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1a9c1ac4 XZ |
1 | /* |
2 | * kvm_host.h: used for kvm module, and hold ia64-specific sections. | |
3 | * | |
4 | * Copyright (C) 2007, Intel Corporation. | |
5 | * | |
6 | * Xiantao Zhang <xiantao.zhang@intel.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms and conditions of the GNU General Public License, | |
10 | * version 2, as published by the Free Software Foundation. | |
11 | * | |
12 | * This program is distributed in the hope it will be useful, but WITHOUT | |
13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
15 | * more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License along with | |
18 | * this program; if not, write to the Free Software Foundation, Inc., 59 Temple | |
19 | * Place - Suite 330, Boston, MA 02111-1307 USA. | |
20 | * | |
21 | */ | |
22 | ||
23 | #ifndef __ASM_KVM_HOST_H | |
24 | #define __ASM_KVM_HOST_H | |
25 | ||
1a9c1ac4 XZ |
26 | #define KVM_MEMORY_SLOTS 32 |
27 | /* memory slots that does not exposed to userspace */ | |
28 | #define KVM_PRIVATE_MEM_SLOTS 4 | |
29 | ||
7f39f8ac | 30 | #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 |
1a9c1ac4 XZ |
31 | |
32 | /* define exit reasons from vmm to kvm*/ | |
33 | #define EXIT_REASON_VM_PANIC 0 | |
34 | #define EXIT_REASON_MMIO_INSTRUCTION 1 | |
35 | #define EXIT_REASON_PAL_CALL 2 | |
36 | #define EXIT_REASON_SAL_CALL 3 | |
37 | #define EXIT_REASON_SWITCH_RR6 4 | |
38 | #define EXIT_REASON_VM_DESTROY 5 | |
39 | #define EXIT_REASON_EXTERNAL_INTERRUPT 6 | |
40 | #define EXIT_REASON_IPI 7 | |
41 | #define EXIT_REASON_PTC_G 8 | |
7d637978 | 42 | #define EXIT_REASON_DEBUG 20 |
1a9c1ac4 XZ |
43 | |
44 | /*Define vmm address space and vm data space.*/ | |
a917f7af | 45 | #define KVM_VMM_SIZE (__IA64_UL_CONST(16)<<20) |
1a9c1ac4 | 46 | #define KVM_VMM_SHIFT 24 |
a917f7af XZ |
47 | #define KVM_VMM_BASE 0xD000000000000000 |
48 | #define VMM_SIZE (__IA64_UL_CONST(8)<<20) | |
1a9c1ac4 XZ |
49 | |
50 | /* | |
51 | * Define vm_buffer, used by PAL Services, base address. | |
a917f7af | 52 | * Note: vm_buffer is in the VMM-BLOCK, the size must be < 8M |
1a9c1ac4 XZ |
53 | */ |
54 | #define KVM_VM_BUFFER_BASE (KVM_VMM_BASE + VMM_SIZE) | |
a917f7af XZ |
55 | #define KVM_VM_BUFFER_SIZE (__IA64_UL_CONST(8)<<20) |
56 | ||
57 | /* | |
58 | * kvm guest's data area looks as follow: | |
59 | * | |
60 | * +----------------------+ ------- KVM_VM_DATA_SIZE | |
61 | * | vcpu[n]'s data | | ___________________KVM_STK_OFFSET | |
62 | * | | | / | | |
63 | * | .......... | | /vcpu's struct&stack | | |
64 | * | .......... | | /---------------------|---- 0 | |
65 | * | vcpu[5]'s data | | / vpd | | |
66 | * | vcpu[4]'s data | |/-----------------------| | |
67 | * | vcpu[3]'s data | / vtlb | | |
68 | * | vcpu[2]'s data | /|------------------------| | |
69 | * | vcpu[1]'s data |/ | vhpt | | |
70 | * | vcpu[0]'s data |____________________________| | |
71 | * +----------------------+ | | |
72 | * | memory dirty log | | | |
