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Diffstat (limited to 'include/asm-i386/xen/hypercall.h')
-rw-r--r-- | include/asm-i386/xen/hypercall.h | 413 |
1 files changed, 0 insertions, 413 deletions
diff --git a/include/asm-i386/xen/hypercall.h b/include/asm-i386/xen/hypercall.h deleted file mode 100644 index bc0ee7d961c..00000000000 --- a/include/asm-i386/xen/hypercall.h +++ /dev/null @@ -1,413 +0,0 @@ -/****************************************************************************** - * hypercall.h - * - * Linux-specific hypervisor handling. - * - * Copyright (c) 2002-2004, K A Fraser - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation; or, when distributed - * separately from the Linux kernel or incorporated into other - * software packages, subject to the following license: - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this source file (the "Software"), to deal in the Software without - * restriction, including without limitation the rights to use, copy, modify, - * merge, publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#ifndef __HYPERCALL_H__ -#define __HYPERCALL_H__ - -#include <linux/errno.h> -#include <linux/string.h> - -#include <xen/interface/xen.h> -#include <xen/interface/sched.h> -#include <xen/interface/physdev.h> - -extern struct { char _entry[32]; } hypercall_page[]; - -#define _hypercall0(type, name) \ -({ \ - long __res; \ - asm volatile ( \ - "call %[call]" \ - : "=a" (__res) \ - : [call] "m" (hypercall_page[__HYPERVISOR_##name]) \ - : "memory" ); \ - (type)__res; \ -}) - -#define _hypercall1(type, name, a1) \ -({ \ - long __res, __ign1; \ - asm volatile ( \ - "call %[call]" \ - : "=a" (__res), "=b" (__ign1) \ - : "1" ((long)(a1)), \ - [call] "m" (hypercall_page[__HYPERVISOR_##name]) \ - : "memory" ); \ - (type)__res; \ -}) - -#define _hypercall2(type, name, a1, a2) \ -({ \ - long __res, __ign1, __ign2; \ - asm volatile ( \ - "call %[call]" \ - : "=a" (__res), "=b" (__ign1), "=c" (__ign2) \ - : "1" ((long)(a1)), "2" ((long)(a2)), \ - [call] "m" (hypercall_page[__HYPERVISOR_##name]) \ - : "memory" ); \ - (type)__res; \ -}) - -#define _hypercall3(type, name, a1, a2, a3) \ -({ \ - long __res, __ign1, __ign2, __ign3; \ - asm volatile ( \ - "call %[call]" \ - : "=a" (__res), "=b" (__ign1), "=c" (__ign2), \ - "=d" (__ign3) \ - : "1" ((long)(a1)), "2" ((long)(a2)), \ - "3" ((long)(a3)), \ - [call] "m" (hypercall_page[__HYPERVISOR_##name]) \ - : "memory" ); \ - (type)__res; \ -}) - -#define _hypercall4(type, name, a1, a2, a3, a4) \ -({ \ - long __res, __ign1, __ign2, __ign3, __ign4; \ - asm volatile ( \ - "call %[call]" \ - : "=a" (__res), "=b" (__ign1), "=c" (__ign2), \ - "=d" (__ign3), "=S" (__ign4) \ - : "1" ((long)(a1)), "2" ((long)(a2)), \ - "3" ((long)(a3)), "4" ((long)(a4)), \ - [call] "m" (hypercall_page[__HYPERVISOR_##name]) \ - : "memory" ); \ - (type)__res; \ -}) - -#define _hypercall5(type, name, a1, a2, a3, a4, a5) \ -({ \ - long __res, __ign1, __ign2, __ign3, __ign4, __ign5; \ - asm volatile ( \ - "call %[call]" \ - : "=a" (__res), "=b" (__ign1), "=c" (__ign2), \ - "=d" (__ign3), "=S" (__ign4), "=D" (__ign5) \ - : "1" ((long)(a1)), "2" ((long)(a2)), \ - "3" ((long)(a3)), "4" ((long)(a4)), \ - "5" ((long)(a5)), \ - [call] "m" (hypercall_page[__HYPERVISOR_##name]) \ - : "memory" ); \ - (type)__res; \ -}) - -static inline int -HYPERVISOR_set_trap_table(struct trap_info *table) -{ - return _hypercall1(int, set_trap_table, table); -} - -static inline int -HYPERVISOR_mmu_update(struct