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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 | ||
239b2882 | 50 | typedef off_t off64_t; |
a306497a TK |
51 | typedef cpumask_t os_cpu_mask_t; |
52 | ||
53 | /* | |
54 | * These macros are copied from sys/cpu/x86_64/include/types.h. | |
55 | * It's okay to copy from arch dependent header because x86_64 is the only | |
56 | * supported arch, and no other arch is going to be supported any time soon. | |
57 | * | |
58 | * These are supposed to be able to be included from userspace by defining | |
59 | * _KERNEL_STRUCTURES, however this scheme is badly broken that enabling it | |
60 | * causes compile-time conflicts with other headers. Although the current | |
61 | * upstream code no longer requires _KERNEL_STRUCTURES, they should be kept | |
62 | * here for compatibility with older versions. | |
63 | */ | |
64 | #ifndef CPUMASK_SIMPLE | |
65 | #define CPUMASK_SIMPLE(cpu) ((uint64_t)1 << (cpu)) | |
66 | #define CPUMASK_TESTBIT(val, i) ((val).ary[((i) >> 6) & 3] & \ | |
67 | CPUMASK_SIMPLE((i) & 63)) | |
68 | #define CPUMASK_ORBIT(mask, i) ((mask).ary[((i) >> 6) & 3] |= \ | |
69 | CPUMASK_SIMPLE((i) & 63)) | |
70 | #define CPUMASK_NANDBIT(mask, i) ((mask).ary[((i) >> 6) & 3] &= \ | |
71 | ~CPUMASK_SIMPLE((i) & 63)) | |
72 | #define CPUMASK_ASSZERO(mask) do { \ | |
73 | (mask).ary[0] = 0; \ | |
74 | (mask).ary[1] = 0; \ | |
75 | (mask).ary[2] = 0; \ | |
76 | (mask).ary[3] = 0; \ | |
77 | } while(0) | |
78 | #endif | |
79 | ||
80 | /* | |
81 | * Define USCHED_GET_CPUMASK as the macro didn't exist until release 4.5. | |
2c6772e2 | 82 | * usched_set(2) returns EINVAL if the kernel doesn't support it. |
a306497a TK |
83 | * |
84 | * Also note usched_set(2) works only for the current thread regardless of | |
85 | * the command type. It doesn't work against another thread regardless of | |
86 | * a caller's privilege. A caller would generally specify 0 for pid for the | |
87 | * current thread though that's the only choice. See BUGS in usched_set(2). | |
88 | */ | |
89 | #ifndef USCHED_GET_CPUMASK | |
90 | #define USCHED_GET_CPUMASK 5 | |
91 | #endif | |
92 | ||
cbf448e1 TK |
93 | /* No CPU_COUNT(), but use the default function defined in os/os.h */ |
94 | #define fio_cpu_count(mask) CPU_COUNT((mask)) | |
95 | ||
a306497a TK |
96 | static inline int fio_cpuset_init(os_cpu_mask_t *mask) |
97 | { | |
98 | CPUMASK_ASSZERO(*mask); | |
99 | return 0; | |
100 | } | |
101 | ||
102 | static inline int fio_cpuset_exit(os_cpu_mask_t *mask) | |
103 | { | |
104 | return 0; | |
105 | } | |
106 | ||
107 | static inline void fio_cpu_clear(os_cpu_mask_t *mask, int cpu) | |
108 | { | |
109 | CPUMASK_NANDBIT(*mask, cpu); | |
110 | } | |
111 | ||
112 | static inline void fio_cpu_set(os_cpu_mask_t *mask, int cpu) | |
113 | { | |
114 | CPUMASK_ORBIT(*mask, cpu); | |
115 | } | |
116 | ||
52fd65f4 | 117 | static inline bool fio_cpu_isset(os_cpu_mask_t *mask, int cpu) |
a306497a | 118 | { |
52fd65f4 | 119 | return CPUMASK_TESTBIT(*mask, cpu) != 0; |
a306497a TK |
120 | } |
121 | ||
a306497a TK |
122 | static inline int fio_setaffinity(int pid, os_cpu_mask_t mask) |
123 | { | |
124 | int i, firstcall = 1; | |
125 | ||
126 | /* 0 for the current thread, see BUGS in usched_set(2) */ | |
127 | pid = 0; | |
128 | ||
129 | for (i = 0; i < FIO_MAX_CPUS; i++) { | |
130 | if (!CPUMASK_TESTBIT(mask, i)) | |
131 | continue; | |
132 | if (firstcall) { | |
133 | if (usched_set(pid, USCHED_SET_CPU, &i, sizeof(int))) | |
134 | return -1; | |
135 | firstcall = 0; | |
136 | } else { | |
137 | if (usched_set(pid, USCHED_ADD_CPU, &i, sizeof(int))) | |
