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-rw-r--r--sys/i386/include/xen/xenvar.h103
1 files changed, 103 insertions, 0 deletions
diff --git a/sys/i386/include/xen/xenvar.h b/sys/i386/include/xen/xenvar.h
new file mode 100644
index 000000000000..e160523c2d16
--- /dev/null
+++ b/sys/i386/include/xen/xenvar.h
@@ -0,0 +1,103 @@
+/*
+ * 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 ``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 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;
+
+#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[((xen_pfn_t)i)])
+#define MFNTOPFN(i) (xen_machine_phys[((xen_pfn_t)i)])
+
+#define VTOP(x) ((uintptr_t)(((uint8_t *)(x)) - KERNBASE))
+#define PTOV(x) ((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) (PFNTOMFN((pa) >> PAGE_SHIFT) << PAGE_SHIFT)
+#define machtophys(ma) (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