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Re: [PATCH] microvm: Enable hotplug of pcie
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From: |
Michael S. Tsirkin |
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Subject: |
Re: [PATCH] microvm: Enable hotplug of pcie |
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Date: |
Tue, 27 Apr 2021 18:36:54 -0400 |
On Tue, Apr 27, 2021 at 09:04:27PM +0800, suyuheng wrote:
> From: Yuheng Su <suyuheng@bytedance.com>
>
> Signed-off-by: Yuheng Su <suyuheng@bytedance.com>
seems to be extended config space as opposed to hotplug ...
> ---
> hw/i386/acpi-microvm.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/hw/i386/acpi-microvm.c b/hw/i386/acpi-microvm.c
> index ccd3303aac..4f32bf512f 100644
> --- a/hw/i386/acpi-microvm.c
> +++ b/hw/i386/acpi-microvm.c
> @@ -26,6 +26,7 @@
>
> #include "exec/memory.h"
> #include "hw/acpi/acpi.h"
> +#include "hw/acpi/pci.h"
> #include "hw/acpi/aml-build.h"
> #include "hw/acpi/bios-linker-loader.h"
> #include "hw/acpi/generic_event_device.h"
> @@ -209,6 +210,16 @@ static void acpi_build_microvm(AcpiBuildTables *tables,
> ACPI_DEVICE_IF(x86ms->acpi_dev), x86ms->oem_id,
> x86ms->oem_table_id);
>
> + acpi_add_table(table_offsets, tables_blob);
> + {
> + AcpiMcfgInfo mcfg = {
> + .base = mms->gpex.ecam.base,
> + .size = mms->gpex.ecam.size,
> + };
> + build_mcfg(tables_blob, tables->linker, &mcfg, x86ms->oem_id,
> + x86ms->oem_table_id);
> + }
> +
> xsdt = tables_blob->len;
> build_xsdt(tables_blob, tables->linker, table_offsets, x86ms->oem_id,
> x86ms->oem_table_id);
> --
> 2.11.0