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authorThomas Gleixner <tglx@linutronix.de>2007-10-11 11:20:03 +0200
committerThomas Gleixner <tglx@linutronix.de>2007-10-11 11:20:03 +0200
commit96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 (patch)
treed947a467aa2da3140279617bc4b9b101640d7bf4 /include/asm-i386/paravirt.h
parentx86: sanitize pathes arch/x86/kernel/cpu/Makefile (diff)
downloadlinux-dev-96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42.tar.xz
linux-dev-96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42.zip
i386/x86_64: move headers to include/asm-x86
Move the headers to include/asm-x86 and fixup the header install make rules Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-i386/paravirt.h')
-rw-r--r--include/asm-i386/paravirt.h1085
1 files changed, 0 insertions, 1085 deletions
diff --git a/include/asm-i386/paravirt.h b/include/asm-i386/paravirt.h
deleted file mode 100644
index 9fa3fa9e62d1..000000000000
--- a/include/asm-i386/paravirt.h
+++ /dev/null
@@ -1,1085 +0,0 @@
-#ifndef __ASM_PARAVIRT_H
-#define __ASM_PARAVIRT_H
-/* Various instructions on x86 need to be replaced for
- * para-virtualization: those hooks are defined here. */
-
-#ifdef CONFIG_PARAVIRT
-#include <asm/page.h>
-
-/* Bitmask of what can be clobbered: usually at least eax. */
-#define CLBR_NONE 0x0
-#define CLBR_EAX 0x1
-#define CLBR_ECX 0x2
-#define CLBR_EDX 0x4
-#define CLBR_ANY 0x7
-
-#ifndef __ASSEMBLY__
-#include <linux/types.h>
-#include <linux/cpumask.h>
-#include <asm/kmap_types.h>
-
-struct page;
-struct thread_struct;
-struct Xgt_desc_struct;
-struct tss_struct;
-struct mm_struct;
-struct desc_struct;
-
-/* Lazy mode for batching updates / context switch */
-enum paravirt_lazy_mode {
- PARAVIRT_LAZY_NONE = 0,
- PARAVIRT_LAZY_MMU = 1,
- PARAVIRT_LAZY_CPU = 2,
- PARAVIRT_LAZY_FLUSH = 3,
-};
-
-struct paravirt_ops
-{
- unsigned int kernel_rpl;
- int shared_kernel_pmd;
- int paravirt_enabled;
- const char *name;
-
- /*
- * Patch may replace one of the defined code sequences with arbitrary
- * code, subject to the same register constraints. This generally
- * means the code is not free to clobber any registers other than EAX.
- * The patch function should return the number of bytes of code
- * generated, as we nop pad the rest in generic code.
- */
- unsigned (*patch)(u8 type, u16 clobber, void *insnbuf,
- unsigned long addr, unsigned len);
-
- /* Basic arch-specific setup */
- void (*arch_setup)(void);
- char *(*memory_setup)(void);
- void (*post_allocator_init)(void);
-
- void (*init_IRQ)(void);
- void (*time_init)(void);
-
- /*
- * Called before/after init_mm pagetable setup. setup_start
- * may reset %cr3, and may pre-install parts of the pagetable;
- * pagetable setup is expected to preserve any existing
- * mapping.
- */
- void (*pagetable_setup_start)(pgd_t *pgd_base);
- void (*pagetable_setup_done)(pgd_t *pgd_base);
-
- /* Print a banner to identify the environment */
- void (*banner)(void);
-
- /* Set and set time of day */
- unsigned long (*get_wallclock)(void);
- int (*set_wallclock)(unsigned long);
-
- /* cpuid emulation, mostly so that caps bits can be disabled */
- void (*cpuid)(unsigned int *eax, unsigned int *ebx,
- unsigned int *ecx, unsigned int *edx);
-
- /* hooks for various privileged instructions */
- unsigned long (*get_debugreg)(int regno);
- void (*set_debugreg)(int regno, unsigned long value);
-
- void (*clts)(void);
-
- unsigned long (*read_cr0)(void);
- void (*write_cr0)(unsigned long);
-
- unsigned long (*read_cr2)(void);
- void (*write_cr2)(unsigned long);
-
- unsigned long (*read_cr3)(void);
- void (*write_cr3)(unsigned long);
-
- unsigned long (*read_cr4_safe)(void);
- unsigned long (*read_cr4)(void);
- void (*write_cr4)(unsigned long);
-
- /*
- * Get/set interrupt state. save_fl and restore_fl are only
- * expected to use X86_EFLAGS_IF; all other bits
- * returned from save_fl are undefined, and may be ignored by
- * restore_fl.
- */
- 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);
-
- /* MSR, PMC and TSR operations.
