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iocall.cfa @ 320ec6fc

ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum

Last change on this file since 320ec6fc was 5751a56, checked in by Thierry Delisle <tdelisle@…>, 4 years ago
Changed handling of io_uring support to handle op codes in configure. Kernel probing for op codes, not supported yet.
Property mode set to `100644`
File size: 15.8 KB

Rev	Line
[31bb2e1]	1	//
	2	// Cforall Version 1.0.0 Copyright (C) 2020 University of Waterloo
	3	//
	4	// The contents of this file are covered under the licence agreement in the
	5	// file "LICENCE" distributed with Cforall.
	6	//
	7	// iocall.cfa --
	8	//
	9	// Author : Thierry Delisle
	10	// Created On : Wed Jul 1 14:51:00 2020
	11	// Last Modified By :
	12	// Last Modified On :
	13	// Update Count :
	14	//
	15
[5877b3e]	16	#include "bits/defs.hfa"
	17
[4b84e35]	18	//=============================================================================================
	19	// I/O uring backend
	20	//=============================================================================================
	21
[5751a56]	22	#if defined(CFA_HAVE_LINUX_IO_URING_H)
[31bb2e1]	23	#include <stdint.h>
	24	#include <linux/io_uring.h>
	25
	26	#include "kernel_private.hfa"
	27
	28	extern [* struct io_uring_sqe, uint32_t] __submit_alloc( struct __io_data & ring, uint64_t data );
	29	extern void __submit( struct __io_data & ring, uint32_t idx );
	30
[4b84e35]	31	static inline void ?{}(struct io_uring_sqe & this, uint8_t opcode, int fd) {
	32	this.opcode = opcode;
	33	#if !defined(IOSQE_ASYNC)
	34	this.flags = 0;
	35	#else
	36	this.flags = IOSQE_ASYNC;
	37	#endif
	38	this.ioprio = 0;
	39	this.fd = fd;
	40	this.off = 0;
	41	this.addr = 0;
	42	this.len = 0;
	43	this.rw_flags = 0;
	44	this.__pad2[0] = this.__pad2[1] = this.__pad2[2] = 0;
	45	}
	46
	47	static inline void ?{}(struct io_uring_sqe & this, uint8_t opcode, int fd, void * addr, uint32_t len, uint64_t off ) {
	48	(this){ opcode, fd };
	49	this.off = off;
	50	this.addr = (uint64_t)(uintptr_t)addr;
	51	this.len = len;
	52	}
[31bb2e1]	53
	54	#define __submit_prelude \
	55	__io_user_data_t data = { 0, active_thread() }; \
	56	struct __io_data & ring = *data.thrd->curr_cluster->io; \
	57	struct io_uring_sqe * sqe; \
	58	uint32_t idx; \
	59	[sqe, idx] = __submit_alloc( ring, (uint64_t)(uintptr_t)&data );
	60
	61	#define __submit_wait \
	62	/__cfaabi_bits_print_safe( STDERR_FILENO, "Preparing user data %p for %p\n", &data, data.thrd );/ \
	63	verify( sqe->user_data == (uint64_t)(uintptr_t)&data ); \
	64	__submit( ring, idx ); \
	65	park( __cfaabi_dbg_ctx ); \
	66	return data.result;
[4b84e35]	67	#endif
[31bb2e1]	68
[4b84e35]	69	//=============================================================================================
	70	// I/O Forwards
	71	//=============================================================================================
[31bb2e1]	72
[4b84e35]	73	// Some forward declarations
[cf48a14]	74	#include <errno.h>
[4b84e35]	75	#include <unistd.h>
	76
	77	extern "C" {
	78	#include <sys/types.h>
	79	#include <sys/socket.h>
	80	#include <sys/syscall.h>
	81
	82	#if defined(HAVE_PREADV2)
	83	struct iovec;
	84	extern ssize_t preadv2 (int fd, const struct iovec *iov, int iovcnt, off_t offset, int flags);
	85	#endif
	86	#if defined(HAVE_PWRITEV2)
	87	struct iovec;
