Commit | Line | Data |
---|---|---|
ed92ac0c | 1 | /* |
da751ca9 JA |
2 | * net engine |
3 | * | |
4 | * IO engine that reads/writes to/from sockets. | |
5 | * | |
ed92ac0c JA |
6 | */ |
7 | #include <stdio.h> | |
8 | #include <stdlib.h> | |
9 | #include <unistd.h> | |
10 | #include <errno.h> | |
11 | #include <assert.h> | |
12 | #include <netinet/in.h> | |
13 | #include <arpa/inet.h> | |
14 | #include <netdb.h> | |
5fdd124a | 15 | #include <sys/poll.h> |
7292056a JA |
16 | #include <sys/types.h> |
17 | #include <sys/socket.h> | |
ed92ac0c JA |
18 | |
19 | #include "../fio.h" | |
ed92ac0c | 20 | |
b5af8293 JA |
21 | struct netio_data { |
22 | int listenfd; | |
23 | int send_to_net; | |
9cce02e8 | 24 | int use_splice; |
414c2a3e | 25 | int net_protocol; |
9cce02e8 | 26 | int pipes[2]; |
b5af8293 JA |
27 | char host[64]; |
28 | struct sockaddr_in addr; | |
29 | }; | |
ed92ac0c | 30 | |
371d456c JA |
31 | /* |
32 | * Return -1 for error and 'nr events' for a positive number | |
33 | * of events | |
34 | */ | |
35 | static int poll_wait(struct thread_data *td, int fd, short events) | |
36 | { | |
37 | struct pollfd pfd; | |
38 | int ret; | |
39 | ||
40 | while (!td->terminate) { | |
41 | pfd.fd = fd; | |
42 | pfd.events = events; | |
43 | ret = poll(&pfd, 1, -1); | |
44 | if (ret < 0) { | |
45 | if (errno == EINTR) | |
46 | continue; | |
47 | ||
48 | td_verror(td, errno, "poll"); | |
49 | return -1; | |
50 | } else if (!ret) | |
51 | continue; | |
52 | ||
53 | break; | |
54 | } | |
55 | ||
56 | if (pfd.revents & events) | |
57 | return 1; | |
58 | else if (td->terminate) | |
59 | return 1; | |
60 | ||
61 | return -1; | |
62 | } | |
63 | ||
ed92ac0c JA |
64 | static int fio_netio_prep(struct thread_data *td, struct io_u *io_u) |
65 | { | |
b5af8293 | 66 | struct netio_data *nd = td->io_ops->data; |
ed92ac0c | 67 | |
7a6499da JA |
68 | /* |
69 | * Make sure we don't see spurious reads to a receiver, and vice versa | |
70 | */ | |
b5af8293 JA |
71 | if ((nd->send_to_net && io_u->ddir == DDIR_READ) || |
72 | (!nd->send_to_net && io_u->ddir == DDIR_WRITE)) { | |
e1161c32 | 73 | td_verror(td, EINVAL, "bad direction"); |
7a6499da | 74 | return 1; |
ed92ac0c | 75 | } |
7a6499da | 76 | |
f85ac25a | 77 | return 0; |
ed92ac0c JA |
78 | } |
79 | ||
5921e80c | 80 | #ifdef FIO_HAVE_SPLICE |
cd963e18 | 81 | static int splice_io_u(int fdin, int fdout, unsigned int len) |
ed92ac0c | 82 | { |
9cce02e8 | 83 | int bytes = 0; |
7a6499da | 84 | |
9cce02e8 | 85 | while (len) { |
cd963e18 | 86 | int ret = splice(fdin, NULL, fdout, NULL, len, 0); |
9cce02e8 JA |
87 | |
88 | if (ret < 0) { | |
89 | if (!bytes) | |
90 | bytes = ret; | |
91 | ||
92 | break; | |
93 | } else if (!ret) | |
94 | break; | |
95 | ||
96 | bytes += ret; | |
f657a2fb | 97 | len -= ret; |
