diff options
Diffstat (limited to 'target/i386/hax/hax-windows.c')
| -rw-r--r-- | target/i386/hax/hax-windows.c | 485 |
1 files changed, 0 insertions, 485 deletions
diff --git a/target/i386/hax/hax-windows.c b/target/i386/hax/hax-windows.c deleted file mode 100644 index 4bf6cc08d2..0000000000 --- a/target/i386/hax/hax-windows.c +++ /dev/null @@ -1,485 +0,0 @@ -/* - * QEMU HAXM support - * - * Copyright (c) 2011 Intel Corporation - * Written by: - * Jiang Yunhong<yunhong.jiang@intel.com> - * - * This work is licensed under the terms of the GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. - * - */ - -#include "qemu/osdep.h" -#include "cpu.h" -#include "hax-accel-ops.h" - -/* - * return 0 when success, -1 when driver not loaded, - * other negative value for other failure - */ -static int hax_open_device(hax_fd *fd) -{ - uint32_t errNum = 0; - HANDLE hDevice; - - if (!fd) { - return -2; - } - - hDevice = CreateFile("\\\\.\\HAX", - GENERIC_READ | GENERIC_WRITE, - 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); - - if (hDevice == INVALID_HANDLE_VALUE) { - fprintf(stderr, "Failed to open the HAX device!\n"); - errNum = GetLastError(); - if (errNum == ERROR_FILE_NOT_FOUND) { - return -1; - } - return -2; - } - *fd = hDevice; - return 0; -} - -/* hax_fd hax_mod_open */ - hax_fd hax_mod_open(void) -{ - int ret; - hax_fd fd = NULL; - - ret = hax_open_device(&fd); - if (ret != 0) { - fprintf(stderr, "Open HAX device failed\n"); - } - - return fd; -} - -int hax_populate_ram(uint64_t va, uint64_t size) -{ - int ret; - HANDLE hDeviceVM; - DWORD dSize = 0; - - if (!hax_global.vm || !hax_global.vm->fd) { - fprintf(stderr, "Allocate memory before vm create?\n"); - return -EINVAL; - } - - hDeviceVM = hax_global.vm->fd; - if (hax_global.supports_64bit_ramblock) { - struct hax_ramblock_info ramblock = { - .start_va = va, - .size = size, - .reserved = 0 - }; - - ret = DeviceIoControl(hDeviceVM, - HAX_VM_IOCTL_ADD_RAMBLOCK, - &ramblock, sizeof(ramblock), NULL, 0, &dSize, - (LPOVERLAPPED) NULL); - } else { - struct hax_alloc_ram_info info = { - .size = (uint32_t) size, - .pad = 0, - .va = va - }; - - ret = DeviceIoControl(hDeviceVM, - HAX_VM_IOCTL_ALLOC_RAM, - &info, sizeof(info), NULL, 0, &dSize, - (LPOVERLAPPED) NULL); - } - - if (!ret) { - fprintf(stderr, "Failed to register RAM block: va=0x%" PRIx64 - ", size=0x%" PRIx64 ", method=%s\n", va, size, - hax_global.supports_64bit_ramblock ? "new" : "legacy"); - return ret; - } - - return 0; -} - -int hax_set_ram(uint64_t start_pa, uint32_t size, uint64_t host_va, int flags) -{ - struct hax_set_ram_info info; - HANDLE hDeviceVM = hax_global.vm->fd; - DWORD dSize = 0; - int ret; - - info.pa_start = start_pa; - info.size = size; - info.va = host_va; - info.flags = (uint8_t) flags; - - ret = DeviceIoControl(hDeviceVM, HAX_VM_IOCTL_SET_RAM, - &info, sizeof(info), NULL, 0, &dSize, - (LPOVERLAPPED) NULL); - - if (!ret) { - return -EFAULT; - } else { - return 0; - } -} - -int hax_capability(struct hax_state *hax, struct hax_capabilityinfo *cap) -{ - int ret; - HANDLE hDevice = hax->fd; /* handle to hax module */ - DWORD dSize = 0; - DWORD err = 0; - - if (hax_invalid_fd(hDevice)) { - fprintf(stderr, "Invalid fd for hax device!\n"); - return -ENODEV; - } - - ret = DeviceIoControl(hDevice, HAX_IOCTL_CAPABILITY, NULL, 0, cap, - sizeof(*cap), &dSize, (LPOVERLAPPED) NULL); - - if (!ret) { - err = GetLastError(); - if (err == ERROR_INSUFFICIENT_BUFFER || err == ERROR_MORE_DATA) { - fprintf(stderr, "hax capability is too long to hold.