1e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima/* 2e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima** Copyright (c) 2011, Intel Corporation 3e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima** 4e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima** This software is licensed under the terms of the GNU General Public 5e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima** License version 2, as published by the Free Software Foundation, and 6e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima** may be copied, distributed, and modified under those terms. 7e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima** 8e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima** This program is distributed in the hope that it will be useful, 9e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima** but WITHOUT ANY WARRANTY; without even the implied warranty of 10e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima** GNU General Public License for more details. 12e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima*/ 13e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima 14e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#ifndef __HAX_UNIX_H 15e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#define __HAX_UNIX_H 16e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima 17e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#include <sys/types.h> 18e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#include <sys/ioctl.h> 19e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#include <sys/mman.h> 20e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#include <stdarg.h> 21e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima 22e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#define HAX_INVALID_FD (-1) 23e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajimastatic inline int hax_invalid_fd(hax_fd fd) 24e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima{ 25e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima return fd <= 0; 26e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima} 27e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima 28e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajimastatic inline void hax_mod_close(struct hax_state *hax) 29e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima{ 30e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima close(hax->fd); 31e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima} 32e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima 33e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajimastatic inline void hax_close_fd(hax_fd fd) 34e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima{ 35e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima close(fd); 36e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima} 37e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima 38e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima/* HAX model level ioctl */ 39e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima/* Get API version the HAX driver supports */ 40e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#define HAX_IOCTL_VERSION _IOWR(0, 0x20, struct hax_module_version) 41e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima/* Create VM instance and return the vm_id */ 42e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#define HAX_IOCTL_CREATE_VM _IOWR(0, 0x21, int) 434a5a0efd49f100c7d53920807c83d9c74304ecd8Jiang, Yunhong/* Get HAXM capability information */ 444a5a0efd49f100c7d53920807c83d9c74304ecd8Jiang, Yunhong#define HAX_IOCTL_CAPABILITY _IOR(0, 0x23, struct hax_capabilityinfo) 45e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima 46e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima/* Pass down a VM_ID, create a VCPU instance for it */ 47e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#define HAX_VM_IOCTL_VCPU_CREATE _IOR(0, 0x80, int) 48e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima/* 49e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima * Allocate guest memory, the step of allocate guest memory is: 50e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima * 1. QEMU will allocate the virtual address to cover the guest memory ranges 51e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima * 2. QEMU passing down the virtual address and length in the 52e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima * HAX_VM_IOCTL_ALLOC_RAM ioctl through hax_alloc_ram_info structure 53e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima * 3. HAX driver populate physical memory for the virtual address range, and 54e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima * lock these physical memory lock, so that they will not be swapped out 55e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima * 4. HAX driver map the populated physical memory into kernel address space 56e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima */ 57e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#define HAX_VM_IOCTL_ALLOC_RAM _IOWR(0, 0x81, struct hax_alloc_ram_info) 58e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima/* 59e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima * Setup translation between guest physical address and host physical address 60e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima */ 61e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#define HAX_VM_IOCTL_SET_RAM _IOWR(0, 0x82, struct hax_set_ram_info) 628a539eaab40dc7a8047dbf97c081467029e6c518Jiang, Yunhong 638a539eaab40dc7a8047dbf97c081467029e6c518Jiang, Yunhong/* 648a539eaab40dc7a8047dbf97c081467029e6c518Jiang, Yunhong * QEMU notify HAXM driver of the API version currently in use, so that 658a539eaab40dc7a8047dbf97c081467029e6c518Jiang, Yunhong * HAXM driver will not present features that possibly not supported 668a539eaab40dc7a8047dbf97c081467029e6c518Jiang, Yunhong * by QEMU 678a539eaab40dc7a8047dbf97c081467029e6c518Jiang, Yunhong */ 688a539eaab40dc7a8047dbf97c081467029e6c518Jiang, Yunhong#define HAX_VM_IOCTL_NOTIFY_QEMU_VERSION _IOW(0, 0x84, struct hax_qemu_version) 698a539eaab40dc7a8047dbf97c081467029e6c518Jiang, Yunhong 70e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima/* Run the guest in non-root mode */ 71e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#define HAX_VCPU_IOCTL_RUN _IO(0, 0xc0) 72e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima/* Sync QEMU's guest MSR value to HAX driver */ 73e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#define HAX_VCPU_IOCTL_SET_MSRS _IOWR(0, 0xc1, struct hax_msr_data) 74e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima/* Sync HAX driver's guest MSR value to QEMU */ 75e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#define HAX_VCPU_IOCTL_GET_MSRS _IOWR(0, 0xc2, struct hax_msr_data) 76e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#define HAX_VCPU_IOCTL_SET_FPU _IOW(0, 0xc3, struct fx_layout) 77e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#define HAX_VCPU_IOCTL_GET_FPU _IOR(0, 0xc4, struct fx_layout) 78e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima 79e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima/* Setup HAX tunnel, see structure hax_tunnel comments in hax-interface.h */ 80e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#define HAX_VCPU_IOCTL_SETUP_TUNNEL _IOWR(0, 0xc5, struct hax_tunnel_info) 81e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima/* A interrupt need to be injected into guest */ 82e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#define HAX_VCPU_IOCTL_INTERRUPT _IOWR(0, 0xc6, uint32_t) 83e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#define HAX_VCPU_SET_REGS _IOWR(0, 0xc7, struct vcpu_state_t) 84e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#define HAX_VCPU_GET_REGS _IOWR(0, 0xc8, struct vcpu_state_t) 85e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima 86e4a3c7801e0075a49674c79972394ad962b338f2Jun Nakajima#endif /* __HAX_UNIX_H */ 87