xen: remove extern function declarations from C files.

Move all extern declarations into appropriate header files.
This also fixes up a few places where the caller and the definition
had different signatures.

Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>

15 files changed, 79 insertions, 0 deletions

diff --git a/xen/include/asm-x86/acpi.h b/xen/include/asm-x86/acpi.h
index 356af443ec..41322e2610 100644
--- a/xen/include/asm-x86/acpi.h
+++ b/xen/include/asm-x86/acpi.h
@@ -150,6 +150,7 @@ void acpi_mmcfg_init(void);
 extern uint32_t system_reset_counter;
 
 void hvm_acpi_power_button(struct domain *d);
+void hvm_acpi_sleep_button(struct domain *d);
 
 /* suspend/resume */
 void save_rest_processor_state(void);
diff --git a/xen/include/asm-x86/debugger.h b/xen/include/asm-x86/debugger.h
index 9fea5d64e8..e47935f631 100644
--- a/xen/include/asm-x86/debugger.h
+++ b/xen/include/asm-x86/debugger.h
@@ -77,4 +77,9 @@ static inline int debugger_trap_entry(
     return 0;
 }
 
+typedef unsigned long dbgva_t;
+typedef unsigned char dbgbyte_t;
+extern int dbg_rw_mem(dbgva_t addr, dbgbyte_t *buf, int len,
+                      domid_t domid, int toaddr, uint64_t pgd3);
+
 #endif /* __X86_DEBUGGER_H__ */
diff --git a/xen/include/asm-x86/hap.h b/xen/include/asm-x86/hap.h
index 6183049695..4d01f1b5d9 100644
--- a/xen/include/asm-x86/hap.h
+++ b/xen/include/asm-x86/hap.h
@@ -97,6 +97,8 @@ int   hap_track_dirty_vram(struct domain *d,
                            unsigned long nr,
                            XEN_GUEST_HANDLE_64(uint8) dirty_bitmap);
 
+extern const struct paging_mode *hap_paging_get_mode(struct vcpu *);
+
 #endif /* XEN_HAP_H */
 
 /*
diff --git a/xen/include/asm-x86/hpet.h b/xen/include/asm-x86/hpet.h
index 702fd016f1..550958cf29 100644
--- a/xen/include/asm-x86/hpet.h
+++ b/xen/include/asm-x86/hpet.h
@@ -74,4 +74,6 @@ void hpet_broadcast_exit(void);
 int hpet_broadcast_is_available(void);
 void hpet_disable_legacy_broadcast(void);
 
+extern void (*pv_rtc_handler)(unsigned int port, uint8_t value);
+
 #endif /* __X86_HPET_H__ */
diff --git a/xen/include/asm-x86/hvm/hvm.h b/xen/include/asm-x86/hvm/hvm.h
index 1e5f7ec5fc..3ce78d7578 100644
--- a/xen/include/asm-x86/hvm/hvm.h
+++ b/xen/include/asm-x86/hvm/hvm.h
@@ -174,6 +174,10 @@ struct hvm_function_table {
 extern struct hvm_function_table hvm_funcs;
 extern bool_t hvm_enabled;
 extern bool_t cpu_has_lmsl;
+extern s8 hvm_port80_allowed;
+
+extern struct hvm_function_table *start_svm(void);
+extern struct hvm_function_table *start_vmx(void);
 
 int hvm_domain_initialise(struct domain *d);
 void hvm_domain_relinquish_resources(struct domain *d);
@@ -195,6 +199,7 @@ void hvm_init_guest_time(struct domain *d);
 void hvm_set_guest_time(struct vcpu *v, u64 guest_time);
 u64 hvm_get_guest_time(struct vcpu *v);
 
+int vmsi_deliver(struct domain *d, int pirq);
 int hvm_girq_dest_2_vcpu_id(struct domain *d, uint8_t dest, uint8_t dest_mode);
 
 #define hvm_paging_enabled(v) \
diff --git a/xen/include/asm-x86/hypercall.h b/xen/include/asm-x86/hypercall.h
index a6615e895e..cb9fb331ea 100644
--- a/xen/include/asm-x86/hypercall.h
+++ b/xen/include/asm-x86/hypercall.h
@@ -101,6 +101,11 @@ arch_do_domctl(
     struct xen_domctl *domctl,
     XEN_GUEST_HANDLE(xen_domctl_t) u_domctl);
 
