| Rocky Phagura | d4db36e | 2021-04-03 08:49:32 -0700 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 2 | |
| 3 | #include <soc/acpi.h> |
| 4 | #include <acpi/acpi_gnvs.h> |
| 5 | #include <cbmem.h> |
| 6 | #include <console/console.h> |
| 7 | #include <soc/hest.h> |
| 8 | #include <intelblocks/nvs.h> |
| 9 | |
| 10 | static u64 hest_get_elog_addr(void) |
| 11 | { |
| 12 | /* The elog address comes from reserved memory */ |
| 13 | struct global_nvs *gnvs; |
| 14 | gnvs = acpi_get_gnvs(); |
| 15 | if (!gnvs) { |
| 16 | printk(BIOS_ERR, "Unable to get gnvs\n"); |
| 17 | return 0; |
| 18 | } |
| 19 | |
| 20 | /* Runtime logging address */ |
| 21 | printk(BIOS_DEBUG, "\t status blk start addr = %llx\n", gnvs->hest_log_addr); |
| 22 | printk(BIOS_DEBUG, "\t size = %x\n", CONFIG_ERROR_LOG_BUFFER_SIZE); |
| 23 | return gnvs->hest_log_addr; |
| 24 | } |
| 25 | |
| 26 | static u32 acpi_hest_add_ghes(void *current) |
| 27 | { |
| 28 | ghes_record_t *rec = (ghes_record_t *)current; |
| 29 | u32 size = sizeof(ghes_record_t); |
| 30 | |
| 31 | /* Fill GHES error source descriptor */ |
| 32 | memset(rec, 0, size); |
| 33 | rec->esd.type = HEST_GHES_DESC_TYPE; |
| 34 | rec->esd.source_id = 0; /* 0 for MCE check exception source */ |
| 35 | rec->esd.enabled = 1; |
| 36 | rec->esd.related_src_id = 0xffff; |
| 37 | rec->esd.prealloc_erecords = 1; |
| 38 | rec->esd.max_section_per_record = 0xf; |
| 39 | rec->max_raw_data_length = GHES_MAX_RAW_DATA_LENGTH; |
| 40 | |
| 41 | /* Add error_status_address */ |
| 42 | rec->sts_addr.space_id = 0; |
| 43 | rec->sts_addr.bit_width = 0x40; |
| 44 | rec->sts_addr.bit_offset = 0; |
| 45 | rec->sts_addr.access_size = QWORD_ACCESS; |
| 46 | |
| 47 | /* Add notification structure */ |
| 48 | rec->notify.type = NOTIFY_TYPE_SCI; |
| 49 | rec->notify.length = sizeof(acpi_hest_hen_t); |
| 50 | rec->err_sts_blk_len = GHEST_ERROR_STATUS_BLOCK_LENGTH; |
| 51 | |
| 52 | /* error status block entries start address */ |
| 53 | if (CONFIG(SOC_ACPI_HEST)) |
| 54 | rec->sts_addr.addr = hest_get_elog_addr(); |
| 55 | |
| 56 | return size; |
| 57 | } |
| 58 | |
| 59 | static unsigned long acpi_fill_hest(acpi_hest_t *hest) |
| 60 | { |
| 61 | acpi_header_t *header = &(hest->header); |
| 62 | void *current; |
| 63 | current = (void *)(hest); |
| 64 | void *next = current; |
| 65 | next = hest + 1; |
| 66 | next += acpi_hest_add_ghes(next); |
| 67 | hest->error_source_count += 1; |
| 68 | header->length += next - current; |
| 69 | return header->length; |
| 70 | } |
| 71 | |
| 72 | unsigned long hest_create(unsigned long current, struct acpi_rsdp *rsdp) |
| 73 | { |
| 74 | struct global_nvs *gnvs; |
| 75 | acpi_hest_t *hest; |
| 76 | |
| 77 | /* Reserve memory for Enhanced error logging */ |
| Angel Pons | 5484a95 | 2021-11-24 11:34:40 +0100 | [diff] [blame] | 78 | void *mem = cbmem_add(CBMEM_ID_ACPI_HEST, CONFIG_ERROR_LOG_BUFFER_SIZE); |
| Rocky Phagura | d4db36e | 2021-04-03 08:49:32 -0700 | [diff] [blame] | 79 | if (!mem) { |
| 80 | printk(BIOS_ERR, "Unable to allocate HEST memory\n"); |
| 81 | return current; |
| 82 | } |
| 83 | |
| 84 | printk(BIOS_DEBUG, "HEST memory created: %p\n", mem); |
| 85 | gnvs = acpi_get_gnvs(); |
| 86 | if (!gnvs) { |
| 87 | printk(BIOS_ERR, "Unable to get gnvs\n"); |
| 88 | return current; |
| 89 | } |
| 90 | gnvs->hest_log_addr = (uintptr_t)mem; |
| 91 | printk(BIOS_DEBUG, "elog_addr: %llx, size:%x\n", gnvs->hest_log_addr, |
| 92 | CONFIG_ERROR_LOG_BUFFER_SIZE); |
| 93 | |
| Elyes Haouas | d6b6b22 | 2022-10-10 12:34:21 +0200 | [diff] [blame^] | 94 | current = ALIGN_UP(current, 8); |
| Rocky Phagura | d4db36e | 2021-04-03 08:49:32 -0700 | [diff] [blame] | 95 | hest = (acpi_hest_t *)current; |
| 96 | acpi_write_hest(hest, acpi_fill_hest); |
| 97 | acpi_add_table(rsdp, (void *)current); |
| 98 | current += hest->header.length; |
| 99 | return current; |
| 100 | } |