73 | * +----------------------+ | | |
74 | * | vm's data struct | | | |
75 | * +----------------------+ | | |
76 | * | | | | |
77 | * | | | | |
78 | * | | | | |
79 | * | | | | |
80 | * | | | | |
81 | * | | | | |
82 | * | | | | |
83 | * | vm's p2m table | | | |
84 | * | | | | |
85 | * | | | | |
86 | * | | | | | |
87 | * vm's data->| | | | | |
88 | * +----------------------+ ------- 0 | |
89 | * To support large memory, needs to increase the size of p2m. | |
90 | * To support more vcpus, needs to ensure it has enough space to | |
91 | * hold vcpus' data. | |
92 | */ | |
93 | ||
94 | #define KVM_VM_DATA_SHIFT 26 | |
95 | #define KVM_VM_DATA_SIZE (__IA64_UL_CONST(1) << KVM_VM_DATA_SHIFT) | |
96 | #define KVM_VM_DATA_BASE (KVM_VMM_BASE + KVM_VM_DATA_SIZE) | |
97 | ||
98 | #define KVM_P2M_BASE KVM_VM_DATA_BASE | |
99 | #define KVM_P2M_SIZE (__IA64_UL_CONST(24) << 20) | |
100 | ||
101 | #define VHPT_SHIFT 16 | |
102 | #define VHPT_SIZE (__IA64_UL_CONST(1) << VHPT_SHIFT) | |
103 | #define VHPT_NUM_ENTRIES (__IA64_UL_CONST(1) << (VHPT_SHIFT-5)) | |
104 | ||
105 | #define VTLB_SHIFT 16 | |
106 | #define VTLB_SIZE (__IA64_UL_CONST(1) << VTLB_SHIFT) | |
107 | #define VTLB_NUM_ENTRIES (1UL << (VHPT_SHIFT-5)) | |
108 | ||
109 | #define VPD_SHIFT 16 | |
110 | #define VPD_SIZE (__IA64_UL_CONST(1) << VPD_SHIFT) | |
111 | ||
112 | #define VCPU_STRUCT_SHIFT 16 | |
113 | #define VCPU_STRUCT_SIZE (__IA64_UL_CONST(1) << VCPU_STRUCT_SHIFT) | |
114 | ||
115 | #define KVM_STK_OFFSET VCPU_STRUCT_SIZE | |
116 | ||
117 | #define KVM_VM_STRUCT_SHIFT 19 | |
118 | #define KVM_VM_STRUCT_SIZE (__IA64_UL_CONST(1) << KVM_VM_STRUCT_SHIFT) | |
119 | ||
120 | #define KVM_MEM_DIRY_LOG_SHIFT 19 | |
121 | #define KVM_MEM_DIRTY_LOG_SIZE (__IA64_UL_CONST(1) << KVM_MEM_DIRY_LOG_SHIFT) | |
122 | ||
123 | #ifndef __ASSEMBLY__ | |
124 | ||
125 | /*Define the max vcpus and memory for Guests.*/ | |
126 | #define KVM_MAX_VCPUS (KVM_VM_DATA_SIZE - KVM_P2M_SIZE - KVM_VM_STRUCT_SIZE -\ | |
127 | KVM_MEM_DIRTY_LOG_SIZE) / sizeof(struct kvm_vcpu_data) | |
128 | #define KVM_MAX_MEM_SIZE (KVM_P2M_SIZE >> 3 << PAGE_SHIFT) | |
129 | ||
7d637978 XZ |
130 | #define VMM_LOG_LEN 256 |
131 | ||
a917f7af XZ |
132 | #include <linux/types.h> |
133 | #include <linux/mm.h> | |
134 | #include <linux/kvm.h> | |
135 | #include <linux/kvm_para.h> | |
136 | #include <linux/kvm_types.h> | |
137 | ||
138 | #include <asm/pal.h> | |
139 | #include <asm/sal.h> | |
140 | #include <asm/page.h> | |
141 | ||
142 | struct kvm_vcpu_data { | |
143 | char vcpu_vhpt[VHPT_SIZE]; | |
144 | char vcpu_vtlb[VTLB_SIZE]; | |
145 | char vcpu_vpd[VPD_SIZE]; | |
146 | char vcpu_struct[VCPU_STRUCT_SIZE]; | |
147 | }; | |
148 | ||
149 | struct kvm_vm_data { | |
150 | char kvm_p2m[KVM_P2M_SIZE]; | |
151 | char kvm_vm_struct[KVM_VM_STRUCT_SIZE]; | |
152 | char kvm_mem_dirty_log[KVM_MEM_DIRTY_LOG_SIZE]; | |
153 | struct kvm_vcpu_data vcpu_data[KVM_MAX_VCPUS]; | |
154 | }; | |
155 | ||
156 | #define VCPU_BASE(n) KVM_VM_DATA_BASE + \ | |
157 | offsetof(struct kvm_vm_data, vcpu_data[n]) | |
