13  *   See the COPYING file in the top-level directory.
15  * SPDX-License-Identifier: GPL-2.0-or-later
19 #include "qemu/error-report.h"
20 #include "qemu/config-file.h"
32 #include "qemu/target-info.h"
33 #include "exec/tb-flush.h"
84         if (strcmp(desc->path, path) == 0) {  in plugin_find_desc()
106             error_setg(errp, "requires a non-empty argument");  in plugin_add()
109         p = plugin_find_desc(arg->head, value);  in plugin_add()
112             p->path = g_strdup(value);  in plugin_add()
113             QTAILQ_INSERT_TAIL(arg->head, p, entry);  in plugin_add()
115         arg->curr = p;  in plugin_add()
117         if (arg->curr == NULL) {  in plugin_add()
118             error_setg(errp, "missing earlier '-plugin file=' option");  in plugin_add()
136         p = arg->curr;  in plugin_add()
137         p->argc++;  in plugin_add()
138         p->argv = g_realloc_n(p->argv, p->argc, sizeof(char *));  in plugin_add()
139         p->argv[p->argc - 1] = fullarg;  in plugin_add()
188     ctx->desc = desc;  in plugin_load()
190     ctx->handle = g_module_open(desc->path, G_MODULE_BIND_LOCAL);  in plugin_load()
191     if (ctx->handle == NULL) {  in plugin_load()
192         error_setg(errp, "Could not load plugin %s: %s", desc->path, g_module_error());  in plugin_load()
196     if (!g_module_symbol(ctx->handle, "qemu_plugin_install", &sym)) {  in plugin_load()
197         error_setg(errp, "Could not load plugin %s: %s", desc->path, g_module_error());  in plugin_load()
204                    desc->path);  in plugin_load()
208     if (!g_module_symbol(ctx->handle, "qemu_plugin_version", &sym)) {  in plugin_load()
210                    desc->path, g_module_error());  in plugin_load()
217                        desc->path, version, QEMU_PLUGIN_MIN_VERSION);  in plugin_load()
222                        desc->path, version, QEMU_PLUGIN_VERSION);  in plugin_load()
230     ctx->id = (uint64_t)(uintptr_t)ctx;  in plugin_load()
234         ctx->id = xorshift64star(ctx->id);  in plugin_load()
235         existing = g_hash_table_lookup(plugin.id_ht, &ctx->id);  in plugin_load()
239             success = g_hash_table_insert(plugin.id_ht, &ctx->id, &ctx->id);  in plugin_load()
245     ctx->installing = true;  in plugin_load()
246     rc = install(ctx->id, info, desc->argc, desc->argv);  in plugin_load()
247     ctx->installing = false;  in plugin_load()
250                    desc->path, rc);  in plugin_load()
255         if (!ctx->uninstalling) {  in plugin_load()
256             plugin_reset_uninstall(ctx->id, NULL, false);  in plugin_load()
264     g_module_close(ctx->handle);  in plugin_load()
275     for (i = 0; i < desc->argc; i++) {  in plugin_desc_free()
276         g_free(desc->argv[i]);  in plugin_desc_free()
278     g_free(desc->argv);  in plugin_desc_free()
279     g_free(desc->path);  in plugin_desc_free()
284  * qemu_plugin_load_list - load a list of plugins
297     info->target_name = target_name();  in qemu_plugin_load_list()
298     info->version.min = QEMU_PLUGIN_MIN_VERSION;  in qemu_plugin_load_list()
299     info->version.cur = QEMU_PLUGIN_VERSION;  in qemu_plugin_load_list()
323     struct qemu_plugin_ctx *ctx = data->ctx;  in plugin_reset_destroy__locked()
324     enum qemu_plugin_event ev;  in plugin_reset_destroy__locked()
329      * grace period to elapse, because right now we either are in a "safe async"  in plugin_reset_destroy__locked()
337     if (data->reset) {  in plugin_reset_destroy__locked()
338         g_assert(ctx->resetting);  in plugin_reset_destroy__locked()
339         if (data->cb) {  in plugin_reset_destroy__locked()
340             data->cb(ctx->id);  in plugin_reset_destroy__locked()
342         ctx->resetting = false;  in plugin_reset_destroy__locked()
347     g_assert(ctx->uninstalling);  in plugin_reset_destroy__locked()
349     if (ctx->installing) {  in plugin_reset_destroy__locked()
355     success = g_hash_table_remove(plugin.id_ht, &ctx->id);  in plugin_reset_destroy__locked()
358     if (data->cb) {  in plugin_reset_destroy__locked()
359         data->cb(ctx->id);  in plugin_reset_destroy__locked()
361     if (!g_module_close(ctx->handle)) {  in plugin_reset_destroy__locked()
364     plugin_desc_free(ctx->desc);  in plugin_reset_destroy__locked()
394         if (ctx->uninstalling || (reset && ctx->resetting)) {  in plugin_reset_uninstall()
397         ctx->resetting = reset;  in plugin_reset_uninstall()
398         ctx->uninstalling = !reset;  in plugin_reset_uninstall()
402     data->ctx = ctx;  in plugin_reset_uninstall()
403     data->cb = cb;  in plugin_reset_uninstall()
404     data->reset = reset;  in plugin_reset_uninstall()
407      * current_cpu must be non-NULL.  in plugin_reset_uninstall()