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Tsirkin" , Paolo Bonzini Subject: [PATCH-for-9.1 v2] hw/i386/pc: Ensure vmport prerequisites are fulfilled Message-ID: Feedback-ID: 37679334:user:proton X-Pm-Message-ID: ef0bbe03faa94f568da6425093c804af69018f0b MIME-Version: 1.0 Received-SPF: pass client-ip=185.70.43.17; envelope-from=kamil@szczek.dev; helo=mail-4317.proton.ch 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, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Since commit 4ccd5fe22feb95137d325f422016a6473541fe9f ('pc: add option to disable PS/2 mouse/keyboard'), the vmport will not be created unless the i8042 PS/2 controller is enabled. To avoid confusion, let's fail if vmport was explicitly requested, but the i8042 controller is disabled. This also changes the behavior of vmport=auto to take i8042 controller availability into account. Signed-off-by: Kamil Szczęk Reviewed-by: Philippe Mathieu-Daudé --- hw/i386/pc.c | 8 ++++++-- hw/i386/pc_piix.c | 3 ++- hw/i386/pc_q35.c | 2 +- qemu-options.hx | 4 ++-- 4 files changed, 11 insertions(+), 6 deletions(-) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index c74931d577..c99f2ce540 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1075,7 +1075,7 @@ static const MemoryRegionOps ioportF0_io_ops = { }; static void pc_superio_init(ISABus *isa_bus, bool create_fdctrl, - bool create_i8042, bool no_vmport) + bool create_i8042, bool no_vmport, Error **errp) { int i; DriveInfo *fd[MAX_FD]; @@ -1100,6 +1100,10 @@ static void pc_superio_init(ISABus *isa_bus, bool create_fdctrl, } if (!create_i8042) { + if (!no_vmport) { + error_setg(errp, + "vmport requires the i8042 controller to be enabled"); + } return; } @@ -1219,7 +1223,7 @@ void pc_basic_device_init(struct PCMachineState *pcms, /* Super I/O */ pc_superio_init(isa_bus, create_fdctrl, pcms->i8042_enabled, - pcms->vmport != ON_OFF_AUTO_ON); + pcms->vmport != ON_OFF_AUTO_ON, &error_fatal); } void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus) diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index d9e69243b4..cf2e2e3e30 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -312,7 +312,8 @@ static void pc_init1(MachineState *machine, const char *pci_type) assert(pcms->vmport != ON_OFF_AUTO__MAX); if (pcms->vmport == ON_OFF_AUTO_AUTO) { - pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; + pcms->vmport = (xen_enabled() || !pcms->i8042_enabled) + ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; } /* init basic PC hardware */ diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 9d108b194e..6c112d804d 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -278,7 +278,7 @@ static void pc_q35_init(MachineState *machine) assert(pcms->vmport != ON_OFF_AUTO__MAX); if (pcms->vmport == ON_OFF_AUTO_AUTO) { - pcms->vmport = ON_OFF_AUTO_ON; + pcms->vmport = pcms->i8042_enabled ? ON_OFF_AUTO_ON : ON_OFF_AUTO_OFF; } /* init basic PC hardware */ diff --git a/qemu-options.hx b/qemu-options.hx index cee0da2014..0bc780a669 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -68,8 +68,8 @@ SRST ``vmport=on|off|auto`` Enables emulation of VMWare IO port, for vmmouse etc. auto says - to select the value based on accel. For accel=xen the default is - off otherwise the default is on. + to select the value based on accel and i8042. For accel=xen + and/or i8042=off the default is off otherwise the default is on. ``dump-guest-core=on|off`` Include guest memory in a core dump. The default is on.