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[Qemu-devel] [PATCH v4 44/54] vl: support -plugin option
From: |
Alex Bennée |
Subject: |
[Qemu-devel] [PATCH v4 44/54] vl: support -plugin option |
Date: |
Wed, 31 Jul 2019 17:07:09 +0100 |
From: Lluís Vilanova <address@hidden>
Signed-off-by: Lluís Vilanova <address@hidden>
[ cota: s/instrument/plugin ]
Signed-off-by: Emilio G. Cota <address@hidden>
Reviewed-by: Richard Henderson <address@hidden>
Signed-off-by: Alex Bennée <address@hidden>
---
qemu-options.hx | 17 +++++++++++++++++
vl.c | 11 +++++++++++
2 files changed, 28 insertions(+)
diff --git a/qemu-options.hx b/qemu-options.hx
index 9621e934c0b..7b438f61734 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -4131,6 +4131,23 @@ HXCOMM HX does not support conditional compilation of
text.
@findex -trace
@include qemu-option-trace.texi
ETEXI
+DEF("plugin", HAS_ARG, QEMU_OPTION_plugin,
+ "-plugin [file=]<file>[,arg=<string>]\n"
+ " load a plugin\n",
+ QEMU_ARCH_ALL)
+STEXI
+@item -plugin file=@var{file}[,arg=@var{string}]
+@findex -plugin
+
+Load a plugin.
+
+@table @option
+@item file=@var{file}
+Load the given plugin from a shared library file.
+@item arg=@var{string}
+Argument string passed to the plugin. (Can be given multiple times.)
+@end table
+ETEXI
HXCOMM Internal use
DEF("qtest", HAS_ARG, QEMU_OPTION_qtest, "", QEMU_ARCH_ALL)
diff --git a/vl.c b/vl.c
index b426b321346..bb62989f776 100644
--- a/vl.c
+++ b/vl.c
@@ -109,6 +109,7 @@ int main(int argc, char **argv)
#include "trace-root.h"
#include "trace/control.h"
+#include "qemu/plugin.h"
#include "qemu/queue.h"
#include "sysemu/arch_init.h"
@@ -2889,6 +2890,7 @@ int main(int argc, char **argv, char **envp)
bool list_data_dirs = false;
char *dir, **dirs;
BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
+ QemuPluginList plugin_list = QTAILQ_HEAD_INITIALIZER(plugin_list);
os_set_line_buffering();
@@ -2919,6 +2921,7 @@ int main(int argc, char **argv, char **envp)
qemu_add_opts(&qemu_global_opts);
qemu_add_opts(&qemu_mon_opts);
qemu_add_opts(&qemu_trace_opts);
+ qemu_plugin_add_opts();
qemu_add_opts(&qemu_option_rom_opts);
qemu_add_opts(&qemu_machine_opts);
qemu_add_opts(&qemu_accel_opts);
@@ -3697,6 +3700,9 @@ int main(int argc, char **argv, char **envp)
g_free(trace_file);
trace_file = trace_opt_parse(optarg);
break;
+ case QEMU_OPTION_plugin:
+ qemu_plugin_opt_parse(optarg, &plugin_list);
+ break;
case QEMU_OPTION_readconfig:
{
int ret = qemu_read_config_file(optarg);
@@ -4010,6 +4016,11 @@ int main(int argc, char **argv, char **envp)
machine_class->default_machine_opts, 0);
}
+ /* process plugin before CPUs are created, but once -smp has been parsed */
+ if (qemu_plugin_load_list(&plugin_list)) {
+ exit(1);
+ }
+
qemu_opts_foreach(qemu_find_opts("device"),
default_driver_check, NULL, NULL);
qemu_opts_foreach(qemu_find_opts("global"),
--
2.20.1
- [Qemu-devel] [PATCH v4 24/54] plugins: implement helpers for resolving hwaddr, (continued)
- [Qemu-devel] [PATCH v4 24/54] plugins: implement helpers for resolving hwaddr, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 48/54] tests/plugin: add a hotblocks plugin, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 35/54] target/hppa: fetch code with translator_ld, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 46/54] tests/plugin: add sample plugins, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 26/54] *-user: notify plugin of exit, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 16/54] queue: add QTAILQ_REMOVE_SEVERAL, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 43/54] plugin: add API symbols to qemu-plugins.symbols, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 21/54] atomic_template: fix indentation in GEN_ATOMIC_HELPER, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 28/54] cpu: hook plugin vcpu events, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 37/54] target/alpha: fetch code with translator_ld, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 44/54] vl: support -plugin option,
Alex Bennée <=
- [Qemu-devel] [PATCH v4 32/54] target/ppc: fetch code with translator_ld, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 22/54] atomic_template: add inline trace/plugin helpers, Alex Bennée, 2019/07/31
- Re: [Qemu-devel] [PATCH v4 00/54] plugins for TCG, no-reply, 2019/07/31