xref: /freebsd/sbin/nvmecontrol/nvmecontrol.h (revision 911f0260390e18cf85f3dbf2c719b593efdc1e3c)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (C) 2012-2013 Intel Corporation
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #ifndef __NVMECONTROL_H__
32 #define __NVMECONTROL_H__
33 
34 #include <dev/nvme/nvme.h>
35 #include "comnd.h"
36 
37 typedef void (*print_fn_t)(const struct nvme_controller_data *cdata, void *buf, uint32_t size);
38 
39 struct logpage_function {
40         SLIST_ENTRY(logpage_function)   link;
41 	uint8_t		log_page;
42 	const char     *vendor;
43 	const char     *name;
44 	print_fn_t	print_fn;
45 	size_t		size;
46 };
47 
48 #define NVME_LOGPAGE(unique, lp, vend, nam, fn, sz)			\
49 	static struct logpage_function unique ## _lpf = {		\
50 		.log_page = lp,						\
51 		.vendor = vend,						\
52 		.name = nam,						\
53 		.print_fn = fn, 					\
54 		.size = sz,						\
55 	} ;								\
56         static void logpage_reg_##unique(void) __attribute__((constructor)); \
57         static void logpage_reg_##unique(void) { logpage_register(&unique##_lpf); }
58 
59 #define DEFAULT_SIZE	(4096)
60 struct kv_name {
61 	uint32_t key;
62 	const char *name;
63 };
64 
65 const char *kv_lookup(const struct kv_name *kv, size_t kv_count, uint32_t key);
66 
67 void logpage_register(struct logpage_function *p);
68 #define NVME_CTRLR_PREFIX	"nvme"
69 #define NVME_NS_PREFIX		"ns"
70 
71 int open_dev(const char *str, int *fd, int write, int exit_on_error);
72 void get_nsid(int fd, char **ctrlr_str, uint32_t *nsid);
73 int read_controller_data(int fd, struct nvme_controller_data *cdata);
74 int read_namespace_data(int fd, uint32_t nsid, struct nvme_namespace_data *nsdata);
75 void print_hex(void *data, uint32_t length);
76 void print_namespace(struct nvme_namespace_data *nsdata);
77 void read_logpage(int fd, uint8_t log_page, uint32_t nsid, uint8_t lsp,
78     uint16_t lsi, uint8_t rae, void *payload, uint32_t payload_size);
79 void print_temp_C(uint16_t t);
80 void print_temp_K(uint16_t t);
81 void print_intel_add_smart(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size __unused);
82 
83 /* Utility Routines */
84 /*
85  * 128-bit integer augments to standard values. On i386 this
86  * doesn't exist, so we use 64-bit values. So, on 32-bit i386,
87  * you'll get truncated values until someone implement 128bit
88  * ints in software.
89  */
90 #define UINT128_DIG	39
91 #ifdef __i386__
92 typedef uint64_t uint128_t;
93 #else
94 typedef __uint128_t uint128_t;
95 #endif
96 
97 static __inline uint128_t
98 to128(void *p)
99 {
100 	return *(uint128_t *)p;
101 }
102 
103 uint64_t le48dec(const void *pp);
104 char * uint128_to_str(uint128_t u, char *buf, size_t buflen);
105 #endif
106