diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/kvm/kvm.h | 109 | ||||
-rw-r--r-- | drivers/kvm/x86.h | 110 |
2 files changed, 110 insertions, 109 deletions
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h index 1c4de50ac06a..41f6ee2134de 100644 --- a/drivers/kvm/kvm.h +++ b/drivers/kvm/kvm.h | |||
@@ -577,115 +577,6 @@ static inline int memslot_id(struct kvm *kvm, struct kvm_memory_slot *slot) | |||
577 | return slot - kvm->memslots; | 577 | return slot - kvm->memslots; |
578 | } | 578 | } |
579 | 579 | ||
580 | static inline struct kvm_mmu_page *page_header(hpa_t shadow_page) | ||
581 | { | ||
582 | struct page *page = pfn_to_page(shadow_page >> PAGE_SHIFT); | ||
583 | |||
584 | return (struct kvm_mmu_page *)page_private(page); | ||
585 | } | ||
586 | |||
587 | static inline u16 read_fs(void) | ||
588 | { | ||
589 | u16 seg; | ||
590 | asm("mov %%fs, %0" : "=g"(seg)); | ||
591 | return seg; | ||
592 | } | ||
593 | |||
594 | static inline u16 read_gs(void) | ||
595 | { | ||
596 | u16 seg; | ||
597 | asm("mov %%gs, %0" : "=g"(seg)); | ||
598 | return seg; | ||
599 | } | ||
600 | |||
601 | static inline u16 read_ldt(void) | ||
602 | { | ||
603 | u16 ldt; | ||
604 | asm("sldt %0" : "=g"(ldt)); | ||
605 | return ldt; | ||
606 | } | ||
607 | |||
608 | static inline void load_fs(u16 sel) | ||
609 | { | ||
610 | asm("mov %0, %%fs" : : "rm"(sel)); | ||
611 | } | ||
612 | |||
613 | static inline void load_gs(u16 sel) | ||
614 | { | ||
615 | asm("mov %0, %%gs" : : "rm"(sel)); | ||
616 | } | ||
617 | |||
618 | #ifndef load_ldt | ||
619 | static inline void load_ldt(u16 sel) | ||
620 | { | ||
621 | asm("lldt %0" : : "rm"(sel)); | ||
622 | } | ||
623 | #endif | ||
624 | |||
625 | static inline void get_idt(struct descriptor_table *table) | ||
626 | { | ||
627 | asm("sidt %0" : "=m"(*table)); | ||
628 | } | ||
629 | |||
630 | static inline void get_gdt(struct descriptor_table *table) | ||
631 | { | ||
632 | asm("sgdt %0" : "=m"(*table)); | ||
633 | } | ||
634 | |||
635 | static inline unsigned long read_tr_base(void) | ||
636 | { | ||
637 | u16 tr; | ||
638 | asm("str %0" : "=g"(tr)); | ||
639 | return segment_base(tr); | ||
640 | } | ||
641 | |||
642 | #ifdef CONFIG_X86_64 | ||
643 | static inline unsigned long read_msr(unsigned long msr) | ||
644 | { | ||
645 | u64 value; | ||
646 | |||
647 | rdmsrl(msr, value); | ||
648 | return value; | ||
649 | } | ||
650 | #endif | ||
651 | |||
652 | static inline void fx_save(struct i387_fxsave_struct *image) | ||
653 | { | ||
654 | asm("fxsave (%0)":: "r" (image)); | ||
655 | } | ||
656 | |||
657 | static inline void fx_restore(struct i387_fxsave_struct *image) | ||
