xen/interface/memory.h

1 /* SPDX-License-Identifier: MIT */
28  * devices often have a 32-bit limitation even in 64-bit systems). If zero
36 #define XENMEMF_get_node(x) ((((x) >> 8) - 1) & 0xffu)
37 /* Flag to populate physmap with populate-on-demand entries */
84  * @out.extent_list provides GMFNs of the newly-allocated memory.
119      *     command will be non-zero.
141  * specified domain (may be DOMID_SELF). Returns -ve errcode on failure.
149  * Returns -ve errcode on failure.
185  * For a compat caller, this is identical to XENMEM_machphys_mfn_list.
187  * For a non compat caller, this functions similarly to
217                                       Stage-2 using the Normal Memory
218                                       Inner/Outer Write-Back Cacheable
309  * Returns the pseudo-physical memory map as it was when the domain
341  * Set the pseudo-physical memory map of a domain, as returned by
419      * Page starts off as r-x, but automatically
420      * change to r-w on a write
478 #define XENMEM_SHARING_OP_S_HANDLE_INVALID  (-10)
479 #define XENMEM_SHARING_OP_C_HANDLE_INVALID  (-9)
529 /* Only makes sense for short-lived forks */
531 /* Only makes sense for short-lived forks */
547  * not be preemptible, thus sidestepping time-of-check-time-of-use
550  * number of pages, else non-zero.
567  * XENMEM_claim_pages flags - the are no flags at this time.
572  * With some legacy devices, certain guest-physical addresses cannot safely
592      * signaled by error code -ERANGE.
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
626      * type == XENMEM_resource_ioreq_server -> id == ioreq server id
627      * type == XENMEM_resource_grant_table -> id defined below
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
674      *          If -EIO is returned then the frame_list has only been
741  * c-file-style: "BSD"
742  * c-basic-offset: 4
743  * tab-width: 4
744  * indent-tabs-mode: nil