- 21 9月, 2019 1 次提交
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由 Corey Minyard 提交于
This is so I2C devices can be found in the ACPI namespace. Currently that's only IPMI, but devices can be easily added now. Adding the devices required some PCI information, and the bus itself to be added to the PCMachineState structure. Note that this only works on Q35, the ACPI for PIIX4 is not capable of handling an SMBus device. Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Igor Mammedov <imammedo@redhat.com> Signed-off-by: NCorey Minyard <cminyard@mvista.com> Reviewed-by: NPaolo Bonzini <pbonzini@redhat.com>
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- 16 9月, 2019 1 次提交
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由 Philippe Mathieu-Daudé 提交于
Suggested-by: NSamuel Ortiz <sameo@linux.intel.com> Reviewed-by: NLi Qiang <liq3ea@gmail.com> Signed-off-by: NPhilippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20190818225414.22590-3-philmd@redhat.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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- 21 8月, 2019 1 次提交
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由 Cornelia Huck 提交于
Add 4.2 machine types for arm/i440fx/q35/s390x/spapr. For i440fx and q35, unversioned cpu models are still translated to -v1, as 0788a56b ("i386: Make unversioned CPU models be aliases") states this should only transition to the latest cpu model version in 4.3 (or later). Signed-off-by: NCornelia Huck <cohuck@redhat.com> Message-Id: <20190724103524.20916-1-cohuck@redhat.com> Reviewed-by: NEduardo Habkost <ehabkost@redhat.com> Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au>
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- 20 8月, 2019 1 次提交
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由 Stefano Garzarella 提交于
In order to reduce the memory footprint we map into memory the initrd using g_mapped_file_new() instead of reading it. In this way we can share the initrd pages between multiple instances of QEMU. Suggested-by: NPaolo Bonzini <pbonzini@redhat.com> Signed-off-by: NStefano Garzarella <sgarzare@redhat.com> Message-Id: <20190724143105.307042-4-sgarzare@redhat.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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- 16 8月, 2019 1 次提交
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由 Markus Armbruster 提交于
In my "build everything" tree, changing sysemu/sysemu.h triggers a recompile of some 5400 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h). Almost a third of its inclusions are actually superfluous. Delete them. Downgrade two more to qapi/qapi-types-run-state.h, and move one from char/serial.h to char/serial.c. hw/semihosting/config.c, monitor/monitor.c, qdev-monitor.c, and stubs/semihost.c define variables declared in sysemu/sysemu.h without including it. The compiler is cool with that, but include it anyway. This doesn't reduce actual use much, as it's still included into widely included headers. The next commit will tackle that. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NAlistair Francis <alistair.francis@wdc.com> Message-Id: <20190812052359.30071-27-armbru@redhat.com> Reviewed-by: NAlex Bennée <alex.bennee@linaro.org>
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- 06 7月, 2019 4 次提交
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由 Eduardo Habkost 提交于
This will make unversioned CPU models behavior depend on the machine type: * "pc-*-4.0" and older will not report them as aliases. This is done to keep compatibility with older QEMU versions after management software starts translating aliases. * "pc-*-4.1" will translate unversioned CPU models to -v1. This is done to keep compatibility with existing management software, that still relies on CPU model runnability promises. * "none" will translate unversioned CPU models to their latest version. This is planned become the default in future machine types (probably in pc-*-4.3). Signed-off-by: NEduardo Habkost <ehabkost@redhat.com> Message-Id: <20190628002844.24894-8-ehabkost@redhat.com> Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com> Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Like Xu 提交于
To make smp_parse() more flexible and expansive, a smp_parse function pointer is added to MachineClass that machine types could override. The generic smp_parse() code in vl.c is moved to hw/core/machine.c, and become the default implementation of MachineClass::smp_parse. A PC-specific function called pc_smp_parse() has been added to hw/i386/pc.c, which in this patch changes nothing against the default one . Suggested-by: NEduardo Habkost <ehabkost@redhat.com> Signed-off-by: NLike Xu <like.xu@linux.intel.com> Reviewed-by: NEduardo Habkost <ehabkost@redhat.com> Message-Id: <20190620054525.37188-3-like.xu@linux.intel.com> Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Like Xu 提交于
