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bh=ibeTODLX+Mzom4ZToC9+tF5dVJPoyLG0M5njv6JL8uc=; b=MTTQla6dteCow/L0nchNFArQVYjebYpfxgukOXSYvOofYRq8CydAl+NYR+5Y8CeBBsJ/nt Xr32GeiJmJHgDeDZ5HtGlrlLNzkyafBR6b5rpHJz2wwLieF/K20E6CfK7oPtQETfTlYI6C 4BDNZH4Mao7Kzx+Jhx1lXNLH7KWXlFM= X-MC-Unique: 4HcHifymMeqvaMKKdJjvng-1 From: Stefan Hajnoczi To: qemu-devel@nongnu.org, Peter Maydell Subject: [PULL 31/33] util/vfio-helpers: Improve DMA trace events Date: Wed, 4 Nov 2020 15:18:26 +0000 Message-Id: <20201104151828.405824-32-stefanha@redhat.com> In-Reply-To: <20201104151828.405824-1-stefanha@redhat.com> References: <20201104151828.405824-1-stefanha@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=63.128.21.124; envelope-from=stefanha@redhat.com; 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charset="utf-8" From: Philippe Mathieu-Daud=C3=A9 For debugging purpose, trace where DMA regions are mapped. Reviewed-by: Fam Zheng Reviewed-by: Stefan Hajnoczi Signed-off-by: Philippe Mathieu-Daud=C3=A9 Message-id: 20201103020733.2303148-6-philmd@redhat.com Signed-off-by: Stefan Hajnoczi Tested-by: Eric Auger --- util/vfio-helpers.c | 3 ++- util/trace-events | 5 +++-- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/util/vfio-helpers.c b/util/vfio-helpers.c index 278c54902e..c24a510df8 100644 --- a/util/vfio-helpers.c +++ b/util/vfio-helpers.c @@ -627,7 +627,7 @@ static int qemu_vfio_do_mapping(QEMUVFIOState *s, void = *host, size_t size, .vaddr =3D (uintptr_t)host, .size =3D size, }; - trace_qemu_vfio_do_mapping(s, host, size, iova); + trace_qemu_vfio_do_mapping(s, host, iova, size); =20 if (ioctl(s->container, VFIO_IOMMU_MAP_DMA, &dma_map)) { error_report("VFIO_MAP_DMA failed: %s", strerror(errno)); @@ -783,6 +783,7 @@ int qemu_vfio_dma_map(QEMUVFIOState *s, void *host, siz= e_t size, } } } + trace_qemu_vfio_dma_mapped(s, host, iova0, size); if (iova) { *iova =3D iova0; } diff --git a/util/trace-events b/util/trace-events index 52d43cda3f..08239941cb 100644 --- a/util/trace-events +++ b/util/trace-events @@ -82,8 +82,9 @@ qemu_vfio_ram_block_added(void *s, void *p, size_t size) = "s %p host %p size 0x%z qemu_vfio_ram_block_removed(void *s, void *p, size_t size) "s %p host %p s= ize 0x%zx" qemu_vfio_find_mapping(void *s, void *p) "s %p host %p" qemu_vfio_new_mapping(void *s, void *host, size_t size, int index, uint64_= t iova) "s %p host %p size 0x%zx index %d iova 0x%"PRIx64 -qemu_vfio_do_mapping(void *s, void *host, size_t size, uint64_t iova) "s %= p host %p size 0x%zx iova 0x%"PRIx64 -qemu_vfio_dma_map(void *s, void *host, size_t size, bool temporary, uint64= _t *iova) "s %p host %p size 0x%zx temporary %d iova %p" +qemu_vfio_do_mapping(void *s, void *host, uint64_t iova, size_t size) "s %= p host %p <-> iova 0x%"PRIx64 " size 0x%zx" +qemu_vfio_dma_map(void *s, void *host, size_t size, bool temporary, uint64= _t *iova) "s %p host %p size 0x%zx temporary %d &iova %p" +qemu_vfio_dma_mapped(void *s, void *host, uint64_t iova, size_t size) "s %= p host %p <-> iova 0x%"PRIx64" size 0x%zx" 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_of= s, uint64_t region_size) "read cfg ptr %p ofs 0x%x size 0x%x (region addr 0= x%"PRIx64" size 0x%"PRIx64")" qemu_vfio_pci_write_config(void *buf, int ofs, int size, uint64_t region_o= fs, uint64_t region_size) "write cfg ptr %p ofs 0x%x size 0x%x (region addr= 0x%"PRIx64" size 0x%"PRIx64")" --=20 2.28.0