/*
   * vmm.c: vmm module interface with kvm module
   *
   * Copyright (c) 2007, Intel Corporation.
   *
   *  Xiantao Zhang (xiantao.zhang@intel.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,
   * 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, write to the Free Software Foundation, Inc., 59 Temple
   * Place - Suite 330, Boston, MA 02111-1307 USA.
   */

  #include<linux/kernel.h>

  #include<linux/module.h>
  #include<asm/fpswa.h>
  
  #include "vcpu.h"
  
  MODULE_AUTHOR("Intel");
  MODULE_LICENSE("GPL");
  
  extern char kvm_ia64_ivt;

  extern char kvm_asm_mov_from_ar;
  extern char kvm_asm_mov_from_ar_sn2;

  extern fpswa_interface_t *vmm_fpswa_interface;

  long vmm_sanity = 1;

  struct kvm_vmm_info vmm_info = {

  	.module			= THIS_MODULE,
  	.vmm_entry		= vmm_entry,
  	.tramp_entry		= vmm_trampoline,
  	.vmm_ivt		= (unsigned long)&kvm_ia64_ivt,
  	.patch_mov_ar		= (unsigned long)&kvm_asm_mov_from_ar,
  	.patch_mov_ar_sn2	= (unsigned long)&kvm_asm_mov_from_ar_sn2,

  };
  
  static int __init  kvm_vmm_init(void)
  {
  
  	vmm_fpswa_interface = fpswa_interface;
  
  	/*Register vmm data to kvm side*/

  	return kvm_init(&vmm_info, 1024, 0, THIS_MODULE);

  }
  
  static void __exit kvm_vmm_exit(void)
  {
  	kvm_exit();
  	return ;
  }

  void vmm_spin_lock(vmm_spinlock_t *lock)

  {
  	_vmm_raw_spin_lock(lock);
  }

  void vmm_spin_unlock(vmm_spinlock_t *lock)

  {
  	_vmm_raw_spin_unlock(lock);
  }

  
  static void vcpu_debug_exit(struct kvm_vcpu *vcpu)
  {
  	struct exit_ctl_data *p = &vcpu->arch.exit_data;
  	long psr;
  
  	local_irq_save(psr);
  	p->exit_reason = EXIT_REASON_DEBUG;
  	vmm_transition(vcpu);
  	local_irq_restore(psr);
  }
  
  asmlinkage int printk(const char *fmt, ...)
  {
  	struct kvm_vcpu *vcpu = current_vcpu;
  	va_list args;
  	int r;
  
  	memset(vcpu->arch.log_buf, 0, VMM_LOG_LEN);
  	va_start(args, fmt);
  	r = vsnprintf(vcpu->arch.log_buf, VMM_LOG_LEN, fmt, args);
  	va_end(args);
  	vcpu_debug_exit(vcpu);
  	return r;
  }

  module_init(kvm_vmm_init)
  module_exit(kvm_vmm_exit)