Re: [Xen-devel] [PATCH] xen pv-on-hvm: add pfn_is_ram helper forkdump

[Olaf Hering]

On Thu, Jul 12, Konrad Rzeszutek Wilk wrote:

> > +++ b/include/xen/interface/hvm/hvm_op.h
> > @@ -43,4 +43,24 @@ struct xen_hvm_pagetable_dying {
> >  typedef struct xen_hvm_pagetable_dying xen_hvm_pagetable_dying_t;
> >  DEFINE_GUEST_HANDLE_STRUCT(xen_hvm_pagetable_dying_t);
> >   
> > +typedef enum {
> > +    HVMMEM_ram_rw,             /* Normal read/write guest RAM */
> > +    HVMMEM_ram_ro,             /* Read-only; writes are discarded */
> > +    HVMMEM_mmio_dm,            /* Reads and write go to the device model */
> > +} hvmmem_type_t;
> 
> Does this have to be a typdef?
> 
> > +
> > +#define HVMOP_get_mem_type    15
> > +/* Return hvmmem_type_t for the specified pfn. */
> > +struct xen_hvm_get_mem_type {
> > +    /* Domain to be queried. */
> > +    domid_t domid;
> > +    /* OUT variable. */
> > +    uint16_t mem_type;
> > +    uint16_t pad[2]; /* align next field on 8-byte boundary */
> > +    /* IN variable. */
> > +    uint64_t pfn;
> > +};
> > +typedef struct xen_hvm_get_mem_type xen_hvm_get_mem_type_t;
> 
> Please no typdefs. I can fix this up, but in the future pls don't add
> more of them.

Its just a forward port from what went into linux-2.6.18.


Olaf
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