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/* -*- Mode:C; c-basic-offset:4; tab-width:4 -*-
*
* (C) 2003 - Rolf Neugebauer - Intel Research Cambridge
* Copyright (c) 2005, Keir A Fraser
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef _MM_H_
#define _MM_H_
#if defined(__i386__)
#include <xen/arch-x86_32.h>
#elif defined(__x86_64__)
#include <xen/arch-x86_64.h>
#else
#error "Unsupported architecture"
#endif
#include <mini-os/lib.h>
#include <mini-os/arch_limits.h>
#include <mini-os/arch_mm.h>
#define STACK_SIZE_PAGE_ORDER __STACK_SIZE_PAGE_ORDER
#define STACK_SIZE __STACK_SIZE
void init_mm(void);
unsigned long alloc_pages(int order);
#define alloc_page() alloc_pages(0)
void free_pages(void *pointer, int order);
#define free_page(p) free_pages(p, 0)
static __inline__ int get_order(unsigned long size)
{
int order;
size = (size-1) >> PAGE_SHIFT;
for ( order = 0; size; order++ )
size >>= 1;
return order;
}
void arch_init_demand_mapping_area(unsigned long max_pfn);
void arch_init_mm(unsigned long* start_pfn_p, unsigned long* max_pfn_p);
void arch_init_p2m(unsigned long max_pfn_p);
unsigned long allocate_ondemand(unsigned long n, unsigned long alignment);
/* map f[i*stride]+i*increment for i in 0..n-1, aligned on alignment pages */
void *map_frames_ex(const unsigned long *f, unsigned long n, unsigned long stride,
unsigned long increment, unsigned long alignment, domid_t id,
int *err, unsigned long prot);
void do_map_frames(unsigned long addr,
const unsigned long *f, unsigned long n, unsigned long stride,
unsigned long increment, domid_t id, int *err, unsigned long prot);
int unmap_frames(unsigned long va, unsigned long num_frames);
unsigned long alloc_contig_pages(int order, unsigned int addr_bits);
#ifdef HAVE_LIBC
extern unsigned long heap, brk, heap_mapped, heap_end;
#endif
int free_physical_pages(xen_pfn_t *mfns, int n);
void fini_mm(void);
#endif /* _MM_H_ */
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