Jeenu Viswambharan | 2e2e881 | 2017-12-08 15:38:21 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #include <arch_helpers.h> |
| 8 | #include <debug.h> |
| 9 | #include <ea_handle.h> |
| 10 | #include <ehf.h> |
| 11 | #include <platform.h> |
| 12 | #include <ras.h> |
| 13 | #include <ras_arch.h> |
| 14 | |
| 15 | /* Handler that receives External Aborts on RAS-capable systems */ |
| 16 | int ras_ea_handler(unsigned int ea_reason, uint64_t syndrome, void *cookie, |
| 17 | void *handle, uint64_t flags) |
| 18 | { |
| 19 | unsigned int i, n_handled = 0, ret; |
| 20 | int probe_data; |
| 21 | struct err_record_info *info; |
| 22 | |
| 23 | const struct err_handler_data err_data = { |
| 24 | .version = ERR_HANDLER_VERSION, |
| 25 | .ea_reason = ea_reason, |
| 26 | .syndrome = syndrome, |
| 27 | .flags = flags, |
| 28 | .cookie = cookie, |
| 29 | .handle = handle |
| 30 | }; |
| 31 | |
| 32 | for_each_err_record_info(i, info) { |
| 33 | assert(info->probe != NULL); |
| 34 | assert(info->handler != NULL); |
| 35 | |
| 36 | /* Continue probing until the record group signals no error */ |
| 37 | while (1) { |
| 38 | if (info->probe(info, &probe_data) == 0) |
| 39 | break; |
| 40 | |
| 41 | /* Handle error */ |
| 42 | ret = info->handler(info, probe_data, &err_data); |
| 43 | if (ret != 0) |
| 44 | return ret; |
| 45 | |
| 46 | n_handled++; |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | return (n_handled != 0); |
| 51 | } |