9cce02e8 JA |
98 | } |
99 | ||
100 | return bytes; | |
101 | } | |
102 | ||
103 | /* | |
cd963e18 | 104 | * Receive bytes from a socket and fill them into the internal pipe |
9cce02e8 | 105 | */ |
cd963e18 | 106 | static int splice_in(struct thread_data *td, struct io_u *io_u) |
9cce02e8 JA |
107 | { |
108 | struct netio_data *nd = td->io_ops->data; | |
9cce02e8 | 109 | |
cd963e18 | 110 | return splice_io_u(io_u->file->fd, nd->pipes[1], io_u->xfer_buflen); |
9cce02e8 JA |
111 | } |
112 | ||
113 | /* | |
cd963e18 | 114 | * Transmit 'len' bytes from the internal pipe |
9cce02e8 | 115 | */ |
cd963e18 JA |
116 | static int splice_out(struct thread_data *td, struct io_u *io_u, |
117 | unsigned int len) | |
9cce02e8 JA |
118 | { |
119 | struct netio_data *nd = td->io_ops->data; | |
cd963e18 JA |
120 | |
121 | return splice_io_u(nd->pipes[0], io_u->file->fd, len); | |
122 | } | |
123 | ||
124 | static int vmsplice_io_u(struct io_u *io_u, int fd, unsigned int len) | |
125 | { | |
9cce02e8 JA |
126 | struct iovec iov = { |
127 | .iov_base = io_u->xfer_buf, | |
128 | .iov_len = len, | |
129 | }; | |
130 | int bytes = 0; | |
131 | ||
132 | while (iov.iov_len) { | |
cd963e18 | 133 | int ret = vmsplice(fd, &iov, 1, SPLICE_F_MOVE); |
9cce02e8 JA |
134 | |
135 | if (ret < 0) { | |
136 | if (!bytes) | |
137 | bytes = ret; | |
138 | break; | |
139 | } else if (!ret) | |
140 | break; | |
141 | ||
142 | iov.iov_len -= ret; | |
cd963e18 | 143 | iov.iov_base += ret; |
f657a2fb | 144 | bytes += ret; |
9cce02e8 JA |
145 | } |
146 | ||
147 | return bytes; | |
cd963e18 | 148 | |
9cce02e8 JA |
149 | } |
150 | ||
151 | /* | |
cd963e18 | 152 | * vmsplice() pipe to io_u buffer |
9cce02e8 | 153 | */ |
cd963e18 JA |
154 | static int vmsplice_io_u_out(struct thread_data *td, struct io_u *io_u, |
155 | unsigned int len) | |
9cce02e8 JA |
156 | { |
157 | struct netio_data *nd = td->io_ops->data; | |
9cce02e8 | 158 | |
cd963e18 JA |
159 | return vmsplice_io_u(io_u, nd->pipes[0], len); |
160 | } | |
9cce02e8 | 161 | |
cd963e18 JA |
162 | /* |
163 | * vmsplice() io_u to pipe | |
164 | */ | |
165 | static int vmsplice_io_u_in(struct thread_data *td, struct io_u *io_u) | |
166 | { | |
167 | struct netio_data *nd = td->io_ops->data; | |
ed92ac0c | 168 | |
cd963e18 | 169 | return vmsplice_io_u(io_u, nd->pipes[1], io_u->xfer_buflen); |
9cce02e8 JA |
170 | } |
171 | ||
cd963e18 JA |
172 | /* |
173 | * splice receive - transfer socket data into a pipe using splice, then map | |
174 | * that pipe data into the io_u using vmsplice. | |
175 | */ | |
9cce02e8 JA |
176 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) |
177 | { | |
178 | int ret; | |
179 | ||
180 | ret = splice_in(td, io_u); | |
cd963e18 JA |
181 | if (ret > 0) |
182 | return vmsplice_io_u_out(td, io_u, ret); | |