	88	extern ssize_t pwritev2(int fd, const struct iovec *iov, int iovcnt, off_t offset, int flags);
	89	#endif
	90
	91	extern int fsync(int fd);
	92	extern int sync_file_range(int fd, int64_t offset, int64_t nbytes, unsigned int flags);
	93
	94	struct msghdr;
	95	struct sockaddr;
	96	extern ssize_t sendmsg(int sockfd, const struct msghdr *msg, int flags);
	97	extern ssize_t recvmsg(int sockfd, struct msghdr *msg, int flags);
	98	extern ssize_t send(int sockfd, const void *buf, size_t len, int flags);
	99	extern ssize_t recv(int sockfd, void *buf, size_t len, int flags);
	100	extern int accept4(int sockfd, struct sockaddr addr, socklen_t addrlen, int flags);
	101	extern int connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
	102
	103	extern int fallocate(int fd, int mode, uint64_t offset, uint64_t len);
	104	extern int posix_fadvise(int fd, uint64_t offset, uint64_t len, int advice);
	105	extern int madvise(void *addr, size_t length, int advice);
	106
	107	extern int openat(int dirfd, const char *pathname, int flags, mode_t mode);
	108	extern int close(int fd);
	109
	110	extern ssize_t read (int fd, void *buf, size_t count);
[0a92c78]	111
	112	extern ssize_t splice(int fd_in, loff_t off_in, int fd_out, loff_t off_out, size_t len, unsigned int flags);
	113	extern ssize_t tee(int fd_in, int fd_out, size_t len, unsigned int flags);
[4b84e35]	114	}
[31bb2e1]	115
[4b84e35]	116	//=============================================================================================
	117	// I/O Interface
	118	//=============================================================================================
[31bb2e1]	119
[4b84e35]	120	//-----------------------------------------------------------------------------
	121	// Asynchronous operations
	122	#if defined(HAVE_PREADV2)
	123	ssize_t cfa_preadv2(int fd, const struct iovec *iov, int iovcnt, off_t offset, int flags) {
[5751a56]	124	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_READV)
[4b84e35]	125	return preadv2(fd, iov, iovcnt, offset, flags);
[31bb2e1]	126	#else
	127	__submit_prelude
	128
[4b84e35]	129	(*sqe){ IORING_OP_READV, fd, iov, iovcnt, offset };
[31bb2e1]	130
	131	__submit_wait
	132	#endif
	133	}
[20ab637]	134
	135	ssize_t cfa_preadv2_fixed(int fd, const struct iovec *iov, int iovcnt, off_t offset, int flags) {
[5751a56]	136	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_READV)
[20ab637]	137	return preadv2(fd, iov, iovcnt, offset, flags);
	138	#else
	139	__submit_prelude
	140
	141	(*sqe){ IORING_OP_READV, fd, iov, iovcnt, offset };
	142	sqe->flags \|= IOSQE_FIXED_FILE;
	143
	144	__submit_wait
	145	#endif
	146	}
[4b84e35]	147	#endif
[31bb2e1]	148
[4b84e35]	149	#if defined(HAVE_PWRITEV2)
	150	ssize_t cfa_pwritev2(int fd, const struct iovec *iov, int iovcnt, off_t offset, int flags) {
[5751a56]	151	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_WRITEV)
[4b84e35]	152	return pwritev2(fd, iov, iovcnt, offset, flags);
[31bb2e1]	153	#else
	154	__submit_prelude
	155
[4b84e35]	156	(*sqe){ IORING_OP_WRITEV, fd, iov, iovcnt, offset };
[31bb2e1]	157
	158	__submit_wait
	159	#endif
	160	}
[4b84e35]	161	#endif
[31bb2e1]	162
[4b84e35]	163	int cfa_fsync(int fd) {
[5751a56]	164	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_FSYNC)
[4b84e35]	165	return fsync(fd);
	166	#else
	167	__submit_prelude
[31bb2e1]	168
[4b84e35]	169	(*sqe){ IORING_OP_FSYNC, fd };
