105 lines
3.4 KiB
C
105 lines
3.4 KiB
C
/*-
|
|
* Copyright (c) 2008 Kip Macy
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef XENVAR_H_
|
|
#define XENVAR_H_
|
|
#define XBOOTUP 0x1
|
|
#define XPMAP 0x2
|
|
extern int xendebug_flags;
|
|
#ifndef NOXENDEBUG
|
|
#define XENPRINTF printk
|
|
#else
|
|
#define XENPRINTF printf
|
|
#endif
|
|
#include <machine/xen/features.h>
|
|
|
|
extern xen_pfn_t *xen_phys_machine;
|
|
extern xen_pfn_t *xen_pfn_to_mfn_frame_list[16];
|
|
extern xen_pfn_t *xen_pfn_to_mfn_frame_list_list;
|
|
|
|
#if 0
|
|
#define TRACE_ENTER XENPRINTF("(file=%s, line=%d) entered %s\n", __FILE__, __LINE__, __FUNCTION__)
|
|
#define TRACE_EXIT XENPRINTF("(file=%s, line=%d) exiting %s\n", __FILE__, __LINE__, __FUNCTION__)
|
|
#define TRACE_DEBUG(argflags, _f, _a...) \
|
|
if (xendebug_flags & argflags) XENPRINTF("(file=%s, line=%d) " _f "\n", __FILE__, __LINE__, ## _a);
|
|
#else
|
|
#define TRACE_ENTER
|
|
#define TRACE_EXIT
|
|
#define TRACE_DEBUG(argflags, _f, _a...)
|
|
#endif
|
|
|
|
extern xen_pfn_t *xen_machine_phys;
|
|
/* Xen starts physical pages after the 4MB ISA hole -
|
|
* FreeBSD doesn't
|
|
*/
|
|
|
|
|
|
#undef ADD_ISA_HOLE /* XXX */
|
|
|
|
#ifdef ADD_ISA_HOLE
|
|
#define ISA_INDEX_OFFSET 1024
|
|
#define ISA_PDR_OFFSET 1
|
|
#else
|
|
#define ISA_INDEX_OFFSET 0
|
|
#define ISA_PDR_OFFSET 0
|
|
#endif
|
|
|
|
|
|
#define PFNTOMFN(i) (xen_phys_machine[(i)])
|
|
#define MFNTOPFN(i) ((vm_paddr_t)xen_machine_phys[(i)])
|
|
|
|
#define VTOP(x) ((((uintptr_t)(x))) - KERNBASE)
|
|
#define PTOV(x) (((uintptr_t)(x)) + KERNBASE)
|
|
|
|
#define VTOPFN(x) (VTOP(x) >> PAGE_SHIFT)
|
|
#define PFNTOV(x) PTOV((vm_paddr_t)(x) << PAGE_SHIFT)
|
|
|
|
#define VTOMFN(va) (vtomach(va) >> PAGE_SHIFT)
|
|
#define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT)
|
|
|
|
#define phystomach(pa) (((vm_paddr_t)(PFNTOMFN((pa) >> PAGE_SHIFT))) << PAGE_SHIFT)
|
|
#define machtophys(ma) (((vm_paddr_t)(MFNTOPFN((ma) >> PAGE_SHIFT))) << PAGE_SHIFT)
|
|
|
|
|
|
void xpq_init(void);
|
|
|
|
#define BITS_PER_LONG 32
|
|
#define NR_CPUS MAX_VIRT_CPUS
|
|
|
|
#define BITS_TO_LONGS(bits) \
|
|
(((bits)+BITS_PER_LONG-1)/BITS_PER_LONG)
|
|
#define DECLARE_BITMAP(name,bits) \
|
|
unsigned long name[BITS_TO_LONGS(bits)]
|
|
typedef struct { DECLARE_BITMAP(bits, NR_CPUS); } xen_cpumask_t;
|
|
|
|
int xen_create_contiguous_region(vm_page_t pages, int npages);
|
|
|
|
void xen_destroy_contiguous_region(void * addr, int npages);
|
|
|
|
#endif
|