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[88.18.140.237]) by smtp.gmail.com with ESMTPSA id y7sm3576729wmg.40.2020.10.20.10.24.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Oct 2020 10:24:30 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH 00/16] util/vfio-helpers: Allow using multiple MSIX IRQs Date: Tue, 20 Oct 2020 19:24:12 +0200 Message-Id: <20201020172428.2220726-1-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 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 Received-SPF: pass client-ip=216.205.24.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/20 01:16:16 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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 , Alex Williamson , Stefan Hajnoczi , =?utf-8?q?Philippe_Mathieu-Dau?= =?utf-8?b?ZMOp?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This series allow using multiple MSIX IRQs We currently share a single IRQ between 2 NVMe queues (ADMIN and I/O). This series still uses 1 shared IRQ but prepare for using multiple ones. The series is organized as: - Fix device minimum page size (prerequisite: patch 1) - Check IOMMU minimum page size (patches 3, 4) - Boring cleanups already reviewed (patches 2, 5-12) - Introduce helpers to use multiple MSIX (patches 13, 14) - Switch NVMe block driver to use the multiple MSIX API (15) - Remove single MSIX helper (16). Most patches are trivial, except 13 and 14 which are the important VFIO ones. Please review, Phil. Philippe Mathieu-Daudé (16): block/nvme: Correct minimum device page size util/vfio-helpers: Improve reporting unsupported IOMMU type util/vfio-helpers: Pass minimum page size to qemu_vfio_open_pci() util/vfio-helpers: Report error when IOMMU page size is not supported util/vfio-helpers: Trace PCI I/O config accesses util/vfio-helpers: Trace PCI BAR region info util/vfio-helpers: Trace where BARs are mapped util/vfio-helpers: Improve DMA trace events util/vfio-helpers: Convert vfio_dump_mapping to trace events util/vfio-helpers: Let qemu_vfio_dma_map() propagate Error util/vfio-helpers: Let qemu_vfio_do_mapping() propagate Error util/vfio-helpers: Let qemu_vfio_verify_mappings() use error_report() util/vfio-helpers: Introduce qemu_vfio_pci_msix_init_irqs() util/vfio-helpers: Introduce qemu_vfio_pci_msix_set_irq() block/nvme: Switch to using the MSIX API util/vfio-helpers: Remove now unused qemu_vfio_pci_init_irq() include/qemu/vfio-helpers.h | 15 ++- block/nvme.c | 33 ++++--- util/vfio-helpers.c | 183 +++++++++++++++++++++++++++--------- util/trace-events | 13 ++- 4 files changed, 182 insertions(+), 62 deletions(-) -- 2.26.2 Reviewed-by: Stefan Hajnoczi Reviewed-by: Stefan Hajnoczi Reviewed-by: Stefan Hajnoczi Reviewed-by: Stefan Hajnoczi