aboutsummaryrefslogtreecommitdiff
path: root/hw
diff options
context:
space:
mode:
authorAmit Shah <amit.shah@redhat.com>2010-05-04 16:39:07 +0530
committerAnthony Liguori <aliguori@us.ibm.com>2010-05-10 11:36:03 -0500
commit4c64d5b52ed5287bb31489bba39cf41628230bce (patch)
treebb64c58482faa9f725daf2a28eda434d169efbac /hw
parent14eb8b6829ad9dee7035de729e083844a425f274 (diff)
downloadqemu-4c64d5b52ed5287bb31489bba39cf41628230bce.zip
qemu-4c64d5b52ed5287bb31489bba39cf41628230bce.tar.gz
qemu-4c64d5b52ed5287bb31489bba39cf41628230bce.tar.bz2
iov: Move from hw/ to topdir
The iov functions can be useful to other code as well. Signed-off-by: Amit Shah <amit.shah@redhat.com> CC: Christoph Hellwig <hch@lst.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/iov.c70
-rw-r--r--hw/iov.h19
2 files changed, 0 insertions, 89 deletions
diff --git a/hw/iov.c b/hw/iov.c
deleted file mode 100644
index 588cd04..0000000
--- a/hw/iov.c
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Helpers for getting linearized buffers from iov / filling buffers into iovs
- *
- * Copyright IBM, Corp. 2007, 2008
- * Copyright (C) 2010 Red Hat, Inc.
- *
- * Author(s):
- * Anthony Liguori <aliguori@us.ibm.com>
- * Amit Shah <amit.shah@redhat.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2. See
- * the COPYING file in the top-level directory.
- */
-
-#include "iov.h"
-
-size_t iov_from_buf(struct iovec *iov, unsigned int iovcnt,
- const void *buf, size_t size)
-{
- size_t offset;
- unsigned int i;
-
- offset = 0;
- for (i = 0; offset < size && i < iovcnt; i++) {
- size_t len;
-
- len = MIN(iov[i].iov_len, size - offset);
-
- memcpy(iov[i].iov_base, buf + offset, len);
- offset += len;
- }
- return offset;
-}
-
-size_t iov_to_buf(const struct iovec *iov, const unsigned int iovcnt,
- void *buf, size_t offset, size_t size)
-{
- uint8_t *ptr;
- size_t iov_off, buf_off;
- unsigned int i;
-
- ptr = buf;
- iov_off = 0;
- buf_off = 0;
- for (i = 0; i < iovcnt && size; i++) {
- if (offset < (iov_off + iov[i].iov_len)) {
- size_t len = MIN((iov_off + iov[i].iov_len) - offset , size);
-
- memcpy(ptr + buf_off, iov[i].iov_base + (offset - iov_off), len);
-
- buf_off += len;
- offset += len;
- size -= len;
- }
- iov_off += iov[i].iov_len;
- }
- return buf_off;
-}
-
-size_t iov_size(const struct iovec *iov, const unsigned int iovcnt)
-{
- size_t len;
- unsigned int i;
-
- len = 0;
- for (i = 0; i < iovcnt; i++) {
- len += iov[i].iov_len;
- }
- return len;
-}
diff --git a/hw/iov.h b/hw/iov.h
deleted file mode 100644
index 60a8547..0000000
--- a/hw/iov.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * Helpers for getting linearized buffers from iov / filling buffers into iovs
- *
- * Copyright (C) 2010 Red Hat, Inc.
- *
- * Author(s):
- * Amit Shah <amit.shah@redhat.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2. See
- * the COPYING file in the top-level directory.
- */
-
-#include "qemu-common.h"
-
-size_t iov_from_buf(struct iovec *iov, unsigned int iovcnt,
- const void *buf, size_t size);
-size_t iov_to_buf(const struct iovec *iov, const unsigned int iovcnt,
- void *buf, size_t offset, size_t size);
-size_t iov_size(const struct iovec *iov, const unsigned int iovcnt);