128ccfb1eSJanosch Frank /* SPDX-License-Identifier: GPL-2.0-only */ 228ccfb1eSJanosch Frank /* 328ccfb1eSJanosch Frank * Guest Ultravisor Call tests 428ccfb1eSJanosch Frank * 528ccfb1eSJanosch Frank * Copyright (c) 2021 IBM Corp 628ccfb1eSJanosch Frank * 728ccfb1eSJanosch Frank * Authors: 828ccfb1eSJanosch Frank * Janosch Frank <frankja@linux.ibm.com> 928ccfb1eSJanosch Frank */ 1028ccfb1eSJanosch Frank 1128ccfb1eSJanosch Frank #include <libcflat.h> 1228ccfb1eSJanosch Frank #include <alloc.h> 1328ccfb1eSJanosch Frank #include <vmalloc.h> 1428ccfb1eSJanosch Frank #include <sclp.h> 1528ccfb1eSJanosch Frank #include <smp.h> 1628ccfb1eSJanosch Frank #include <uv.h> 1728ccfb1eSJanosch Frank #include <asm/page.h> 1828ccfb1eSJanosch Frank #include <asm/sigp.h> 1928ccfb1eSJanosch Frank #include <asm/pgtable.h> 2028ccfb1eSJanosch Frank #include <asm/asm-offsets.h> 2128ccfb1eSJanosch Frank #include <asm/interrupt.h> 2228ccfb1eSJanosch Frank #include <asm/facility.h> 2328ccfb1eSJanosch Frank #include <asm/uv.h> 2428ccfb1eSJanosch Frank #include <asm-generic/barrier.h> 2528ccfb1eSJanosch Frank 2628ccfb1eSJanosch Frank static struct uv_cb_qui uvcb_qui; 2728ccfb1eSJanosch Frank static struct uv_cb_init uvcb_init; 2828ccfb1eSJanosch Frank static struct uv_cb_cgc uvcb_cgc; 2928ccfb1eSJanosch Frank static struct uv_cb_csc uvcb_csc; 3028ccfb1eSJanosch Frank 3128ccfb1eSJanosch Frank extern int diag308_load_reset(u64 code); 3228ccfb1eSJanosch Frank 3328ccfb1eSJanosch Frank struct cmd_list{ 3428ccfb1eSJanosch Frank const char *name; 3528ccfb1eSJanosch Frank uint16_t cmd; 3628ccfb1eSJanosch Frank uint16_t len; 3728ccfb1eSJanosch Frank int call_bit; 3828ccfb1eSJanosch Frank }; 3928ccfb1eSJanosch Frank 4028ccfb1eSJanosch Frank static void cpu_loop(void) 4128ccfb1eSJanosch Frank { 4228ccfb1eSJanosch Frank for (;;) {} 4328ccfb1eSJanosch Frank } 4428ccfb1eSJanosch Frank 4528ccfb1eSJanosch Frank static struct cmd_list cmds[] = { 4628ccfb1eSJanosch Frank { "init", UVC_CMD_INIT_UV, sizeof(struct uv_cb_init), BIT_UVC_CMD_INIT_UV }, 4728ccfb1eSJanosch Frank { "create conf", UVC_CMD_CREATE_SEC_CONF, sizeof(struct uv_cb_cgc), BIT_UVC_CMD_CREATE_SEC_CONF }, 4828ccfb1eSJanosch Frank { "destroy conf", UVC_CMD_DESTROY_SEC_CONF, sizeof(struct uv_cb_nodata), BIT_UVC_CMD_DESTROY_SEC_CONF }, 4928ccfb1eSJanosch Frank { "create cpu", UVC_CMD_CREATE_SEC_CPU, sizeof(struct uv_cb_csc), BIT_UVC_CMD_CREATE_SEC_CPU }, 5028ccfb1eSJanosch Frank { "destroy cpu", UVC_CMD_DESTROY_SEC_CPU, sizeof(struct uv_cb_nodata), BIT_UVC_CMD_DESTROY_SEC_CPU }, 5128ccfb1eSJanosch Frank { "conv to", UVC_CMD_CONV_TO_SEC_STOR, sizeof(struct uv_cb_cts), BIT_UVC_CMD_CONV_TO_SEC_STOR }, 5228ccfb1eSJanosch Frank { "conv from", UVC_CMD_CONV_FROM_SEC_STOR, sizeof(struct uv_cb_cfs), BIT_UVC_CMD_CONV_FROM_SEC_STOR }, 5328ccfb1eSJanosch Frank { "set sec conf", UVC_CMD_SET_SEC_CONF_PARAMS, sizeof(struct uv_cb_ssc), BIT_UVC_CMD_SET_SEC_PARMS }, 5428ccfb1eSJanosch Frank { "unpack", UVC_CMD_UNPACK_IMG, sizeof(struct uv_cb_unp), BIT_UVC_CMD_UNPACK_IMG }, 5528ccfb1eSJanosch Frank { "verify", UVC_CMD_VERIFY_IMG, sizeof(struct uv_cb_nodata), BIT_UVC_CMD_VERIFY_IMG }, 5628ccfb1eSJanosch Frank { "cpu reset", UVC_CMD_CPU_RESET, sizeof(struct uv_cb_nodata), BIT_UVC_CMD_CPU_RESET }, 5728ccfb1eSJanosch Frank { "cpu initial