158 | #define VM_BASE KVM_VM_DATA_BASE + \ | |
159 | offsetof(struct kvm_vm_data, kvm_vm_struct) | |
160 | #define KVM_MEM_DIRTY_LOG_BASE KVM_VM_DATA_BASE + \ | |
161 | offsetof(struct kvm_vm_data, kvm_mem_dirty_log) | |
162 | ||
163 | #define VHPT_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vhpt)) | |
164 | #define VTLB_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vtlb)) | |
165 | #define VPD_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vpd)) | |
166 | #define VCPU_STRUCT_BASE(n) (VCPU_BASE(n) + \ | |
167 | offsetof(struct kvm_vcpu_data, vcpu_struct)) | |
1a9c1ac4 XZ |
168 | |
169 | /*IO section definitions*/ | |
170 | #define IOREQ_READ 1 | |
171 | #define IOREQ_WRITE 0 | |
172 | ||
173 | #define STATE_IOREQ_NONE 0 | |
174 | #define STATE_IOREQ_READY 1 | |
175 | #define STATE_IOREQ_INPROCESS 2 | |
176 | #define STATE_IORESP_READY 3 | |
177 | ||
178 | /*Guest Physical address layout.*/ | |
179 | #define GPFN_MEM (0UL << 60) /* Guest pfn is normal mem */ | |
180 | #define GPFN_FRAME_BUFFER (1UL << 60) /* VGA framebuffer */ | |
181 | #define GPFN_LOW_MMIO (2UL << 60) /* Low MMIO range */ | |
182 | #define GPFN_PIB (3UL << 60) /* PIB base */ | |
183 | #define GPFN_IOSAPIC (4UL << 60) /* IOSAPIC base */ | |
184 | #define GPFN_LEGACY_IO (5UL << 60) /* Legacy I/O base */ | |
185 | #define GPFN_GFW (6UL << 60) /* Guest Firmware */ | |
b010eb51 | 186 | #define GPFN_PHYS_MMIO (7UL << 60) /* Directed MMIO Range */ |
1a9c1ac4 XZ |
187 | |
188 | #define GPFN_IO_MASK (7UL << 60) /* Guest pfn is I/O type */ | |
189 | #define GPFN_INV_MASK (1UL << 63) /* Guest pfn is invalid */ | |
190 | #define INVALID_MFN (~0UL) | |
191 | #define MEM_G (1UL << 30) | |
192 | #define MEM_M (1UL << 20) | |
193 | #define MMIO_START (3 * MEM_G) | |
194 | #define MMIO_SIZE (512 * MEM_M) | |
195 | #define VGA_IO_START 0xA0000UL | |
196 | #define VGA_IO_SIZE 0x20000 | |
197 | #define LEGACY_IO_START (MMIO_START + MMIO_SIZE) | |
198 | #define LEGACY_IO_SIZE (64 * MEM_M) | |
199 | #define IO_SAPIC_START 0xfec00000UL | |
200 | #define IO_SAPIC_SIZE 0x100000 | |
201 | #define PIB_START 0xfee00000UL | |
202 | #define PIB_SIZE 0x200000 | |
203 | #define GFW_START (4 * MEM_G - 16 * MEM_M) | |
204 | #define GFW_SIZE (16 * MEM_M) | |
205 | ||
206 | /*Deliver mode, defined for ioapic.c*/ | |
207 | #define dest_Fixed IOSAPIC_FIXED | |
208 | #define dest_LowestPrio IOSAPIC_LOWEST_PRIORITY | |
209 | ||
210 | #define NMI_VECTOR 2 | |
211 | #define ExtINT_VECTOR 0 | |
212 | #define NULL_VECTOR (-1) | |
213 | #define IA64_SPURIOUS_INT_VECTOR 0x0f | |
214 | ||
215 | #define VCPU_LID(v) (((u64)(v)->vcpu_id) << 24) | |
216 | ||
217 | /* | |
218 | *Delivery mode | |
219 | */ | |
220 | #define SAPIC_DELIV_SHIFT 8 | |
221 | #define SAPIC_FIXED 0x0 | |
222 | #define SAPIC_LOWEST_PRIORITY 0x1 | |
223 | #define SAPIC_PMI 0x2 | |
224 | #define SAPIC_NMI 0x4 | |
225 | #define SAPIC_INIT 0x5 | |
226 | #define SAPIC_EXTINT 0x7 | |
227 | ||
228 | /* | |
229 | * vcpu->requests bit members for arch | |
