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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> | |
371fefd6 PM |
28 | #include <linux/threads.h> |
29 | #include <linux/spinlock.h> | |
96bc451a | 30 | #include <linux/kvm_para.h> |
aa04b4cc PM |
31 | #include <linux/list.h> |
32 | #include <linux/atomic.h> | |
bbf45ba5 | 33 | #include <asm/kvm_asm.h> |
371fefd6 | 34 | #include <asm/processor.h> |
342d3db7 | 35 | #include <asm/page.h> |
249ba1ee | 36 | #include <asm/cacheflush.h> |
699a0ea0 | 37 | #include <asm/hvcall.h> |
bbf45ba5 | 38 | |
371fefd6 PM |
39 | #define KVM_MAX_VCPUS NR_CPUS |
40 | #define KVM_MAX_VCORES NR_CPUS | |
696066f8 | 41 | #define KVM_USER_MEM_SLOTS 512 |
bbf45ba5 | 42 | |
de56a948 | 43 | #ifdef CONFIG_KVM_MMIO |
588968b6 | 44 | #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 |
de56a948 | 45 | #endif |
920552b2 | 46 | #define KVM_HALT_POLL_NS_DEFAULT 500000 |
588968b6 | 47 | |
de9ba2f3 AG |
48 | /* These values are internal and can be increased later */ |
49 | #define KVM_NR_IRQCHIPS 1 | |
50 | #define KVM_IRQCHIP_NUM_PINS 256 | |
51 | ||
2860c4b1 PB |
52 | /* PPC-specific vcpu->requests bit members */ |
53 | #define KVM_REQ_WATCHDOG 8 | |
54 | #define KVM_REQ_EPR_EXIT 9 | |
55 | ||
342d3db7 PM |
56 | #include <linux/mmu_notifier.h> |
57 | ||
58 | #define KVM_ARCH_WANT_MMU_NOTIFIER | |
59 | ||
342d3db7 | 60 | extern int kvm_unmap_hva(struct kvm *kvm, unsigned long hva); |
b3ae2096 TY |
61 | extern int kvm_unmap_hva_range(struct kvm *kvm, |
62 | unsigned long start, unsigned long end); | |
57128468 | 63 | extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); |
342d3db7 PM |
64 | extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); |
65 | extern void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); | |
66 | ||
fe71557a TC |
67 | static inline void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm, |
68 | unsigned long address) | |
69 | { | |
70 | } | |
71 | ||
fef093be AG |
72 | #define HPTEG_CACHE_NUM (1 << 15) |
73 | #define HPTEG_HASH_BITS_PTE 13 | |
2d27fc5e | 74 | #define HPTEG_HASH_BITS_PTE_LONG 12 |
fef093be AG |
75 | #define HPTEG_HASH_BITS_VPTE 13 |
76 | #define HPTEG_HASH_BITS_VPTE_LONG 5 | |
a4a0f252 | 77 | #define HPTEG_HASH_BITS_VPTE_64K 11 |
fef093be | 78 | #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) |
2d27fc5e | 79 | #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) |
fef093be AG |
80 | #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) |
81 | #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) | |
a4a0f252 | 82 | #define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K) |
ca95150b | 83 | |
28e83b4f AG |
84 | /* Physical Address Mask - allowed range of real mode RAM access */ |
85 | #define KVM_PAM 0x0fffffffffffffffULL | |
86 | ||
a8606e20 PM |
87 | struct lppaca; |
88 | struct slb_shadow; | |
2e25aa5f | 89 | struct dtl_entry; |
a8606e20 | 90 | |
3ff95502 PM |
91 | struct kvmppc_vcpu_book3s; |
92 | struct kvmppc_book3s_shadow_vcpu; | |
93 | ||
bbf45ba5 HB |
94 | struct kvm_vm_stat { |
95 | u32 remote_tlb_flush; | |
96 | }; | |
97 | ||
98 | struct kvm_vcpu_stat { | |
99 | u32 sum_exits; | |
100 | u32 mmio_exits; | |
bbf45ba5 HB |
101 | u32 signal_exits; |
102 | u32 light_exits; | |
103 | /* Account for special types of light exits: */ | |
104 | u32 itlb_real_miss_exits; | |