reset", UVC_CMD_CPU_RESET_INITIAL, sizeof(struct uv_cb_nodata), BIT_UVC_CMD_CPU_RESET_INITIAL }, 5828ccfb1eSJanosch Frank { "conf clear reset", UVC_CMD_PERF_CONF_CLEAR_RESET, sizeof(struct uv_cb_nodata), BIT_UVC_CMD_PREPARE_CLEAR_RESET }, 5928ccfb1eSJanosch Frank { "cpu clear reset", UVC_CMD_CPU_RESET_CLEAR, sizeof(struct uv_cb_nodata), BIT_UVC_CMD_CPU_PERFORM_CLEAR_RESET }, 6028ccfb1eSJanosch Frank { "cpu set state", UVC_CMD_CPU_SET_STATE, sizeof(struct uv_cb_cpu_set_state), BIT_UVC_CMD_CPU_SET_STATE }, 6128ccfb1eSJanosch Frank { "pin shared", UVC_CMD_PIN_PAGE_SHARED, sizeof(struct uv_cb_cfs), BIT_UVC_CMD_PIN_PAGE_SHARED }, 6228ccfb1eSJanosch Frank { "unpin shared", UVC_CMD_UNPIN_PAGE_SHARED, sizeof(struct uv_cb_cts), BIT_UVC_CMD_UNPIN_PAGE_SHARED }, 6328ccfb1eSJanosch Frank { NULL, 0, 0 }, 6428ccfb1eSJanosch Frank }; 6528ccfb1eSJanosch Frank 6628ccfb1eSJanosch Frank static void test_priv(void) 6728ccfb1eSJanosch Frank { 6828ccfb1eSJanosch Frank struct uv_cb_header uvcb = {}; 6928ccfb1eSJanosch Frank uint16_t pgm; 7028ccfb1eSJanosch Frank int i; 7128ccfb1eSJanosch Frank 7228ccfb1eSJanosch Frank report_prefix_push("privileged"); 7328ccfb1eSJanosch Frank for (i = 0; cmds[i].name; i++) { 7428ccfb1eSJanosch Frank expect_pgm_int(); 7528ccfb1eSJanosch Frank uvcb.cmd = cmds[i].cmd; 7628ccfb1eSJanosch Frank uvcb.len = cmds[i].len; 7728ccfb1eSJanosch Frank enter_pstate(); 7828ccfb1eSJanosch Frank uv_call(0, (uint64_t)&uvcb); 7928ccfb1eSJanosch Frank pgm = clear_pgm_int(); 8028ccfb1eSJanosch Frank report(pgm == PGM_INT_CODE_PRIVILEGED_OPERATION, "%s", cmds[i].name); 8128ccfb1eSJanosch Frank } 8228ccfb1eSJanosch Frank report_prefix_pop(); 8328ccfb1eSJanosch Frank } 8428ccfb1eSJanosch Frank 8528ccfb1eSJanosch Frank static void test_config_destroy(void) 8628ccfb1eSJanosch Frank { 8728ccfb1eSJanosch Frank int rc; 8828ccfb1eSJanosch Frank struct uv_cb_nodata uvcb = { 8928ccfb1eSJanosch Frank .header.cmd = UVC_CMD_DESTROY_SEC_CONF, 9028ccfb1eSJanosch Frank .header.len = sizeof(uvcb), 9128ccfb1eSJanosch Frank .handle = uvcb_cgc.guest_handle, 9228ccfb1eSJanosch Frank }; 9328ccfb1eSJanosch Frank 9428ccfb1eSJanosch Frank report_prefix_push("dsc"); 9528ccfb1eSJanosch Frank uvcb.header.len -= 8; 9628ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb); 9728ccfb1eSJanosch Frank report(rc == 1 && uvcb.header.rc == UVC_RC_INV_LEN, 9828ccfb1eSJanosch Frank "hdr invalid length"); 9928ccfb1eSJanosch Frank uvcb.header.len += 8; 10028ccfb1eSJanosch Frank 10128ccfb1eSJanosch Frank uvcb.handle += 1; 10228ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb); 10328ccfb1eSJanosch Frank report(rc == 1 && uvcb.header.rc == UVC_RC_INV_GHANDLE, "invalid handle"); 10428ccfb1eSJanosch Frank uvcb.handle -= 1; 10528ccfb1eSJanosch Frank 10628ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb); 10728ccfb1eSJanosch Frank report(rc == 0 && uvcb.header.rc == UVC_RC_EXECUTED, "success"); 10828ccfb1eSJanosch Frank report_prefix_pop(); 10928ccfb1eSJanosch Frank } 11028ccfb1eSJanosch Frank 11128ccfb1eSJanosch Frank static void test_cpu_destroy(void) 11228ccfb1eSJanosch Frank { 11328ccfb1eSJanosch Frank int rc; 11428ccfb1eSJanosch Frank struct uv_cb_nodata uvcb = { 11528ccfb1eSJanosch Frank .header.len = sizeof(uvcb), 11628ccfb1eSJanosch Frank .header.cmd = UVC_CMD_DESTROY_SEC_CPU, 