mmu_update *req, int count, - int *success_count, domid_t domid) -{ - return _hypercall4(int, mmu_update, req, count, success_count, domid); -} - -static inline int -HYPERVISOR_mmuext_op(struct mmuext_op *op, int count, - int *success_count, domid_t domid) -{ - return _hypercall4(int, mmuext_op, op, count, success_count, domid); -} - -static inline int -HYPERVISOR_set_gdt(unsigned long *frame_list, int entries) -{ - return _hypercall2(int, set_gdt, frame_list, entries); -} - -static inline int -HYPERVISOR_stack_switch(unsigned long ss, unsigned long esp) -{ - return _hypercall2(int, stack_switch, ss, esp); -} - -static inline int -HYPERVISOR_set_callbacks(unsigned long event_selector, - unsigned long event_address, - unsigned long failsafe_selector, - unsigned long failsafe_address) -{ - return _hypercall4(int, set_callbacks, - event_selector, event_address, - failsafe_selector, failsafe_address); -} - -static inline int -HYPERVISOR_fpu_taskswitch(int set) -{ - return _hypercall1(int, fpu_taskswitch, set); -} - -static inline int -HYPERVISOR_sched_op(int cmd, unsigned long arg) -{ - return _hypercall2(int, sched_op, cmd, arg); -} - -static inline long -HYPERVISOR_set_timer_op(u64 timeout) -{ - unsigned long timeout_hi = (unsigned long)(timeout>>32); - unsigned long timeout_lo = (unsigned long)timeout; - return _hypercall2(long, set_timer_op, timeout_lo, timeout_hi); -} - -static inline int -HYPERVISOR_set_debugreg(int reg, unsigned long value) -{ - return _hypercall2(int, set_debugreg, reg, value); -} - -static inline unsigned long -HYPERVISOR_get_debugreg(int reg) -{ - return _hypercall1(unsigned long, get_debugreg, reg); -} - -static inline int -HYPERVISOR_update_descriptor(u64 ma, u64 desc) -{ - return _hypercall4(int, update_descriptor, ma, ma>>32, desc, desc>>32); -} - -static inline int -HYPERVISOR_memory_op(unsigned int cmd, void *arg) -{ - return _hypercall2(int, memory_op, cmd, arg); -} - -static inline int -HYPERVISOR_multicall(void *call_list, int nr_calls) -{ - return _hypercall2(int, multicall, call_list, nr_calls); -} - -static inline int -HYPERVISOR_update_va_mapping(unsigned long va, pte_t new_val, - unsigned long flags) -{ - unsigned long pte_hi = 0; -#ifdef CONFIG_X86_PAE - pte_hi = new_val.pte_high; -#endif - return _hypercall4(int, update_va_mapping, va, - new_val.pte_low, pte_hi, flags); -} - -static inline int -HYPERVISOR_event_channel_op(int cmd, void *arg) -{ - int rc = _hypercall2(int, event_channel_op, cmd, arg); - if (unlikely(rc == -ENOSYS)) { - struct evtchn_op op; - op.cmd = cmd; - memcpy(&op.u, arg, sizeof(op.u)); - rc = _hypercall1(int, event_channel_op_compat, &op); - memcpy(arg, &op.u, sizeof(op.u)); - } - return rc; -} - -static inline int -HYPERVISOR_xen_version(int cmd, void *arg) -{ - return _hypercall2(int, xen_version, cmd, arg); -} - -static inline int -HYPERVISOR_console_io(int cmd, int count, char *str) -{ - return _hypercall3(int, console_io, cmd, count, str); -} - -static inline int -HYPERVISOR_physdev_op(int cmd, void *arg) -{ - int rc = _hypercall2(int, physdev_op, cmd, arg); - if (unlikely(rc == -ENOSYS)) { - struct physdev_op op; - op.cmd = cmd; - memcpy(&op.u, arg, sizeof(op.u)); - rc = _hypercall1(int, physdev_op_compat, &op); - memcpy(arg, &op.u, sizeof(op.u)); - } - return rc; -} - -static inline int -HYPERVISOR_grant_table_op(unsigned int cmd, void *uop, unsigned int count) -{ - return _hypercall3(int, grant_table_op, cmd, uop, count); -} - -static inline int -HYPERVISOR_update_va_mapping_otherdomain(unsigned long va, pte_t new_val, - unsigned long flags, domid_t domid) -{ - unsigned long pte_hi = 0; -#ifdef CONFIG_X86_PAE - pte_hi = new_val.pte_high; -#endif - return _hypercall5(int, update_va_mapping_otherdomain, va, - new_val.pte_low, pte_hi, flags, domid); -} - -static inline int -HYPERVISOR_vm_assist(unsigned int cmd, unsigned int type) -{ - return _hypercall2(int, vm_assist, cmd, type); -} - -static inline int -HYPERVISOR_vcpu_op(int cmd, int vcpuid, void *extra_args) -{ - return _hypercall3(int, vcpu_op, cmd, vcpuid, extra_args); -} - -static inline int -HYPERVISOR_suspend(unsigned long srec) -{ - return _hypercall3(int, sched_op, SCHEDOP_shutdown, - SHUTDOWN_suspend, srec); -} - -static inline int -HYPERVISOR_nmi_op(unsigned long op, unsigned long arg) -{ - return _hypercall2(int, nmi_op, op, arg); -} - -static inline void -MULTI_update_va_mapping(struct multicall_entry *mcl, unsigned long va, - pte_t new_val, unsigned long flags) -{ - mcl->op = __HYPERVISOR_update_va_mapping; - mcl->args[0] = va; -#ifdef CONFIG_X86_PAE - mcl->args[1] = new_val.pte_low; - mcl->args[2] = new_val.pte_high; -#else - mcl->args[1] = new_val.pte_low; - mcl->args[2] = 0; -#endif - mcl->args[3] = flags; -} - -static inline void -MULTI_grant_table_op(struct multicall_entry *mcl, unsigned int cmd, - void *uop, unsigned int count) -{ - mcl->op = __HYPERVISOR_grant_table_op; - mcl->args[0] = cmd; - mcl->args[1] = (unsigned long)uop; - mcl->args[2] = count; -} - -static inline void -MULTI_update_va_mapping_otherdomain(struct multicall_entry *mcl, unsigned long va, - pte_t new_val, unsigned long flags, - domid_t domid) -{ - mcl->op = __HYPERVISOR_update_va_mapping_otherdomain; - mcl->args[0] = va; -#ifdef CONFIG_X86_PAE - mcl->args[1] = new_val.pte_low; - mcl->args[2] = new_val.pte_high; -#else - mcl->args[1] = new_val.pte_low; - mcl->args[2] = 0; -#endif - mcl->args[3] = flags; - mcl->args[4] = domid; -} - -static inline void -MULTI_update_descriptor(struct multicall_entry *mcl, u64 maddr, - struct desc_struct desc) -{ - mcl->op = __HYPERVISOR_update_descriptor; - mcl->args[0] = maddr; - mcl->args[1] = maddr >> 32; - mcl->args[2] = desc.a; - mcl->args[3] = desc.b; -} - -static inline void -MULTI_memory_op(struct multicall_entry *mcl, unsigned int cmd, void *arg) -{ - mcl->op = __HYPERVISOR_memory_op; - mcl->args[0] = cmd; - mcl->args[1] = (unsigned long)arg; -} - -static inline void -MULTI_mmu_update(struct multicall_entry *mcl, struct mmu_update *req, - int count, int *success_count, domid_t domid) -{ - mcl->op = __HYPERVISOR_mmu_update; - mcl->args[0] = (unsigned long)req; - mcl->args[1] = count; - mcl->args[2] = (unsigned long)success_count; - mcl->args[3] = domid; -} - -static inline void -MULTI_mmuext_op(struct multicall_entry *mcl, struct mmuext_op *op, int count, - int *success_count, domid_t domid) -{ - mcl->op = __HYPERVISOR_mmuext_op; - mcl->args[0] = (unsigned long)op; - mcl->args[1] = count; - mcl->args[2] = (unsigned long)success_count; - mcl->args[3] = domid; -} - -static inline void -MULTI_set_gdt(struct multicall_entry *mcl, unsigned long *frames, int entries) -{ - mcl->op = __HYPERVISOR_set_gdt; - mcl->args[0] = (unsigned long)frames; - mcl->args[1] = entries; -} - -static inline void -MULTI_stack_switch(struct multicall_entry *mcl, - unsigned long ss, unsigned long esp) -{ - mcl->op = __HYPERVISOR_stack_switch; - mcl->args[0] = ss; - mcl->args[1] = esp; -} - -#endif /* __HYPERCALL_H__ */ |