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| author | Gerd Hoffmann <kraxel@redhat.com> | 2020-10-20 09:48:39 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2020-10-21 11:36:19 +0200 |
| commit | d4a42e85818141b190af9c6f43175393f1fcbb44 (patch) | |
| tree | 5a8f49a4dbfb5dbf6d4f44f7ac9e235439bf323b /hw | |
| parent | 7114f6eac333d99b1db87eedd3f6620a98354296 (diff) | |
| download | qemu-d4a42e85818141b190af9c6f43175393f1fcbb44.zip qemu-d4a42e85818141b190af9c6f43175393f1fcbb44.tar.gz qemu-d4a42e85818141b190af9c6f43175393f1fcbb44.tar.bz2 | |
microvm: add usb support
Wire up "usb=on" machine option, when enabled add
a sysbus xhci controller with 8 ports.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20201020074844.5304-6-kraxel@redhat.com
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/i386/Kconfig | 1 | ||||
| -rw-r--r-- | hw/i386/acpi-microvm.c | 9 | ||||
| -rw-r--r-- | hw/i386/microvm.c | 13 |
3 files changed, 23 insertions, 0 deletions
diff --git a/hw/i386/Kconfig b/hw/i386/Kconfig index 32aa155..eea059f 100644 --- a/hw/i386/Kconfig +++ b/hw/i386/Kconfig @@ -105,6 +105,7 @@ config MICROVM select VIRTIO_MMIO select ACPI_HW_REDUCED select PCI_EXPRESS_GENERIC_BRIDGE + select USB_XHCI_SYSBUS config X86_IOMMU bool diff --git a/hw/i386/acpi-microvm.c b/hw/i386/acpi-microvm.c index 5efa89c..d34a301 100644 --- a/hw/i386/acpi-microvm.c +++ b/hw/i386/acpi-microvm.c @@ -35,6 +35,7 @@ #include "hw/i386/microvm.h" #include "hw/pci/pci.h" #include "hw/pci/pcie_host.h" +#include "hw/usb/xhci.h" #include "hw/virtio/virtio-mmio.h" #include "acpi-common.h" @@ -89,6 +90,13 @@ static void acpi_dsdt_add_virtio(Aml *scope, } } +static void acpi_dsdt_add_xhci(Aml *scope, MicrovmMachineState *mms) +{ + if (machine_usb(MACHINE(mms))) { + xhci_sysbus_build_aml(scope, MICROVM_XHCI_BASE, MICROVM_XHCI_IRQ); + } +} + static void acpi_dsdt_add_pci(Aml *scope, MicrovmMachineState *mms) { if (mms->pcie != ON_OFF_AUTO_ON) { @@ -123,6 +131,7 @@ build_dsdt_microvm(GArray *table_data, BIOSLinker *linker, GED_MMIO_IRQ, AML_SYSTEM_MEMORY, GED_MMIO_BASE); acpi_dsdt_add_power_button(sb_scope); acpi_dsdt_add_virtio(sb_scope, mms); + acpi_dsdt_add_xhci(sb_scope, mms); acpi_dsdt_add_pci(sb_scope, mms); aml_append(dsdt, sb_scope); diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c index c60ba4e..5428448 100644 --- a/hw/i386/microvm.c +++ b/hw/i386/microvm.c @@ -47,6 +47,7 @@ #include "hw/acpi/acpi.h" #include "hw/acpi/generic_event_device.h" #include "hw/pci-host/gpex.h" +#include "hw/usb/xhci.h" #include "cpu.h" #include "elf.h" @@ -197,6 +198,18 @@ static void microvm_devices_init(MicrovmMachineState *mms) x86ms->acpi_dev = HOTPLUG_HANDLER(dev); } + if (x86_machine_is_acpi_enabled(x86ms) && machine_usb(MACHINE(mms))) { + DeviceState *dev = qdev_new(TYPE_XHCI_SYSBUS); + qdev_prop_set_uint32(dev, "intrs", 1); + qdev_prop_set_uint32(dev, "slots", XHCI_MAXSLOTS); + qdev_prop_set_uint32(dev, "p2", 8); + qdev_prop_set_uint32(dev, "p3", 8); + sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal); + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, MICROVM_XHCI_BASE); + sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, + x86ms->gsi[MICROVM_XHCI_IRQ]); + } + if (x86_machine_is_acpi_enabled(x86ms) && mms->pcie == ON_OFF_AUTO_ON) { /* use topmost 25% of the address space available */ hwaddr phys_size = (hwaddr)1 << X86_CPU(first_cpu)->phys_bits; |