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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 JA |
28 | #define FIO_USE_GENERIC_RAND |
29 | #define FIO_USE_GENERIC_INIT_RANDOM_STATE | |
60f840a8 | 30 | #define FIO_HAVE_FS_STAT |
c9a4e0c8 | 31 | #define FIO_HAVE_TRIM |
1116dc04 | 32 | #define FIO_HAVE_CHARDEV_SIZE |
239b2882 | 33 | #define FIO_HAVE_GETTID |
a306497a | 34 | #define FIO_HAVE_CPU_AFFINITY |
4717fc5d | 35 | #define FIO_HAVE_IOPRIO |
0cfe2089 | 36 | #define FIO_HAVE_SHM_ATTACH_REMOVED |
239b2882 JA |
37 | |
38 | #define OS_MAP_ANON MAP_ANON | |
39 | ||
40 | #ifndef PTHREAD_STACK_MIN | |
41 | #define PTHREAD_STACK_MIN 4096 | |
42 | #endif | |
43 | ||
44 | #define fio_swap16(x) bswap16(x) | |
45 | #define fio_swap32(x) bswap32(x) | |
46 | #define fio_swap64(x) bswap64(x) | |
47 | ||
a306497a TK |
48 | /* This is supposed to equal (sizeof(cpumask_t)*8) */ |
49 | #define FIO_MAX_CPUS SMP_MAXCPU | |
50 | ||
239b2882 | 51 | typedef off_t off64_t; |
a306497a TK |
52 | typedef cpumask_t os_cpu_mask_t; |
53 | ||
54 | /* | |
55 | * These macros are copied from sys/cpu/x86_64/include/types.h. | |
56 | * It's okay to copy from arch dependent header because x86_64 is the only | |
57 | * supported arch, and no other arch is going to be supported any time soon. | |
58 | * | |
59 | * These are supposed to be able to be included from userspace by defining | |
60 | * _KERNEL_STRUCTURES, however this scheme is badly broken that enabling it | |
61 | * causes compile-time conflicts with other headers. Although the current | |
62 | * upstream code no longer requires _KERNEL_STRUCTURES, they should be kept | |
63 | * here for compatibility with older versions. | |
64 | */ | |
65 | #ifndef CPUMASK_SIMPLE | |
66 | #define CPUMASK_SIMPLE(cpu) ((uint64_t)1 << (cpu)) | |
67 | #define CPUMASK_TESTBIT(val, i) ((val).ary[((i) >> 6) & 3] & \ | |
68 | CPUMASK_SIMPLE((i) & 63)) | |
69 | #define CPUMASK_ORBIT(mask, i) ((mask).ary[((i) >> 6) & 3] |= \ | |
70 | CPUMASK_SIMPLE((i) & 63)) | |
71 | #define CPUMASK_NANDBIT(mask, i) ((mask).ary[((i) >> 6) & 3] &= \ | |
72 | ~CPUMASK_SIMPLE((i) & 63)) | |
73 | #define CPUMASK_ASSZERO(mask) do { \ | |
74 | (mask).ary[0] = 0; \ | |
75 | (mask).ary[1] = 0; \ | |
76 | (mask).ary[2] = 0; \ | |
77 | (mask).ary[3] = 0; \ | |
78 | } while(0) | |
79 | #endif | |
80 | ||
81 | /* | |
82 | * Define USCHED_GET_CPUMASK as the macro didn't exist until release 4.5. | |
2c6772e2 | 83 | * usched_set(2) returns EINVAL if the kernel doesn't support it. |
a306497a TK |
84 | * |
85 | * Also note usched_set(2) works only for the current thread regardless of | |
86 | * the command type. It doesn't work against another thread regardless of | |
87 | * a caller's privilege. A caller would generally specify 0 for pid for the | |
88 | * current thread though that's the only choice. See BUGS in usched_set(2). | |
89 | */ | |
90 | #ifndef USCHED_GET_CPUMASK | |
91 | #define USCHED_GET_CPUMASK 5 | |
92 | #endif | |
93 | ||
cbf448e1 TK |
94 | /* No CPU_COUNT(), but use the default function defined in os/os.h */ |
95 | #define fio_cpu_count(mask) CPU_COUNT((mask)) | |
96 | ||
a306497a TK |
97 | static inline int fio_cpuset_init(os_cpu_mask_t *mask) |
98 | { | |
99 | CPUMASK_ASSZERO(*mask); | |
100 | return 0; | |
101 | } | |
102 | ||
103 | static inline int fio_cpuset_exit(os_cpu_mask_t *mask) | |
104 | { | |
105 | return 0; | |
106 | } | |
107 | ||
108 | static inline void fio_cpu_clear(os_cpu_mask_t *mask, int cpu) | |
109 | { | |
110 | CPUMASK_NANDBIT(*mask, cpu); | |
111 | } | |
112 | ||
113 | static inline void fio_cpu_set(os_cpu_mask_t *mask, int cpu) | |
114 | { | |
115 | CPUMASK_ORBIT(*mask, cpu); | |
116 | } | |
117 | ||
52fd65f4 | 118 | static inline bool fio_cpu_isset(os_cpu_mask_t *mask, int cpu) |
a306497a | 119 | { |
52fd65f4 | 120 | return CPUMASK_TESTBIT(*mask, cpu) != 0; |
a306497a TK |
121 | } |
122 | ||
a306497a TK |
123 | static inline int fio_setaffinity(int pid, os_cpu_mask_t mask) |