11728ccfb1eSJanosch Frank .handle = uvcb_csc.cpu_handle, 11828ccfb1eSJanosch Frank }; 11928ccfb1eSJanosch Frank 12028ccfb1eSJanosch Frank report_prefix_push("dcpu"); 12128ccfb1eSJanosch Frank 12228ccfb1eSJanosch Frank uvcb.header.len -= 8; 12328ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb); 12428ccfb1eSJanosch Frank report(rc == 1 && uvcb.header.rc == UVC_RC_INV_LEN, 12528ccfb1eSJanosch Frank "hdr invalid length"); 12628ccfb1eSJanosch Frank uvcb.header.len += 8; 12728ccfb1eSJanosch Frank 12828ccfb1eSJanosch Frank uvcb.handle += 1; 12928ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb); 13028ccfb1eSJanosch Frank report(rc == 1 && uvcb.header.rc == UVC_RC_INV_CHANDLE, "invalid handle"); 13128ccfb1eSJanosch Frank uvcb.handle -= 1; 13228ccfb1eSJanosch Frank 13328ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb); 13428ccfb1eSJanosch Frank report(rc == 0 && uvcb.header.rc == UVC_RC_EXECUTED, "success"); 13528ccfb1eSJanosch Frank 13628ccfb1eSJanosch Frank report_prefix_pop(); 13728ccfb1eSJanosch Frank } 13828ccfb1eSJanosch Frank 13928ccfb1eSJanosch Frank static void test_cpu_create(void) 14028ccfb1eSJanosch Frank { 14128ccfb1eSJanosch Frank int rc; 14228ccfb1eSJanosch Frank unsigned long tmp; 14328ccfb1eSJanosch Frank 14428ccfb1eSJanosch Frank report_prefix_push("csc"); 14528ccfb1eSJanosch Frank uvcb_csc.header.len = sizeof(uvcb_csc); 14628ccfb1eSJanosch Frank uvcb_csc.header.cmd = UVC_CMD_CREATE_SEC_CPU; 14728ccfb1eSJanosch Frank uvcb_csc.guest_handle = uvcb_cgc.guest_handle; 14828ccfb1eSJanosch Frank uvcb_csc.stor_origin = (unsigned long)memalign(PAGE_SIZE, uvcb_qui.cpu_stor_len); 14928ccfb1eSJanosch Frank uvcb_csc.state_origin = (unsigned long)memalign(PAGE_SIZE, PAGE_SIZE); 15028ccfb1eSJanosch Frank 15128ccfb1eSJanosch Frank uvcb_csc.header.len -= 8; 15228ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_csc); 15328ccfb1eSJanosch Frank report(uvcb_csc.header.rc == UVC_RC_INV_LEN && rc == 1 && 15428ccfb1eSJanosch Frank !uvcb_csc.cpu_handle, "hdr invalid length"); 15528ccfb1eSJanosch Frank uvcb_csc.header.len += 8; 15628ccfb1eSJanosch Frank 15728ccfb1eSJanosch Frank uvcb_csc.guest_handle += 1; 15828ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_csc); 15928ccfb1eSJanosch Frank report(uvcb_csc.header.rc == UVC_RC_INV_GHANDLE && rc == 1, 16028ccfb1eSJanosch Frank "invalid guest handle"); 16128ccfb1eSJanosch Frank uvcb_csc.guest_handle -= 1; 16228ccfb1eSJanosch Frank 16328ccfb1eSJanosch Frank uvcb_csc.num = uvcb_qui.max_guest_cpus + 1; 16428ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_csc); 16528ccfb1eSJanosch Frank report(uvcb_csc.header.rc == 0x103 && rc == 1, 16628ccfb1eSJanosch Frank "invalid cpu #"); 16728ccfb1eSJanosch Frank uvcb_csc.num = 0; 16828ccfb1eSJanosch Frank 16928ccfb1eSJanosch Frank tmp = uvcb_csc.stor_origin; 17028ccfb1eSJanosch Frank uvcb_csc.stor_origin = get_max_ram_size() + PAGE_SIZE; 17128ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_csc); 17228ccfb1eSJanosch Frank report(uvcb_csc.header.rc == 0x105 && rc == 1, 17328ccfb1eSJanosch Frank "cpu stor inaccessible"); 17428ccfb1eSJanosch Frank uvcb_csc.stor_origin = tmp; 17528ccfb1eSJanosch Frank 17628ccfb1eSJanosch Frank tmp = uvcb_csc.stor_origin; 17728ccfb1eSJanosch Frank uvcb_csc.stor_origin = 0; 17828ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_csc); 