diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/cxl-event.h | 175 | ||||
| -rw-r--r-- | include/linux/einj-cxl.h | 44 |
2 files changed, 0 insertions, 219 deletions
diff --git a/include/linux/cxl-event.h b/include/linux/cxl-event.h deleted file mode 100644 index 0bea1afbd747..000000000000 --- a/include/linux/cxl-event.h +++ /dev/null @@ -1,175 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright(c) 2023 Intel Corporation. */ -#ifndef _LINUX_CXL_EVENT_H -#define _LINUX_CXL_EVENT_H - -#include <linux/types.h> -#include <linux/uuid.h> -#include <linux/workqueue_types.h> - -/* - * Common Event Record Format - * CXL rev 3.0 section 8.2.9.2.1; Table 8-42 - */ -struct cxl_event_record_hdr { - u8 length; - u8 flags[3]; - __le16 handle; - __le16 related_handle; - __le64 timestamp; - u8 maint_op_class; - u8 reserved[15]; -} __packed; - -struct cxl_event_media_hdr { - struct cxl_event_record_hdr hdr; - __le64 phys_addr; - u8 descriptor; - u8 type; - u8 transaction_type; - /* - * The meaning of Validity Flags from bit 2 is - * different across DRAM and General Media records - */ - u8 validity_flags[2]; - u8 channel; - u8 rank; -} __packed; - -#define CXL_EVENT_RECORD_DATA_LENGTH 0x50 -struct cxl_event_generic { - struct cxl_event_record_hdr hdr; - u8 data[CXL_EVENT_RECORD_DATA_LENGTH]; -} __packed; - -/* - * General Media Event Record - * CXL rev 3.0 Section 8.2.9.2.1.1; Table 8-43 - */ -#define CXL_EVENT_GEN_MED_COMP_ID_SIZE 0x10 -struct cxl_event_gen_media { - struct cxl_event_media_hdr media_hdr; - u8 device[3]; - u8 component_id[CXL_EVENT_GEN_MED_COMP_ID_SIZE]; - u8 reserved[46]; -} __packed; - -/* - * DRAM Event Record - DER - * CXL rev 3.0 section 8.2.9.2.1.2; Table 3-44 - */ -#define CXL_EVENT_DER_CORRECTION_MASK_SIZE 0x20 -struct cxl_event_dram { - struct cxl_event_media_hdr media_hdr; - u8 nibble_mask[3]; - u8 bank_group; - u8 bank; - u8 row[3]; - u8 column[2]; - u8 correction_mask[CXL_EVENT_DER_CORRECTION_MASK_SIZE]; - u8 reserved[0x17]; -} __packed; - -/* - * Get Health Info Record - * CXL rev 3.0 section 8.2.9.8.3.1; Table 8-100 - */ -struct cxl_get_health_info { - u8 health_status; - u8 media_status; - u8 add_status; - u8 life_used; - u8 device_temp[2]; - u8 dirty_shutdown_cnt[4]; - u8 cor_vol_err_cnt[4]; - u8 cor_per_err_cnt[4]; -} __packed; - -/* - * Memory Module Event Record - * CXL rev 3.0 section 8.2.9.2.1.3; Table 8-45 - */ -struct cxl_event_mem_module { - struct cxl_event_record_hdr hdr; - u8 event_type; - struct cxl_get_health_info info; - u8 reserved[0x3d]; -} __packed; - -union cxl_event { - struct cxl_event_generic generic; - struct cxl_event_gen_media gen_media; - struct cxl_event_dram dram; - struct cxl_event_mem_module mem_module; - /* dram & gen_media event header */ - struct cxl_event_media_hdr media_hdr; -} __packed; - -/* - * Common Event Record Format; in event logs - * CXL rev 3.0 section 8.2.9.2.1; Table 8-42 - */ -struct cxl_event_record_raw { - uuid_t id; - union cxl_event event; -} __packed; - -enum cxl_event_type { - CXL_CPER_EVENT_GENERIC, - CXL_CPER_EVENT_GEN_MEDIA, - CXL_CPER_EVENT_DRAM, - CXL_CPER_EVENT_MEM_MODULE, -}; - -#define CPER_CXL_DEVICE_ID_VALID BIT(0) -#define CPER_CXL_DEVICE_SN_VALID BIT(1) -#define CPER_CXL_COMP_EVENT_LOG_VALID BIT(2) -struct cxl_cper_event_rec { - struct { - u32 length; - u64 validation_bits; - struct cper_cxl_event_devid { - u16 vendor_id; - u16 device_id; - u8 func_num; - u8 device_num; - u8 bus_num; - u16 segment_num; - u16 slot_num; /* bits 2:0 reserved */ - u8 reserved; - } __packed device_id; - struct cper_cxl_event_sn { - u32 lower_dw; - u32 upper_dw; - } __packed dev_serial_num; - } __packed hdr; - - union cxl_event event; -} __packed; - -struct cxl_cper_work_data { - enum cxl_event_type event_type; - struct cxl_cper_event_rec rec; -}; - -#ifdef CONFIG_ACPI_APEI_GHES -int cxl_cper_register_work(struct work_struct *work); -int cxl_cper_unregister_work(struct work_struct *work); -int cxl_cper_kfifo_get(struct cxl_cper_work_data *wd); -#else -static inline int cxl_cper_register_work(struct work_struct *work) -{ - return 0; -} - -static inline int cxl_cper_unregister_work(struct work_struct *work) -{ - return 0; -} -static inline int cxl_cper_kfifo_get(struct cxl_cper_work_data *wd) -{ - return 0; -} -#endif - -#endif /* _LINUX_CXL_EVENT_H */ diff --git a/include/linux/einj-cxl.h b/include/linux/einj-cxl.h deleted file mode 100644 index 624ff6ff41f9..000000000000 --- a/include/linux/einj-cxl.h +++ /dev/null @@ -1,44 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * CXL protocol Error INJection support. - * - * Copyright (c) 2023 Advanced Micro Devices, Inc. - * All Rights Reserved. - * - * Author: Ben Cheatham <benjamin.cheatham@amd.com> - */ -#ifndef EINJ_CXL_H -#define EINJ_CXL_H - -#include <linux/errno.h> -#include <linux/types.h> - -struct pci_dev; -struct seq_file; - -#if IS_ENABLED(CONFIG_ACPI_APEI_EINJ_CXL) -int einj_cxl_available_error_type_show(struct seq_file *m, void *v); -int einj_cxl_inject_error(struct pci_dev *dport_dev, u64 type); -int einj_cxl_inject_rch_error(u64 rcrb, u64 type); -bool einj_cxl_is_initialized(void); -#else /* !IS_ENABLED(CONFIG_ACPI_APEI_EINJ_CXL) */ -static inline int einj_cxl_available_error_type_show(struct seq_file *m, - void *v) -{ - return -ENXIO; -} - -static inline int einj_cxl_inject_error(struct pci_dev *dport_dev, u64 type) -{ - return -ENXIO; -} - -static inline int einj_cxl_inject_rch_error(u64 rcrb, u64 type) -{ - return -ENXIO; -} - -static inline bool einj_cxl_is_initialized(void) { return false; } -#endif /* CONFIG_ACPI_APEI_EINJ_CXL */ - -#endif /* EINJ_CXL_H */ |