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1 | /* |
2 | * vmm.c: vmm module interface with kvm module |
3 | * |
4 | * Copyright (c) 2007, Intel Corporation. |
5 | * |
6 | * Xiantao Zhang (xiantao.zhang@intel.com) |
7 | * |
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. |
11 | * |
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. |
16 | * |
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. |
20 | */ |
21 | |
22 | |
23 | #include<linux/kernel.h> |
24 | #include<linux/module.h> |
25 | #include<asm/fpswa.h> |
26 | |
27 | #include "vcpu.h" |
28 | |
29 | MODULE_AUTHOR("Intel"); |
30 | MODULE_LICENSE("GPL"); |
31 | |
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; |
36 | |
37 | long vmm_sanity = 1; |
38 | |
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, |
46 | }; |
47 | |
48 | static int __init kvm_vmm_init(void) |
49 | { |
50 | |
51 | vmm_fpswa_interface = fpswa_interface; |
52 | |
53 | /*Register vmm data to kvm side*/ |
54 | return kvm_init(&vmm_info, 1024, 0, THIS_MODULE); |
55 | } |
56 | |
57 | static void __exit kvm_vmm_exit(void) |
58 | { |
59 | kvm_exit(); |
60 | return ; |
61 | } |
62 | |
63 | void vmm_spin_lock(vmm_spinlock_t *lock) |
64 | { |
65 | _vmm_raw_spin_lock(lock); |
66 | } |
67 | |
68 | void vmm_spin_unlock(vmm_spinlock_t *lock) |
69 | { |
70 | _vmm_raw_spin_unlock(lock); |
71 | } |
72 | |
73 | static void vcpu_debug_exit(struct kvm_vcpu *vcpu) |
74 | { |
75 | struct exit_ctl_data *p = &vcpu->arch.exit_data; |
76 | long psr; |
77 | |
78 | local_irq_save(psr); |
79 | p->exit_reason = EXIT_REASON_DEBUG; |
80 | vmm_transition(vcpu); |
81 | local_irq_restore(psr); |
82 | } |
83 | |
84 | asmlinkage int printk(const char *fmt, ...) |
85 | { |
86 | struct kvm_vcpu *vcpu = current_vcpu; |
87 | va_list args; |
88 | int r; |
89 | |
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; |
96 | } |
97 | |
98 | module_init(kvm_vmm_init) |
99 | module_exit(kvm_vmm_exit) |
100 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
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v3.9