Show prefix (where system configuration files are searched/to be
installed), sysconfdir (where user configuration files are searched),
module compressions, and module signatures supported.
Signed-off-by: Michal Suchanek <[email protected]>
---
v2: mention module signature in commit message
v3: add sysconfdir
---
man/kmod.xml | 6 ++++++
tools/kmod.c | 40 ++++++++++++++++++++++++++++++++++++++++
2 files changed, 46 insertions(+)
diff --git a/man/kmod.xml b/man/kmod.xml
index 0706ad58c2cc..f992a500f836 100644
--- a/man/kmod.xml
+++ b/man/kmod.xml
@@ -71,6 +71,12 @@
<para>Show the help message.</para>
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><command>config</command></term>
+ <listitem>
+ <para>Show compile time options in JSON.</para>
+ </listitem>
+ </varlistentry>
<varlistentry>
<term><command>list</command></term>
<listitem>
diff --git a/tools/kmod.c b/tools/kmod.c
index 55689c075ab1..a684c1d24284 100644
--- a/tools/kmod.c
+++ b/tools/kmod.c
@@ -37,9 +37,11 @@ static const struct option options[] = {
};
static const struct kmod_cmd kmod_cmd_help;
+static const struct kmod_cmd kmod_cmd_config;
static const struct kmod_cmd *kmod_cmds[] = {
&kmod_cmd_help,
+ &kmod_cmd_config,
&kmod_cmd_list,
&kmod_cmd_static_nodes,
@@ -95,6 +97,44 @@ static const struct kmod_cmd kmod_cmd_help = {
.help = "Show help message",
};
+static const char *compressions[] = {
+#ifdef ENABLE_ZSTD
+ "zstd",
+#endif
+#ifdef ENABLE_XZ
+ "xz",
+#endif
+#ifdef ENABLE_ZLIB
+ "gz",
+#endif
+ NULL
+};
+
+static int kmod_config(int argc, char *argv[])
+{
+ unsigned i;
+ printf("{\"prefix\":\"" PREFIX "\""
+ ",\"sysconfdir\":\"" SYSCONFDIR "\""
+ ",\"module_signature\":["
+#ifdef ENABLE_OPENSSL
+ "\"PKCS#7\","
+#endif
+ "\"legacy\"]"
+ ",\"module_compression\":[");
+ for(i = 0; compressions[i]; i++) {
+ printf("%s\"%s\"", i ? "," : "", compressions[i]);
+ }
+ printf("]}\n");
+
+ return EXIT_SUCCESS;
+}
+
+static const struct kmod_cmd kmod_cmd_config = {
+ .name = "config",
+ .cmd = kmod_config,
+ .help = "Show compile time options in JSON",
+};
+
static int handle_kmod_commands(int argc, char *argv[])
{
const char *cmd;
--
2.41.0