9cce02e8 | 183 | |
cd963e18 | 184 | return ret; |
9cce02e8 JA |
185 | } |
186 | ||
cd963e18 JA |
187 | /* |
188 | * splice transmit - map data from the io_u into a pipe by using vmsplice, | |
189 | * then transfer that pipe to a socket using splice. | |
190 | */ | |
9cce02e8 JA |
191 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) |
192 | { | |
193 | int ret; | |
194 | ||
195 | ret = vmsplice_io_u_in(td, io_u); | |
cd963e18 JA |
196 | if (ret > 0) |
197 | return splice_out(td, io_u, ret); | |
9cce02e8 | 198 | |
cd963e18 | 199 | return ret; |
9cce02e8 | 200 | } |
5921e80c JA |
201 | #else |
202 | static int fio_netio_splice_in(struct thread_data *td, struct io_u *io_u) | |
203 | { | |
af8771b9 | 204 | errno = EOPNOTSUPP; |
5921e80c JA |
205 | return -1; |
206 | } | |
207 | ||
208 | static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) | |
209 | { | |
af8771b9 | 210 | errno = EOPNOTSUPP; |
5921e80c JA |
211 | return -1; |
212 | } | |
213 | #endif | |
9cce02e8 JA |
214 | |
215 | static int fio_netio_send(struct thread_data *td, struct io_u *io_u) | |
216 | { | |
414c2a3e | 217 | struct netio_data *nd = td->io_ops->data; |
371d456c JA |
218 | int ret, flags = 0; |
219 | ||
220 | ret = poll_wait(td, io_u->file->fd, POLLOUT); | |
221 | if (ret <= 0) | |
222 | return ret; | |
9cce02e8 JA |
223 | |
224 | /* | |
225 | * if we are going to write more, set MSG_MORE | |
226 | */ | |
5921e80c | 227 | #ifdef MSG_MORE |
9cce02e8 JA |
228 | if (td->this_io_bytes[DDIR_WRITE] + io_u->xfer_buflen < td->o.size) |
229 | flags = MSG_MORE; | |
5921e80c | 230 | #endif |
9cce02e8 | 231 | |
414c2a3e JA |
232 | if (nd->net_protocol == IPPROTO_UDP) { |
233 | return sendto(io_u->file->fd, io_u->xfer_buf, io_u->xfer_buflen, | |
371d456c | 234 | flags, &nd->addr, sizeof(nd->addr)); |
414c2a3e JA |
235 | } else { |
236 | return send(io_u->file->fd, io_u->xfer_buf, io_u->xfer_buflen, | |
237 | flags); | |
238 | } | |
9cce02e8 JA |
239 | } |
240 | ||
414c2a3e | 241 | static int fio_netio_recv(struct thread_data *td, struct io_u *io_u) |
9cce02e8 | 242 | { |
414c2a3e | 243 | struct netio_data *nd = td->io_ops->data; |
371d456c JA |
244 | int ret, flags = MSG_WAITALL; |
245 | ||
246 | ret = poll_wait(td, io_u->file->fd, POLLIN); | |
247 | if (ret <= 0) | |
248 | return ret; | |
9cce02e8 | 249 | |
414c2a3e JA |
250 | if (nd->net_protocol == IPPROTO_UDP) { |
251 | socklen_t len = sizeof(nd->addr); | |
252 | ||
253 | return recvfrom(io_u->file->fd, io_u->xfer_buf, | |
254 | io_u->xfer_buflen, 0, &nd->addr, &len); | |
255 | } else { | |
256 | return recv(io_u->file->fd, io_u->xfer_buf, io_u->xfer_buflen, | |
257 | flags); | |
258 | } | |
9cce02e8 JA |
259 | } |
260 | ||
261 | static int fio_netio_queue(struct thread_data *td, struct io_u *io_u) | |
