[RFC PATCH 05/19] virtio-pci: add notification trace points

[Alex Bennée <alex.bennee@xxxxxxxxxx>]

Signed-off-by: Alex Bennée <alex.bennee@xxxxxxxxxx>
---
 hw/virtio/virtio-pci.c | 3 +++
 hw/virtio/trace-events | 7 ++++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 507cb57c410f..33a40e31d955 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -36,6 +36,7 @@
 #include "qemu/range.h"
 #include "hw/virtio/virtio-bus.h"
 #include "qapi/visitor.h"
+#include "trace.h"
 
 #define VIRTIO_PCI_REGION_SIZE(dev)     VIRTIO_PCI_CONFIG_OFF(msix_present(dev))
 
@@ -1340,6 +1341,7 @@ static void virtio_pci_notify_write(void *opaque, hwaddr addr,
     unsigned queue = addr / virtio_pci_queue_mem_mult(proxy);
 
     if (vdev != NULL && queue < VIRTIO_QUEUE_MAX) {
+        trace_virtio_pci_notify_write(addr, val, size);
         virtio_queue_notify(vdev, queue);
     }
 }
@@ -1353,6 +1355,7 @@ static void virtio_pci_notify_write_pio(void *opaque, hwaddr addr,
     unsigned queue = val;
 
     if (vdev != NULL && queue < VIRTIO_QUEUE_MAX) {
+        trace_virtio_pci_notify_write_pio(addr, val, size);
         virtio_queue_notify(vdev, queue);
     }
 }
diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events
index 845200bf109d..189972b9213a 100644
--- a/hw/virtio/trace-events
+++ b/hw/virtio/trace-events
@@ -55,7 +55,12 @@ virtio_mmio_guest_page(uint64_t size, int shift) "guest page size 0x%" PRIx64 "
 virtio_mmio_queue_write(uint64_t value, int max_size) "mmio_queue write 0x%" PRIx64 " max %d"
 virtio_mmio_setting_irq(int level) "virtio_mmio setting IRQ %d"
 
-# virtio-iommu.c
+# virtio-pci.c
+virtio_pci_notify(uint16_t vector) "virtio_pci_notify vec 0x%x"
+virtio_pci_notify_write(uint64_t addr, uint64_t val, unsigned int size) "0x%" PRIx64" = 0x%" PRIx64 " (%d)"
+virtio_pci_notify_write_pio(uint64_t addr, uint64_t val, unsigned int size) "0x%" PRIx64" = 0x%" PRIx64 " (%d)"
+
+# hw/virtio/virtio-iommu.c
 virtio_iommu_device_reset(void) "reset!"
 virtio_iommu_get_features(uint64_t features) "device supports features=0x%"PRIx64
 virtio_iommu_device_status(uint8_t status) "driver status = %d"
-- 
2.20.1

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