From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Kevin Wolf" <kwolf@redhat.com>, "Fam Zheng" <fam@euphon.net>,
qemu-block@nongnu.org, "Max Reitz" <mreitz@redhat.com>,
"Alex Williamson" <alex.williamson@redhat.com>,
"Stefan Hajnoczi" <stefanha@redhat.com>,
"Philippe Mathieu-Daudé" <philmd@redhat.com>
Subject: [PATCH 07/16] util/vfio-helpers: Trace where BARs are mapped
Date: Tue, 20 Oct 2020 19:24:19 +0200 [thread overview]
Message-ID: <20201020172428.2220726-8-philmd@redhat.com> (raw)
In-Reply-To: <20201020172428.2220726-1-philmd@redhat.com>
For debugging purpose, trace where a BAR is mapped.
Reviewed-by: Fam Zheng <fam@euphon.net>
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 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
next prev parent reply other threads:[~2020-10-20 17:33 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-20 17:24 [PATCH 00/16] util/vfio-helpers: Allow using multiple MSIX IRQs Philippe Mathieu-Daudé
2020-10-20 17:24 ` [PATCH 01/16] block/nvme: Correct minimum device page size Philippe Mathieu-Daudé
2020-10-22 13:52 ` Stefan Hajnoczi
2020-10-20 17:24 ` [PATCH 02/16] util/vfio-helpers: Improve reporting unsupported IOMMU type Philippe Mathieu-Daudé
2020-10-22 13:53 ` Stefan Hajnoczi
2020-10-20 17:24 ` [PATCH 03/16] util/vfio-helpers: Pass minimum page size to qemu_vfio_open_pci() Philippe Mathieu-Daudé
2020-10-22 14:00 ` Stefan Hajnoczi
2020-10-24 19:52 ` Philippe Mathieu-Daudé
2020-10-20 17:24 ` [PATCH 04/16] util/vfio-helpers: Report error when IOMMU page size is not supported Philippe Mathieu-Daudé
2020-10-22 15:21 ` Stefan Hajnoczi
2020-10-20 17:24 ` [PATCH 05/16] util/vfio-helpers: Trace PCI I/O config accesses Philippe Mathieu-Daudé
2020-10-22 14:13 ` Stefan Hajnoczi
2020-10-20 17:24 ` [PATCH 06/16] util/vfio-helpers: Trace PCI BAR region info Philippe Mathieu-Daudé
2020-10-22 14:13 ` Stefan Hajnoczi
2020-10-20 17:24 ` Philippe Mathieu-Daudé [this message]
2020-10-22 14:13 ` [PATCH 07/16] util/vfio-helpers: Trace where BARs are mapped Stefan Hajnoczi
2020-10-20 17:24 ` [PATCH 08/16] util/vfio-helpers: Improve DMA trace events Philippe Mathieu-Daudé
2020-10-22 14:17 ` Stefan Hajnoczi
2020-10-20 17:24 ` [PATCH 09/16] util/vfio-helpers: Convert vfio_dump_mapping to " Philippe Mathieu-Daudé
2020-10-22 14:20 ` Stefan Hajnoczi
2020-10-20 17:24 ` [PATCH 10/16] util/vfio-helpers: Let qemu_vfio_dma_map() propagate Error Philippe Mathieu-Daudé
2020-10-22 14:23 ` Stefan Hajnoczi
2020-10-20 17:24 ` [PATCH 11/16] util/vfio-helpers: Let qemu_vfio_do_mapping() " Philippe Mathieu-Daudé
2020-10-22 14:24 ` Stefan Hajnoczi
2020-10-20 17:24 ` [PATCH 12/16] util/vfio-helpers: Let qemu_vfio_verify_mappings() use error_report() Philippe Mathieu-Daudé
2020-10-22 14:25 ` Stefan Hajnoczi
2020-10-20 17:24 ` [PATCH 13/16] util/vfio-helpers: Introduce qemu_vfio_pci_msix_init_irqs() Philippe Mathieu-Daudé
2020-10-22 14:34 ` Stefan Hajnoczi
2020-10-20 17:24 ` [PATCH 14/16] util/vfio-helpers: Introduce qemu_vfio_pci_msix_set_irq() Philippe Mathieu-Daudé
2020-10-22 14:47 ` Stefan Hajnoczi
2020-10-20 17:24 ` [PATCH 15/16] block/nvme: Switch to using the MSIX API Philippe Mathieu-Daudé
2020-10-22 14:49 ` Stefan Hajnoczi
2020-10-20 17:24 ` [PATCH 16/16] util/vfio-helpers: Remove now unused qemu_vfio_pci_init_irq() Philippe Mathieu-Daudé
2020-10-22 14:50 ` Stefan Hajnoczi
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