Re: [Xen-devel] [PATCH 3/4] xen: Import Xen public headers used by xen-hvm.c

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> From: Anthony PERARD [mailto:anthony.perard@xxxxxxxxxx]
> Sent: 17 June 2019 16:41
> To: qemu-devel@xxxxxxxxxx
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx; Anthony Perard 
> <anthony.perard@xxxxxxxxxx>; Stefano Stabellini
> <sstabellini@xxxxxxxxxx>; Paul Durrant <Paul.Durrant@xxxxxxxxxx>
> Subject: [PATCH 3/4] xen: Import Xen public headers used by xen-hvm.c
> 
> Following "xen: Fix build with public headers", import other Xen
> public headers that are describing interfaces.
> 
> The headers are cleaned up a bit while importing them. The header
> guard symbols are changed to match QEMU's coding style, some other
> part of the files that QEMU doesn't use are removed.
> 
> xen-mapcache.c doesn't needs params.h, so remove the include.
> 
> Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
> ---
>  hw/i386/xen/xen-hvm.c                 |   6 +-
>  hw/i386/xen/xen-mapcache.c            |   2 -
>  include/hw/xen/interface/hvm/e820.h   |  28 +++++++
>  include/hw/xen/interface/hvm/ioreq.h  | 101 ++++++++++++++++++++++++++
>  include/hw/xen/interface/hvm/params.h |  33 +++++++++
>  5 files changed, 165 insertions(+), 5 deletions(-)
>  create mode 100644 include/hw/xen/interface/hvm/e820.h
>  create mode 100644 include/hw/xen/interface/hvm/ioreq.h
>  create mode 100644 include/hw/xen/interface/hvm/params.h
> 
> diff --git a/hw/i386/xen/xen-hvm.c b/hw/i386/xen/xen-hvm.c
> index 2939122e7c..725f9c2278 100644
> --- a/hw/i386/xen/xen-hvm.c
> +++ b/hw/i386/xen/xen-hvm.c
> @@ -26,9 +26,9 @@
>  #include "trace.h"
>  #include "exec/address-spaces.h"
> 
> -#include <xen/hvm/ioreq.h>
> -#include <xen/hvm/params.h>
> -#include <xen/hvm/e820.h>
> +#include "hw/xen/interface/hvm/ioreq.h"
> +#include "hw/xen/interface/hvm/params.h"

AFAICT the only place (apart from legacy code in xen_common.h) that params.h is 
necessary is in xen_suspend_notifier(). I wonder whether that would be better 
moved into xen_common.h too (since it's just a wrapper round xc_set_hvm_param() 
and then the inclusion of params.h can be moved there as well.

  Paul

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