- err = 0/-EFAULT. wrmsr returns 0/-EFAULT. */
- u64 (*read_msr)(unsigned int msr, int *err);
- int (*write_msr)(unsigned int msr, u64 val);
-
- u64 (*read_tsc)(void);
- u64 (*read_pmc)(void);
- unsigned long long (*sched_clock)(void);
- unsigned long (*get_cpu_khz)(void);
-
- /* Segment descriptor handling */
- 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)(struct desc_struct *,
- int entrynum, u32 low, u32 high);
- void (*write_gdt_entry)(struct desc_struct *,
- int entrynum, u32 low, u32 high);
- void (*write_idt_entry)(struct desc_struct *,
- int entrynum, u32 low, u32 high);
- void (*load_esp0)(struct tss_struct *tss, struct thread_struct *t);
-
- void (*set_iopl_mask)(unsigned mask);
- void (*io_delay)(void);
-
- /*
- * Hooks for intercepting the creation/use/destruction of an
- * mm_struct.
- */
- void (*activate_mm)(struct mm_struct *prev,
- struct mm_struct *next);
- void (*dup_mmap)(struct mm_struct *oldmm,
- struct mm_struct *mm);
- void (*exit_mmap)(struct mm_struct *mm);
-
-#ifdef CONFIG_X86_LOCAL_APIC
- /*
- * Direct APIC operations, principally for VMI. Ideally
- * these shouldn't be in this interface.
- */
- 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);
-
- void (*startup_ipi_hook)(int phys_apicid,
- unsigned long start_eip,
- unsigned long start_esp);
-#endif
-
- /* TLB operations */
- void (*flush_tlb_user)(void);
- void (*flush_tlb_kernel)(void);
- void (*flush_tlb_single)(unsigned long addr);
- void (*flush_tlb_others)(const cpumask_t *cpus, struct mm_struct *mm,
- unsigned long va);
-
- /* Hooks for allocating/releasing pagetable pages */
- void (*alloc_pt)(struct mm_struct *mm, 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);
-
- /* Pagetable manipulation functions */
- void (*set_pte)(pte_t *ptep, pte_t pteval);
- void (*set_pte_at)(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t pteval);
- void (*set_pmd)(pmd_t *pmdp, pmd_t pmdval);
- void (*pte_update)(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
- void (*pte_update_defer)(struct mm_struct *mm,
- unsigned long addr, pte_t *ptep);
-
-#ifdef CONFIG_HIGHPTE
- void *(*kmap_atomic_pte)(struct page *page, enum km_type type);
-#endif
-
-#ifdef CONFIG_X86_PAE
- 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);
-
- unsigned long long (*pte_val)(pte_t);
- unsigned long long (*pmd_val)(pmd_t);
- unsigned long long (*pgd_val)(pgd_t);
-
- pte_t (*make_pte)(unsigned long long pte);
- pmd_t (*make_pmd)(unsigned long long pmd);
- pgd_t (*make_pgd)(unsigned long long pgd);
-#else
- unsigned long (*pte_val)(pte_t);
- unsigned long (*pgd_val)(pgd_t);
-
- pte_t (*make_pte)(unsigned long pte);
- pgd_t (*make_pgd)(unsigned long pgd);
-#endif
-
- /* Set deferred update mode, used for batching operations. */
- void (*set_lazy_mode)(enum paravirt_lazy_mode mode);
-
- /* These two are jmp to, not actually called. */
- void (*irq_enable_sysexit)(void);
- void (*iret)(void);
-};
-
-extern struct paravirt_ops paravirt_ops;
-
-#define PARAVIRT_PATCH(x) \
- (offsetof(struct paravirt_ops, x) / sizeof(void *))
-
-#define paravirt_type(type) \
- [paravirt_typenum] "i" (PARAVIRT_PATCH(type))
-#define paravirt_clobber(clobber) \
- [paravirt_clobber] "i" (clobber)
-
-/*
- * Generate some code, and mark it as patchable by the
- * apply_paravirt() alternate instruction patcher.
- */
-#define _paravirt_alt(insn_string, type, clobber) \
- "771:\n\t" insn_string "\n" "772:\n" \
- ".pushsection .parainstructions,\"a\"\n" \
- " .long 771b\n" \
- " .byte " type "\n" \
- " .byte 772b-771b\n" \
- " .short " clobber "\n" \
- ".popsection\n"
-
-/* Generate patchable code, with the default asm parameters. */
-#define paravirt_alt(insn_string) \
- _paravirt_alt(insn_string, "%c[paravirt_typenum]", "%c[paravirt_clobber]")
-
-unsigned paravirt_patch_nop(void);
-unsigned paravirt_patch_ignore(unsigned len);
-unsigned paravirt_patch_call(void *insnbuf,
- const void *target, u16 tgt_clobbers,
- unsigned long addr, u16 site_clobbers,
- unsigned len);
-unsigned paravirt_patch_jmp(const void *target, void *insnbuf,
- unsigned long addr, unsigned len);
-unsigned paravirt_patch_default(u8 type, u16 clobbers, void *insnbuf,
- unsigned long addr, unsigned len);
-
-unsigned paravirt_patch_insns(void *insnbuf, unsigned len,
- const char *start, const char *end);
-
-int paravirt_disable_iospace(void);
-
-/*
- * This generates an indirect call based on the operation type number.
