xref: /illumos-gate/usr/src/cmd/pcieadm/pcieadm.h (revision 6446bd46ed1b4e9f69da153665f82181ccaedad5)
1 /*
2  * This file and its contents are supplied under the terms of the
3  * Common Development and Distribution License ("CDDL"), version 1.0.
4  * You may only use this file in accordance with the terms of version
5  * 1.0 of the CDDL.
6  *
7  * A full copy of the text of the CDDL should have accompanied this
8  * source.  A copy of the CDDL is also available via the Internet at
9  * http://www.illumos.org/license/CDDL.
10  */
11 
12 /*
13  * Copyright 2021 Oxide Computer Company
14  */
15 
16 #ifndef _PCIEADM_H
17 #define	_PCIEADM_H
18 
19 /*
20  * Common definitions for pcieadm(8).
21  */
22 
23 #include <libdevinfo.h>
24 #include <pcidb.h>
25 #include <priv.h>
26 
27 #ifdef __cplusplus
28 extern "C" {
29 #endif
30 
31 typedef struct pcieadm pcieadm_t;
32 
33 typedef struct pcieadm_cmdtab {
34 	const char *pct_name;
35 	int (*pct_func)(pcieadm_t *, int, char **);
36 	void (*pct_use)(FILE *);
37 } pcieadm_cmdtab_t;
38 
39 struct pcieadm {
40 	uint_t pia_indent;
41 	di_node_t pia_root;
42 	const char *pia_devstr;
43 	di_node_t pia_devi;
44 	di_node_t pia_nexus;
45 	pcidb_hdl_t *pia_pcidb;
46 	const pcieadm_cmdtab_t *pia_cmdtab;
47 	priv_set_t *pia_priv_init;
48 	priv_set_t *pia_priv_min;
49 	priv_set_t *pia_priv_eff;
50 };
51 
52 typedef struct {
53 	void *pdw_arg;
54 	int (*pdw_func)(di_node_t, void *);
55 } pcieadm_di_walk_t;
56 
57 /*
58  * Config space related
59  */
60 typedef boolean_t (*pcieadm_cfgspace_f)(uint32_t, uint8_t, void *, void *);
61 
62 /*
63  * Utilities
64  */
65 extern void pcieadm_di_walk(pcieadm_t *, pcieadm_di_walk_t *);
66 extern void pcieadm_init_cfgspace_kernel(pcieadm_t *, pcieadm_cfgspace_f *,
67     void **);
68 extern void pcieadm_fini_cfgspace_kernel(void *);
69 extern void pcieadm_init_cfgspace_file(pcieadm_t *, const char *,
70     pcieadm_cfgspace_f *, void **);
71 extern void pcieadm_fini_cfgspace_file(void *);
72 extern void pcieadm_find_nexus(pcieadm_t *);
73 extern void pcieadm_find_dip(pcieadm_t *, const char *);
74 
75 /*
76  * Output related
77  */
78 extern const char *pcieadm_progname;
79 extern void pcieadm_indent(void);
80 extern void pcieadm_deindent(void);
81 extern void pcieadm_print(const char *, ...);
82 extern void pcieadm_ofmt_errx(const char *, ...);
83 
84 /*
85  * Command tabs
86  */
87 extern int pcieadm_save_cfgspace(pcieadm_t *, int, char *[]);
88 extern void pcieadm_save_cfgspace_usage(FILE *);
89 extern int pcieadm_show_cfgspace(pcieadm_t *, int, char *[]);
90 extern void pcieadm_show_cfgspace_usage(FILE *);
91 extern int pcieadm_show_devs(pcieadm_t *, int, char *[]);
92 extern void pcieadm_show_devs_usage(FILE *);
93 
94 #define	EXIT_USAGE	2
95 
96 /*
97  * Privilege related. Note there are no centralized functions around raising and
98  * lowering privs as that unfortunately makes ROPs more easy to execute.
99  */
100 extern void pcieadm_init_privs(pcieadm_t *);
101 
102 /*
103  * XXX Maybe not here:
104  */
105 #define	BITX(u, h, l)   (((u) >> (l)) & ((1LU << ((h) - (l) + 1LU)) - 1LU))
106 
107 #ifdef __cplusplus
108 }
109 #endif
110 
111 #endif /* _PCIEADM_H */
112