105 | u32 itlb_virt_miss_exits; | |
106 | u32 dtlb_real_miss_exits; | |
107 | u32 dtlb_virt_miss_exits; | |
108 | u32 syscall_exits; | |
109 | u32 isi_exits; | |
110 | u32 dsi_exits; | |
111 | u32 emulated_inst_exits; | |
112 | u32 dec_exits; | |
113 | u32 ext_intr_exits; | |
f7819512 | 114 | u32 halt_successful_poll; |
62bea5bf | 115 | u32 halt_attempted_poll; |
45c5eb67 | 116 | u32 halt_wakeup; |
d30f6e48 SW |
117 | u32 dbell_exits; |
118 | u32 gdbell_exits; | |
35c4a733 AG |
119 | u32 ld; |
120 | u32 st; | |
00c3a37c | 121 | #ifdef CONFIG_PPC_BOOK3S |
ca95150b AG |
122 | u32 pf_storage; |
123 | u32 pf_instruc; | |
124 | u32 sp_storage; | |
125 | u32 sp_instruc; | |
126 | u32 queue_intr; | |
ca95150b | 127 | u32 ld_slow; |
ca95150b AG |
128 | u32 st_slow; |
129 | #endif | |
bbf45ba5 HB |
130 | }; |
131 | ||
73e75b41 HB |
132 | enum kvm_exit_types { |
133 | MMIO_EXITS, | |
73e75b41 HB |
134 | SIGNAL_EXITS, |
135 | ITLB_REAL_MISS_EXITS, | |
136 | ITLB_VIRT_MISS_EXITS, | |
137 | DTLB_REAL_MISS_EXITS, | |
138 | DTLB_VIRT_MISS_EXITS, | |
139 | SYSCALL_EXITS, | |
140 | ISI_EXITS, | |
141 | DSI_EXITS, | |
142 | EMULATED_INST_EXITS, | |
143 | EMULATED_MTMSRWE_EXITS, | |
144 | EMULATED_WRTEE_EXITS, | |
145 | EMULATED_MTSPR_EXITS, | |
146 | EMULATED_MFSPR_EXITS, | |
147 | EMULATED_MTMSR_EXITS, | |
148 | EMULATED_MFMSR_EXITS, | |
149 | EMULATED_TLBSX_EXITS, | |
150 | EMULATED_TLBWE_EXITS, | |
151 | EMULATED_RFI_EXITS, | |
d30f6e48 | 152 | EMULATED_RFCI_EXITS, |
c8ca97ca | 153 | EMULATED_RFDI_EXITS, |
73e75b41 HB |
154 | DEC_EXITS, |
155 | EXT_INTR_EXITS, | |
156 | HALT_WAKEUP, | |
157 | USR_PR_INST, | |
158 | FP_UNAVAIL, | |
159 | DEBUG_EXITS, | |
160 | TIMEINGUEST, | |
d30f6e48 SW |
161 | DBELL_EXITS, |
162 | GDBELL_EXITS, | |
73e75b41 HB |
163 | __NUMBER_OF_KVM_EXIT_TYPES |
164 | }; | |
165 | ||
73e75b41 | 166 | /* allow access to big endian 32bit upper/lower parts and 64bit var */ |
7b701591 | 167 | struct kvmppc_exit_timing { |
73e75b41 HB |
168 | union { |
169 | u64 tv64; | |
170 | struct { | |
171 | u32 tbu, tbl; | |
172 | } tv32; | |
173 | }; | |
174 | }; | |
73e75b41 | 175 | |
de56a948 PM |
176 | struct kvmppc_pginfo { |
177 | unsigned long pfn; | |
178 | atomic_t refcnt; | |
179 | }; | |
180 | ||
54738c09 DG |
181 | struct kvmppc_spapr_tce_table { |
182 | struct list_head list; | |
183 | struct kvm *kvm; | |
184 | u64 liobn; | |
185 | u32 window_size; | |
186 | struct page *pages[0]; | |
187 | }; | |
188 | ||
bc5ad3f3 BH |
189 | /* XICS components, defined in book3s_xics.c */ |
190 | struct kvmppc_xics; | |
191 | struct kvmppc_icp; | |
192 | ||
8936dda4 PM |
193 | /* |
194 | * The reverse mapping array has one entry for each HPTE, | |
195 | * which stores the guest's view of the second word of the HPTE | |
06ce2c63 PM |
196 | * (including the guest physical address of the mapping), |
197 | * plus forward and backward pointers in a doubly-linked ring | |
198 | * of HPTEs that map the same host page. The pointers in this | |
199 | * ring are 32-bit HPTE indexes, to save space. | |
8936dda4 PM |
200 | */ |
201 | struct revmap_entry { | |
202 | unsigned long guest_rpte; | |
06ce2c63 | 203 | unsigned int forw, back; |
8936dda4 PM |
204 | }; |
205 | ||
06ce2c63 | 206 | /* |
a66b48c3 | 207 | * We use the top bit of each memslot->arch.rmap entry as a lock bit, |
06ce2c63 PM |
