// SPDX-License-Identifier: GPL-2.0 /* * Automatically generated functions to read TDX global metadata. * * This file doesn't compile on its own as it lacks of inclusion * of SEAMCALL wrapper primitive which reads global metadata. * Include this file to other C file instead. */ static int get_tdx_sys_info_features(struct tdx_sys_info_features *sysinfo_features) { int ret = 0; u64 val; if (!ret && !(ret = read_sys_metadata_field(0x0A00000300000008, &val))) sysinfo_features->tdx_features0 = val; return ret; } static int get_tdx_sys_info_tdmr(struct tdx_sys_info_tdmr *sysinfo_tdmr) { int ret = 0; u64 val; if (!ret && !(ret = read_sys_metadata_field(0x9100000100000008, &val))) sysinfo_tdmr->max_tdmrs = val; if (!ret && !(ret = read_sys_metadata_field(0x9100000100000009, &val))) sysinfo_tdmr->max_reserved_per_tdmr = val; if (!ret && !(ret = read_sys_metadata_field(0x9100000100000010, &val))) sysinfo_tdmr->pamt_4k_entry_size = val; if (!ret && !(ret = read_sys_metadata_field(0x9100000100000011, &val))) sysinfo_tdmr->pamt_2m_entry_size = val; if (!ret && !(ret = read_sys_metadata_field(0x9100000100000012, &val))) sysinfo_tdmr->pamt_1g_entry_size = val; return ret; } static int get_tdx_sys_info_td_ctrl(struct tdx_sys_info_td_ctrl *sysinfo_td_ctrl) { int ret = 0; u64 val; if (!ret && !(ret = read_sys_metadata_field(0x9800000100000000, &val))) sysinfo_td_ctrl->tdr_base_size = val; if (!ret && !(ret = read_sys_metadata_field(0x9800000100000100, &val))) sysinfo_td_ctrl->tdcs_base_size = val; if (!ret && !(ret = read_sys_metadata_field(0x9800000100000200, &val))) sysinfo_td_ctrl->tdvps_base_size = val; return ret; } static int get_tdx_sys_info_td_conf(struct tdx_sys_info_td_conf *sysinfo_td_conf) { int ret = 0; u64 val; int i, j; if (!ret && !(ret = read_sys_metadata_field(0x1900000300000000, &val))) sysinfo_td_conf->attributes_fixed0 = val; if (!ret && !(ret = read_sys_metadata_field(0x1900000300000001, &val))) sysinfo_td_conf->attributes_fixed1 = val; if (!ret && !(ret = read_sys_metadata_field(0x1900000300000002, &val))) sysinfo_td_conf->xfam_fixed0 = val; if (!ret && !(ret = read_sys_metadata_field(0x1900000300000003, &val))) sysinfo_td_conf->xfam_fixed1 = val; if (!ret && !(ret = read_sys_metadata_field(0x9900000100000004, &val))) sysinfo_td_conf->num_cpuid_config = val; if (!ret && !(ret = read_sys_metadata_field(0x9900000100000008, &val))) sysinfo_td_conf->max_vcpus_per_td = val; if (sysinfo_td_conf->num_cpuid_config > ARRAY_SIZE(sysinfo_td_conf->cpuid_config_leaves)) return -EINVAL; for (i = 0; i < sysinfo_td_conf->num_cpuid_config; i++) if (!ret && !(ret = read_sys_metadata_field(0x9900000300000400 + i, &val))) sysinfo_td_conf->cpuid_config_leaves[i] = val; if (sysinfo_td_conf->num_cpuid_config > ARRAY_SIZE(sysinfo_td_conf->cpuid_config_values)) return -EINVAL; for (i = 0; i < sysinfo_td_conf->num_cpuid_config; i++) for (j = 0; j < 2; j++) if (!ret && !(ret = read_sys_metadata_field(0x9900000300000500 + i * 2 + j, &val))) sysinfo_td_conf->cpuid_config_values[i][j] = val; return ret; } static int get_tdx_sys_info(struct tdx_sys_info *sysinfo) { int ret = 0; ret = ret ?: get_tdx_sys_info_features(&sysinfo->features); ret = ret ?: get_tdx_sys_info_tdmr(&sysinfo->tdmr); ret = ret ?: get_tdx_sys_info_td_ctrl(&sysinfo->td_ctrl); ret = ret ?: get_tdx_sys_info_td_conf(&sysinfo->td_conf); return ret; }