[31bb2e1]	170
[4b84e35]	171	__submit_wait
	172	#endif
	173	}
[31bb2e1]	174
[4b84e35]	175	int cfa_sync_file_range(int fd, int64_t offset, int64_t nbytes, unsigned int flags) {
[5751a56]	176	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_SYNC_FILE_RANGE)
[4b84e35]	177	return sync_file_range(fd, offset, nbytes, flags);
	178	#else
	179	__submit_prelude
[31bb2e1]	180
[4b84e35]	181	(*sqe){ IORING_OP_SYNC_FILE_RANGE, fd };
	182	sqe->off = offset;
	183	sqe->len = nbytes;
	184	sqe->sync_range_flags = flags;
[31bb2e1]	185
[4b84e35]	186	__submit_wait
	187	#endif
	188	}
[31bb2e1]	189
	190
[4b84e35]	191	ssize_t cfa_sendmsg(int sockfd, const struct msghdr *msg, int flags) {
[5751a56]	192	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_SENDMSG)
[4b84e35]	193	return sendmsg(sockfd, msg, flags);
	194	#else
	195	__submit_prelude
[31bb2e1]	196
[4b84e35]	197	(*sqe){ IORING_OP_SENDMSG, sockfd, msg, 1, 0 };
	198	sqe->msg_flags = flags;
[31bb2e1]	199
[4b84e35]	200	__submit_wait
	201	#endif
	202	}
[31bb2e1]	203
[4b84e35]	204	ssize_t cfa_recvmsg(int sockfd, struct msghdr *msg, int flags) {
[5751a56]	205	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_RECVMSG)
[4b84e35]	206	return recvmsg(sockfd, msg, flags);
	207	#else
	208	__submit_prelude
[31bb2e1]	209
[4b84e35]	210	(*sqe){ IORING_OP_RECVMSG, sockfd, msg, 1, 0 };
	211	sqe->msg_flags = flags;
[31bb2e1]	212
[4b84e35]	213	__submit_wait
	214	#endif
	215	}
[31bb2e1]	216
[4b84e35]	217	ssize_t cfa_send(int sockfd, const void *buf, size_t len, int flags) {
[5751a56]	218	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_SEND)
[4b84e35]	219	return send( sockfd, buf, len, flags );
	220	#else
	221	__submit_prelude
[31bb2e1]	222
[4b84e35]	223	(*sqe){ IORING_OP_SEND, sockfd };
	224	sqe->addr = (uint64_t)buf;
	225	sqe->len = len;
	226	sqe->msg_flags = flags;
[31bb2e1]	227
[4b84e35]	228	__submit_wait
	229	#endif
	230	}
[31bb2e1]	231
[4b84e35]	232	ssize_t cfa_recv(int sockfd, void *buf, size_t len, int flags) {
[5751a56]	233	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_RECV)
[4b84e35]	234	return recv( sockfd, buf, len, flags );
	235	#else
	236	__submit_prelude
[31bb2e1]	237
[4b84e35]	238	(*sqe){ IORING_OP_RECV, sockfd };
	239	sqe->addr = (uint64_t)buf;
	240	sqe->len = len;
	241	sqe->msg_flags = flags;
[31bb2e1]	242
[4b84e35]	243	__submit_wait
	244	#endif
	245	}
[31bb2e1]	246
[4b84e35]	247	int cfa_accept4(int sockfd, struct sockaddr addr, socklen_t addrlen, int flags) {
[5751a56]	248	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_ACCEPT)
[4b84e35]	249	return accept4( sockfd, addr, addrlen, flags );
	250	#else
	251	__submit_prelude
[31bb2e1]	252
[4b84e35]	253	(*sqe){ IORING_OP_ACCEPT, sockfd };
	254	sqe->addr = addr;
	255	sqe->addr2 = addrlen;
	256	sqe->accept_flags = flags;
[31bb2e1]	257
[4b84e35]	258	__submit_wait
	259	#endif
	260	}
[31bb2e1]	261
[4b84e35]	262	int cfa_connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen) {
[5751a56]	263	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_CONNECT)
[4b84e35]	264	return connect( sockfd, addr, addrlen );
	265	#else
	266	__submit_prelude
[31bb2e1]	267
[4b84e35]	268	(*sqe){ IORING_OP_CONNECT, sockfd };
	269	sqe->addr = (uint64_t)addr;
	270	sqe->off = addrlen;
[31bb2e1]	271
[4b84e35]	272	__submit_wait
	273	#endif
	274	}
[31bb2e1]	275
