| /* |
| * Copyright 2018, Data61 |
| * Commonwealth Scientific and Industrial Research Organisation (CSIRO) |
| * ABN 41 687 119 230. |
| * |
| * This software may be distributed and modified according to the terms of |
| * the BSD 2-Clause license. Note that NO WARRANTY is provided. |
| * See "LICENSE_BSD2.txt" for details. |
| * |
| * @TAG(DATA61_BSD) |
| */ |
| #pragma once |
| |
| #include <errno.h> |
| #include <sel4/sel4.h> |
| #include <sel4/sel4_arch/mapping.h> |
| #include <utils/util.h> |
| #include <vspace/arch/page.h> |
| |
| typedef seL4_Error(*vspace_map_fn_t)(seL4_CPtr cap, seL4_CPtr vspace_root, seL4_Word vaddr, |
| seL4_Word attr); |
| typedef seL4_Error(*vspace_map_page_fn_t)(seL4_CPtr cap, seL4_CPtr vspace_root, seL4_Word vaddr, |
| seL4_CapRights_t rights, seL4_Word attr); |
| |
| static inline seL4_Error vspace_iospace_map_page(seL4_CPtr cap, seL4_CPtr root, seL4_Word vaddr, |
| seL4_CapRights_t rights, UNUSED seL4_Word attr) |
| { |
| #if defined(CONFIG_IOMMU) || defined(CONFIG_ARM_SMMU) |
| return seL4_ARCH_Page_MapIO(cap, root, rights, vaddr); |
| #else |
| return -1; |
| #endif |
| } |
| |
| /* Map object: defines a size, type and function for mapping an architecture specific |
| * page table */ |
| typedef struct { |
| /* type to pass to untype retype to create this object */ |
| seL4_Word type; |
| /* size_bits of this object */ |
| seL4_Word size_bits; |
| /* function that can be used to map this object */ |
| vspace_map_fn_t map_fn; |
| } vspace_map_obj_t; |
| |
| typedef int (*vspace_get_map_obj_fn)(seL4_Word failed_bits, vspace_map_obj_t *obj); |
| |
| /* |
| * Populate a map object for a specific number of failed bits. |
| * |
| * @param failed_bits: the failed_bits returned by seL4_MappingFailedLookupLevel() after a failed |
| * frame mapping operation. |
| * @param obj: object to populate with details. |
| * @return 0 on success, EINVAL if failed_bits is invalid. |
| */ |
| int vspace_get_map_obj(seL4_Word failed_bits, vspace_map_obj_t *obj); |
| /* As per vspace_get_map_obj but returns operations and sizes for an iospace (IOMMU). */ |
| int vspace_get_iospace_map_obj(UNUSED seL4_Word failed_bits, vspace_map_obj_t *obj); |
| /* As per vspace_get_map_obj but returns operations and sizes for virtual page tables */ |
| int vspace_get_ept_map_obj(seL4_Word failed_bits, vspace_map_obj_t *obj); |
| |
| static inline seL4_Error vspace_map_obj(vspace_map_obj_t *obj, seL4_CPtr cap, |
| seL4_CPtr vspace, seL4_Word vaddr, seL4_Word attr) |
| { |
| ZF_LOGF_IF(obj == NULL, "obj must not be NULL"); |
| ZF_LOGF_IF(obj->map_fn == NULL, "obj must be populated"); |
| return obj->map_fn(cap, vspace, vaddr, attr); |
| } |