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20#ifndef __POWERPC_KVM_HOST_H__
21#define __POWERPC_KVM_HOST_H__
22
23#include <linux/mutex.h>
24#include <linux/hrtimer.h>
25#include <linux/interrupt.h>
26#include <linux/types.h>
27#include <linux/kvm_types.h>
28#include <linux/threads.h>
29#include <linux/spinlock.h>
30#include <linux/kvm_para.h>
31#include <linux/list.h>
32#include <linux/atomic.h>
33#include <asm/kvm_asm.h>
34#include <asm/processor.h>
35
36#define KVM_MAX_VCPUS NR_CPUS
37#define KVM_MAX_VCORES NR_CPUS
38#define KVM_MEMORY_SLOTS 32
39
40#define KVM_PRIVATE_MEM_SLOTS 4
41
42#ifdef CONFIG_KVM_MMIO
43#define KVM_COALESCED_MMIO_PAGE_OFFSET 1
44#endif
45
46
47#define KVM_HPAGE_GFN_SHIFT(x) 0
48#define KVM_NR_PAGE_SIZES 1
49#define KVM_PAGES_PER_HPAGE(x) (1UL<<31)
50
51#define HPTEG_CACHE_NUM (1 << 15)
52#define HPTEG_HASH_BITS_PTE 13
53#define HPTEG_HASH_BITS_PTE_LONG 12
54#define HPTEG_HASH_BITS_VPTE 13
55#define HPTEG_HASH_BITS_VPTE_LONG 5
56#define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE)
57#define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG)
58#define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE)
59#define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG)
60
61
62#define KVM_PAM 0x0fffffffffffffffULL
63
64struct kvm;
65struct kvm_run;
66struct kvm_vcpu;
67
68struct lppaca;
69struct slb_shadow;
70struct dtl;
71
72struct kvm_vm_stat {
73 u32 remote_tlb_flush;
74};
75
76struct kvm_vcpu_stat {
77 u32 sum_exits;
78 u32 mmio_exits;
79 u32 dcr_exits;
80 u32 signal_exits;
81 u32 light_exits;
82
83 u32 itlb_real_miss_exits;
84 u32 itlb_virt_miss_exits;
85 u32 dtlb_real_miss_exits;
86 u32 dtlb_virt_miss_exits;
87 u32 syscall_exits;
88 u32 isi_exits;
89 u32 dsi_exits;
90 u32 emulated_inst_exits;
91 u32 dec_exits;
92 u32 ext_intr_exits;
93 u32 halt_wakeup;
94#ifdef CONFIG_PPC_BOOK3S
95 u32 pf_storage;
96 u32 pf_instruc;
97 u32 sp_storage;
98 u32 sp_instruc;
99 u32 queue_intr;
100 u32 ld;
101 u32 ld_slow;
102 u32 st;
103 u32 st_slow;
104#endif
105};
106
107enum kvm_exit_types {
108 MMIO_EXITS,
109 DCR_EXITS,
110 SIGNAL_EXITS,
111 ITLB_REAL_MISS_EXITS,
112 ITLB_VIRT_MISS_EXITS,
113 DTLB_REAL_MISS_EXITS,
114 DTLB_VIRT_MISS_EXITS,
115 SYSCALL_EXITS,
116 ISI_EXITS,
117 DSI_EXITS,
118 EMULATED_INST_EXITS,
119 EMULATED_MTMSRWE_EXITS,
120 EMULATED_WRTEE_EXITS,
121 EMULATED_MTSPR_EXITS,
122 EMULATED_MFSPR_EXITS,
123 EMULATED_MTMSR_EXITS,
124 EMULATED_MFMSR_EXITS,
125 EMULATED_TLBSX_EXITS,
126 EMULATED_TLBWE_EXITS,
127 EMULATED_RFI_EXITS,
128 DEC_EXITS,
129 EXT_INTR_EXITS,
130 HALT_WAKEUP,
131 USR_PR_INST,
132 FP_UNAVAIL,
133 DEBUG_EXITS,
134 TIMEINGUEST,
135 __NUMBER_OF_KVM_EXIT_TYPES
136};
137
138
139struct kvmppc_exit_timing {
140 union {
141 u64 tv64;
142 struct {
143 u32 tbu, tbl;
144 } tv32;
145 };
146};
147
148struct kvmppc_pginfo {
149 unsigned long pfn;
150 atomic_t refcnt;
151};
152
153struct kvmppc_spapr_tce_table {
154 struct list_head list;
155 struct kvm *kvm;
156 u64 liobn;
