KVM: Update headers (except HIOR mess)

This patch is basically what ./scripts/update-linux-headers.sh against
upstream KVM's next branch outputs except that all the HIOR bits are
removed. These we have to update with the code that uses them.

Signed-off-by: Alexander Graf <agraf@suse.de>

1 files changed, 39 insertions, 2 deletions

diff --git a/linux-headers/asm-powerpc/kvm_para.h b/linux-headers/asm-powerpc/kvm_para.h
index ad58c90bf5..c047a84000 100644
--- a/linux-headers/asm-powerpc/kvm_para.h
+++ b/linux-headers/asm-powerpc/kvm_para.h
@@ -22,6 +22,16 @@
 
 #include <linux/types.h>
 
+/*
+ * Additions to this struct must only occur at the end, and should be
+ * accompanied by a KVM_MAGIC_FEAT flag to advertise that they are present
+ * (albeit not necessarily relevant to the current target hardware platform).
+ *
+ * Struct fields are always 32 or 64 bit aligned, depending on them being 32
+ * or 64 bit wide respectively.
+ *
+ * See Documentation/virtual/kvm/ppc-pv.txt
+ */
 struct kvm_vcpu_arch_shared {
 	__u64 scratch1;
 	__u64 scratch2;
@@ -33,11 +43,35 @@ struct kvm_vcpu_arch_shared {
 	__u64 sprg3;
 	__u64 srr0;
 	__u64 srr1;
-	__u64 dar;
+	__u64 dar;		/* dear on BookE */
 	__u64 msr;
 	__u32 dsisr;
 	__u32 int_pending;	/* Tells the guest if we have an interrupt */
 	__u32 sr[16];
+	__u32 mas0;
+	__u32 mas1;
+	__u64 mas7_3;
+	__u64 mas2;
+	__u32 mas4;
+	__u32 mas6;
+	__u32 esr;
+	__u32 pir;
+
+	/*
+	 * SPRG4-7 are user-readable, so we can only keep these consistent
+	 * between the shared area and the real registers when there's an
+	 * intervening exit to KVM.  This also applies to SPRG3 on some
+	 * chips.
+	 *
+	 * This suffices for access by guest userspace, since in PR-mode
+	 * KVM, an exit must occur when changing the guest's MSR[PR].
+	 * If the guest kernel writes to SPRG3-7 via the shared area, it
+	 * must also use the shared area for reading while in kernel space.
+	 */
+	__u64 sprg4;
+	__u64 sprg5;
+	__u64 sprg6;
+	__u64 sprg7;
 };
 
 #define KVM_SC_MAGIC_R0		0x4b564d21 /* "KVM!" */
@@ -47,7 +81,10 @@ struct kvm_vcpu_arch_shared {
 
 #define KVM_FEATURE_MAGIC_PAGE	1
 
-#define KVM_MAGIC_FEAT_SR	(1 << 0)
+#define KVM_MAGIC_FEAT_SR		(1 << 0)
+
+/* MASn, ESR, PIR, and high SPRGs */
+#define KVM_MAGIC_FEAT_MAS0_TO_SPRG7	(1 << 1)
 
 
 #endif /* __POWERPC_KVM_PARA_H__ */