208 | * and bit 32 as a present flag. The bottom 32 bits are the |
209 | * index in the guest HPT of a HPTE that points to the page. | |
210 | */ | |
211 | #define KVMPPC_RMAP_LOCK_BIT 63 | |
bad3b507 | 212 | #define KVMPPC_RMAP_RC_SHIFT 32 |
08fe1e7b | 213 | #define KVMPPC_RMAP_CHG_SHIFT 48 |
bad3b507 PM |
214 | #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) |
215 | #define KVMPPC_RMAP_CHANGED (HPTE_R_C << KVMPPC_RMAP_RC_SHIFT) | |
08fe1e7b | 216 | #define KVMPPC_RMAP_CHG_ORDER (0x3ful << KVMPPC_RMAP_CHG_SHIFT) |
06ce2c63 PM |
217 | #define KVMPPC_RMAP_PRESENT 0x100000000ul |
218 | #define KVMPPC_RMAP_INDEX 0xfffffffful | |
219 | ||
db3fe4eb | 220 | struct kvm_arch_memory_slot { |
9975f5e3 | 221 | #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE |
d89cc617 | 222 | unsigned long *rmap; |
9975f5e3 | 223 | #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ |
db3fe4eb TY |
224 | }; |
225 | ||
bbf45ba5 | 226 | struct kvm_arch { |
d30f6e48 | 227 | unsigned int lpid; |
9975f5e3 | 228 | #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE |
de56a948 | 229 | unsigned long hpt_virt; |
8936dda4 | 230 | struct revmap_entry *revmap; |
de56a948 PM |
231 | unsigned int host_lpid; |
232 | unsigned long host_lpcr; | |
233 | unsigned long sdr1; | |
234 | unsigned long host_sdr1; | |
235 | int tlbie_lock; | |
aa04b4cc | 236 | unsigned long lpcr; |
697d3899 | 237 | unsigned long vrma_slb_v; |
31037eca | 238 | int hpte_setup_done; |
32fad281 PM |
239 | u32 hpt_order; |
240 | atomic_t vcpus_running; | |
1b400ba0 | 241 | u32 online_vcores; |
32fad281 PM |
242 | unsigned long hpt_npte; |
243 | unsigned long hpt_mask; | |
44e5f6be | 244 | atomic_t hpte_mod_interest; |
1b400ba0 | 245 | cpumask_t need_tlb_flush; |
fa61a4e3 | 246 | int hpt_cma_alloc; |
e23a808b PM |
247 | struct dentry *debugfs_dir; |
248 | struct dentry *htab_dentry; | |
9975f5e3 | 249 | #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ |
7aa79938 | 250 | #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE |
9308ab8e PM |
251 | struct mutex hpt_mutex; |
252 | #endif | |
f31e65e1 BH |
253 | #ifdef CONFIG_PPC_BOOK3S_64 |
254 | struct list_head spapr_tce_tables; | |
8e591cb7 | 255 | struct list_head rtas_tokens; |
699a0ea0 | 256 | DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); |
f31e65e1 | 257 | #endif |
de9ba2f3 AG |
258 | #ifdef CONFIG_KVM_MPIC |
259 | struct openpic *mpic; | |
260 | #endif | |
bc5ad3f3 BH |
261 | #ifdef CONFIG_KVM_XICS |
262 | struct kvmppc_xics *xics; | |
263 | #endif | |
cbbc58d4 | 264 | struct kvmppc_ops *kvm_ops; |
1287cb3f AG |
265 | #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE |
266 | /* This array can grow quite large, keep it at the end */ | |
267 | struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; | |
268 | #endif | |
bbf45ba5 HB |
269 | }; |
270 | ||
371fefd6 PM |
271 | /* |
272 | * Struct for a virtual core. | |
7d6c40da PM |
273 | * Note: entry_exit_map combines a bitmap of threads that have entered |
274 | * in the bottom 8 bits and a bitmap of threads that have exited in the | |
275 | * next 8 bits. This is so that we can atomically set the entry bit | |
276 | * iff the exit map is 0 without taking a lock. | |
371fefd6 PM |
277 | */ |
278 | struct kvmppc_vcore { | |
279 | int n_runnable; | |
371fefd6 | 280 | int num_threads; |
7d6c40da | 281 | int entry_exit_map; |
