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HV: add board specific cpu state table to support Px Cx

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Currently the Px Cx supported SoCs which listed in cpu_state_tbl.c is limited,
and it is not a wise option to build a huge state table data base to support
Px/Cx for other SoCs. This patch give a alternative solution that build a board
specific cpu state table in board.c which could be auto-generated by offline
tool, then the CPU Px/Cx of customer board could be enabled;

Hypervisor will search the cpu state table in cpu_state_tbl[] first, if not
found then go check board_cpu_state_tbl. If no matched cpu state table is found
then Px/Cx will not be supported;

Tracked-On: #3477

Signed-off-by: Victor Sun <victor.sun@intel.com>
This commit is contained in:
Victor Sun
2019-07-25 15:00:51 +08:00
committed by wenlingz
parent cd3b8ed7f1
commit 555a03db99
9 changed files with 48 additions and 26 deletions
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2
hypervisor/include/arch/x86/board.h
View File

@@ -7,6 +7,7 @@
#define BOARD_H
#include <types.h>
#include <host_pm.h>
/* forward declarations */
struct acrn_vm;
@@ -18,6 +19,7 @@ struct platform_clos_info {
extern struct platform_clos_info platform_clos_array[];
extern uint16_t platform_clos_num;
extern const struct cpu_state_table board_cpu_state_tbl;
/* board specific functions */
void create_prelaunched_vm_e820(struct acrn_vm *vm);

5
hypervisor/include/arch/x86/host_pm.h
View File

@@ -19,6 +19,11 @@ struct cpu_state_info {
const struct cpu_cx_data *cx_data;
};
struct cpu_state_table {
char model_name[64];
struct cpu_state_info state_info;
};
struct pm_s_state_data *get_host_sstate_data(void);
void host_enter_s3(struct pm_s_state_data *sstate_data, uint32_t pm1a_cnt_val, uint32_t pm1b_cnt_val);
extern void asm_enter_s3(struct pm_s_state_data *sstate_data, uint32_t pm1a_cnt_val, uint32_t pm1b_cnt_val);