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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 | |
2d27fc5e | 45 | #define HPTEG_HASH_BITS_PTE_LONG 12 |
fef093be AG |
46 | #define HPTEG_HASH_BITS_VPTE 13 |
47 | #define HPTEG_HASH_BITS_VPTE_LONG 5 | |
48 | #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) | |
2d27fc5e | 49 | #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) |
fef093be AG |
50 | #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) |
51 | #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) | |
ca95150b | 52 | |
28e83b4f AG |
53 | /* Physical Address Mask - allowed range of real mode RAM access */ |
54 | #define KVM_PAM 0x0fffffffffffffffULL | |
55 | ||
bbf45ba5 HB |
56 | struct kvm; |
57 | struct kvm_run; | |
58 | struct kvm_vcpu; | |
59 | ||
60 | struct kvm_vm_stat { | |
61 | u32 remote_tlb_flush; | |
62 | }; | |
63 | ||
64 | struct kvm_vcpu_stat { | |
65 | u32 sum_exits; | |
66 | u32 mmio_exits; | |
67 | u32 dcr_exits; | |
68 | u32 signal_exits; | |
69 | u32 light_exits; | |
70 | /* Account for special types of light exits: */ | |
71 | u32 itlb_real_miss_exits; | |
72 | u32 itlb_virt_miss_exits; | |
73 | u32 dtlb_real_miss_exits; | |
74 | u32 dtlb_virt_miss_exits; | |
75 | u32 syscall_exits; | |
76 | u32 isi_exits; | |
77 | u32 dsi_exits; | |
78 | u32 emulated_inst_exits; | |
79 | u32 dec_exits; | |
80 | u32 ext_intr_exits; | |
45c5eb67 | 81 | u32 halt_wakeup; |
00c3a37c | 82 | #ifdef CONFIG_PPC_BOOK3S |
ca95150b AG |
83 | u32 pf_storage; |
84 | u32 pf_instruc; | |
85 | u32 sp_storage; | |
86 | u32 sp_instruc; | |
87 | u32 queue_intr; | |
88 | u32 ld; | |
89 | u32 ld_slow; | |
90 | u32 st; | |
91 | u32 st_slow; | |
92 | #endif | |
bbf45ba5 HB |
93 | }; |
94 | ||
73e75b41 HB |
95 | enum kvm_exit_types { |
96 | MMIO_EXITS, | |
97 | DCR_EXITS, | |
98 | SIGNAL_EXITS, | |
99 | ITLB_REAL_MISS_EXITS, | |
100 | ITLB_VIRT_MISS_EXITS, | |
101 | DTLB_REAL_MISS_EXITS, | |
102 | DTLB_VIRT_MISS_EXITS, | |
103 | SYSCALL_EXITS, | |
104 | ISI_EXITS, | |
105 | DSI_EXITS, | |
106 | EMULATED_INST_EXITS, | |
107 | EMULATED_MTMSRWE_EXITS, | |
108 | EMULATED_WRTEE_EXITS, | |
109 | EMULATED_MTSPR_EXITS, | |
110 | EMULATED_MFSPR_EXITS, | |
111 | EMULATED_MTMSR_EXITS, | |
112 | EMULATED_MFMSR_EXITS, | |
113 | EMULATED_TLBSX_EXITS, | |
114 | EMULATED_TLBWE_EXITS, | |
115 | EMULATED_RFI_EXITS, | |
116 | DEC_EXITS, | |
117 | EXT_INTR_EXITS, | |
118 | HALT_WAKEUP, | |
119 | USR_PR_INST, | |
120 | FP_UNAVAIL, | |
121 | DEBUG_EXITS, | |
122 | TIMEINGUEST, | |
123 | __NUMBER_OF_KVM_EXIT_TYPES | |
124 | }; | |
125 | ||
73e75b41 | 126 | /* allow access to big endian 32bit upper/lower parts and 64bit var */ |
7b701591 | 127 | struct kvmppc_exit_timing { |
73e75b41 HB |
128 | union { |
129 | u64 tv64; | |
130 | struct { | |
131 | u32 tbu, tbl; | |
132 | } tv32; | |
133 | }; | |
134 | }; | |
73e75b41 | 135 | |
bbf45ba5 HB |
136 | struct kvm_arch { |
137 | }; | |
138 | ||
ca95150b | 139 | struct kvmppc_pte { |
af7b4d10 | 140 | ulong eaddr; |
ca95150b | 141 | u64 vpage; |
af7b4d10 | 142 | ulong raddr; |
3ed9c6d2 AG |
143 | bool may_read : 1; |