19ccb76a | 282 | int napping_threads; |
e0b7ec05 | 283 | int first_vcpuid; |
371fefd6 | 284 | u16 pcpu; |
1b400ba0 | 285 | u16 last_cpu; |
19ccb76a | 286 | u8 vcore_state; |
371fefd6 | 287 | u8 in_guest; |
ec257165 | 288 | struct kvmppc_vcore *master_vcore; |
371fefd6 | 289 | struct list_head runnable_threads; |
ec257165 | 290 | struct list_head preempt_list; |
371fefd6 | 291 | spinlock_t lock; |
19ccb76a | 292 | wait_queue_head_t wq; |
2711e248 | 293 | spinlock_t stoltb_lock; /* protects stolen_tb and preempt_tb */ |
0456ec4f PM |
294 | u64 stolen_tb; |
295 | u64 preempt_tb; | |
296 | struct kvm_vcpu *runner; | |
e0b7ec05 | 297 | struct kvm *kvm; |
93b0f4dc | 298 | u64 tb_offset; /* guest timebase - host timebase */ |
a0144e2a | 299 | ulong lpcr; |
388cc6e1 PM |
300 | u32 arch_compat; |
301 | ulong pcr; | |
b005255e | 302 | ulong dpdes; /* doorbell state (POWER8) */ |
90fd09f8 | 303 | ulong conferring_threads; |
371fefd6 PM |
304 | }; |
305 | ||
7d6c40da PM |
306 | #define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff) |
307 | #define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8) | |
308 | #define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0) | |
371fefd6 | 309 | |
b4deba5c PM |
310 | /* This bit is used when a vcore exit is triggered from outside the vcore */ |
311 | #define VCORE_EXIT_REQ 0x10000 | |
312 | ||
ec257165 PM |
313 | /* |
314 | * Values for vcore_state. | |
315 | * Note that these are arranged such that lower values | |
316 | * (< VCORE_SLEEPING) don't require stolen time accounting | |
317 | * on load/unload, and higher values do. | |
318 | */ | |
19ccb76a | 319 | #define VCORE_INACTIVE 0 |
ec257165 PM |
320 | #define VCORE_PREEMPT 1 |
321 | #define VCORE_PIGGYBACK 2 | |
322 | #define VCORE_SLEEPING 3 | |
323 | #define VCORE_RUNNING 4 | |
324 | #define VCORE_EXITING 5 | |
19ccb76a | 325 | |
2e25aa5f PM |
326 | /* |
327 | * Struct used to manage memory for a virtual processor area | |
328 | * registered by a PAPR guest. There are three types of area | |
329 | * that a guest can register. | |
330 | */ | |
331 | struct kvmppc_vpa { | |
c35635ef | 332 | unsigned long gpa; /* Current guest phys addr */ |
2e25aa5f PM |
333 | void *pinned_addr; /* Address in kernel linear mapping */ |
334 | void *pinned_end; /* End of region */ | |
335 | unsigned long next_gpa; /* Guest phys addr for update */ | |
336 | unsigned long len; /* Number of bytes required */ | |
337 | u8 update_pending; /* 1 => update pinned_addr from next_gpa */ | |
c35635ef | 338 | bool dirty; /* true => area has been modified by kernel */ |
2e25aa5f PM |
339 | }; |
340 | ||
ca95150b | 341 | struct kvmppc_pte { |
af7b4d10 | 342 | ulong eaddr; |
ca95150b | 343 | u64 vpage; |
af7b4d10 | 344 | ulong raddr; |
3ed9c6d2 AG |
345 | bool may_read : 1; |
346 | bool may_write : 1; | |
347 | bool may_execute : 1; | |
a4a0f252 | 348 | u8 page_size; /* MMU_PAGE_xxx */ |
ca95150b AG |
349 | }; |
350 | ||
351 | struct kvmppc_mmu { | |
352 | /* book3s_64 only */ | |
353 | void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); | |
354 | u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); | |
355 | u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); | |
356 | void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); | |
357 | void (*slbia)(struct kvm_vcpu *vcpu); | |
358 | /* book3s */ | |