[4b84e35]	276	int cfa_fallocate(int fd, int mode, uint64_t offset, uint64_t len) {
[5751a56]	277	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_FALLOCATE)
[4b84e35]	278	return fallocate( fd, mode, offset, len );
	279	#else
	280	__submit_prelude
[31bb2e1]	281
[4b84e35]	282	(*sqe){ IORING_OP_FALLOCATE, fd };
	283	sqe->off = offset;
	284	sqe->len = length;
	285	sqe->mode = mode;
[31bb2e1]	286
[4b84e35]	287	__submit_wait
	288	#endif
	289	}
[31bb2e1]	290
[4b84e35]	291	int cfa_fadvise(int fd, uint64_t offset, uint64_t len, int advice) {
[5751a56]	292	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_FADVISE)
[4b84e35]	293	return posix_fadvise( fd, offset, len, advice );
	294	#else
	295	__submit_prelude
[31bb2e1]	296
[4b84e35]	297	(*sqe){ IORING_OP_FADVISE, fd };
	298	sqe->off = (uint64_t)offset;
	299	sqe->len = length;
	300	sqe->fadvise_advice = advice;
[31bb2e1]	301
[4b84e35]	302	__submit_wait
	303	#endif
	304	}
[31bb2e1]	305
[4b84e35]	306	int cfa_madvise(void *addr, size_t length, int advice) {
[5751a56]	307	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_MADVISE)
[4b84e35]	308	return madvise( addr, length, advice );
	309	#else
	310	__submit_prelude
[31bb2e1]	311
[4b84e35]	312	(*sqe){ IORING_OP_MADVISE, 0 };
	313	sqe->addr = (uint64_t)addr;
	314	sqe->len = length;
	315	sqe->fadvise_advice = advice;
[31bb2e1]	316
[4b84e35]	317	__submit_wait
	318	#endif
	319	}
[31bb2e1]	320
[4b84e35]	321	int cfa_openat(int dirfd, const char *pathname, int flags, mode_t mode) {
[5751a56]	322	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_OPENAT)
[4b84e35]	323	return openat( dirfd, pathname, flags, mode );
	324	#else
	325	__submit_prelude
[31bb2e1]	326
[4b84e35]	327	(*sqe){ IORING_OP_OPENAT, dirfd };
	328	sqe->addr = (uint64_t)pathname;
	329	sqe->open_flags = flags;
	330	sqe->mode = mode;
[31bb2e1]	331
[4b84e35]	332	__submit_wait
	333	#endif
	334	}
[31bb2e1]	335
[4b84e35]	336	int cfa_close(int fd) {
[5751a56]	337	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_CLOSE)
[4b84e35]	338	return close( fd );
	339	#else
	340	__submit_prelude
[31bb2e1]	341
[4b84e35]	342	(*sqe){ IORING_OP_CLOSE, fd };
	343
	344	__submit_wait
	345	#endif
	346	}
[31bb2e1]	347
[efc171d1]	348	// Forward declare in case it is not supported
	349	struct statx;
[519f11c]	350	int cfa_statx(int dirfd, const char pathname, int flags, unsigned int mask, struct statx statxbuf) {
[5751a56]	351	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_STATX)
[5db836e]	352	#if defined(__NR_statx)
	353	return syscall( __NR_statx, dirfd, pathname, flags, mask, statxbuf );
	354	#else
	355	errno = ENOTSUP;
	356	return -1;
	357	#endif
[519f11c]	358	#else
	359	__submit_prelude
	360
	361	(*sqe){ IORING_OP_STATX, dirfd, pathname, mask, (uint64_t)statxbuf };
	362	sqe->flags = flags;
	363
	364	__submit_wait
	365	#endif
	366	}
	367
[4b84e35]	368	ssize_t cfa_read(int fd, void *buf, size_t count) {
[5751a56]	369	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_READ)
[4b84e35]	370	return read( fd, buf, count );
	371	#else
	372	__submit_prelude
	373
	374	(*sqe){ IORING_OP_READ, fd, buf, count, 0 };
	375
	376	__submit_wait
	377	#endif
	378	}
	379
	380	ssize_t cfa_write(int fd, void *buf, size_t count) {
[5751a56]	381	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_WRITE)
[4b84e35]	382	return read( fd, buf, count );
	383	#else
	384	__submit_prelude
	385
