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[PATCH 4/9] util/vfio-helpers: Trace where BARs are mapped
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH 4/9] util/vfio-helpers: Trace where BARs are mapped |
Date: |
Wed, 14 Oct 2020 13:52:48 +0200 |
For debugging purpose, trace where a BAR is mapped.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
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 cd6287c3a98..278c54902e7 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;
diff --git a/util/trace-events b/util/trace-events
index 4d40c74a21f..50652761a58 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 %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
- [PATCH 0/9] util/vfio-helpers: Improve debugging experience, Philippe Mathieu-Daudé, 2020/10/14
- [PATCH 1/9] util/vfio-helpers: Improve reporting unsupported IOMMU type, Philippe Mathieu-Daudé, 2020/10/14
- [PATCH 2/9] util/vfio-helpers: Trace PCI I/O config accesses, Philippe Mathieu-Daudé, 2020/10/14
- [PATCH 3/9] util/vfio-helpers: Trace PCI BAR region info, Philippe Mathieu-Daudé, 2020/10/14
- [PATCH 4/9] util/vfio-helpers: Trace where BARs are mapped,
Philippe Mathieu-Daudé <=
- [PATCH 6/9] util/vfio-helpers: Convert vfio_dump_mapping to trace events, Philippe Mathieu-Daudé, 2020/10/14
- [PATCH 7/9] util/vfio-helpers: Let qemu_vfio_dma_map() propagate Error, Philippe Mathieu-Daudé, 2020/10/14
- [PATCH 8/9] util/vfio-helpers: Let qemu_vfio_do_mapping() propagate Error, Philippe Mathieu-Daudé, 2020/10/14
- [PATCH 9/9] util/vfio-helpers: Let qemu_vfio_verify_mappings() use error_report(), Philippe Mathieu-Daudé, 2020/10/14
- [PATCH 5/9] util/vfio-helpers: Improve DMA trace events, Philippe Mathieu-Daudé, 2020/10/14
- Re: [PATCH 0/9] util/vfio-helpers: Improve debugging experience, Fam Zheng, 2020/10/14