359 | void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); | |
360 | u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); | |
93b159b4 PM |
361 | int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, |
362 | struct kvmppc_pte *pte, bool data, bool iswrite); | |
ca95150b AG |
363 | void (*reset_msr)(struct kvm_vcpu *vcpu); |
364 | void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); | |
af7b4d10 | 365 | int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); |
ca95150b AG |
366 | u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); |
367 | bool (*is_dcbz32)(struct kvm_vcpu *vcpu); | |
368 | }; | |
369 | ||
c4befc58 PM |
370 | struct kvmppc_slb { |
371 | u64 esid; | |
372 | u64 vsid; | |
373 | u64 orige; | |
374 | u64 origv; | |
375 | bool valid : 1; | |
376 | bool Ks : 1; | |
377 | bool Kp : 1; | |
378 | bool nx : 1; | |
379 | bool large : 1; /* PTEs are 16MB */ | |
380 | bool tb : 1; /* 1TB segment */ | |
381 | bool class : 1; | |
a4a0f252 | 382 | u8 base_page_size; /* MMU_PAGE_xxx */ |
ca95150b AG |
383 | }; |
384 | ||
b6c295df PM |
385 | /* Struct used to accumulate timing information in HV real mode code */ |
386 | struct kvmhv_tb_accumulator { | |
387 | u64 seqcount; /* used to synchronize access, also count * 2 */ | |
388 | u64 tb_total; /* total time in timebase ticks */ | |
389 | u64 tb_min; /* min time */ | |
390 | u64 tb_max; /* max time */ | |
391 | }; | |
392 | ||
6df8d3fc BB |
393 | # ifdef CONFIG_PPC_FSL_BOOK3E |
394 | #define KVMPPC_BOOKE_IAC_NUM 2 | |
395 | #define KVMPPC_BOOKE_DAC_NUM 2 | |
396 | # else | |
397 | #define KVMPPC_BOOKE_IAC_NUM 4 | |
398 | #define KVMPPC_BOOKE_DAC_NUM 2 | |
399 | # endif | |
400 | #define KVMPPC_BOOKE_MAX_IAC 4 | |
401 | #define KVMPPC_BOOKE_MAX_DAC 2 | |
402 | ||
5df554ad SW |
403 | /* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ |
404 | #define KVMPPC_EPR_NONE 0 /* EPR not supported */ | |
405 | #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ | |
406 | #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ | |
407 | ||
eb1e4f43 SW |
408 | #define KVMPPC_IRQ_DEFAULT 0 |
409 | #define KVMPPC_IRQ_MPIC 1 | |
bc5ad3f3 | 410 | #define KVMPPC_IRQ_XICS 2 |
eb1e4f43 SW |
411 | |
412 | struct openpic; | |
413 | ||
bbf45ba5 | 414 | struct kvm_vcpu_arch { |
ca95150b | 415 | ulong host_stack; |
bbf45ba5 | 416 | u32 host_pid; |
00c3a37c | 417 | #ifdef CONFIG_PPC_BOOK3S |
c4befc58 | 418 | struct kvmppc_slb slb[64]; |
de56a948 | 419 | int slb_max; /* 1 + index of last valid entry in slb[] */ |
c4befc58 | 420 | int slb_nr; /* total number of entries in SLB */ |
ca95150b | 421 | struct kvmppc_mmu mmu; |
3ff95502 PM |
422 | struct kvmppc_vcpu_book3s *book3s; |
423 | #endif | |
424 | #ifdef CONFIG_PPC_BOOK3S_32 | |
425 | struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; | |
ca95150b | 426 | #endif |
bbf45ba5 | 427 | |
5cf8ca22 | 428 | ulong gpr[32]; |
bbf45ba5 | 429 | |
efff1912 | 430 | struct thread_fp_state fp; |
180a34d2 | 431 | |
4cd35f67 SW |
432 | #ifdef CONFIG_SPE |
433 | ulong evr[32]; | |
434 | ulong spefscr; | |
435 | ulong host_spefscr; | |
436 | u64 acc; | |
437 | #endif | |
180a34d2 | 438 | #ifdef CONFIG_ALTIVEC |
efff1912 | 439 | struct thread_vr_state vr; |
180a34d2 AG |
440 | #endif |
441 | ||
d30f6e48 SW |
442 | #ifdef CONFIG_KVM_BOOKE_HV |
443 | u32 host_mas4; | |
444 | u32 host_mas6; | |
