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plugins: remove previous n_vcpus functions from API

Browse source 
This information is already accessible using qemu_info_t during plugin
install.

We will introduce another function (qemu_plugin_num_vcpus) which
represent how many cpus were enabled, by tracking new cpu indexes.

It's a breaking change, so we bump API version.

Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240213094009.150349-2-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240227144335.1196131-16-alex.bennee@linaro.org>
This commit is contained in:
Pierrick Bouvier 2024-02-27 14:43:21 +00:00 • committed by Alex Bennée
parent eb37086fb0
commit 926e146eff
5 changed files with 5 additions and 41 deletions
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30
plugins/api.c
View file

@ -342,36 +342,6 @@ const char *qemu_plugin_hwaddr_device_name(const struct qemu_plugin_hwaddr *h)
#endif
}
/*
* Queries to the number and potential maximum number of vCPUs there
* will be. This helps the plugin dimension per-vcpu arrays.
*/
#ifndef CONFIG_USER_ONLY
static MachineState * get_ms(void)
{
return MACHINE(qdev_get_machine());
}
#endif
int qemu_plugin_n_vcpus(void)
{
#ifdef CONFIG_USER_ONLY
return -1;
#else
return get_ms()->smp.cpus;
#endif
}
int qemu_plugin_n_max_vcpus(void)
{
#ifdef CONFIG_USER_ONLY
return -1;
#else
return get_ms()->smp.max_cpus;
#endif
}
/*
* Plugin output
*/

2
plugins/plugin.h
View file

@ -15,7 +15,7 @@
#include <gmodule.h>
#include "qemu/qht.h"
#define QEMU_PLUGIN_MIN_VERSION 0
#define QEMU_PLUGIN_MIN_VERSION 2
/* global state */
struct qemu_plugin_state {

2
plugins/qemu-plugins.symbols
View file

@ -16,8 +16,6 @@
qemu_plugin_mem_is_sign_extended;
qemu_plugin_mem_is_store;
qemu_plugin_mem_size_shift;
qemu_plugin_n_max_vcpus;
qemu_plugin_n_vcpus;
qemu_plugin_outs;
qemu_plugin_path_to_binary;
qemu_plugin_register_atexit_cb;