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virtio-pci: add notification trace points

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Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200925125147.26943-6-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220321153037.3622127-3-alex.bennee@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Alex Bennée 2022-03-21 15:30:26 +00:00 committed by Michael S. Tsirkin
parent e1b1f5341a
commit 31cc62bb5b
2 changed files with 9 additions and 1 deletions
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7
hw/virtio/trace-events
View File

@ -89,7 +89,12 @@ 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_system_reset(void) "system reset!"
virtio_iommu_get_features(uint64_t features) "device supports features=0x%"PRIx64

3
hw/virtio/virtio-pci.c
View File

@ -38,6 +38,7 @@
#include "hw/virtio/virtio-bus.h"
#include "qapi/visitor.h"
#include "sysemu/replay.h"
#include "trace.h"
#define VIRTIO_PCI_REGION_SIZE(dev) VIRTIO_PCI_CONFIG_OFF(msix_present(dev))
@ -1380,6 +1381,7 @@ 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);
}
}
@ -1393,6 +1395,7 @@ 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);
}
}