17928ccfb1eSJanosch Frank report(uvcb_csc.header.rc == 0x106 && rc == 1, 18028ccfb1eSJanosch Frank "cpu stor in lowcore"); 18128ccfb1eSJanosch Frank uvcb_csc.stor_origin = tmp; 18228ccfb1eSJanosch Frank 18328ccfb1eSJanosch Frank tmp = uvcb_csc.state_origin; 18428ccfb1eSJanosch Frank uvcb_csc.state_origin = get_max_ram_size() + PAGE_SIZE; 18528ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_csc); 18628ccfb1eSJanosch Frank report(uvcb_csc.header.rc == 0x107 && rc == 1, 18728ccfb1eSJanosch Frank "SIE SD inaccessible"); 18828ccfb1eSJanosch Frank uvcb_csc.state_origin = tmp; 18928ccfb1eSJanosch Frank 19028ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_csc); 19128ccfb1eSJanosch Frank report(rc == 0 && uvcb_csc.header.rc == UVC_RC_EXECUTED && 19228ccfb1eSJanosch Frank uvcb_csc.cpu_handle, "success"); 19328ccfb1eSJanosch Frank 19428ccfb1eSJanosch Frank tmp = uvcb_csc.stor_origin; 19528ccfb1eSJanosch Frank uvcb_csc.stor_origin = (unsigned long)memalign(PAGE_SIZE, uvcb_qui.cpu_stor_len); 19628ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_csc); 19728ccfb1eSJanosch Frank report(rc == 1 && uvcb_csc.header.rc == 0x104, "already defined"); 19828ccfb1eSJanosch Frank uvcb_csc.stor_origin = tmp; 19928ccfb1eSJanosch Frank report_prefix_pop(); 20028ccfb1eSJanosch Frank } 20128ccfb1eSJanosch Frank 20228ccfb1eSJanosch Frank static void test_config_create(void) 20328ccfb1eSJanosch Frank { 20428ccfb1eSJanosch Frank int rc; 20528ccfb1eSJanosch Frank unsigned long vsize, tmp; 20628ccfb1eSJanosch Frank static struct uv_cb_cgc uvcb; 20728ccfb1eSJanosch Frank 20828ccfb1eSJanosch Frank uvcb_cgc.header.cmd = UVC_CMD_CREATE_SEC_CONF; 20928ccfb1eSJanosch Frank uvcb_cgc.header.len = sizeof(uvcb_cgc); 21028ccfb1eSJanosch Frank report_prefix_push("cgc"); 21128ccfb1eSJanosch Frank 21228ccfb1eSJanosch Frank uvcb_cgc.guest_stor_origin = 0; 21328ccfb1eSJanosch Frank uvcb_cgc.guest_stor_len = 42 * (1UL << 20); 21428ccfb1eSJanosch Frank vsize = uvcb_qui.conf_base_virt_stor_len + 21528ccfb1eSJanosch Frank ((uvcb_cgc.guest_stor_len / (1UL << 20)) * uvcb_qui.conf_virt_var_stor_len); 21628ccfb1eSJanosch Frank 21728ccfb1eSJanosch Frank uvcb_cgc.conf_base_stor_origin = (uint64_t)memalign(PAGE_SIZE * 4, uvcb_qui.conf_base_phys_stor_len); 21828ccfb1eSJanosch Frank uvcb_cgc.conf_var_stor_origin = (uint64_t)memalign(PAGE_SIZE, vsize); 21928ccfb1eSJanosch Frank uvcb_cgc.guest_asce = (uint64_t)memalign(PAGE_SIZE, 4 * PAGE_SIZE) | ASCE_DT_SEGMENT | REGION_TABLE_LENGTH | ASCE_P; 22028ccfb1eSJanosch Frank uvcb_cgc.guest_sca = (uint64_t)memalign(PAGE_SIZE * 4, PAGE_SIZE * 4); 22128ccfb1eSJanosch Frank 22228ccfb1eSJanosch Frank uvcb_cgc.header.len -= 8; 22328ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_cgc); 22428ccfb1eSJanosch Frank report(uvcb_cgc.header.rc == UVC_RC_INV_LEN && rc == 1 && 22528ccfb1eSJanosch Frank !uvcb_cgc.guest_handle, "hdr invalid length"); 22628ccfb1eSJanosch Frank uvcb_cgc.header.len += 8; 22728ccfb1eSJanosch Frank 22828ccfb1eSJanosch Frank uvcb_cgc.guest_stor_origin = uvcb_qui.max_guest_stor_addr + (1UL << 20) * 2 + 1; 22928ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_cgc); 23028ccfb1eSJanosch Frank report(uvcb_cgc.header.rc == 0x101 && rc == 1, 23128ccfb1eSJanosch Frank "MSO > max guest addr"); 23228ccfb1eSJanosch