445 | u32 shadow_epcr; | |
d30f6e48 SW |
446 | u32 shadow_msrp; |
447 | u32 eplc; | |
448 | u32 epsc; | |
449 | u32 oldpir; | |
450 | #endif | |
451 | ||
62b4db00 AG |
452 | #if defined(CONFIG_BOOKE) |
453 | #if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) | |
454 | u32 epcr; | |
455 | #endif | |
456 | #endif | |
457 | ||
5aa9e2f4 AG |
458 | #ifdef CONFIG_PPC_BOOK3S |
459 | /* For Gekko paired singles */ | |
460 | u32 qpr[32]; | |
461 | #endif | |
462 | ||
5cf8ca22 | 463 | ulong pc; |
5cf8ca22 HB |
464 | ulong ctr; |
465 | ulong lr; | |
e14e7a1e | 466 | #ifdef CONFIG_PPC_BOOK3S |
b005255e | 467 | ulong tar; |
e14e7a1e | 468 | #endif |
7e57cba0 | 469 | |
5cf8ca22 | 470 | ulong xer; |
7e57cba0 | 471 | u32 cr; |
bbf45ba5 | 472 | |
00c3a37c | 473 | #ifdef CONFIG_PPC_BOOK3S |
ca95150b | 474 | ulong hflags; |
180a34d2 | 475 | ulong guest_owned_ext; |
de56a948 PM |
476 | ulong purr; |
477 | ulong spurr; | |
b005255e MN |
478 | ulong ic; |
479 | ulong vtb; | |
de56a948 PM |
480 | ulong dscr; |
481 | ulong amr; | |
482 | ulong uamor; | |
b005255e | 483 | ulong iamr; |
de56a948 | 484 | u32 ctrl; |
8563bf52 | 485 | u32 dabrx; |
de56a948 | 486 | ulong dabr; |
b005255e MN |
487 | ulong dawr; |
488 | ulong dawrx; | |
489 | ulong ciabr; | |
0acb9111 | 490 | ulong cfar; |
4b8473c9 | 491 | ulong ppr; |
f35f3a48 | 492 | u32 pspb; |
b005255e | 493 | ulong fscr; |
616dff86 | 494 | ulong shadow_fscr; |
b005255e MN |
495 | ulong ebbhr; |
496 | ulong ebbrr; | |
497 | ulong bescr; | |
498 | ulong csigr; | |
499 | ulong tacr; | |
500 | ulong tcscr; | |
501 | ulong acop; | |
502 | ulong wort; | |
a2d56020 | 503 | ulong shadow_srr1; |
ca95150b | 504 | #endif |
eab17672 | 505 | u32 vrsave; /* also USPRG0 */ |
bbf45ba5 | 506 | u32 mmucr; |
5fd8505e | 507 | /* shadow_msr is unused for BookE HV */ |
ecee273f | 508 | ulong shadow_msr; |
5cf8ca22 HB |
509 | ulong csrr0; |
510 | ulong csrr1; | |
511 | ulong dsrr0; | |
512 | ulong dsrr1; | |
5ce941ee SW |
513 | ulong mcsrr0; |
514 | ulong mcsrr1; | |
515 | ulong mcsr; | |
bbf45ba5 | 516 | u32 dec; |
21bd000a | 517 | #ifdef CONFIG_BOOKE |
bbf45ba5 | 518 | u32 decar; |
21bd000a | 519 | #endif |
3cd60e31 AK |
520 | /* Time base value when we entered the guest */ |
521 | u64 entry_tb; | |
8f42ab27 | 522 | u64 entry_vtb; |
06da28e7 | 523 | u64 entry_ic; |
bbf45ba5 | 524 | u32 tcr; |
dfd4d47e | 525 | ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ |
bb3a8a17 | 526 | u32 ivor[64]; |
5cf8ca22 | 527 | ulong ivpr; |
ca95150b | 528 | u32 pvr; |
49dd2c49 HB |
529 | |
530 | u32 shadow_pid; | |
dd9ebf1f | 531 | u32 shadow_pid1; |
bbf45ba5 | 532 | u32 pid; |
49dd2c49 HB |
533 | u32 swap_pid; |
534 | ||
bbf45ba5 HB |
535 | u32 ccr0; |
536 | u32 ccr1; | |
f7b200af | 537 | u32 dbsr; |
bbf45ba5 | 538 | |
b005255e | 539 | u64 mmcr[5]; |
9e368f29 | 540 | u32 pmc[8]; |
b005255e | 541 | u32 spmc[2]; |
14941789 PM |
542 | u64 siar; |
543 | u64 sdar; | |
b005255e | 544 | u64 sier; |
7b490411 MN |
545 | #ifdef CONFIG_PPC_TRANSACTIONAL_MEM |
546 | u64 tfhar; | |
547 | u64 texasr; | |
548 | u64 tfiar; | |
549 | ||
550 | u32 cr_tm; | |
551 | u64 lr_tm; | |
552 | u64 ctr_tm; | |
553 | u64 amr_tm; | |
554 | u64 ppr_tm; | |
555 | u64 dscr_tm; | |
556 | u64 tar_tm; | |
557 | ||
558 | ulong gpr_tm[32]; | |
559 | ||
560 | struct thread_fp_state fp_tm; | |
561 | ||
562 | struct thread_vr_state vr_tm; | |
