kvm_main.c (2ac5e38ea4203852d6e99edd3cf11f044b0a409f) kvm_main.c (e5d83c74a5800c2a1fa3ba982c1c4b2b39ae6db2)
1/*
2 * Kernel-based Virtual Machine driver for Linux
3 *
4 * This module enables machines with Intel VT-x extensions to run virtual
5 * machines without emulation or binary translation.
6 *
7 * Copyright (C) 2006 Qumranet, Inc.
8 * Copyright 2010 Red Hat, Inc. and/or its affiliates.

--- 2934 unchanged lines hidden (view full) ---

2943 case KVM_CAP_SIGNAL_MSI:
2944#endif
2945#ifdef CONFIG_HAVE_KVM_IRQFD
2946 case KVM_CAP_IRQFD:
2947 case KVM_CAP_IRQFD_RESAMPLE:
2948#endif
2949 case KVM_CAP_IOEVENTFD_ANY_LENGTH:
2950 case KVM_CAP_CHECK_EXTENSION_VM:
1/*
2 * Kernel-based Virtual Machine driver for Linux
3 *
4 * This module enables machines with Intel VT-x extensions to run virtual
5 * machines without emulation or binary translation.
6 *
7 * Copyright (C) 2006 Qumranet, Inc.
8 * Copyright 2010 Red Hat, Inc. and/or its affiliates.

--- 2934 unchanged lines hidden (view full) ---

2943 case KVM_CAP_SIGNAL_MSI:
2944#endif
2945#ifdef CONFIG_HAVE_KVM_IRQFD
2946 case KVM_CAP_IRQFD:
2947 case KVM_CAP_IRQFD_RESAMPLE:
2948#endif
2949 case KVM_CAP_IOEVENTFD_ANY_LENGTH:
2950 case KVM_CAP_CHECK_EXTENSION_VM:
2951 case KVM_CAP_ENABLE_CAP_VM:
2951 return 1;
2952#ifdef CONFIG_KVM_MMIO
2953 case KVM_CAP_COALESCED_MMIO:
2954 return KVM_COALESCED_MMIO_PAGE_OFFSET;
2955 case KVM_CAP_COALESCED_PIO:
2956 return 1;
2957#endif
2958#ifdef CONFIG_HAVE_KVM_IRQ_ROUTING

--- 7 unchanged lines hidden (view full) ---

2966 case KVM_CAP_MAX_VCPU_ID:
2967 return KVM_MAX_VCPU_ID;
2968 default:
2969 break;
2970 }
2971 return kvm_vm_ioctl_check_extension(kvm, arg);
2972}
2973
2952 return 1;
2953#ifdef CONFIG_KVM_MMIO
2954 case KVM_CAP_COALESCED_MMIO:
2955 return KVM_COALESCED_MMIO_PAGE_OFFSET;
2956 case KVM_CAP_COALESCED_PIO:
2957 return 1;
2958#endif
2959#ifdef CONFIG_HAVE_KVM_IRQ_ROUTING

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2967 case KVM_CAP_MAX_VCPU_ID:
2968 return KVM_MAX_VCPU_ID;
2969 default:
2970 break;
2971 }
2972 return kvm_vm_ioctl_check_extension(kvm, arg);
2973}
2974
2975int __attribute__((weak)) kvm_vm_ioctl_enable_cap(struct kvm *kvm,
2976 struct kvm_enable_cap *cap)
2977{
2978 return -EINVAL;
2979}
2980
2981static int kvm_vm_ioctl_enable_cap_generic(struct kvm *kvm,
2982 struct kvm_enable_cap *cap)
2983{
2984 switch (cap->cap) {
2985 default:
2986 return kvm_vm_ioctl_enable_cap(kvm, cap);
2987 }
2988}
2989
2974static long kvm_vm_ioctl(struct file *filp,
2975 unsigned int ioctl, unsigned long arg)
2976{
2977 struct kvm *kvm = filp->private_data;
2978 void __user *argp = (void __user *)arg;
2979 int r;
2980
2981 if (kvm->mm != current->mm)
2982 return -EIO;
2983 switch (ioctl) {
2984 case KVM_CREATE_VCPU:
2985 r = kvm_vm_ioctl_create_vcpu(kvm, arg);
2986 break;
2990static long kvm_vm_ioctl(struct file *filp,
2991 unsigned int ioctl, unsigned long arg)
2992{
2993 struct kvm *kvm = filp->private_data;
2994 void __user *argp = (void __user *)arg;
2995 int r;
2996
2997 if (kvm->mm != current->mm)
2998 return -EIO;
2999 switch (ioctl) {
3000 case KVM_CREATE_VCPU:
3001 r = kvm_vm_ioctl_create_vcpu(kvm, arg);
3002 break;
3003 case KVM_ENABLE_CAP: {
3004 struct kvm_enable_cap cap;
3005
3006 r = -EFAULT;
3007 if (copy_from_user(&cap, argp, sizeof(cap)))
3008 goto out;
3009 r = kvm_vm_ioctl_enable_cap_generic(kvm, &cap);
3010 break;
3011 }
2987 case KVM_SET_USER_MEMORY_REGION: {
2988 struct kvm_userspace_memory_region kvm_userspace_mem;
2989
2990 r = -EFAULT;
2991 if (copy_from_user(&kvm_userspace_mem, argp,
2992 sizeof(kvm_userspace_mem)))
2993 goto out;
2994

--- 1123 unchanged lines hidden --- 		3012 case KVM_SET_USER_MEMORY_REGION: {
3013 struct kvm_userspace_memory_region kvm_userspace_mem;
3014
3015 r = -EFAULT;
3016 if (copy_from_user(&kvm_userspace_mem, argp,
3017 sizeof(kvm_userspace_mem)))
3018 goto out;
3019

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