diff options
Diffstat (limited to 'drivers/soc/marvell/octeontx2-ghes/otx2-sdei-ghes.h')
| -rw-r--r-- | drivers/soc/marvell/octeontx2-ghes/otx2-sdei-ghes.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/soc/marvell/octeontx2-ghes/otx2-sdei-ghes.h b/drivers/soc/marvell/octeontx2-ghes/otx2-sdei-ghes.h new file mode 100644 index 000000000000..f2f12f042722 --- /dev/null +++ b/drivers/soc/marvell/octeontx2-ghes/otx2-sdei-ghes.h @@ -0,0 +1,70 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Copyright (C) 2019 Marvell International Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Supports OcteonTX2 Generic Hardware Error Source[s] (GHES). + * + */ + +#ifndef __OTX2_SDEI_GHES_H__ +#define __OTX2_SDEI_GHES_H__ + +#define SDEI_GHES_EVENT_NAME_MAX_CHARS 16 +/* + * @estatus_pa: physical address of error status information block + * @estatus_address: mapped pointer to error_status_address + * @estatus: mapped pointer to error status block + */ +struct otx2_ghes_event { + char name[SDEI_GHES_EVENT_NAME_MAX_CHARS]; + u32 id; + phys_addr_t estatus_pa; + phys_addr_t *estatus_address; + struct acpi_hest_generic_status *estatus; + struct otx2_ghes_err_ring *ring; +}; + +/** + * struct otx2_sdei_ghes_drv: driver state + * + * @of_node: associated device tree node + * @event_list: list of [SDEI] events + * @event_count: count of [SDEI] events (size of @event_list) + */ +struct otx2_sdei_ghes_drv { + struct device_node *of_node; + struct otx2_ghes_event *event_list; + size_t event_count; +}; + +#define OTX2_GHES_ERR_REC_FRU_TEXT_LEN 32 +/* This is shared with ATF */ +struct otx2_ghes_err_record { + union { + struct cper_sec_mem_err_old mcc; + struct cper_sec_mem_err_old mdc; + struct cper_sec_mem_err_old lmc; + struct cper_arm_err_info ap; /* application processor */ + } u; + uint32_t severity; /* CPER_SEV_xxx */ + char fru_text[OTX2_GHES_ERR_REC_FRU_TEXT_LEN]; +}; + +/* This is shared with ATF */ +struct otx2_ghes_err_ring { + /* The head resides in DRAM & can be updated by ATF (i.e. firmware). + * See Documentation/process/volatile-considered-harmful.rst, line 92. + */ + uint32_t volatile head; + uint32_t tail; + uint32_t size; /* ring size */ + /* ring of records */ + struct otx2_ghes_err_record records[1] __aligned(8); +}; + +#endif // __OTX2_SDEI_GHES_H__ + |