157 u32 window_size;
158 struct page *pages[0];
159};
160
161struct kvmppc_rma_info {
162 void *base_virt;
163 unsigned long base_pfn;
164 unsigned long npages;
165 struct list_head list;
166 atomic_t use_count;
167};
168
169struct kvm_arch {
170#ifdef CONFIG_KVM_BOOK3S_64_HV
171 unsigned long hpt_virt;
172 unsigned long ram_npages;
173 unsigned long ram_psize;
174 unsigned long ram_porder;
175 struct kvmppc_pginfo *ram_pginfo;
176 unsigned int lpid;
177 unsigned int host_lpid;
178 unsigned long host_lpcr;
179 unsigned long sdr1;
180 unsigned long host_sdr1;
181 int tlbie_lock;
182 int n_rma_pages;
183 unsigned long lpcr;
184 unsigned long rmor;
185 struct kvmppc_rma_info *rma;
186 struct list_head spapr_tce_tables;
187 unsigned short last_vcpu[NR_CPUS];
188 struct kvmppc_vcore *vcores[KVM_MAX_VCORES];
189#endif
190};
191
192
193
194
195
196
197
198
199struct kvmppc_vcore {
200 int n_runnable;
201 int n_blocked;
202 int num_threads;
203 int entry_exit_count;
204 int n_woken;
205 int nap_count;
206 u16 pcpu;
207 u8 vcore_running;
208 u8 in_guest;
209 struct list_head runnable_threads;
210 spinlock_t lock;
211};
212
213#define VCORE_ENTRY_COUNT(vc) ((vc)->entry_exit_count & 0xff)
214#define VCORE_EXIT_COUNT(vc) ((vc)->entry_exit_count >> 8)
215
216struct kvmppc_pte {
217 ulong eaddr;
218 u64 vpage;
219 ulong raddr;
220 bool may_read : 1;
221 bool may_write : 1;
222 bool may_execute : 1;
223};
224
225struct kvmppc_mmu {
226
227 void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs);
228 u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr);
229 u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr);
230 void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr);
231 void (*slbia)(struct kvm_vcpu *vcpu);
232
233 void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value);
234 u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum);
235 int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, struct kvmppc_pte *pte, bool data);
236 void (*reset_msr)(struct kvm_vcpu *vcpu);
237 void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large);
238 int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid);
239 u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data);
240 bool (*is_dcbz32)(struct kvm_vcpu *vcpu);
241};
242
243struct kvmppc_slb {
244 u64 esid;
245 u64 vsid;
246 u64 orige;
247 u64 origv;
248 bool valid : 1;
249 bool Ks : 1;
250 bool Kp : 1;
251 bool nx : 1;
252 bool large : 1;
253 bool tb : 1;
254 bool class : 1;
255};
256
257struct kvm_vcpu_arch {
258 ulong host_stack;
259 u32 host_pid;
260#ifdef CONFIG_PPC_BOOK3S
261 ulong host_msr;
262 ulong host_r2;
263 void *host_retip;
264 ulong trampoline_lowmem;
265 ulong trampoline_enter;
266 ulong highmem_handler;
267 ulong rmcall;
268 ulong host_paca_phys;
269 struct kvmppc_slb slb[64];
270 int slb_max;
271 int slb_nr;
272 struct kvmppc_mmu mmu;
273#endif
274
275 ulong gpr[32];
276
277 u64 fpr[32];
278 u64 fpscr;
279
280#ifdef CONFIG_SPE
281 ulong evr[32];
282 ulong spefscr;
