diff options
author | 2017-04-25 03:31:15 -0700 | |
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committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/fsdev/9p-iov-marshal.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/fsdev/9p-iov-marshal.c')
-rw-r--r-- | qemu/fsdev/9p-iov-marshal.c | 314 |
1 files changed, 0 insertions, 314 deletions
diff --git a/qemu/fsdev/9p-iov-marshal.c b/qemu/fsdev/9p-iov-marshal.c deleted file mode 100644 index fb40bdf0d..000000000 --- a/qemu/fsdev/9p-iov-marshal.c +++ /dev/null @@ -1,314 +0,0 @@ -/* - * 9p backend - * - * Copyright IBM, Corp. 2010 - * - * 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. - * - */ - -#include "qemu/osdep.h" -#include <glib.h> -#include <glib/gprintf.h> -#include <utime.h> -#include <sys/uio.h> - -#include "9p-iov-marshal.h" -#include "qemu/bswap.h" - -static ssize_t v9fs_packunpack(void *addr, struct iovec *sg, int sg_count, - size_t offset, size_t size, int pack) -{ - int i = 0; - size_t copied = 0; - size_t req_size = size; - - - for (i = 0; size && i < sg_count; i++) { - size_t len; - if (offset >= sg[i].iov_len) { - /* skip this sg */ - offset -= sg[i].iov_len; - continue; - } else { - len = MIN(sg[i].iov_len - offset, size); - if (pack) { - memcpy(sg[i].iov_base + offset, addr, len); - } else { - memcpy(addr, sg[i].iov_base + offset, len); - } - size -= len; - copied += len; - addr += len; - if (size) { - offset = 0; - continue; - } - } - } - if (copied < req_size) { - /* - * We copied less that requested size. error out - */ - return -ENOBUFS; - } - return copied; -} - -static ssize_t v9fs_unpack(void *dst, struct iovec *out_sg, int out_num, - size_t offset, size_t size) -{ - return v9fs_packunpack(dst, out_sg, out_num, offset, size, 0); -} - -ssize_t v9fs_pack(struct iovec *in_sg, int in_num, size_t offset, - const void *src, size_t size) -{ - return v9fs_packunpack((void *)src, in_sg, in_num, offset, size, 1); -} - -ssize_t v9fs_iov_vunmarshal(struct iovec *out_sg, int out_num, size_t offset, - int bswap, const char *fmt, va_list ap) -{ - int i; - ssize_t copied = 0; - size_t old_offset = offset; - - for (i = 0; fmt[i]; i++) { - switch (fmt[i]) { - case 'b': { - uint8_t *valp = va_arg(ap, uint8_t *); - copied = v9fs_unpack(valp, out_sg, out_num, offset, sizeof(*valp)); - break; - } - case 'w': { - uint16_t val, *valp; - valp = va_arg(ap, uint16_t *); - copied = v9fs_unpack(&val, out_sg, out_num, offset, sizeof(val)); - if (bswap) { - *valp = le16_to_cpu(val); - } else { - *valp = val; - } - break; - } - case 'd': { - uint32_t val, *valp; - valp = va_arg(ap, uint32_t *); - copied = v9fs_unpack(&val, out_sg, out_num, offset, sizeof(val)); - if (bswap) { - *valp = le32_to_cpu(val); - } else { - *valp = val; - } - break; - } - case 'q': { - uint64_t val, *valp; - valp = va_arg(ap, uint64_t *); - copied = v9fs_unpack(&val, out_sg, out_num, offset, sizeof(val)); - if (bswap) { - *valp = le64_to_cpu(val); - } else { - *valp = val; - } - break; - } - case 's': { - V9fsString *str = va_arg(ap, V9fsString *); - copied = v9fs_iov_unmarshal(out_sg, out_num, offset, bswap, - "w", &str->size); - if (copied > 0) { - offset += copied; - str->data = g_malloc(str->size + 1); - copied = v9fs_unpack(str->data, out_sg, out_num, offset, - str->size); - if (copied > 0) { - str->data[str->size] = 0; - } else { - v9fs_string_free(str); - } - } - break; - } - case 'Q': { - V9fsQID *qidp = va_arg(ap, V9fsQID *); - copied = v9fs_iov_unmarshal(out_sg, out_num, offset, bswap, - "bdq", &qidp->type, &qidp->version, - &qidp->path); - break; - } - case 'S': { - V9fsStat *statp = va_arg(ap, V9fsStat *); - copied = v9fs_iov_unmarshal(out_sg, out_num, offset, bswap, - "wwdQdddqsssssddd", - &statp->size, &statp->type, - &statp->dev, &statp->qid, - &statp->mode, &statp->atime, - &statp->mtime, &statp->length, - &statp->name, &statp->uid, - &statp->gid, &statp->muid, - &statp->extension, - &statp->n_uid, &statp->n_gid, - &statp->n_muid); - break; - } - case 'I': { - V9fsIattr *iattr = va_arg(ap, V9fsIattr *); - copied = v9fs_iov_unmarshal(out_sg, out_num, offset, bswap, - "ddddqqqqq", - &iattr->valid, &iattr->mode, - &iattr->uid, &iattr->gid, - &iattr->size, &iattr->atime_sec, - &iattr->atime_nsec, - &iattr->mtime_sec, - &iattr->mtime_nsec); - break; - } - default: - break; - } - if (copied < 0) { - return copied; - } - offset += copied; - } - - return offset - old_offset; -} - -ssize_t v9fs_iov_unmarshal(struct iovec *out_sg, int out_num, size_t offset, - int bswap, const char *fmt, ...) -{ - ssize_t ret; - va_list ap; - - va_start(ap, fmt); - ret = v9fs_iov_vunmarshal(out_sg, out_num, offset, bswap, fmt, ap); - va_end(ap); - - return ret; -} - -ssize_t v9fs_iov_vmarshal(struct iovec *in_sg, int in_num, size_t offset, - int bswap, const char *fmt, va_list ap) -{ - int i; - ssize_t copied = 0; - size_t old_offset = offset; - - for (i = 0; fmt[i]; i++) { - switch (fmt[i]) { - case 'b': { - uint8_t val = va_arg(ap, int); - copied = v9fs_pack(in_sg, in_num, offset, &val, sizeof(val)); - break; - } - case 'w': { - uint16_t val; - if (bswap) { - cpu_to_le16w(&val, va_arg(ap, int)); - } else { - val = va_arg(ap, int); - } - copied = v9fs_pack(in_sg, in_num, offset, &val, sizeof(val)); - break; - } - case 'd': { - uint32_t val; - if (bswap) { - cpu_to_le32w(&val, va_arg(ap, uint32_t)); - } else { - val = va_arg(ap, uint32_t); - } - copied = v9fs_pack(in_sg, in_num, offset, &val, sizeof(val)); - break; - } - case 'q': { - uint64_t val; - if (bswap) { - cpu_to_le64w(&val, va_arg(ap, uint64_t)); - } else { - val = va_arg(ap, uint64_t); - } - copied = v9fs_pack(in_sg, in_num, offset, &val, sizeof(val)); - break; - } - case 's': { - V9fsString *str = va_arg(ap, V9fsString *); - copied = v9fs_iov_marshal(in_sg, in_num, offset, bswap, - "w", str->size); - if (copied > 0) { - offset += copied; - copied = v9fs_pack(in_sg, in_num, offset, str->data, str->size); - } - break; - } - case 'Q': { - V9fsQID *qidp = va_arg(ap, V9fsQID *); - copied = v9fs_iov_marshal(in_sg, in_num, offset, bswap, "bdq", - qidp->type, qidp->version, - qidp->path); - break; - } - case 'S': { - V9fsStat *statp = va_arg(ap, V9fsStat *); - copied = v9fs_iov_marshal(in_sg, in_num, offset, bswap, - "wwdQdddqsssssddd", - statp->size, statp->type, statp->dev, - &statp->qid, statp->mode, statp->atime, - statp->mtime, statp->length, - &statp->name, - &statp->uid, &statp->gid, &statp->muid, - &statp->extension, statp->n_uid, - statp->n_gid, statp->n_muid); - break; - } - case 'A': { - V9fsStatDotl *statp = va_arg(ap, V9fsStatDotl *); - copied = v9fs_iov_marshal(in_sg, in_num, offset, bswap, - "qQdddqqqqqqqqqqqqqqq", - statp->st_result_mask, - &statp->qid, statp->st_mode, - statp->st_uid, statp->st_gid, - statp->st_nlink, statp->st_rdev, - statp->st_size, statp->st_blksize, - statp->st_blocks, statp->st_atime_sec, - statp->st_atime_nsec, - statp->st_mtime_sec, - statp->st_mtime_nsec, - statp->st_ctime_sec, - statp->st_ctime_nsec, - statp->st_btime_sec, - statp->st_btime_nsec, statp->st_gen, - statp->st_data_version); - break; - } - default: - break; - } - if (copied < 0) { - return copied; - } - offset += copied; - } - - return offset - old_offset; -} - -ssize_t v9fs_iov_marshal(struct iovec *in_sg, int in_num, size_t offset, - int bswap, const char *fmt, ...) -{ - ssize_t ret; - va_list ap; - - va_start(ap, fmt); - ret = v9fs_iov_vmarshal(in_sg, in_num, offset, bswap, fmt, ap); - va_end(ap); - - return ret; -} |