- * The type number, computed in PARAVIRT_PATCH, is derived from the
- * offset into the paravirt_ops structure, and can therefore be freely
- * converted back into a structure offset.
- */
-#define PARAVIRT_CALL "call *(paravirt_ops+%c[paravirt_typenum]*4);"
-
-/*
- * These macros are intended to wrap calls into a paravirt_ops
- * operation, so that they can be later identified and patched at
- * runtime.
- *
- * Normally, a call to a pv_op function is a simple indirect call:
- * (paravirt_ops.operations)(args...).
- *
- * Unfortunately, this is a relatively slow operation for modern CPUs,
- * because it cannot necessarily determine what the destination
- * address is. In this case, the address is a runtime constant, so at
- * the very least we can patch the call to e a simple direct call, or
- * ideally, patch an inline implementation into the callsite. (Direct
- * calls are essentially free, because the call and return addresses
- * are completely predictable.)
- *
- * These macros rely on the standard gcc "regparm(3)" calling
- * convention, in which the first three arguments are placed in %eax,
- * %edx, %ecx (in that order), and the remaining arguments are placed
- * on the stack. All caller-save registers (eax,edx,ecx) are expected
- * to be modified (either clobbered or used for return values).
- *
- * The call instruction itself is marked by placing its start address
- * and size into the .parainstructions section, so that
- * apply_paravirt() in arch/i386/kernel/alternative.c can do the
- * appropriate patching under the control of the backend paravirt_ops
- * implementation.
- *
- * Unfortunately there's no way to get gcc to generate the args setup
- * for the call, and then allow the call itself to be generated by an
- * inline asm. Because of this, we must do the complete arg setup and
- * return value handling from within these macros. This is fairly
- * cumbersome.
- *
- * There are 5 sets of PVOP_* macros for dealing with 0-4 arguments.
- * It could be extended to more arguments, but there would be little
- * to be gained from that. For each number of arguments, there are
- * the two VCALL and CALL variants for void and non-void functions.
- *
- * When there is a return value, the invoker of the macro must specify
- * the return type. The macro then uses sizeof() on that type to
- * determine whether its a 32 or 64 bit value, and places the return
- * in the right register(s) (just %eax for 32-bit, and %edx:%eax for
- * 64-bit).
- *
- * 64-bit arguments are passed as a pair of adjacent 32-bit arguments
- * in low,high order.
- *
- * Small structures are passed and returned in registers. The macro
- * calling convention can't directly deal with this, so the wrapper
- * functions must do this.
- *
- * These PVOP_* macros are only defined within this header. This
- * means that all uses must be wrapped in inline functions. This also
- * makes sure the incoming and outgoing types are always correct.
- */
-#define __PVOP_CALL(rettype, op, pre, post, ...) \
- ({ \
- rettype __ret; \
- unsigned long __eax, __edx, __ecx; \
- if (sizeof(rettype) > sizeof(unsigned long)) { \
- asm volatile(pre \
- paravirt_alt(PARAVIRT_CALL) \
- post \
- : "=a" (__eax), "=d" (__edx), \
- "=c" (__ecx) \
- : paravirt_type(op), \
- paravirt_clobber(CLBR_ANY), \
- ##__VA_ARGS__ \
- : "memory", "cc"); \
- __ret = (rettype)((((u64)__edx) << 32) | __eax); \
- } else { \
- asm volatile(pre \
- paravirt_alt(PARAVIRT_CALL) \
- post \
- : "=a" (__eax), "=d" (__edx), \
- "=c" (__ecx) \
- : paravirt_type(op), \
- paravirt_clobber(CLBR_ANY), \
- ##__VA_ARGS__ \
- : "memory", "cc"); \
