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| author | Paolo Bonzini <pbonzini@redhat.com> | 2019-05-15 23:38:42 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-05-15 23:39:38 +0200 |
| commit | 59c5c58c5b93285753d5c1de34d2e00039c27bc0 (patch) | |
| tree | 19ac0493a5eb3bef477cb04f8117dad12b6bddb9 /include | |
| parent | f93f7ede087f2edcc18e4b02310df5749a6b5a61 (diff) | |
| parent | 4894fbcce856635c9ab79f44e50826e86bb92110 (diff) | |
| download | lwn-59c5c58c5b93285753d5c1de34d2e00039c27bc0.tar.gz lwn-59c5c58c5b93285753d5c1de34d2e00039c27bc0.zip | |
Merge tag 'kvm-ppc-next-5.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into HEAD
PPC KVM update for 5.2
* Support for guests to access the new POWER9 XIVE interrupt controller
hardware directly, reducing interrupt latency and overhead for guests.
* In-kernel implementation of the H_PAGE_INIT hypercall.
* Reduce memory usage of sparsely-populated IOMMU tables.
* Several bug fixes.
Second PPC KVM update for 5.2
* Fix a bug, fix a spelling mistake, remove some useless code.
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/kvm_host.h | 10 | ||||
| -rw-r--r-- | include/uapi/linux/kvm.h | 3 |
2 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 6f665c16e31d..79fa4426509c 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -1270,11 +1270,21 @@ struct kvm_device_ops { */ void (*destroy)(struct kvm_device *dev); + /* + * Release is an alternative method to free the device. It is + * called when the device file descriptor is closed. Once + * release is called, the destroy method will not be called + * anymore as the device is removed from the device list of + * the VM. kvm->lock is held. + */ + void (*release)(struct kvm_device *dev); + int (*set_attr)(struct kvm_device *dev, struct kvm_device_attr *attr); int (*get_attr)(struct kvm_device *dev, struct kvm_device_attr *attr); int (*has_attr)(struct kvm_device *dev, struct kvm_device_attr *attr); long (*ioctl)(struct kvm_device *dev, unsigned int ioctl, unsigned long arg); + int (*mmap)(struct kvm_device *dev, struct vm_area_struct *vma); }; void kvm_device_get(struct kvm_device *dev); diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index d673734c46cb..d727adf07801 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -989,6 +989,7 @@ struct kvm_ppc_resize_hpt { #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */ #define KVM_CAP_HYPERV_CPUID 167 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168 +#define KVM_CAP_PPC_IRQ_XIVE 169 #ifdef KVM_CAP_IRQ_ROUTING @@ -1212,6 +1213,8 @@ enum kvm_device_type { #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_ITS, #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS + KVM_DEV_TYPE_XIVE, +#define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_MAX, }; |