+extern long
+arch_do_sysctl(
+    struct xen_sysctl *op, 
+    XEN_GUEST_HANDLE(xen_sysctl_t) u_sysctl);
+
 extern int
 do_kexec(
     unsigned long op, unsigned arg1, XEN_GUEST_HANDLE(void) uarg);
diff --git a/xen/include/asm-x86/io.h b/xen/include/asm-x86/io.h
index 7179a9ee75..2e4d62046a 100644
--- a/xen/include/asm-x86/io.h
+++ b/xen/include/asm-x86/io.h
@@ -52,4 +52,8 @@ __OUT(l,,int)
 
 extern void (*pv_post_outb_hook)(unsigned int port, u8 value);
 
+/* Function pointer used to handle platform specific I/O port emulation. */
+extern void (*ioemul_handle_quirk)(
+    u8 opcode, char *io_emul_stub, struct cpu_user_regs *regs);
+
 #endif
diff --git a/xen/include/asm-x86/io_apic.h b/xen/include/asm-x86/io_apic.h
index 02c4b71f53..4bbbbe79d3 100644
--- a/xen/include/asm-x86/io_apic.h
+++ b/xen/include/asm-x86/io_apic.h
@@ -198,6 +198,8 @@ extern void init_ioapic_mappings(void);
 extern void ioapic_suspend(void);
 extern void ioapic_resume(void);
 
+extern void dump_ioapic_irq_info(void);
+
 extern struct IO_APIC_route_entry **alloc_ioapic_entries(void);
 extern void free_ioapic_entries(struct IO_APIC_route_entry **ioapic_entries);
 extern int save_IO_APIC_setup(struct IO_APIC_route_entry **ioapic_entries);
@@ -215,4 +217,7 @@ extern int free_irq_vector(int vector);
 
 unsigned highest_gsi(void);
 
+int ioapic_guest_read( unsigned long physbase, unsigned int reg, u32 *pval);
+int ioapic_guest_write(unsigned long physbase, unsigned int reg, u32 pval);
+
 #endif
diff --git a/xen/include/asm-x86/irq.h b/xen/include/asm-x86/irq.h
index 2e8322a05e..5399cb55c4 100644
--- a/xen/include/asm-x86/irq.h
+++ b/xen/include/asm-x86/irq.h
@@ -116,6 +116,9 @@ int map_domain_emuirq_pirq(struct domain *d, int pirq, int irq);
 int unmap_domain_pirq_emuirq(struct domain *d, int pirq);
 int hvm_domain_use_pirq(struct domain *d, int irq);
 
+/* A cpu has been removed from cpu_online_mask.  Re-set irq affinities. */
+void fixup_irqs(void);
+
 int  init_irq_data(void);
 
 void clear_irq_vector(int irq);
diff --git a/xen/include/asm-x86/numa.h b/xen/include/asm-x86/numa.h
index abe7468446..07d31bb249 100644
--- a/xen/include/asm-x86/numa.h
+++ b/xen/include/asm-x86/numa.h
@@ -83,5 +83,6 @@ extern int valid_numa_range(u64 start, u64 end, int node);
 #endif
 
 void srat_parse_regions(u64 addr);
+extern int __node_distance(int a, int b);
 
 #endif
diff --git a/xen/include/asm-x86/p2m.h b/xen/include/asm-x86/p2m.h
index f097a35ef3..0bf9545ac7 100644
--- a/xen/include/asm-x86/p2m.h
+++ b/xen/include/asm-x86/p2m.h
@@ -666,6 +666,31 @@ static inline int p2m_gfn_check_limit(
 int set_p2m_entry(struct p2m_domain *p2m, unsigned long gfn, mfn_t mfn, 
                   unsigned int page_order, p2m_type_t p2mt, p2m_access_t p2ma);
 
