[thirdparty/pciutils.git] / lspci.h

/*
 *	The PCI Utilities -- List All PCI Devices
 *
 *	Copyright (c) 1997--2018 Martin Mares <mj@ucw.cz>
 *
 *	Can be freely distributed and used under the terms of the GNU GPL.
 */

#define PCIUTILS_LSPCI
#include "pciutils.h"

/*
 *  If we aren't being compiled by GCC, use xmalloc() instead of alloca().
 *  This increases our memory footprint, but only slightly since we don't
 *  use alloca() much.
 */
#if defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__) || defined (__DragonFly__) || defined (__DJGPP__)
/* alloca() is defined in stdlib.h */
#elif defined(__GNUC__) && !defined(PCI_OS_WINDOWS)
#include <alloca.h>
#else
#undef alloca
#define alloca xmalloc
#endif

/*** Options ***/

extern int verbose;
extern struct pci_filter filter;
extern char *opt_pcimap;

/*** PCI devices and access to their config space ***/

struct device {
  struct device *next;
  struct pci_dev *dev;
  /* Bus topology calculated by grow_tree() */
  struct device *bus_next;
  struct bus *parent_bus;
  struct bridge *bridge;
  /* Cache */
  unsigned int config_cached, config_bufsize;
  byte *config;				/* Cached configuration space data */
  byte *present;			/* Maps which configuration bytes are present */
};

extern struct device *first_dev;
extern struct pci_access *pacc;

struct device *scan_device(struct pci_dev *p);
void show_device(struct device *d);

int config_fetch(struct device *d, unsigned int pos, unsigned int len);
u32 get_conf_long(struct device *d, unsigned int pos);
word get_conf_word(struct device *d, unsigned int pos);
byte get_conf_byte(struct device *d, unsigned int pos);

void get_subid(struct device *d, word *subvp, word *subdp);

/* Useful macros for decoding of bits and bit fields */

#define FLAG(x,y) ((x & y) ? '+' : '-')
#define BITS(x,at,width) (((x) >> (at)) & ((1 << (width)) - 1))
#define TABLE(tab,x,buf) ((x) < sizeof(tab)/sizeof((tab)[0]) ? (tab)[x] : (sprintf((buf), "??%d", (x)), (buf)))

/* ls-vpd.c */

void cap_vpd(struct device *d);

/* ls-caps.c */

void show_caps(struct device *d, int where);

/* ls-ecaps.c */

void show_ext_caps(struct device *d, int type);

/* ls-caps-vendor.c */

void show_vendor_caps(struct device *d, int where, int cap);

/* ls-kernel.c */

void show_kernel_machine(struct device *d UNUSED);
void show_kernel(struct device *d UNUSED);
void show_kernel_cleanup(void);

/* ls-tree.c */

struct bridge {
  struct bridge *chain;			/* Single-linked list of bridges */
  struct bridge *next, *child;		/* Tree of bridges */
  struct bus *first_bus;		/* List of buses connected to this bridge */
  unsigned int domain;
  unsigned int primary, secondary, subordinate;	/* Bus numbers */
  struct device *br_dev;
};

struct bus {
  unsigned int domain;
  unsigned int number;
  struct bus *sibling;
  struct bridge *parent_bridge;
  struct device *first_dev, **last_dev;
};

extern struct bridge host_bridge;

void grow_tree(void);
void show_forest(void);

