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Signed-off-by: Alex Benn=C3=A9e [r-b provisional given change to g_intern_string] Reviewed-by: Clement Deschamps Reviewed-by: Emilio G. Cota --- v3 - return a non-freeable const g_intern_string() - checkpatch cleanups --- include/qemu/qemu-plugin.h | 6 ++++++ plugins/api.c | 20 ++++++++++++++++++++ 2 files changed, 26 insertions(+) diff --git a/include/qemu/qemu-plugin.h b/include/qemu/qemu-plugin.h index bab8b0d4b3af..c98c18d6b052 100644 --- a/include/qemu/qemu-plugin.h +++ b/include/qemu/qemu-plugin.h @@ -335,6 +335,12 @@ struct qemu_plugin_hwaddr *qemu_plugin_get_hwaddr(qemu= _plugin_meminfo_t info, bool qemu_plugin_hwaddr_is_io(const struct qemu_plugin_hwaddr *haddr); uint64_t qemu_plugin_hwaddr_device_offset(const struct qemu_plugin_hwaddr = *haddr); =20 +/* + * Returns a string representing the device. The string is valid for + * the lifetime of the plugin. + */ +const char *qemu_plugin_hwaddr_device_name(const struct qemu_plugin_hwaddr= *h); + typedef void (*qemu_plugin_vcpu_mem_cb_t)(unsigned int vcpu_index, qemu_plugin_meminfo_t info, uint64_t vaddr, diff --git a/plugins/api.c b/plugins/api.c index bbdc5a4eb46d..4304e63f0cf8 100644 --- a/plugins/api.c +++ b/plugins/api.c @@ -303,6 +303,26 @@ uint64_t qemu_plugin_hwaddr_device_offset(const struct= qemu_plugin_hwaddr *haddr return 0; } =20 +const char *qemu_plugin_hwaddr_device_name(const struct qemu_plugin_hwaddr= *h) +{ +#ifdef CONFIG_SOFTMMU + if (h && h->is_io) { + MemoryRegionSection *mrs =3D h->v.io.section; + if (!mrs->mr->name) { + unsigned long maddr =3D 0xffffffff & (uintptr_t) mrs->mr; + g_autofree char *temp =3D g_strdup_printf("anon%08lx", maddr); + return g_intern_string(temp); + } else { + return g_intern_string(mrs->mr->name); + } + } else { + return g_intern_string("RAM"); + } +#else + return g_intern_string("Invalid"); +#endif +} + /* * Queries to the number and potential maximum number of vCPUs there * will be. This helps the plugin dimension per-vcpu arrays. --=20 2.20.1