563 | u32 vrsave_tm; /* also USPRG0 */ | |
564 | ||
565 | #endif | |
de56a948 | 566 | |
73e75b41 | 567 | #ifdef CONFIG_KVM_EXIT_TIMING |
09000adb | 568 | struct mutex exit_timing_lock; |
7b701591 HB |
569 | struct kvmppc_exit_timing timing_exit; |
570 | struct kvmppc_exit_timing timing_last_enter; | |
73e75b41 HB |
571 | u32 last_exit_type; |
572 | u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; | |
573 | u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; | |
574 | u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; | |
575 | u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; | |
576 | u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; | |
577 | u64 timing_last_exit; | |
578 | struct dentry *debugfs_exit_timing; | |
579 | #endif | |
580 | ||
de56a948 PM |
581 | #ifdef CONFIG_PPC_BOOK3S |
582 | ulong fault_dar; | |
583 | u32 fault_dsisr; | |
e5ee5422 | 584 | unsigned long intr_msr; |
de56a948 PM |
585 | #endif |
586 | ||
0604675f | 587 | #ifdef CONFIG_BOOKE |
5cf8ca22 HB |
588 | ulong fault_dear; |
589 | ulong fault_esr; | |
daf5e271 LY |
590 | ulong queued_dear; |
591 | ulong queued_esr; | |
f61c94bb BB |
592 | spinlock_t wdt_lock; |
593 | struct timer_list wdt_timer; | |
8fdd21a2 | 594 | u32 tlbcfg[4]; |
307d9008 | 595 | u32 tlbps[4]; |
8fdd21a2 | 596 | u32 mmucfg; |
9a6061d7 | 597 | u32 eptcfg; |
d30f6e48 | 598 | u32 epr; |
99e99d19 | 599 | u64 sprg9; |
debf27d6 | 600 | u32 pwrmgtcr0; |
15b708be | 601 | u32 crit_save; |
ce11e48b | 602 | /* guest debug registers*/ |
547465ef | 603 | struct debug_reg dbg_reg; |
0604675f | 604 | #endif |
bbf45ba5 | 605 | gpa_t paddr_accessed; |
6020c0f6 | 606 | gva_t vaddr_accessed; |
08c9a188 | 607 | pgd_t *pgdir; |
bbf45ba5 HB |
608 | |
609 | u8 io_gpr; /* GPR used as IO source/target */ | |
d078eed3 | 610 | u8 mmio_host_swabbed; |
3587d534 | 611 | u8 mmio_sign_extend; |
ad0a048b AG |
612 | u8 osi_needed; |
613 | u8 osi_enabled; | |
9432ba60 | 614 | u8 papr_enabled; |
f61c94bb | 615 | u8 watchdog_enabled; |
af8f38b3 AG |
616 | u8 sane; |
617 | u8 cpu_type; | |
de56a948 | 618 | u8 hcall_needed; |
5df554ad | 619 | u8 epr_flags; /* KVMPPC_EPR_xxx */ |
1c810636 | 620 | u8 epr_needed; |
bbf45ba5 HB |
621 | |
622 | u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ | |
623 | ||
544c6761 | 624 | struct hrtimer dec_timer; |
ca95150b | 625 | u64 dec_jiffies; |
de56a948 | 626 | u64 dec_expires; |
bbf45ba5 | 627 | unsigned long pending_exceptions; |
a8606e20 PM |
628 | u8 ceded; |
629 | u8 prodded; | |
de56a948 | 630 | u32 last_inst; |
a8606e20 | 631 | |
19ccb76a | 632 | wait_queue_head_t *wqp; |
371fefd6 PM |
633 | struct kvmppc_vcore *vcore; |
634 | int ret; | |
de56a948 | 635 | int trap; |
371fefd6 PM |
636 | int state; |
637 | int ptid; | |
ec257165 | 638 | int thread_cpu; |
19ccb76a | 639 | bool timer_running; |
371fefd6 PM |
640 | wait_queue_head_t cpu_run; |
641 | ||
96bc451a | 642 | struct kvm_vcpu_arch_shared *shared; |
5deb8e7a AG |
643 | #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) |
644 | bool shared_big_endian; | |
645 | #endif | |
beb03f14 AG |
646 | unsigned long magic_page_pa; /* phys addr to map the magic page to */ |
647 | unsigned long magic_page_ea; /* effect. addr to map the magic page to */ | |
f3383cf8 | 648 | bool disable_kernel_nx; |
de56a948 | 649 | |
eb1e4f43 SW |
