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_H__
21 #define __ASM_KVM_BOOK3S_H__
23 #include <linux/types.h>
24 #include <linux/kvm_host.h>
25 #include <asm/kvm_book3s_asm.h>
38 struct kvmppc_sid_map
{
45 #define SID_MAP_BITS 9
46 #define SID_MAP_NUM (1 << SID_MAP_BITS)
47 #define SID_MAP_MASK (SID_MAP_NUM - 1)
49 #ifdef CONFIG_PPC_BOOK3S_64
50 #define SID_CONTEXTS 1
52 #define SID_CONTEXTS 128
53 #define VSID_POOL_SIZE (SID_CONTEXTS * 16)
57 struct hlist_node list_pte
;
58 struct hlist_node list_pte_long
;
59 struct hlist_node list_vpte
;
60 struct hlist_node list_vpte_long
;
61 #ifdef CONFIG_PPC_BOOK3S_64
62 struct hlist_node list_vpte_64k
;
64 struct rcu_head rcu_head
;
68 struct kvmppc_pte pte
;
72 struct kvmppc_vcpu_book3s
{
73 struct kvmppc_sid_map sid_map
[SID_MAP_NUM
];
79 struct kvmppc_bat ibat
[8];
80 struct kvmppc_bat dbat
[8];
86 #ifdef CONFIG_PPC_BOOK3S_32
87 u32 vsid_pool
[VSID_POOL_SIZE
];
94 int context_id
[SID_CONTEXTS
];
96 bool hior_explicit
; /* HIOR is set by ioctl, not PVR */
98 struct hlist_head hpte_hash_pte
[HPTEG_HASH_NUM_PTE
];
99 struct hlist_head hpte_hash_pte_long
[HPTEG_HASH_NUM_PTE_LONG
];
100 struct hlist_head hpte_hash_vpte
[HPTEG_HASH_NUM_VPTE
];
101 struct hlist_head hpte_hash_vpte_long
[HPTEG_HASH_NUM_VPTE_LONG
];
102 #ifdef CONFIG_PPC_BOOK3S_64
103 struct hlist_head hpte_hash_vpte_64k
[HPTEG_HASH_NUM_VPTE_64K
];
105 int hpte_cache_count
;
109 #define VSID_REAL 0x07ffffffffc00000ULL
110 #define VSID_BAT 0x07ffffffffb00000ULL
111 #define VSID_64K 0x0800000000000000ULL
112 #define VSID_1T 0x1000000000000000ULL
113 #define VSID_REAL_DR 0x2000000000000000ULL
114 #define VSID_REAL_IR 0x4000000000000000ULL
115 #define VSID_PR 0x8000000000000000ULL
117 extern void kvmppc_mmu_pte_flush(struct kvm_vcpu
*vcpu
, ulong ea
, ulong ea_mask
);
118 extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu
*vcpu
, u64 vp
, u64 vp_mask
);
119 extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu
*vcpu
, ulong pa_start
, ulong pa_end
);
120 extern void kvmppc_set_msr(struct kvm_vcpu
*vcpu
, u64 new_msr
);
121 extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu
*vcpu
);
122 extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu
*vcpu
);
123 extern void kvmppc_mmu_book3s_hv_init(struct kvm_vcpu
*vcpu
);
124 extern int kvmppc_mmu_map_page(struct kvm_vcpu
*vcpu
, struct kvmppc_pte
*pte
,
126 extern void kvmppc_mmu_unmap_page(struct kvm_vcpu
*vcpu
, struct kvmppc_pte
*pte
);
127 extern int kvmppc_mmu_map_segment(struct kvm_vcpu
*vcpu
, ulong eaddr
);
128 extern void kvmppc_mmu_flush_segment(struct kvm_vcpu
*vcpu
, ulong eaddr
, ulong seg_size
);
129 extern void kvmppc_mmu_flush_segments(struct kvm_vcpu
*vcpu
);
130 extern int kvmppc_book3s_hv_page_fault(struct kvm_run
*run
,
131 struct kvm_vcpu
*vcpu
, unsigned long addr
,
132 unsigned long status
);
133 extern long kvmppc_hv_find_lock_hpte(struct kvm
*kvm
, gva_t eaddr
,
134 unsigned long slb_v
, unsigned long valid
);
