Add asm/kvm_book3s.h

This adds the book3s specific header file that contains structs that
are only valid on book3s specific code.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
new file mode 100644 (file)
index 0000000..c601133
--- /dev/null
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -0,0 +1,136 @@
+/*
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright SUSE Linux Products GmbH 2009
+ *
+ * Authors: Alexander Graf <agraf@suse.de>
+ */
+
+#ifndef __ASM_KVM_BOOK3S_H__
+#define __ASM_KVM_BOOK3S_H__
+
+#include <linux/types.h>
+#include <linux/kvm_host.h>
+#include <asm/kvm_ppc.h>
+
+struct kvmppc_slb {
+       u64 esid;
+       u64 vsid;
+       u64 orige;
+       u64 origv;
+       bool valid;
+       bool Ks;
+       bool Kp;
+       bool nx;
+       bool large;
+       bool class;
+};
+
+struct kvmppc_sr {
+       u32 raw;
+       u32 vsid;
+       bool Ks;
+       bool Kp;
+       bool nx;
+};
+
+struct kvmppc_bat {
+       u32 bepi;
+       u32 bepi_mask;
+       bool vs;
+       bool vp;
+       u32 brpn;
+       u8 wimg;
+       u8 pp;
+};
+
+struct kvmppc_sid_map {
+       u64 guest_vsid;
+       u64 guest_esid;
+       u64 host_vsid;
+       bool valid;
+};
+
+#define SID_MAP_BITS    9
+#define SID_MAP_NUM     (1 << SID_MAP_BITS)
+#define SID_MAP_MASK    (SID_MAP_NUM - 1)
+
+struct kvmppc_vcpu_book3s {
+       struct kvm_vcpu vcpu;
+       struct kvmppc_sid_map sid_map[SID_MAP_NUM];
+       struct kvmppc_slb slb[64];
+       struct {
+               u64 esid;
+               u64 vsid;
+       } slb_shadow[64];
+       u8 slb_shadow_max;
+       struct kvmppc_sr sr[16];
+       struct kvmppc_bat ibat[8];
+       struct kvmppc_bat dbat[8];
+       u64 hid[6];
+       int slb_nr;
+       u64 sdr1;
+       u64 dsisr;
+       u64 hior;
+       u64 msr_mask;
+       u64 vsid_first;
+       u64 vsid_next;
+       u64 vsid_max;
+       int context_id;
+};
+
+#define CONTEXT_HOST           0
+#define CONTEXT_GUEST          1
+#define CONTEXT_GUEST_END      2
+
+#define VSID_REAL      0xfffffffffff00000
+#define VSID_REAL_DR   0xffffffffffe00000
+#define VSID_REAL_IR   0xffffffffffd00000
+#define VSID_BAT       0xffffffffffc00000
+#define VSID_PR                0x8000000000000000
+
+extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 ea, u64 ea_mask);
+extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask);
+extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, u64 pa_start, u64 pa_end);
+extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr);
+extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu);
+extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu);
+extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte);
+extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr);
+extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu);
+extern struct kvmppc_pte *kvmppc_mmu_find_pte(struct kvm_vcpu *vcpu, u64 ea, bool data);
+extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr, bool data);
+extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr);
+extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec);
+
+extern u32 kvmppc_trampoline_lowmem;
+extern u32 kvmppc_trampoline_enter;
+
+static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu)
+{
+       return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu);
+}
+
+static inline ulong dsisr(void)
+{
+       ulong r;
+       asm ( "mfdsisr %0 " : "=r" (r) );
+       return r;
+}
+
+extern void kvm_return_point(void);
+
+#define INS_DCBZ                       0x7c0007ec
+
+#endif /* __ASM_KVM_BOOK3S_H__ */