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[83.42.66.234]) by smtp.gmail.com with ESMTPSA id y187sm1213180wmg.33.2020.11.02.18.07.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Nov 2020 18:07:58 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH-for-5.2 v3 4/7] util/vfio-helpers: Trace where BARs are mapped Date: Tue, 3 Nov 2020 03:07:30 +0100 Message-Id: <20201103020733.2303148-5-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201103020733.2303148-1-philmd@redhat.com> References: <20201103020733.2303148-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=63.128.21.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/02 20:52:36 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: Kevin Wolf , Fam Zheng , qemu-block@nongnu.org, Max Reitz , Eric Auger , Stefan Hajnoczi , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" For debugging purpose, trace where a BAR is mapped. Reviewed-by: Fam Zheng Reviewed-by: Stefan Hajnoczi Signed-off-by: Philippe Mathieu-Daudé --- 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 cd6287c3a98..278c54902e7 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 = 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 0753e4a0ed1..52d43cda3f3 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_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 +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" -- 2.26.2