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| author | Philippe Mathieu-Daudé <philmd@redhat.com> | 2020-11-03 03:07:29 +0100 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2020-11-03 19:06:23 +0000 |
| commit | df058222e77963e9bece723d19142354ed443d4a (patch) | |
| tree | 68fc0b0d4948dbbebbc2370c56e9a0b6a6e79a23 /util | |
| parent | 3d87c2d9435a4c71d588a770a8a34382c1afa9c1 (diff) | |
| download | qemu-df058222e77963e9bece723d19142354ed443d4a.zip qemu-df058222e77963e9bece723d19142354ed443d4a.tar.gz qemu-df058222e77963e9bece723d19142354ed443d4a.tar.bz2 | |
util/vfio-helpers: Trace PCI BAR region info
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>
Message-id: 20201103020733.2303148-4-philmd@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Diffstat (limited to 'util')
| -rw-r--r-- | util/trace-events | 1 | ||||
| -rw-r--r-- | util/vfio-helpers.c | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/util/trace-events b/util/trace-events index 8d3615e..0753e4a 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 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 diff --git a/util/vfio-helpers.c b/util/vfio-helpers.c index 1d4efaf..cd6287c 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); |