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-rw-r--r--arch/powerpc/include/asm/kvm_para.h70
1 files changed, 1 insertions, 69 deletions
diff --git a/arch/powerpc/include/asm/kvm_para.h b/arch/powerpc/include/asm/kvm_para.h
index c18916bff689..9365860fb7f6 100644
--- a/arch/powerpc/include/asm/kvm_para.h
+++ b/arch/powerpc/include/asm/kvm_para.h
@@ -16,77 +16,11 @@
16 * 16 *
17 * Authors: Hollis Blanchard <hollisb@us.ibm.com> 17 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
18 */ 18 */
19
20#ifndef __POWERPC_KVM_PARA_H__ 19#ifndef __POWERPC_KVM_PARA_H__
21#define __POWERPC_KVM_PARA_H__ 20#define __POWERPC_KVM_PARA_H__
22 21
23#include <linux/types.h> 22#include <uapi/asm/kvm_para.h>
24 23
25/*
26 * Additions to this struct must only occur at the end, and should be
27 * accompanied by a KVM_MAGIC_FEAT flag to advertise that they are present
28 * (albeit not necessarily relevant to the current target hardware platform).
29 *
30 * Struct fields are always 32 or 64 bit aligned, depending on them being 32
31 * or 64 bit wide respectively.
32 *
33 * See Documentation/virtual/kvm/ppc-pv.txt
34 */
35struct kvm_vcpu_arch_shared {
36 __u64 scratch1;
37 __u64 scratch2;
38 __u64 scratch3;
39 __u64 critical; /* Guest may not get interrupts if == r1 */
40 __u64 sprg0;
41 __u64 sprg1;
42 __u64 sprg2;
43 __u64 sprg3;
44 __u64 srr0;
45 __u64 srr1;
46 __u64 dar; /* dear on BookE */
47 __u64 msr;
48 __u32 dsisr;
49 __u32 int_pending; /* Tells the guest if we have an interrupt */
50 __u32 sr[16];
51 __u32 mas0;
52 __u32 mas1;
53 __u64 mas7_3;
54 __u64 mas2;
55 __u32 mas4;
56 __u32 mas6;
57 __u32 esr;
58 __u32 pir;
59
60 /*
61 * SPRG4-7 are user-readable, so we can only keep these consistent
62 * between the shared area and the real registers when there's an
63 * intervening exit to KVM. This also applies to SPRG3 on some
64 * chips.
65 *
66 * This suffices for access by guest userspace, since in PR-mode
67 * KVM, an exit must occur when changing the guest's MSR[PR].
68 * If the guest kernel writes to SPRG3-7 via the shared area, it
69 * must also use the shared area for reading while in kernel space.
70 */
71 __u64 sprg4;
72 __u64 sprg5;
73 __u64 sprg6;
74 __u64 sprg7;
75};
76
77#define KVM_SC_MAGIC_R0 0x4b564d21 /* "KVM!" */
78#define HC_VENDOR_KVM (42 << 16)
79#define HC_EV_SUCCESS 0
80#define HC_EV_UNIMPLEMENTED 12
81
82#define KVM_FEATURE_MAGIC_PAGE 1
83
84#define KVM_MAGIC_FEAT_SR (1 << 0)
85
86/* MASn, ESR, PIR, and high SPRGs */
87#define KVM_MAGIC_FEAT_MAS0_TO_SPRG7 (1 << 1)
88
89#ifdef __KERNEL__
90 24
91#ifdef CONFIG_KVM_GUEST 25#ifdef CONFIG_KVM_GUEST
92 26
@@ -211,6 +145,4 @@ static inline bool kvm_check_and_clear_guest_paused(void)
211 return false; 145 return false;
212} 146}
213 147
214#endif /* __KERNEL__ */
215
216#endif /* __POWERPC_KVM_PARA_H__ */ 148#endif /* __POWERPC_KVM_PARA_H__ */