@@ -3,7 +3,6 @@ subdir-y += vmx
obj-y += asid.o
obj-y += emulate.o
-obj-y += event.o
obj-y += hpet.o
obj-y += hvm.o
obj-y += i8254.o
@@ -11,6 +10,7 @@ obj-y += intercept.o
obj-y += io.o
obj-y += ioreq.o
obj-y += irq.o
+obj-y += monitor.o
obj-y += mtrr.o
obj-y += nestedhvm.o
obj-y += pmtimer.o
@@ -60,7 +60,7 @@
#include <asm/hvm/cacheattr.h>
#include <asm/hvm/trace.h>
#include <asm/hvm/nestedhvm.h>
-#include <asm/hvm/event.h>
+#include <asm/hvm/monitor.h>
#include <asm/hvm/ioreq.h>
#include <asm/hvm/vmx/vmx.h>
#include <asm/altp2m.h>
@@ -1961,7 +1961,7 @@ int hvm_handle_xsetbv(u32 index, u64 new_bv)
{
int rc;
- hvm_event_crX(XCR0, new_bv, current->arch.xcr0);
+ hvm_monitor_crX(XCR0, new_bv, current->arch.xcr0);
rc = handle_xsetbv(index, new_bv);
if ( rc )
@@ -2197,7 +2197,7 @@ int hvm_set_cr0(unsigned long value, bool_t may_defer)
{
ASSERT(v->arch.vm_event);
- if ( hvm_event_crX(CR0, value, old_value) )
+ if ( hvm_monitor_crX(CR0, value, old_value) )
{
/* The actual write will occur in hvm_do_resume(), if permitted. */
v->arch.vm_event->write_data.do_write.cr0 = 1;
@@ -2299,7 +2299,7 @@ int hvm_set_cr3(unsigned long value, bool_t may_defer)
{
ASSERT(v->arch.vm_event);
- if ( hvm_event_crX(CR3, value, old) )
+ if ( hvm_monitor_crX(CR3, value, old) )
{
/* The actual write will occur in hvm_do_resume(), if permitted. */
v->arch.vm_event->write_data.do_write.cr3 = 1;
@@ -2379,7 +2379,7 @@ int hvm_set_cr4(unsigned long value, bool_t may_defer)
{
ASSERT(v->arch.vm_event);
- if ( hvm_event_crX(CR4, value, old_cr) )
+ if ( hvm_monitor_crX(CR4, value, old_cr) )
{
/* The actual write will occur in hvm_do_resume(), if permitted. */
v->arch.vm_event->write_data.do_write.cr4 = 1;
@@ -3712,7 +3712,7 @@ int hvm_msr_write_intercept(unsigned int msr, uint64_t msr_content,
v->arch.vm_event->write_data.msr = msr;
v->arch.vm_event->write_data.value = msr_content;
- hvm_event_msr(msr, msr_content);
+ hvm_monitor_msr(msr, msr_content);
return X86EMUL_OKAY;
}
similarity index 88%
rename from xen/arch/x86/hvm/event.c
rename to xen/arch/x86/hvm/monitor.c
@@ -1,5 +1,5 @@
/*
- * arch/x86/hvm/event.c
+ * arch/x86/hvm/monitor.c
*
* Arch-specific hardware virtual machine event abstractions.
*
@@ -7,6 +7,7 @@
* Copyright (c) 2005, International Business Machines Corporation.
* Copyright (c) 2008, Citrix Systems, Inc.
* Copyright (c) 2016, Bitdefender S.R.L.
+ * Copyright (c) 2016, Tamas K Lengyel (tamas@tklengyel.com)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -22,12 +23,12 @@
*/
#include <xen/vm_event.h>
-#include <asm/hvm/event.h>
+#include <asm/hvm/monitor.h>
#include <asm/monitor.h>
#include <asm/vm_event.h>
#include <public/vm_event.h>
-bool_t hvm_event_cr(unsigned int index, unsigned long value, unsigned long old)
+bool_t hvm_monitor_cr(unsigned int index, unsigned long value, unsigned long old)
{
struct vcpu *curr = current;
struct arch_domain *ad = &curr->domain->arch;
@@ -55,7 +56,7 @@ bool_t hvm_event_cr(unsigned int index, unsigned long value, unsigned long old)
return 0;
}
-void hvm_event_msr(unsigned int msr, uint64_t value)
+void hvm_monitor_msr(unsigned int msr, uint64_t value)
{
struct vcpu *curr = current;
struct arch_domain *ad = &curr->domain->arch;
@@ -89,8 +90,8 @@ static inline unsigned long gfn_of_rip(unsigned long rip)
return paging_gva_to_gfn(curr, sreg.base + rip, &pfec);
}
-int hvm_event_breakpoint(unsigned long rip,
- enum hvm_event_breakpoint_type type)
+int hvm_monitor_breakpoint(unsigned long rip,
+ enum hvm_monitor_breakpoint_type type)
{
struct vcpu *curr = current;
struct arch_domain *ad = &curr->domain->arch;
@@ -98,14 +99,14 @@ int hvm_event_breakpoint(unsigned long rip,
switch ( type )
{
- case HVM_EVENT_SOFTWARE_BREAKPOINT:
+ case HVM_MONITOR_SOFTWARE_BREAKPOINT:
if ( !ad->monitor.software_breakpoint_enabled )
return 0;
req.reason = VM_EVENT_REASON_SOFTWARE_BREAKPOINT;
req.u.software_breakpoint.gfn = gfn_of_rip(rip);
break;
- case HVM_EVENT_SINGLESTEP_BREAKPOINT:
+ case HVM_MONITOR_SINGLESTEP_BREAKPOINT:
if ( !ad->monitor.singlestep_enabled )
return 0;
req.reason = VM_EVENT_REASON_SINGLESTEP;
@@ -50,7 +50,7 @@
#include <asm/hvm/vpt.h>
#include <public/hvm/save.h>
#include <asm/hvm/trace.h>
-#include <asm/hvm/event.h>
+#include <asm/hvm/monitor.h>
#include <asm/xenoprof.h>
#include <asm/debugger.h>
#include <asm/apic.h>
@@ -2473,10 +2473,10 @@ static int vmx_cr_access(unsigned long exit_qualification)
/*
* Special case unlikely to be interesting to a
- * VM_EVENT_FLAG_DENY-capable application, so the hvm_event_crX()
+ * VM_EVENT_FLAG_DENY-capable application, so the hvm_monitor_crX()
* return value is ignored for now.
