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[PATCH v3 05/10] microvm: add usb support
From: |
Gerd Hoffmann |
Subject: |
[PATCH v3 05/10] microvm: add usb support |
Date: |
Tue, 20 Oct 2020 09:48:39 +0200 |
Wire up "usb=on" machine option, when enabled add
a sysbus xhci controller with 8 ports.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
include/hw/i386/microvm.h | 5 ++++-
hw/i386/acpi-microvm.c | 9 +++++++++
hw/i386/microvm.c | 13 +++++++++++++
hw/i386/Kconfig | 1 +
4 files changed, 27 insertions(+), 1 deletion(-)
diff --git a/include/hw/i386/microvm.h b/include/hw/i386/microvm.h
index 91b064575d55..0fc216007777 100644
--- a/include/hw/i386/microvm.h
+++ b/include/hw/i386/microvm.h
@@ -41,7 +41,7 @@
* 7 | parallel |
* 8 | rtc | rtc (rtc=on)
* 9 | acpi | acpi (ged)
- * 10 | pci lnk |
+ * 10 | pci lnk | xhci (usb=on)
* 11 | pci lnk |
* 12 | ps2 | pcie
* 13 | fpu | pcie
@@ -60,6 +60,9 @@
#define GED_MMIO_BASE_REGS (GED_MMIO_BASE + 0x200)
#define GED_MMIO_IRQ 9
+#define MICROVM_XHCI_BASE 0xfe900000
+#define MICROVM_XHCI_IRQ 10
+
#define PCIE_MMIO_BASE 0xc0000000
#define PCIE_MMIO_SIZE 0x20000000
#define PCIE_ECAM_BASE 0xe0000000
diff --git a/hw/i386/acpi-microvm.c b/hw/i386/acpi-microvm.c
index f16f2311955c..7e8a6894ba26 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 68a7f424acf9..6672cfa254ee 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;
diff --git a/hw/i386/Kconfig b/hw/i386/Kconfig
index 32aa15533bd8..eea059ffef54 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
--
2.27.0
- [PATCH v3 02/10] usb/xhci: add include/hw/usb/xhci.h header file, (continued)
- [PATCH v3 02/10] usb/xhci: add include/hw/usb/xhci.h header file, Gerd Hoffmann, 2020/10/20
- [PATCH v3 09/10] tests/acpi: add microvm rtc test, Gerd Hoffmann, 2020/10/20
- [PATCH v3 01/10] acpi: add aml builder stubs, Gerd Hoffmann, 2020/10/20
- [PATCH v3 04/10] usb/xhci: fixup xhci kconfig deps, Gerd Hoffmann, 2020/10/20
- [PATCH v3 03/10] usb/xhci: add xhci_sysbus_build_aml() helper, Gerd Hoffmann, 2020/10/20
- [PATCH v3 08/10] tests/acpi: add microvm usb test, Gerd Hoffmann, 2020/10/20
- [PATCH v3 07/10] tests/acpi: add empty tests/data/acpi/microvm/DSDT.{usb, rtc} files, Gerd Hoffmann, 2020/10/20
- [PATCH v3 06/10] tests/acpi: allow updates for expected data files, Gerd Hoffmann, 2020/10/20
- [PATCH v3 05/10] microvm: add usb support,
Gerd Hoffmann <=