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[1/2] Pull in MEMOP changes in linux-headers

Message ID 20220506153956.2217601-2-scgl@linux.ibm.com (mailing list archive)
State New, archived
Headers show
Series s390x: kvm: Honor storage keys during emulation | expand

Commit Message

Janis Schoetterl-Glausch May 6, 2022, 3:39 p.m. UTC 
Since a full update of the linux headers pulls in changes in vfio.h that
break compilation, pull in only the required changes for storage key
support.

Signed-off-by: Janis Schoetterl-Glausch <scgl@linux.ibm.com>
---
 linux-headers/linux/kvm.h | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)
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Patch

diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index d232feaae9..3948ffaad9 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -562,9 +562,12 @@  struct kvm_s390_mem_op {
 	__u32 op;		/* type of operation */
 	__u64 buf;		/* buffer in userspace */
 	union {
-		__u8 ar;	/* the access register number */
+		struct {
+			__u8 ar;	/* the access register number */
+			__u8 key;	/* access key, ignored if flag unset */
+		};
 		__u32 sida_offset; /* offset into the sida */
-		__u8 reserved[32]; /* should be set to 0 */
+		__u8 reserved[32]; /* ignored */
 	};
 };
 /* types for kvm_s390_mem_op->op */
@@ -572,9 +575,12 @@  struct kvm_s390_mem_op {
 #define KVM_S390_MEMOP_LOGICAL_WRITE	1
 #define KVM_S390_MEMOP_SIDA_READ	2
 #define KVM_S390_MEMOP_SIDA_WRITE	3
+#define KVM_S390_MEMOP_ABSOLUTE_READ	4
+#define KVM_S390_MEMOP_ABSOLUTE_WRITE	5
 /* flags for kvm_s390_mem_op->flags */
 #define KVM_S390_MEMOP_F_CHECK_ONLY		(1ULL << 0)
 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION	(1ULL << 1)
+#define KVM_S390_MEMOP_F_SKEY_PROTECTION	(1ULL << 2)
 
 /* for KVM_INTERRUPT */
 struct kvm_interrupt {
@@ -1134,6 +1140,7 @@  struct kvm_ppc_resize_hpt {
 #define KVM_CAP_VM_GPA_BITS 207
 #define KVM_CAP_XSAVE2 208
 #define KVM_CAP_SYS_ATTRIBUTES 209
+#define KVM_CAP_S390_MEM_OP_EXTENSION 211
 
 #ifdef KVM_CAP_IRQ_ROUTING