[PATCH V3] Add flag to start info regarding virtual mapped p2m list

[PATCH V3] Add flag to start info regarding virtual mapped p2m list

[Juergen Gross]

In order to indicate the Xen tools capability to support the virtual
mapped linear p2m list instead the 3 level mfn tree add a flag to the
start_info page.

Signed-off-by: Juergen Gross <jgross@suse.com>
---
 xen/include/public/xen.h | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/xen/include/public/xen.h b/xen/include/public/xen.h
index 3703c39..66c09a3 100644
--- a/xen/include/public/xen.h
+++ b/xen/include/public/xen.h
@@ -773,10 +773,12 @@ typedef struct start_info start_info_t;
 #endif /* XEN_HAVE_PV_GUEST_ENTRY */
 
 /* These flags are passed in the 'flags' field of start_info_t. */
-#define SIF_PRIVILEGED    (1<<0)  /* Is the domain privileged? */
-#define SIF_INITDOMAIN    (1<<1)  /* Is this the initial control domain? */
-#define SIF_MULTIBOOT_MOD (1<<2)  /* Is mod_start a multiboot module? */
-#define SIF_MOD_START_PFN (1<<3)  /* Is mod_start a PFN? */
+#define SIF_PRIVILEGED      (1<<0)  /* Is the domain privileged? */
+#define SIF_INITDOMAIN      (1<<1)  /* Is this the initial control domain? */
+#define SIF_MULTIBOOT_MOD   (1<<2)  /* Is mod_start a multiboot module? */
+#define SIF_MOD_START_PFN   (1<<3)  /* Is mod_start a PFN? */
+#define SIF_VIRT_P2M_4TOOLS (1<<4)  /* Do Xen tools understand a virt. mapped */
+                                    /* P->M making the 3 level tree obsolete? */
 #define SIF_PM_MASK       (0xFF<<8) /* reserve 1 byte for xen-pm options */
 
 /*
-- 
2.1.4

Re: [PATCH V3] Add flag to start info regarding virtual mapped p2m list

[Juergen Gross]

On 03/04/2015 07:56 AM, Juergen Gross wrote:
> In order to indicate the Xen tools capability to support the virtual
> mapped linear p2m list instead the 3 level mfn tree add a flag to the
> start_info page.
>
> Signed-off-by: Juergen Gross <jgross@suse.com>

Ping?

> ---
>   xen/include/public/xen.h | 10 ++++++----
>   1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/xen/include/public/xen.h b/xen/include/public/xen.h
> index 3703c39..66c09a3 100644
> --- a/xen/include/public/xen.h
> +++ b/xen/include/public/xen.h
> @@ -773,10 +773,12 @@ typedef struct start_info start_info_t;
>   #endif /* XEN_HAVE_PV_GUEST_ENTRY */
>
>   /* These flags are passed in the 'flags' field of start_info_t. */
> -#define SIF_PRIVILEGED    (1<<0)  /* Is the domain privileged? */
> -#define SIF_INITDOMAIN    (1<<1)  /* Is this the initial control domain? */
> -#define SIF_MULTIBOOT_MOD (1<<2)  /* Is mod_start a multiboot module? */
> -#define SIF_MOD_START_PFN (1<<3)  /* Is mod_start a PFN? */
> +#define SIF_PRIVILEGED      (1<<0)  /* Is the domain privileged? */
> +#define SIF_INITDOMAIN      (1<<1)  /* Is this the initial control domain? */
> +#define SIF_MULTIBOOT_MOD   (1<<2)  /* Is mod_start a multiboot module? */
> +#define SIF_MOD_START_PFN   (1<<3)  /* Is mod_start a PFN? */
> +#define SIF_VIRT_P2M_4TOOLS (1<<4)  /* Do Xen tools understand a virt. mapped */
> +                                    /* P->M making the 3 level tree obsolete? */
>   #define SIF_PM_MASK       (0xFF<<8) /* reserve 1 byte for xen-pm options */
>
>   /*
>

Re: [PATCH V3] Add flag to start info regarding virtual mapped p2m list

[Ian Campbell]

On Mon, 2015-03-16 at 07:43 +0100, Juergen Gross wrote:
> On 03/04/2015 07:56 AM, Juergen Gross wrote:
> > In order to indicate the Xen tools capability to support the virtual
> > mapped linear p2m list instead the 3 level mfn tree add a flag to the
> > start_info page.
> >
> > Signed-off-by: Juergen Gross <jgross@suse.com>
> 
> Ping?

I'm still waiting for a reply to <1425469278.25940.144.camel@citrix.com>

Ian.

> 
> > ---
> >   xen/include/public/xen.h | 10 ++++++----
> >   1 file changed, 6 insertions(+), 4 deletions(-)
> >
> > diff --git a/xen/include/public/xen.h b/xen/include/public/xen.h
> > index 3703c39..66c09a3 100644
> > --- a/xen/include/public/xen.h
> > +++ b/xen/include/public/xen.h
> > @@ -773,10 +773,12 @@ typedef struct start_info start_info_t;
> >   #endif /* XEN_HAVE_PV_GUEST_ENTRY */
> >
> >   /* These flags are passed in the 'flags' field of start_info_t. */
> > -#define SIF_PRIVILEGED    (1<<0)  /* Is the domain privileged? */
> > -#define SIF_INITDOMAIN    (1<<1)  /* Is this the initial control domain? */
> > -#define SIF_MULTIBOOT_MOD (1<<2)  /* Is mod_start a multiboot module? */
> > -#define SIF_MOD_START_PFN (1<<3)  /* Is mod_start a PFN? */
> > +#define SIF_PRIVILEGED      (1<<0)  /* Is the domain privileged? */
> > +#define SIF_INITDOMAIN      (1<<1)  /* Is this the initial control domain? */
> > +#define SIF_MULTIBOOT_MOD   (1<<2)  /* Is mod_start a multiboot module? */
> > +#define SIF_MOD_START_PFN   (1<<3)  /* Is mod_start a PFN? */
> > +#define SIF_VIRT_P2M_4TOOLS (1<<4)  /* Do Xen tools understand a virt. mapped */
> > +                                    /* P->M making the 3 level tree obsolete? */
> >   #define SIF_PM_MASK       (0xFF<<8) /* reserve 1 byte for xen-pm options */
> >
> >   /*
> >
>