/* ls-map.c */

void map_the_bus(void);
Commit	Line	Data
c7a34993 MM	1	/*
	2	* The PCI Utilities -- List All PCI Devices
	3	*
6b056c8e	4	* Copyright (c) 1997--2018 Martin Mares <mj@ucw.cz>
c7a34993 MM	5	*
	6	* Can be freely distributed and used under the terms of the GNU GPL.
	7	*/
	8
	9	#define PCIUTILS_LSPCI
	10	#include "pciutils.h"
	11
	12	/*
	13	* If we aren't being compiled by GCC, use xmalloc() instead of alloca().
	14	* This increases our memory footprint, but only slightly since we don't
	15	* use alloca() much.
	16	*/
5c5ce192	17	#if defined (__FreeBSD__) \|\| defined (__NetBSD__) \|\| defined (__OpenBSD__) \|\| defined (__DragonFly__) \|\| defined (__DJGPP__)
c7a34993 MM	18	/* alloca() is defined in stdlib.h */
	19	#elif defined(__GNUC__) && !defined(PCI_OS_WINDOWS)
	20	#include <alloca.h>
	21	#else
	22	#undef alloca
	23	#define alloca xmalloc
	24	#endif
	25
	26	/* Options */
	27
	28	extern int verbose;
	29	extern struct pci_filter filter;
	30	extern char *opt_pcimap;
	31
	32	/* PCI devices and access to their config space */
	33
	34	struct device {
	35	struct device *next;
	36	struct pci_dev *dev;
6b056c8e MM	37	/* Bus topology calculated by grow_tree() */
	38	struct device *bus_next;
	39	struct bus *parent_bus;
	40	struct bridge *bridge;
	41	/* Cache */
c7a34993 MM	42	unsigned int config_cached, config_bufsize;
	43	byte config; / Cached configuration space data */
	44	byte present; / Maps which configuration bytes are present */
	45	};
	46
	47	extern struct device *first_dev;
	48	extern struct pci_access *pacc;
	49
	50	struct device scan_device(struct pci_dev p);
	51	void show_device(struct device *d);
	52
	53	int config_fetch(struct device *d, unsigned int pos, unsigned int len);
	54	u32 get_conf_long(struct device *d, unsigned int pos);
	55	word get_conf_word(struct device *d, unsigned int pos);
	56	byte get_conf_byte(struct device *d, unsigned int pos);
	57
	58	void get_subid(struct device d, word subvp, word *subdp);
	59
769ff0a8 MM	60	/* Useful macros for decoding of bits and bit fields */
769ff0a8 MM	61
c7a34993	62	#define FLAG(x,y) ((x & y) ? '+' : '-')
769ff0a8 MM	63	#define BITS(x,at,width) (((x) >> (at)) & ((1 << (width)) - 1))
769ff0a8 MM	64	#define TABLE(tab,x,buf) ((x) < sizeof(tab)/sizeof((tab)[0]) ? (tab)[x] : (sprintf((buf), "??%d", (x)), (buf)))
c7a34993 MM	65
	66	/* ls-vpd.c */
	67
	68	void cap_vpd(struct device *d);
	69
	70	/* ls-caps.c */
	71
21510591	72	void show_caps(struct device *d, int where);
c7a34993 MM	73
	74	/* ls-ecaps.c */
	75
a1492b88	76	void show_ext_caps(struct device *d, int type);
c7a34993	77
7ff8a323 GH	78	/* ls-caps-vendor.c */
	79
	80	void show_vendor_caps(struct device *d, int where, int cap);
	81
c7a34993 MM	82	/* ls-kernel.c */
	83
	84	void show_kernel_machine(struct device *d UNUSED);
	85	void show_kernel(struct device *d UNUSED);
17ec7e70	86	void show_kernel_cleanup(void);
c7a34993 MM	87
	88	/* ls-tree.c */
	89
6b056c8e MM	90	struct bridge {
	91	struct bridge chain; / Single-linked list of bridges */
	92	struct bridge next, child; /* Tree of bridges */
	93	struct bus first_bus; / List of buses connected to this bridge */
	94	unsigned int domain;
	95	unsigned int primary, secondary, subordinate; /* Bus numbers */
	96	struct device *br_dev;
	97	};
	98
	99	struct bus {
	100	unsigned int domain;
	101	unsigned int number;
	102	struct bus *sibling;
	103	struct bridge *parent_bridge;
	104	struct device first_dev, *last_dev;
	105	};
	106
	107	extern struct bridge host_bridge;
	108
	109	void grow_tree(void);
c7a34993 MM	110	void show_forest(void);
	111
	112	/* ls-map.c */
	113
	114	void map_the_bus(void);