diff options
Diffstat (limited to 'include/asm-i386/paravirt.h')
-rw-r--r-- | include/asm-i386/paravirt.h | 168 |
1 files changed, 109 insertions, 59 deletions
diff --git a/include/asm-i386/paravirt.h b/include/asm-i386/paravirt.h index 9f06265065f4..6317e0a4d735 100644 --- a/include/asm-i386/paravirt.h +++ b/include/asm-i386/paravirt.h | |||
@@ -59,90 +59,102 @@ struct paravirt_ops | |||
59 | convention. This makes it easier to implement inline | 59 | convention. This makes it easier to implement inline |
60 | assembler replacements. */ | 60 | assembler replacements. */ |
61 | 61 | ||
62 | void (fastcall *cpuid)(unsigned int *eax, unsigned int *ebx, | 62 | void (*cpuid)(unsigned int *eax, unsigned int *ebx, |
63 | unsigned int *ecx, unsigned int *edx); | 63 | unsigned int *ecx, unsigned int *edx); |
64 | 64 | ||
65 | unsigned long (fastcall *get_debugreg)(int regno); | 65 | unsigned long (*get_debugreg)(int regno); |
66 | void (fastcall *set_debugreg)(int regno, unsigned long value); | 66 | void (*set_debugreg)(int regno, unsigned long value); |
67 | 67 | ||
68 | void (fastcall *clts)(void); | 68 | void (*clts)(void); |
69 | 69 | ||
70 | unsigned long (fastcall *read_cr0)(void); | 70 | unsigned long (*read_cr0)(void); |
71 | void (fastcall *write_cr0)(unsigned long); | 71 | void (*write_cr0)(unsigned long); |
72 | 72 | ||
73 | unsigned long (fastcall *read_cr2)(void); | 73 | unsigned long (*read_cr2)(void); |
74 | void (fastcall *write_cr2)(unsigned long); | 74 | void (*write_cr2)(unsigned long); |
75 | 75 | ||
76 | unsigned long (fastcall *read_cr3)(void); | 76 | unsigned long (*read_cr3)(void); |
77 | void (fastcall *write_cr3)(unsigned long); | 77 | void (*write_cr3)(unsigned long); |
78 | 78 | ||
79 | unsigned long (fastcall *read_cr4_safe)(void); | 79 | unsigned long (*read_cr4_safe)(void); |
80 | unsigned long (fastcall *read_cr4)(void); | 80 | unsigned long (*read_cr4)(void); |
81 | void (fastcall *write_cr4)(unsigned long); | 81 | void (*write_cr4)(unsigned long); |
82 | 82 | ||
83 | unsigned long (fastcall *save_fl)(void); | 83 | unsigned long (*save_fl)(void); |
84 | void (fastcall *restore_fl)(unsigned long); | 84 | void (*restore_fl)(unsigned long); |
85 | void (fastcall *irq_disable)(void); | 85 | void (*irq_disable)(void); |
86 | void (fastcall *irq_enable)(void); | 86 | void (*irq_enable)(void); |
87 | void (fastcall *safe_halt)(void); | 87 | void (*safe_halt)(void); |
88 | void (fastcall *halt)(void); | 88 | void (*halt)(void); |
89 | void (fastcall *wbinvd)(void); | 89 | void (*wbinvd)(void); |
90 | 90 | ||
91 | /* err = 0/-EFAULT. wrmsr returns 0/-EFAULT. */ | 91 | /* err = 0/-EFAULT. wrmsr returns 0/-EFAULT. */ |
92 | u64 (fastcall *read_msr)(unsigned int msr, int *err); | 92 | u64 (*read_msr)(unsigned int msr, int *err); |
93 | int (fastcall *write_msr)(unsigned int msr, u64 val); | 93 | int (*write_msr)(unsigned int msr, u64 val); |
94 | 94 | ||
95 | u64 (fastcall *read_tsc)(void); | 95 | u64 (*read_tsc)(void); |
96 | u64 (fastcall *read_pmc)(void); | 96 | u64 (*read_pmc)(void); |
97 | 97 | ||
98 | void (fastcall *load_tr_desc)(void); | 98 | void (*load_tr_desc)(void); |
99 | void (fastcall *load_gdt)(const struct Xgt_desc_struct *); | 99 | void (*load_gdt)(const struct Xgt_desc_struct *); |
100 | void (fastcall *load_idt)(const struct Xgt_desc_struct *); | 100 | void (*load_idt)(const struct Xgt_desc_struct *); |
101 | void (fastcall *store_gdt)(struct Xgt_desc_struct *); | 101 | void (*store_gdt)(struct Xgt_desc_struct *); |
102 | void (fastcall *store_idt)(struct Xgt_desc_struct *); | 102 | void (*store_idt)(struct Xgt_desc_struct *); |
103 | void (fastcall *set_ldt)(const void *desc, unsigned entries); | 103 | void (*set_ldt)(const void *desc, unsigned entries); |