- __ret = (rettype)__eax; \
- } \
- __ret; \
- })
-#define __PVOP_VCALL(op, pre, post, ...) \
- ({ \
- unsigned long __eax, __edx, __ecx; \
- asm volatile(pre \
- paravirt_alt(PARAVIRT_CALL) \
- post \
- : "=a" (__eax), "=d" (__edx), "=c" (__ecx) \
- : paravirt_type(op), \
- paravirt_clobber(CLBR_ANY), \
- ##__VA_ARGS__ \
- : "memory", "cc"); \
- })
-
-#define PVOP_CALL0(rettype, op) \
- __PVOP_CALL(rettype, op, "", "")
-#define PVOP_VCALL0(op) \
- __PVOP_VCALL(op, "", "")
-
-#define PVOP_CALL1(rettype, op, arg1) \
- __PVOP_CALL(rettype, op, "", "", "0" ((u32)(arg1)))
-#define PVOP_VCALL1(op, arg1) \
- __PVOP_VCALL(op, "", "", "0" ((u32)(arg1)))
-
-#define PVOP_CALL2(rettype, op, arg1, arg2) \
- __PVOP_CALL(rettype, op, "", "", "0" ((u32)(arg1)), "1" ((u32)(arg2)))
-#define PVOP_VCALL2(op, arg1, arg2) \
- __PVOP_VCALL(op, "", "", "0" ((u32)(arg1)), "1" ((u32)(arg2)))
-
-#define PVOP_CALL3(rettype, op, arg1, arg2, arg3) \
- __PVOP_CALL(rettype, op, "", "", "0" ((u32)(arg1)), \
- "1"((u32)(arg2)), "2"((u32)(arg3)))
-#define PVOP_VCALL3(op, arg1, arg2, arg3) \
- __PVOP_VCALL(op, "", "", "0" ((u32)(arg1)), "1"((u32)(arg2)), \
- "2"((u32)(arg3)))
-
-#define PVOP_CALL4(rettype, op, arg1, arg2, arg3, arg4) \
- __PVOP_CALL(rettype, op, \
- "push %[_arg4];", "lea 4(%%esp),%%esp;", \
- "0" ((u32)(arg1)), "1" ((u32)(arg2)), \
- "2" ((u32)(arg3)), [_arg4] "mr" ((u32)(arg4)))
-#define PVOP_VCALL4(op, arg1, arg2, arg3, arg4) \
- __PVOP_VCALL(op, \
- "push %[_arg4];", "lea 4(%%esp),%%esp;", \
- "0" ((u32)(arg1)), "1" ((u32)(arg2)), \
- "2" ((u32)(arg3)), [_arg4] "mr" ((u32)(arg4)))
-
-static inline int paravirt_enabled(void)
-{
- return paravirt_ops.paravirt_enabled;
-}
-
-static inline void load_esp0(struct tss_struct *tss,
- struct thread_struct *thread)
-{
- PVOP_VCALL2(load_esp0, tss, thread);
-}
-
-#define ARCH_SETUP paravirt_ops.arch_setup();
-static inline unsigned long get_wallclock(void)
-{
- return PVOP_CALL0(unsigned long, get_wallclock);
-}
-
-static inline int set_wallclock(unsigned long nowtime)
-{
- return PVOP_CALL1(int, set_wallclock, nowtime);
-}
-
-static inline void (*choose_time_init(void))(void)
-{
- return paravirt_ops.time_init;
-}
-
-/* The paravirtualized CPUID instruction. */
-static inline void __cpuid(unsigned int *eax, unsigned int *ebx,
- unsigned int *ecx, unsigned int *edx)
-{
- PVOP_VCALL4(cpuid, eax, ebx, ecx, edx);
-}
-
-/*
- * These special macros can be used to get or set a debugging register
- */
-static inline unsigned long paravirt_get_debugreg(int reg)
-{
- return PVOP_CALL1(unsigned long, get_debugreg, reg);
-}
-#define get_debugreg(var, reg) var = paravirt_get_debugreg(reg)
-static inline void set_debugreg(unsigned long val, int reg)
-{
- PVOP_VCALL2(set_debugreg, reg, val);
-}
-
-static inline void clts(void)
-{
- PVOP_VCALL0(clts);
-}
-
-static inline unsigned long read_cr0(void)
-{
- return PVOP_CALL0(unsigned long, read_cr0);
-}
-
-static inline void write_cr0(unsigned long x)
-{
- PVOP_VCALL1(write_cr0, x);
-}
-
-static inline unsigned long read_cr2(void)
-{
- return PVOP_CALL0(unsigned long, read_cr2);
-}
-
-static inline void write_cr2(unsigned long x)
-{
- PVOP_VCALL1(write_cr2, x);
-}
-
-static inline unsigned long read_cr3(void)
-{
- return PVOP_CALL0(unsigned long, read_cr3);
-}
-
-static inline void write_cr3(unsigned long x)
-{
- PVOP_VCALL1(write_cr3, x);
-}
-
-static inline unsigned long read_cr4(void)
-{
- return PVOP_CALL0(unsigned long, read_cr4);
-}
-static inline unsigned long read_cr4_safe(void)
-{
- return PVOP_CALL0(unsigned long, read_cr4_safe);
-}
-
-static inline void write_cr4(unsigned long x)
-{
