diff options
| author | Michael Mueller <mimu@linux.vnet.ibm.com> | 2015-02-02 15:42:51 +0100 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2015-02-09 12:44:12 +0100 |
| commit | 9d8d578605b4fca37bd2230bbacb3ad0ee48e7e4 (patch) | |
| tree | 4d0af38197c3f4350b49cbd2c5bd6fc303b89377 /arch/s390/kvm/kvm-s390.h | |
| parent | 45c9b47c5883d02abab6c7c7788e3d97a2f158e1 (diff) | |
KVM: s390: use facilities and cpu_id per KVM
The patch introduces facilities and cpu_ids per virtual machine.
Different virtual machines may want to expose different facilities and
cpu ids to the guest, so let's make them per-vm instead of global.
Signed-off-by: Michael Mueller <mimu@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm/kvm-s390.h')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h index c22dce8a7536..985c2114d7ef 100644 --- a/arch/s390/kvm/kvm-s390.h +++ b/arch/s390/kvm/kvm-s390.h @@ -18,12 +18,10 @@ #include <linux/hrtimer.h> #include <linux/kvm.h> #include <linux/kvm_host.h> +#include <asm/facility.h> typedef int (*intercept_handler_t)(struct kvm_vcpu *vcpu); -/* declare vfacilities extern */ -extern unsigned long *vfacilities; - /* Transactional Memory Execution related macros */ #define IS_TE_ENABLED(vcpu) ((vcpu->arch.sie_block->ecb & 0x10)) #define TDB_FORMAT1 1 @@ -127,6 +125,12 @@ static inline void kvm_s390_set_psw_cc(struct kvm_vcpu *vcpu, unsigned long cc) vcpu->arch.sie_block->gpsw.mask |= cc << 44; } +/* test availability of facility in a kvm intance */ +static inline int test_kvm_facility(struct kvm *kvm, unsigned long nr) +{ + return __test_facility(nr, kvm->arch.model.fac->kvm); +} + /* are cpu states controlled by user space */ static inline int kvm_s390_user_cpu_state_ctrl(struct kvm *kvm) { @@ -183,7 +187,8 @@ int kvm_s390_vcpu_setup_cmma(struct kvm_vcpu *vcpu); void kvm_s390_vcpu_unsetup_cmma(struct kvm_vcpu *vcpu); /* is cmma enabled */ bool kvm_s390_cmma_enabled(struct kvm *kvm); -int test_vfacility(unsigned long nr); +unsigned long kvm_s390_fac_list_mask_size(void); +extern unsigned long kvm_s390_fac_list_mask[]; /* implemented in diag.c */ int kvm_s390_handle_diag(struct kvm_vcpu *vcpu); |