+/* Set up function pointers for PT implementation: only for use by p2m code */
+extern void p2m_pt_init(struct p2m_domain *p2m);
+
+/* Debugging and auditing of the P2M code? */
+#define P2M_AUDIT     0
+#define P2M_DEBUGGING 0
+
+#if P2M_AUDIT
+extern void audit_p2m(struct p2m_domain *p2m, int strict_m2p);
+#else
+# define audit_p2m(_p2m, _m2p) do { (void)(_p2m),(_m2p); } while (0)
+#endif /* P2M_AUDIT */
+
+/* Printouts */
+#define P2M_PRINTK(_f, _a...)                                \
+    debugtrace_printk("p2m: %s(): " _f, __func__, ##_a)
+#define P2M_ERROR(_f, _a...)                                 \
+    printk("pg error: %s(): " _f, __func__, ##_a)
+#if P2M_DEBUGGING
+#define P2M_DEBUG(_f, _a...)                                 \
+    debugtrace_printk("p2mdebug: %s(): " _f, __func__, ##_a)
+#else
+#define P2M_DEBUG(_f, _a...) do { (void)(_f); } while(0)
+#endif
+
 #endif /* _XEN_P2M_H */
 
 /*
diff --git a/xen/include/asm-x86/processor.h b/xen/include/asm-x86/processor.h
index f9fbf39d62..7272dfa058 100644
--- a/xen/include/asm-x86/processor.h
+++ b/xen/include/asm-x86/processor.h
@@ -580,6 +580,7 @@ DECLARE_TRAP_HANDLER(machine_check);
 DECLARE_TRAP_HANDLER(alignment_check);
 DECLARE_TRAP_HANDLER(spurious_interrupt_bug);
 #undef DECLARE_TRAP_HANDLER
+extern asmlinkage int hypercall(void);
 
 int cpuid_hypervisor_leaves( uint32_t idx, uint32_t sub_idx,
           uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
diff --git a/xen/include/asm-x86/setup.h b/xen/include/asm-x86/setup.h
index 9f1ef7c0b2..f7d6345eab 100644
--- a/xen/include/asm-x86/setup.h
+++ b/xen/include/asm-x86/setup.h
@@ -2,6 +2,7 @@
 #define __X86_SETUP_H_
 
 #include <xen/multiboot.h>
+#include <public/version.h>
 
 extern bool_t early_boot;
 extern unsigned long xenheap_initial_phys_start;
@@ -38,4 +39,7 @@ int construct_dom0(
 unsigned long initial_images_nrpages(void);
 void discard_initial_images(void);
 
+int xen_in_range(unsigned long mfn);
+void arch_get_xen_caps(xen_capabilities_info_t *info);
+
 #endif
diff --git a/xen/include/asm-x86/shadow.h b/xen/include/asm-x86/shadow.h
index e7dc66cf09..88a8cd2da3 100644
--- a/xen/include/asm-x86/shadow.h
+++ b/xen/include/asm-x86/shadow.h
@@ -115,6 +115,9 @@ static inline void shadow_remove_all_shadows(struct vcpu *v, mfn_t gmfn)
     sh_remove_shadows(v, gmfn, 0 /* Be thorough */, 1 /* Must succeed */);
 }
 
+/* Discard _all_ mappings from the domain's shadows. */
+void shadow_blow_tables_per_domain(struct domain *d);
+
 #endif /* _XEN_SHADOW_H */
 
 /*
diff --git a/xen/include/asm-x86/x86_64/uaccess.h b/xen/include/asm-x86/x86_64/uaccess.h
index e35ce28e03..475bea216e 100644
--- a/xen/include/asm-x86/x86_64/uaccess.h
+++ b/xen/include/asm-x86/x86_64/uaccess.h
@@ -14,6 +14,19 @@ void free_compat_arg_xlat(struct vcpu *v);
     ((__off + (unsigned long)(size)) <= COMPAT_ARG_XLAT_SIZE);                \
 })
 
+#define xlat_page_start ((unsigned long)COMPAT_ARG_XLAT_VIRT_BASE)
+#define xlat_page_size  COMPAT_ARG_XLAT_SIZE
+#define xlat_page_left_size(xlat_page_current) \
+    (xlat_page_start + xlat_page_size - xlat_page_current)
+
+#define xlat_malloc_init(xlat_page_current)    do { \
+    xlat_page_current = xlat_page_start; \
+} while (0)
+
+extern void *xlat_malloc(unsigned long *xlat_page_current, size_t size);
+
+#define xlat_malloc_array(_p, _t, _c) ((_t *) xlat_malloc(&_p, sizeof(_t) * _c))
+
 /*
  * Valid if in +ve half of 48-bit address space, or above Xen-reserved area.
  * This is also valid for range checks (addr, addr+size). As long as the