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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/block/blkverify.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (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/block/blkverify.c')
-rw-r--r--qemu/block/blkverify.c371
1 files changed, 0 insertions, 371 deletions
diff --git a/qemu/block/blkverify.c b/qemu/block/blkverify.c
deleted file mode 100644
index 9414b7a84..000000000
--- a/qemu/block/blkverify.c
+++ /dev/null
@@ -1,371 +0,0 @@
-/*
- * Block protocol for block driver correctness testing
- *
- * Copyright (C) 2010 IBM, Corp.
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- */
-
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "qemu/sockets.h" /* for EINPROGRESS on Windows */
-#include "block/block_int.h"
-#include "qapi/qmp/qdict.h"
-#include "qapi/qmp/qstring.h"
-#include "qemu/cutils.h"
-
-typedef struct {
- BdrvChild *test_file;
-} BDRVBlkverifyState;
-
-typedef struct BlkverifyAIOCB BlkverifyAIOCB;
-struct BlkverifyAIOCB {
- BlockAIOCB common;
- QEMUBH *bh;
-
- /* Request metadata */
- bool is_write;
- int64_t sector_num;
- int nb_sectors;
-
- int ret; /* first completed request's result */
- unsigned int done; /* completion counter */
-
- QEMUIOVector *qiov; /* user I/O vector */
- QEMUIOVector raw_qiov; /* cloned I/O vector for raw file */
- void *buf; /* buffer for raw file I/O */
-
- void (*verify)(BlkverifyAIOCB *acb);
-};
-
-static const AIOCBInfo blkverify_aiocb_info = {
- .aiocb_size = sizeof(BlkverifyAIOCB),
-};
-
-static void GCC_FMT_ATTR(2, 3) blkverify_err(BlkverifyAIOCB *acb,
- const char *fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- fprintf(stderr, "blkverify: %s sector_num=%" PRId64 " nb_sectors=%d ",
- acb->is_write ? "write" : "read", acb->sector_num,
- acb->nb_sectors);
- vfprintf(stderr, fmt, ap);
- fprintf(stderr, "\n");
- va_end(ap);
- exit(1);
-}
-
-/* Valid blkverify filenames look like blkverify:path/to/raw_image:path/to/image */
-static void blkverify_parse_filename(const char *filename, QDict *options,
- Error **errp)
-{
- const char *c;
- QString *raw_path;
-
-
- /* Parse the blkverify: prefix */
- if (!strstart(filename, "blkverify:", &filename)) {
- /* There was no prefix; therefore, all options have to be already
- present in the QDict (except for the filename) */
- qdict_put(options, "x-image", qstring_from_str(filename));
- return;
- }
-
- /* Parse the raw image filename */
- c = strchr(filename, ':');
- if (c == NULL) {
- error_setg(errp, "blkverify requires raw copy and original image path");
- return;
- }
-
- /* TODO Implement option pass-through and set raw.filename here */
- raw_path = qstring_from_substr(filename, 0, c - filename - 1);
- qdict_put(options, "x-raw", raw_path);
-
- /* TODO Allow multi-level nesting and set file.filename here */
- filename = c + 1;
- qdict_put(options, "x-image", qstring_from_str(filename));
-}
-
-static QemuOptsList runtime_opts = {
- .name = "blkverify",
- .head = QTAILQ_HEAD_INITIALIZER(runtime_opts.head),
- .desc = {
- {
- .name = "x-raw",
- .type = QEMU_OPT_STRING,
- .help = "[internal use only, will be removed]",
- },
- {
- .name = "x-image",
- .type = QEMU_OPT_STRING,
- .help = "[internal use only, will be removed]",
- },
- { /* end of list */ }
- },
-};
-
-static int blkverify_open(BlockDriverState *bs, QDict *options, int flags,
