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Commit 25c84dba authored by Michael Mueller's avatar Michael Mueller Committed by Christian Borntraeger
Browse files

KVM: s390: add kvm reference to struct sie_page2 



Adding the kvm reference to struct sie_page2 will allow to
determine the kvm a given gisa belongs to:

  container_of(gisa, struct sie_page2, gisa)->kvm

This functionality will be required to process a gisa in
gib alert interruption context.

Signed-off-by: default avatarMichael Mueller <mimu@linux.ibm.com>
Reviewed-by: default avatarPierre Morel <pmorel@linux.ibm.com>
Reviewed-by: default avatarCornelia Huck <cohuck@redhat.com>
Reviewed-by: default avatarDavid Hildenbrand <david@redhat.com>
Reviewed-by: default avatarHalil Pasic <pasic@linux.ibm.com>
Message-Id: <20190131085247.13826-11-mimu@linux.ibm.com>
Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
parent 1282c21e

arch/s390/include/asm/kvm_host.h

+2 −1
Original line number Diff line number Diff line
@@ -801,7 +801,8 @@ struct sie_page2 { 
	__u64 fac_list[S390_ARCH_FAC_LIST_SIZE_U64];	/* 0x0000 */

	struct kvm_s390_crypto_cb crycb;		/* 0x0800 */

	struct kvm_s390_gisa gisa;			/* 0x0900 */

	u8 reserved920[0x1000 - 0x920];			/* 0x0920 */

	struct kvm *kvm;				/* 0x0920 */

	u8 reserved928[0x1000 - 0x928];			/* 0x0928 */

};



struct kvm_s390_vsie {

arch/s390/kvm/kvm-s390.c

+1 −0
Original line number Diff line number Diff line
@@ -2210,6 +2210,7 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) 
	if (!kvm->arch.sie_page2)

		goto out_err;



	kvm->arch.sie_page2->kvm = kvm;

	kvm->arch.model.fac_list = kvm->arch.sie_page2->fac_list;



	for (i = 0; i < kvm_s390_fac_size(); i++) {