136 extern void kvmppc_mmu_hpte_cache_map(struct kvm_vcpu
*vcpu
, struct hpte_cache
*pte
);
137 extern struct hpte_cache
*kvmppc_mmu_hpte_cache_next(struct kvm_vcpu
*vcpu
);
138 extern void kvmppc_mmu_hpte_cache_free(struct hpte_cache
*pte
);
139 extern void kvmppc_mmu_hpte_destroy(struct kvm_vcpu
*vcpu
);
140 extern int kvmppc_mmu_hpte_init(struct kvm_vcpu
*vcpu
);
141 extern void kvmppc_mmu_invalidate_pte(struct kvm_vcpu
*vcpu
, struct hpte_cache
*pte
);
142 extern int kvmppc_mmu_hpte_sysinit(void);
143 extern void kvmppc_mmu_hpte_sysexit(void);
144 extern int kvmppc_mmu_hv_init(void);
145 extern int kvmppc_book3s_hcall_implemented(struct kvm
*kvm
, unsigned long hc
);
147 /* XXX remove this export when load_last_inst() is generic */
148 extern int kvmppc_ld(struct kvm_vcpu
*vcpu
, ulong
*eaddr
, int size
, void *ptr
, bool data
);
149 extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu
*vcpu
, unsigned int vec
);
150 extern void kvmppc_book3s_dequeue_irqprio(struct kvm_vcpu
*vcpu
,
152 extern void kvmppc_inject_interrupt(struct kvm_vcpu
*vcpu
, int vec
, u64 flags
);
153 extern void kvmppc_set_bat(struct kvm_vcpu
*vcpu
, struct kvmppc_bat
*bat
,
154 bool upper
, u32 val
);
155 extern void kvmppc_giveup_ext(struct kvm_vcpu
*vcpu
, ulong msr
);
156 extern int kvmppc_emulate_paired_single(struct kvm_run
*run
, struct kvm_vcpu
*vcpu
);
157 extern pfn_t
kvmppc_gpa_to_pfn(struct kvm_vcpu
*vcpu
, gpa_t gpa
, bool writing
,
159 extern void kvmppc_add_revmap_chain(struct kvm
*kvm
, struct revmap_entry
*rev
,
160 unsigned long *rmap
, long pte_index
, int realmode
);
161 extern void kvmppc_invalidate_hpte(struct kvm
*kvm
, __be64
*hptep
,
162 unsigned long pte_index
);
163 void kvmppc_clear_ref_hpte(struct kvm
*kvm
, __be64
*hptep
,
164 unsigned long pte_index
);
165 extern void *kvmppc_pin_guest_page(struct kvm
*kvm
, unsigned long addr
,
166 unsigned long *nb_ret
);
167 extern void kvmppc_unpin_guest_page(struct kvm
*kvm
, void *addr
,
168 unsigned long gpa
, bool dirty
);
169 extern long kvmppc_do_h_enter(struct kvm
*kvm
, unsigned long flags
,
170 long pte_index
, unsigned long pteh
, unsigned long ptel
,
171 pgd_t
*pgdir
, bool realmode
, unsigned long *idx_ret
);
172 extern long kvmppc_do_h_remove(struct kvm
*kvm
, unsigned long flags
,
173 unsigned long pte_index
, unsigned long avpn
,
174 unsigned long *hpret
);
175 extern long kvmppc_hv_get_dirty_log(struct kvm
*kvm
,
176 struct kvm_memory_slot
*memslot
, unsigned long *map
);
177 extern void kvmppc_update_lpcr(struct kvm
*kvm
, unsigned long lpcr
,
179 extern void kvmppc_set_fscr(struct kvm_vcpu
*vcpu
, u64 fscr
);
181 extern void kvmppc_entry_trampoline(void);
182 extern void kvmppc_hv_entry_trampoline(void);
183 extern u32
kvmppc_alignment_dsisr(struct kvm_vcpu
*vcpu
, unsigned int inst
);
184 extern ulong
kvmppc_alignment_dar(struct kvm_vcpu
*vcpu
, unsigned int inst
);
185 extern int kvmppc_h_pr(struct kvm_vcpu
*vcpu
, unsigned long cmd
);
