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authorAlexander Graf <agraf@suse.de>2012-01-20 14:41:12 +0100
committerAlexander Graf <agraf@suse.de>2012-02-02 02:47:42 +0100
commit1529ae1bc61a15e9a243dcbad70c95dfcdd1f0c5 (patch)
tree92e4d946da35ff705a79e6271905209b24e90065 /linux-headers/asm-powerpc
parentd34e8f6e9d3a396c3327aa9807c83f9e1f4a7bd7 (diff)
downloadqemu-arm-1529ae1bc61a15e9a243dcbad70c95dfcdd1f0c5.tar.gz
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>
Diffstat (limited to 'linux-headers/asm-powerpc')
-rw-r--r--linux-headers/asm-powerpc/kvm.h9
-rw-r--r--linux-headers/asm-powerpc/kvm_para.h41
2 files changed, 42 insertions, 8 deletions
diff --git a/linux-headers/asm-powerpc/kvm.h b/linux-headers/asm-powerpc/kvm.h
index fb3fddcd87..1f0cb55af5 100644
--- a/linux-headers/asm-powerpc/kvm.h
+++ b/linux-headers/asm-powerpc/kvm.h
@@ -265,12 +265,9 @@ struct kvm_debug_exit_arch {
struct kvm_guest_debug_arch {
};
-#define KVM_REG_MASK 0x001f
-#define KVM_REG_EXT_MASK 0xffe0
-#define KVM_REG_GPR 0x0000
-#define KVM_REG_FPR 0x0020
-#define KVM_REG_QPR 0x0040
-#define KVM_REG_FQPR 0x0060
+/* definition of registers in kvm_run */
+struct kvm_sync_regs {
+};
#define KVM_INTERRUPT_SET -1U
#define KVM_INTERRUPT_UNSET -2U
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__ */