Commit 32138357 authored Feb 07, 2017 by Peter Xu Committed by Michael S. Tsirkin Feb 17, 2017

vfio: trace map/unmap for notify as well



We traces its range, but we don't know whether it's a MAP/UNMAP. Let's
dump it as well.

Acked-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

parent d4e9b75a

hw/vfio/common.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -305,7 +305,8 @@ static void vfio_iommu_map_notify(IOMMUNotifier n, IOMMUTLBEntry iotlb)
		void *vaddr;
		int ret;

		trace_vfio_iommu_map_notify(iova, iova + iotlb->addr_mask);
		trace_vfio_iommu_map_notify(iotlb->perm == IOMMU_NONE ? "UNMAP" : "MAP",
		iova, iova + iotlb->addr_mask);

		if (iotlb->target_as != &address_space_memory) {
		error_report("Wrong target AS \"%s\", only system memory is allowed",

hw/vfio/trace-events

+1 −1

Original line number	Diff line number	Diff line
		@@ -84,7 +84,7 @@ vfio_pci_igd_lpc_bridge_enabled(const char *name) "%s"
		# hw/vfio/common.c
		vfio_region_write(const char *name, int index, uint64_t addr, uint64_t data, unsigned size) " (%s:region%d+0x%"PRIx64", 0x%"PRIx64 ", %d)"
		vfio_region_read(char *name, int index, uint64_t addr, unsigned size, uint64_t data) " (%s:region%d+0x%"PRIx64", %d) = 0x%"PRIx64
		vfio_iommu_map_notify(uint64_t iova_start, uint64_t iova_end) "iommu map @ %"PRIx64" - %"PRIx64
		vfio_iommu_map_notify(const char *op, uint64_t iova_start, uint64_t iova_end) "iommu %s @ %"PRIx64" - %"PRIx64
		vfio_listener_region_add_skip(uint64_t start, uint64_t end) "SKIPPING region_add %"PRIx64" - %"PRIx64
		vfio_listener_region_add_iommu(uint64_t start, uint64_t end) "region_add [iommu] %"PRIx64" - %"PRIx64
		vfio_listener_region_add_ram(uint64_t iova_start, uint64_t iova_end, void *vaddr) "region_add [ram] %"PRIx64" - %"PRIx64" [%p]"