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plugin: expand the plugin_init function to include an info block
This provides a limited amount of info to plugins about the guest system that will allow them to make some additional decisions on setup. Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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parent
26fffe29c0
commit
5901b2e15b
2 changed files with 43 additions and 6 deletions
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@ -28,6 +28,10 @@
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#include "hw/core/cpu.h"
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#include "cpu.h"
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#include "exec/exec-all.h"
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#ifndef CONFIG_USER_ONLY
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#include "hw/boards.h"
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#endif
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#include "plugin.h"
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/*
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@ -58,7 +62,7 @@ QemuOptsList qemu_plugin_opts = {
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},
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};
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typedef int (*qemu_plugin_install_func_t)(qemu_plugin_id_t, int, char **);
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typedef int (*qemu_plugin_install_func_t)(qemu_plugin_id_t, const qemu_info_t *, int, char **);
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extern struct qemu_plugin_state plugin;
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@ -145,7 +149,7 @@ static uint64_t xorshift64star(uint64_t x)
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return x * UINT64_C(2685821657736338717);
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}
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static int plugin_load(struct qemu_plugin_desc *desc)
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static int plugin_load(struct qemu_plugin_desc *desc, const qemu_info_t *info)
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{
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qemu_plugin_install_func_t install;
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struct qemu_plugin_ctx *ctx;
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@ -193,7 +197,7 @@ static int plugin_load(struct qemu_plugin_desc *desc)
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}
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QTAILQ_INSERT_TAIL(&plugin.ctxs, ctx, entry);
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ctx->installing = true;
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rc = install(ctx->id, desc->argc, desc->argv);
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rc = install(ctx->id, info, desc->argc, desc->argv);
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ctx->installing = false;
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if (rc) {
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error_report("%s: qemu_plugin_install returned error code %d",
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@ -241,11 +245,22 @@ static void plugin_desc_free(struct qemu_plugin_desc *desc)
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int qemu_plugin_load_list(QemuPluginList *head)
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{
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struct qemu_plugin_desc *desc, *next;
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g_autofree qemu_info_t *info = g_new0(qemu_info_t, 1);
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info->target_name = TARGET_NAME;
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#ifndef CONFIG_USER_ONLY
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MachineState *ms = MACHINE(qdev_get_machine());
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info->system_emulation = true;
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info->system.smp_vcpus = ms->smp.cpus;
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info->system.max_vcpus = ms->smp.max_cpus;
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#else
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info->system_emulation = false;
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#endif
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QTAILQ_FOREACH_SAFE(desc, head, entry, next) {
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int err;
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err = plugin_load(desc);
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err = plugin_load(desc, info);
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if (err) {
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return err;
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}
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