Frank uvcb_cgc.guest_stor_origin = 0; 23328ccfb1eSJanosch Frank 23428ccfb1eSJanosch Frank uvcb_cgc.guest_stor_origin = uvcb_qui.max_guest_stor_addr - (1UL << 20); 23528ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_cgc); 23628ccfb1eSJanosch Frank report(uvcb_cgc.header.rc == 0x102 && rc == 1, 23728ccfb1eSJanosch Frank "MSO + MSL > max guest addr"); 23828ccfb1eSJanosch Frank uvcb_cgc.guest_stor_origin = 0; 23928ccfb1eSJanosch Frank 24028ccfb1eSJanosch Frank uvcb_cgc.guest_asce &= ~ASCE_P; 24128ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_cgc); 24228ccfb1eSJanosch Frank report(uvcb_cgc.header.rc == 0x105 && rc == 1, 24328ccfb1eSJanosch Frank "ASCE private bit missing"); 24428ccfb1eSJanosch Frank uvcb_cgc.guest_asce |= ASCE_P; 24528ccfb1eSJanosch Frank 24628ccfb1eSJanosch Frank uvcb_cgc.guest_asce |= 0x20; 24728ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_cgc); 24828ccfb1eSJanosch Frank report(uvcb_cgc.header.rc == 0x105 && rc == 1, 24928ccfb1eSJanosch Frank "ASCE bit 58 set"); 25028ccfb1eSJanosch Frank uvcb_cgc.guest_asce &= ~0x20; 25128ccfb1eSJanosch Frank 25228ccfb1eSJanosch Frank tmp = uvcb_cgc.conf_base_stor_origin; 25328ccfb1eSJanosch Frank uvcb_cgc.conf_base_stor_origin = get_max_ram_size() + 8; 25428ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_cgc); 25528ccfb1eSJanosch Frank report(uvcb_cgc.header.rc == 0x108 && rc == 1, 25628ccfb1eSJanosch Frank "base storage origin > available memory"); 25728ccfb1eSJanosch Frank uvcb_cgc.conf_base_stor_origin = tmp; 25828ccfb1eSJanosch Frank 25928ccfb1eSJanosch Frank tmp = uvcb_cgc.conf_base_stor_origin; 26028ccfb1eSJanosch Frank uvcb_cgc.conf_base_stor_origin = 0x1000; 26128ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_cgc); 26228ccfb1eSJanosch Frank report(uvcb_cgc.header.rc == 0x109 && rc == 1, 26328ccfb1eSJanosch Frank "base storage origin contains lowcore"); 26428ccfb1eSJanosch Frank uvcb_cgc.conf_base_stor_origin = tmp; 26528ccfb1eSJanosch Frank 26628ccfb1eSJanosch Frank if (smp_query_num_cpus() == 1) { 26728ccfb1eSJanosch Frank sigp_retry(1, SIGP_SET_PREFIX, 26828ccfb1eSJanosch Frank uvcb_cgc.conf_var_stor_origin + PAGE_SIZE, NULL); 26928ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_cgc); 27028ccfb1eSJanosch Frank report(uvcb_cgc.header.rc == 0x10e && rc == 1 && 27128ccfb1eSJanosch Frank !uvcb_cgc.guest_handle, "variable storage area contains lowcore"); 27228ccfb1eSJanosch Frank sigp_retry(1, SIGP_SET_PREFIX, 0x0, NULL); 27328ccfb1eSJanosch Frank } 27428ccfb1eSJanosch Frank 27528ccfb1eSJanosch Frank tmp = uvcb_cgc.guest_sca; 27628ccfb1eSJanosch Frank uvcb_cgc.guest_sca = 0; 27728ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_cgc); 27828ccfb1eSJanosch Frank report(uvcb_cgc.header.rc == 0x10c && rc == 1, 27928ccfb1eSJanosch Frank "sca == 0"); 28028ccfb1eSJanosch Frank uvcb_cgc.guest_sca = tmp; 28128ccfb1eSJanosch Frank 28228ccfb1eSJanosch Frank tmp = uvcb_cgc.guest_sca; 28328ccfb1eSJanosch Frank uvcb_cgc.guest_sca = get_max_ram_size() + + PAGE_SIZE * 4; 28428ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_cgc); 28528ccfb1eSJanosch Frank report(uvcb_cgc.header.rc == 0x10d && rc == 1, 28628ccfb1eSJanosch Frank "sca inaccessible"); 28728ccfb1eSJanosch Frank uvcb_cgc.guest_sca = tmp; 28828ccfb1eSJanosch Frank 