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239b2882 JA |
1 | #ifndef FIO_OS_DRAGONFLY_H |
2 | #define FIO_OS_DRAGONFLY_H | |
3 | ||
4 | #define FIO_OS os_dragonfly | |
5 | ||
6 | #include <errno.h> | |
5efb2861 | 7 | #include <unistd.h> |
1236d61c | 8 | #include <sys/endian.h> |
239b2882 | 9 | #include <sys/param.h> |
239b2882 | 10 | #include <sys/sysctl.h> |
60f840a8 | 11 | #include <sys/statvfs.h> |
1116dc04 | 12 | #include <sys/diskslice.h> |
a306497a | 13 | #include <sys/usched.h> |
4717fc5d | 14 | #include <sys/resource.h> |
239b2882 | 15 | |
4fe721ac TK |
16 | /* API changed during "5.3 development" */ |
17 | #if __DragonFly_version < 500302 | |
18 | #include <sys/ioctl_compat.h> | |
19 | #define DAIOCTRIM IOCTLTRIM | |
20 | #else | |
21 | #include <bus/cam/scsi/scsi_daio.h> | |
22 | #endif | |
23 | ||
239b2882 | 24 | #include "../file.h" |
52fd65f4 | 25 | #include "../lib/types.h" |
239b2882 JA |
26 | |
27 | #define FIO_HAVE_ODIRECT | |
239b2882 | 28 | #define FIO_USE_GENERIC_INIT_RANDOM_STATE |
60f840a8 | 29 | #define FIO_HAVE_FS_STAT |
c9a4e0c8 | 30 | #define FIO_HAVE_TRIM |
1116dc04 | 31 | #define FIO_HAVE_CHARDEV_SIZE |
239b2882 | 32 | #define FIO_HAVE_GETTID |
a306497a | 33 | #define FIO_HAVE_CPU_AFFINITY |
4717fc5d | 34 | #define FIO_HAVE_IOPRIO |
0cfe2089 | 35 | #define FIO_HAVE_SHM_ATTACH_REMOVED |
239b2882 JA |
36 | |
37 | #define OS_MAP_ANON MAP_ANON | |
38 | ||
39 | #ifndef PTHREAD_STACK_MIN | |
40 | #define PTHREAD_STACK_MIN 4096 | |
41 | #endif | |
42 | ||
43 | #define fio_swap16(x) bswap16(x) | |
44 | #define fio_swap32(x) bswap32(x) | |
45 | #define fio_swap64(x) bswap64(x) | |
46 | ||
a306497a TK |
47 | /* This is supposed to equal (sizeof(cpumask_t)*8) */ |
48 | #define FIO_MAX_CPUS SMP_MAXCPU | |
49 | ||
a306497a TK |
50 | typedef cpumask_t os_cpu_mask_t; |
51 | ||
52 | /* | |
53 | * These macros are copied from sys/cpu/x86_64/include/types.h. | |
54 | * It's okay to copy from arch dependent header because x86_64 is the only | |
55 | * supported arch, and no other arch is going to be supported any time soon. | |
56 | * | |
57 | * These are supposed to be able to be included from userspace by defining | |
58 | * _KERNEL_STRUCTURES, however this scheme is badly broken that enabling it | |
59 | * causes compile-time conflicts with other headers. Although the current | |
60 | * upstream code no longer requires _KERNEL_STRUCTURES, they should be kept | |
61 | * here for compatibility with older versions. | |
62 | */ | |
63 | #ifndef CPUMASK_SIMPLE | |
64 | #define CPUMASK_SIMPLE(cpu) ((uint64_t)1 << (cpu)) | |
65 | #define CPUMASK_TESTBIT(val, i) ((val).ary[((i) >> 6) & 3] & \ | |
66 | CPUMASK_SIMPLE((i) & 63)) | |
67 | #define CPUMASK_ORBIT(mask, i) ((mask).ary[((i) >> 6) & 3] |= \ | |
68 | CPUMASK_SIMPLE((i) & 63)) | |
69 | #define CPUMASK_NANDBIT(mask, i) ((mask).ary[((i) >> 6) & 3] &= \ | |
70 | ~CPUMASK_SIMPLE((i) & 63)) | |
71 | #define CPUMASK_ASSZERO(mask) do { \ | |
72 | (mask).ary[0] = 0; \ | |
73 | (mask).ary[1] = 0; \ | |
74 | (mask).ary[2] = 0; \ | |
75 | (mask).ary[3] = 0; \ | |
