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