230 | */ | |
231 | #define KVM_REQ_PTC_G 32 | |
232 | #define KVM_REQ_RESUME 33 | |
233 | ||
234 | #define KVM_PAGES_PER_HPAGE 1 | |
235 | ||
236 | struct kvm; | |
237 | struct kvm_vcpu; | |
238 | struct kvm_guest_debug{ | |
239 | }; | |
240 | ||
241 | struct kvm_mmio_req { | |
242 | uint64_t addr; /* physical address */ | |
243 | uint64_t size; /* size in bytes */ | |
244 | uint64_t data; /* data (or paddr of data) */ | |
245 | uint8_t state:4; | |
246 | uint8_t dir:1; /* 1=read, 0=write */ | |
247 | }; | |
248 | ||
249 | /*Pal data struct */ | |
250 | struct kvm_pal_call{ | |
251 | /*In area*/ | |
252 | uint64_t gr28; | |
253 | uint64_t gr29; | |
254 | uint64_t gr30; | |
255 | uint64_t gr31; | |
256 | /*Out area*/ | |
257 | struct ia64_pal_retval ret; | |
258 | }; | |
259 | ||
260 | /* Sal data structure */ | |
261 | struct kvm_sal_call{ | |
262 | /*In area*/ | |
263 | uint64_t in0; | |
264 | uint64_t in1; | |
265 | uint64_t in2; | |
266 | uint64_t in3; | |
267 | uint64_t in4; | |
268 | uint64_t in5; | |
269 | uint64_t in6; | |
270 | uint64_t in7; | |
271 | struct sal_ret_values ret; | |
272 | }; | |
273 | ||
274 | /*Guest change rr6*/ | |
275 | struct kvm_switch_rr6 { | |
276 | uint64_t old_rr; | |
277 | uint64_t new_rr; | |
278 | }; | |
279 | ||
280 | union ia64_ipi_a{ | |
281 | unsigned long val; | |
282 | struct { | |
283 | unsigned long rv : 3; | |
284 | unsigned long ir : 1; | |
285 | unsigned long eid : 8; | |
286 | unsigned long id : 8; | |
287 | unsigned long ib_base : 44; | |
288 | }; | |
289 | }; | |
290 | ||
291 | union ia64_ipi_d { | |
292 | unsigned long val; | |
293 | struct { | |
294 | unsigned long vector : 8; | |
295 | unsigned long dm : 3; | |
296 | unsigned long ig : 53; | |
297 | }; | |
298 | }; | |
299 | ||
300 | /*ipi check exit data*/ | |
301 | struct kvm_ipi_data{ | |
302 | union ia64_ipi_a addr; | |
303 | union ia64_ipi_d data; | |
304 | }; | |
305 | ||
306 | /*global purge data*/ | |
307 | struct kvm_ptc_g { | |
308 | unsigned long vaddr; | |
309 | unsigned long rr; | |
310 | unsigned long ps; | |
311 | struct kvm_vcpu *vcpu; | |
312 | }; | |
313 | ||
314 | /*Exit control data */ | |
315 | struct exit_ctl_data{ | |
316 | uint32_t exit_reason; | |
317 | uint32_t vm_status; | |
318 | union { | |
319 | struct kvm_mmio_req ioreq; | |
320 | struct kvm_pal_call pal_data; | |
321 | struct kvm_sal_call sal_data; | |
322 | struct kvm_switch_rr6 rr_data; | |
323 | struct kvm_ipi_data ipi_data; | |
324 | struct kvm_ptc_g ptc_g_data; | |
325 | } u; | |
326 | }; | |
327 | ||
328 | union pte_flags { | |
329 | unsigned long val; | |
330 | struct { | |
331 | unsigned long p : 1; /*0 */ | |
332 | unsigned long : 1; /* 1 */ | |
333 | unsigned long ma : 3; /* 2-4 */ | |
334 | unsigned long a : 1; /* 5 */ | |
335 | unsigned long d : 1; /* 6 */ | |
336 | unsigned long pl : 2; /* 7-8 */ | |
337 | unsigned long ar : 3; /* 9-11 */ | |
338 | unsigned long ppn : 38; /* 12-49 */ | |
339 | unsigned long : 2; /* 50-51 */ | |