- Error **errp)
-{
- BDRVBlkverifyState *s = bs->opaque;
- QemuOpts *opts;
- Error *local_err = NULL;
- int ret;
-
- opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort);
- qemu_opts_absorb_qdict(opts, options, &local_err);
- if (local_err) {
- error_propagate(errp, local_err);
- ret = -EINVAL;
- goto fail;
- }
-
- /* Open the raw file */
- bs->file = bdrv_open_child(qemu_opt_get(opts, "x-raw"), options, "raw",
- bs, &child_file, false, &local_err);
- if (local_err) {
- ret = -EINVAL;
- error_propagate(errp, local_err);
- goto fail;
- }
-
- /* Open the test file */
- s->test_file = bdrv_open_child(qemu_opt_get(opts, "x-image"), options,
- "test", bs, &child_format, false,
- &local_err);
- if (local_err) {
- ret = -EINVAL;
- error_propagate(errp, local_err);
- goto fail;
- }
-
- ret = 0;
-fail:
- if (ret < 0) {
- bdrv_unref_child(bs, bs->file);
- }
- qemu_opts_del(opts);
- return ret;
-}
-
-static void blkverify_close(BlockDriverState *bs)
-{
- BDRVBlkverifyState *s = bs->opaque;
-
- bdrv_unref_child(bs, s->test_file);
- s->test_file = NULL;
-}
-
-static int64_t blkverify_getlength(BlockDriverState *bs)
-{
- BDRVBlkverifyState *s = bs->opaque;
-
- return bdrv_getlength(s->test_file->bs);
-}
-
-static BlkverifyAIOCB *blkverify_aio_get(BlockDriverState *bs, bool is_write,
- int64_t sector_num, QEMUIOVector *qiov,
- int nb_sectors,
- BlockCompletionFunc *cb,
- void *opaque)
-{
- BlkverifyAIOCB *acb = qemu_aio_get(&blkverify_aiocb_info, bs, cb, opaque);
-
- acb->bh = NULL;
- acb->is_write = is_write;
- acb->sector_num = sector_num;
- acb->nb_sectors = nb_sectors;
- acb->ret = -EINPROGRESS;
- acb->done = 0;
- acb->qiov = qiov;
- acb->buf = NULL;
- acb->verify = NULL;
- return acb;
-}
-
-static void blkverify_aio_bh(void *opaque)
-{
- BlkverifyAIOCB *acb = opaque;
-
- qemu_bh_delete(acb->bh);
- if (acb->buf) {
- qemu_iovec_destroy(&acb->raw_qiov);
- qemu_vfree(acb->buf);
- }
- acb->common.cb(acb->common.opaque, acb->ret);
- qemu_aio_unref(acb);
-}
-
-static void blkverify_aio_cb(void *opaque, int ret)
-{
- BlkverifyAIOCB *acb = opaque;
-
- switch (++acb->done) {
- case 1:
- acb->ret = ret;
- break;
-
- case 2:
- if (acb->ret != ret) {
- blkverify_err(acb, "return value mismatch %d != %d", acb->ret, ret);
- }
-
- if (acb->verify) {
- acb->verify(acb);
- }
-
- acb->bh = aio_bh_new(bdrv_get_aio_context(acb->common.bs),
- blkverify_aio_bh, acb);
- qemu_bh_schedule(acb->bh);
- break;
- }
-}
-
-static void blkverify_verify_readv(BlkverifyAIOCB *acb)
-{
- ssize_t offset = qemu_iovec_compare(acb->qiov, &acb->raw_qiov);
- if (offset != -1) {
- blkverify_err(acb, "contents mismatch in sector %" PRId64,
- acb->sector_num + (int64_t)(offset / BDRV_SECTOR_SIZE));
- }
-}
-
-static BlockAIOCB *blkverify_aio_readv(BlockDriverState *bs,
- int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
- BlockCompletionFunc *cb, void *opaque)
-{
- BDRVBlkverifyState *s = bs->opaque;
- BlkverifyAIOCB *acb = blkverify_aio_get(bs, false, sector_num, qiov,
- nb_sectors, cb, opaque);
-
- acb->verify = blkverify_verify_readv;
- acb->buf = qemu_blockalign(bs->file->bs, qiov->size);
- qemu_iovec_init(&acb->raw_qiov, acb->qiov->niov);
- qemu_iovec_clone(&acb->raw_qiov, qiov, acb->buf);
-
- bdrv_aio_readv(s->test_file->bs, sector_num, qiov, nb_sectors,
- blkverify_aio_cb, acb);
- bdrv_aio_readv(bs->file->bs, sector_num, &acb->raw_qiov, nb_sectors,
