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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/skiboot/external/opal-prd/module.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/skiboot/external/opal-prd/module.c')
-rw-r--r--roms/skiboot/external/opal-prd/module.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/roms/skiboot/external/opal-prd/module.c b/roms/skiboot/external/opal-prd/module.c
new file mode 100644
index 000000000..9c9c0af84
--- /dev/null
+++ b/roms/skiboot/external/opal-prd/module.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+/*
+ * Load kernel modules needed for opal-prd
+ *
+ * Copyright 2015 IBM Corp.
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <err.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include "module.h"
+#include "opal-prd.h"
+
+int insert_module(const char *module)
+{
+ int status;
+ pid_t pid;
+
+ pid = fork();
+ if (!pid) {
+ execlp("modprobe", "modprobe", module, NULL);
+ err(EXIT_FAILURE, "Failed to run modprobe");
+ }
+
+ pid = waitpid(pid, &status, 0);
+ if (pid < 0) {
+ pr_log(LOG_ERR, "KMOD: waitpid failed for "
+ "modprobe process: %m");
+ return -1;
+ }
+
+ if (!WIFEXITED(status)) {
+ pr_log(LOG_WARNING, "KMOD: modprobe %s: process didn't "
+ "exit cleanly", module);
+ return -1;
+ }
+
+ if (WEXITSTATUS(status) != 0) {
+ pr_log(LOG_WARNING, "KMOD: modprobe %s failed, status %d",
+ module, WEXITSTATUS(status));
+ return -1;
+ }
+
+ return 0;
+}
+