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[PATCH v2 07/19] util/vfio-helpers: Trace PCI BAR region info
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH v2 07/19] util/vfio-helpers: Trace PCI BAR region info |
Date: |
Mon, 26 Oct 2020 11:54:52 +0100 |
For debug purpose, trace BAR regions info.
Reviewed-by: Fam Zheng <fam@euphon.net>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
util/vfio-helpers.c | 8 ++++++++
util/trace-events | 1 +
2 files changed, 9 insertions(+)
diff --git a/util/vfio-helpers.c b/util/vfio-helpers.c
index 1d4efafcaa4..cd6287c3a98 100644
--- a/util/vfio-helpers.c
+++ b/util/vfio-helpers.c
@@ -136,6 +136,7 @@ static inline void assert_bar_index_valid(QEMUVFIOState *s,
int index)
static int qemu_vfio_pci_init_bar(QEMUVFIOState *s, int index, Error **errp)
{
+ g_autofree char *barname = NULL;
assert_bar_index_valid(s, index);
s->bar_region_info[index] = (struct vfio_region_info) {
.index = VFIO_PCI_BAR0_REGION_INDEX + index,
@@ -145,6 +146,10 @@ static int qemu_vfio_pci_init_bar(QEMUVFIOState *s, int
index, Error **errp)
error_setg_errno(errp, errno, "Failed to get BAR region info");
return -errno;
}
+ barname = g_strdup_printf("bar[%d]", index);
+ trace_qemu_vfio_region_info(barname, s->bar_region_info[index].offset,
+ s->bar_region_info[index].size,
+ s->bar_region_info[index].cap_offset);
return 0;
}
@@ -416,6 +421,9 @@ static int qemu_vfio_init_pci(QEMUVFIOState *s, const char
*device,
ret = -errno;
goto fail;
}
+ trace_qemu_vfio_region_info("config", s->config_region_info.offset,
+ s->config_region_info.size,
+ s->config_region_info.cap_offset);
for (i = 0; i < ARRAY_SIZE(s->bar_region_info); i++) {
ret = qemu_vfio_pci_init_bar(s, i, errp);
diff --git a/util/trace-events b/util/trace-events
index c048f85f828..4d40c74a21f 100644
--- a/util/trace-events
+++ b/util/trace-events
@@ -87,3 +87,4 @@ qemu_vfio_dma_map(void *s, void *host, size_t size, bool
temporary, uint64_t *io
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
--
2.26.2
- Re: [PATCH v2 01/19] block/nvme: Correct minimum device page size, (continued)
- [PATCH v2 02/19] block/nvme: Set request_alignment at initialization, Philippe Mathieu-Daudé, 2020/10/26
- [PATCH v2 03/19] block/nvme: Introduce device/iommu 'page_size_min' variables, Philippe Mathieu-Daudé, 2020/10/26
- [PATCH v2 04/19] block/nvme: Trace controller capabilities, Philippe Mathieu-Daudé, 2020/10/26
- [PATCH v2 05/19] util/vfio-helpers: Improve reporting unsupported IOMMU type, Philippe Mathieu-Daudé, 2020/10/26
- [PATCH v2 06/19] util/vfio-helpers: Trace PCI I/O config accesses, Philippe Mathieu-Daudé, 2020/10/26
- [PATCH v2 07/19] util/vfio-helpers: Trace PCI BAR region info,
Philippe Mathieu-Daudé <=
- [PATCH v2 08/19] util/vfio-helpers: Trace where BARs are mapped, Philippe Mathieu-Daudé, 2020/10/26
- [PATCH v2 09/19] util/vfio-helpers: Improve DMA trace events, Philippe Mathieu-Daudé, 2020/10/26
- [PATCH v2 10/19] util/vfio-helpers: Convert vfio_dump_mapping to trace events, Philippe Mathieu-Daudé, 2020/10/26
- [PATCH v2 11/19] util/vfio-helpers: Let qemu_vfio_dma_map() propagate Error, Philippe Mathieu-Daudé, 2020/10/26
- [PATCH v2 12/19] util/vfio-helpers: Let qemu_vfio_do_mapping() propagate Error, Philippe Mathieu-Daudé, 2020/10/26
- [PATCH v2 13/19] util/vfio-helpers: Let qemu_vfio_verify_mappings() use error_report(), Philippe Mathieu-Daudé, 2020/10/26
- [PATCH v2 14/19] util/vfio-helpers: Pass minimum page size to qemu_vfio_open_pci(), Philippe Mathieu-Daudé, 2020/10/26