Commit f04c62a7036a4b8490b224a9ad1be4378a3acf4d
1 parent
77c5f5d2f2
Exists in
smarc-l5.0.0_1.0.0-ga
and in
5 other branches
ghes_edac: add support for reporting errors via EDAC
Now that the EDAC core is capable of just forward the errors via the userspace API, add a report mechanism for the GHES errors. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Showing 1 changed file with 54 additions and 2 deletions Side-by-side Diff
drivers/edac/ghes_edac.c
| ... | ... | @@ -27,8 +27,60 @@ |
| 27 | 27 | static int ghes_edac_mc_num; |
| 28 | 28 | |
| 29 | 29 | void ghes_edac_report_mem_error(struct ghes *ghes, int sev, |
| 30 | - struct cper_sec_mem_err *mem_err) | |
| 30 | + struct cper_sec_mem_err *mem_err) | |
| 31 | 31 | { |
| 32 | + enum hw_event_mc_err_type type; | |
| 33 | + struct edac_raw_error_desc *e; | |
| 34 | + struct mem_ctl_info *mci; | |
| 35 | + struct ghes_edac_pvt *pvt = NULL; | |
| 36 | + | |
| 37 | + list_for_each_entry(pvt, &ghes_reglist, list) { | |
| 38 | + if (ghes == pvt->ghes) | |
| 39 | + break; | |
| 40 | + } | |
| 41 | + if (!pvt) { | |
| 42 | + pr_err("Internal error: Can't find EDAC structure\n"); | |
| 43 | + return; | |
| 44 | + } | |
| 45 | + mci = pvt->mci; | |
| 46 | + e = &mci->error_desc; | |
| 47 | + | |
| 48 | + /* Cleans the error report buffer */ | |
| 49 | + memset(e, 0, sizeof (*e)); | |
| 50 | + e->error_count = 1; | |
| 51 | + e->msg = "APEI"; | |
| 52 | + strcpy(e->label, "unknown"); | |
| 53 | + e->other_detail = ""; | |
| 54 | + | |
| 55 | + if (mem_err->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS) { | |
| 56 | + e->page_frame_number = mem_err->physical_addr >> PAGE_SHIFT; | |
| 57 | + e->offset_in_page = mem_err->physical_addr & ~PAGE_MASK; | |
| 58 | + e->grain = ~(mem_err->physical_addr_mask & ~PAGE_MASK); | |
| 59 | + } | |
| 60 | + | |
| 61 | + switch (sev) { | |
| 62 | + case GHES_SEV_CORRECTED: | |
| 63 | + type = HW_EVENT_ERR_CORRECTED; | |
| 64 | + break; | |
| 65 | + case GHES_SEV_RECOVERABLE: | |
| 66 | + type = HW_EVENT_ERR_UNCORRECTED; | |
| 67 | + break; | |
| 68 | + case GHES_SEV_PANIC: | |
| 69 | + type = HW_EVENT_ERR_FATAL; | |
| 70 | + break; | |
| 71 | + default: | |
| 72 | + case GHES_SEV_NO: | |
| 73 | + type = HW_EVENT_ERR_INFO; | |
| 74 | + } | |
| 75 | + | |
| 76 | + sprintf(e->location, | |
| 77 | + "node:%d card:%d module:%d bank:%d device:%d row: %d column:%d bit_pos:%d", | |
| 78 | + mem_err->node, mem_err->card, mem_err->module, | |
| 79 | + mem_err->bank, mem_err->device, mem_err->row, mem_err->column, | |
| 80 | + mem_err->bit_pos); | |
| 81 | + edac_dbg(3, "error at location %s\n", e->location); | |
| 82 | + | |
| 83 | + edac_raw_mc_handle_error(type, mci, e); | |
| 32 | 84 | } |
| 33 | 85 | EXPORT_SYMBOL_GPL(ghes_edac_report_mem_error); |
| 34 | 86 | |
| ... | ... | @@ -60,7 +112,7 @@ |
| 60 | 112 | |
| 61 | 113 | pvt = mci->pvt_info; |
| 62 | 114 | memset(pvt, 0, sizeof(*pvt)); |
| 63 | - list_add_tail(&pvt->list, &ghes_reglist); | |
| 115 | + list_add_tail(&pvt->list, &ghes_reglist); | |
| 64 | 116 | pvt->ghes = ghes; |
| 65 | 117 | pvt->mci = mci; |
| 66 | 118 | mci->pdev = dev; |