xref: /aosp_15_r20/external/coreboot/src/drivers/intel/fsp2_0/ppi/mp_service2.c (revision b9411a12aaaa7e1e6a6fb7c5e057f44ee179a49c)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #include <fsp/api.h>
4 #include <fsp/ppi/mp_service_ppi.h>
5 #include <Ppi/MpServices2.h>
6 
7 typedef EDKII_PEI_MP_SERVICES2_PPI efi_pei_mp_services_ppi;
8 
mps2_get_number_of_processors(efi_pei_mp_services_ppi * ignored1,efi_uintn_t * number_of_processors,efi_uintn_t * number_of_enabled_processors)9 static __efiapi efi_return_status_t mps2_get_number_of_processors(
10 	efi_pei_mp_services_ppi *ignored1,
11 	efi_uintn_t *number_of_processors,
12 	efi_uintn_t *number_of_enabled_processors)
13 {
14 	return mp_get_number_of_processors(number_of_processors, number_of_enabled_processors);
15 }
16 
mps2_get_processor_info(efi_pei_mp_services_ppi * ignored1,efi_uintn_t processor_number,efi_processor_information * processor_info_buffer)17 static __efiapi efi_return_status_t mps2_get_processor_info(
18 	efi_pei_mp_services_ppi *ignored1,
19 	efi_uintn_t processor_number,
20 	efi_processor_information *processor_info_buffer)
21 {
22 	return mp_get_processor_info(processor_number, processor_info_buffer);
23 }
24 
mps2_startup_all_aps(efi_pei_mp_services_ppi * ignored1,efi_ap_procedure procedure,efi_boolean_t run_serial,efi_uintn_t timeout_usec,void * argument)25 static __efiapi efi_return_status_t mps2_startup_all_aps(
26 	efi_pei_mp_services_ppi *ignored1,
27 	efi_ap_procedure procedure, efi_boolean_t run_serial,
28 	efi_uintn_t timeout_usec, void *argument)
29 {
30 	return mp_startup_all_aps(procedure, run_serial, timeout_usec, argument);
31 }
32 
mps2_startup_all_cpus(efi_pei_mp_services_ppi * ignored1,efi_ap_procedure procedure,efi_uintn_t timeout_usec,void * argument)33 static __efiapi efi_return_status_t mps2_startup_all_cpus(
34 	efi_pei_mp_services_ppi *ignored1,
35 	efi_ap_procedure procedure,
36 	efi_uintn_t timeout_usec, void *argument)
37 {
38 	return mp_startup_all_cpus(procedure, timeout_usec, argument);
39 }
40 
mps2_startup_this_ap(efi_pei_mp_services_ppi * ignored1,efi_ap_procedure procedure,efi_uintn_t processor_number,efi_uintn_t timeout_usec,void * argument)41 static __efiapi efi_return_status_t mps2_startup_this_ap(
42 	efi_pei_mp_services_ppi *ignored1,
43 	efi_ap_procedure procedure, efi_uintn_t processor_number,
44 	efi_uintn_t timeout_usec, void *argument)
45 {
46 	return mp_startup_this_ap(procedure, processor_number, timeout_usec, argument);
47 }
48 
mps2_switch_bsp(efi_pei_mp_services_ppi * ignored1,efi_uintn_t ignored2,efi_boolean_t ignored3)49 static __efiapi efi_return_status_t mps2_switch_bsp(
50 	efi_pei_mp_services_ppi *ignored1, efi_uintn_t ignored2,
51 	efi_boolean_t ignored3)
52 {
53 	return mp_api_unsupported();
54 }
55 
mps2_enable_disable_ap(efi_pei_mp_services_ppi * ignored1,efi_uintn_t ignored2,efi_boolean_t ignored3,efi_uint32_t * ignored4)56 static __efiapi efi_return_status_t mps2_enable_disable_ap(
57 	efi_pei_mp_services_ppi *ignored1,
58 	efi_uintn_t ignored2, efi_boolean_t ignored3, efi_uint32_t *ignored4)
59 {
60 	return mp_api_unsupported();
61 }
62 
mps2_identify_processor(efi_pei_mp_services_ppi * ignored1,efi_uintn_t * processor_number)63 static __efiapi efi_return_status_t mps2_identify_processor(
64 	efi_pei_mp_services_ppi *ignored1,
65 	efi_uintn_t *processor_number)
66 {
67 	return mp_identify_processor(processor_number);
68 }
69 
70 /* edk2 UEFIPKG Open Source MP Services 2 PPI to be installed */
71 
72 static efi_pei_mp_services_ppi mp_service2_ppi = {
73 	mps2_get_number_of_processors,
74 	mps2_get_processor_info,
75 	mps2_startup_all_aps,
76 	mps2_startup_this_ap,
77 	mps2_switch_bsp,
78 	mps2_enable_disable_ap,
79 	mps2_identify_processor,
80 	mps2_startup_all_cpus,
81 };
82 
mp_fill_ppi_services_data(void)83 void *mp_fill_ppi_services_data(void)
84 {
85 	return (void *)&mp_service2_ppi;
86 }
87