658 | { | ||
659 | asm("fxrstor (%0)":: "r" (image)); | ||
660 | } | ||
661 | |||
662 | static inline void fpu_init(void) | ||
663 | { | ||
664 | asm("finit"); | ||
665 | } | ||
666 | |||
667 | static inline u32 get_rdx_init_val(void) | ||
668 | { | ||
669 | return 0x600; /* P6 family */ | ||
670 | } | ||
671 | |||
672 | #define ASM_VMX_VMCLEAR_RAX ".byte 0x66, 0x0f, 0xc7, 0x30" | ||
673 | #define ASM_VMX_VMLAUNCH ".byte 0x0f, 0x01, 0xc2" | ||
674 | #define ASM_VMX_VMRESUME ".byte 0x0f, 0x01, 0xc3" | ||
675 | #define ASM_VMX_VMPTRLD_RAX ".byte 0x0f, 0xc7, 0x30" | ||
676 | #define ASM_VMX_VMREAD_RDX_RAX ".byte 0x0f, 0x78, 0xd0" | ||
677 | #define ASM_VMX_VMWRITE_RAX_RDX ".byte 0x0f, 0x79, 0xd0" | ||
678 | #define ASM_VMX_VMWRITE_RSP_RDX ".byte 0x0f, 0x79, 0xd4" | ||
679 | #define ASM_VMX_VMXOFF ".byte 0x0f, 0x01, 0xc4" | ||
680 | #define ASM_VMX_VMXON_RAX ".byte 0xf3, 0x0f, 0xc7, 0x30" | ||
681 | |||
682 | #define MSR_IA32_TIME_STAMP_COUNTER 0x010 | ||
683 | |||
684 | #define TSS_IOPB_BASE_OFFSET 0x66 | ||
685 | #define TSS_BASE_SIZE 0x68 | ||
686 | #define TSS_IOPB_SIZE (65536 / 8) | ||
687 | #define TSS_REDIRECTION_SIZE (256 / 8) | ||
688 | #define RMODE_TSS_SIZE (TSS_BASE_SIZE + TSS_REDIRECTION_SIZE + TSS_IOPB_SIZE + 1) | ||
689 | 580 | ||
690 | enum kvm_stat_kind { | 581 | enum kvm_stat_kind { |
691 | KVM_STAT_VM, | 582 | KVM_STAT_VM, |
diff --git a/drivers/kvm/x86.h b/drivers/kvm/x86.h index 77a4a4ab9391..f1c43cafb0ca 100644 --- a/drivers/kvm/x86.h +++ b/drivers/kvm/x86.h | |||
@@ -267,4 +267,114 @@ static inline int is_paging(struct kvm_vcpu *vcpu) | |||
267 | 267 | ||
268 | int load_pdptrs(struct kvm_vcpu *vcpu, unsigned long cr3); | 268 | int load_pdptrs(struct kvm_vcpu *vcpu, unsigned long cr3); |
269 | int complete_pio(struct kvm_vcpu *vcpu); | 269 | int complete_pio(struct kvm_vcpu *vcpu); |
270 | |||
271 | static inline struct kvm_mmu_page *page_header(hpa_t shadow_page) | ||
272 | { | ||
273 | struct page *page = pfn_to_page(shadow_page >> PAGE_SHIFT); | ||
274 | |||
275 | return (struct kvm_mmu_page *)page_private(page); | ||
276 | } | ||
277 | |||
278 | static inline u16 read_fs(void) | ||
279 | { | ||
280 | u16 seg; | ||
281 | asm("mov %%fs, %0" : "=g"(seg)); | ||
282 | return seg; | ||
283 | } | ||
284 | |||
285 | static inline u16 read_gs(void) | ||
286 | { | ||
287 | u16 seg; | ||
288 | asm("mov %%gs, %0" : "=g"(seg)); | ||
289 | return seg; | ||
290 | } | ||
291 | |||
292 | static inline u16 read_ldt(void) | ||
293 | { | ||
294 | u16 ldt; | ||
295 | asm("sldt %0" : "=g"(ldt)); | ||
296 | return ldt; | ||
297 | } | ||
298 | |||