262 | { | |
263 | struct netio_data *nd = td->io_ops->data; | |
264 | int ret; | |
265 | ||
7101d9c2 JA |
266 | fio_ro_check(td, io_u); |
267 | ||
9cce02e8 | 268 | if (io_u->ddir == DDIR_WRITE) { |
414c2a3e | 269 | if (!nd->use_splice || nd->net_protocol == IPPROTO_UDP) |
9cce02e8 | 270 | ret = fio_netio_send(td, io_u); |
414c2a3e JA |
271 | else |
272 | ret = fio_netio_splice_out(td, io_u); | |
d4f12dd0 | 273 | } else if (io_u->ddir == DDIR_READ) { |
414c2a3e JA |
274 | if (!nd->use_splice || nd->net_protocol == IPPROTO_UDP) |
275 | ret = fio_netio_recv(td, io_u); | |
9cce02e8 | 276 | else |
414c2a3e | 277 | ret = fio_netio_splice_in(td, io_u); |
d4f12dd0 | 278 | } else |
7a6499da | 279 | ret = 0; /* must be a SYNC */ |
ed92ac0c | 280 | |
cec6b55d | 281 | if (ret != (int) io_u->xfer_buflen) { |
22819ec2 | 282 | if (ret >= 0) { |
cec6b55d JA |
283 | io_u->resid = io_u->xfer_buflen - ret; |
284 | io_u->error = 0; | |
36167d82 | 285 | return FIO_Q_COMPLETED; |
414c2a3e JA |
286 | } else { |
287 | int err = errno; | |
288 | ||
289 | if (io_u->ddir == DDIR_WRITE && err == EMSGSIZE) | |
290 | return FIO_Q_BUSY; | |
291 | ||
292 | io_u->error = err; | |
293 | } | |
ed92ac0c JA |
294 | } |
295 | ||
36167d82 | 296 | if (io_u->error) |
e1161c32 | 297 | td_verror(td, io_u->error, "xfer"); |
ed92ac0c | 298 | |
36167d82 | 299 | return FIO_Q_COMPLETED; |
ed92ac0c JA |
300 | } |
301 | ||
b5af8293 | 302 | static int fio_netio_connect(struct thread_data *td, struct fio_file *f) |
ed92ac0c | 303 | { |
b5af8293 | 304 | struct netio_data *nd = td->io_ops->data; |
414c2a3e JA |
305 | int type; |
306 | ||
307 | if (nd->net_protocol == IPPROTO_TCP) | |
308 | type = SOCK_STREAM; | |
309 | else | |
310 | type = SOCK_DGRAM; | |
ed92ac0c | 311 | |
414c2a3e | 312 | f->fd = socket(AF_INET, type, nd->net_protocol); |
b5af8293 JA |
313 | if (f->fd < 0) { |
314 | td_verror(td, errno, "socket"); | |
315 | return 1; | |
ed92ac0c JA |
316 | } |
317 | ||
414c2a3e JA |
318 | if (nd->net_protocol == IPPROTO_UDP) |
319 | return 0; | |
320 | ||
b5af8293 JA |
321 | if (connect(f->fd, (struct sockaddr *) &nd->addr, sizeof(nd->addr)) < 0) { |
322 | td_verror(td, errno, "connect"); | |
323 | return 1; | |
ed92ac0c JA |
324 | } |
325 | ||
326 | return 0; | |
ed92ac0c JA |
327 | } |
328 | ||
b5af8293 | 329 | static int fio_netio_accept(struct thread_data *td, struct fio_file *f) |
5fdd124a | 330 | { |
b5af8293 JA |
331 | struct netio_data *nd = td->io_ops->data; |
332 | socklen_t socklen = sizeof(nd->addr); | |
5fdd124a | 333 | |
414c2a3e JA |
334 | if (nd->net_protocol == IPPROTO_UDP) { |
335 | f->fd = nd->listenfd; | |
336 | return 0; | |
337 | } | |
338 | ||
6d86144d | 339 | log_info("fio: waiting for connection\n"); |
5fdd124a | 340 | |
371d456c JA |