144 | bool may_write : 1; | |
145 | bool may_execute : 1; | |
ca95150b AG |
146 | }; |
147 | ||
148 | struct kvmppc_mmu { | |
149 | /* book3s_64 only */ | |
150 | void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); | |
151 | u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); | |
152 | u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); | |
153 | void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); | |
154 | void (*slbia)(struct kvm_vcpu *vcpu); | |
155 | /* book3s */ | |
156 | void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); | |
157 | u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); | |
158 | int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, struct kvmppc_pte *pte, bool data); | |
159 | void (*reset_msr)(struct kvm_vcpu *vcpu); | |
160 | void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); | |
af7b4d10 | 161 | int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); |
ca95150b AG |
162 | u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); |
163 | bool (*is_dcbz32)(struct kvm_vcpu *vcpu); | |
164 | }; | |
165 | ||
166 | struct hpte_cache { | |
fef093be | 167 | struct hlist_node list_pte; |
2d27fc5e | 168 | struct hlist_node list_pte_long; |
fef093be AG |
169 | struct hlist_node list_vpte; |
170 | struct hlist_node list_vpte_long; | |
2e0908af | 171 | struct rcu_head rcu_head; |
ca95150b AG |
172 | u64 host_va; |
173 | u64 pfn; | |
174 | ulong slot; | |
175 | struct kvmppc_pte pte; | |
176 | }; | |
177 | ||
bbf45ba5 | 178 | struct kvm_vcpu_arch { |
ca95150b | 179 | ulong host_stack; |
bbf45ba5 | 180 | u32 host_pid; |
00c3a37c | 181 | #ifdef CONFIG_PPC_BOOK3S |
ca95150b AG |
182 | ulong host_msr; |
183 | ulong host_r2; | |
184 | void *host_retip; | |
185 | ulong trampoline_lowmem; | |
186 | ulong trampoline_enter; | |
187 | ulong highmem_handler; | |
021ec9c6 | 188 | ulong rmcall; |
ca95150b AG |
189 | ulong host_paca_phys; |
190 | struct kvmppc_mmu mmu; | |
191 | #endif | |
bbf45ba5 | 192 | |
5cf8ca22 | 193 | ulong gpr[32]; |
bbf45ba5 | 194 | |
180a34d2 | 195 | u64 fpr[32]; |
c62e096d | 196 | u64 fpscr; |
180a34d2 | 197 | |
4cd35f67 SW |
198 | #ifdef CONFIG_SPE |
199 | ulong evr[32]; | |
200 | ulong spefscr; | |
201 | ulong host_spefscr; | |
202 | u64 acc; | |
203 | #endif | |
180a34d2 AG |
204 | #ifdef CONFIG_ALTIVEC |
205 | vector128 vr[32]; | |
206 | vector128 vscr; | |
207 | #endif | |
208 | ||
209 | #ifdef CONFIG_VSX | |
210 | u64 vsr[32]; | |
211 | #endif | |
212 | ||
5aa9e2f4 AG |
213 | #ifdef CONFIG_PPC_BOOK3S |
214 | /* For Gekko paired singles */ | |
215 | u32 qpr[32]; | |
216 | #endif | |
217 | ||
0604675f | 218 | #ifdef CONFIG_BOOKE |
5cf8ca22 | 219 | ulong pc; |
5cf8ca22 HB |
220 | ulong ctr; |
221 | ulong lr; | |
7e57cba0 | 222 | |
5cf8ca22 | 223 | ulong xer; |
7e57cba0 AG |
224 | u32 cr; |
225 | #endif | |
bbf45ba5 | 226 | |
00c3a37c | 227 | #ifdef CONFIG_PPC_BOOK3S |
ca95150b | 228 | ulong hflags; |
180a34d2 | 229 | ulong guest_owned_ext; |
ca95150b | 230 | #endif |
eab17672 | 231 | u32 vrsave; /* also USPRG0 */ |
bbf45ba5 | 232 | u32 mmucr; |
ecee273f | 233 | ulong shadow_msr; |
5cf8ca22 HB |
