struct qemu_paiocb
{
int aio_fildes;
- void *aio_buf;
+ 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 is_write;
+ int aio_type;
+#define QEMU_PAIO_READ 0x01
+#define QEMU_PAIO_WRITE 0x02
+#define QEMU_PAIO_IOCTL 0x03
ssize_t ret;
int active;
};
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);