xen/interface/memory.h

28  * devices often have a 32-bit limitation even in 64-bit systems). If zero
52      *   IN:  GMFN bases of extents to free
54      *   IN:  GPFN bases of extents to populate with memory
58      *   IN: must be zero
86  * On complete success then always @nr_exchanged == @in.nr_extents.
94      * [IN] Details of memory extents to be exchanged (GMFN bases).
95      * Note that @in.address_bits is ignored and unused.
97     struct xen_memory_reservation in;  member
100      * [IN/OUT] Details of new memory extents.
102      *  1. @in.domid == @out.domid
103      *  2. @in.nr_extents  << @in.extent_order ==
105      *  3. @in.extent_start and @out.extent_start lists must not overlap
115      *  2. The corresponding first entries in the output extent list correctly
128  * Returns the maximum machine frame number of mapped RAM in this system.
135     /* [IN] Domain information is being queried for. */
140  * Returns the current or maximum memory reservation, in pages, of the
148  * Returns the maximum GFN in use by the specified domain (may be DOMID_SELF).
170      * any large discontiguities in the machine address space, 2MB gaps in
194  * Returns the location in virtual address space of the machine_to_phys
216                                       ARM only; the region is mapped in
223  * Sets the GPFN at which a particular page appears in the specified guest's
242     /* GPFN in domid where the source mapping page should appear. */
251     /* IN */
271     /* GPFN in domid where the source mapping page should appear. */
316      * On call the number of entries which can be stored in buffer. On
317      * return the number of entries which have been stored in
323      * Entries in the buffer are in the same format as returned by the
356     /* IN */
362     /* IN */
389     /* IN: (XENMEM_paging_op_prep) buffer to immediately fill page from */
391     /* IN:  gfn of page being operated on */
402  * currently unused, but since they have been in use please do not reuse them.
482  * for sharing utilities sitting as "filters" in IO backends
501                 uint64_aligned_t gfn;     /* IN: gfn to nominate       */
502                 uint32_t      grant_ref;  /* IN: grant ref to nominate */
507             uint64_aligned_t source_gfn;    /* IN: the gfn of the source page */
508             uint64_aligned_t source_handle; /* IN: handle to the source page */
509             uint64_aligned_t client_gfn;    /* IN: the client gfn */
510             uint64_aligned_t client_handle; /* IN: handle to the client page */
511             domid_t  client_domain; /* IN: the client domain id */
514             uint64_aligned_t first_gfn;      /* IN: the first gfn */
515             uint64_aligned_t last_gfn;       /* IN: the last gfn */
517             domid_t client_domain;           /* IN: the client domain id */
522                 uint64_aligned_t gfn;      /* IN: gfn to debug          */
523                 uint64_aligned_t mfn;      /* IN: mfn to debug          */
524                 uint32_t gref;     /* IN: gref to debug         */
528             domid_t parent_domain;        /* IN: parent's domain id */
535             uint16_t flags;               /* IN: optional settings */
558  * allocated for a domain.  In this case, the claim is not incremental,
586     /* IN */
589      * IN/OUT
597     /* IN */
613     /* IN - The domain whose resource is to be mapped */
615     /* IN - the type of resource */
623      * IN - a type-specific resource identifier, which must be zero
635      * IN/OUT
637      * As an IN parameter number of frames of the resource to be mapped.
641      * request for the size of the resource, which shall be returned in the
652      * In a previous version this was an output field with the lowest bit
659      * IN - the index of the initial frame to be mapped. This parameter
669      * IN/OUT - If the tools domain is PV then, upon return, frame_list
710     /* IN */
713     /* IN/OUT */