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| author | Philippe Mathieu-Daudé | 2020-11-03 03:07:30 +0100 |
|---|---|---|
| committer | Stefan Hajnoczi | 2020-11-03 20:06:23 +0100 |
| commit | 2817fbcee060cfdf3899fbab97e185272f5f83ec (patch) | |
| tree | 4470d15ebe382e7b91e91f8526e814cfd96b02dd | |
| parent | util/vfio-helpers: Trace PCI BAR region info (diff) | |
| download | qemu-2817fbcee060cfdf3899fbab97e185272f5f83ec.tar.gz qemu-2817fbcee060cfdf3899fbab97e185272f5f83ec.tar.xz qemu-2817fbcee060cfdf3899fbab97e185272f5f83ec.zip | |
util/vfio-helpers: Trace where BARs are mapped
For debugging purpose, trace where a BAR is mapped.
Reviewed-by: Fam Zheng <fam@euphon.net>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20201103020733.2303148-5-philmd@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
| -rw-r--r-- | util/trace-events | 1 | ||||
| -rw-r--r-- | util/vfio-helpers.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/util/trace-events b/util/trace-events index 0753e4a0ed..52d43cda3f 100644 --- a/util/trace-events +++ b/util/trace-events @@ -88,3 +88,4 @@ qemu_vfio_dma_unmap(void *s, void *host) "s %p host %p" 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 0x%x (region addr 0x%"PRIx64" size 0x%"PRIx64")" 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 0x%x (region addr 0x%"PRIx64" size 0x%"PRIx64")" qemu_vfio_region_info(const char *desc, uint64_t region_ofs, uint64_t region_size, uint32_t cap_offset) "region '%s' addr 0x%"PRIx64" size 0x%"PRIx64" cap_ofs 0x%"PRIx32 +qemu_vfio_pci_map_bar(int index, uint64_t region_ofs, uint64_t region_size, int ofs, void *host) "map region bar#%d addr 0x%"PRIx64" size 0x%"PRIx64" ofs 0x%x host %p" diff --git a/util/vfio-helpers.c b/util/vfio-helpers.c index cd6287c3a9..278c54902e 100644 --- a/util/vfio-helpers.c +++ b/util/vfio-helpers.c @@ -166,6 +166,8 @@ 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; |