25 size_t iov_from_buf_full(const struct iovec *iov, unsigned int iov_cnt,  in iov_from_buf_full()  argument
31         if (offset < iov[i].iov_len) {  in iov_from_buf_full()
32             size_t len = MIN(iov[i].iov_len - offset, bytes - done);  in iov_from_buf_full()
33             memcpy(iov[i].iov_base + offset, buf + done, len);  in iov_from_buf_full()
37             offset -= iov[i].iov_len;  in iov_from_buf_full()
44 size_t iov_to_buf_full(const struct iovec *iov, const unsigned int iov_cnt,  in iov_to_buf_full()  argument
50         if (offset < iov[i].iov_len) {  in iov_to_buf_full()
51             size_t len = MIN(iov[i].iov_len - offset, bytes - done);  in iov_to_buf_full()
52             memcpy(buf + done, iov[i].iov_base + offset, len);  in iov_to_buf_full()
56             offset -= iov[i].iov_len;  in iov_to_buf_full()
63 size_t iov_memset(const struct iovec *iov, const unsigned int iov_cnt,  in iov_memset()  argument
69         if (offset < iov[i].iov_len) {  in iov_memset()
70             size_t len = MIN(iov[i].iov_len - offset, bytes - done);  in iov_memset()
71             memset(iov[i].iov_base + offset, fillc, len);  in iov_memset()
75             offset -= iov[i].iov_len;  in iov_memset()
82 size_t iov_size(const struct iovec *iov, const unsigned int iov_cnt)  in iov_size()  argument
89         len += iov[i].iov_len;  in iov_size()
96 do_send_recv(int sockfd, int flags, struct iovec *iov, unsigned iov_cnt,  in do_send_recv()  argument
103     msg.msg_iov = iov;  in do_send_recv()
119             ? send(sockfd, iov[i].iov_base + off, iov[i].iov_len - off, flags)  in do_send_recv()
120             : recv(sockfd, iov[i].iov_base + off, iov[i].iov_len - off, flags);  in do_send_recv()
124             if (off < iov[i].iov_len) {  in do_send_recv()
163     struct iovec *local_iov, *iov;  in iov_send_recv_with_flags()  local
172     iov = local_iov;  in iov_send_recv_with_flags()
177         for (niov = 0; niov < iov_cnt && offset >= iov[niov].iov_len; ++niov) {  in iov_send_recv_with_flags()
178             offset -= iov[niov].iov_len;  in iov_send_recv_with_flags()
184         iov += niov;  in iov_send_recv_with_flags()
190             iov[0].iov_base += offset;  in iov_send_recv_with_flags()
191             iov[0].iov_len -= offset;  in iov_send_recv_with_flags()
196         for (niov = 0; niov < iov_cnt && iov[niov].iov_len <= tail; ++niov) {  in iov_send_recv_with_flags()
197             tail -= iov[niov].iov_len;  in iov_send_recv_with_flags()
203             assert(iov[niov].iov_len > tail);  in iov_send_recv_with_flags()
204             orig_len = iov[niov].iov_len;  in iov_send_recv_with_flags()
205             iov[niov++].iov_len = tail;  in iov_send_recv_with_flags()
206             ret = do_send_recv(sockfd, sockflags, iov, niov, do_send);  in iov_send_recv_with_flags()
208             iov[niov-1].iov_len = orig_len;  in iov_send_recv_with_flags()
210             ret = do_send_recv(sockfd, sockflags, iov, niov, do_send);  in iov_send_recv_with_flags()
213             iov[0].iov_base -= offset;  in iov_send_recv_with_flags()
214             iov[0].iov_len += offset;  in iov_send_recv_with_flags()
243 void iov_hexdump(const struct iovec *iov, const unsigned int iov_cnt,  in iov_hexdump()  argument
251         size += iov[v].iov_len;  in iov_hexdump()
255     iov_to_buf(iov, iov_cnt, 0, buf, size);  in iov_hexdump()
261                  const struct iovec *iov, unsigned int iov_cnt,  in iov_copy()  argument
