[Xen-devel] Re: [PATCH V4 5/6] libxc, save/restore, Save the HVM_PARAM_ACPI_IOPORTS_LOCATION

[Anthony PERARD <anthony.perard@xxxxxxxxxx>]

On Fri, 29 Oct 2010, Anthony Perard wrote:

> From: Anthony PERARD <anthony.perard@xxxxxxxxxx>
>
> This will save the acpi_ioport_location hvm_param in the checkpoint file
> and set the parameter in Xen at restore.
>
> Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
> ---
>  tools/libxc/xc_domain_restore.c |   20 ++++++++++++++++++++
>  tools/libxc/xc_domain_save.c    |   10 ++++++++++
>  tools/libxc/xg_save_restore.h   |    1 +
>  3 files changed, 31 insertions(+), 0 deletions(-)
>
> diff --git a/tools/libxc/xc_domain_save.c b/tools/libxc/xc_domain_save.c
> index 47f8a79..dbc4abb 100644
> --- a/tools/libxc/xc_domain_save.c
> +++ b/tools/libxc/xc_domain_save.c
> @@ -1618,6 +1618,16 @@ int xc_domain_save(xc_interface *xch, int io_fd, 
> uint32_t dom, uint32_t max_iter
>              PERROR("Error when writing the console pfn for guest");
>              goto out;
>          }
> +
> +        chunk.id = XC_SAVE_ID_HVM_ACPI_IOPORTS_LOCATION;
> +        xc_get_hvm_param(xch, dom, HVM_PARAM_ACPI_IOPORTS_LOCATION,
> +                         (unsigned long *)&chunk.data);
> +
> +        if ((chunk.data != 0) && wrexact(io_fd, &chunk, sizeof(int)))

I have to fix this, the data size to write is no longer an int.

> +        {
> +            PERROR("Error when writing the firmware ioport version");
> +            goto out;
> +        }
>      }
>
>      if ( !callbacks->checkpoint )

-- 
Anthony PERARD

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