	386	(*sqe){ IORING_OP_WRITE, fd, buf, count, 0 };
	387
	388	__submit_wait
	389	#endif
	390	}
	391
[0a92c78]	392	ssize_t cfa_splice(int fd_in, loff_t off_in, int fd_out, loff_t off_out, size_t len, unsigned int flags) {
[5751a56]	393	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_SPLICE)
[0a92c78]	394	return splice( fd_in, off_in, fd_out, off_out, len, flags );
	395	#else
	396	__submit_prelude
	397
	398	(*sqe){ IORING_OP_SPLICE, fd_out, 0p, len, off_out };
	399	sqe->splice_fd_in = fd_in;
	400	sqe->splice_off_in = off_in;
	401	sqe->splice_flags = flags;
	402
	403	__submit_wait
	404	#endif
	405	}
	406
[5751a56]	407	ssize_t cfa_splice(int fd_in, loff_t off_in, int fd_out, loff_t off_out, size_t len, unsigned int flags, int in_flags, int out_flags) {
	408	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_SPLICE)
	409	return splice( fd_in, off_in, fd_out, off_out, len, flags );
	410	#else
	411	__submit_prelude
	412
	413	(*sqe){ IORING_OP_SPLICE, fd_out, 0p, len, off_out };
	414	sqe->splice_fd_in = fd_in;
	415	sqe->splice_off_in = off_in;
	416	sqe->splice_flags = flags \| out_flags;
	417	sqe->flags = in_flags;
	418
	419	__submit_wait
	420	#endif
	421	}
	422
[0a92c78]	423	ssize_t cfa_tee(int fd_in, int fd_out, size_t len, unsigned int flags) {
[5751a56]	424	#if !defined(CFA_HAVE_LINUX_IO_URING_H) \|\| !defined(CFA_HAVE_IORING_OP_TEE)
[0a92c78]	425	return tee( fd_in, fd_out, len, flags );
	426	#else
	427	__submit_prelude
	428
	429	(*sqe){ IORING_OP_TEE, fd_out, 0p, len, 0 };
	430	sqe->splice_fd_in = fd_in;
	431	sqe->splice_flags = flags;
	432
	433	__submit_wait
	434	#endif
	435	}
	436
[4b84e35]	437	//-----------------------------------------------------------------------------
	438	// Check if a function is asynchronous
	439
	440	// Macro magic to reduce the size of the following switch case
	441	#define IS_DEFINED_APPLY(f, ...) f(__VA_ARGS__)
	442	#define IS_DEFINED_SECOND(first, second, ...) second
	443	#define IS_DEFINED_TEST(expansion) _CFA_IO_FEATURE_##expansion
	444	#define IS_DEFINED(macro) IS_DEFINED_APPLY( IS_DEFINED_SECOND,IS_DEFINED_TEST(macro) false, true)
	445
	446	bool has_user_level_blocking( fptr_t func ) {
[5751a56]	447	#if defined(CFA_HAVE_LINUX_IO_URING_H)
[4b84e35]	448	#if defined(HAVE_PREADV2)
	449	if( /func == (fptr_t)preadv2 \|\| /
	450	func == (fptr_t)cfa_preadv2 )
[5751a56]	451	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_READV ,
	452	return IS_DEFINED(CFA_HAVE_IORING_OP_READV);
[31bb2e1]	453	#endif
	454
[4b84e35]	455	#if defined(HAVE_PWRITEV2)
	456	if( /func == (fptr_t)pwritev2 \|\| /
	457	func == (fptr_t)cfa_pwritev2 )
[5751a56]	458	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_WRITEV ,
	459	return IS_DEFINED(CFA_HAVE_IORING_OP_WRITEV);
[31bb2e1]	460	#endif
	461
[4b84e35]	462	if( /func == (fptr_t)fsync \|\| /
	463	func == (fptr_t)cfa_fsync )
[5751a56]	464	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_FSYNC ,
	465	return IS_DEFINED(CFA_HAVE_IORING_OP_FSYNC);
[4b84e35]	466
	467	if( /func == (fptr_t)ync_file_range \|\| /
	468	func == (fptr_t)cfa_sync_file_range )
[5751a56]	469	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_SYNC_FILE_RANGE ,
	470	return IS_DEFINED(CFA_HAVE_IORING_OP_SYNC_FILE_RANGE);
[4b84e35]	471
	472	if( /func == (fptr_t)sendmsg \|\| /
	473	func == (fptr_t)cfa_sendmsg )
[5751a56]	474	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_SENDMSG ,