\n"); - } - fprintf(stderr, "Failed to get Hax capability:%luu\n", err); - return -EFAULT; - } else { - return 0; - } -} - -int hax_mod_version(struct hax_state *hax, struct hax_module_version *version) -{ - int ret; - HANDLE hDevice = hax->fd; /* handle to hax module */ - DWORD dSize = 0; - DWORD err = 0; - - if (hax_invalid_fd(hDevice)) { - fprintf(stderr, "Invalid fd for hax device!\n"); - return -ENODEV; - } - - ret = DeviceIoControl(hDevice, - HAX_IOCTL_VERSION, - NULL, 0, - version, sizeof(*version), &dSize, - (LPOVERLAPPED) NULL); - - if (!ret) { - err = GetLastError(); - if (err == ERROR_INSUFFICIENT_BUFFER || err == ERROR_MORE_DATA) { - fprintf(stderr, "hax module verion is too long to hold.\n"); - } - fprintf(stderr, "Failed to get Hax module version:%lu\n", err); - return -EFAULT; - } else { - return 0; - } -} - -static char *hax_vm_devfs_string(int vm_id) -{ - return g_strdup_printf("\\\\.\\hax_vm%02d", vm_id); -} - -static char *hax_vcpu_devfs_string(int vm_id, int vcpu_id) -{ - return g_strdup_printf("\\\\.\\hax_vm%02d_vcpu%02d", vm_id, vcpu_id); -} - -int hax_host_create_vm(struct hax_state *hax, int *vmid) -{ - int ret; - int vm_id = 0; - DWORD dSize = 0; - - if (hax_invalid_fd(hax->fd)) { - return -EINVAL; - } - - if (hax->vm) { - return 0; - } - - ret = DeviceIoControl(hax->fd, - HAX_IOCTL_CREATE_VM, - NULL, 0, &vm_id, sizeof(vm_id), &dSize, - (LPOVERLAPPED) NULL); - if (!ret) { - fprintf(stderr, "Failed to create VM. Error code: %lu\n", - GetLastError()); - return -1; - } - *vmid = vm_id; - return 0; -} - -hax_fd hax_host_open_vm(struct hax_state *hax, int vm_id) -{ - char *vm_name = NULL; - hax_fd hDeviceVM; - - vm_name = hax_vm_devfs_string(vm_id); - if (!vm_name) { - fprintf(stderr, "Failed to open VM. VM name is null\n"); - return INVALID_HANDLE_VALUE; - } - - hDeviceVM = CreateFile(vm_name, - GENERIC_READ | GENERIC_WRITE, - 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); - if (hDeviceVM == INVALID_HANDLE_VALUE) { - fprintf(stderr, "Open the vm device error:%s, ec:%lu\n", - vm_name, GetLastError()); - } - - g_free(vm_name); - return hDeviceVM; -} - -int hax_notify_qemu_version(hax_fd vm_fd, struct hax_qemu_version *qversion) -{ - int ret; - DWORD dSize = 0; - if (hax_invalid_fd(vm_fd)) { - return -EINVAL; - } - ret = DeviceIoControl(vm_fd, - HAX_VM_IOCTL_NOTIFY_QEMU_VERSION, - qversion, sizeof(struct hax_qemu_version), - NULL, 0, &dSize, (LPOVERLAPPED) NULL); - if (!ret) { - fprintf(stderr, "Failed to notify qemu API version\n"); - return -1; - } - return 0; -} - -int hax_host_create_vcpu(hax_fd vm_fd, int vcpuid) -{ - int ret; - DWORD dSize = 0; - - ret = DeviceIoControl(vm_fd, - HAX_VM_IOCTL_VCPU_CREATE, - &vcpuid, sizeof(vcpuid), NULL, 0, &dSize, - (LPOVERLAPPED) NULL); - if (!ret) { - fprintf(stderr, "Failed to create vcpu %x\n", vcpuid); - return -1; - } - - return 0; -} - -hax_fd hax_host_open_vcpu(int vmid, int vcpuid) -{ - char *devfs_path = NULL; - hax_fd hDeviceVCPU; - - devfs_path = hax_vcpu_devfs_string(vmid, vcpuid); - if (!devfs_path) { - fprintf(stderr, "Failed to get the devfs\n"); - return INVALID_HANDLE_VALUE; - } - - hDeviceVCPU = CreateFile(devfs_path, - GENERIC_READ | GENERIC_WRITE, - 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, - NULL); - - if (hDeviceVCPU == INVALID_HANDLE_VALUE) { - fprintf(stderr, "Failed to open the vcpu devfs\n"); - } - g_free(devfs_path); - return hDeviceVCPU; -} - -int hax_host_setup_vcpu_channel(AccelCPUState *vcpu) -{ - hax_fd hDeviceVCPU = vcpu->fd; - int ret; - struct hax_tunnel_info info; - DWORD dSize = 0; - - ret = DeviceIoControl(hDeviceVCPU, - HAX_VCPU_IOCTL_SETUP_TUNNEL, - NULL, 0, &info, sizeof(info), &dSize, - (LPOVERLAPPED) NULL); - if (!ret) { - fprintf(stderr, "Failed to setup the hax tunnel\n"); - return -1; - } - - if (!valid_hax_tunnel_size(info.size)) { - fprintf(stderr, "Invalid hax tunnel size %x\n", info.size); - ret = -EINVAL; - return ret; - } - vcpu->tunnel = (struct hax_tunnel *) (intptr_t) (info.va); - vcpu->iobuf = (unsigned char *) (intptr_t) (info.io_va); - return 0; -} - -int hax_vcpu_run(AccelCPUState *vcpu) -{ - int ret; - HANDLE hDeviceVCPU = vcpu->fd; - DWORD dSize = 0; - - ret = DeviceIoControl(hDeviceVCPU, - HAX_VCPU_IOCTL_RUN, - NULL, 0, NULL, 0, &dSize, (LPOVERLAPPED) NULL); - if (!ret) { - return -EFAULT; - } else { - return 0; - } -} - -int hax_sync_fpu(CPUArchState *env, struct fx_layout *fl, int set) -{ - int ret; - hax_fd fd; - HANDLE hDeviceVCPU; - DWORD dSize = 0; - - fd = hax_vcpu_get_fd(env); - if (hax_invalid_fd(fd)) { - return -1; - } - - hDeviceVCPU = fd; - - if (set) { - ret = DeviceIoControl(hDeviceVCPU, - HAX_VCPU_IOCTL_SET_FPU, - fl, sizeof(*fl), NULL, 0, &dSize, - (LPOVERLAPPED) NULL); - } else { - ret = DeviceIoControl(hDeviceVCPU, - HAX_VCPU_IOCTL_GET_FPU, - NULL, 0, fl, sizeof(*fl), &dSize, - (LPOVERLAPPED) NULL); - } - if (!ret) { - return -EFAULT; - } else { - return 0; - } -} - -int hax_sync_msr(CPUArchState *env, struct hax_msr_data *msrs, int set) -{ - int ret; - hax_fd fd; - HANDLE hDeviceVCPU; - DWORD dSize = 0; - - fd = hax_vcpu_get_fd(env); - if (hax_invalid_fd(fd)) { - return -1; - } - hDeviceVCPU = fd; - - if (set) { - ret = DeviceIoControl(hDeviceVCPU, - HAX_VCPU_IOCTL_SET_MSRS, - msrs, sizeof(*msrs), - msrs, sizeof(*msrs), &dSize, (LPOVERLAPPED) NULL); - } else { - ret = DeviceIoControl(hDeviceVCPU, - HAX_VCPU_IOCTL_GET_MSRS, - msrs, sizeof(*msrs), - msrs, sizeof(*msrs), &dSize, (LPOVERLAPPED) NULL); - } - if (!ret) { - return -EFAULT; - } else { - return 0; - } -} - -int hax_sync_vcpu_state(CPUArchState *env, struct vcpu_state_t *state, int set) -{ - int ret; - hax_fd fd; - HANDLE hDeviceVCPU; - DWORD dSize; - - fd = hax_vcpu_get_fd(env); - if (hax_invalid_fd(fd)) { - return -1; - } - - hDeviceVCPU = fd; - - if (set) { - ret = DeviceIoControl(hDeviceVCPU, - HAX_VCPU_SET_REGS, - state, sizeof(*state), - NULL, 0, &dSize, (LPOVERLAPPED) NULL); - } else { - ret = DeviceIoControl(hDeviceVCPU, - HAX_VCPU_GET_REGS, - NULL, 0, - state, sizeof(*state), &dSize, - (LPOVERLAPPED) NULL); - } - if (!ret) { - return -EFAULT; - } else { - return 0; - } -} - -int hax_inject_interrupt(CPUArchState *env, int vector) -{ - int ret; - hax_fd fd; - HANDLE hDeviceVCPU; - DWORD dSize; - - fd = hax_vcpu_get_fd(env); - if (hax_invalid_fd(fd)) { - return -1; - } - - hDeviceVCPU = fd; - - ret = DeviceIoControl(hDeviceVCPU, - HAX_VCPU_IOCTL_INTERRUPT, - &vector, sizeof(vector), NULL, 0, &dSize, - (LPOVERLAPPED) NULL); - if (!ret) { - return -EFAULT; - } else { - return 0; - } -} - -static void CALLBACK dummy_apc_func(ULONG_PTR unused) -{ -} - -void hax_kick_vcpu_thread(CPUState *cpu) -{ - /* - * FIXME: race condition with the exit_request check in - * hax_vcpu_hax_exec - */ - cpu->exit_request = 1; - if (!qemu_cpu_is_self(cpu)) { - if (!QueueUserAPC(dummy_apc_func, cpu->accel->hThread, 0)) { - fprintf(stderr, "%s: QueueUserAPC failed with error %lu\n", - __func__, GetLastError()); - exit(1); - } - } -} |