2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License, version 2, as
4 * published by the Free Software Foundation.
6 * This program is distributed in the hope that it will be useful,
7 * but WITHOUT ANY WARRANTY; without even the implied warranty of
8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9 * GNU General Public License for more details.
11 * You should have received a copy of the GNU General Public License
12 * along with this program; if not, write to the Free Software
13 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
15 * Copyright SUSE Linux Products GmbH 2009
17 * Authors: Alexander Graf <agraf@suse.de>
20 #ifndef __ASM_KVM_BOOK3S_ASM_H__
21 #define __ASM_KVM_BOOK3S_ASM_H__
23 /* XICS ICP register offsets */
26 #define XICS_IPI 2 /* interrupt source # for IPIs */
28 /* LPIDs we support with this build -- runtime limit may be lower */
29 #define KVMPPC_NR_LPIDS (LPID_RSVD + 1)
31 /* Maximum number of threads per physical core */
32 #define MAX_SMT_THREADS 8
34 /* Maximum number of subcores per physical core */
35 #define MAX_SUBCORES 4
39 #ifdef CONFIG_KVM_BOOK3S_HANDLER
41 #include <asm/kvm_asm.h>
44 .if (\intno == BOOK3S_INTERRUPT_SYSTEM_RESET) || \
45 (\intno == BOOK3S_INTERRUPT_MACHINE_CHECK) || \
46 (\intno == BOOK3S_INTERRUPT_DATA_STORAGE) || \
47 (\intno == BOOK3S_INTERRUPT_INST_STORAGE) || \
48 (\intno == BOOK3S_INTERRUPT_DATA_SEGMENT) || \
49 (\intno == BOOK3S_INTERRUPT_INST_SEGMENT) || \
50 (\intno == BOOK3S_INTERRUPT_EXTERNAL) || \
51 (\intno == BOOK3S_INTERRUPT_EXTERNAL_HV) || \
52 (\intno == BOOK3S_INTERRUPT_ALIGNMENT) || \
53 (\intno == BOOK3S_INTERRUPT_PROGRAM) || \
54 (\intno == BOOK3S_INTERRUPT_FP_UNAVAIL) || \
55 (\intno == BOOK3S_INTERRUPT_DECREMENTER) || \
56 (\intno == BOOK3S_INTERRUPT_SYSCALL) || \
57 (\intno == BOOK3S_INTERRUPT_TRACE) || \
58 (\intno == BOOK3S_INTERRUPT_PERFMON) || \
59 (\intno == BOOK3S_INTERRUPT_ALTIVEC) || \
60 (\intno == BOOK3S_INTERRUPT_VSX)
62 b kvmppc_trampoline_\intno
73 #endif /* CONFIG_KVM_BOOK3S_HANDLER */
75 #else /*__ASSEMBLY__ */
79 /* Struct used for coordinating micro-threading (split-core) mode changes */
80 struct kvm_split_mode {
86 u8 napped[MAX_SMT_THREADS];
87 struct kvmppc_vcore *vc[MAX_SUBCORES];
88 /* Bits for changing lpcr on P9 */
89 unsigned long lpcr_req;
90 unsigned long lpidr_req;
91 unsigned long host_lpcr;
101 * This struct goes in the PACA on 64-bit processors. It is used
102 * to store host state that needs to be saved when we enter a guest
103 * and restored when we exit, but isn't specific to any particular
104 * guest or vcpu. It also has some scratch fields used by the guest
107 struct kvmppc_host_state {
119 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
123 u8 ptid; /* thread number within subcore when split */
124 u8 tid; /* thread number within whole core */
126 struct kvm_vcpu *kvm_vcpu;
127 struct kvmppc_vcore *kvm_vcore;
128 void __iomem *xics_phys;
129 void __iomem *xive_tima_phys;
130 void __iomem *xive_tima_virt;
133 u64 host_mmcr[7]; /* MMCR 0,1,A, SIAR, SDAR, MMCR2, SIER */
139 struct kvm_split_mode *kvm_split_mode;
141 #ifdef CONFIG_PPC_BOOK3S_64
148 struct kvmppc_book3s_shadow_vcpu {
162 #ifdef CONFIG_PPC_BOOK3S_32
163 u32 sr[16]; /* Guest SRs */
165 struct kvmppc_host_state hstate;
168 #ifdef CONFIG_PPC_BOOK3S_64
169 u8 slb_max; /* highest used guest slb entry */
173 } slb[64]; /* guest SLB */
178 #endif /*__ASSEMBLY__ */
180 /* Values for kvm_state */
181 #define KVM_HWTHREAD_IN_KERNEL 0
182 #define KVM_HWTHREAD_IN_IDLE 1
183 #define KVM_HWTHREAD_IN_KVM 2
185 #endif /* __ASM_KVM_BOOK3S_ASM_H__ */