104 | unsigned long (fastcall *store_tr)(void); | 104 | unsigned long (*store_tr)(void); |
105 | void (fastcall *load_tls)(struct thread_struct *t, unsigned int cpu); | 105 | void (*load_tls)(struct thread_struct *t, unsigned int cpu); |
106 | void (fastcall *write_ldt_entry)(void *dt, int entrynum, | 106 | void (*write_ldt_entry)(void *dt, int entrynum, |
107 | u32 low, u32 high); | 107 | u32 low, u32 high); |
108 | void (fastcall *write_gdt_entry)(void *dt, int entrynum, | 108 | void (*write_gdt_entry)(void *dt, int entrynum, |
109 | u32 low, u32 high); | 109 | u32 low, u32 high); |
110 | void (fastcall *write_idt_entry)(void *dt, int entrynum, | 110 | void (*write_idt_entry)(void *dt, int entrynum, |
111 | u32 low, u32 high); | 111 | u32 low, u32 high); |
112 | void (fastcall *load_esp0)(struct tss_struct *tss, | 112 | void (*load_esp0)(struct tss_struct *tss, |
113 | struct thread_struct *thread); | 113 | struct thread_struct *thread); |
114 | 114 | ||
115 | void (fastcall *set_iopl_mask)(unsigned mask); | 115 | void (*set_iopl_mask)(unsigned mask); |
116 | 116 | ||
117 | void (fastcall *io_delay)(void); | 117 | void (*io_delay)(void); |
118 | void (*const_udelay)(unsigned long loops); | 118 | void (*const_udelay)(unsigned long loops); |
119 | 119 | ||
120 | #ifdef CONFIG_X86_LOCAL_APIC | 120 | #ifdef CONFIG_X86_LOCAL_APIC |
121 | void (fastcall *apic_write)(unsigned long reg, unsigned long v); | 121 | void (*apic_write)(unsigned long reg, unsigned long v); |
122 | void (fastcall *apic_write_atomic)(unsigned long reg, unsigned long v); | 122 | void (*apic_write_atomic)(unsigned long reg, unsigned long v); |
123 | unsigned long (fastcall *apic_read)(unsigned long reg); | 123 | unsigned long (*apic_read)(unsigned long reg); |
124 | void (*setup_boot_clock)(void); | ||
125 | void (*setup_secondary_clock)(void); | ||
124 | #endif | 126 | #endif |
125 | 127 | ||
126 | void (fastcall *flush_tlb_user)(void); | 128 | void (*flush_tlb_user)(void); |
127 | void (fastcall *flush_tlb_kernel)(void); | 129 | void (*flush_tlb_kernel)(void); |
128 | void (fastcall *flush_tlb_single)(u32 addr); | 130 | void (*flush_tlb_single)(u32 addr); |
129 | 131 | ||
130 | void (fastcall *set_pte)(pte_t *ptep, pte_t pteval); | 132 | void (*alloc_pt)(u32 pfn); |
131 | void (fastcall *set_pte_at)(struct mm_struct *mm, u32 addr, pte_t *ptep, pte_t pteval); | 133 | void (*alloc_pd)(u32 pfn); |
132 | void (fastcall *set_pmd)(pmd_t *pmdp, pmd_t pmdval); | 134 | void (*alloc_pd_clone)(u32 pfn, u32 clonepfn, u32 start, u32 count); |
133 | void (fastcall *pte_update)(struct mm_struct *mm, u32 addr, pte_t *ptep); | 135 | void (*release_pt)(u32 pfn); |
134 | void (fastcall *pte_update_defer)(struct mm_struct *mm, u32 addr, pte_t *ptep); | 136 | void (*release_pd)(u32 pfn); |
137 | |||
138 | void (*set_pte)(pte_t *ptep, pte_t pteval); | ||
139 | void (*set_pte_at)(struct mm_struct *mm, u32 addr, pte_t *ptep, pte_t pteval); | ||
140 | void (*set_pmd)(pmd_t *pmdp, pmd_t pmdval); | ||
141 | void (*pte_update)(struct mm_struct *mm, u32 addr, pte_t *ptep); | ||
142 | void (*pte_update_defer)(struct mm_struct *mm, u32 addr, pte_t *ptep); | ||
135 | #ifdef CONFIG_X86_PAE | 143 | #ifdef CONFIG_X86_PAE |
136 | void (fastcall *set_pte_atomic)(pte_t *ptep, pte_t pteval); | 144 | void (*set_pte_atomic)(pte_t *ptep, pte_t pteval); |
137 | void (fastcall *set_pte_present)(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte); | 145 | void (*set_pte_present)(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte); |
138 | void (fastcall *set_pud)(pud_t *pudp, pud_t pudval); | 146 | void (*set_pud)(pud_t *pudp, pud_t pudval); |
139 | void (fastcall *pte_clear)(struct mm_struct *mm, unsigned long addr, pte_t *ptep); | 147 | void (*pte_clear)(struct mm_struct *mm, unsigned long addr, pte_t *ptep); |