The die-level as the first PC-specific cpu topology is added to the leagcy cpu topology model, which has one die per package implicitly and only the numbers of sockets/cores/threads are configurable. In the new model with die-level support, the total number of logical processors (including offline) on board will be calculated as: #cpus = #sockets * #dies * #cores * #threads and considering compatibility, the default value for #dies would be initialized to one in x86_cpu_initfn() and pc_machine_initfn(). Signed-off-by: NLike Xu <like.xu@linux.intel.com> Message-Id: <20190612084104.34984-2-like.xu@linux.intel.com> Reviewed-by: NEduardo Habkost <ehabkost@redhat.com> Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Like Xu 提交于
To get rid of the global smp_* variables we're currently using, it's recommended to pass MachineState in the list of incoming parameters for functions that use global smp variables, thus some redundant parameters are dropped. It's applied for legacy smbios_*(), *_machine_reset(), hot_add_cpu() and mips *_create_cpu(). Suggested-by: NIgor Mammedov <imammedo@redhat.com> Signed-off-by: NLike Xu <like.xu@linux.intel.com> Reviewed-by: NAlistair Francis <alistair.francis@wdc.com> Message-Id: <20190518205428.90532-3-like.xu@linux.intel.com> Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>
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- 05 7月, 2019 1 次提交
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由 Eduardo Habkost 提交于
Replace the static variable with a PCMachineClass field. This will help us eventually get rid of the pc_compat_*() init functions. Signed-off-by: NEduardo Habkost <ehabkost@redhat.com> Message-Id: <20190628200227.1053-1-ehabkost@redhat.com> Reviewed-by: NPhilippe Mathieu-Daude <philmd@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
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- 21 6月, 2019 1 次提交
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由 Greg Kurz 提交于
Commit c87759ce fixed a regression affecting pc-q35 machines by introducing a new pc-q35-4.0.1 machine version to be used instead of pc-q35-4.0. The only purpose was to revert the default behaviour of not using split irqchip, but the change also introduced the usual hw_compat and pc_compat bits, and wired them for pc-q35 only. This raises questions when it comes to add new compat properties for 4.0* machine versions of any architecture. Where to add them ? In 4.0, 4.0.1 or both ? Error prone. Another possibility would be to teach all other architectures about 4.0.1. This solution isn't satisfying, especially since this is a pc-q35 specific issue. It turns out that the split irqchip default is handled in the machine option function and doesn't involve compat lists at all. Drop all the 4.0.1 compat lists and use the 4.0 ones instead in the 4.0.1 machine option function. Move the compat props that were added to the 4.0.1 since c87759ce to 4.0. Even if only hw_compat_4_0_1 had an impact on other architectures, drop pc_compat_4_0_1 as well for consistency. Fixes: c87759ce "q35: Revert to kernel irqchip" Suggested-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: NGreg Kurz <groug@kaod.org> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Message-Id: <156051774276.244890.8660277280145466396.stgit@bahia.lan> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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- 12 6月, 2019 1 次提交
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由 Markus Armbruster 提交于
Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Message-Id: <20190523143508.25387-4-armbru@redhat.com> [Rebased with conflicts resolved automatically, except for hw/usb/dev-hub.c hw/misc/exynos4210_rng.c hw/misc/bcm2835_rng.c hw/misc/aspeed_scu.c hw/display/virtio-vga.c hw/arm/stm32f205_soc.c; ui/cocoa.m fixed up]
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- 03 6月, 2019 1 次提交
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由 Alex Williamson 提交于
Commit b2fc91db ("q35: set split kernel irqchip as default") changed the default for the pc-q35-4.0 machine type to use split irqchip, which turned out to have disasterous effects on vfio-pci INTx support. KVM resampling irqfds are registered for handling these interrupts, but these are non-functional in split irqchip mode. We can't simply test for split irqchip in QEMU as userspace handling of this interrupt is a significant performance regression versus KVM handling (GeForce GPUs assigned to Windows VMs are non-functional without forcing MSI mode or re-enabling kernel irqchip). The resolution is to revert the change in default irqchip mode in the pc-q35-4.1 machine and create a pc-q35-4.0.1 machine for the 4.0-stable branch. The qemu-q35-4.0 machine type should not be used in vfio-pci configurations for devices requiring legacy INTx support without explicitly modifying the VM configuration to use kernel irqchip. Link: https://bugs.launchpad.net/qemu/+bug/1826422 Fixes: b2fc91db ("q35: set split kernel irqchip as default") Signed-off-by: NAlex Williamson <alex.williamson@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com> Message-Id: <155786484688.13873.6037015630912983760.stgit@gimli.home> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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- 26 4月, 2019 1 次提交