138 | return -1; | |
139 | } | |
140 | } | |
141 | ||
142 | return 0; | |
143 | } | |
144 | ||
2c6772e2 | 145 | static inline int fio_getaffinity(int pid, os_cpu_mask_t *mask) |
a306497a TK |
146 | { |
147 | /* 0 for the current thread, see BUGS in usched_set(2) */ | |
148 | pid = 0; | |
149 | ||
2c6772e2 TK |
150 | if (usched_set(pid, USCHED_GET_CPUMASK, mask, sizeof(*mask))) |
151 | return -1; | |
152 | ||
153 | return 0; | |
a306497a | 154 | } |
239b2882 | 155 | |
4717fc5d TK |
156 | /* fio code is Linux based, so rename macros to Linux style */ |
157 | #define IOPRIO_WHO_PROCESS PRIO_PROCESS | |
158 | #define IOPRIO_WHO_PGRP PRIO_PGRP | |
159 | #define IOPRIO_WHO_USER PRIO_USER | |
160 | ||
161 | #define IOPRIO_MIN_PRIO 1 /* lowest priority */ | |
162 | #define IOPRIO_MAX_PRIO 10 /* highest priority */ | |
163 | ||
164 | /* | |
165 | * Prototypes declared in sys/sys/resource.h are preventing from defining | |
166 | * ioprio_set() with 4 arguments, so define fio's ioprio_set() as a macro. | |
167 | * Note that there is no idea of class within ioprio_set(2) unlike Linux. | |
168 | */ | |
169 | #define ioprio_set(which, who, ioprio_class, ioprio) \ | |
170 | ioprio_set(which, who, ioprio) | |
171 | ||
1116dc04 TK |
172 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) |
173 | { | |
174 | struct partinfo pi; | |
175 | ||
176 | if (!ioctl(f->fd, DIOCGPART, &pi)) { | |
177 | *bytes = (unsigned long long) pi.media_size; | |
178 | return 0; | |
179 | } | |
180 | ||
181 | *bytes = 0; | |
182 | return errno; | |
183 | } | |
184 | ||
185 | static inline int chardev_size(struct fio_file *f, unsigned long long *bytes) | |
186 | { | |
187 | return blockdev_size(f, bytes); | |
188 | } | |
189 | ||
239b2882 JA |
190 | static inline int blockdev_invalidate_cache(struct fio_file *f) |
191 | { | |
22de5d77 | 192 | return ENOTSUP; |
239b2882 JA |
193 | } |
194 | ||
195 | static inline unsigned long long os_phys_mem(void) | |
196 | { | |
197 | int mib[2] = { CTL_HW, HW_PHYSMEM }; | |
198 | uint64_t mem; | |
199 | size_t len = sizeof(mem); | |
200 | ||
201 | sysctl(mib, 2, &mem, &len, NULL, 0); | |
202 | return mem; | |
203 | } | |
204 | ||
de5ed0e4 | 205 | #ifndef CONFIG_HAVE_GETTID |
239b2882 JA |
206 | static inline int gettid(void) |
207 | { | |
208 | return (int) lwp_gettid(); | |
209 | } | |
de5ed0e4 | 210 | #endif |
239b2882 | 211 | |
c08ad04c | 212 | static inline unsigned long long get_fs_free_size(const char *path) |
60f840a8 TK |
213 | { |
214 | unsigned long long ret; | |
215 | struct statvfs s; | |
216 | ||
217 | if (statvfs(path, &s) < 0) | |
218 | return -1ULL; | |
219 | ||
220 | ret = s.f_frsize; | |
221 | ret *= (unsigned long long) s.f_bfree; | |
222 | return ret; | |
223 | } | |
224 | ||
496b1f9e | 225 | static inline int os_trim(struct fio_file *f, unsigned long long start, |
c9a4e0c8 TK |
226 | unsigned long long len) |
227 | { | |
228 | off_t range[2]; | |
229 | ||
230 | range[0] = start; | |
231 | range[1] = len; | |
232 | ||
4fe721ac | 233 | if (!ioctl(f->fd, DAIOCTRIM, range)) |
c9a4e0c8 TK |
234 | return 0; |
235 | ||
236 | return errno; | |
237 | } | |
238 | ||
239b2882 JA |
239 | #ifdef MADV_FREE |
240 | #define FIO_MADV_FREE MADV_FREE | |
241 | #endif | |
242 | ||
0cfe2089 TK |
243 | static inline int shm_attach_to_open_removed(void) |
244 | { | |
245 | int x; | |
246 | size_t len = sizeof(x); | |
247 | ||
248 | if (sysctlbyname("kern.ipc.shm_allow_removed", &x, &len, NULL, 0) < 0) | |
249 | return 0; | |
250 | ||
251 | return x > 0 ? 1 : 0; | |
252 | } | |
253 | ||
239b2882 | 254 | #endif |