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 29 #ifndef __NVMECONTROL_H__ 30 #define __NVMECONTROL_H__ 31 32 #include <dev/nvme/nvme.h> 33 #include "comnd.h" 34 35 typedef void (*print_fn_t)(const struct nvme_controller_data *cdata, void *buf, uint32_t size); 36 37 struct logpage_function { 38 SLIST_ENTRY(logpage_function) link; 39 uint8_t log_page; 40 const char *vendor; 41 const char *name; 42 print_fn_t print_fn; 43 size_t size; 44 }; 45 46 #define NVME_LOGPAGE(unique, lp, vend, nam, fn, sz) \ 47 static struct logpage_function unique ## _lpf = { \ 48 .log_page = lp, \ 49 .vendor = vend, \ 50 .name = nam, \ 51 .print_fn = fn, \ 52 .size = sz, \ 53 } ; \ 54 static void logpage_reg_##unique(void) __attribute__((constructor)); \ 55 static void logpage_reg_##unique(void) { logpage_register(&unique##_lpf); } 56 57 #define DEFAULT_SIZE (4096) 58 struct kv_name { 59 uint32_t key; 60 const char *name; 61 }; 62 63 /* 64 * Generically convert little endian to host endian, based on the type of the thing 65 * being converted. Use the proposed name for future changes to endian.h. 66 */ 67 #define letoh(x) \ 68 _Generic(x, \ 69 uint8_t: (x), \ 70 uint16_t: le16toh(x), \ 71 uint32_t: le32toh(x), \ 72 uint64_t: le64toh(x)) 73 74 const char *kv_lookup(const struct kv_name *kv, size_t kv_count, uint32_t key); 75 76 void logpage_register(struct logpage_function *p); 77 #define NVME_CTRLR_PREFIX "nvme" 78 #define NVME_NS_PREFIX "ns" 79 80 int open_dev(const char *str, int *fd, int write, int exit_on_error); 81 void get_nsid(int fd, char **ctrlr_str, uint32_t *nsid); 82 int read_controller_data(int fd, struct nvme_controller_data *cdata); 83 int read_namespace_data(int fd, uint32_t nsid, struct nvme_namespace_data *nsdata); 84 void print_hex(void *data, uint32_t length); 85 void print_namespace(struct nvme_namespace_data *nsdata); 86 void read_logpage(int fd, uint8_t log_page, uint32_t nsid, uint8_t lsp, 87 uint16_t lsi, uint8_t rae, uint64_t lpo, uint8_t csi, uint8_t ot, 88 uint16_t uuid_index, void *payload, uint32_t payload_size); 89 void print_temp_C(uint16_t t); 90 void print_temp_K(uint16_t t); 91 void print_intel_add_smart(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size __unused); 92 93 /* Utility Routines */ 94 /* 95 * C23 supports 128-bit integers via _BitInt(128). clang 16 and gcc 13 support 96 * this. Older compilers will support 128-bit ints on 64-bit 97 * platforms. Otherwise we truncate this to 64-bit on 32-bit systems with older 98 * compilers. We also check for > C18 instead of >= C23 because clang 17 was 99 * released before the __STDC_VERSION__ was defined. 100 */ 101 #define UINT128_DIG 39 102 #if __STDC_VERSION__ >= 202311L 103 typedef unsigned _BitInt(128) uint128_t; 104 #elif defined(__SIZEOF_INT128__) 105 typedef __uint128_t uint128_t; 106 #else 107 typedef uint64_t uint128_t; 108 #endif 109 110 static __inline uint128_t 111 to128(void *p) 112 { 113 #if __STDC_VERSION__ >= 202311L || defined(__SIZEOF_INT128__) 114 uint64_t lo, hi; 115 116 lo = le64dec(p); 117 hi = le64dec((const char *)p + 8); 118 return ((uint128_t)hi << 64 | lo); 119 #else 120 return (le64dec(p)); 121 #endif 122 } 123 124 uint64_t le48dec(const void *pp); 125 char * uint128_to_str(uint128_t u, char *buf, size_t buflen); 126 #endif 127