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由 Cornelia Huck 提交于
Add 4.1 machine types for arm/i440fx/q35/s390x/spapr. Signed-off-by: NCornelia Huck <cohuck@redhat.com> Message-Id: <20190411102025.22559-1-cohuck@redhat.com> Acked-by: NGreg Kurz <groug@kaod.org> Acked-by: NDavid Gibson <david@gibson.dropbear.id.au> Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>
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- 12 3月, 2019 2 次提交
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由 Markus Armbruster 提交于
The PC machines put firmware in ROM by default. To get it put into flash memory (required by OVMF), you have to use -drive if=pflash,unit=0,... and optionally -drive if=pflash,unit=1,... Why two -drive? This permits setting up one part of the flash memory read-only, and the other part read/write. It also makes upgrading firmware on the host easier. Below the hood, it creates two separate flash devices, because we were too lazy to improve our flash device models to support sector protection. The problem at hand is to do the same with -blockdev somehow, as one more step towards deprecating -drive. Mapping -drive if=none,... to -blockdev is a solved problem. With if=T other than if=none, -drive additionally configures a block device frontend. For non-onboard devices, that part maps to -device. Also a solved problem. For onboard devices such as PC flash memory, we have an unsolved problem. This is actually an instance of a wider problem: our general device configuration interface doesn't cover onboard devices. Instead, we have a zoo of ad hoc interfaces that are much more limited. One of them is -drive, which we'd rather deprecate, but can't until we have suitable replacements for all its uses. Sadly, I can't attack the wider problem today. So back to the narrow problem. My first idea was to reduce it to its solved buddy by using pluggable instead of onboard devices for the flash memory. Workable, but it requires some extra smarts in firmware descriptors and libvirt. Paolo had an idea that is simpler for libvirt: keep the devices onboard, and add machine properties for their block backends. The implementation is less than straightforward, I'm afraid. First, block backend properties are *qdev* properties. Machines can't have those, as they're not devices. I could duplicate these qdev properties as QOM properties, but I hate that. More seriously, the properties do not belong to the machine, they belong to the onboard flash devices. Adding them to the machine would then require bad magic to somehow transfer them to the flash devices. Fortunately, QOM provides the means to handle exactly this case: add alias properties to the machine that forward to the onboard devices' properties. Properties need to be created in .instance_init() methods. For PC machines, that's pc_machine_initfn(). To make alias properties work, we need to create the onboard flash devices there, too. Requires several bug fixes, in the previous commits. We also have to realize the devices. More on that below. If the user sets pflash0, firmware resides in flash memory. pc_system_firmware_init() maps and realizes the flash devices. Else, firmware resides in ROM. The onboard flash devices aren't used then. pc_system_firmware_init() destroys them unrealized, along with the alias properties. The existing code to pick up drives defined with -drive if=pflash is replaced by code to desugar into the machine properties. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com> Acked-by: NLaszlo Ersek <lersek@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Message-Id: <87ftrtux81.fsf@dusky.pond.sub.org>
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由 Philippe Mathieu-Daudé 提交于
pc_system_firmware_init() parameter @isapc_ram_fw is PCMachineState member pci_enabled negated. The next commit will need more of PCMachineState. To prepare for that, pass a PCMachineState *, and drop the now redundant parameter @isapc_ram_fw. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Signed-off-by: NPhilippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: NLaszlo Ersek <lersek@redhat.com> Message-Id: <20190308131445.17502-11-armbru@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com>
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- 11 3月, 2019 2 次提交
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由 Eric Auger 提交于
