/*

 * include/asm-x86/hvm/monitor.h

 *

 * 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,

 * version 2, as published by the Free Software Foundation.

 *

 * This program is distributed in the hope it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for

 * more details.

 *

 * You should have received a copy of the GNU General Public License along with

 * this program; If not, see <http://www.gnu.org/licenses/>.

 */

#ifndef __ASM_X86_HVM_MONITOR_H__

#define __ASM_X86_HVM_MONITOR_H__

#include <public/vm_event.h>

enum hvm_monitor_debug_type

{

    HVM_MONITOR_SOFTWARE_BREAKPOINT,

    HVM_MONITOR_SINGLESTEP_BREAKPOINT,

    HVM_MONITOR_DEBUG_EXCEPTION,

};

/*

 * Called for current VCPU on crX/MSR changes by guest.

 * The event might not fire if the client has subscribed to it in onchangeonly

 * mode, hence the bool return type for control register write events.

 */

bool 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);

void hvm_monitor_descriptor_access(uint64_t exit_info,

                                   uint64_t vmx_exit_qualification,

                                   uint8_t descriptor, bool is_write);

int hvm_monitor_debug(unsigned long rip, enum hvm_monitor_debug_type type,

                      unsigned long trap_type, unsigned long insn_length);

int hvm_monitor_cpuid(unsigned long insn_length, unsigned int leaf,

                      unsigned int subleaf);

void hvm_monitor_interrupt(unsigned int vector, unsigned int type,

                           unsigned int err, uint64_t cr2);

bool hvm_monitor_emul_unimplemented(void);

#endif /* __ASM_X86_HVM_MONITOR_H__ */

/*

 * Local variables:

 * mode: C

 * c-file-style: "BSD"

 * c-basic-offset: 4

 * tab-width: 4

 * indent-tabs-mode: nil

 * End:

 */