For debugging purpose, trace where a BAR is mapped.
Reviewed-by: Fam Zheng <[email protected]>
Signed-off-by: Philippe Mathieu-Daudé <[email protected]>
---
util/vfio-helpers.c | 2 ++
util/trace-events | 1 +
2 files changed, 3 insertions(+)
diff --git a/util/vfio-helpers.c b/util/vfio-helpers.c
index 4204ce55445..95e010bed6d 100644
--- a/util/vfio-helpers.c
+++ b/util/vfio-helpers.c
@@ -167,6 +167,8 @@ void *qemu_vfio_pci_map_bar(QEMUVFIOState *s, int index,
p = mmap(NULL, MIN(size, s->bar_region_info[index].size - offset),
prot, MAP_SHARED,
s->device, s->bar_region_info[index].offset + offset);
+ trace_qemu_vfio_pci_map_bar(index, s->bar_region_info[index].offset ,
+ size, offset, p);
if (p == MAP_FAILED) {
error_setg_errno(errp, errno, "Failed to map BAR region");
p = NULL;
diff --git a/util/trace-events b/util/trace-events
index a6a541270b7..7c92f2f8c1a 100644
--- a/util/trace-events
+++ b/util/trace-events
@@ -89,3 +89,4 @@ qemu_vfio_iommu_iova_pgsizes(uint64_t iova_pgsizes) "iommu
page size bitmask: 0x
qemu_vfio_pci_read_config(void *buf, int ofs, int size, uint64_t region_ofs,
uint64_t region_size) "read cfg ptr %p ofs 0x%x size %d (region ofs 0x%"PRIx64"
size %"PRId64")"
qemu_vfio_pci_write_config(void *buf, int ofs, int size, uint64_t region_ofs,
uint64_t region_size) "write cfg ptr %p ofs 0x%x size %d (region ofs
0x%"PRIx64" size %"PRId64")"
qemu_vfio_region_info(const char *desc, uint64_t offset, uint64_t size,
uint32_t cap_offset) "region '%s' ofs 0x%"PRIx64" size %"PRId64" cap_ofs
%"PRId32
+qemu_vfio_pci_map_bar(int index, uint64_t region_ofs, uint64_t region_size,
int ofs, void *host) "map region bar#%d ofs 0x%"PRIx64" size %"PRId64" ofs %d
host %p"
--
2.26.2
