| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Store System Information tests |
| * |
| * Copyright (c) 2019 IBM Corp |
| * |
| * Authors: |
| * Janosch Frank <frankja@linux.ibm.com> |
| */ |
| |
| #include <libcflat.h> |
| #include <asm/page.h> |
| #include <asm/asm-offsets.h> |
| #include <asm/interrupt.h> |
| #include <smp.h> |
| #include <stsi.h> |
| |
| static uint8_t pagebuf[PAGE_SIZE * 2] __attribute__((aligned(PAGE_SIZE * 2))); |
| |
| static void test_specs(void) |
| { |
| report_prefix_push("specification"); |
| |
| report_prefix_push("inv r0"); |
| expect_pgm_int(); |
| stsi(pagebuf, 0, 1 << 8, 0); |
| check_pgm_int_code(PGM_INT_CODE_SPECIFICATION); |
| report_prefix_pop(); |
| |
| report_prefix_push("inv r1"); |
| expect_pgm_int(); |
| stsi(pagebuf, 1, 0, 1 << 16); |
| check_pgm_int_code(PGM_INT_CODE_SPECIFICATION); |
| report_prefix_pop(); |
| |
| report_prefix_push("unaligned"); |
| expect_pgm_int(); |
| stsi(pagebuf + 42, 1, 1, 1); |
| check_pgm_int_code(PGM_INT_CODE_SPECIFICATION); |
| report_prefix_pop(); |
| |
| report_prefix_pop(); |
| } |
| |
| static void test_priv(void) |
| { |
| report_prefix_push("privileged"); |
| expect_pgm_int(); |
| enter_pstate(); |
| stsi(pagebuf, 0, 0, 0); |
| check_pgm_int_code(PGM_INT_CODE_PRIVILEGED_OPERATION); |
| report_prefix_pop(); |
| } |
| |
| static void test_fc(void) |
| { |
| report(stsi(pagebuf, 7, 0, 0) == 3, "invalid fc"); |
| report(stsi(pagebuf, 1, 0, 1) == 3, "invalid selector 1"); |
| report(stsi(pagebuf, 1, 1, 0) == 3, "invalid selector 2"); |
| report(stsi_get_fc() >= 2, "query fc >= 2"); |
| } |
| |
| static void test_3_2_2(void) |
| { |
| int rc; |
| /* EBCDIC for "kvm-unit" */ |
| const uint8_t vm_name[] = { 0x92, 0xa5, 0x94, 0x60, 0xa4, 0x95, 0x89, |
| 0xa3 }; |
| const uint8_t uuid[] = { 0x0f, 0xb8, 0x4a, 0x86, 0x72, 0x7c, |
| 0x11, 0xea, 0xbc, 0x55, 0x02, 0x42, 0xac, 0x13, |
| 0x00, 0x03 }; |
| /* EBCDIC for "KVM/" */ |
| const uint8_t cpi_kvm[] = { 0xd2, 0xe5, 0xd4, 0x61 }; |
| const char vm_name_ext[] = "kvm-unit-test"; |
| struct sysinfo_3_2_2 *data = (void *)pagebuf; |
| |
| report_prefix_push("3.2.2"); |
| |
| /* Is the function code available at all? */ |
| if (stsi_get_fc() < 3) { |
| report_skip("Running under lpar, no level 3 to test."); |
| goto out; |
| } |
| |
| rc = stsi(pagebuf, 3, 2, 2); |
| report(!rc, "call"); |
| |
| /* For now we concentrate on KVM/QEMU */ |
| if (memcmp(&data->vm[0].cpi, cpi_kvm, sizeof(cpi_kvm))) { |
| report_skip("Not running under KVM/QEMU."); |
| goto out; |
| } |
| |
| report(!memcmp(data->vm[0].uuid, uuid, sizeof(uuid)), "uuid"); |
| report(data->vm[0].conf_cpus == smp_query_num_cpus(), "cpu count configured"); |
| report(data->vm[0].total_cpus == |
| data->vm[0].reserved_cpus + data->vm[0].conf_cpus, |
| "cpu count total == conf + reserved"); |
| report(data->vm[0].standby_cpus == 0, "cpu count standby"); |
| report(!memcmp(data->vm[0].name, vm_name, sizeof(data->vm[0].name)), |
| "VM name == kvm-unit-test"); |
| |
| if (data->vm[0].ext_name_encoding != 2) { |
| report_skip("Extended VM names are not UTF-8."); |
| goto out; |
| } |
| report(!memcmp(data->ext_names[0], vm_name_ext, sizeof(vm_name_ext)), |
| "ext VM name == kvm-unit-test"); |
| |
| out: |
| report_prefix_pop(); |
| } |
| |
| int main(void) |
| { |
| report_prefix_push("stsi"); |
| test_priv(); |
| test_specs(); |
| test_fc(); |
| test_3_2_2(); |
| return report_summary(); |
| } |