- PVOP_VCALL1(write_cr4, x);
-}
-
-static inline void raw_safe_halt(void)
-{
- PVOP_VCALL0(safe_halt);
-}
-
-static inline void halt(void)
-{
- PVOP_VCALL0(safe_halt);
-}
-
-static inline void wbinvd(void)
-{
- PVOP_VCALL0(wbinvd);
-}
-
-#define get_kernel_rpl() (paravirt_ops.kernel_rpl)
-
-static inline u64 paravirt_read_msr(unsigned msr, int *err)
-{
- return PVOP_CALL2(u64, read_msr, msr, err);
-}
-static inline int paravirt_write_msr(unsigned msr, unsigned low, unsigned high)
-{
- return PVOP_CALL3(int, write_msr, msr, low, high);
-}
-
-/* These should all do BUG_ON(_err), but our headers are too tangled. */
-#define rdmsr(msr,val1,val2) do { \
- int _err; \
- u64 _l = paravirt_read_msr(msr, &_err); \
- val1 = (u32)_l; \
- val2 = _l >> 32; \
-} while(0)
-
-#define wrmsr(msr,val1,val2) do { \
- paravirt_write_msr(msr, val1, val2); \
-} while(0)
-
-#define rdmsrl(msr,val) do { \
- int _err; \
- val = paravirt_read_msr(msr, &_err); \
-} while(0)
-
-#define wrmsrl(msr,val) wrmsr(msr, (u32)((u64)(val)), ((u64)(val))>>32)
-#define wrmsr_safe(msr,a,b) paravirt_write_msr(msr, a, b)
-
-/* rdmsr with exception handling */
-#define rdmsr_safe(msr,a,b) ({ \
- int _err; \
- u64 _l = paravirt_read_msr(msr, &_err); \
- (*a) = (u32)_l; \
- (*b) = _l >> 32; \
- _err; })
-
-
-static inline u64 paravirt_read_tsc(void)
-{
- return PVOP_CALL0(u64, read_tsc);
-}
-
-#define rdtscl(low) do { \
- u64 _l = paravirt_read_tsc(); \
- low = (int)_l; \
-} while(0)
-
-#define rdtscll(val) (val = paravirt_read_tsc())
-
-static inline unsigned long long paravirt_sched_clock(void)
-{
- return PVOP_CALL0(unsigned long long, sched_clock);
-}
-#define calculate_cpu_khz() (paravirt_ops.get_cpu_khz())
-
-#define write_tsc(val1,val2) wrmsr(0x10, val1, val2)
-
-static inline unsigned long long paravirt_read_pmc(int counter)
-{
- return PVOP_CALL1(u64, read_pmc, counter);
-}
-
-#define rdpmc(counter,low,high) do { \
- u64 _l = paravirt_read_pmc(counter); \
- low = (u32)_l; \
- high = _l >> 32; \
-} while(0)
-
-static inline void load_TR_desc(void)
-{
- PVOP_VCALL0(load_tr_desc);
-}
-static inline void load_gdt(const struct Xgt_desc_struct *dtr)
-{
- PVOP_VCALL1(load_gdt, dtr);
-}
-static inline void load_idt(const struct Xgt_desc_struct *dtr)
-{
- PVOP_VCALL1(load_idt, dtr);
-}
-static inline void set_ldt(const void *addr, unsigned entries)
-{
- PVOP_VCALL2(set_ldt, addr, entries);
-}
-static inline void store_gdt(struct Xgt_desc_struct *dtr)
-{
- PVOP_VCALL1(store_gdt, dtr);
-}
-static inline void store_idt(struct Xgt_desc_struct *dtr)
-{
- PVOP_VCALL1(store_idt, dtr);
-}
-static inline unsigned long paravirt_store_tr(void)
-{
- return PVOP_CALL0(unsigned long, store_tr);
-}
-#define store_tr(tr) ((tr) = paravirt_store_tr())
-static inline void load_TLS(struct thread_struct *t, unsigned cpu)
-{
- PVOP_VCALL2(load_tls, t, cpu);
-}
-static inline void write_ldt_entry(void *dt, int entry, u32 low, u32 high)
-{
- PVOP_VCALL4(write_ldt_entry, dt, entry, low, high);
-}
-static inline void write_gdt_entry(void *dt, int entry, u32 low, u32 high)
-{
- PVOP_VCALL4(write_gdt_entry, dt, entry, low, high);
-}
-static inline void write_idt_entry(void *dt, int entry, u32 low, u32 high)
-{
- PVOP_VCALL4(write_idt_entry, dt, entry, low, high);
-}
-static inline void set_iopl_mask(unsigned mask)
-{
- PVOP_VCALL1(set_iopl_mask, mask);
-}
-
-/* The paravirtualized I/O functions */
-static inline void slow_down_io(void) {
- paravirt_ops.io_delay();
-#ifdef REALLY_SLOW_IO
- paravirt_ops.io_delay();
- paravirt_ops.io_delay();
- paravirt_ops.io_delay();
-#endif
-}
-
-#ifdef CONFIG_X86_LOCAL_APIC
-/*
- * Basic functions accessing APICs.
