src/drivers/intel/fsp2_0/ppi/mp_service2.c

   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
   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
  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
  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
  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
  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
  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
  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
  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
  83 void *mp_fill_ppi_services_data(void)
  84 {
  85         return (void *)&mp_service2_ppi;
  86 }