268         if (offset >= iov[i].iov_len) {  in iov_copy()
269             offset -= iov[i].iov_len;  in iov_copy()
272         len = MIN(bytes, iov[i].iov_len - offset);  in iov_copy()
274         dst_iov[j].iov_base = iov[i].iov_base + offset;  in iov_copy()
288     qiov->iov = g_new(struct iovec, alloc_hint);  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()
303         qiov->size += iov[i].iov_len;  in qemu_iovec_init_external()
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()
369     qemu_iovec_concat_iov(dst, src->iov, src->niov, soffset, sbytes);  in qemu_iovec_concat()
379 static struct iovec *iov_skip_offset(struct iovec *iov, size_t offset,  in iov_skip_offset()  argument
382     while (offset > 0 && offset >= iov->iov_len) {  in iov_skip_offset()
383         offset -= iov->iov_len;  in iov_skip_offset()
384         iov++;  in iov_skip_offset()
388     return iov;  in iov_skip_offset()
402     struct iovec *iov, *end_iov;  in qemu_iovec_slice()  local
406     iov = iov_skip_offset(qiov->iov, offset, head);  in qemu_iovec_slice()
407     end_iov = iov_skip_offset(iov, *head + len, tail);  in qemu_iovec_slice()
415     *niov = end_iov - iov;  in qemu_iovec_slice()
417     return iov;  in qemu_iovec_slice()
435     struct iovec *iov;  in qemu_iovec_is_zero()  local
440     iov = iov_skip_offset(qiov->iov, offset, &current_offset);  in qemu_iovec_is_zero()
443         uint8_t *base = (uint8_t *)iov->iov_base + current_offset;  in qemu_iovec_is_zero()
444         size_t len = MIN(iov->iov_len - current_offset, bytes);  in qemu_iovec_is_zero()
452         iov++;  in qemu_iovec_is_zero()
481         g_free(qiov->iov);  in qemu_iovec_destroy()
498     return iov_to_buf(qiov->iov, qiov->niov, offset, buf, bytes);  in qemu_iovec_to_buf()
504     return iov_from_buf(qiov->iov, qiov->niov, offset, buf, bytes);  in qemu_iovec_from_buf()
510     return iov_memset(qiov->iov, qiov->niov, offset, fillc, bytes);  in qemu_iovec_memset()
531         uint8_t *p = (uint8_t *)a->iov[i].iov_base;  in qemu_iovec_compare()
532         uint8_t *q = (uint8_t *)b->iov[i].iov_base;  in qemu_iovec_compare()
534         assert(a->iov[i].iov_len == b->iov[i].iov_len);  in qemu_iovec_compare()
535         while (len < a->iov[i].iov_len && *p++ == *q++) {  in qemu_iovec_compare()
541         if (len != a->iov[i].iov_len) {  in qemu_iovec_compare()
592         sortelems[i].src_iov = &src->iov[i];  in qemu_iovec_clone()
615         qemu_iovec_add(dest, sortelems[i].dest_base, src->iov[i].iov_len);  in qemu_iovec_clone()
627 size_t iov_discard_front_undoable(struct iovec **iov,  in iov_discard_front_undoable()  argument
639     for (cur = *iov; *iov_cnt > 0; cur++) {  in iov_discard_front_undoable()
657     *iov = cur;  in iov_discard_front_undoable()
661 size_t iov_discard_front(struct iovec **iov, unsigned int *iov_cnt,  in iov_discard_front()  argument
664     return iov_discard_front_undoable(iov, iov_cnt, bytes, NULL);  in iov_discard_front()
667 size_t iov_discard_back_undoable(struct iovec *iov,  in iov_discard_back_undoable()  argument
683     cur = iov + (*iov_cnt - 1);  in iov_discard_back_undoable()
706 size_t iov_discard_back(struct iovec *iov, unsigned int *iov_cnt,  in iov_discard_back()  argument
709     return iov_discard_back_undoable(iov, iov_cnt, bytes, NULL);  in iov_discard_back()
718     total = iov_discard_back(qiov->iov, &niov, bytes);  in qemu_iovec_discard_back()