1*9f0ae301SCornelia Huck #ifndef _VMALLOC_H_ 2*9f0ae301SCornelia Huck #define _VMALLOC_H_ 3efd8e5aaSPaolo Bonzini 4dcda215bSPaolo Bonzini #include <asm/page.h> 5dcda215bSPaolo Bonzini 6dee4223bSClaudio Imbrenda /* Allocate consecutive virtual pages (without backing) */ 7efd8e5aaSPaolo Bonzini extern void *alloc_vpages(ulong nr); 80d622fcbSClaudio Imbrenda /* Allocate consecutive and aligned virtual pages (without backing) */ 90d622fcbSClaudio Imbrenda extern void *alloc_vpages_aligned(ulong nr, unsigned int alignment_order); 100d622fcbSClaudio Imbrenda 11dee4223bSClaudio Imbrenda /* Allocate one virtual page (without backing) */ 12efd8e5aaSPaolo Bonzini extern void *alloc_vpage(void); 13dee4223bSClaudio Imbrenda /* Set the top of the virtual address space */ 14efd8e5aaSPaolo Bonzini extern void init_alloc_vpage(void *top); 15dee4223bSClaudio Imbrenda /* Set up the virtual allocator; also sets up the page allocator if needed */ 16da7eceb3SThomas Huth extern void setup_vm(void); 17937e2392SPaolo Bonzini 18dee4223bSClaudio Imbrenda /* Set up paging */ 19937e2392SPaolo Bonzini extern void *setup_mmu(phys_addr_t top); 20dee4223bSClaudio Imbrenda /* Walk the page table and resolve the virtual address to a physical address */ 21c41e032aSPaolo Bonzini extern phys_addr_t virt_to_pte_phys(pgd_t *pgtable, void *virt); 22dee4223bSClaudio Imbrenda /* Map the virtual address to the physical address for the given page tables */ 23dcda215bSPaolo Bonzini extern pteval_t *install_page(pgd_t *pgtable, phys_addr_t phys, void *virt); 24dcda215bSPaolo Bonzini 25dee4223bSClaudio Imbrenda /* Map consecutive physical pages */ 26dcda215bSPaolo Bonzini void *vmap(phys_addr_t phys, size_t size); 27efd8e5aaSPaolo Bonzini 28efd8e5aaSPaolo Bonzini #endif 29