XenPVH requires the PCIe/GPEX device. Add it to Kconfig
to avoid when configuring using --without-default-devices:

  /usr/bin/ld: libqemu-aarch64-softmmu.a.p/hw_xen_xen-pvh-common.c.o: in function `xenpvh_gpex_init':
  hw/xen/xen-pvh-common.c:174: undefined reference to `gpex_set_irq_num'
  /usr/bin/ld: libqemu-aarch64-softmmu.a.p/hw_xen_xen-hvm-common.c.o: in function `pci_dev_bus_num':
  include/hw/pci/pci.h:337: undefined reference to `pci_bus_num'
  /usr/bin/ld: include/hw/pci/pci.h:337: undefined reference to `pci_bus_num'
  /usr/bin/ld: include/hw/pci/pci.h:337: undefined reference to `pci_bus_num'
  /usr/bin/ld: include/hw/pci/pci.h:337: undefined reference to `pci_bus_num'
  /usr/bin/ld: include/hw/pci/pci.h:337: undefined reference to `pci_bus_num'
  /usr/bin/ld: libqemu-aarch64-softmmu.a.p/hw_xen_xen-hvm-common.c.o: in function `cpu_ioreq_config':
  hw/xen/xen-hvm-common.c:412: undefined reference to `pci_host_config_read_common'
  /usr/bin/ld: hw/xen/xen-hvm-common.c:428: undefined reference to `pci_host_config_read_common'
  /usr/bin/ld: hw/xen/xen-hvm-common.c:438: undefined reference to `pci_host_config_write_common'

Fixes: f22e598a72c ("hw/xen: pvh-common: Add support for creating PCIe/GPEX")
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 accel/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/accel/Kconfig b/accel/Kconfig
index 794e0d18d21..4263cab7227 100644
--- a/accel/Kconfig
+++ b/accel/Kconfig
@@ -16,4 +16,5 @@ config KVM
 config XEN
     bool
     select FSDEV_9P if VIRTFS
+    select PCI_EXPRESS_GENERIC_BRIDGE
     select XEN_BUS
-- 
2.47.1

On Tue, Feb 18, 2025 at 10:26 AM Philippe Mathieu-Daudé <philmd@linaro.org>
wrote:

> XenPVH requires the PCIe/GPEX device. Add it to Kconfig
> to avoid when configuring using --without-default-devices:
>
>   /usr/bin/ld: libqemu-aarch64-softmmu.a.p/hw_xen_xen-pvh-common.c.o: in
> function `xenpvh_gpex_init':
>   hw/xen/xen-pvh-common.c:174: undefined reference to `gpex_set_irq_num'
>   /usr/bin/ld: libqemu-aarch64-softmmu.a.p/hw_xen_xen-hvm-common.c.o: in
> function `pci_dev_bus_num':
>   include/hw/pci/pci.h:337: undefined reference to `pci_bus_num'
>   /usr/bin/ld: include/hw/pci/pci.h:337: undefined reference to
> `pci_bus_num'
>   /usr/bin/ld: include/hw/pci/pci.h:337: undefined reference to
> `pci_bus_num'
>   /usr/bin/ld: include/hw/pci/pci.h:337: undefined reference to
> `pci_bus_num'
>   /usr/bin/ld: include/hw/pci/pci.h:337: undefined reference to
> `pci_bus_num'
>   /usr/bin/ld: libqemu-aarch64-softmmu.a.p/hw_xen_xen-hvm-common.c.o: in
> function `cpu_ioreq_config':
>   hw/xen/xen-hvm-common.c:412: undefined reference to
> `pci_host_config_read_common'
>   /usr/bin/ld: hw/xen/xen-hvm-common.c:428: undefined reference to
> `pci_host_config_read_common'
>   /usr/bin/ld: hw/xen/xen-hvm-common.c:438: undefined reference to
> `pci_host_config_write_common'
>
> Fixes: f22e598a72c ("hw/xen: pvh-common: Add support for creating
> PCIe/GPEX")
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
>

Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>



> ---
>  accel/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/accel/Kconfig b/accel/Kconfig
> index 794e0d18d21..4263cab7227 100644
> --- a/accel/Kconfig
> +++ b/accel/Kconfig
> @@ -16,4 +16,5 @@ config KVM
>  config XEN
>      bool
>      select FSDEV_9P if VIRTFS
> +    select PCI_EXPRESS_GENERIC_BRIDGE
>      select XEN_BUS
> --
> 2.47.1
>
>