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bbf45ba5 HB |
1 | /* |
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. | |
5 | * | |
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. | |
10 | * | |
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. | |
14 | * | |
15 | * Copyright IBM Corp. 2007 | |
16 | * | |
17 | * Authors: Hollis Blanchard <hollisb@us.ibm.com> | |
18 | */ | |
19 | ||
20 | #ifndef __POWERPC_KVM_HOST_H__ | |
21 | #define __POWERPC_KVM_HOST_H__ | |
22 | ||
23 | #include <linux/mutex.h> | |
544c6761 AG |
24 | #include <linux/hrtimer.h> |
25 | #include <linux/interrupt.h> | |
bbf45ba5 HB |
26 | #include <linux/types.h> |
27 | #include <linux/kvm_types.h> | |
96bc451a | 28 | #include <linux/kvm_para.h> |
bbf45ba5 HB |
29 | #include <asm/kvm_asm.h> |
30 | ||
31 | #define KVM_MAX_VCPUS 1 | |
32 | #define KVM_MEMORY_SLOTS 32 | |
33 | /* memory slots that does not exposed to userspace */ | |
34 | #define KVM_PRIVATE_MEM_SLOTS 4 | |
35 | ||
588968b6 LV |
36 | #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 |
37 | ||
bbf45ba5 | 38 | /* We don't currently support large pages. */ |
82855413 | 39 | #define KVM_HPAGE_GFN_SHIFT(x) 0 |
ec04b260 JR |
40 | #define KVM_NR_PAGE_SIZES 1 |
41 | #define KVM_PAGES_PER_HPAGE(x) (1UL<<31) | |
bbf45ba5 | 42 | |
fef093be AG |
43 | #define HPTEG_CACHE_NUM (1 << 15) |
44 | #define HPTEG_HASH_BITS_PTE 13 | |
45 | #define HPTEG_HASH_BITS_VPTE 13 | |
46 | #define HPTEG_HASH_BITS_VPTE_LONG 5 | |
47 | #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) | |
48 | #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) | |
49 | #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) | |
ca95150b | 50 | |
28e83b4f AG |
51 | /* Physical Address Mask - allowed range of real mode RAM access */ |
52 | #define KVM_PAM 0x0fffffffffffffffULL | |
53 | ||
bbf45ba5 HB |
54 | struct kvm; |
55 | struct kvm_run; | |
56 | struct kvm_vcpu; | |
57 | ||
58 | struct kvm_vm_stat { | |
59 | u32 remote_tlb_flush; | |
60 | }; | |
61 | ||
62 | struct kvm_vcpu_stat { | |
63 | u32 sum_exits; | |
64 | u32 mmio_exits; | |
65 | u32 dcr_exits; | |
66 | u32 signal_exits; | |
67 | u32 light_exits; | |
68 | /* Account for special types of light exits: */ | |
69 | u32 itlb_real_miss_exits; | |
70 | u32 itlb_virt_miss_exits; | |
71 | u32 dtlb_real_miss_exits; | |
72 | u32 dtlb_virt_miss_exits; | |
73 | u32 syscall_exits; | |
74 | u32 isi_exits; | |
75 | u32 dsi_exits; | |
76 | u32 emulated_inst_exits; | |
77 | u32 dec_exits; | |
78 | u32 ext_intr_exits; | |
45c5eb67 | 79 | u32 halt_wakeup; |
00c3a37c | 80 | #ifdef CONFIG_PPC_BOOK3S |
ca95150b AG |
81 | u32 pf_storage; |
82 | u32 pf_instruc; | |
83 | u32 sp_storage; | |
84 | u32 sp_instruc; | |
85 | u32 queue_intr; | |
86 | u32 ld; | |
87 | u32 ld_slow; | |
88 | u32 st; | |
89 | u32 st_slow; | |
90 | #endif | |
bbf45ba5 HB |
91 | }; |
92 | ||
73e75b41 HB |
93 | enum kvm_exit_types { |
94 | MMIO_EXITS, | |
95 | DCR_EXITS, | |
96 | SIGNAL_EXITS, | |
97 | ITLB_REAL_MISS_EXITS, | |
98 | ITLB_VIRT_MISS_EXITS, | |
99 | DTLB_REAL_MISS_EXITS, | |
100 | DTLB_VIRT_MISS_EXITS, | |
101 | SYSCALL_EXITS, | |
102 | ISI_EXITS, | |
103 | DSI_EXITS, | |
104 | EMULATED_INST_EXITS, | |
105 | EMULATED_MTMSRWE_EXITS, | |
106 | EMULATED_WRTEE_EXITS, | |
107 | EMULATED_MTSPR_EXITS, | |
108 | EMULATED_MFSPR_EXITS, | |