650 | int irq_type; /* one of KVM_IRQ_* */ |
651 | int irq_cpu_id; | |
652 | struct openpic *mpic; /* KVM_IRQ_MPIC */ | |
bc5ad3f3 BH |
653 | #ifdef CONFIG_KVM_XICS |
654 | struct kvmppc_icp *icp; /* XICS presentation controller */ | |
655 | #endif | |
eb1e4f43 | 656 | |
9975f5e3 | 657 | #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE |
de56a948 | 658 | struct kvm_vcpu_arch_shared shregs; |
371fefd6 | 659 | |
697d3899 PM |
660 | unsigned long pgfault_addr; |
661 | long pgfault_index; | |
662 | unsigned long pgfault_hpte[2]; | |
663 | ||
371fefd6 PM |
664 | struct list_head run_list; |
665 | struct task_struct *run_task; | |
666 | struct kvm_run *kvm_run; | |
2e25aa5f PM |
667 | |
668 | spinlock_t vpa_update_lock; | |
669 | struct kvmppc_vpa vpa; | |
670 | struct kvmppc_vpa dtl; | |
671 | struct dtl_entry *dtl_ptr; | |
672 | unsigned long dtl_index; | |
0456ec4f | 673 | u64 stolen_logged; |
2e25aa5f | 674 | struct kvmppc_vpa slb_shadow; |
c7b67670 PM |
675 | |
676 | spinlock_t tbacct_lock; | |
677 | u64 busy_stolen; | |
678 | u64 busy_preempt; | |
4a157d61 PM |
679 | |
680 | u32 emul_inst; | |
de56a948 | 681 | #endif |
b6c295df PM |
682 | |
683 | #ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING | |
684 | struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ | |
685 | u64 cur_tb_start; /* when it started */ | |
686 | struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ | |
687 | struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ | |
688 | struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ | |
689 | struct kvmhv_tb_accumulator guest_time; /* guest execution */ | |
690 | struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ | |
691 | ||
692 | struct dentry *debugfs_dir; | |
693 | struct dentry *debugfs_timings; | |
694 | #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ | |
bbf45ba5 HB |
695 | }; |
696 | ||
efff1912 PM |
697 | #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] |
698 | ||
19ccb76a | 699 | /* Values for vcpu->arch.state */ |
8455d79e PM |
700 | #define KVMPPC_VCPU_NOTREADY 0 |
701 | #define KVMPPC_VCPU_RUNNABLE 1 | |
c7b67670 | 702 | #define KVMPPC_VCPU_BUSY_IN_HOST 2 |
371fefd6 | 703 | |
b3c5d3c2 AG |
704 | /* Values for vcpu->arch.io_gpr */ |
705 | #define KVM_MMIO_REG_MASK 0x001f | |
706 | #define KVM_MMIO_REG_EXT_MASK 0xffe0 | |
707 | #define KVM_MMIO_REG_GPR 0x0000 | |
708 | #define KVM_MMIO_REG_FPR 0x0020 | |
709 | #define KVM_MMIO_REG_QPR 0x0040 | |
710 | #define KVM_MMIO_REG_FQPR 0x0060 | |
711 | ||
2246f8b5 | 712 | #define __KVM_HAVE_ARCH_WQP |
5df554ad | 713 | #define __KVM_HAVE_CREATE_DEVICE |
b6d33834 | 714 | |
13a34e06 | 715 | static inline void kvm_arch_hardware_disable(void) {} |
0865e636 RK |
716 | static inline void kvm_arch_hardware_unsetup(void) {} |
717 | static inline void kvm_arch_sync_events(struct kvm *kvm) {} | |
15f46015 | 718 | static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {} |
0865e636 RK |
719 | static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} |
720 | static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} | |
721 | static inline void kvm_arch_exit(void) {} | |
3217f7c2 CD |
722 | static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} |
723 | static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} | |
0865e636 | 724 | |
bbf45ba5 | 725 | #endif /* __POWERPC_KVM_HOST_H__ */ |