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References: <20170718142455.32676-1-cohuck@redhat.com>
	<20170718142455.32676-2-cohuck@redhat.com>
From: Thomas Huth <thuth@redhat.com>
Message-ID: <77385052-7626-acdc-fa2b-8085e15f778d@redhat.com>
Date: Tue, 18 Jul 2017 17:00:22 +0200
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Subject: Re: [Qemu-devel] [PATCH RFC v2 1/9] kvm: remove hard dependency on
 pci
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To: Cornelia Huck <cohuck@redhat.com>, qemu-devel@nongnu.org
Cc: borntraeger@de.ibm.com, agraf@suse.de, pmorel@linux.vnet.ibm.com, zyimin@linux.vnet.ibm.com

On 18.07.2017 16:24, Cornelia Huck wrote:
> The msi routing code in kvm calls some pci functions: provide
> some stubs to enable builds without pci.
> 
> Fixes: e1d4fb2de ("kvm-irqchip: x86: add msi route notify fn")
> Fixes: 767a554a0 ("kvm-all: Pass requester ID to MSI routing functions")
> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
> ---
>  hw/pci/pci-stub.c | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/hw/pci/pci-stub.c b/hw/pci/pci-stub.c
> index ecad664946..bc228ce91e 100644
> --- a/hw/pci/pci-stub.c
> +++ b/hw/pci/pci-stub.c
> @@ -23,6 +23,7 @@
>  #include "monitor/monitor.h"
>  #include "qapi/qmp/qerror.h"
>  #include "hw/pci/pci.h"
> +#include "hw/pci/msi.h"
>  #include "qmp-commands.h"
>  #include "hw/pci/msi.h"
>  
> @@ -38,3 +39,14 @@ void hmp_pcie_aer_inject_error(Monitor *mon, const QDict *qdict)
>  {
>      monitor_printf(mon, "PCI devices not supported\n");
>  }
> +
> +/* kvm-all wants this */
> +MSIMessage pci_get_msi_message(PCIDevice *dev, int vector)
> +{
> +    assert(false);
> +}
> +
> +uint16_t pci_requester_id(PCIDevice *dev)
> +{
> +    assert(false);
> +}
> 

Would it be feasible to move the offending code from kvm-all.c into a
new file called kvm-pci.c instead which then only gets compiled for
CONFIG_PCI=y ? I think that would be a cleaner solution ...

 Thomas