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[RFC PATCH v3 1/3] linux-headers/asm-powerpc/kvm.h: Add HASHKEYR and HAS
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From: |
Víctor Colombo |
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Subject: |
[RFC PATCH v3 1/3] linux-headers/asm-powerpc/kvm.h: Add HASHKEYR and HASHPKEYR in headers |
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Date: |
Wed, 13 Jul 2022 13:54:56 -0300 |
Linux KVM currently does not export these registers. Create
placeholders for them to allow implementing hashchk(p) and
hashst(p) instructions from PowerISA 3.1B.
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
---
linux-headers/asm-powerpc/kvm.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/linux-headers/asm-powerpc/kvm.h b/linux-headers/asm-powerpc/kvm.h
index 9f18fa090f..4ae4718143 100644
--- a/linux-headers/asm-powerpc/kvm.h
+++ b/linux-headers/asm-powerpc/kvm.h
@@ -646,6 +646,9 @@ struct kvm_ppc_cpu_char {
#define KVM_REG_PPC_SIER3 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc3)
#define KVM_REG_PPC_DAWR1 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc4)
#define KVM_REG_PPC_DAWRX1 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc5)
+/* FIXME: KVM hasn't exposed these registers yet */
+#define KVM_REG_PPC_HASHKEYR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x00)
+#define KVM_REG_PPC_HASHPKEYR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x00)
/* Transactional Memory checkpointed state:
* This is all GPRs, all VSX regs and a subset of SPRs
--
2.25.1