28928ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_cgc); 29028ccfb1eSJanosch Frank report(rc == 0 && uvcb_cgc.header.rc == UVC_RC_EXECUTED, "successful"); 29128ccfb1eSJanosch Frank 29228ccfb1eSJanosch Frank uvcb_cgc.header.rc = 0; 29328ccfb1eSJanosch Frank uvcb_cgc.header.rrc = 0; 29428ccfb1eSJanosch Frank tmp = uvcb_cgc.guest_handle; 29528ccfb1eSJanosch Frank uvcb_cgc.guest_handle = 0; 29628ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_cgc); 29728ccfb1eSJanosch Frank report(uvcb_cgc.header.rc >= 0x100 && rc == 1, "reuse uvcb"); 29828ccfb1eSJanosch Frank uvcb_cgc.guest_handle = tmp; 29928ccfb1eSJanosch Frank 30028ccfb1eSJanosch Frank /* Copy over most data from uvcb_cgc, so we have the ASCE that was used. */ 30128ccfb1eSJanosch Frank memcpy(&uvcb, &uvcb_cgc, sizeof(uvcb)); 30228ccfb1eSJanosch Frank 30328ccfb1eSJanosch Frank /* Reset the header and handle */ 30428ccfb1eSJanosch Frank uvcb.header.rc = 0; 30528ccfb1eSJanosch Frank uvcb.header.rrc = 0; 30628ccfb1eSJanosch Frank uvcb.guest_handle = 0; 30728ccfb1eSJanosch Frank 30828ccfb1eSJanosch Frank /* Use new storage areas. */ 30928ccfb1eSJanosch Frank uvcb.conf_base_stor_origin = (uint64_t)memalign(PAGE_SIZE * 4, uvcb_qui.conf_base_phys_stor_len); 31028ccfb1eSJanosch Frank uvcb.conf_var_stor_origin = (uint64_t)memalign(PAGE_SIZE, vsize); 31128ccfb1eSJanosch Frank 31228ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb); 31328ccfb1eSJanosch Frank report(uvcb.header.rc >= 0x104 && rc == 1 && !uvcb.guest_handle, 31428ccfb1eSJanosch Frank "reuse ASCE"); 31528ccfb1eSJanosch Frank free((void *)uvcb.conf_base_stor_origin); 31628ccfb1eSJanosch Frank free((void *)uvcb.conf_var_stor_origin); 31728ccfb1eSJanosch Frank 31828ccfb1eSJanosch Frank /* Missing: 106, 10a, a0b */ 31928ccfb1eSJanosch Frank report_prefix_pop(); 32028ccfb1eSJanosch Frank } 32128ccfb1eSJanosch Frank 32228ccfb1eSJanosch Frank static void test_init(void) 32328ccfb1eSJanosch Frank { 32428ccfb1eSJanosch Frank int rc; 32528ccfb1eSJanosch Frank uint64_t mem; 32628ccfb1eSJanosch Frank struct psw psw; 32728ccfb1eSJanosch Frank 32828ccfb1eSJanosch Frank /* Donated storage needs to be over 2GB */ 32928ccfb1eSJanosch Frank mem = (uint64_t)memalign(1UL << 31, uvcb_qui.uv_base_stor_len); 33028ccfb1eSJanosch Frank 33128ccfb1eSJanosch Frank uvcb_init.header.len = sizeof(uvcb_init); 33228ccfb1eSJanosch Frank uvcb_init.header.cmd = UVC_CMD_INIT_UV; 33328ccfb1eSJanosch Frank uvcb_init.stor_origin = mem; 33428ccfb1eSJanosch Frank uvcb_init.stor_len = uvcb_qui.uv_base_stor_len; 33528ccfb1eSJanosch Frank 33628ccfb1eSJanosch Frank report_prefix_push("init"); 33728ccfb1eSJanosch Frank uvcb_init.header.len -= 8; 33828ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_init); 33928ccfb1eSJanosch Frank report(rc == 1 && uvcb_init.header.rc == UVC_RC_INV_LEN, 34028ccfb1eSJanosch Frank "hdr invalid length"); 34128ccfb1eSJanosch Frank uvcb_init.header.len += 8; 34228ccfb1eSJanosch Frank 34328ccfb1eSJanosch Frank uvcb_init.stor_len -= 8; 34428ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_init); 34528ccfb1eSJanosch Frank report(rc == 1 && uvcb_init.header.rc == 0x103, 34628ccfb1eSJanosch Frank "storage invalid length"); 34728ccfb1eSJanosch Frank uvcb_init.stor_len += 8; 34828ccfb1eSJanosch Frank 34928ccfb1eSJanosch Frank uvcb_init.stor_origin = get_max_ram_size() + 