Add namespace list option for all namespaces

Add flag to toggle CNS from 2 to 0x10, showing either active namespaces
or all namespaces.

Signed-off-by: root <root@polestar>

diff --git a/nvme.c b/nvme.c
index f9d54d36dc61bcbf362eed4fcce60163630c52c7..7795706982dced25ab8b068b69225c307a4aafc8 100644 (file)
--- a/nvme.c
+++ b/nvme.c
@@ -1352,12 +1352,14 @@ static int list_ns(int argc, char **argv)
 {
        const char *desc = "list-ns: for the specified device, show the "\
                "namespace list (optionally starting with a given namespace)";
-       const char *namespace_id = "namespace to start with";
+       const char *namespace_id = "namespace to start after";
+       const char *all = "show all namespaces in the subsystem, whether attached or inactive";
        int err, i;
        __u32 ns_list[1024];
 
        struct config {
                __u32 namespace_id;
+               __u8  all;
        };
        struct config cfg;
 
@@ -1368,6 +1370,8 @@ static int list_ns(int argc, char **argv)
        const struct argconfig_commandline_options command_line_options[] = {
                {"namespace-id", "NUM",  CFG_POSITIVE, &defaults.namespace_id, required_argument, namespace_id},
                {"n",            "NUM",  CFG_POSITIVE, &defaults.namespace_id, required_argument, namespace_id},
+               {"all",          "",     CFG_NONE,     &defaults.all,          no_argument,       all},
+               {"a",            "",     CFG_NONE,     &defaults.all,          no_argument,       all},
                {0}
        };
 
@@ -1376,7 +1380,7 @@ static int list_ns(int argc, char **argv)
 
        get_dev(1, argc, argv);
 
-       err = identify(cfg.namespace_id, ns_list, 2);
+       err = identify(cfg.namespace_id, ns_list, cfg.all ? 0x10 : 2);
        if (!err) {
                for (i = 0; i < 1024; i++)
                        if (ns_list[i])