mirror of https://gitlab.com/qemu-project/qemu
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
/*
|
|
* Copyright (c) 2025 Linaro Ltd
|
|
*
|
|
* Test the reset/uninstall cycle of a plugin.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
#include <glib.h>
|
|
|
|
#include <qemu-plugin.h>
|
|
|
|
QEMU_PLUGIN_EXPORT int qemu_plugin_version = QEMU_PLUGIN_VERSION;
|
|
static qemu_plugin_id_t plugin_id;
|
|
static bool was_reset;
|
|
static bool was_uninstalled;
|
|
|
|
static void after_uninstall(qemu_plugin_id_t id)
|
|
{
|
|
g_assert(was_reset && !was_uninstalled);
|
|
qemu_plugin_outs("uninstall done\n");
|
|
was_uninstalled = true;
|
|
}
|
|
|
|
static void tb_exec_after_reset(unsigned int vcpu_index, void *userdata)
|
|
{
|
|
g_assert(was_reset && !was_uninstalled);
|
|
qemu_plugin_uninstall(plugin_id, after_uninstall);
|
|
}
|
|
|
|
static void tb_trans_after_reset(qemu_plugin_id_t id, struct qemu_plugin_tb *tb)
|
|
{
|
|
g_assert(was_reset && !was_uninstalled);
|
|
qemu_plugin_register_vcpu_tb_exec_cb(tb, tb_exec_after_reset,
|
|
QEMU_PLUGIN_CB_NO_REGS, NULL);
|
|
}
|
|
|
|
static void after_reset(qemu_plugin_id_t id)
|
|
{
|
|
g_assert(!was_reset && !was_uninstalled);
|
|
qemu_plugin_outs("reset done\n");
|
|
was_reset = true;
|
|
qemu_plugin_register_vcpu_tb_trans_cb(id, tb_trans_after_reset);
|
|
}
|
|
|
|
static void tb_exec_before_reset(unsigned int vcpu_index, void *userdata)
|
|
{
|
|
g_assert(!was_reset && !was_uninstalled);
|
|
qemu_plugin_reset(plugin_id, after_reset);
|
|
}
|
|
|
|
static void tb_trans_before_reset(qemu_plugin_id_t id, struct qemu_plugin_tb *tb)
|
|
{
|
|
g_assert(!was_reset && !was_uninstalled);
|
|
qemu_plugin_register_vcpu_tb_exec_cb(tb, tb_exec_before_reset,
|
|
QEMU_PLUGIN_CB_NO_REGS, NULL);
|
|
}
|
|
|
|
QEMU_PLUGIN_EXPORT int qemu_plugin_install(qemu_plugin_id_t id,
|
|
const qemu_info_t *info,
|
|
int argc, char **argv)
|
|
{
|
|
plugin_id = id;
|
|
qemu_plugin_register_vcpu_tb_trans_cb(id, tb_trans_before_reset);
|
|
return 0;
|
|
}
|
|
|
|
/* Since we uninstall the plugin, we can't use qemu_plugin_register_atexit_cb,
|
|
* so we use destructor attribute instead. */
|
|
static void __attribute__((destructor)) on_plugin_exit(void)
|
|
{
|
|
g_assert(was_reset && was_uninstalled);
|
|
qemu_plugin_outs("plugin exit\n");
|
|
}
|