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authorKevin Wolf <kwolf@redhat.com>2016-12-08 14:23:09 +0100
committerJeff Cody <jcody@redhat.com>2017-02-21 10:37:16 -0500
commit81aa2a0fb575df682c8ab4661287b24aba74d1f8 (patch)
treeeed4119be2660a6ff88034bf16132fcf6e371db7 /block
parentd4e799292c537789e5c9fee3a3e65ead37c5a302 (diff)
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iscsi: Add header-digest option
This was previously only available with -iscsi. Again, after this patch, the -iscsi option only takes effect if an URL is given. New users are supposed to use the new driver-specific option. Reviewed-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Jeff Cody <jcody@redhat.com>
Diffstat (limited to 'block')
-rw-r--r--block/iscsi.c39
1 files changed, 15 insertions, 24 deletions
diff --git a/block/iscsi.c b/block/iscsi.c
index 6db5615..11bbb93 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -1283,32 +1283,15 @@ static void apply_chap(struct iscsi_context *iscsi, QemuOpts *opts,
g_free(secret);
}
-static void parse_header_digest(struct iscsi_context *iscsi, const char *target,
+static void apply_header_digest(struct iscsi_context *iscsi, QemuOpts *opts,
Error **errp)
{
- QemuOptsList *list;
- QemuOpts *opts;
const char *digest = NULL;
- list = qemu_find_opts("iscsi");
- if (!list) {
- return;
- }
-
- opts = qemu_opts_find(list, target);
- if (opts == NULL) {
- opts = QTAILQ_FIRST(&list->head);
- if (!opts) {
- return;
- }
- }
-
digest = qemu_opt_get(opts, "header-digest");
if (!digest) {
- return;
- }
-
- if (!strcmp(digest, "CRC32C")) {
+ iscsi_set_header_digest(iscsi, ISCSI_HEADER_DIGEST_NONE_CRC32C);
+ } else if (!strcmp(digest, "CRC32C")) {
iscsi_set_header_digest(iscsi, ISCSI_HEADER_DIGEST_CRC32C);
} else if (!strcmp(digest, "NONE")) {
iscsi_set_header_digest(iscsi, ISCSI_HEADER_DIGEST_NONE);
@@ -1578,7 +1561,8 @@ static void iscsi_parse_iscsi_option(const char *target, QDict *options)
{
QemuOptsList *list;
QemuOpts *opts;
- const char *user, *password, *password_secret, *initiator_name;
+ const char *user, *password, *password_secret, *initiator_name,
+ *header_digest;
list = qemu_find_opts("iscsi");
if (!list) {
@@ -1612,6 +1596,11 @@ static void iscsi_parse_iscsi_option(const char *target, QDict *options)
if (initiator_name) {
qdict_set_default_str(options, "initiator-name", initiator_name);
}
+
+ header_digest = qemu_opt_get(opts, "header-digest");
+ if (header_digest) {
+ qdict_set_default_str(options, "header-digest", header_digest);
+ }
}
/*
@@ -1704,6 +1693,10 @@ static QemuOptsList runtime_opts = {
.name = "initiator-name",
.type = QEMU_OPT_STRING,
},
+ {
+ .name = "header-digest",
+ .type = QEMU_OPT_STRING,
+ },
{ /* end of list */ }
},
};
@@ -1795,10 +1788,8 @@ static int iscsi_open(BlockDriverState *bs, QDict *options, int flags,
goto out;
}
- iscsi_set_header_digest(iscsi, ISCSI_HEADER_DIGEST_NONE_CRC32C);
-
/* check if we got HEADER_DIGEST via the options */
- parse_header_digest(iscsi, target, &local_err);
+ apply_header_digest(iscsi, opts, &local_err);
if (local_err != NULL) {
error_propagate(errp, local_err);
ret = -EINVAL;