49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
// 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(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);
|
|
|
|
return ret;
|
|
}
|