qxl: add guestdebug propertyspice.kvm.v18

2 files changed, 6 insertions, 1 deletions

diff --git a/hw/qxl.c b/hw/qxl.c
index 991858e33..63a96e884 100644
--- a/hw/qxl.c
+++ b/hw/qxl.c
@@ -140,6 +140,7 @@ static void init_qxl_rom(PCIQXLDevice *d)
 
     rom->magic         = cpu_to_le32(QXL_ROM_MAGIC);
     rom->id            = cpu_to_le32(d->id);
+    rom->log_level     = cpu_to_le32(d->guestdebug);
     rom->modes_offset  = cpu_to_le32(sizeof(QXLRom));
 
     rom->slot_gen_bits = MEMSLOT_GENERATION_BITS;
@@ -920,7 +921,9 @@ static void ioport_write(void *opaque, uint32_t addr, uint32_t val)
         qxl_set_mode(d, val);
         break;
     case QXL_IO_LOG:
-        dprint(d, 1, "log %s", d->ram->log_buf);
+        if (d->guestdebug) {
+            fprintf(stderr, "qxl/guest: %s", d->ram->log_buf);
+        }
         break;
     case QXL_IO_RESET:
         dprint(d, 1, "QXL_IO_RESET\n");
@@ -1500,6 +1503,7 @@ static PCIDeviceInfo qxl_info = {
         DEFINE_PROP_UINT32("vram_size", PCIQXLDevice, vram_size, 64 * 1024 * 1024),
         DEFINE_PROP_UINT32("revision", PCIQXLDevice, revision, 2),
         DEFINE_PROP_UINT32("debug", PCIQXLDevice, debug, 0),
+        DEFINE_PROP_UINT32("guestdebug", PCIQXLDevice, guestdebug, 0),
         DEFINE_PROP_UINT32("cmdlog", PCIQXLDevice, cmdlog, 0),
         DEFINE_PROP_END_OF_LIST(),
     }
diff --git a/hw/qxl.h b/hw/qxl.h
index 91fef4855..8c0c92801 100644
--- a/hw/qxl.h
+++ b/hw/qxl.h
@@ -18,6 +18,7 @@ typedef struct PCIQXLDevice {
     SimpleSpiceDisplay ssd;
     int                id;
     uint32_t           debug;
+    uint32_t           guestdebug;
     uint32_t           cmdlog;
     enum qxl_mode      mode;
     uint32_t           cmdflags;