diff options
| author | Bernhard Beschow <shentey@gmail.com> | 2023-04-03 09:41:21 +0200 |
|---|---|---|
| committer | Anthony PERARD <anthony.perard@citrix.com> | 2023-06-07 15:07:10 +0100 |
| commit | 60a9eb57f337ee36cb9140154a83edb2c41f00c6 (patch) | |
| tree | c0db0ff9d4edab8068a0e8e2d9f3cee2904ed995 /hw/isa | |
| parent | a58a31a6a18ab650c6b676eccf98b6f68ac672d0 (diff) | |
hw/isa/piix3: Wire up Xen PCI IRQ handling outside of PIIX3
xen_intx_set_irq() doesn't depend on PIIX3State. In order to resolve
TYPE_PIIX3_XEN_DEVICE and in order to make Xen agnostic about the
precise south bridge being used, set up Xen's PCI IRQ handling of PIIX3
in the board.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
Tested-by: Chuck Zmudzinski <brchuckz@aol.com>
Message-Id: <20230312120221.99183-4-shentey@gmail.com>
Message-Id: <20230403074124.3925-5-shentey@gmail.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Diffstat (limited to 'hw/isa')
| -rw-r--r-- | hw/isa/piix3.c | 24 |
1 files changed, 1 insertions, 23 deletions
diff --git a/hw/isa/piix3.c b/hw/isa/piix3.c index 800b80f2bb..0b7e9ade0d 100644 --- a/hw/isa/piix3.c +++ b/hw/isa/piix3.c @@ -35,8 +35,6 @@ #include "migration/vmstate.h" #include "hw/acpi/acpi_aml_interface.h" -#define XEN_IOAPIC_NUM_PIRQS 128ULL - static void piix3_set_irq_pic(PIIX3State *piix3, int pic_irq) { qemu_set_irq(piix3->pic[pic_irq], @@ -403,32 +401,12 @@ static const TypeInfo piix3_info = { .class_init = piix3_class_init, }; -static void piix3_xen_realize(PCIDevice *dev, Error **errp) -{ - ERRP_GUARD(); - PIIX3State *piix3 = PIIX3_PCI_DEVICE(dev); - PCIBus *pci_bus = pci_get_bus(dev); - - piix3_realize(dev, errp); - if (*errp) { - return; - } - - /* - * Xen supports additional interrupt routes from the PCI devices to - * the IOAPIC: the four pins of each PCI device on the bus are also - * connected to the IOAPIC directly. - * These additional routes can be discovered through ACPI. - */ - pci_bus_irqs(pci_bus, xen_intx_set_irq, piix3, XEN_IOAPIC_NUM_PIRQS); -} - static void piix3_xen_class_init(ObjectClass *klass, void *data) { PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); k->config_write = piix3_write_config_xen; - k->realize = piix3_xen_realize; + k->realize = piix3_realize; } static const TypeInfo piix3_xen_info = { |