340 | unsigned long ed : 1; /* 52 */ | |
341 | }; | |
342 | }; | |
343 | ||
344 | union ia64_pta { | |
345 | unsigned long val; | |
346 | struct { | |
347 | unsigned long ve : 1; | |
348 | unsigned long reserved0 : 1; | |
349 | unsigned long size : 6; | |
350 | unsigned long vf : 1; | |
351 | unsigned long reserved1 : 6; | |
352 | unsigned long base : 49; | |
353 | }; | |
354 | }; | |
355 | ||
356 | struct thash_cb { | |
357 | /* THASH base information */ | |
358 | struct thash_data *hash; /* hash table pointer */ | |
359 | union ia64_pta pta; | |
360 | int num; | |
361 | }; | |
362 | ||
363 | struct kvm_vcpu_stat { | |
364 | }; | |
365 | ||
366 | struct kvm_vcpu_arch { | |
367 | int launched; | |
368 | int last_exit; | |
369 | int last_run_cpu; | |
370 | int vmm_tr_slot; | |
371 | int vm_tr_slot; | |
372 | ||
a4535290 AK |
373 | #define KVM_MP_STATE_RUNNABLE 0 |
374 | #define KVM_MP_STATE_UNINITIALIZED 1 | |
375 | #define KVM_MP_STATE_INIT_RECEIVED 2 | |
376 | #define KVM_MP_STATE_HALTED 3 | |
1a9c1ac4 XZ |
377 | int mp_state; |
378 | ||
379 | #define MAX_PTC_G_NUM 3 | |
380 | int ptc_g_count; | |
381 | struct kvm_ptc_g ptc_g_data[MAX_PTC_G_NUM]; | |
382 | ||
383 | /*halt timer to wake up sleepy vcpus*/ | |
384 | struct hrtimer hlt_timer; | |
385 | long ht_active; | |
386 | ||
387 | struct kvm_lapic *apic; /* kernel irqchip context */ | |
388 | struct vpd *vpd; | |
389 | ||
390 | /* Exit data for vmm_transition*/ | |
391 | struct exit_ctl_data exit_data; | |
392 | ||
393 | cpumask_t cache_coherent_map; | |
394 | ||
395 | unsigned long vmm_rr; | |
396 | unsigned long host_rr6; | |
397 | unsigned long psbits[8]; | |
398 | unsigned long cr_iipa; | |
399 | unsigned long cr_isr; | |
400 | unsigned long vsa_base; | |
401 | unsigned long dirty_log_lock_pa; | |
402 | unsigned long __gp; | |
403 | /* TR and TC. */ | |
404 | struct thash_data itrs[NITRS]; | |
405 | struct thash_data dtrs[NDTRS]; | |
406 | /* Bit is set if there is a tr/tc for the region. */ | |
407 | unsigned char itr_regions; | |
408 | unsigned char dtr_regions; | |
409 | unsigned char tc_regions; | |
410 | /* purge all */ | |
411 | unsigned long ptce_base; | |
412 | unsigned long ptce_count[2]; | |
413 | unsigned long ptce_stride[2]; | |
414 | /* itc/itm */ | |
415 | unsigned long last_itc; | |
416 | long itc_offset; | |
417 | unsigned long itc_check; | |
418 | unsigned long timer_check; | |
decc9016 XZ |
419 | unsigned int timer_pending; |
420 | unsigned int timer_fired; | |
1a9c1ac4 XZ |
421 | |
422 | unsigned long vrr[8]; | |
423 | unsigned long ibr[8]; | |
424 | unsigned long dbr[8]; | |
425 | unsigned long insvc[4]; /* Interrupt in service. */ | |
426 | unsigned long xtp; | |
427 | ||
428 | unsigned long metaphysical_rr0; /* from kvm_arch (so is pinned) */ | |
429 | unsigned long metaphysical_rr4; /* from kvm_arch (so is pinned) */ | |
430 | unsigned long metaphysical_saved_rr0; /* from kvm_arch */ | |
431 | unsigned long metaphysical_saved_rr4; /* from kvm_arch */ | |
432 | unsigned long fp_psr; /*used for lazy float register */ | |