8; 35028ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_init); 35128ccfb1eSJanosch Frank report(rc == 1 && uvcb_init.header.rc == 0x104, 35228ccfb1eSJanosch Frank "storage origin invalid"); 35328ccfb1eSJanosch Frank uvcb_init.stor_origin = mem; 35428ccfb1eSJanosch Frank 35528ccfb1eSJanosch Frank uvcb_init.stor_origin = get_max_ram_size() - 8; 35628ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_init); 35728ccfb1eSJanosch Frank report(rc == 1 && uvcb_init.header.rc == 0x105, 35828ccfb1eSJanosch Frank "storage + length invalid"); 35928ccfb1eSJanosch Frank uvcb_init.stor_origin = mem; 36028ccfb1eSJanosch Frank 36128ccfb1eSJanosch Frank uvcb_init.stor_origin = 1UL << 30; 36228ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_init); 36328ccfb1eSJanosch Frank report(rc == 1 && uvcb_init.header.rc == 0x108, 36428ccfb1eSJanosch Frank "storage below 2GB"); 36528ccfb1eSJanosch Frank uvcb_init.stor_origin = mem; 36628ccfb1eSJanosch Frank 36728ccfb1eSJanosch Frank psw.mask = extract_psw_mask(); 36828ccfb1eSJanosch Frank psw.addr = (unsigned long)cpu_loop; 36928ccfb1eSJanosch Frank smp_cpu_setup(1, psw); 37028ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_init); 37128ccfb1eSJanosch Frank report(rc == 1 && uvcb_init.header.rc == 0x102, 37228ccfb1eSJanosch Frank "too many running cpus"); 37328ccfb1eSJanosch Frank smp_cpu_stop(1); 37428ccfb1eSJanosch Frank 37528ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_init); 37628ccfb1eSJanosch Frank report(rc == 0 && uvcb_init.header.rc == UVC_RC_EXECUTED, "successful"); 37728ccfb1eSJanosch Frank 37828ccfb1eSJanosch Frank mem = (uint64_t)memalign(1UL << 31, uvcb_qui.uv_base_stor_len); 37928ccfb1eSJanosch Frank rc = uv_call(0, (uint64_t)&uvcb_init); 38028ccfb1eSJanosch Frank report(rc == 1 && uvcb_init.header.rc == 0x101, "double init"); 38128ccfb1eSJanosch Frank free((void *)mem); 38228ccfb1eSJanosch Frank 38328ccfb1eSJanosch Frank report_prefix_pop(); 38428ccfb1eSJanosch Frank } 38528ccfb1eSJanosch Frank 38628ccfb1eSJanosch Frank static void test_query(void) 38728ccfb1eSJanosch Frank { 38828ccfb1eSJanosch Frank int i = 0; 38928ccfb1eSJanosch Frank 39028ccfb1eSJanosch Frank uvcb_qui.header.cmd = UVC_CMD_QUI; 39128ccfb1eSJanosch Frank uvcb_qui.header.len = sizeof(uvcb_qui); 39228ccfb1eSJanosch Frank 39328ccfb1eSJanosch Frank report_prefix_push("query"); 39428ccfb1eSJanosch Frank uvcb_qui.header.len = 0xa0; 39528ccfb1eSJanosch Frank uv_call(0, (uint64_t)&uvcb_qui); 39628ccfb1eSJanosch Frank report(uvcb_qui.header.rc == UVC_RC_INV_LEN, "length"); 39728ccfb1eSJanosch Frank 39828ccfb1eSJanosch Frank uvcb_qui.header.len = 0xa8; 39928ccfb1eSJanosch Frank uv_call(0, (uint64_t)&uvcb_qui); 40028ccfb1eSJanosch Frank report(uvcb_qui.header.rc == 0x100, "insf length"); 40128ccfb1eSJanosch Frank 40228ccfb1eSJanosch Frank uvcb_qui.header.len = sizeof(uvcb_qui); 40328ccfb1eSJanosch Frank uv_call(0, (uint64_t)&uvcb_qui); 40428ccfb1eSJanosch Frank report(uvcb_qui.header.rc == UVC_RC_EXECUTED, "successful query"); 40528ccfb1eSJanosch Frank 40628ccfb1eSJanosch Frank for (i = 0; cmds[i].name; i++) 40728ccfb1eSJanosch Frank report(uv_query_test_call(cmds[i].call_bit), "%s", cmds[i].name); 40828ccfb1eSJanosch Frank 40928ccfb1eSJanosch Frank report_prefix_pop(); 41028ccfb1eSJanosch Frank } 