1*af4c26e6SZhao Liu /* 2*af4c26e6SZhao Liu * Test code for x86 APIC ID and Topology functions 3*af4c26e6SZhao Liu * 4*af4c26e6SZhao Liu * Copyright (c) 2012 Red Hat Inc. 5*af4c26e6SZhao Liu * 6*af4c26e6SZhao Liu * Permission is hereby granted, free of charge, to any person obtaining a copy 7*af4c26e6SZhao Liu * of this software and associated documentation files (the "Software"), to deal 8*af4c26e6SZhao Liu * in the Software without restriction, including without limitation the rights 9*af4c26e6SZhao Liu * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10*af4c26e6SZhao Liu * copies of the Software, and to permit persons to whom the Software is 11*af4c26e6SZhao Liu * furnished to do so, subject to the following conditions: 12*af4c26e6SZhao Liu * 13*af4c26e6SZhao Liu * The above copyright notice and this permission notice shall be included in 14*af4c26e6SZhao Liu * all copies or substantial portions of the Software. 15*af4c26e6SZhao Liu * 16*af4c26e6SZhao Liu * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17*af4c26e6SZhao Liu * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18*af4c26e6SZhao Liu * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19*af4c26e6SZhao Liu * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20*af4c26e6SZhao Liu * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21*af4c26e6SZhao Liu * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22*af4c26e6SZhao Liu * THE SOFTWARE. 23*af4c26e6SZhao Liu */ 24*af4c26e6SZhao Liu 25*af4c26e6SZhao Liu #include "qemu/osdep.h" 26*af4c26e6SZhao Liu 27*af4c26e6SZhao Liu #include "hw/i386/topology.h" 28*af4c26e6SZhao Liu 29*af4c26e6SZhao Liu static void test_topo_bits(void) 30*af4c26e6SZhao Liu { 31*af4c26e6SZhao Liu X86CPUTopoInfo topo_info = {0}; 32*af4c26e6SZhao Liu 33*af4c26e6SZhao Liu /* simple tests for 1 thread per core, 1 core per die, 1 die per package */ 34*af4c26e6SZhao Liu topo_info = (X86CPUTopoInfo) {1, 1, 1}; 35*af4c26e6SZhao Liu g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 0); 36*af4c26e6SZhao Liu g_assert_cmpuint(apicid_core_width(&topo_info), ==, 0); 37*af4c26e6SZhao Liu g_assert_cmpuint(apicid_die_width(&topo_info), ==, 0); 38*af4c26e6SZhao Liu 39*af4c26e6SZhao Liu topo_info = (X86CPUTopoInfo) {1, 1, 1}; 40*af4c26e6SZhao Liu g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 0), ==, 0); 41*af4c26e6SZhao Liu g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 1), ==, 1); 42*af4c26e6SZhao Liu g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 2), ==, 2); 43*af4c26e6SZhao Liu g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 3), ==, 3); 44*af4c26e6SZhao Liu 45*af4c26e6SZhao Liu 46*af4c26e6SZhao Liu /* Test field width calculation for multiple values 47*af4c26e6SZhao Liu */ 48*af4c26e6SZhao Liu topo_info = (X86CPUTopoInfo) {1, 1, 2}; 49*af4c26e6SZhao Liu g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 1); 50*af4c26e6SZhao Liu topo_info = (X86CPUTopoInfo) {1, 1, 3}; 51*af4c26e6SZhao Liu g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 2); 52*af4c26e6SZhao Liu topo_info = (X86CPUTopoInfo) {1, 1, 4}; 53*af4c26e6SZhao Liu g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 2); 54*af4c26e6SZhao Liu 55*af4c26e6SZhao Liu topo_info = (X86CPUTopoInfo) {1, 1, 14}; 56*af4c26e6SZhao Liu g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 4); 57*af4c26e6SZhao Liu topo_info = (X86CPUTopoInfo) {1, 1, 15}; 58*af4c26e6SZhao Liu g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 4); 59*af4c26e6SZhao Liu topo_info = (X86CPUTopoInfo) {1, 1, 16}; 60*af4c26e6SZhao Liu g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 4); 61*af4c26e6SZhao Liu topo_info = (X86CPUTopoInfo) {1, 1, 17}; 62*af4c26e6SZhao Liu g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 5); 63*af4c26e6SZhao Liu 64*af4c26e6SZhao Liu 65*af4c26e6SZhao Liu topo_info = (X86CPUTopoInfo) {1, 30, 2}; 66*af4c26e6SZhao Liu g_assert_cmpuint(apicid_core_width(&topo_info), ==, 5); 67*af4c26e6SZhao Liu topo_info = (X86CPUTopoInfo) {1, 31, 2}; 68*af4c26e6SZhao Liu