109 | EMULATED_MTMSR_EXITS, | |
110 | EMULATED_MFMSR_EXITS, | |
111 | EMULATED_TLBSX_EXITS, | |
112 | EMULATED_TLBWE_EXITS, | |
113 | EMULATED_RFI_EXITS, | |
114 | DEC_EXITS, | |
115 | EXT_INTR_EXITS, | |
116 | HALT_WAKEUP, | |
117 | USR_PR_INST, | |
118 | FP_UNAVAIL, | |
119 | DEBUG_EXITS, | |
120 | TIMEINGUEST, | |
121 | __NUMBER_OF_KVM_EXIT_TYPES | |
122 | }; | |
123 | ||
73e75b41 | 124 | /* allow access to big endian 32bit upper/lower parts and 64bit var */ |
7b701591 | 125 | struct kvmppc_exit_timing { |
73e75b41 HB |
126 | union { |
127 | u64 tv64; | |
128 | struct { | |
129 | u32 tbu, tbl; | |
130 | } tv32; | |
131 | }; | |
132 | }; | |
73e75b41 | 133 | |
bbf45ba5 HB |
134 | struct kvm_arch { |
135 | }; | |
136 | ||
ca95150b | 137 | struct kvmppc_pte { |
af7b4d10 | 138 | ulong eaddr; |
ca95150b | 139 | u64 vpage; |
af7b4d10 | 140 | ulong raddr; |
3ed9c6d2 AG |
141 | bool may_read : 1; |
142 | bool may_write : 1; | |
143 | bool may_execute : 1; | |
ca95150b AG |
144 | }; |
145 | ||
146 | struct kvmppc_mmu { | |
147 | /* book3s_64 only */ | |
148 | void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); | |
149 | u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); | |
150 | u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); | |
151 | void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); | |
152 | void (*slbia)(struct kvm_vcpu *vcpu); | |
153 | /* book3s */ | |
154 | void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); | |
155 | u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); | |
156 | int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, struct kvmppc_pte *pte, bool data); | |
157 | void (*reset_msr)(struct kvm_vcpu *vcpu); | |
158 | void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); | |
af7b4d10 | 159 | int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); |
ca95150b AG |
160 | u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); |
161 | bool (*is_dcbz32)(struct kvm_vcpu *vcpu); | |
162 | }; | |
163 | ||
164 | struct hpte_cache { | |
fef093be AG |
165 | struct hlist_node list_pte; |
166 | struct hlist_node list_vpte; | |
167 | struct hlist_node list_vpte_long; | |
2e0908af | 168 | struct rcu_head rcu_head; |
ca95150b AG |
169 | u64 host_va; |
170 | u64 pfn; | |
171 | ulong slot; | |
172 | struct kvmppc_pte pte; | |
173 | }; | |
174 | ||
bbf45ba5 | 175 | struct kvm_vcpu_arch { |
ca95150b | 176 | ulong host_stack; |
bbf45ba5 | 177 | u32 host_pid; |
00c3a37c | 178 | #ifdef CONFIG_PPC_BOOK3S |
ca95150b AG |
179 | ulong host_msr; |
180 | ulong host_r2; | |
181 | void *host_retip; | |
182 | ulong trampoline_lowmem; | |
183 | ulong trampoline_enter; | |
184 | ulong highmem_handler; | |
021ec9c6 | 185 | ulong rmcall; |
ca95150b AG |
186 | ulong host_paca_phys; |
187 | struct kvmppc_mmu mmu; | |
188 | #endif | |
bbf45ba5 | 189 | |
5cf8ca22 | 190 | ulong gpr[32]; |
bbf45ba5 | 191 | |
180a34d2 | 192 | u64 fpr[32]; |
c62e096d | 193 | u64 fpscr; |
180a34d2 AG |
194 | |
195 | #ifdef CONFIG_ALTIVEC | |
196 | vector128 vr[32]; | |
197 | vector128 vscr; | |
198 | #endif | |
199 | ||
200 | #ifdef CONFIG_VSX | |
201 | u64 vsr[32]; | |
202 | #endif | |
203 | ||
5aa9e2f4 AG |
204 | #ifdef CONFIG_PPC_BOOK3S |
205 | /* For Gekko paired singles */ | |
206 | u32 qpr[32]; | |
207 | #endif | |
208 | ||
0604675f | 209 | #ifdef CONFIG_BOOKE |
