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[92.0.155.74]) by smtp.gmail.com with ESMTPSA id y11sm1396792wro.37.2021.04.26.13.06.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Apr 2021 13:06:06 -0700 (PDT) From: Dev Audsin To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, qemu-trivial@nongnu.org, dgilber@redhat.com, dev.devaqemu@gmail.com Subject: [PATCH] skip virtio fs cache section to enable NIC passthrough Date: Mon, 26 Apr 2021 13:05:53 -0700 Message-Id: <20210426200553.145976-2-dev.devaqemu@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210426200553.145976-1-dev.devaqemu@gmail.com> References: <20210426200553.145976-1-dev.devaqemu@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::343; envelope-from=dev.devaqemu@gmail.com; helo=mail-wm1-x343.google.com 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Mon, 26 Apr 2021 20:21:57 -0400 X-BeenThere: qemu-trivial@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Apr 2021 20:06:13 -0000 Signed-off-by: Dev Audsin --- hw/vfio/common.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/vfio/common.c b/hw/vfio/common.c index 6ff1daa763..3af70238bd 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -541,7 +541,8 @@ static int vfio_host_win_del(VFIOContainer *container, hwaddr min_iova, static bool vfio_listener_skipped_section(MemoryRegionSection *section) { - return (!memory_region_is_ram(section->mr) && + return (!strcmp(memory_region_name(section->mr), "virtio-fs-cache")) || + (!memory_region_is_ram(section->mr) && !memory_region_is_iommu(section->mr)) || /* * Sizing an enabled 64-bit BAR can cause spurious mappings to -- 2.25.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.5 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5CBE0C433ED for ; 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[92.0.155.74]) by smtp.gmail.com with ESMTPSA id y11sm1396792wro.37.2021.04.26.13.06.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Apr 2021 13:06:06 -0700 (PDT) From: Dev Audsin To: qemu-devel@nongnu.org Subject: [PATCH] skip virtio fs cache section to enable NIC passthrough Date: Mon, 26 Apr 2021 13:05:53 -0700 Message-Id: <20210426200553.145976-2-dev.devaqemu@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210426200553.145976-1-dev.devaqemu@gmail.com> References: <20210426200553.145976-1-dev.devaqemu@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::343; envelope-from=dev.devaqemu@gmail.com; helo=mail-wm1-x343.google.com 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Mon, 26 Apr 2021 20:21:42 -0400 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: qemu-trivial@nongnu.org, alex.williamson@redhat.com, dgilber@redhat.com, dev.devaqemu@gmail.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Dev Audsin --- hw/vfio/common.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/vfio/common.c b/hw/vfio/common.c index 6ff1daa763..3af70238bd 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -541,7 +541,8 @@ static int vfio_host_win_del(VFIOContainer *container, hwaddr min_iova, static bool vfio_listener_skipped_section(MemoryRegionSection *section) { - return (!memory_region_is_ram(section->mr) && + return (!strcmp(memory_region_name(section->mr), "virtio-fs-cache")) || + (!memory_region_is_ram(section->mr) && !memory_region_is_iommu(section->mr)) || /* * Sizing an enabled 64-bit BAR can cause spurious mappings to -- 2.25.1