From: Gerd Hoffmann <kraxel@redhat.com>
Date: Fri, 17 Oct 2025 11:50:04 +0000 (+0200)
Subject: hw/uefi: add 'info firmware-log' hmp monitor command.
X-Git-Tag: v10.2.0-rc1~52^2~1
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c8aa8120313fc7770900de13b657dacb7dc77a95;p=thirdparty%2Fqemu.git

hw/uefi: add 'info firmware-log' hmp monitor command.

This adds the hmp variant of the query-firmware-log qmp command.

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-ID: <20251017115006.2696991-3-kraxel@redhat.com>
---

diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx
index 25b4aed51f..33cf740bbc 100644
--- a/hmp-commands-info.hx
+++ b/hmp-commands-info.hx
@@ -995,3 +995,16 @@ SRST
   ``info cryptodev``
     Show the crypto devices.
 ERST
+
+    {
+        .name       = "firmware-log",
+        .args_type  = "",
+        .params     = "",
+        .help       = "show the firmware (ovmf) debug log",
+        .cmd        = hmp_info_firmware_log,
+    },
+
+SRST
+  ``info firmware-log``
+    Show the firmware (ovmf) debug log.
+ERST
diff --git a/hw/uefi/ovmf-log.c b/hw/uefi/ovmf-log.c
index 0d4bd503a0..fe8acbd192 100644
--- a/hw/uefi/ovmf-log.c
+++ b/hw/uefi/ovmf-log.c
@@ -231,3 +231,30 @@ FirmwareLog *qmp_query_firmware_log(Error **errp)
     ret->log = g_base64_encode((const guchar *)log->str, log->len);
     return ret;
 }
+
+void hmp_info_firmware_log(Monitor *mon, const QDict *qdict)
+{
+    g_autofree gchar *log_esc = NULL;
+    g_autofree guchar *log_out = NULL;
+    Error *err = NULL;
+    FirmwareLog *log;
+    gsize log_len;
+
+    log = qmp_query_firmware_log(&err);
+    if (err)  {
+        hmp_handle_error(mon, err);
+        return;
+    }
+
+    g_assert(log != NULL);
+    g_assert(log->log != NULL);
+
+    if (log->version) {
+        g_autofree gchar *esc = g_strescape(log->version, NULL);
+        monitor_printf(mon, "[ firmware version: %s ]\n", esc);
+    }
+
+    log_out = g_base64_decode(log->log, &log_len);
+    log_esc = g_strescape((gchar *)log_out, "\r\n");
+    monitor_printf(mon, "%s\n", log_esc);
+}
diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h
index 897dfaa2b6..83721b5ffc 100644
--- a/include/monitor/hmp.h
+++ b/include/monitor/hmp.h
@@ -179,5 +179,6 @@ void hmp_boot_set(Monitor *mon, const QDict *qdict);
 void hmp_info_mtree(Monitor *mon, const QDict *qdict);
 void hmp_info_cryptodev(Monitor *mon, const QDict *qdict);
 void hmp_dumpdtb(Monitor *mon, const QDict *qdict);
+void hmp_info_firmware_log(Monitor *mon, const QDict *qdict);
 
 #endif