- */
-static inline void apic_write(unsigned long reg, unsigned long v)
-{
- PVOP_VCALL2(apic_write, reg, v);
-}
-
-static inline void apic_write_atomic(unsigned long reg, unsigned long v)
-{
- PVOP_VCALL2(apic_write_atomic, reg, v);
-}
-
-static inline unsigned long apic_read(unsigned long reg)
-{
- return PVOP_CALL1(unsigned long, apic_read, reg);
-}
-
-static inline void setup_boot_clock(void)
-{
- PVOP_VCALL0(setup_boot_clock);
-}
-
-static inline void setup_secondary_clock(void)
-{
- PVOP_VCALL0(setup_secondary_clock);
-}
-#endif
-
-static inline void paravirt_post_allocator_init(void)
-{
- if (paravirt_ops.post_allocator_init)
- (*paravirt_ops.post_allocator_init)();
-}
-
-static inline void paravirt_pagetable_setup_start(pgd_t *base)
-{
- if (paravirt_ops.pagetable_setup_start)
- (*paravirt_ops.pagetable_setup_start)(base);
-}
-
-static inline void paravirt_pagetable_setup_done(pgd_t *base)
-{
- if (paravirt_ops.pagetable_setup_done)
- (*paravirt_ops.pagetable_setup_done)(base);
-}
-
-#ifdef CONFIG_SMP
-static inline void startup_ipi_hook(int phys_apicid, unsigned long start_eip,
- unsigned long start_esp)
-{
- PVOP_VCALL3(startup_ipi_hook, phys_apicid, start_eip, start_esp);
-}
-#endif
-
-static inline void paravirt_activate_mm(struct mm_struct *prev,
- struct mm_struct *next)
-{
- PVOP_VCALL2(activate_mm, prev, next);
-}
-
-static inline void arch_dup_mmap(struct mm_struct *oldmm,
- struct mm_struct *mm)
-{
- PVOP_VCALL2(dup_mmap, oldmm, mm);
-}
-
-static inline void arch_exit_mmap(struct mm_struct *mm)
-{
- PVOP_VCALL1(exit_mmap, mm);
-}
-
-static inline void __flush_tlb(void)
-{
- PVOP_VCALL0(flush_tlb_user);
-}
-static inline void __flush_tlb_global(void)
-{
- PVOP_VCALL0(flush_tlb_kernel);
-}
-static inline void __flush_tlb_single(unsigned long addr)
-{
- PVOP_VCALL1(flush_tlb_single, addr);
-}
-
-static inline void flush_tlb_others(cpumask_t cpumask, struct mm_struct *mm,
- unsigned long va)
-{
- PVOP_VCALL3(flush_tlb_others, &cpumask, mm, va);
-}
-
-static inline void paravirt_alloc_pt(struct mm_struct *mm, unsigned pfn)
-{
- PVOP_VCALL2(alloc_pt, mm, pfn);
-}
-static inline void paravirt_release_pt(unsigned pfn)
-{
- PVOP_VCALL1(release_pt, pfn);
-}
-
-static inline void paravirt_alloc_pd(unsigned pfn)
-{
- PVOP_VCALL1(alloc_pd, pfn);
-}
-
-static inline void paravirt_alloc_pd_clone(unsigned pfn, unsigned clonepfn,
- unsigned start, unsigned count)
-{
- PVOP_VCALL4(alloc_pd_clone, pfn, clonepfn, start, count);
-}
-static inline void paravirt_release_pd(unsigned pfn)
-{
- PVOP_VCALL1(release_pd, pfn);
-}
-
-#ifdef CONFIG_HIGHPTE
-static inline void *kmap_atomic_pte(struct page *page, enum km_type type)
-{
- unsigned long ret;
- ret = PVOP_CALL2(unsigned long, kmap_atomic_pte, page, type);
- return (void *)ret;
-}
-#endif
-
-static inline void pte_update(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep)
-{
- PVOP_VCALL3(pte_update, mm, addr, ptep);
-}
-
-static inline void pte_update_defer(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep)
-{
- PVOP_VCALL3(pte_update_defer, mm, addr, ptep);
-}
-
-#ifdef CONFIG_X86_PAE
-static inline pte_t __pte(unsigned long long val)
-{
- unsigned long long ret = PVOP_CALL2(unsigned long long, make_pte,
- val, val >> 32);
- return (pte_t) { ret, ret >> 32 };
-}
-
-static inline pmd_t __pmd(unsigned long long val)
-{
- return (pmd_t) { PVOP_CALL2(unsigned long long, make_pmd, val, val >> 32) };
-}
-
-static inline pgd_t __pgd(unsigned long long val)