234 | ulong sprg4; |
235 | ulong sprg5; | |
236 | ulong sprg6; | |
237 | ulong sprg7; | |
5cf8ca22 HB |
238 | ulong csrr0; |
239 | ulong csrr1; | |
240 | ulong dsrr0; | |
241 | ulong dsrr1; | |
5ce941ee SW |
242 | ulong mcsrr0; |
243 | ulong mcsrr1; | |
244 | ulong mcsr; | |
5cf8ca22 | 245 | ulong esr; |
bbf45ba5 HB |
246 | u32 dec; |
247 | u32 decar; | |
248 | u32 tbl; | |
249 | u32 tbu; | |
250 | u32 tcr; | |
251 | u32 tsr; | |
bb3a8a17 | 252 | u32 ivor[64]; |
5cf8ca22 | 253 | ulong ivpr; |
bbf45ba5 | 254 | u32 pir; |
ca95150b | 255 | u32 pvr; |
49dd2c49 HB |
256 | |
257 | u32 shadow_pid; | |
bbf45ba5 | 258 | u32 pid; |
49dd2c49 HB |
259 | u32 swap_pid; |
260 | ||
bbf45ba5 HB |
261 | u32 ccr0; |
262 | u32 ccr1; | |
263 | u32 dbcr0; | |
264 | u32 dbcr1; | |
f7b200af | 265 | u32 dbsr; |
bbf45ba5 | 266 | |
73e75b41 | 267 | #ifdef CONFIG_KVM_EXIT_TIMING |
09000adb | 268 | struct mutex exit_timing_lock; |
7b701591 HB |
269 | struct kvmppc_exit_timing timing_exit; |
270 | struct kvmppc_exit_timing timing_last_enter; | |
73e75b41 HB |
271 | u32 last_exit_type; |
272 | u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; | |
273 | u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; | |
274 | u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; | |
275 | u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; | |
276 | u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; | |
277 | u64 timing_last_exit; | |
278 | struct dentry *debugfs_exit_timing; | |
279 | #endif | |
280 | ||
0604675f | 281 | #ifdef CONFIG_BOOKE |
bbf45ba5 | 282 | u32 last_inst; |
5cf8ca22 HB |
283 | ulong fault_dear; |
284 | ulong fault_esr; | |
daf5e271 LY |
285 | ulong queued_dear; |
286 | ulong queued_esr; | |
0604675f | 287 | #endif |
bbf45ba5 HB |
288 | gpa_t paddr_accessed; |
289 | ||
290 | u8 io_gpr; /* GPR used as IO source/target */ | |
291 | u8 mmio_is_bigendian; | |
3587d534 | 292 | u8 mmio_sign_extend; |
bbf45ba5 HB |
293 | u8 dcr_needed; |
294 | u8 dcr_is_write; | |
ad0a048b AG |
295 | u8 osi_needed; |
296 | u8 osi_enabled; | |
bbf45ba5 HB |
297 | |
298 | u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ | |
299 | ||
544c6761 AG |
300 | struct hrtimer dec_timer; |
301 | struct tasklet_struct tasklet; | |
ca95150b | 302 | u64 dec_jiffies; |
bbf45ba5 | 303 | unsigned long pending_exceptions; |
96bc451a | 304 | struct kvm_vcpu_arch_shared *shared; |
beb03f14 AG |
305 | unsigned long magic_page_pa; /* phys addr to map the magic page to */ |
306 | unsigned long magic_page_ea; /* effect. addr to map the magic page to */ | |
ca95150b | 307 | |
00c3a37c | 308 | #ifdef CONFIG_PPC_BOOK3S |
fef093be | 309 | struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE]; |
2d27fc5e | 310 | struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG]; |
fef093be AG |
311 | struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE]; |
312 | struct hlist_head hpte_hash_vpte_long[HPTEG_HASH_NUM_VPTE_LONG]; | |
313 | int hpte_cache_count; | |
2e0908af | 314 | spinlock_t mmu_lock; |
ca95150b | 315 | #endif |
bbf45ba5 HB |
316 | }; |
317 | ||
bbf45ba5 | 318 | #endif /* __POWERPC_KVM_HOST_H__ */ |