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bh=PIZZ5Hi8D4fcT+xa9s+gZYl3zzMRkTliQG4Od6XVvZo=; b=Xk9+vFx2dlVzYSejS1mWRbuhGc39Wc90bHH1i2H3Kq3cx/OvnxIFItBspAJtQWTMRsBPvu WQEwrLjSwKOy2J3WlZL3iUbIIwbiYuutC0AqKRiHCxT7VGeVGO8/pH/dSdJn5sMqrUc23p E3bvG9dEJ4Th730jx/5i9P+KnYn0hOE= X-MC-Unique: DiWugDmTNjK3oZpa5F_aCw-1 From: Stefan Hajnoczi To: qemu-devel@nongnu.org, Peter Maydell Subject: [PULL 30/33] util/vfio-helpers: Trace where BARs are mapped Date: Wed, 4 Nov 2020 15:18:25 +0000 Message-Id: <20201104151828.405824-31-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 10.5.11.13 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; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/03 22:09:52 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fam Zheng , Kevin Wolf , qemu-block@nongnu.org, =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Eduardo Habkost , kvm@vger.kernel.org, Eric Auger , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Markus Armbruster , Coiby Xu , "Dr. David Alan Gilbert" , Klaus Jensen , Stefan Hajnoczi , Keith Busch , Paolo Bonzini , Max Reitz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" From: Philippe Mathieu-Daud=C3=A9 For debugging purpose, trace where a BAR is mapped. Reviewed-by: Fam Zheng Reviewed-by: Stefan Hajnoczi Signed-off-by: Philippe Mathieu-Daud=C3=A9 Message-id: 20201103020733.2303148-5-philmd@redhat.com Signed-off-by: Stefan Hajnoczi Tested-by: Eric Auger --- 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 cd6287c3a9..278c54902e 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 =3D 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 =3D=3D MAP_FAILED) { error_setg_errno(errp, errno, "Failed to map BAR region"); p =3D NULL; diff --git a/util/trace-events b/util/trace-events index 0753e4a0ed..52d43cda3f 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_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")" qemu_vfio_region_info(const char *desc, uint64_t region_ofs, uint64_t regi= on_size, uint32_t cap_offset) "region '%s' addr 0x%"PRIx64" size 0x%"PRIx64= " cap_ofs 0x%"PRIx32 +qemu_vfio_pci_map_bar(int index, uint64_t region_ofs, uint64_t region_size= , int ofs, void *host) "map region bar#%d addr 0x%"PRIx64" size 0x%"PRIx64"= ofs 0x%x host %p" --=20 2.28.0