341 | if (poll_wait(td, nd->listenfd, POLLIN) < 0) |
342 | return 1; | |
0c09442b | 343 | |
371d456c JA |
344 | f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr, &socklen); |
345 | if (f->fd < 0) { | |
346 | td_verror(td, errno, "accept"); | |
347 | return 1; | |
b5af8293 | 348 | } |
5fdd124a | 349 | |
b5af8293 JA |
350 | return 0; |
351 | } | |
352 | ||
b5af8293 JA |
353 | static int fio_netio_open_file(struct thread_data *td, struct fio_file *f) |
354 | { | |
355 | if (td_read(td)) | |
356 | return fio_netio_accept(td, f); | |
357 | else | |
358 | return fio_netio_connect(td, f); | |
359 | } | |
360 | ||
361 | static int fio_netio_setup_connect(struct thread_data *td, const char *host, | |
362 | unsigned short port) | |
363 | { | |
364 | struct netio_data *nd = td->io_ops->data; | |
365 | ||
366 | nd->addr.sin_family = AF_INET; | |
367 | nd->addr.sin_port = htons(port); | |
368 | ||
369 | if (inet_aton(host, &nd->addr.sin_addr) != 1) { | |
370 | struct hostent *hent; | |
371 | ||
372 | hent = gethostbyname(host); | |
373 | if (!hent) { | |
374 | td_verror(td, errno, "gethostbyname"); | |
375 | return 1; | |
5fdd124a | 376 | } |
b5af8293 JA |
377 | |
378 | memcpy(&nd->addr.sin_addr, hent->h_addr, 4); | |
5fdd124a JA |
379 | } |
380 | ||
381 | return 0; | |
382 | } | |
383 | ||
b5af8293 | 384 | static int fio_netio_setup_listen(struct thread_data *td, short port) |
ed92ac0c | 385 | { |
b5af8293 | 386 | struct netio_data *nd = td->io_ops->data; |
414c2a3e | 387 | int fd, opt, type; |
ed92ac0c | 388 | |
414c2a3e JA |
389 | if (nd->net_protocol == IPPROTO_TCP) |
390 | type = SOCK_STREAM; | |
391 | else | |
392 | type = SOCK_DGRAM; | |
393 | ||
394 | fd = socket(AF_INET, type, nd->net_protocol); | |
ed92ac0c | 395 | if (fd < 0) { |
e1161c32 | 396 | td_verror(td, errno, "socket"); |
ed92ac0c JA |
397 | return 1; |
398 | } | |
399 | ||
400 | opt = 1; | |
401 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) { | |
e1161c32 | 402 | td_verror(td, errno, "setsockopt"); |
ed92ac0c JA |
403 | return 1; |
404 | } | |
6bedbfaf JA |
405 | #ifdef SO_REUSEPORT |
406 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { | |
e1161c32 | 407 | td_verror(td, errno, "setsockopt"); |
6bedbfaf JA |
408 | return 1; |
409 | } | |
410 | #endif | |
ed92ac0c | 411 | |
b5af8293 JA |
412 | nd->addr.sin_family = AF_INET; |
413 | nd->addr.sin_addr.s_addr = htonl(INADDR_ANY); | |
414 | nd->addr.sin_port = htons(port); | |
ed92ac0c | 415 | |
b5af8293 | 416 | if (bind(fd, (struct sockaddr *) &nd->addr, sizeof(nd->addr)) < 0) { |
e1161c32 | 417 | td_verror(td, errno, "bind"); |
ed92ac0c JA |
418 | return 1; |
419 | } | |
414c2a3e | 420 | if (nd->net_protocol == IPPROTO_TCP && listen(fd, 1) < 0) { |
e1161c32 | 421 | td_verror(td, errno, "listen"); |
ed92ac0c JA |