As NVDIMM support is looming for ARM and SPAPR, let's move the acpi_nvdimm_state to the generic machine struct instead of duplicating the same code in several machines. It is also renamed into nvdimms_state and becomes a pointer. nvdimm and nvdimm-persistence become generic machine options. They become guarded by a nvdimm_supported machine class member. We also add a description for those options. Signed-off-by: NEric Auger <eric.auger@redhat.com> Suggested-by: NIgor Mammedov <imammedo@redhat.com> Message-Id: <20190308182053.5487-3-eric.auger@redhat.com> Reviewed-by: NIgor Mammedov <imammedo@redhat.com> Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Eric Auger 提交于
As we intend to migrate the acpi_nvdimm_state into the base machine with a new dimms_state name, let's also rename the datatype. Signed-off-by: NEric Auger <eric.auger@redhat.com> Suggested-by: NIgor Mammedov <imammedo@redhat.com> Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20190308182053.5487-2-eric.auger@redhat.com> Reviewed-by: NIgor Mammedov <imammedo@redhat.com> Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>
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- 06 3月, 2019 1 次提交
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由 Wei Yang 提交于
Function pc_acpi_init() is not used anymore. Remove the definition and declaration. Signed-off-by: NWei Yang <richardw.yang@linux.intel.com> Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com> Tested-by: NPhilippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: NIgor Mammedov <imammedo@redhat.com> Reviewed-by: NThomas Huth <thuth@redhat.com> Message-Id: <20190214084939.20640-2-richardw.yang@linux.intel.com> Signed-off-by: NLaurent Vivier <laurent@vivier.eu>
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- 05 2月, 2019 1 次提交
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由 Stefano Garzarella 提交于
In order to avoid migration issues, we enable PVH only for machine type >= 4.0 Suggested-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NStefano Garzarella <sgarzare@redhat.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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- 22 1月, 2019 1 次提交
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由 Philippe Mathieu-Daudé 提交于
Files requiring PCMachineClass already include "hw/i386/pc.h". To clean "qemu/typedefs.h", move the declaration to "hw/i386/pc.h" (removing the forward declaration). Signed-off-by: NPhilippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: NThomas Huth <thuth@redhat.com>
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- 10 1月, 2019 1 次提交
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由 Eduardo Habkost 提交于
Instead of verbose arrays with 4 lines for each entry, make each entry take only one line. This makes long arrays that couldn't fit in the screen become short and readable. Signed-off-by: NEduardo Habkost <ehabkost@redhat.com> Message-Id: <20190107193020.21744-4-ehabkost@redhat.com> Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NCornelia Huck <cohuck@redhat.com> Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>
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- 07 1月, 2019 16 次提交
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由 Marc-André Lureau 提交于
Use static arrays instead. I decided to rename the conflicting pc_compat_2_1() function with pc_compat_2_1_fn(). Suggested-by: NEduardo Habkost <ehabkost@redhat.com> Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NIgor Mammedov <imammedo@redhat.com> Reviewed-by: NCornelia Huck <cohuck@redhat.com> Acked-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Marc-André Lureau 提交于
The header is now empty. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NIgor Mammedov <imammedo@redhat.com> Reviewed-by: NCornelia Huck <cohuck@redhat.com> Acked-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Marc-André Lureau 提交于
Use static arrays instead. I decided to rename the conflicting pc_compat_2_1() function with pc_compat_2_1_fn(). Suggested-by: NEduardo Habkost <ehabkost@redhat.com> Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NIgor Mammedov <imammedo@redhat.com> Reviewed-by: NCornelia Huck <cohuck@redhat.com> Acked-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Marc-André Lureau 提交于
Use static arrays instead. I decided to rename the conflicting pc_compat_2_2() function with pc_compat_2_2_fn(). Suggested-by: NEduardo Habkost <ehabkost@redhat.com> Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NIgor Mammedov <imammedo@redhat.com> Reviewed-by: NCornelia Huck <cohuck@redhat.com> Acked-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Marc-André Lureau 提交于
Use static arrays instead. I decided to rename the conflicting pc_compat_2_3() function with pc_compat_2_3_fn(). Suggested-by: NEduardo Habkost <ehabkost@redhat.com> Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NIgor Mammedov <imammedo@redhat.com> Reviewed-by: NCornelia Huck <cohuck@redhat.com> Acked-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Marc-André Lureau 提交于
Use static arrays instead. Suggested-by: NEduardo Habkost <ehabkost@redhat.com> Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NIgor Mammedov <imammedo@redhat.com> Reviewed-by: NCornelia Huck <cohuck@redhat.com> Acked-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Marc-André Lureau 提交于
