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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/config.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef VESPA_HAS_IO_URING
#include <sys/utsname.h>
#include <liburing.h>
#include <liburing/io_uring.h>
#include <string>
#include <vector>
std::vector<std::string> op_names = {
"IORING_OP_NOP",
"IORING_OP_READV",
"IORING_OP_WRITEV",
"IORING_OP_FSYNC",
"IORING_OP_READ_FIXED",
"IORING_OP_WRITE_FIXED",
"IORING_OP_POLL_ADD",
"IORING_OP_POLL_REMOVE",
"IORING_OP_SYNC_FILE_RANGE",
"IORING_OP_SENDMSG",
"IORING_OP_RECVMSG",
"IORING_OP_TIMEOUT",
"IORING_OP_TIMEOUT_REMOVE",
"IORING_OP_ACCEPT",
"IORING_OP_ASYNC_CANCEL",
"IORING_OP_LINK_TIMEOUT",
"IORING_OP_CONNECT",
"IORING_OP_FALLOCATE",
"IORING_OP_OPENAT",
"IORING_OP_CLOSE",
"IORING_OP_FILES_UPDATE",
"IORING_OP_STATX",
"IORING_OP_READ",
"IORING_OP_WRITE",
"IORING_OP_FADVISE",
"IORING_OP_MADVISE",
"IORING_OP_SEND",
"IORING_OP_RECV",
"IORING_OP_OPENAT2",
"IORING_OP_EPOLL_CTL",
"IORING_OP_SPLICE",
"IORING_OP_PROVIDE_BUFFERS",
"IORING_OP_REMOVE_BUFFERS",
"IORING_OP_TEE",
"IORING_OP_SHUTDOWN",
"IORING_OP_RENAMEAT",
"IORING_OP_UNLINKAT",
"IORING_OP_MKDIRAT",
"IORING_OP_SYMLINKAT",
"IORING_OP_LINKAT",
"IORING_OP_MSG_RING",
"IORING_OP_FSETXATTR",
"IORING_OP_SETXATTR",
"IORING_OP_FGETXATTR",
"IORING_OP_GETXATTR",
"IORING_OP_SOCKET",
"IORING_OP_URING_CMD",
"IORING_OP_SEND_ZC",
"IORING_OP_SENDMSG_ZC"
};
int main() {
fprintf(stderr, "Vespa was compiled with io_uring\n");
utsname host_info;
uname(&host_info);
fprintf(stderr, "kernel version: %s\n", host_info.release);
io_uring_probe *probe = io_uring_get_probe();
if (probe == nullptr) {
fprintf(stderr, "io_uring probe failed!\n");
return 1;
}
fprintf(stderr, "operation support: {\n");
for (size_t i = 0; i < op_names.size(); ++i) {
fprintf(stderr, " %s: %s\n", op_names[i].c_str(),
io_uring_opcode_supported(probe, i) ? "yes" : "no");
}
fprintf(stderr, "}\n");
free(probe);
return 0;
}
#else // VESPA_HAS_IO_URING
int main() {
fprintf(stderr, "Vespa was compiled without io_uring\n");
return 1;
}
#endif // VESPA_HAS_IO_URING
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