diff options
Diffstat (limited to 'posix-aio-compat.h')
-rw-r--r-- | posix-aio-compat.h | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/posix-aio-compat.h b/posix-aio-compat.h deleted file mode 100644 index 1c5dcbd920..0000000000 --- a/posix-aio-compat.h +++ /dev/null @@ -1,68 +0,0 @@ -/* - * QEMU posix-aio emulation - * - * Copyright IBM, Corp. 2008 - * - * Authors: - * Anthony Liguori <aliguori@us.ibm.com> - * - * This work is licensed under the terms of the GNU GPL, version 2. See - * the COPYING file in the top-level directory. - * - */ - -#ifndef QEMU_POSIX_AIO_COMPAT_H -#define QEMU_POSIX_AIO_COMPAT_H - -#include <sys/types.h> -#include <unistd.h> -#include <signal.h> - -#include "sys-queue.h" - -#define QEMU_PAIO_CANCELED 0x01 -#define QEMU_PAIO_NOTCANCELED 0x02 -#define QEMU_PAIO_ALLDONE 0x03 - -struct qemu_paiocb -{ - int aio_fildes; - union { - struct iovec *aio_iov; - void *aio_ioctl_buf; - }; - int aio_niov; - size_t aio_nbytes; -#define aio_ioctl_cmd aio_nbytes /* for QEMU_PAIO_IOCTL */ - int ev_signo; - off_t aio_offset; - unsigned aio_flags; -/* 512 byte alignment required for buffer, offset and length */ -#define QEMU_AIO_SECTOR_ALIGNED 0x01 - - /* private */ - TAILQ_ENTRY(qemu_paiocb) node; - int aio_type; -#define QEMU_PAIO_READ 0x01 -#define QEMU_PAIO_WRITE 0x02 -#define QEMU_PAIO_IOCTL 0x03 - ssize_t ret; - int active; -}; - -struct qemu_paioinit -{ - unsigned int aio_threads; - unsigned int aio_num; - unsigned int aio_idle_time; -}; - -int qemu_paio_init(struct qemu_paioinit *aioinit); -int qemu_paio_read(struct qemu_paiocb *aiocb); -int qemu_paio_write(struct qemu_paiocb *aiocb); -int qemu_paio_ioctl(struct qemu_paiocb *aiocb); -int qemu_paio_error(struct qemu_paiocb *aiocb); -ssize_t qemu_paio_return(struct qemu_paiocb *aiocb); -int qemu_paio_cancel(int fd, struct qemu_paiocb *aiocb); - -#endif |