On 08/09/2011 07:31 PM, Alexander Graf wrote:
When running a PAPR guest, we need to handle a few hypercalls in kernel space,
most prominently the page table invalidation (to sync the shadows).
So this patch adds handling for a few PAPR hypercalls to PR mode KVM. I tried
to share the code with HV mode, but it ended up being a lot easier this way
around, as the two differ too much in those details.
+++ b/arch/powerpc/kvm/book3s_pr_papr.c
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2011. Freescale Inc. All rights reserved.
+ *
+ * Authors:
+ * Alexander Graf<ag...@suse.de>
+ * Paul Mackerras<pau...@samba.org>
+ *
+ * Description:
+ *
+ * Hypercall handling for running PAPR guests in PR KVM on Book 3S
+ * processors.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ */
Copyright freescale, authors Paul and yourself?
+
+static unsigned long get_pteg_addr(struct kvm_vcpu *vcpu, long pte_index)
+{
+ struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu);
+ unsigned long pteg_addr;
+
+ pte_index<<= 4;
+ pte_index&= ((1<< ((vcpu_book3s->sdr1& 0x1f) + 11)) - 1)<< 7 | 0x70;
+ pteg_addr = vcpu_book3s->sdr1& 0xfffffffffffc0000ULL;
+ pteg_addr |= pte_index;
+
+ return pteg_addr;
+}
Evil space crept in.
--
error compiling committee.c: too many arguments to function
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