diff options
Diffstat (limited to 'arch/ia64/kvm/vmm.c')
| -rw-r--r-- | arch/ia64/kvm/vmm.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/arch/ia64/kvm/vmm.c b/arch/ia64/kvm/vmm.c new file mode 100644 index 00000000..f0b9cac8 --- /dev/null +++ b/arch/ia64/kvm/vmm.c @@ -0,0 +1,99 @@ +/* + * 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) |