*/
- hvm_event_crX(CR0, value, old);
+ hvm_monitor_crX(CR0, value, old);
curr->arch.hvm_vcpu.guest_cr[0] = value;
vmx_update_guest_cr(curr, 0);
HVMTRACE_0D(CLTS);
@@ -3389,8 +3389,8 @@ void vmx_vmexit_handler(struct cpu_user_regs *regs)
}
else {
int handled =
- hvm_event_breakpoint(regs->eip,
- HVM_EVENT_SOFTWARE_BREAKPOINT);
+ hvm_monitor_breakpoint(regs->eip,
+ HVM_MONITOR_SOFTWARE_BREAKPOINT);
if ( handled < 0 )
{
@@ -3717,7 +3717,8 @@ void vmx_vmexit_handler(struct cpu_user_regs *regs)
vmx_update_cpu_exec_control(v);
if ( v->arch.hvm_vcpu.single_step )
{
- hvm_event_breakpoint(regs->eip, HVM_EVENT_SINGLESTEP_BREAKPOINT);
+ hvm_monitor_breakpoint(regs->eip,
+ HVM_MONITOR_SINGLESTEP_BREAKPOINT);
if ( v->domain->debugger_attached )
domain_pause_for_debugger();
}
similarity index 60%
rename from xen/include/asm-x86/hvm/event.h
rename to xen/include/asm-x86/hvm/monitor.h
@@ -1,7 +1,7 @@
/*
- * include/asm-x86/hvm/event.h
+ * include/asm-x86/hvm/monitor.h
*
- * Arch-specific hardware virtual machine event abstractions.
+ * Arch-specific hardware virtual machine monitor abstractions.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -16,17 +16,17 @@
* this program; If not, see <http://www.gnu.org/licenses/>.
*/
-#ifndef __ASM_X86_HVM_EVENT_H__
-#define __ASM_X86_HVM_EVENT_H__
+#ifndef __ASM_X86_HVM_MONITOR_H__
+#define __ASM_X86_HVM_MONITOR_H__
#include <xen/sched.h>
#include <xen/paging.h>
#include <public/vm_event.h>
-enum hvm_event_breakpoint_type
+enum hvm_monitor_breakpoint_type
{
- HVM_EVENT_SOFTWARE_BREAKPOINT,
- HVM_EVENT_SINGLESTEP_BREAKPOINT,
+ HVM_MONITOR_SOFTWARE_BREAKPOINT,
+ HVM_MONITOR_SINGLESTEP_BREAKPOINT,
};
/*
@@ -34,15 +34,15 @@ enum hvm_event_breakpoint_type
* The event might not fire if the client has subscribed to it in onchangeonly
* mode, hence the bool_t return type for control register write events.
*/
-bool_t hvm_event_cr(unsigned int index, unsigned long value,
- unsigned long old);
-#define hvm_event_crX(cr, new, old) \
- hvm_event_cr(VM_EVENT_X86_##cr, new, old)
-void hvm_event_msr(unsigned int msr, uint64_t value);
-int hvm_event_breakpoint(unsigned long rip,
- enum hvm_event_breakpoint_type type);
+bool_t hvm_monitor_cr(unsigned int index, unsigned long value,
+ unsigned long old);
+#define hvm_monitor_crX(cr, new, old) \
+ hvm_monitor_cr(VM_EVENT_X86_##cr, new, old)
+void hvm_monitor_msr(unsigned int msr, uint64_t value);
+int hvm_monitor_breakpoint(unsigned long rip,
+ enum hvm_monitor_breakpoint_type type);
-#endif /* __ASM_X86_HVM_EVENT_H__ */
+#endif /* __ASM_X86_HVM_MONITOR_H__ */
/*
* Local variables: