Commit e619ef91 authored by Ju Fu's avatar Ju Fu
Browse files

cvm: add secure memory query method 

virtcca inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I9CC0X



--------------------------------

add secure memory query method

Signed-off-by: default avatarJu Fu <fuju1@huawei.com>
parent b82426dd

arch/arm64/include/asm/kvm_tmi.h

+4 −1
Original line number Diff line number Diff line
@@ -217,7 +217,8 @@ struct tmi_tec_run { 
#define TMI_FNUM_VERSION			U(0x260)

#define TMI_FNUM_MEM_ALLOC			U(0x261)

#define TMI_FNUM_MEM_FREE			U(0x262)

#define TMI_FNUM_DATA_CREATE			U(0x263)

#define TMI_FNUM_MEM_INFO_SHOW			U(0x263)

#define TMI_FNUM_DATA_CREATE			U(0x264)

#define TMI_FNUM_DATA_DESTROY			U(0x265)

#define TMI_FNUM_CVM_ACTIVATE			U(0x267)

#define TMI_FNUM_CVM_CREATE			U(0x268)
@@ -256,6 +257,7 @@ struct tmi_tec_run { 
#define TMI_TMM_FEATURES			TMI_FID(SMC_64, TMI_FNUM_FEATURES)

#define TMI_TMM_MEM_ALLOC			TMI_FID(SMC_64, TMI_FNUM_MEM_ALLOC)

#define TMI_TMM_MEM_FREE			TMI_FID(SMC_64, TMI_FNUM_MEM_FREE)

#define TMI_TMM_MEM_INFO_SHOW		TMI_FID(SMC_64, TMI_FNUM_MEM_INFO_SHOW)

#define TMI_TMM_TTT_MAP_RANGE			TMI_FID(SMC_64, TMI_FNUM_TTT_MAP_RANGE)

#define TMI_TMM_TTT_UNMAP_RANGE		TMI_FID(SMC_64, TMI_FNUM_TTT_UNMAP_RANGE)
@@ -365,6 +367,7 @@ u64 tmi_mem_alloc(u64 rd, u64 numa_set, enum tmi_tmm_mem_type tmm_mem_type, 
	enum tmi_tmm_map_size tmm_map_size);

u64 tmi_mem_free(u64 pa, u64 numa_set, enum tmi_tmm_mem_type tmm_mem_type,

	enum tmi_tmm_map_size tmm_map_size);

u64 tmi_mem_info_show(u64 mem_info_addr);



void kvm_cvm_vcpu_put(struct kvm_vcpu *vcpu);

int kvm_load_user_data(struct kvm *kvm, unsigned long arg);

arch/arm64/kvm/tmi.c

+11 −0
Original line number Diff line number Diff line
@@ -4,6 +4,7 @@ 
 */

#include <linux/arm-smccc.h>

#include <asm/kvm_tmi.h>

#include <asm/memory.h>



u64 tmi_version(void)

{
@@ -151,6 +152,16 @@ u64 tmi_mem_free(u64 pa, u64 numa_set, enum tmi_tmm_mem_type tmm_mem_type, 
	return res.a1;

}



u64 tmi_mem_info_show(u64 mem_info_addr)

{

	struct arm_smccc_res res;

	u64 pa_addr = __pa(mem_info_addr);



	arm_smccc_1_1_smc(TMI_TMM_MEM_INFO_SHOW, pa_addr, &res);

	return res.a1;

}

EXPORT_SYMBOL_GPL(tmi_mem_info_show);



u64 tmi_ttt_map_range(u64 rd, u64 map_addr, u64 size, u64 cur_node, u64 target_node)

{

	struct arm_smccc_res res;