422 | return 1; |
423 | } | |
424 | ||
b5af8293 JA |
425 | nd->listenfd = fd; |
426 | return 0; | |
ed92ac0c JA |
427 | } |
428 | ||
9bec88e1 | 429 | static int fio_netio_init(struct thread_data *td) |
ed92ac0c | 430 | { |
b5af8293 | 431 | struct netio_data *nd = td->io_ops->data; |
443662ef | 432 | unsigned int port; |
b5af8293 | 433 | char host[64], buf[128]; |
414c2a3e | 434 | char *sep, *portp, *modep; |
af52b345 | 435 | int ret; |
ed92ac0c | 436 | |
413dd459 | 437 | if (td_rw(td)) { |
ed92ac0c JA |
438 | log_err("fio: network connections must be read OR write\n"); |
439 | return 1; | |
440 | } | |
16d55aae JA |
441 | if (td_random(td)) { |
442 | log_err("fio: network IO can't be random\n"); | |
443 | return 1; | |
444 | } | |
ed92ac0c | 445 | |
2dc1bbeb | 446 | strcpy(buf, td->o.filename); |
ed92ac0c | 447 | |
9f9214f2 | 448 | sep = strchr(buf, '/'); |
443662ef JA |
449 | if (!sep) |
450 | goto bad_host; | |
ed92ac0c JA |
451 | |
452 | *sep = '\0'; | |
453 | sep++; | |
454 | strcpy(host, buf); | |
443662ef JA |
455 | if (!strlen(host)) |
456 | goto bad_host; | |
457 | ||
414c2a3e JA |
458 | modep = NULL; |
459 | portp = sep; | |
460 | sep = strchr(portp, '/'); | |
461 | if (sep) { | |
462 | *sep = '\0'; | |
463 | modep = sep + 1; | |
464 | } | |
465 | ||
466 | port = strtol(portp, NULL, 10); | |
443662ef JA |
467 | if (!port || port > 65535) |
468 | goto bad_host; | |
ed92ac0c | 469 | |
414c2a3e | 470 | if (modep) { |
3f8fc5ad JA |
471 | if (!strncmp("tcp", modep, strlen(modep)) || |
472 | !strncmp("TCP", modep, strlen(modep))) | |
414c2a3e | 473 | nd->net_protocol = IPPROTO_TCP; |
3f8fc5ad JA |
474 | else if (!strncmp("udp", modep, strlen(modep)) || |
475 | !strncmp("UDP", modep, strlen(modep))) | |
414c2a3e JA |
476 | nd->net_protocol = IPPROTO_UDP; |
477 | else | |
478 | goto bad_host; | |
479 | } else | |
480 | nd->net_protocol = IPPROTO_TCP; | |
481 | ||
413dd459 | 482 | if (td_read(td)) { |
b5af8293 | 483 | nd->send_to_net = 0; |
ed92ac0c JA |
484 | ret = fio_netio_setup_listen(td, port); |
485 | } else { | |
b5af8293 | 486 | nd->send_to_net = 1; |
ed92ac0c JA |
487 | ret = fio_netio_setup_connect(td, host, port); |
488 | } | |
489 | ||
7bb48f84 | 490 | return ret; |
443662ef | 491 | bad_host: |
414c2a3e | 492 | log_err("fio: bad network host/port/protocol: %s\n", td->o.filename); |
443662ef | 493 | return 1; |
ed92ac0c JA |
494 | } |
495 | ||
b5af8293 | 496 | static void fio_netio_cleanup(struct thread_data *td) |
9bec88e1 | 497 | { |
b5af8293 JA |
498 | struct netio_data *nd = td->io_ops->data; |
499 | ||
500 | if (nd) { | |
64b24cd8 JA |
501 | if (nd->listenfd != -1) |
502 | close(nd->listenfd); | |
503 | if (nd->pipes[0] != -1) | |
504 | close(nd->pipes[0]); | |
505 | if (nd->pipes[1] != -1) | |
