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53548d6bff
Wrap the ioctl in `ioctl_int()`, which takes a pointer to the actual int value and an expected int value. The function will not return until either the ioctl returns the expected value or a timeout occurs, thus avoiding immediate failure. Signed-off-by: Xuewei Niu <niuxuewei.nxw@antgroup.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Reviewed-by: Luigi Leonardi <leonardi@redhat.com> Link: https://patch.msgid.link/20250708-siocinq-v6-3-3775f9a9e359@antgroup.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
120 lines
4.2 KiB
C
120 lines
4.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef UTIL_H
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#define UTIL_H
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#include <sys/socket.h>
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#include <linux/bitops.h>
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#include <linux/kernel.h>
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#include <linux/vm_sockets.h>
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/* All known vsock transports, see callers of vsock_core_register() */
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#define KNOWN_TRANSPORTS(x) \
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x(LOOPBACK, "loopback") \
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x(VIRTIO, "virtio") \
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x(VHOST, "vhost") \
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x(VMCI, "vmci") \
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x(HYPERV, "hvs")
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enum transport {
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TRANSPORT_COUNTER_BASE = __COUNTER__ + 1,
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#define x(name, symbol) \
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TRANSPORT_##name = BIT(__COUNTER__ - TRANSPORT_COUNTER_BASE),
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KNOWN_TRANSPORTS(x)
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TRANSPORT_NUM = __COUNTER__ - TRANSPORT_COUNTER_BASE,
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#undef x
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};
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static const char * const transport_ksyms[] = {
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#define x(name, symbol) "d " symbol "_transport",
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KNOWN_TRANSPORTS(x)
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#undef x
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};
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static_assert(ARRAY_SIZE(transport_ksyms) == TRANSPORT_NUM);
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static_assert(BITS_PER_TYPE(int) >= TRANSPORT_NUM);
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#define TRANSPORTS_G2H (TRANSPORT_VIRTIO | TRANSPORT_VMCI | TRANSPORT_HYPERV)
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#define TRANSPORTS_H2G (TRANSPORT_VHOST | TRANSPORT_VMCI)
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#define TRANSPORTS_LOCAL (TRANSPORT_LOOPBACK)
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/* Tests can either run as the client or the server */
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enum test_mode {
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TEST_MODE_UNSET,
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TEST_MODE_CLIENT,
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TEST_MODE_SERVER
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};
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#define DEFAULT_PEER_PORT 1234
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/* Test runner options */
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struct test_opts {
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enum test_mode mode;
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unsigned int peer_cid;
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unsigned int peer_port;
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};
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/* A test case definition. Test functions must print failures to stderr and
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* terminate with exit(EXIT_FAILURE).
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*/
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struct test_case {
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const char *name; /* human-readable name */
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/* Called when test mode is TEST_MODE_CLIENT */
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void (*run_client)(const struct test_opts *opts);
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/* Called when test mode is TEST_MODE_SERVER */
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void (*run_server)(const struct test_opts *opts);
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bool skip;
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};
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void init_signals(void);
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unsigned int parse_cid(const char *str);
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unsigned int parse_port(const char *str);
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int vsock_connect_fd(int fd, unsigned int cid, unsigned int port);
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int vsock_connect(unsigned int cid, unsigned int port, int type);
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int vsock_accept(unsigned int cid, unsigned int port,
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struct sockaddr_vm *clientaddrp, int type);
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int vsock_stream_connect(unsigned int cid, unsigned int port);
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int vsock_bind_try(unsigned int cid, unsigned int port, int type);
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int vsock_bind(unsigned int cid, unsigned int port, int type);
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int vsock_bind_connect(unsigned int cid, unsigned int port,
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unsigned int bind_port, int type);
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int vsock_seqpacket_connect(unsigned int cid, unsigned int port);
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int vsock_stream_accept(unsigned int cid, unsigned int port,
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struct sockaddr_vm *clientaddrp);
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int vsock_stream_listen(unsigned int cid, unsigned int port);
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int vsock_seqpacket_accept(unsigned int cid, unsigned int port,
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struct sockaddr_vm *clientaddrp);
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void vsock_wait_remote_close(int fd);
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bool vsock_ioctl_int(int fd, unsigned long op, int expected);
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bool vsock_wait_sent(int fd);
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void send_buf(int fd, const void *buf, size_t len, int flags,
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ssize_t expected_ret);
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void recv_buf(int fd, void *buf, size_t len, int flags, ssize_t expected_ret);
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void send_byte(int fd, int expected_ret, int flags);
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void recv_byte(int fd, int expected_ret, int flags);
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void run_tests(const struct test_case *test_cases,
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const struct test_opts *opts);
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void list_tests(const struct test_case *test_cases);
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void skip_test(struct test_case *test_cases, size_t test_cases_len,
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const char *test_id_str);
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void pick_test(struct test_case *test_cases, size_t test_cases_len,
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const char *test_id_str);
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unsigned long hash_djb2(const void *data, size_t len);
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size_t iovec_bytes(const struct iovec *iov, size_t iovnum);
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unsigned long iovec_hash_djb2(const struct iovec *iov, size_t iovnum);
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struct iovec *alloc_test_iovec(const struct iovec *test_iovec, int iovnum);
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void free_test_iovec(const struct iovec *test_iovec,
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struct iovec *iovec, int iovnum);
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void setsockopt_ull_check(int fd, int level, int optname,
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unsigned long long val, char const *errmsg);
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void setsockopt_int_check(int fd, int level, int optname, int val,
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char const *errmsg);
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void setsockopt_timeval_check(int fd, int level, int optname,
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struct timeval val, char const *errmsg);
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void enable_so_zerocopy_check(int fd);
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void enable_so_linger(int fd, int timeout);
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int get_transports(void);
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#endif /* UTIL_H */
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