Use static arrays instead. Suggested-by: NEduardo Habkost <ehabkost@redhat.com> Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NIgor Mammedov <imammedo@redhat.com> Reviewed-by: NCornelia Huck <cohuck@redhat.com> Acked-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Marc-André Lureau 提交于
Use static arrays instead. Suggested-by: NEduardo Habkost <ehabkost@redhat.com> Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NIgor Mammedov <imammedo@redhat.com> Reviewed-by: NCornelia Huck <cohuck@redhat.com> Acked-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Marc-André Lureau 提交于
Use static arrays instead. Suggested-by: NEduardo Habkost <ehabkost@redhat.com> Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NIgor Mammedov <imammedo@redhat.com> Reviewed-by: NCornelia Huck <cohuck@redhat.com> Acked-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Marc-André Lureau 提交于
Use static arrays instead. Suggested-by: NEduardo Habkost <ehabkost@redhat.com> Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NIgor Mammedov <imammedo@redhat.com> Reviewed-by: NCornelia Huck <cohuck@redhat.com> Acked-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Marc-André Lureau 提交于
Use static arrays instead. Suggested-by: NEduardo Habkost <ehabkost@redhat.com> Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NIgor Mammedov <imammedo@redhat.com> Reviewed-by: NCornelia Huck <cohuck@redhat.com> Acked-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Marc-André Lureau 提交于
Use static arrays instead. Suggested-by: NEduardo Habkost <ehabkost@redhat.com> Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NIgor Mammedov <imammedo@redhat.com> Reviewed-by: NCornelia Huck <cohuck@redhat.com> Acked-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Marc-André Lureau 提交于
Use static arrays instead. Suggested-by: NEduardo Habkost <ehabkost@redhat.com> Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NIgor Mammedov <imammedo@redhat.com> Reviewed-by: NCornelia Huck <cohuck@redhat.com> Acked-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Marc-André Lureau 提交于
Use static arrays instead. Suggested-by: NEduardo Habkost <ehabkost@redhat.com> Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NIgor Mammedov <imammedo@redhat.com> Reviewed-by: NCornelia Huck <cohuck@redhat.com> Acked-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Marc-André Lureau 提交于
Use static arrays instead. Suggested-by: NEduardo Habkost <ehabkost@redhat.com> Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NIgor Mammedov <imammedo@redhat.com> Reviewed-by: NCornelia Huck <cohuck@redhat.com> Acked-by: NEduardo Habkost <ehabkost@redhat.com>
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由 Marc-André Lureau 提交于
Use static arrays instead. Suggested-by: NEduardo Habkost <ehabkost@redhat.com> Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NIgor Mammedov <imammedo@redhat.com> Reviewed-by: NCornelia Huck <cohuck@redhat.com> Acked-by: NEduardo Habkost <ehabkost@redhat.com>
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- 20 12月, 2018 1 次提交
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由 Peter Xu 提交于
Support DMA read/write draining should be easy for existing VT-d emulation since the emulation itself does not have any request queue there so we don't need to do anything to flush the un-commited queue. What we need to do is to declare the support. These capabilities are required to pass Windows SVVP test program. It is verified that when with parameters "x-aw-bits=48,caching-mode=off" we can pass the Windows SVVP test with this patch applied. Otherwise we'll fail with: IOMMU[0] - DWD (DMA write draining) not supported IOMMU[0] - DWD (DMA read draining) not supported Segment 0 has no DMA remapping capable IOMMU units However since these bits are not declared support for QEMU<=3.1, we'll need a compatibility bit for it and we turn this on by default only for QEMU>=4.0. Please refer to VT-d spec 6.5.4 for more information. CC: Yu Wang <wyu@redhat.com> Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1654550Signed-off-by: NPeter Xu <peterx@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
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- 12 12月, 2018 1 次提交
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由 Alex Williamson 提交于
Including all machine types that might have a pcie-root-port. Cc: Peter Maydell <peter.maydell@linaro.org> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Eduardo Habkost <ehabkost@redhat.com> Acked-by: NDavid Gibson <david@gibson.dropbear.id.au> Signed-off-by: NAlex Williamson <alex.williamson@redhat.com> Message-Id: <154394083644.28192.8501647946108201466.stgit@gimli.home> Reviewed-by: NEric Auger <eric.auger@redhat.com> [ehabkost: fixed accidental recursion at spapr_machine_3_1_class_options()] Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>
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