Subrata Banik | 6de1d9f | 2022-03-20 19:50:38 +0530 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 2 | |
Subrata Banik | 6de1d9f | 2022-03-20 19:50:38 +0530 | [diff] [blame] | 3 | #include <console/console.h> |
| 4 | #include <fsp/util.h> |
| 5 | #include <lib.h> |
| 6 | |
Ronak Kanabar | 7bb9319 | 2023-06-14 09:28:16 +0530 | [diff] [blame] | 7 | #define TIMESTAMP_TO_MICRO(x) ((x) / 1000ull) |
Subrata Banik | 6de1d9f | 2022-03-20 19:50:38 +0530 | [diff] [blame] | 8 | |
| 9 | static const uint8_t fpdt_guid[16] = { |
| 10 | 0xfd, 0x7b, 0x38, 0x3b, 0xbc, 0x7a, 0xf2, 0x4c, |
| 11 | 0xa0, 0xca, 0xb6, 0xa1, 0x6c, 0x1b, 0x1b, 0x25, |
| 12 | }; |
| 13 | |
| 14 | enum fpdt_record_type { |
| 15 | FPDT_GUID_EVENT = 0x1010, |
| 16 | FPDT_STRING_EVENT = 0x1011, |
| 17 | }; |
| 18 | |
| 19 | struct perf_record_hdr { |
| 20 | uint16_t type; |
| 21 | uint8_t length; |
| 22 | uint8_t revision; |
| 23 | } __packed; |
| 24 | |
| 25 | struct generic_event_record { |
| 26 | struct perf_record_hdr header; |
| 27 | uint16_t progress_id; |
| 28 | uint32_t apic_id; |
| 29 | uint64_t timestamp; |
| 30 | uint8_t guid[16]; |
Elyes Haouas | f792646 | 2023-07-28 06:07:35 +0200 | [diff] [blame] | 31 | uint8_t string[]; |
Subrata Banik | 6de1d9f | 2022-03-20 19:50:38 +0530 | [diff] [blame] | 32 | } __packed; |
| 33 | |
| 34 | /* |
Martin Roth | 74f1877 | 2023-09-03 21:38:29 -0600 | [diff] [blame^] | 35 | * Performance HOB: |
Subrata Banik | 6de1d9f | 2022-03-20 19:50:38 +0530 | [diff] [blame] | 36 | * GUID - fpdt_guid; |
| 37 | * Data - FPDT_PEI_EXT_PERF_HEADER one or more FPDT records |
| 38 | */ |
| 39 | struct fpdt_pei_ext_perf_header { |
| 40 | uint32_t table_size; |
| 41 | uint32_t load_image_count; |
| 42 | uint32_t hob_is_full; |
| 43 | } __packed; |
| 44 | |
| 45 | static void print_guid_record(const struct generic_event_record *rec) |
| 46 | { |
Ronak Kanabar | 7bb9319 | 2023-06-14 09:28:16 +0530 | [diff] [blame] | 47 | printk(BIOS_INFO, "%5x\t%16llu\t\t", rec->progress_id, TIMESTAMP_TO_MICRO(rec->timestamp)); |
Felix Held | 50c0a6d | 2022-11-14 22:11:56 +0100 | [diff] [blame] | 48 | fsp_print_guid(BIOS_INFO, rec->guid); |
Subrata Banik | 6de1d9f | 2022-03-20 19:50:38 +0530 | [diff] [blame] | 49 | printk(BIOS_INFO, "\n"); |
| 50 | } |
| 51 | |
| 52 | static void print_string_record(const struct generic_event_record *rec) |
| 53 | { |
| 54 | size_t str_len = rec->header.length - offsetof(struct generic_event_record, string); |
| 55 | printk(BIOS_INFO, "%5x\t%16llu\t\t%*s/", |
Ronak Kanabar | 7bb9319 | 2023-06-14 09:28:16 +0530 | [diff] [blame] | 56 | rec->progress_id, TIMESTAMP_TO_MICRO(rec->timestamp), (int)str_len, rec->string); |
Felix Held | 50c0a6d | 2022-11-14 22:11:56 +0100 | [diff] [blame] | 57 | fsp_print_guid(BIOS_INFO, rec->guid); |
Subrata Banik | 6de1d9f | 2022-03-20 19:50:38 +0530 | [diff] [blame] | 58 | printk(BIOS_INFO, "\n"); |
| 59 | } |
| 60 | |
| 61 | static void print_fsp_perf_timestamp(const struct generic_event_record *rec) |
| 62 | { |
| 63 | switch (rec->header.type) { |
| 64 | case FPDT_GUID_EVENT: |
| 65 | print_guid_record(rec); |
| 66 | break; |
| 67 | case FPDT_STRING_EVENT: |
| 68 | print_string_record(rec); |
| 69 | break; |
| 70 | default: |
| 71 | printk(BIOS_INFO, "Unhandled Event Type 0x%x\n", rec->header.type); |
| 72 | break; |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | static void print_fsp_timestamp_header(void) |
| 77 | { |
| 78 | printk(BIOS_INFO, "+---------------------------------------------------+\n"); |
| 79 | printk(BIOS_INFO, "|------ FSP Performance Timestamp Table Dump -------|\n"); |
| 80 | printk(BIOS_INFO, "+---------------------------------------------------+\n"); |
Ronak Kanabar | 7bb9319 | 2023-06-14 09:28:16 +0530 | [diff] [blame] | 81 | printk(BIOS_INFO, "| Perf-ID\tTimestamp(us)\t\tString/GUID |\n"); |
Subrata Banik | 6de1d9f | 2022-03-20 19:50:38 +0530 | [diff] [blame] | 82 | printk(BIOS_INFO, "+---------------------------------------------------+\n"); |
| 83 | } |
| 84 | |
| 85 | void fsp_display_timestamp(void) |
| 86 | { |
| 87 | size_t size; |
| 88 | const struct fpdt_pei_ext_perf_header *hdr = fsp_find_extension_hob_by_guid(fpdt_guid, |
| 89 | &size); |
| 90 | |
| 91 | if (!hdr || !size) { |
| 92 | printk(BIOS_INFO, "FPDT Extended Firmware Performance HOB Not Found!\n" |
| 93 | "Check if PcdFspPerformanceEnable is set to `TRUE` inside FSP package\n"); |
| 94 | return; |
| 95 | } |
| 96 | |
| 97 | const struct generic_event_record *rec = (const struct generic_event_record *)( |
| 98 | (uint8_t *)hdr + sizeof(struct fpdt_pei_ext_perf_header)); |
| 99 | |
| 100 | print_fsp_timestamp_header(); |
| 101 | for (size_t i = 0; i < hdr->table_size;) { |
| 102 | print_fsp_perf_timestamp(rec); |
| 103 | |
| 104 | i += rec->header.length; |
| 105 | rec = (const struct generic_event_record *)((uint8_t *)rec + |
| 106 | rec->header.length); |
| 107 | } |
| 108 | } |