299 | static inline void load_fs(u16 sel) | ||
300 | { | ||
301 | asm("mov %0, %%fs" : : "rm"(sel)); | ||
302 | } | ||
303 | |||
304 | static inline void load_gs(u16 sel) | ||
305 | { | ||
306 | asm("mov %0, %%gs" : : "rm"(sel)); | ||
307 | } | ||
308 | |||
309 | #ifndef load_ldt | ||
310 | static inline void load_ldt(u16 sel) | ||
311 | { | ||
312 | asm("lldt %0" : : "rm"(sel)); | ||
313 | } | ||
314 | #endif | ||
315 | |||
316 | static inline void get_idt(struct descriptor_table *table) | ||
317 | { | ||
318 | asm("sidt %0" : "=m"(*table)); | ||
319 | } | ||
320 | |||
321 | static inline void get_gdt(struct descriptor_table *table) | ||
322 | { | ||
323 | asm("sgdt %0" : "=m"(*table)); | ||
324 | } | ||
325 | |||
326 | static inline unsigned long read_tr_base(void) | ||
327 | { | ||
328 | u16 tr; | ||
329 | asm("str %0" : "=g"(tr)); | ||
330 | return segment_base(tr); | ||
331 | } | ||
332 | |||
333 | #ifdef CONFIG_X86_64 | ||
334 | static inline unsigned long read_msr(unsigned long msr) | ||
335 | { | ||
336 | u64 value; | ||
337 | |||
338 | rdmsrl(msr, value); | ||
339 | return value; | ||
340 | } | ||
341 | #endif | ||
342 | |||
343 | static inline void fx_save(struct i387_fxsave_struct *image) | ||
344 | { | ||
345 | asm("fxsave (%0)":: "r" (image)); | ||
346 | } | ||
347 | |||
348 | static inline void fx_restore(struct i387_fxsave_struct *image) | ||
349 | { | ||
350 | asm("fxrstor (%0)":: "r" (image)); | ||
351 | } | ||
352 | |||
353 | static inline void fpu_init(void) | ||
354 | { | ||
355 | asm("finit"); | ||
356 | } | ||
357 | |||
358 | static inline u32 get_rdx_init_val(void) | ||
359 | { | ||
360 | return 0x600; /* P6 family */ | ||
361 | } | ||
362 | |||
363 | #define ASM_VMX_VMCLEAR_RAX ".byte 0x66, 0x0f, 0xc7, 0x30" | ||
364 | #define ASM_VMX_VMLAUNCH ".byte 0x0f, 0x01, 0xc2" | ||
365 | #define ASM_VMX_VMRESUME ".byte 0x0f, 0x01, 0xc3" | ||
366 | #define ASM_VMX_VMPTRLD_RAX ".byte 0x0f, 0xc7, 0x30" | ||
367 | #define ASM_VMX_VMREAD_RDX_RAX ".byte 0x0f, 0x78, 0xd0" | ||
368 | #define ASM_VMX_VMWRITE_RAX_RDX ".byte 0x0f, 0x79, 0xd0" | ||
369 | #define ASM_VMX_VMWRITE_RSP_RDX ".byte 0x0f, 0x79, 0xd4" | ||
370 | #define ASM_VMX_VMXOFF ".byte 0x0f, 0x01, 0xc4" | ||
371 | #define ASM_VMX_VMXON_RAX ".byte 0xf3, 0x0f, 0xc7, 0x30" | ||
372 | |||
373 | #define MSR_IA32_TIME_STAMP_COUNTER 0x010 | ||
374 | |||
375 | #define TSS_IOPB_BASE_OFFSET 0x66 | ||
376 | #define TSS_BASE_SIZE 0x68 | ||
377 | #define TSS_IOPB_SIZE (65536 / 8) | ||
378 | #define TSS_REDIRECTION_SIZE (256 / 8) | ||
379 | #define RMODE_TSS_SIZE (TSS_BASE_SIZE + TSS_REDIRECTION_SIZE + TSS_IOPB_SIZE + 1) | ||
270 | #endif | 380 | #endif |