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[78.54.22.93]) by smtp.gmail.com with ESMTPSA id xj9-20020a170906db0900b009231714b3d4sm1293745ejb.151.2023.03.12.05.02.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 Mar 2023 05:02:32 -0700 (PDT) From: Bernhard Beschow To: qemu-devel@nongnu.org Cc: Marcel Apfelbaum , Paolo Bonzini , David Woodhouse , Anthony Perard , =?UTF-8?q?Herv=C3=A9=20Poussineau?= , Aurelien Jarno , Eduardo Habkost , Paul Durrant , xen-devel@lists.xenproject.org, "Michael S. Tsirkin" , Stefano Stabellini , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Chuck Zmudzinski , Bernhard Beschow Subject: [PATCH v3 0/6] Resolve TYPE_PIIX3_XEN_DEVICE Date: Sun, 12 Mar 2023 13:02:15 +0100 Message-Id: <20230312120221.99183-1-shentey@gmail.com> X-Mailer: git-send-email 2.39.2 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::52d; envelope-from=shentey@gmail.com; helo=mail-ed1-x52d.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-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org There is currently a dedicated PIIX3 device model for use under Xen. By reu= sing=0D existing PCI API during initialization this device model can be eliminated = and=0D the plain PIIX3 device model can be used instead.=0D =0D Resolving TYPE_PIIX3_XEN_DEVICE results in less code while also making Xen= =0D agnostic towards the precise south bridge being used in the PC machine. The= =0D latter might become particularily interesting once PIIX4 becomes usable in = the=0D PC machine, avoiding the "Frankenstein" use of PIIX4_ACPI in PIIX3.=0D =0D Testing done:=0D - `make check`=0D - `make check-avocado`=0D - Run `xl create` with the following config:=0D name =3D "Manjaro"=0D type =3D 'hvm'=0D memory =3D 1536=0D apic =3D 1=0D usb =3D 1=0D disk =3D [ "file:manjaro-kde-21.2.6-220416-linux515.iso,hdc:cdrom,r" ]= =0D device_model_override =3D "/usr/bin/qemu-system-x86_64"=0D vga =3D "stdvga"=0D sdl =3D 1=0D - `qemu-system-x86_64 -M pc -m 2G -cpu host \=0D -accel kvm,xen-version=3D0x4000a,kernel-irqchip=3Dsplit \=0D -cdrom manjaro-kde-21.2.6-220416-linux515.iso`=0D - `qemu-system-x86_64 -M pc -m 2G -cpu host -accel kvm \=0D -cdrom manjaro-kde-21.2.6-220416-linux515.iso`=0D =0D v3:=0D - Rebase onto master=0D =0D v2:=0D - xen_piix3_set_irq() is already generic. Just rename it. (Chuck)=0D =0D Tested-by: Chuck Zmudzinski =0D =0D Bernhard Beschow (6):=0D include/hw/xen/xen: Rename xen_piix3_set_irq() to xen_intx_set_irq()=0D hw/isa/piix3: Reuse piix3_realize() in piix3_xen_realize()=0D hw/isa/piix3: Wire up Xen PCI IRQ handling outside of PIIX3=0D hw/isa/piix3: Avoid Xen-specific variant of piix3_write_config()=0D hw/isa/piix3: Resolve redundant k->config_write assignments=0D hw/isa/piix3: Resolve redundant TYPE_PIIX3_XEN_DEVICE=0D =0D include/hw/southbridge/piix.h | 1 -=0D include/hw/xen/xen.h | 2 +-=0D hw/i386/pc_piix.c | 36 +++++++++++++++++++--=0D hw/i386/xen/xen-hvm.c | 2 +-=0D hw/isa/piix3.c | 60 +----------------------------------=0D stubs/xen-hw-stub.c | 2 +-=0D 6 files changed, 37 insertions(+), 66 deletions(-)=0D =0D -- =0D 2.39.2=0D =0D