76 | } while(0) | |
77 | #endif | |
78 | ||
79 | /* | |
80 | * Define USCHED_GET_CPUMASK as the macro didn't exist until release 4.5. | |
2c6772e2 | 81 | * usched_set(2) returns EINVAL if the kernel doesn't support it. |
a306497a TK |
82 | * |
83 | * Also note usched_set(2) works only for the current thread regardless of | |
84 | * the command type. It doesn't work against another thread regardless of | |
85 | * a caller's privilege. A caller would generally specify 0 for pid for the | |
86 | * current thread though that's the only choice. See BUGS in usched_set(2). | |
87 | */ | |
88 | #ifndef USCHED_GET_CPUMASK | |
89 | #define USCHED_GET_CPUMASK 5 | |
90 | #endif | |
91 | ||
cbf448e1 TK |
92 | /* No CPU_COUNT(), but use the default function defined in os/os.h */ |
93 | #define fio_cpu_count(mask) CPU_COUNT((mask)) | |
94 | ||
e9d2a04d TK |
95 | #ifdef CONFIG_PTHREAD_GETAFFINITY |
96 | #define FIO_HAVE_GET_THREAD_AFFINITY | |
97 | #define fio_get_thread_affinity(mask) \ | |
98 | pthread_getaffinity_np(pthread_self(), sizeof(mask), &(mask)) | |
99 | #endif | |
100 | ||
a306497a TK |
101 | static inline int fio_cpuset_init(os_cpu_mask_t *mask) |
102 | { | |
103 | CPUMASK_ASSZERO(*mask); | |
104 | return 0; | |
105 | } | |
106 | ||
107 | static inline int fio_cpuset_exit(os_cpu_mask_t *mask) | |
108 | { | |
109 | return 0; | |
110 | } | |
111 | ||
112 | static inline void fio_cpu_clear(os_cpu_mask_t *mask, int cpu) | |
113 | { | |
114 | CPUMASK_NANDBIT(*mask, cpu); | |
115 | } | |
116 | ||
117 | static inline void fio_cpu_set(os_cpu_mask_t *mask, int cpu) | |
118 | { | |
119 | CPUMASK_ORBIT(*mask, cpu); | |
120 | } | |
121 | ||
52fd65f4 | 122 | static inline bool fio_cpu_isset(os_cpu_mask_t *mask, int cpu) |
a306497a | 123 | { |
52fd65f4 | 124 | return CPUMASK_TESTBIT(*mask, cpu) != 0; |
a306497a TK |
125 | } |
126 | ||
a306497a TK |
127 | static inline int fio_setaffinity(int pid, os_cpu_mask_t mask) |
128 | { | |
129 | int i, firstcall = 1; | |
130 | ||
131 | /* 0 for the current thread, see BUGS in usched_set(2) */ | |
132 | pid = 0; | |
133 | ||
134 | for (i = 0; i < FIO_MAX_CPUS; i++) { | |
135 | if (!CPUMASK_TESTBIT(mask, i)) | |
136 | continue; | |
137 | if (firstcall) { | |
138 | if (usched_set(pid, USCHED_SET_CPU, &i, sizeof(int))) | |
139 | return -1; | |
140 | firstcall = 0; | |
141 | } else { | |
142 | if (usched_set(pid, USCHED_ADD_CPU, &i, sizeof(int))) | |
143 | return -1; | |
144 | } | |
145 | } | |
146 | ||
147 | return 0; | |
148 | } | |
149 | ||
2c6772e2 | 150 | static inline int fio_getaffinity(int pid, os_cpu_mask_t *mask) |
a306497a TK |
151 | { |
152 | /* 0 for the current thread, see BUGS in usched_set(2) */ | |
153 | pid = 0; | |
154 | ||
2c6772e2 TK |
155 | if (usched_set(pid, USCHED_GET_CPUMASK, mask, sizeof(*mask))) |
156 | return -1; | |
157 | ||
158 | return 0; | |
a306497a | 159 | } |
239b2882 | 160 | |
4717fc5d TK |
161 | /* fio code is Linux based, so rename macros to Linux style */ |
162 | #define IOPRIO_WHO_PROCESS PRIO_PROCESS | |
163 | #define IOPRIO_WHO_PGRP PRIO_PGRP | |
