nvme: allow to overwrite hostnqn and hostid

In order to be able to test the topology scan code, allow hostnqn and hostid to be controlled via an environment variable. This is just for testing purposes, thus don't mention it. Signed-off-by: Daniel Wagner <[email protected]>
linux-nvme · Feb 2, 2024 · dfb421a · dfb421a
1 parent 11a0918
commit dfb421a
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/src/nvme/fabrics.c b/src/nvme/fabrics.c
@@ -1416,11 +1416,21 @@ static char *nvmf_read_file(const char *f, int len)
 
 char *nvmf_hostnqn_from_file()
 {
+	char *hostnqn = getenv("LIBNVME_HOSTNQN");
+
+	if (hostnqn)
+		return strdup(hostnqn);
+
 	return nvmf_read_file(NVMF_HOSTNQN_FILE, NVMF_NQN_SIZE);
 }
 
 char *nvmf_hostid_from_file()
 {
+	char *hostid = getenv("LIBNVME_HOSTID");
+
+	if (hostid)
+		return strdup(hostid);
+
 	return nvmf_read_file(NVMF_HOSTID_FILE, NVMF_HOSTID_SIZE);
 }