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authorAlex Bennée2021-02-13 14:03:04 +0100
committerAlex Bennée2021-02-18 09:16:50 +0100
commitb853a79f6530fbccdb65639b6e5a94f71dcd5050 (patch)
tree4546991230a8f4a6c1e09823cba92f74e8ca6467 /plugins
parenthw/virtio/pci: include vdev name in registered PCI sections (diff)
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plugins: add API to return a name for a IO device
This may well end up being anonymous but it should always be unique. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Clement Deschamps <clement.deschamps@greensocs.com> Reviewed-by: Emilio G. Cota <cota@braap.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210213130325.14781-3-alex.bennee@linaro.org>
Diffstat (limited to 'plugins')
-rw-r--r--plugins/api.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/plugins/api.c b/plugins/api.c
index bbdc5a4eb4..5dc8e6f934 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;
}
+const char *qemu_plugin_hwaddr_device_name(const struct qemu_plugin_hwaddr *h)
+{
+#ifdef CONFIG_SOFTMMU
+ if (h && h->is_io) {
+ MemoryRegionSection *mrs = h->v.io.section;
+ if (!mrs->mr->name) {
+ unsigned long maddr = 0xffffffff & (uintptr_t) mrs->mr;
+ g_autofree char *temp = g_strdup_printf("anon%08lx", maddr);
+ return g_intern_string(temp);
+ } else {
+ return g_intern_string(mrs->mr->name);
+ }
+ } else {
+ return g_intern_static_string("RAM");
+ }
+#else
+ return g_intern_static_string("Invalid");
+#endif
+}
+
/*
* Queries to the number and potential maximum number of vCPUs there
* will be. This helps the plugin dimension per-vcpu arrays.