140 | void (fastcall *pmd_clear)(pmd_t *pmdp); | 148 | void (*pmd_clear)(pmd_t *pmdp); |
141 | #endif | 149 | #endif |
142 | 150 | ||
151 | void (*set_lazy_mode)(int mode); | ||
152 | |||
143 | /* These two are jmp to, not actually called. */ | 153 | /* These two are jmp to, not actually called. */ |
144 | void (fastcall *irq_enable_sysexit)(void); | 154 | void (*irq_enable_sysexit)(void); |
145 | void (fastcall *iret)(void); | 155 | void (*iret)(void); |
156 | |||
157 | void (*startup_ipi_hook)(int phys_apicid, unsigned long start_eip, unsigned long start_esp); | ||
146 | }; | 158 | }; |
147 | 159 | ||
148 | /* Mark a paravirt probe function. */ | 160 | /* Mark a paravirt probe function. */ |
@@ -313,13 +325,38 @@ static inline unsigned long apic_read(unsigned long reg) | |||
313 | { | 325 | { |
314 | return paravirt_ops.apic_read(reg); | 326 | return paravirt_ops.apic_read(reg); |
315 | } | 327 | } |
328 | |||
329 | static inline void setup_boot_clock(void) | ||
330 | { | ||
331 | paravirt_ops.setup_boot_clock(); | ||
332 | } | ||
333 | |||
334 | static inline void setup_secondary_clock(void) | ||
335 | { | ||
336 | paravirt_ops.setup_secondary_clock(); | ||
337 | } | ||
316 | #endif | 338 | #endif |
317 | 339 | ||
340 | #ifdef CONFIG_SMP | ||
341 | static inline void startup_ipi_hook(int phys_apicid, unsigned long start_eip, | ||
342 | unsigned long start_esp) | ||
343 | { | ||
344 | return paravirt_ops.startup_ipi_hook(phys_apicid, start_eip, start_esp); | ||
345 | } | ||
346 | #endif | ||
318 | 347 | ||
319 | #define __flush_tlb() paravirt_ops.flush_tlb_user() | 348 | #define __flush_tlb() paravirt_ops.flush_tlb_user() |
320 | #define __flush_tlb_global() paravirt_ops.flush_tlb_kernel() | 349 | #define __flush_tlb_global() paravirt_ops.flush_tlb_kernel() |
321 | #define __flush_tlb_single(addr) paravirt_ops.flush_tlb_single(addr) | 350 | #define __flush_tlb_single(addr) paravirt_ops.flush_tlb_single(addr) |
322 | 351 | ||
352 | #define paravirt_alloc_pt(pfn) paravirt_ops.alloc_pt(pfn) | ||
353 | #define paravirt_release_pt(pfn) paravirt_ops.release_pt(pfn) | ||
354 | |||
355 | #define paravirt_alloc_pd(pfn) paravirt_ops.alloc_pd(pfn) | ||
356 | #define paravirt_alloc_pd_clone(pfn, clonepfn, start, count) \ | ||
357 | paravirt_ops.alloc_pd_clone(pfn, clonepfn, start, count) | ||
358 | #define paravirt_release_pd(pfn) paravirt_ops.release_pd(pfn) | ||
359 | |||
323 | static inline void set_pte(pte_t *ptep, pte_t pteval) | 360 | static inline void set_pte(pte_t *ptep, pte_t pteval) |
324 | { | 361 | { |
325 | paravirt_ops.set_pte(ptep, pteval); | 362 | paravirt_ops.set_pte(ptep, pteval); |
@@ -372,6 +409,19 @@ static inline void pmd_clear(pmd_t *pmdp) | |||
372 | } | 409 | } |
373 | #endif | 410 | #endif |
374 | 411 | ||
412 | /* Lazy mode for batching updates / context switch */ | ||
413 | #define PARAVIRT_LAZY_NONE 0 | ||
414 | #define PARAVIRT_LAZY_MMU 1 | ||
415 | #define PARAVIRT_LAZY_CPU 2 | ||
416 | |||
417 | #define __HAVE_ARCH_ENTER_LAZY_CPU_MODE | ||
418 | #define arch_enter_lazy_cpu_mode() paravirt_ops.set_lazy_mode(PARAVIRT_LAZY_CPU) | ||
419 | #define arch_leave_lazy_cpu_mode() paravirt_ops.set_lazy_mode(PARAVIRT_LAZY_NONE) | ||
420 | |||
421 | #define __HAVE_ARCH_ENTER_LAZY_MMU_MODE | ||
422 | #define arch_enter_lazy_mmu_mode() paravirt_ops.set_lazy_mode(PARAVIRT_LAZY_MMU) | ||
423 | #define arch_leave_lazy_mmu_mode() paravirt_ops.set_lazy_mode(PARAVIRT_LAZY_NONE) | ||
424 | |||
375 | /* These all sit in the .parainstructions section to tell us what to patch. */ | 425 | /* These all sit in the .parainstructions section to tell us what to patch. */ |
376 | struct paravirt_patch { | 426 | struct paravirt_patch { |
377 | u8 *instr; /* original instructions */ | 427 | u8 *instr; /* original instructions */ |