5cf8ca22 | 210 | ulong pc; |
5cf8ca22 HB |
211 | ulong ctr; |
212 | ulong lr; | |
7e57cba0 | 213 | |
5cf8ca22 | 214 | ulong xer; |
7e57cba0 AG |
215 | u32 cr; |
216 | #endif | |
bbf45ba5 | 217 | |
00c3a37c | 218 | #ifdef CONFIG_PPC_BOOK3S |
ca95150b AG |
219 | ulong shadow_msr; |
220 | ulong hflags; | |
180a34d2 | 221 | ulong guest_owned_ext; |
ca95150b | 222 | #endif |
bbf45ba5 | 223 | u32 mmucr; |
5cf8ca22 HB |
224 | ulong sprg4; |
225 | ulong sprg5; | |
226 | ulong sprg6; | |
227 | ulong sprg7; | |
5cf8ca22 HB |
228 | ulong csrr0; |
229 | ulong csrr1; | |
230 | ulong dsrr0; | |
231 | ulong dsrr1; | |
5cf8ca22 | 232 | ulong esr; |
bbf45ba5 HB |
233 | u32 dec; |
234 | u32 decar; | |
235 | u32 tbl; | |
236 | u32 tbu; | |
237 | u32 tcr; | |
238 | u32 tsr; | |
bb3a8a17 | 239 | u32 ivor[64]; |
5cf8ca22 | 240 | ulong ivpr; |
bbf45ba5 | 241 | u32 pir; |
ca95150b | 242 | u32 pvr; |
49dd2c49 HB |
243 | |
244 | u32 shadow_pid; | |
bbf45ba5 | 245 | u32 pid; |
49dd2c49 HB |
246 | u32 swap_pid; |
247 | ||
bbf45ba5 HB |
248 | u32 ccr0; |
249 | u32 ccr1; | |
250 | u32 dbcr0; | |
251 | u32 dbcr1; | |
f7b200af | 252 | u32 dbsr; |
bbf45ba5 | 253 | |
73e75b41 | 254 | #ifdef CONFIG_KVM_EXIT_TIMING |
7b701591 HB |
255 | struct kvmppc_exit_timing timing_exit; |
256 | struct kvmppc_exit_timing timing_last_enter; | |
73e75b41 HB |
257 | u32 last_exit_type; |
258 | u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; | |
259 | u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; | |
260 | u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; | |
261 | u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; | |
262 | u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; | |
263 | u64 timing_last_exit; | |
264 | struct dentry *debugfs_exit_timing; | |
265 | #endif | |
266 | ||
0604675f | 267 | #ifdef CONFIG_BOOKE |
bbf45ba5 | 268 | u32 last_inst; |
5cf8ca22 HB |
269 | ulong fault_dear; |
270 | ulong fault_esr; | |
daf5e271 LY |
271 | ulong queued_dear; |
272 | ulong queued_esr; | |
0604675f | 273 | #endif |
bbf45ba5 HB |
274 | gpa_t paddr_accessed; |
275 | ||
276 | u8 io_gpr; /* GPR used as IO source/target */ | |
277 | u8 mmio_is_bigendian; | |
3587d534 | 278 | u8 mmio_sign_extend; |
bbf45ba5 HB |
279 | u8 dcr_needed; |
280 | u8 dcr_is_write; | |
ad0a048b AG |
281 | u8 osi_needed; |
282 | u8 osi_enabled; | |
bbf45ba5 HB |
283 | |
284 | u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ | |
285 | ||
544c6761 AG |
286 | struct hrtimer dec_timer; |
287 | struct tasklet_struct tasklet; | |
ca95150b | 288 | u64 dec_jiffies; |
bbf45ba5 | 289 | unsigned long pending_exceptions; |
96bc451a | 290 | struct kvm_vcpu_arch_shared *shared; |
beb03f14 AG |
291 | unsigned long magic_page_pa; /* phys addr to map the magic page to */ |
292 | unsigned long magic_page_ea; /* effect. addr to map the magic page to */ | |
ca95150b | 293 | |
00c3a37c | 294 | #ifdef CONFIG_PPC_BOOK3S |
fef093be AG |
295 | struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE]; |
296 | struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE]; | |
297 | struct hlist_head hpte_hash_vpte_long[HPTEG_HASH_NUM_VPTE_LONG]; | |
298 | int hpte_cache_count; | |
2e0908af | 299 | spinlock_t mmu_lock; |
ca95150b | 300 | #endif |
bbf45ba5 HB |
301 | }; |
302 | ||
bbf45ba5 | 303 | #endif /* __POWERPC_KVM_HOST_H__ */ |