433 | unsigned long saved_gp; | |
434 | /*for phycial emulation */ | |
435 | int mode_flags; | |
436 | struct thash_cb vtlb; | |
437 | struct thash_cb vhpt; | |
438 | char irq_check; | |
439 | char irq_new_pending; | |
440 | ||
441 | unsigned long opcode; | |
442 | unsigned long cause; | |
7d637978 | 443 | char log_buf[VMM_LOG_LEN]; |
1a9c1ac4 XZ |
444 | union context host; |
445 | union context guest; | |
446 | }; | |
447 | ||
448 | struct kvm_vm_stat { | |
449 | u64 remote_tlb_flush; | |
450 | }; | |
451 | ||
452 | struct kvm_sal_data { | |
453 | unsigned long boot_ip; | |
454 | unsigned long boot_gp; | |
455 | }; | |
456 | ||
457 | struct kvm_arch { | |
a917f7af XZ |
458 | spinlock_t dirty_log_lock; |
459 | ||
1a9c1ac4 XZ |
460 | unsigned long vm_base; |
461 | unsigned long metaphysical_rr0; | |
462 | unsigned long metaphysical_rr4; | |
463 | unsigned long vmm_init_rr; | |
a917f7af | 464 | |
1a9c1ac4 XZ |
465 | struct kvm_ioapic *vioapic; |
466 | struct kvm_vm_stat stat; | |
467 | struct kvm_sal_data rdv_sal_data; | |
3de42dc0 XZ |
468 | |
469 | struct list_head assigned_dev_head; | |
19de40a8 | 470 | struct iommu_domain *iommu_domain; |
3de42dc0 | 471 | struct hlist_head irq_ack_notifier_list; |
5550af4d SY |
472 | |
473 | unsigned long irq_sources_bitmap; | |
474 | unsigned long irq_states[KVM_IOAPIC_NUM_PINS]; | |
1a9c1ac4 XZ |
475 | }; |
476 | ||
477 | union cpuid3_t { | |
478 | u64 value; | |
479 | struct { | |
480 | u64 number : 8; | |
481 | u64 revision : 8; | |
482 | u64 model : 8; | |
483 | u64 family : 8; | |
484 | u64 archrev : 8; | |
485 | u64 rv : 24; | |
486 | }; | |
487 | }; | |
488 | ||
489 | struct kvm_pt_regs { | |
490 | /* The following registers are saved by SAVE_MIN: */ | |
491 | unsigned long b6; /* scratch */ | |
492 | unsigned long b7; /* scratch */ | |
493 | ||
494 | unsigned long ar_csd; /* used by cmp8xchg16 (scratch) */ | |
495 | unsigned long ar_ssd; /* reserved for future use (scratch) */ | |
496 | ||
497 | unsigned long r8; /* scratch (return value register 0) */ | |
498 | unsigned long r9; /* scratch (return value register 1) */ | |
499 | unsigned long r10; /* scratch (return value register 2) */ | |
500 | unsigned long r11; /* scratch (return value register 3) */ | |
501 | ||
502 | unsigned long cr_ipsr; /* interrupted task's psr */ | |
503 | unsigned long cr_iip; /* interrupted task's instruction pointer */ | |
504 | unsigned long cr_ifs; /* interrupted task's function state */ | |
505 | ||
506 | unsigned long ar_unat; /* interrupted task's NaT register (preserved) */ | |
507 | unsigned long ar_pfs; /* prev function state */ | |
508 | unsigned long ar_rsc; /* RSE configuration */ | |
509 | /* The following two are valid only if cr_ipsr.cpl > 0: */ | |
510 | unsigned long ar_rnat; /* RSE NaT */ | |
511 | unsigned long ar_bspstore; /* RSE bspstore */ | |
512 | ||
513 | unsigned long pr; /* 64 predicate registers (1 bit each) */ | |
514 | unsigned long b0; /* return pointer (bp) */ | |
