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Re: [PATCH v2 3/5] xen/domctl, tools: Introduce a new domctl to get guest memory map
- To: Henry Wang <xin.wang2@xxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 11 Mar 2024 17:58:05 +0100
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- Cc: Wei Liu <wl@xxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Alec Kwapis <alec.kwapis@xxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Mon, 11 Mar 2024 16:58:11 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 08.03.2024 02:54, Henry Wang wrote:
> --- a/xen/include/public/domctl.h
> +++ b/xen/include/public/domctl.h
> @@ -946,6 +946,25 @@ struct xen_domctl_paging_mempool {
> uint64_aligned_t size; /* Size in bytes. */
> };
>
> +#define XEN_MAX_MEM_REGIONS 1
> +
> +struct xen_mem_region {
> + uint64_t start;
> + uint64_t size;
uint64_aligned_t?
> + unsigned int type;
uint32_t and explicit padding (incl checking thereof) please.
> +};
> +typedef struct xen_mem_region xen_mem_region_t;
> +DEFINE_XEN_GUEST_HANDLE(xen_mem_region_t);
> +
> +struct xen_domctl_mem_map {
> + /* IN & OUT */
> + uint32_t nr_mem_regions;
> + /* OUT */
> + XEN_GUEST_HANDLE(xen_mem_region_t) buffer;
XEN_GUEST_HANDLE_64() and explicit padding (+checking) again please.
Jan
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