1/* 2** Copyright (c) 2011, Intel Corporation 3** 4** This software is licensed under the terms of the GNU General Public 5** License version 2, as published by the Free Software Foundation, and 6** may be copied, distributed, and modified under those terms. 7** 8** This program is distributed in the hope that it will be useful, 9** but WITHOUT ANY WARRANTY; without even the implied warranty of 10** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11** GNU General Public License for more details. 12*/ 13 14#ifndef __HAX_UNIX_H 15#define __HAX_UNIX_H 16 17#include <sys/types.h> 18#include <sys/ioctl.h> 19#include <sys/mman.h> 20#include <stdarg.h> 21 22#define HAX_INVALID_FD (-1) 23static inline int hax_invalid_fd(hax_fd fd) 24{ 25 return fd <= 0; 26} 27 28static inline void hax_mod_close(struct hax_state *hax) 29{ 30 close(hax->fd); 31} 32 33static inline void hax_close_fd(hax_fd fd) 34{ 35 close(fd); 36} 37 38/* HAX model level ioctl */ 39/* Get API version the HAX driver supports */ 40#define HAX_IOCTL_VERSION _IOWR(0, 0x20, struct hax_module_version) 41/* Create VM instance and return the vm_id */ 42#define HAX_IOCTL_CREATE_VM _IOWR(0, 0x21, int) 43/* Get HAXM capability information */ 44#define HAX_IOCTL_CAPABILITY _IOR(0, 0x23, struct hax_capabilityinfo) 45 46/* Pass down a VM_ID, create a VCPU instance for it */ 47#define HAX_VM_IOCTL_VCPU_CREATE _IOR(0, 0x80, int) 48/* 49 * Allocate guest memory, the step of allocate guest memory is: 50 * 1. QEMU will allocate the virtual address to cover the guest memory ranges 51 * 2. QEMU passing down the virtual address and length in the 52 * HAX_VM_IOCTL_ALLOC_RAM ioctl through hax_alloc_ram_info structure 53 * 3. HAX driver populate physical memory for the virtual address range, and 54 * lock these physical memory lock, so that they will not be swapped out 55 * 4. HAX driver map the populated physical memory into kernel address space 56 */ 57#define HAX_VM_IOCTL_ALLOC_RAM _IOWR(0, 0x81, struct hax_alloc_ram_info) 58/* 59 * Setup translation between guest physical address and host physical address 60 */ 61#define HAX_VM_IOCTL_SET_RAM _IOWR(0, 0x82, struct hax_set_ram_info) 62 63/* 64 * QEMU notify HAXM driver of the API version currently in use, so that 65 * HAXM driver will not present features that possibly not supported 66 * by QEMU 67 */ 68#define HAX_VM_IOCTL_NOTIFY_QEMU_VERSION _IOW(0, 0x84, struct hax_qemu_version) 69 70/* Run the guest in non-root mode */ 71#define HAX_VCPU_IOCTL_RUN _IO(0, 0xc0) 72/* Sync QEMU's guest MSR value to HAX driver */ 73#define HAX_VCPU_IOCTL_SET_MSRS _IOWR(0, 0xc1, struct hax_msr_data) 74/* Sync HAX driver's guest MSR value to QEMU */ 75#define HAX_VCPU_IOCTL_GET_MSRS _IOWR(0, 0xc2, struct hax_msr_data) 76#define HAX_VCPU_IOCTL_SET_FPU _IOW(0, 0xc3, struct fx_layout) 77#define HAX_VCPU_IOCTL_GET_FPU _IOR(0, 0xc4, struct fx_layout) 78 79/* Setup HAX tunnel, see structure hax_tunnel comments in hax-interface.h */ 80#define HAX_VCPU_IOCTL_SETUP_TUNNEL _IOWR(0, 0xc5, struct hax_tunnel_info) 81/* A interrupt need to be injected into guest */ 82#define HAX_VCPU_IOCTL_INTERRUPT _IOWR(0, 0xc6, uint32_t) 83#define HAX_VCPU_SET_REGS _IOWR(0, 0xc7, struct vcpu_state_t) 84#define HAX_VCPU_GET_REGS _IOWR(0, 0xc8, struct vcpu_state_t) 85 86#endif /* __HAX_UNIX_H */ 87