char pci_id_lookup(struct pci_access a, int flags, int cat, int id1, int id2, int id3, int id4);
	62
	63	/* names-cache.c */
	64
	65	int pci_id_cache_load(struct pci_access *a, int flags);
	66	void pci_id_cache_dirty(struct pci_access *a);
	67	void pci_id_cache_flush(struct pci_access *a);
c953c309	68	void pci_id_hash_free(struct pci_access *a);
752d4d9a MM	69
	70	/* names-dns.c */
	71
	72	char pci_id_net_lookup(struct pci_access a, int cat, int id1, int id2, int id3, int id4);
ac357d3b MM	73
	74	/* names-hwdb.c */
	75
	76	char pci_id_hwdb_lookup(struct pci_access a, int cat, int id1, int id2, int id3, int id4);
	77	void pci_id_hwdb_free(struct pci_access *a);