506 | close(nd->pipes[1]); | |
507 | ||
b5af8293 | 508 | free(nd); |
b5af8293 JA |
509 | } |
510 | } | |
511 | ||
512 | static int fio_netio_setup(struct thread_data *td) | |
513 | { | |
7bb48f84 | 514 | struct netio_data *nd; |
7bb48f84 JA |
515 | |
516 | if (!td->io_ops->data) { | |
517 | nd = malloc(sizeof(*nd));; | |
518 | ||
519 | memset(nd, 0, sizeof(*nd)); | |
520 | nd->listenfd = -1; | |
64b24cd8 | 521 | nd->pipes[0] = nd->pipes[1] = -1; |
7bb48f84 | 522 | td->io_ops->data = nd; |
7bb48f84 | 523 | } |
b5af8293 | 524 | |
9bec88e1 JA |
525 | return 0; |
526 | } | |
527 | ||
5921e80c | 528 | #ifdef FIO_HAVE_SPLICE |
9cce02e8 JA |
529 | static int fio_netio_setup_splice(struct thread_data *td) |
530 | { | |
531 | struct netio_data *nd; | |
532 | ||
533 | fio_netio_setup(td); | |
534 | ||
535 | nd = td->io_ops->data; | |
536 | if (nd) { | |
537 | if (pipe(nd->pipes) < 0) | |
538 | return 1; | |
539 | ||
540 | nd->use_splice = 1; | |
541 | return 0; | |
542 | } | |
543 | ||
544 | return 1; | |
545 | } | |
546 | ||
5921e80c JA |
547 | static struct ioengine_ops ioengine_splice = { |
548 | .name = "netsplice", | |
ed92ac0c | 549 | .version = FIO_IOOPS_VERSION, |
ed92ac0c JA |
550 | .prep = fio_netio_prep, |
551 | .queue = fio_netio_queue, | |
5921e80c | 552 | .setup = fio_netio_setup_splice, |
9bec88e1 | 553 | .init = fio_netio_init, |
b5af8293 JA |
554 | .cleanup = fio_netio_cleanup, |
555 | .open_file = fio_netio_open_file, | |
556 | .close_file = generic_close_file, | |
ad830ed7 JA |
557 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | |
558 | FIO_SIGQUIT, | |
ed92ac0c | 559 | }; |
5921e80c | 560 | #endif |
ed92ac0c | 561 | |
5921e80c JA |
562 | static struct ioengine_ops ioengine_rw = { |
563 | .name = "net", | |
9cce02e8 JA |
564 | .version = FIO_IOOPS_VERSION, |
565 | .prep = fio_netio_prep, | |
566 | .queue = fio_netio_queue, | |
5921e80c | 567 | .setup = fio_netio_setup, |
9cce02e8 JA |
568 | .init = fio_netio_init, |
569 | .cleanup = fio_netio_cleanup, | |
570 | .open_file = fio_netio_open_file, | |
571 | .close_file = generic_close_file, | |
ad830ed7 JA |
572 | .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | |
573 | FIO_SIGQUIT, | |
9cce02e8 JA |
574 | }; |
575 | ||
ed92ac0c JA |
576 | static void fio_init fio_netio_register(void) |
577 | { | |
9cce02e8 | 578 | register_ioengine(&ioengine_rw); |
5921e80c | 579 | #ifdef FIO_HAVE_SPLICE |
9cce02e8 | 580 | register_ioengine(&ioengine_splice); |
5921e80c | 581 | #endif |
ed92ac0c JA |
582 | } |
583 | ||
584 | static void fio_exit fio_netio_unregister(void) | |
585 | { | |
9cce02e8 | 586 | unregister_ioengine(&ioengine_rw); |
5921e80c | 587 | #ifdef FIO_HAVE_SPLICE |
9cce02e8 | 588 | unregister_ioengine(&ioengine_splice); |
5921e80c | 589 | #endif |
ed92ac0c | 590 | } |