Merge tag 'v3.3.7' into 3.3/master
[zen-stable.git] / arch / ia64 / kvm / vmm.c
blobf0b9cac824145709c570a3994b2dceaf089b32e3
1 /*
2 * vmm.c: vmm module interface with kvm module
4 * Copyright (c) 2007, Intel Corporation.
6 * Xiantao Zhang (xiantao.zhang@intel.com)
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms and conditions of the GNU General Public License,
10 * version 2, as published by the Free Software Foundation.
12 * This program is distributed in the hope it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * more details.
17 * You should have received a copy of the GNU General Public License along with
18 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
19 * Place - Suite 330, Boston, MA 02111-1307 USA.
23 #include<linux/kernel.h>
24 #include<linux/module.h>
25 #include<asm/fpswa.h>
27 #include "vcpu.h"
29 MODULE_AUTHOR("Intel");
30 MODULE_LICENSE("GPL");
32 extern char kvm_ia64_ivt;
33 extern char kvm_asm_mov_from_ar;
34 extern char kvm_asm_mov_from_ar_sn2;
35 extern fpswa_interface_t *vmm_fpswa_interface;
37 long vmm_sanity = 1;
39 struct kvm_vmm_info vmm_info = {
40 .module = THIS_MODULE,
41 .vmm_entry = vmm_entry,
42 .tramp_entry = vmm_trampoline,
43 .vmm_ivt = (unsigned long)&kvm_ia64_ivt,
44 .patch_mov_ar = (unsigned long)&kvm_asm_mov_from_ar,
45 .patch_mov_ar_sn2 = (unsigned long)&kvm_asm_mov_from_ar_sn2,
48 static int __init kvm_vmm_init(void)
51 vmm_fpswa_interface = fpswa_interface;
53 /*Register vmm data to kvm side*/
54 return kvm_init(&vmm_info, 1024, 0, THIS_MODULE);
57 static void __exit kvm_vmm_exit(void)
59 kvm_exit();
60 return ;
63 void vmm_spin_lock(vmm_spinlock_t *lock)
65 _vmm_raw_spin_lock(lock);
68 void vmm_spin_unlock(vmm_spinlock_t *lock)
70 _vmm_raw_spin_unlock(lock);
73 static void vcpu_debug_exit(struct kvm_vcpu *vcpu)
75 struct exit_ctl_data *p = &vcpu->arch.exit_data;
76 long psr;
78 local_irq_save(psr);
79 p->exit_reason = EXIT_REASON_DEBUG;
80 vmm_transition(vcpu);
81 local_irq_restore(psr);
84 asmlinkage int printk(const char *fmt, ...)
86 struct kvm_vcpu *vcpu = current_vcpu;
87 va_list args;
88 int r;
90 memset(vcpu->arch.log_buf, 0, VMM_LOG_LEN);
91 va_start(args, fmt);
92 r = vsnprintf(vcpu->arch.log_buf, VMM_LOG_LEN, fmt, args);
93 va_end(args);
94 vcpu_debug_exit(vcpu);
95 return r;
98 module_init(kvm_vmm_init)
99 module_exit(kvm_vmm_exit)