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 convention. This makes it easier to implement inline assembler replacements. */ - void (fastcall *cpuid)(unsigned int *eax, unsigned int *ebx, + void (*cpuid)(unsigned int *eax, unsigned int *ebx, unsigned int *ecx, unsigned int *edx); - unsigned long (fastcall *get_debugreg)(int regno); - void (fastcall *set_debugreg)(int regno, unsigned long value); + unsigned long (*get_debugreg)(int regno); + void (*set_debugreg)(int regno, unsigned long value); - void (fastcall *clts)(void); + void (*clts)(void); - unsigned long (fastcall *read_cr0)(void); - void (fastcall *write_cr0)(unsigned long); + unsigned long (*read_cr0)(void); + void (*write_cr0)(unsigned long); - unsigned long (fastcall *read_cr2)(void); - void (fastcall *write_cr2)(unsigned long); + unsigned long (*read_cr2)(void); + void (*write_cr2)(unsigned long); - unsigned long (fastcall *read_cr3)(void); - void (fastcall *write_cr3)(unsigned long); + unsigned long (*read_cr3)(void); + void (*write_cr3)(unsigned long); - unsigned long (fastcall *read_cr4_safe)(void); - unsigned long (fastcall *read_cr4)(void); - void (fastcall *write_cr4)(unsigned long); + unsigned long (*read_cr4_safe)(void); + unsigned long (*read_cr4)(void); + void (*write_cr4)(unsigned long); - unsigned long (fastcall *save_fl)(void); - void (fastcall *restore_fl)(unsigned long); - void (fastcall *irq_disable)(void); - void (fastcall *irq_enable)(void); - void (fastcall *safe_halt)(void); - void (fastcall *halt)(void); - void (fastcall *wbinvd)(void); + unsigned long (*save_fl)(void); + void (*restore_fl)(unsigned long); + void (*irq_disable)(void); + void (*irq_enable)(void); + void (*safe_halt)(void); + void (*halt)(void); + void (*wbinvd)(void); /* err = 0/-EFAULT. wrmsr returns 0/-EFAULT. */ - u64 (fastcall *read_msr)(unsigned int msr, int *err); - int (fastcall *write_msr)(unsigned int msr, u64 val); - - u64 (fastcall *read_tsc)(void); - u64 (fastcall *read_pmc)(void); - - void (fastcall *load_tr_desc)(void); - void (fastcall *load_gdt)(const struct Xgt_desc_struct *); - void (fastcall *load_idt)(const struct Xgt_desc_struct *); - void (fastcall *store_gdt)(struct Xgt_desc_struct *); - void (fastcall *store_idt)(struct Xgt_desc_struct *); - void (fastcall *set_ldt)(const void *desc, unsigned entries); - unsigned long (fastcall *store_tr)(void); - void (fastcall *load_tls)(struct thread_struct *t, unsigned int cpu); - void (fastcall *write_ldt_entry)(void *dt, int entrynum, + u64 (*read_msr)(unsigned int msr, int *err); + int (*write_msr)(unsigned int msr, u64 val); + + u64 (*read_tsc)(void); + u64 (*read_pmc)(void); + + void (*load_tr_desc)(void); + void (*load_gdt)(const struct Xgt_desc_struct *); + void (*load_idt)(const struct Xgt_desc_struct *); + void (*store_gdt)(struct Xgt_desc_struct *); + void (*store_idt)(struct Xgt_desc_struct *); + void (*set_ldt)(const void *desc, unsigned entries); + unsigned long (*store_tr)(void); + void (*load_tls)(struct thread_struct *t, unsigned int cpu); + void (*write_ldt_entry)(void *dt, int entrynum, u32 low, u32 high); - void (fastcall *write_gdt_entry)(void *dt, int entrynum, + void (*write_gdt_entry)(void *dt, int entrynum, u32 low, u32 high); - void (fastcall *write_idt_entry)(void *dt, int entrynum, + void (*write_idt_entry)(void *dt, int entrynum, u32 low, u32 high); - void (fastcall *load_esp0)(struct tss_struct *tss, + void (*load_esp0)(struct tss_struct *tss, struct thread_struct *thread); - void (fastcall *set_iopl_mask)(unsigned mask); + void (*set_iopl_mask)(unsigned mask); - void (fastcall *io_delay)(void); + void (*io_delay)(void); void (*const_udelay)(unsigned long loops); #ifdef CONFIG_X86_LOCAL_APIC - void (fastcall *apic_write)(unsigned long reg, unsigned long v); - void (fastcall *apic_write_atomic)(unsigned long reg, unsigned long v); - unsigned long (fastcall *apic_read)(unsigned long reg); + void (*apic_write)(unsigned long reg, unsigned long v); + void (*apic_write_atomic)(unsigned long reg, unsigned long v); + unsigned long (*apic_read)(unsigned long reg); + void (*setup_boot_clock)(void); + void (*setup_secondary_clock)(void); #endif - void (fastcall *flush_tlb_user)(void); - void (fastcall *flush_tlb_kernel)(void); - void (fastcall *flush_tlb_single)(u32 addr); - - void (fastcall *set_pte)(pte_t *ptep, pte_t pteval); - void (fastcall *set_pte_at)(struct mm_struct *mm, u32 addr, pte_t *ptep, pte_t pteval); - void (fastcall *set_pmd)(pmd_t *pmdp, pmd_t pmdval); - void (fastcall *pte_update)(struct mm_struct *mm, u32 addr, pte_t *ptep); - void (fastcall *pte_update_defer)(struct mm_struct *mm, u32 addr, pte_t *ptep); + void (*flush_tlb_user)(void); + void (*flush_tlb_kernel)(void); + void (*flush_tlb_single)(u32 addr); + + void (*alloc_pt)(u32 pfn); + void (*alloc_pd)(u32 pfn); + void (*alloc_pd_clone)(u32 pfn, u32 clonepfn, u32 start, u32 count); + void (*release_pt)(u32 pfn); + void (*release_pd)(u32 pfn); + + void (*set_pte)(pte_t *ptep, pte_t pteval); + void (*set_pte_at)(struct mm_struct *mm, u32 addr, pte_t *ptep, pte_t pteval); + void (*set_pmd)(pmd_t *pmdp, pmd_t pmdval); + void (*pte_update)(struct mm_struct *mm, u32 addr, pte_t *ptep); + void (*pte_update_defer)(struct mm_struct *mm, u32 addr, pte_t *ptep); #ifdef CONFIG_X86_PAE - void (fastcall *set_pte_atomic)(pte_t *ptep, pte_t pteval); - void (fastcall *set_pte_present)(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte); - void (fastcall *set_pud)(pud_t *pudp, pud_t pudval); - void (fastcall *pte_clear)(struct mm_struct *mm, unsigned long addr, pte_t *ptep); - void (fastcall *pmd_clear)(pmd_t *pmdp); + void (*set_pte_atomic)(pte_t *ptep, pte_t pteval); + void (*set_pte_present)(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte); + void (*set_pud)(pud_t *pudp, pud_t pudval); + void (*pte_clear)(struct mm_struct *mm, unsigned long addr, pte_t *ptep); + void (*pmd_clear)(pmd_t *pmdp); #endif + void (*set_lazy_mode)(int mode); + /* These two are jmp to, not actually called. */ - void (fastcall *irq_enable_sysexit)(void); - void (fastcall *iret)(void); + void (*irq_enable_sysexit)(void); + void (*iret)(void); + + void (*startup_ipi_hook)(int phys_apicid, unsigned long start_eip, unsigned long start_esp); }; /* Mark a paravirt probe function. */ @@ -313,13 +325,38 @@ static inline unsigned long apic_read(unsigned long reg) { return paravirt_ops.apic_read(reg); } + +static inline void setup_boot_clock(void) +{ + paravirt_ops.setup_boot_clock(); +} + +static inline void setup_secondary_clock(void) +{ + paravirt_ops.setup_secondary_clock(); +} #endif +#ifdef CONFIG_SMP +static inline void startup_ipi_hook(int phys_apicid, unsigned long start_eip, + unsigned long start_esp) +{ + return paravirt_ops.startup_ipi_hook(phys_apicid, start_eip, start_esp); +} +#endif #define __flush_tlb() paravirt_ops.flush_tlb_user() #define __flush_tlb_global() paravirt_ops.flush_tlb_kernel() #define __flush_tlb_single(addr) paravirt_ops.flush_tlb_single(addr) +#define paravirt_alloc_pt(pfn) paravirt_ops.alloc_pt(pfn) +#define paravirt_release_pt(pfn) paravirt_ops.release_pt(pfn) + +#define paravirt_alloc_pd(pfn) paravirt_ops.alloc_pd(pfn) +#define paravirt_alloc_pd_clone(pfn, clonepfn, start, count) \ + paravirt_ops.alloc_pd_clone(pfn, clonepfn, start, count) +#define paravirt_release_pd(pfn) paravirt_ops.release_pd(pfn) + static inline void set_pte(pte_t *ptep, pte_t pteval) { paravirt_ops.set_pte(ptep, pteval); @@ -372,6 +409,19 @@ static inline void pmd_clear(pmd_t *pmdp) } #endif +/* Lazy mode for batching updates / context switch */ +#define PARAVIRT_LAZY_NONE 0 +#define PARAVIRT_LAZY_MMU 1 +#define PARAVIRT_LAZY_CPU 2 + +#define __HAVE_ARCH_ENTER_LAZY_CPU_MODE +#define arch_enter_lazy_cpu_mode() paravirt_ops.set_lazy_mode(PARAVIRT_LAZY_CPU) +#define arch_leave_lazy_cpu_mode() paravirt_ops.set_lazy_mode(PARAVIRT_LAZY_NONE) + +#define __HAVE_ARCH_ENTER_LAZY_MMU_MODE +#define arch_enter_lazy_mmu_mode() paravirt_ops.set_lazy_mode(PARAVIRT_LAZY_MMU) +#define arch_leave_lazy_mmu_mode() paravirt_ops.set_lazy_mode(PARAVIRT_LAZY_NONE) + /* These all sit in the .parainstructions section to tell us what to patch. */ struct paravirt_patch { u8 *instr; /* original instructions */ |