- blkverify_aio_cb, acb);
- return &acb->common;
-}
-
-static BlockAIOCB *blkverify_aio_writev(BlockDriverState *bs,
- int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
- BlockCompletionFunc *cb, void *opaque)
-{
- BDRVBlkverifyState *s = bs->opaque;
- BlkverifyAIOCB *acb = blkverify_aio_get(bs, true, sector_num, qiov,
- nb_sectors, cb, opaque);
-
- bdrv_aio_writev(s->test_file->bs, sector_num, qiov, nb_sectors,
- blkverify_aio_cb, acb);
- bdrv_aio_writev(bs->file->bs, sector_num, qiov, nb_sectors,
- blkverify_aio_cb, acb);
- return &acb->common;
-}
-
-static BlockAIOCB *blkverify_aio_flush(BlockDriverState *bs,
- BlockCompletionFunc *cb,
- void *opaque)
-{
- BDRVBlkverifyState *s = bs->opaque;
-
- /* Only flush test file, the raw file is not important */
- return bdrv_aio_flush(s->test_file->bs, cb, opaque);
-}
-
-static bool blkverify_recurse_is_first_non_filter(BlockDriverState *bs,
- BlockDriverState *candidate)
-{
- BDRVBlkverifyState *s = bs->opaque;
-
- bool perm = bdrv_recurse_is_first_non_filter(bs->file->bs, candidate);
-
- if (perm) {
- return true;
- }
-
- return bdrv_recurse_is_first_non_filter(s->test_file->bs, candidate);
-}
-
-/* Propagate AioContext changes to ->test_file */
-static void blkverify_detach_aio_context(BlockDriverState *bs)
-{
- BDRVBlkverifyState *s = bs->opaque;
-
- bdrv_detach_aio_context(s->test_file->bs);
-}
-
-static void blkverify_attach_aio_context(BlockDriverState *bs,
- AioContext *new_context)
-{
- BDRVBlkverifyState *s = bs->opaque;
-
- bdrv_attach_aio_context(s->test_file->bs, new_context);
-}
-
-static void blkverify_refresh_filename(BlockDriverState *bs, QDict *options)
-{
- BDRVBlkverifyState *s = bs->opaque;
-
- /* bs->file->bs has already been refreshed */
- bdrv_refresh_filename(s->test_file->bs);
-
- if (bs->file->bs->full_open_options
- && s->test_file->bs->full_open_options)
- {
- QDict *opts = qdict_new();
- qdict_put_obj(opts, "driver", QOBJECT(qstring_from_str("blkverify")));
-
- QINCREF(bs->file->bs->full_open_options);
- qdict_put_obj(opts, "raw", QOBJECT(bs->file->bs->full_open_options));
- QINCREF(s->test_file->bs->full_open_options);
- qdict_put_obj(opts, "test",
- QOBJECT(s->test_file->bs->full_open_options));
-
- bs->full_open_options = opts;
- }
-
- if (bs->file->bs->exact_filename[0]
- && s->test_file->bs->exact_filename[0])
- {
- snprintf(bs->exact_filename, sizeof(bs->exact_filename),
- "blkverify:%s:%s",
- bs->file->bs->exact_filename,
- s->test_file->bs->exact_filename);
- }
-}
-
-static BlockDriver bdrv_blkverify = {
- .format_name = "blkverify",
- .protocol_name = "blkverify",
- .instance_size = sizeof(BDRVBlkverifyState),
-
- .bdrv_parse_filename = blkverify_parse_filename,
- .bdrv_file_open = blkverify_open,
- .bdrv_close = blkverify_close,
- .bdrv_getlength = blkverify_getlength,
- .bdrv_refresh_filename = blkverify_refresh_filename,
-
- .bdrv_aio_readv = blkverify_aio_readv,
- .bdrv_aio_writev = blkverify_aio_writev,
- .bdrv_aio_flush = blkverify_aio_flush,
-
- .bdrv_attach_aio_context = blkverify_attach_aio_context,
- .bdrv_detach_aio_context = blkverify_detach_aio_context,
-
- .is_filter = true,
- .bdrv_recurse_is_first_non_filter = blkverify_recurse_is_first_non_filter,
-};
-
-static void bdrv_blkverify_init(void)
-{
- bdrv_register(&bdrv_blkverify);
-}
-
-block_init(bdrv_blkverify_init);