diff options
Diffstat (limited to 'lib/libvmmapi/vmmapi.h')
| -rw-r--r-- | lib/libvmmapi/vmmapi.h | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/lib/libvmmapi/vmmapi.h b/lib/libvmmapi/vmmapi.h index e8cc8babea6d..f066c501e068 100644 --- a/lib/libvmmapi/vmmapi.h +++ b/lib/libvmmapi/vmmapi.h @@ -32,24 +32,26 @@ struct vmctx; enum x2apic_state; +/* + * Different styles of mapping the memory assigned to a VM into the address + * space of the controlling process. + */ +enum vm_mmap_style { + VM_MMAP_NONE, /* no mapping */ + VM_MMAP_ALL, /* fully and statically mapped */ + VM_MMAP_SPARSE, /* mappings created on-demand */ +}; + int vm_create(const char *name); struct vmctx *vm_open(const char *name); void vm_destroy(struct vmctx *ctx); size_t vmm_get_mem_total(void); size_t vmm_get_mem_free(void); int vm_get_memory_seg(struct vmctx *ctx, vm_paddr_t gpa, size_t *ret_len); -/* - * Create a memory segment of 'len' bytes in the guest physical address space - * at offset 'gpa'. - * - * If 'mapaddr' is not NULL then this region is mmap'ed into the address - * space of the calling process. If there is an mmap error then *mapaddr - * will be set to MAP_FAILED. - */ - -int vm_setup_memory(struct vmctx *ctx, vm_paddr_t gpa, size_t len, - char **mapaddr); -char * vm_map_memory(struct vmctx *ctx, vm_paddr_t gpa, size_t len); +int vm_setup_memory(struct vmctx *ctx, size_t len, enum vm_mmap_style s); +void *vm_map_gpa(struct vmctx *ctx, vm_paddr_t gaddr, size_t len); +uint32_t vm_get_lowmem_limit(struct vmctx *ctx); +void vm_set_lowmem_limit(struct vmctx *ctx, uint32_t limit); int vm_set_desc(struct vmctx *ctx, int vcpu, int reg, uint64_t base, uint32_t limit, uint32_t access); int vm_get_desc(struct vmctx *ctx, int vcpu, int reg, |