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Diffstat (limited to 'arch/powerpc/include/asm/kvm_book3s_asm.h')
-rw-r--r--arch/powerpc/include/asm/kvm_book3s_asm.h64
1 files changed, 41 insertions, 23 deletions
diff --git a/arch/powerpc/include/asm/kvm_book3s_asm.h b/arch/powerpc/include/asm/kvm_book3s_asm.h
index 9039d3c97eec..3435fe144908 100644
--- a/arch/powerpc/include/asm/kvm_book3s_asm.h
+++ b/arch/powerpc/include/asm/kvm_book3s_asm.h
@@ -1,16 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
- * 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
*
@@ -25,7 +14,13 @@
#define XICS_MFRR 0xc
#define XICS_IPI 2 /* interrupt source # for IPIs */
-#ifdef __ASSEMBLY__
+/* Maximum number of threads per physical core */
+#define MAX_SMT_THREADS 8
+
+/* Maximum number of subcores per physical core */
+#define MAX_SUBCORES 4
+
+#ifdef __ASSEMBLER__
#ifdef CONFIG_KVM_BOOK3S_HANDLER
@@ -63,7 +58,20 @@ kvmppc_resume_\intno:
#endif /* CONFIG_KVM_BOOK3S_HANDLER */
-#else /*__ASSEMBLY__ */
+#else /*__ASSEMBLER__ */
+
+struct kvmppc_vcore;
+
+/* Struct used for coordinating micro-threading (split-core) mode changes */
+struct kvm_split_mode {
+ unsigned long rpr;
+ unsigned long pmmar;
+ unsigned long ldbar;
+ u8 subcore_size;
+ u8 do_nap;
+ u8 napped[MAX_SMT_THREADS];
+ struct kvmppc_vcore *vc[MAX_SUBCORES];
+};
/*
* This struct goes in the PACA on 64-bit processors. It is used
@@ -79,43 +87,52 @@ struct kvmppc_host_state {
ulong vmhandler;
ulong scratch0;
ulong scratch1;
+ ulong scratch2;
u8 in_guest;
u8 restore_hid5;
u8 napping;
-#ifdef CONFIG_KVM_BOOK3S_64_HV
+#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
u8 hwthread_req;
u8 hwthread_state;
u8 host_ipi;
+ u8 ptid; /* thread number within subcore when split */
+ u8 fake_suspend;
struct kvm_vcpu *kvm_vcpu;
struct kvmppc_vcore *kvm_vcore;
- unsigned long xics_phys;
+ void __iomem *xics_phys;
+ void __iomem *xive_tima_phys;
+ void __iomem *xive_tima_virt;
u32 saved_xirr;
u64 dabr;
- u64 host_mmcr[3];
+ u64 host_mmcr[7]; /* MMCR 0,1,A, SIAR, SDAR, MMCR2, SIER */
u32 host_pmc[8];
u64 host_purr;
u64 host_spurr;
u64 host_dscr;
u64 dec_expires;
+ struct kvm_split_mode *kvm_split_mode;
#endif
#ifdef CONFIG_PPC_BOOK3S_64
u64 cfar;
+ u64 ppr;
+ u64 host_fscr;
#endif
};
struct kvmppc_book3s_shadow_vcpu {
+ bool in_use;
ulong gpr[14];
u32 cr;
- u32 xer;
-
- u32 fault_dsisr;
- u32 last_inst;
+ ulong xer;
ulong ctr;
ulong lr;
ulong pc;
+
ulong shadow_srr1;
ulong fault_dar;
+ u32 fault_dsisr;
+ u32 last_inst;
#ifdef CONFIG_PPC_BOOK3S_32
u32 sr[16]; /* Guest SRs */
@@ -129,14 +146,15 @@ struct kvmppc_book3s_shadow_vcpu {
u64 esid;
u64 vsid;
} slb[64]; /* guest SLB */
+ u64 shadow_fscr;
#endif
};
-#endif /*__ASSEMBLY__ */
+#endif /*__ASSEMBLER__ */
/* Values for kvm_state */
#define KVM_HWTHREAD_IN_KERNEL 0
-#define KVM_HWTHREAD_IN_NAP 1
+#define KVM_HWTHREAD_IN_IDLE 1
#define KVM_HWTHREAD_IN_KVM 2
#endif /* __ASM_KVM_BOOK3S_ASM_H__ */