124 | { | |
125 | int i, firstcall = 1; | |
126 | ||
127 | /* 0 for the current thread, see BUGS in usched_set(2) */ | |
128 | pid = 0; | |
129 | ||
130 | for (i = 0; i < FIO_MAX_CPUS; i++) { | |
131 | if (!CPUMASK_TESTBIT(mask, i)) | |
132 | continue; | |
133 | if (firstcall) { | |
134 | if (usched_set(pid, USCHED_SET_CPU, &i, sizeof(int))) | |
135 | return -1; | |
136 | firstcall = 0; | |
137 | } else { | |
138 | if (usched_set(pid, USCHED_ADD_CPU, &i, sizeof(int))) | |
139 | return -1; | |
140 | } | |
141 | } | |
142 | ||
143 | return 0; | |
144 | } | |
145 | ||
2c6772e2 | 146 | static inline int fio_getaffinity(int pid, os_cpu_mask_t *mask) |
a306497a TK |
147 | { |
148 | /* 0 for the current thread, see BUGS in usched_set(2) */ | |
149 | pid = 0; | |
150 | ||
2c6772e2 TK |
151 | if (usched_set(pid, USCHED_GET_CPUMASK, mask, sizeof(*mask))) |
152 | return -1; | |
153 | ||
154 | return 0; | |
a306497a | 155 | } |
239b2882 | 156 | |
4717fc5d TK |
157 | /* fio code is Linux based, so rename macros to Linux style */ |
158 | #define IOPRIO_WHO_PROCESS PRIO_PROCESS | |
159 | #define IOPRIO_WHO_PGRP PRIO_PGRP | |
160 | #define IOPRIO_WHO_USER PRIO_USER | |
161 | ||
162 | #define IOPRIO_MIN_PRIO 1 /* lowest priority */ | |
163 | #define IOPRIO_MAX_PRIO 10 /* highest priority */ | |
164 | ||
165 | /* | |
166 | * Prototypes declared in sys/sys/resource.h are preventing from defining | |
167 | * ioprio_set() with 4 arguments, so define fio's ioprio_set() as a macro. | |
168 | * Note that there is no idea of class within ioprio_set(2) unlike Linux. | |
169 | */ | |
170 | #define ioprio_set(which, who, ioprio_class, ioprio) \ | |
171 | ioprio_set(which, who, ioprio) | |
172 | ||
1116dc04 TK |
173 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) |
174 | { | |
175 | struct partinfo pi; | |
176 | ||
177 | if (!ioctl(f->fd, DIOCGPART, &pi)) { | |
178 | *bytes = (unsigned long long) pi.media_size; | |
179 | return 0; | |
180 | } | |
181 | ||
182 | *bytes = 0; | |
183 | return errno; | |
184 | } | |
185 | ||
186 | static inline int chardev_size(struct fio_file *f, unsigned long long *bytes) | |
187 | { | |
188 | return blockdev_size(f, bytes); | |
189 | } | |
190 | ||
239b2882 JA |
191 | static inline int blockdev_invalidate_cache(struct fio_file *f) |
192 | { | |
22de5d77 | 193 | return ENOTSUP; |
239b2882 JA |
194 | } |
195 | ||
196 | static inline unsigned long long os_phys_mem(void) | |
197 | { | |
198 | int mib[2] = { CTL_HW, HW_PHYSMEM }; | |
199 | uint64_t mem; | |
200 | size_t len = sizeof(mem); | |
201 | ||
202 | sysctl(mib, 2, &mem, &len, NULL, 0); | |
203 | return mem; | |
204 | } | |
205 | ||
206 | static inline int gettid(void) | |
207 | { | |
208 | return (int) lwp_gettid(); | |
209 | } | |
210 | ||
c08ad04c | 211 | static inline unsigned long long get_fs_free_size(const char *path) |
60f840a8 TK |
212 | { |
213 | unsigned long long ret; | |
214 | struct statvfs s; | |
215 | ||
216 | if (statvfs(path, &s) < 0) | |
217 | return -1ULL; | |
218 | ||
219 | ret = s.f_frsize; | |
220 | ret *= (unsigned long long) s.f_bfree; | |
221 | return ret; | |
222 | } | |
223 | ||
496b1f9e | 224 | static inline int os_trim(struct fio_file *f, unsigned long long start, |
c9a4e0c8 TK |
225 | unsigned long long len) |
226 | { | |
227 | off_t range[2]; | |
228 | ||
229 | range[0] = start; | |
230 | range[1] = len; | |
231 | ||
4fe721ac | 232 | if (!ioctl(f->fd, DAIOCTRIM, range)) |
c9a4e0c8 TK |
233 | return 0; |
234 | ||
235 | return errno; | |
236 | } | |
237 | ||
239b2882 JA |
238 | #ifdef MADV_FREE |
239 | #define FIO_MADV_FREE MADV_FREE | |
240 | #endif | |
241 | ||
0cfe2089 TK |
242 | static inline int shm_attach_to_open_removed(void) |
243 | { | |
244 | int x; | |
245 | size_t len = sizeof(x); | |
246 | ||
247 | if (sysctlbyname("kern.ipc.shm_allow_removed", &x, &len, NULL, 0) < 0) | |
248 | return 0; | |
249 | ||
250 | return x > 0 ? 1 : 0; | |
251 | } | |
252 | ||
239b2882 | 253 | #endif |