Re: [Qemu-devel] [PATCH 4/5] pci: designware: Update MSI mapping when MSI address changes

["Michael S. Tsirkin" <mst@redhat.com>]

On Mon, Apr 15, 2019 at 06:39:01PM -0700, Andrey Smirnov wrote:
> MSI mapping needs to be update when MSI address changes, so add the
> code to do so.
> 
> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
> Cc: Peter Maydell <peter.maydell@linaro.org>
> Cc: Michael S. Tsirkin <mst@redhat.com>
> Cc: qemu-devel@nongnu.org
> Cc: qemu-arm@nongnu.org

Acked-by: Michael S. Tsirkin <mst@redhat.com>

> ---
>  hw/pci-host/designware.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/hw/pci-host/designware.c b/hw/pci-host/designware.c
> index 6affe823c0..e80facc4a0 100644
> --- a/hw/pci-host/designware.c
> +++ b/hw/pci-host/designware.c
> @@ -289,11 +289,13 @@ static void designware_pcie_root_config_write(PCIDevice *d, uint32_t address,
>      case DESIGNWARE_PCIE_MSI_ADDR_LO:
>          root->msi.base &= 0xFFFFFFFF00000000ULL;
>          root->msi.base |= val;
> +        designware_pcie_root_update_msi_mapping(root);
>          break;
>  
>      case DESIGNWARE_PCIE_MSI_ADDR_HI:
>          root->msi.base &= 0x00000000FFFFFFFFULL;
>          root->msi.base |= (uint64_t)val << 32;
> +        designware_pcie_root_update_msi_mapping(root);
>          break;
>  
>      case DESIGNWARE_PCIE_MSI_INTR0_ENABLE:
> -- 
> 2.20.1