fabrics: use hex numbers when generating command line options

The keyclt CLI and /proc/keys show the key ids as hex numbers. This
makes debugging unnessary more complex when comparing what the key ids
from the connect command line with the key store ids.

Signed-off-by: Daniel Wagner <[email protected]>

src/nvme/fabrics.c

@@ -309,6 +309,22 @@ static int __add_bool_argument(char **argstr, char *tok, bool arg)
 	return 0;
 }
 
+static int __add_hex_argument(char **argstr, char *tok, int arg, bool allow_zero)
+{
+	char *nstr;
+
+	if (arg < 0 || (!arg && !allow_zero))
+		return 0;
+	if (asprintf(&nstr, "%s,%s=0x%08x", *argstr, tok, arg) < 0) {
+		errno = ENOMEM;
+		return -1;
+	}
+	free(*argstr);
+	*argstr = nstr;
+
+	return 0;
+}
+
 static int __add_int_argument(char **argstr, char *tok, int arg, bool allow_zero)
 {
 	char *nstr;
@@ -379,6 +395,23 @@ static int __nvmf_supported_options(nvme_root_t r);
 	ret;								\
 })
 
+#define add_hex_argument(r, argstr, tok, arg, allow_zero)		\
+({									\
+	int ret;							\
+	if (nvmf_check_option(r, tok)) {				\
+		ret = __add_hex_argument(argstr,			\
+					stringify(tok),			\
+					arg,				\
+					allow_zero);			\
+	} else {							\
+		nvme_msg(r, LOG_DEBUG,					\
+			 "option \"%s\" ignored\n",			\
+			 stringify(tok));				\
+		ret = 0;						\
+	}								\
+	ret;								\
+})
+
 #define add_int_argument(r, argstr, tok, arg, allow_zero)		\
 ({									\
 	int ret;							\
@@ -648,9 +681,9 @@ static int build_options(nvme_host_t h, nvme_ctrl_t c, char **argstr)
 			      cfg->fast_io_fail_tmo, false)) ||
 	    (strcmp(transport, "loop") &&
 	     add_int_argument(r, argstr, tos, cfg->tos, true)) ||
-	    add_int_argument(r, argstr, keyring, keyring_id, false) ||
+	    add_hex_argument(r, argstr, keyring, keyring_id, false) ||
 	    (!strcmp(transport, "tcp") &&
-	     add_int_argument(r, argstr, tls_key, key_id, false)) ||
+	     add_hex_argument(r, argstr, tls_key, key_id, false)) ||
 	    add_bool_argument(r, argstr, duplicate_connect,
 			      cfg->duplicate_connect) ||
 	    add_bool_argument(r, argstr, disable_sqflow,