283 ulong host_spefscr;
284 u64 acc;
285#endif
286#ifdef CONFIG_ALTIVEC
287 vector128 vr[32];
288 vector128 vscr;
289#endif
290
291#ifdef CONFIG_VSX
292 u64 vsr[64];
293#endif
294
295#ifdef CONFIG_PPC_BOOK3S
296
297 u32 qpr[32];
298#endif
299
300 ulong pc;
301 ulong ctr;
302 ulong lr;
303
304 ulong xer;
305 u32 cr;
306
307#ifdef CONFIG_PPC_BOOK3S
308 ulong hflags;
309 ulong guest_owned_ext;
310 ulong purr;
311 ulong spurr;
312 ulong dscr;
313 ulong amr;
314 ulong uamor;
315 u32 ctrl;
316 ulong dabr;
317#endif
318 u32 vrsave;
319 u32 mmucr;
320 ulong shadow_msr;
321 ulong sprg4;
322 ulong sprg5;
323 ulong sprg6;
324 ulong sprg7;
325 ulong csrr0;
326 ulong csrr1;
327 ulong dsrr0;
328 ulong dsrr1;
329 ulong mcsrr0;
330 ulong mcsrr1;
331 ulong mcsr;
332 ulong esr;
333 u32 dec;
334 u32 decar;
335 u32 tbl;
336 u32 tbu;
337 u32 tcr;
338 u32 tsr;
339 u32 ivor[64];
340 ulong ivpr;
341 u32 pir;
342 u32 pvr;
343
344 u32 shadow_pid;
345 u32 shadow_pid1;
346 u32 pid;
347 u32 swap_pid;
348
349 u32 ccr0;
350 u32 ccr1;
351 u32 dbcr0;
352 u32 dbcr1;
353 u32 dbsr;
354
355 u64 mmcr[3];
356 u32 pmc[8];
357
358#ifdef CONFIG_KVM_EXIT_TIMING
359 struct mutex exit_timing_lock;
360 struct kvmppc_exit_timing timing_exit;
361 struct kvmppc_exit_timing timing_last_enter;
362 u32 last_exit_type;
363 u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES];
364 u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES];
365 u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES];
366 u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES];
367 u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES];
368 u64 timing_last_exit;
369 struct dentry *debugfs_exit_timing;
370#endif
371
372#ifdef CONFIG_PPC_BOOK3S
373 ulong fault_dar;
374 u32 fault_dsisr;
375#endif
376
377#ifdef CONFIG_BOOKE
378 ulong fault_dear;
379 ulong fault_esr;
380 ulong queued_dear;
381 ulong queued_esr;
382#endif
383 gpa_t paddr_accessed;
384
385 u8 io_gpr;
386 u8 mmio_is_bigendian;
387 u8 mmio_sign_extend;
388 u8 dcr_needed;
389 u8 dcr_is_write;
390 u8 osi_needed;
391 u8 osi_enabled;
392 u8 hcall_needed;
393
394 u32 cpr0_cfgaddr;
395
396 struct hrtimer dec_timer;
397 struct tasklet_struct tasklet;
398 u64 dec_jiffies;
399 u64 dec_expires;
400 unsigned long pending_exceptions;
401 u16 last_cpu;
402 u8 ceded;
403 u8 prodded;
404 u32 last_inst;
405
406 struct lppaca *vpa;
407 struct slb_shadow *slb_shadow;
408 struct dtl *dtl;
409 struct dtl *dtl_end;
410
411 struct kvmppc_vcore *vcore;
412 int ret;
413 int trap;
414 int state;
415 int ptid;
416 wait_queue_head_t cpu_run;
417
418 struct kvm_vcpu_arch_shared *shared;
419 unsigned long magic_page_pa;
420 unsigned long magic_page_ea;
421
422#ifdef CONFIG_KVM_BOOK3S_64_HV
423 struct kvm_vcpu_arch_shared shregs;
424
425 struct list_head run_list;
426 struct task_struct *run_task;
427 struct kvm_run *kvm_run;
428#endif
429};
430
431#define KVMPPC_VCPU_BUSY_IN_HOST 0
432#define KVMPPC_VCPU_BLOCKED 1
433#define KVMPPC_VCPU_RUNNABLE 2
434
435#endif
436