	475	return IS_DEFINED(CFA_HAVE_IORING_OP_SENDMSG);
[4b84e35]	476
	477	if( /func == (fptr_t)recvmsg \|\| /
	478	func == (fptr_t)cfa_recvmsg )
[5751a56]	479	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_RECVMSG ,
	480	return IS_DEFINED(CFA_HAVE_IORING_OP_RECVMSG);
[4b84e35]	481
	482	if( /func == (fptr_t)send \|\| /
	483	func == (fptr_t)cfa_send )
[5751a56]	484	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_SEND ,
	485	return IS_DEFINED(CFA_HAVE_IORING_OP_SEND);
[4b84e35]	486
	487	if( /func == (fptr_t)recv \|\| /
	488	func == (fptr_t)cfa_recv )
[5751a56]	489	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_RECV ,
	490	return IS_DEFINED(CFA_HAVE_IORING_OP_RECV);
[4b84e35]	491
	492	if( /func == (fptr_t)accept4 \|\| /
	493	func == (fptr_t)cfa_accept4 )
[5751a56]	494	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_ACCEPT ,
	495	return IS_DEFINED(CFA_HAVE_IORING_OP_ACCEPT);
[4b84e35]	496
	497	if( /func == (fptr_t)connect \|\| /
	498	func == (fptr_t)cfa_connect )
[5751a56]	499	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_CONNECT ,
	500	return IS_DEFINED(CFA_HAVE_IORING_OP_CONNECT);
[4b84e35]	501
	502	if( /func == (fptr_t)fallocate \|\| /
	503	func == (fptr_t)cfa_fallocate )
[5751a56]	504	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_FALLOCATE ,
	505	return IS_DEFINED(CFA_HAVE_IORING_OP_FALLOCATE);
[4b84e35]	506
	507	if( /func == (fptr_t)posix_fadvise \|\| /
	508	func == (fptr_t)cfa_fadvise )
[5751a56]	509	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_FADVISE ,
	510	return IS_DEFINED(CFA_HAVE_IORING_OP_FADVISE);
[4b84e35]	511
	512	if( /func == (fptr_t)madvise \|\| /
	513	func == (fptr_t)cfa_madvise )
[5751a56]	514	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_MADVISE ,
	515	return IS_DEFINED(CFA_HAVE_IORING_OP_MADVISE);
[4b84e35]	516
	517	if( /func == (fptr_t)openat \|\| /
	518	func == (fptr_t)cfa_openat )
[5751a56]	519	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_OPENAT ,
	520	return IS_DEFINED(CFA_HAVE_IORING_OP_OPENAT);
[4b84e35]	521
	522	if( /func == (fptr_t)close \|\| /
	523	func == (fptr_t)cfa_close )
[5751a56]	524	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_CLOSE ,
	525	return IS_DEFINED(CFA_HAVE_IORING_OP_CLOSE);
[4b84e35]	526
	527	if( /func == (fptr_t)read \|\| /
	528	func == (fptr_t)cfa_read )
[5751a56]	529	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_READ ,
	530	return IS_DEFINED(CFA_HAVE_IORING_OP_READ);
[4b84e35]	531
	532	if( /func == (fptr_t)write \|\| /
	533	func == (fptr_t)cfa_write )
[5751a56]	534	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_WRITE ,
	535	return IS_DEFINED(CFA_HAVE_IORING_OP_WRITE);
[0a92c78]	536
	537	if( /func == (fptr_t)splice \|\| /
[5751a56]	538	func == (fptr_t)(ssize_t ()(int, loff_t , int, loff_t *, size_t, unsigned int))cfa_splice,
	539	func == (fptr_t)(ssize_t ()(int, loff_t , int, loff_t *, size_t, unsigned int, int, int))cfa_splice )
	540	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_SPLICE ,
	541	return IS_DEFINED(CFA_HAVE_IORING_OP_SPLICE);
[0a92c78]	542
	543	if( /func == (fptr_t)tee \|\| /
	544	func == (fptr_t)cfa_tee )
[5751a56]	545	#define _CFA_IO_FEATURE_CFA_HAVE_IORING_OP_TEE ,
	546	return IS_DEFINED(CFA_HAVE_IORING_OP_TEE);
[4b84e35]	547	#endif
	548
	549	return false;
	550	}

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