g_assert_cmpuint(apicid_core_width(&topo_info), ==, 5); 69*af4c26e6SZhao Liu topo_info = (X86CPUTopoInfo) {1, 32, 2}; 70*af4c26e6SZhao Liu g_assert_cmpuint(apicid_core_width(&topo_info), ==, 5); 71*af4c26e6SZhao Liu topo_info = (X86CPUTopoInfo) {1, 33, 2}; 72*af4c26e6SZhao Liu g_assert_cmpuint(apicid_core_width(&topo_info), ==, 6); 73*af4c26e6SZhao Liu 74*af4c26e6SZhao Liu topo_info = (X86CPUTopoInfo) {1, 30, 2}; 75*af4c26e6SZhao Liu g_assert_cmpuint(apicid_die_width(&topo_info), ==, 0); 76*af4c26e6SZhao Liu topo_info = (X86CPUTopoInfo) {2, 30, 2}; 77*af4c26e6SZhao Liu g_assert_cmpuint(apicid_die_width(&topo_info), ==, 1); 78*af4c26e6SZhao Liu topo_info = (X86CPUTopoInfo) {3, 30, 2}; 79*af4c26e6SZhao Liu g_assert_cmpuint(apicid_die_width(&topo_info), ==, 2); 80*af4c26e6SZhao Liu topo_info = (X86CPUTopoInfo) {4, 30, 2}; 81*af4c26e6SZhao Liu g_assert_cmpuint(apicid_die_width(&topo_info), ==, 2); 82*af4c26e6SZhao Liu 83*af4c26e6SZhao Liu /* build a weird topology and see if IDs are calculated correctly 84*af4c26e6SZhao Liu */ 85*af4c26e6SZhao Liu 86*af4c26e6SZhao Liu /* This will use 2 bits for thread ID and 3 bits for core ID 87*af4c26e6SZhao Liu */ 88*af4c26e6SZhao Liu topo_info = (X86CPUTopoInfo) {1, 6, 3}; 89*af4c26e6SZhao Liu g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 2); 90*af4c26e6SZhao Liu g_assert_cmpuint(apicid_core_offset(&topo_info), ==, 2); 91*af4c26e6SZhao Liu g_assert_cmpuint(apicid_die_offset(&topo_info), ==, 5); 92*af4c26e6SZhao Liu g_assert_cmpuint(apicid_pkg_offset(&topo_info), ==, 5); 93*af4c26e6SZhao Liu 94*af4c26e6SZhao Liu topo_info = (X86CPUTopoInfo) {1, 6, 3}; 95*af4c26e6SZhao Liu g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 0), ==, 0); 96*af4c26e6SZhao Liu g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 1), ==, 1); 97*af4c26e6SZhao Liu g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 2), ==, 2); 98*af4c26e6SZhao Liu 99*af4c26e6SZhao Liu topo_info = (X86CPUTopoInfo) {1, 6, 3}; 100*af4c26e6SZhao Liu g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 1 * 3 + 0), ==, 101*af4c26e6SZhao Liu (1 << 2) | 0); 102*af4c26e6SZhao Liu g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 1 * 3 + 1), ==, 103*af4c26e6SZhao Liu (1 << 2) | 1); 104*af4c26e6SZhao Liu g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 1 * 3 + 2), ==, 105*af4c26e6SZhao Liu (1 << 2) | 2); 106*af4c26e6SZhao Liu 107*af4c26e6SZhao Liu g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 2 * 3 + 0), ==, 108*af4c26e6SZhao Liu (2 << 2) | 0); 109*af4c26e6SZhao Liu g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 2 * 3 + 1), ==, 110*af4c26e6SZhao Liu (2 << 2) | 1); 111*af4c26e6SZhao Liu g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 2 * 3 + 2), ==, 112*af4c26e6SZhao Liu (2 << 2) | 2); 113*af4c26e6SZhao Liu 114*af4c26e6SZhao Liu g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 5 * 3 + 0), ==, 115*af4c26e6SZhao Liu (5 << 2) | 0); 116*af4c26e6SZhao Liu g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 5 * 3 + 1), ==, 117*af4c26e6SZhao Liu (5 << 2) | 1); 118*af4c26e6SZhao Liu g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 5 * 3 + 2), ==, 119*af4c26e6SZhao Liu (5 << 2) | 2); 120*af4c26e6SZhao Liu 121*af4c26e6SZhao Liu g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 122*af4c26e6SZhao Liu 1 * 6 * 3 + 0 * 3 + 0), ==, (1 << 5)); 123*af4c26e6SZhao Liu g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 124*af4c26e6SZhao Liu 1 * 6 * 3 + 1 * 3 + 1), ==, (1 << 5) | (1 << 2) | 1); 125*af4c26e6SZhao Liu g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 126*af4c26e6SZhao Liu 3 * 6 * 3 + 5 * 3 + 2), ==, (3 << 5) | (5 << 2) | 2); 127*af4c26e6SZhao Liu } 128*af4c26e6SZhao Liu 129*af4c26e6SZhao Liu int main(int argc, char **argv) 130*af4c26e6SZhao Liu { 131*af4c26e6SZhao Liu g_test_init(&argc, &argv, NULL); 132*af4c26e6SZhao Liu 133*af4c26e6SZhao Liu g_test_add_func("/cpuid/topology/basic", test_topo_bits); 134*af4c26e6SZhao Liu 135*af4c26e6SZhao Liu g_test_run(); 136*af4c26e6SZhao Liu 137*af4c26e6SZhao Liu return 0; 138*af4c26e6SZhao Liu } 139