41128ccfb1eSJanosch Frank 41228ccfb1eSJanosch Frank static struct cmd_list invalid_cmds[] = { 41328ccfb1eSJanosch Frank { "bogus", 0x4242, sizeof(struct uv_cb_header), -1}, 41428ccfb1eSJanosch Frank { "share", UVC_CMD_SET_SHARED_ACCESS, sizeof(struct uv_cb_share), BIT_UVC_CMD_SET_SHARED_ACCESS }, 41528ccfb1eSJanosch Frank { "unshare", UVC_CMD_REMOVE_SHARED_ACCESS, sizeof(struct uv_cb_share), BIT_UVC_CMD_REMOVE_SHARED_ACCESS }, 41628ccfb1eSJanosch Frank { NULL, 0, 0 }, 41728ccfb1eSJanosch Frank }; 41828ccfb1eSJanosch Frank 41928ccfb1eSJanosch Frank static void test_invalid(void) 42028ccfb1eSJanosch Frank { 42128ccfb1eSJanosch Frank struct uv_cb_header hdr = {}; 42228ccfb1eSJanosch Frank int i, cc; 42328ccfb1eSJanosch Frank 42428ccfb1eSJanosch Frank report_prefix_push("invalid"); 42528ccfb1eSJanosch Frank for (i = 0; invalid_cmds[i].name; i++) { 42628ccfb1eSJanosch Frank hdr.cmd = invalid_cmds[i].cmd; 42728ccfb1eSJanosch Frank hdr.len = invalid_cmds[i].len; 42828ccfb1eSJanosch Frank cc = uv_call(0, (uint64_t)&hdr); 42928ccfb1eSJanosch Frank report(cc == 1 && hdr.rc == UVC_RC_INV_CMD && 43028ccfb1eSJanosch Frank (invalid_cmds[i].call_bit == -1 || !uv_query_test_call(invalid_cmds[i].call_bit)), 43128ccfb1eSJanosch Frank "%s", invalid_cmds[i].name); 43228ccfb1eSJanosch Frank } 43328ccfb1eSJanosch Frank report_prefix_pop(); 43428ccfb1eSJanosch Frank } 43528ccfb1eSJanosch Frank 43628ccfb1eSJanosch Frank static void test_clear(void) 43728ccfb1eSJanosch Frank { 43828ccfb1eSJanosch Frank uint64_t *tmp = (void *)uvcb_init.stor_origin; 43928ccfb1eSJanosch Frank 44028ccfb1eSJanosch Frank diag308_load_reset(1); 44128ccfb1eSJanosch Frank sclp_console_setup(); 44228ccfb1eSJanosch Frank report(!*tmp, "memory cleared after reset 1"); 44328ccfb1eSJanosch Frank } 44428ccfb1eSJanosch Frank 44528ccfb1eSJanosch Frank static void setup_vmem(void) 44628ccfb1eSJanosch Frank { 44728ccfb1eSJanosch Frank uint64_t asce, mask; 44828ccfb1eSJanosch Frank 449*0a5b31d2SSean Christopherson setup_mmu(get_max_ram_size(), NULL); 45028ccfb1eSJanosch Frank asce = stctg(1); 45128ccfb1eSJanosch Frank lctlg(13, asce); 45228ccfb1eSJanosch Frank mask = extract_psw_mask() | 0x0000C00000000000UL; 45328ccfb1eSJanosch Frank load_psw_mask(mask); 45428ccfb1eSJanosch Frank } 45528ccfb1eSJanosch Frank 45628ccfb1eSJanosch Frank int main(void) 45728ccfb1eSJanosch Frank { 45828ccfb1eSJanosch Frank bool has_uvc = test_facility(158); 45928ccfb1eSJanosch Frank 46028ccfb1eSJanosch Frank report_prefix_push("uvc"); 46128ccfb1eSJanosch Frank if (!has_uvc) { 46228ccfb1eSJanosch Frank report_skip("Ultravisor call facility is not available"); 46328ccfb1eSJanosch Frank goto done; 46428ccfb1eSJanosch Frank } 46528ccfb1eSJanosch Frank 46628ccfb1eSJanosch Frank test_priv(); 46728ccfb1eSJanosch Frank test_invalid(); 46828ccfb1eSJanosch Frank test_query(); 46928ccfb1eSJanosch Frank test_init(); 47028ccfb1eSJanosch Frank 47128ccfb1eSJanosch Frank setup_vmem(); 47228ccfb1eSJanosch Frank test_config_create(); 47328ccfb1eSJanosch Frank test_cpu_create(); 47428ccfb1eSJanosch Frank test_cpu_destroy(); 47528ccfb1eSJanosch Frank test_config_destroy(); 47628ccfb1eSJanosch Frank test_clear(); 47728ccfb1eSJanosch Frank 47828ccfb1eSJanosch Frank done: 47928ccfb1eSJanosch Frank return report_summary(); 48028ccfb1eSJanosch Frank } 481