515 | unsigned long loadrs; /* size of dirty partition << 16 */ | |
516 | ||
517 | unsigned long r1; /* the gp pointer */ | |
518 | unsigned long r12; /* interrupted task's memory stack pointer */ | |
519 | unsigned long r13; /* thread pointer */ | |
520 | ||
521 | unsigned long ar_fpsr; /* floating point status (preserved) */ | |
522 | unsigned long r15; /* scratch */ | |
523 | ||
524 | /* The remaining registers are NOT saved for system calls. */ | |
525 | unsigned long r14; /* scratch */ | |
526 | unsigned long r2; /* scratch */ | |
527 | unsigned long r3; /* scratch */ | |
528 | unsigned long r16; /* scratch */ | |
529 | unsigned long r17; /* scratch */ | |
530 | unsigned long r18; /* scratch */ | |
531 | unsigned long r19; /* scratch */ | |
532 | unsigned long r20; /* scratch */ | |
533 | unsigned long r21; /* scratch */ | |
534 | unsigned long r22; /* scratch */ | |
535 | unsigned long r23; /* scratch */ | |
536 | unsigned long r24; /* scratch */ | |
537 | unsigned long r25; /* scratch */ | |
538 | unsigned long r26; /* scratch */ | |
539 | unsigned long r27; /* scratch */ | |
540 | unsigned long r28; /* scratch */ | |
541 | unsigned long r29; /* scratch */ | |
542 | unsigned long r30; /* scratch */ | |
543 | unsigned long r31; /* scratch */ | |
544 | unsigned long ar_ccv; /* compare/exchange value (scratch) */ | |
545 | ||
546 | /* | |
547 | * Floating point registers that the kernel considers scratch: | |
548 | */ | |
549 | struct ia64_fpreg f6; /* scratch */ | |
550 | struct ia64_fpreg f7; /* scratch */ | |
551 | struct ia64_fpreg f8; /* scratch */ | |
552 | struct ia64_fpreg f9; /* scratch */ | |
553 | struct ia64_fpreg f10; /* scratch */ | |
554 | struct ia64_fpreg f11; /* scratch */ | |
555 | ||
556 | unsigned long r4; /* preserved */ | |
557 | unsigned long r5; /* preserved */ | |
558 | unsigned long r6; /* preserved */ | |
559 | unsigned long r7; /* preserved */ | |
560 | unsigned long eml_unat; /* used for emulating instruction */ | |
561 | unsigned long pad0; /* alignment pad */ | |
562 | }; | |
563 | ||
564 | static inline struct kvm_pt_regs *vcpu_regs(struct kvm_vcpu *v) | |
565 | { | |
a917f7af | 566 | return (struct kvm_pt_regs *) ((unsigned long) v + KVM_STK_OFFSET) - 1; |
1a9c1ac4 XZ |
567 | } |
568 | ||
569 | typedef int kvm_vmm_entry(void); | |
570 | typedef void kvm_tramp_entry(union context *host, union context *guest); | |
571 | ||
572 | struct kvm_vmm_info{ | |
573 | struct module *module; | |
574 | kvm_vmm_entry *vmm_entry; | |
575 | kvm_tramp_entry *tramp_entry; | |
576 | unsigned long vmm_ivt; | |
577 | }; | |
578 | ||
579 | int kvm_highest_pending_irq(struct kvm_vcpu *vcpu); | |
580 | int kvm_emulate_halt(struct kvm_vcpu *vcpu); | |
581 | int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run); | |
582 | void kvm_sal_emul(struct kvm_vcpu *vcpu); | |
583 | ||
3419ffc8 | 584 | static inline void kvm_inject_nmi(struct kvm_vcpu *vcpu) {} |
a917f7af | 585 | #endif /* __ASSEMBLY__*/ |
3419ffc8 | 586 | |
1a9c1ac4 | 587 | #endif |