164 | #define IOPRIO_WHO_USER PRIO_USER | |
165 | ||
166 | #define IOPRIO_MIN_PRIO 1 /* lowest priority */ | |
167 | #define IOPRIO_MAX_PRIO 10 /* highest priority */ | |
168 | ||
169 | /* | |
170 | * Prototypes declared in sys/sys/resource.h are preventing from defining | |
171 | * ioprio_set() with 4 arguments, so define fio's ioprio_set() as a macro. | |
172 | * Note that there is no idea of class within ioprio_set(2) unlike Linux. | |
173 | */ | |
8d6e8d99 | 174 | #define ioprio_value(ioprio_class, ioprio) (ioprio) |
4717fc5d TK |
175 | #define ioprio_set(which, who, ioprio_class, ioprio) \ |
176 | ioprio_set(which, who, ioprio) | |
177 | ||
a967e54d DLM |
178 | #define ioprio(ioprio) (ioprio) |
179 | ||
1116dc04 TK |
180 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) |
181 | { | |
182 | struct partinfo pi; | |
183 | ||
184 | if (!ioctl(f->fd, DIOCGPART, &pi)) { | |
185 | *bytes = (unsigned long long) pi.media_size; | |
186 | return 0; | |
187 | } | |
188 | ||
189 | *bytes = 0; | |
190 | return errno; | |
191 | } | |
192 | ||
193 | static inline int chardev_size(struct fio_file *f, unsigned long long *bytes) | |
194 | { | |
195 | return blockdev_size(f, bytes); | |
196 | } | |
197 | ||
239b2882 JA |
198 | static inline int blockdev_invalidate_cache(struct fio_file *f) |
199 | { | |
22de5d77 | 200 | return ENOTSUP; |
239b2882 JA |
201 | } |
202 | ||
203 | static inline unsigned long long os_phys_mem(void) | |
204 | { | |
205 | int mib[2] = { CTL_HW, HW_PHYSMEM }; | |
206 | uint64_t mem; | |
207 | size_t len = sizeof(mem); | |
208 | ||
209 | sysctl(mib, 2, &mem, &len, NULL, 0); | |
210 | return mem; | |
211 | } | |
212 | ||
de5ed0e4 | 213 | #ifndef CONFIG_HAVE_GETTID |
239b2882 JA |
214 | static inline int gettid(void) |
215 | { | |
216 | return (int) lwp_gettid(); | |
217 | } | |
de5ed0e4 | 218 | #endif |
239b2882 | 219 | |
c08ad04c | 220 | static inline unsigned long long get_fs_free_size(const char *path) |
60f840a8 TK |
221 | { |
222 | unsigned long long ret; | |
223 | struct statvfs s; | |
224 | ||
225 | if (statvfs(path, &s) < 0) | |
226 | return -1ULL; | |
227 | ||
228 | ret = s.f_frsize; | |
229 | ret *= (unsigned long long) s.f_bfree; | |
230 | return ret; | |
231 | } | |
232 | ||
496b1f9e | 233 | static inline int os_trim(struct fio_file *f, unsigned long long start, |
c9a4e0c8 TK |
234 | unsigned long long len) |
235 | { | |
236 | off_t range[2]; | |
237 | ||
238 | range[0] = start; | |
239 | range[1] = len; | |
240 | ||
4fe721ac | 241 | if (!ioctl(f->fd, DAIOCTRIM, range)) |
c9a4e0c8 TK |
242 | return 0; |
243 | ||
244 | return errno; | |
245 | } | |
246 | ||
239b2882 JA |
247 | #ifdef MADV_FREE |
248 | #define FIO_MADV_FREE MADV_FREE | |
249 | #endif | |
250 | ||
0cfe2089 TK |
251 | static inline int shm_attach_to_open_removed(void) |
252 | { | |
253 | int x; | |
254 | size_t len = sizeof(x); | |
255 | ||
256 | if (sysctlbyname("kern.ipc.shm_allow_removed", &x, &len, NULL, 0) < 0) | |
257 | return 0; | |
258 | ||
259 | return x > 0 ? 1 : 0; | |
260 | } | |
261 | ||
239b2882 | 262 | #endif |