-{
- return (pgd_t) { PVOP_CALL2(unsigned long long, make_pgd, val, val >> 32) };
-}
-
-static inline unsigned long long pte_val(pte_t x)
-{
- return PVOP_CALL2(unsigned long long, pte_val, x.pte_low, x.pte_high);
-}
-
-static inline unsigned long long pmd_val(pmd_t x)
-{
- return PVOP_CALL2(unsigned long long, pmd_val, x.pmd, x.pmd >> 32);
-}
-
-static inline unsigned long long pgd_val(pgd_t x)
-{
- return PVOP_CALL2(unsigned long long, pgd_val, x.pgd, x.pgd >> 32);
-}
-
-static inline void set_pte(pte_t *ptep, pte_t pteval)
-{
- PVOP_VCALL3(set_pte, ptep, pteval.pte_low, pteval.pte_high);
-}
-
-static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t pteval)
-{
- /* 5 arg words */
- paravirt_ops.set_pte_at(mm, addr, ptep, pteval);
-}
-
-static inline void set_pte_atomic(pte_t *ptep, pte_t pteval)
-{
- PVOP_VCALL3(set_pte_atomic, ptep, pteval.pte_low, pteval.pte_high);
-}
-
-static inline void set_pte_present(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t pte)
-{
- /* 5 arg words */
- paravirt_ops.set_pte_present(mm, addr, ptep, pte);
-}
-
-static inline void set_pmd(pmd_t *pmdp, pmd_t pmdval)
-{
- PVOP_VCALL3(set_pmd, pmdp, pmdval.pmd, pmdval.pmd >> 32);
-}
-
-static inline void set_pud(pud_t *pudp, pud_t pudval)
-{
- PVOP_VCALL3(set_pud, pudp, pudval.pgd.pgd, pudval.pgd.pgd >> 32);
-}
-
-static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
-{
- PVOP_VCALL3(pte_clear, mm, addr, ptep);
-}
-
-static inline void pmd_clear(pmd_t *pmdp)
-{
- PVOP_VCALL1(pmd_clear, pmdp);
-}
-
-#else /* !CONFIG_X86_PAE */
-
-static inline pte_t __pte(unsigned long val)
-{
- return (pte_t) { PVOP_CALL1(unsigned long, make_pte, val) };
-}
-
-static inline pgd_t __pgd(unsigned long val)
-{
- return (pgd_t) { PVOP_CALL1(unsigned long, make_pgd, val) };
-}
-
-static inline unsigned long pte_val(pte_t x)
-{
- return PVOP_CALL1(unsigned long, pte_val, x.pte_low);
-}
-
-static inline unsigned long pgd_val(pgd_t x)
-{
- return PVOP_CALL1(unsigned long, pgd_val, x.pgd);
-}
-
-static inline void set_pte(pte_t *ptep, pte_t pteval)
-{
- PVOP_VCALL2(set_pte, ptep, pteval.pte_low);
-}
-
-static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t pteval)
-{
- PVOP_VCALL4(set_pte_at, mm, addr, ptep, pteval.pte_low);
-}
-
-static inline void set_pmd(pmd_t *pmdp, pmd_t pmdval)
-{
- PVOP_VCALL2(set_pmd, pmdp, pmdval.pud.pgd.pgd);
-}
-#endif /* CONFIG_X86_PAE */
-
-#define __HAVE_ARCH_ENTER_LAZY_CPU_MODE
-static inline void arch_enter_lazy_cpu_mode(void)
-{
- PVOP_VCALL1(set_lazy_mode, PARAVIRT_LAZY_CPU);
-}
-
-static inline void arch_leave_lazy_cpu_mode(void)
-{
- PVOP_VCALL1(set_lazy_mode, PARAVIRT_LAZY_NONE);
-}
-
-static inline void arch_flush_lazy_cpu_mode(void)
-{
- PVOP_VCALL1(set_lazy_mode, PARAVIRT_LAZY_FLUSH);
-}
-
-
-#define __HAVE_ARCH_ENTER_LAZY_MMU_MODE
-static inline void arch_enter_lazy_mmu_mode(void)
-{
- PVOP_VCALL1(set_lazy_mode, PARAVIRT_LAZY_MMU);
-}
-
-static inline void arch_leave_lazy_mmu_mode(void)
-{
- PVOP_VCALL1(set_lazy_mode, PARAVIRT_LAZY_NONE);
-}
-
-static inline void arch_flush_lazy_mmu_mode(void)
-{
- PVOP_VCALL1(set_lazy_mode, PARAVIRT_LAZY_FLUSH);
-}
-
-void _paravirt_nop(void);
-#define paravirt_nop ((void *)_paravirt_nop)
-
-/* These all sit in the .parainstructions section to tell us what to patch. */
-struct paravirt_patch_site {
- u8 *instr; /* original instructions */
- u8 instrtype; /* type of this instruction */
- u8 len; /* length of original instruction */
- u16 clobbers; /* what registers you may clobber */
