286 void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint)  in qemu_iovec_init()  argument
288     qiov->iov = g_new(struct iovec, alloc_hint);  in qemu_iovec_init()
289     qiov->niov = 0;  in qemu_iovec_init()
290     qiov->nalloc = alloc_hint;  in qemu_iovec_init()
291     qiov->size = 0;  in qemu_iovec_init()
294 void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov)  in qemu_iovec_init_external()  argument
298     qiov->iov = iov;  in qemu_iovec_init_external()
299     qiov->niov = niov;  in qemu_iovec_init_external()
300     qiov->nalloc = -1;  in qemu_iovec_init_external()
301     qiov->size = 0;  in qemu_iovec_init_external()
303         qiov->size += iov[i].iov_len;  in qemu_iovec_init_external()
306 void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len)  in qemu_iovec_add()  argument
308     assert(qiov->nalloc != -1);  in qemu_iovec_add()
310     if (qiov->niov == qiov->nalloc) {  in qemu_iovec_add()
311         qiov->nalloc = 2 * qiov->nalloc + 1;  in qemu_iovec_add()
312         qiov->iov = g_renew(struct iovec, qiov->iov, qiov->nalloc);  in qemu_iovec_add()
314     qiov->iov[qiov->niov].iov_base = base;  in qemu_iovec_add()
315     qiov->iov[qiov->niov].iov_len = len;  in qemu_iovec_add()
316     qiov->size += len;  in qemu_iovec_add()
317     ++qiov->niov;  in qemu_iovec_add()
398 struct iovec *qemu_iovec_slice(QEMUIOVector *qiov,  in qemu_iovec_slice()  argument
404     assert(offset + len <= qiov->size);  in qemu_iovec_slice()
406     iov = iov_skip_offset(qiov->iov, offset, head);  in qemu_iovec_slice()
420 int qemu_iovec_subvec_niov(QEMUIOVector *qiov, size_t offset, size_t len)  in qemu_iovec_subvec_niov()  argument
425     qemu_iovec_slice(qiov, offset, len, &head, &tail, &niov);  in qemu_iovec_subvec_niov()
433 bool qemu_iovec_is_zero(QEMUIOVector *qiov, size_t offset, size_t bytes)  in qemu_iovec_is_zero()  argument
438     assert(offset + bytes <= qiov->size);  in qemu_iovec_is_zero()
440     iov = iov_skip_offset(qiov->iov, offset, &current_offset);  in qemu_iovec_is_zero()
458 void qemu_iovec_init_slice(QEMUIOVector *qiov, QEMUIOVector *source,  in qemu_iovec_init_slice()  argument
471         qemu_iovec_init_buf(qiov, slice_iov[0].iov_base + slice_head, len);  in qemu_iovec_init_slice()
473         qemu_iovec_init(qiov, slice_niov);  in qemu_iovec_init_slice()
474         qemu_iovec_concat_iov(qiov, slice_iov, slice_niov, slice_head, len);  in qemu_iovec_init_slice()
478 void qemu_iovec_destroy(QEMUIOVector *qiov)  in qemu_iovec_destroy()  argument
480     if (qiov->nalloc != -1) {  in qemu_iovec_destroy()
481         g_free(qiov->iov);  in qemu_iovec_destroy()
484     memset(qiov, 0, sizeof(*qiov));  in qemu_iovec_destroy()
487 void qemu_iovec_reset(QEMUIOVector *qiov)  in qemu_iovec_reset()  argument
489     assert(qiov->nalloc != -1);  in qemu_iovec_reset()
491     qiov->niov = 0;  in qemu_iovec_reset()
492     qiov->size = 0;  in qemu_iovec_reset()
495 size_t qemu_iovec_to_buf(QEMUIOVector *qiov, size_t offset,  in qemu_iovec_to_buf()  argument
498     return iov_to_buf(qiov->iov, qiov->niov, offset, buf, bytes);  in qemu_iovec_to_buf()
501 size_t qemu_iovec_from_buf(QEMUIOVector *qiov, size_t offset,  in qemu_iovec_from_buf()  argument
504     return iov_from_buf(qiov->iov, qiov->niov, offset, buf, bytes);  in qemu_iovec_from_buf()
507 size_t qemu_iovec_memset(QEMUIOVector *qiov, size_t offset,  in qemu_iovec_memset()  argument
510     return iov_memset(qiov->iov, qiov->niov, offset, fillc, bytes);  in qemu_iovec_memset()
712 void qemu_iovec_discard_back(QEMUIOVector *qiov, size_t bytes)  in qemu_iovec_discard_back()  argument
715     unsigned int niov = qiov->niov;  in qemu_iovec_discard_back()
717     assert(qiov->size >= bytes);  in qemu_iovec_discard_back()
718     total = iov_discard_back(qiov->iov, &niov, bytes);  in qemu_iovec_discard_back()
721     qiov->niov = niov;  in qemu_iovec_discard_back()
722     qiov->size -= bytes;  in qemu_iovec_discard_back()