186 extern void kvmppc_pr_init_default_hcalls(struct kvm
*kvm
);
187 extern int kvmppc_hcall_impl_pr(unsigned long cmd
);
188 extern int kvmppc_hcall_impl_hv_realmode(unsigned long cmd
);
189 extern void kvmppc_copy_to_svcpu(struct kvmppc_book3s_shadow_vcpu
*svcpu
,
190 struct kvm_vcpu
*vcpu
);
191 extern void kvmppc_copy_from_svcpu(struct kvm_vcpu
*vcpu
,
192 struct kvmppc_book3s_shadow_vcpu
*svcpu
);
194 static inline struct kvmppc_vcpu_book3s
*to_book3s(struct kvm_vcpu
*vcpu
)
196 return vcpu
->arch
.book3s
;
199 /* Also add subarch specific defines */
201 #ifdef CONFIG_KVM_BOOK3S_32_HANDLER
202 #include <asm/kvm_book3s_32.h>
204 #ifdef CONFIG_KVM_BOOK3S_64_HANDLER
205 #include <asm/kvm_book3s_64.h>
208 static inline void kvmppc_set_gpr(struct kvm_vcpu
*vcpu
, int num
, ulong val
)
210 vcpu
->arch
.gpr
[num
] = val
;
213 static inline ulong
kvmppc_get_gpr(struct kvm_vcpu
*vcpu
, int num
)
215 return vcpu
->arch
.gpr
[num
];
218 static inline void kvmppc_set_cr(struct kvm_vcpu
*vcpu
, u32 val
)
223 static inline u32
kvmppc_get_cr(struct kvm_vcpu
*vcpu
)
225 return vcpu
->arch
.cr
;
228 static inline void kvmppc_set_xer(struct kvm_vcpu
*vcpu
, u32 val
)
230 vcpu
->arch
.xer
= val
;
233 static inline u32
kvmppc_get_xer(struct kvm_vcpu
*vcpu
)
235 return vcpu
->arch
.xer
;
238 static inline void kvmppc_set_ctr(struct kvm_vcpu
*vcpu
, ulong val
)
240 vcpu
->arch
.ctr
= val
;
243 static inline ulong
kvmppc_get_ctr(struct kvm_vcpu
*vcpu
)
245 return vcpu
->arch
.ctr
;
248 static inline void kvmppc_set_lr(struct kvm_vcpu
*vcpu
, ulong val
)
253 static inline ulong
kvmppc_get_lr(struct kvm_vcpu
*vcpu
)
255 return vcpu
->arch
.lr
;
258 static inline void kvmppc_set_pc(struct kvm_vcpu
*vcpu
, ulong val
)
263 static inline ulong
kvmppc_get_pc(struct kvm_vcpu
*vcpu
)
265 return vcpu
->arch
.pc
;
268 static inline u64
kvmppc_get_msr(struct kvm_vcpu
*vcpu
);
269 static inline bool kvmppc_need_byteswap(struct kvm_vcpu
*vcpu
)
271 return (kvmppc_get_msr(vcpu
) & MSR_LE
) != (MSR_KERNEL
& MSR_LE
);
274 static inline ulong
kvmppc_get_fault_dar(struct kvm_vcpu
*vcpu
)
276 return vcpu
->arch
.fault_dar
;
279 static inline bool is_kvmppc_resume_guest(int r
)
281 return (r
== RESUME_GUEST
|| r
== RESUME_GUEST_NV
);
284 static inline bool is_kvmppc_hv_enabled(struct kvm
*kvm
);
285 static inline bool kvmppc_supports_magic_page(struct kvm_vcpu
*vcpu
)
287 /* Only PR KVM supports the magic page */
288 return !is_kvmppc_hv_enabled(vcpu
->kvm
);
291 /* Magic register values loaded into r3 and r4 before the 'sc' assembly
292 * instruction for the OSI hypercalls */
293 #define OSI_SC_MAGIC_R3 0x113724FA
294 #define OSI_SC_MAGIC_R4 0x77810F9B
296 #define INS_DCBZ 0x7c0007ec
297 /* TO = 31 for unconditional trap */
298 #define INS_TW 0x7fe00008
300 /* LPIDs we support with this build -- runtime limit may be lower */
301 #define KVMPPC_NR_LPIDS (LPID_RSVD + 1)
303 #define SPLIT_HACK_MASK 0xff000000
304 #define SPLIT_HACK_OFFS 0xfb000000
306 #endif /* __ASM_KVM_BOOK3S_H__ */