iscsi: Add blockdev-add support

This adds blockdev-add support for iscsi devices.

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>

1 files changed, 9 insertions, 5 deletions

diff --git a/block/iscsi.c b/block/iscsi.c
index 3adb9b1fbd..c4f813bfd2 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -1291,13 +1291,13 @@ static void apply_header_digest(struct iscsi_context *iscsi, QemuOpts *opts,
     digest = qemu_opt_get(opts, "header-digest");
     if (!digest) {
         iscsi_set_header_digest(iscsi, ISCSI_HEADER_DIGEST_NONE_CRC32C);
-    } else if (!strcmp(digest, "CRC32C")) {
+    } else if (!strcmp(digest, "crc32c")) {
         iscsi_set_header_digest(iscsi, ISCSI_HEADER_DIGEST_CRC32C);
-    } else if (!strcmp(digest, "NONE")) {
+    } else if (!strcmp(digest, "none")) {
         iscsi_set_header_digest(iscsi, ISCSI_HEADER_DIGEST_NONE);
-    } else if (!strcmp(digest, "CRC32C-NONE")) {
+    } else if (!strcmp(digest, "crc32c-none")) {
         iscsi_set_header_digest(iscsi, ISCSI_HEADER_DIGEST_CRC32C_NONE);
-    } else if (!strcmp(digest, "NONE-CRC32C")) {
+    } else if (!strcmp(digest, "none-crc32c")) {
         iscsi_set_header_digest(iscsi, ISCSI_HEADER_DIGEST_NONE_CRC32C);
     } else {
         error_setg(errp, "Invalid header-digest setting : %s", digest);
@@ -1576,7 +1576,11 @@ static void iscsi_parse_iscsi_option(const char *target, QDict *options)
 
     header_digest = qemu_opt_get(opts, "header-digest");
     if (header_digest) {
-        qdict_set_default_str(options, "header-digest", header_digest);
+        /* -iscsi takes upper case values, but QAPI only supports lower case
+         * enum constant names, so we have to convert here. */
+        char *qapi_value = g_ascii_strdown(header_digest, -1);
+        qdict_set_default_str(options, "header-digest", qapi_value);
+        g_free(qapi_value);
     }
 
     timeout = qemu_opt_get(opts, "timeout");