-};
-
-extern struct paravirt_patch_site __parainstructions[],
- __parainstructions_end[];
-
-static inline unsigned long __raw_local_save_flags(void)
-{
- unsigned long f;
-
- asm volatile(paravirt_alt("pushl %%ecx; pushl %%edx;"
- PARAVIRT_CALL
- "popl %%edx; popl %%ecx")
- : "=a"(f)
- : paravirt_type(save_fl),
- paravirt_clobber(CLBR_EAX)
- : "memory", "cc");
- return f;
-}
-
-static inline void raw_local_irq_restore(unsigned long f)
-{
- asm volatile(paravirt_alt("pushl %%ecx; pushl %%edx;"
- PARAVIRT_CALL
- "popl %%edx; popl %%ecx")
- : "=a"(f)
- : "0"(f),
- paravirt_type(restore_fl),
- paravirt_clobber(CLBR_EAX)
- : "memory", "cc");
-}
-
-static inline void raw_local_irq_disable(void)
-{
- asm volatile(paravirt_alt("pushl %%ecx; pushl %%edx;"
- PARAVIRT_CALL
- "popl %%edx; popl %%ecx")
- :
- : paravirt_type(irq_disable),
- paravirt_clobber(CLBR_EAX)
- : "memory", "eax", "cc");
-}
-
-static inline void raw_local_irq_enable(void)
-{
- asm volatile(paravirt_alt("pushl %%ecx; pushl %%edx;"
- PARAVIRT_CALL
- "popl %%edx; popl %%ecx")
- :
- : paravirt_type(irq_enable),
- paravirt_clobber(CLBR_EAX)
- : "memory", "eax", "cc");
-}
-
-static inline unsigned long __raw_local_irq_save(void)
-{
- unsigned long f;
-
- f = __raw_local_save_flags();
- raw_local_irq_disable();
- return f;
-}
-
-#define CLI_STRING \
- _paravirt_alt("pushl %%ecx; pushl %%edx;" \
- "call *paravirt_ops+%c[paravirt_cli_type]*4;" \
- "popl %%edx; popl %%ecx", \
- "%c[paravirt_cli_type]", "%c[paravirt_clobber]")
-
-#define STI_STRING \
- _paravirt_alt("pushl %%ecx; pushl %%edx;" \
- "call *paravirt_ops+%c[paravirt_sti_type]*4;" \
- "popl %%edx; popl %%ecx", \
- "%c[paravirt_sti_type]", "%c[paravirt_clobber]")
-
-#define CLI_STI_CLOBBERS , "%eax"
-#define CLI_STI_INPUT_ARGS \
- , \
- [paravirt_cli_type] "i" (PARAVIRT_PATCH(irq_disable)), \
- [paravirt_sti_type] "i" (PARAVIRT_PATCH(irq_enable)), \
- paravirt_clobber(CLBR_EAX)
-
-/* Make sure as little as possible of this mess escapes. */
-#undef PARAVIRT_CALL
-#undef __PVOP_CALL
-#undef __PVOP_VCALL
-#undef PVOP_VCALL0
-#undef PVOP_CALL0
-#undef PVOP_VCALL1
-#undef PVOP_CALL1
-#undef PVOP_VCALL2
-#undef PVOP_CALL2
-#undef PVOP_VCALL3
-#undef PVOP_CALL3
-#undef PVOP_VCALL4
-#undef PVOP_CALL4
-
-#else /* __ASSEMBLY__ */
-
-#define PARA_PATCH(off) ((off) / 4)
-
-#define PARA_SITE(ptype, clobbers, ops) \
-771:; \
- ops; \
-772:; \
- .pushsection .parainstructions,"a"; \
- .long 771b; \
- .byte ptype; \
- .byte 772b-771b; \
- .short clobbers; \
- .popsection
-
-#define INTERRUPT_RETURN \
- PARA_SITE(PARA_PATCH(PARAVIRT_iret), CLBR_NONE, \
- jmp *%cs:paravirt_ops+PARAVIRT_iret)
-
-#define DISABLE_INTERRUPTS(clobbers) \
- PARA_SITE(PARA_PATCH(PARAVIRT_irq_disable), clobbers, \
- pushl %eax; pushl %ecx; pushl %edx; \
- call *%cs:paravirt_ops+PARAVIRT_irq_disable; \
- popl %edx; popl %ecx; popl %eax) \
-
-#define ENABLE_INTERRUPTS(clobbers) \
- PARA_SITE(PARA_PATCH(PARAVIRT_irq_enable), clobbers, \
- pushl %eax; pushl %ecx; pushl %edx; \
- call *%cs:paravirt_ops+PARAVIRT_irq_enable; \
- popl %edx; popl %ecx; popl %eax)
-
-#define ENABLE_INTERRUPTS_SYSEXIT \
- PARA_SITE(PARA_PATCH(PARAVIRT_irq_enable_sysexit), CLBR_NONE, \
- jmp *%cs:paravirt_ops+PARAVIRT_irq_enable_sysexit)
-
-#define GET_CR0_INTO_EAX \
- push %ecx; push %edx; \
- call *paravirt_ops+PARAVIRT_read_cr0; \
- pop %edx; pop %ecx
-
-#endif /* __ASSEMBLY__ */
-#endif /* CONFIG_PARAVIRT */
-#endif /* __ASM_PARAVIRT_H */