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kaf24@plym.cl.cam.ac.uk
5e80fc2b6b
hypervisor.h, hypervisor-if.h: Rationalise shared headers .del-network.h~8d81c314a6f640c7: Delete: xenolinux-2.4.16-sparse/include/asm-xeno/hypervisor-ifs/network.h .del-hypervisor-if.h~84873ad1c6355e9c: Delete: xenolinux-2.4.16-sparse/include/asm-xeno/hypervisor-ifs/hypervisor-if.h .del-block.h~60136f987cd3e137: Delete: xenolinux-2.4.16-sparse/include/asm-xeno/hypervisor-ifs/block.h
167 lines
3.4 KiB
C
167 lines
3.4 KiB
C
/******************************************************************************
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* hypervisor.h
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*
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* Linux-specific hypervisor handling.
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*
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* Copyright (c) 2002, K A Fraser
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*/
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#ifndef __HYPERVISOR_H__
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#define __HYPERVISOR_H__
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#include <asm/hypervisor-ifs/hypervisor-if.h>
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#include <asm/ptrace.h>
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/* arch/xeno/kernel/setup.c */
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union start_info_union
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{
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start_info_t start_info;
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char padding[512];
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};
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extern union start_info_union start_info_union;
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#define start_info (start_info_union.start_info)
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/* arch/xeno/kernel/hypervisor.c */
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void do_hypervisor_callback(struct pt_regs *regs);
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/* arch/xeno/mm/hypervisor.c */
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/*
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* NB. ptr values should be fake-physical. 'vals' should be alread
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* fully adjusted (ie. for start_info.phys_base).
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*/
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void queue_l1_entry_update(unsigned long ptr, unsigned long val);
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void queue_l2_entry_update(unsigned long ptr, unsigned long val);
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void queue_baseptr_create(unsigned long ptr);
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void queue_baseptr_remove(unsigned long ptr);
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void queue_tlb_flush(void);
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void queue_tlb_flush_one(unsigned long ptr);
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void flush_page_update_queue(void);
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/*
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* Assembler stubs for hyper-calls.
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*/
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static inline int HYPERVISOR_set_trap_table(trap_info_t *table)
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{
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int ret;
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__asm__ __volatile__ (
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TRAP_INSTR
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: "=a" (ret) : "0" (__HYPERVISOR_set_trap_table),
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"b" (table) );
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return ret;
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}
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static inline int HYPERVISOR_pt_update(page_update_request_t *req, int count)
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{
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int ret;
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__asm__ __volatile__ (
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TRAP_INSTR
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: "=a" (ret) : "0" (__HYPERVISOR_pt_update),
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"b" (req), "c" (count) );
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return ret;
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}
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static inline int HYPERVISOR_console_write(const char *str, int count)
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{
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int ret;
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__asm__ __volatile__ (
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TRAP_INSTR
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: "=a" (ret) : "0" (__HYPERVISOR_console_write),
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"b" (str), "c" (count) );
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return ret;
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}
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static inline int HYPERVISOR_set_pagetable(unsigned long ptr)
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{
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int ret;
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__asm__ __volatile__ (
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TRAP_INSTR
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: "=a" (ret) : "0" (__HYPERVISOR_set_pagetable),
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"b" (ptr) );
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return ret;
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}
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static inline int HYPERVISOR_set_guest_stack(
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unsigned long ss, unsigned long esp)
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{
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int ret;
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__asm__ __volatile__ (
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TRAP_INSTR
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: "=a" (ret) : "0" (__HYPERVISOR_set_guest_stack),
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"b" (ss), "c" (esp) );
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return ret;
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}
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static inline int HYPERVISOR_net_update(void)
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{
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int ret;
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__asm__ __volatile__ (
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TRAP_INSTR
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: "=a" (ret) : "0" (__HYPERVISOR_net_update) );
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return ret;
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}
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static inline int HYPERVISOR_fpu_taskswitch(void)
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{
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int ret;
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__asm__ __volatile__ (
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TRAP_INSTR
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: "=a" (ret) : "0" (__HYPERVISOR_fpu_taskswitch) );
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return ret;
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}
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static inline int HYPERVISOR_yield(void)
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{
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int ret;
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__asm__ __volatile__ (
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TRAP_INSTR
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: "=a" (ret) : "0" (__HYPERVISOR_yield) );
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return ret;
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}
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static inline int HYPERVISOR_exit(void)
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{
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int ret;
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__asm__ __volatile__ (
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TRAP_INSTR
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: "=a" (ret) : "0" (__HYPERVISOR_exit) );
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return ret;
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}
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static inline int HYPERVISOR_dom0_op(void *dom0_op)
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{
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int ret;
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__asm__ __volatile__ (
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TRAP_INSTR
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: "=a" (ret) : "0" (__HYPERVISOR_dom0_op),
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"b" (dom0_op) : "memory" );
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return ret;
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}
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static inline int HYPERVISOR_network_op(void *network_op)
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{
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int ret;
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__asm__ __volatile__ (
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TRAP_INSTR
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: "=a" (ret) : "0" (__HYPERVISOR_network_op),
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"b" (network_op) );
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return ret;
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}
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#endif /* __HYPERVISOR_H__ */
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