| // SPDX-License-Identifier: GPL-2.0-only |
| // Copyright(c) 2025 Intel Corporation. All rights reserved |
| |
| #include <linux/printk.h> |
| #include <cxl/event.h> |
| |
| int cxl_cper_sec_prot_err_valid(struct cxl_cper_sec_prot_err *prot_err) |
| { |
| if (!(prot_err->valid_bits & PROT_ERR_VALID_AGENT_ADDRESS)) { |
| pr_err_ratelimited("CXL CPER invalid agent type\n"); |
| return -EINVAL; |
| } |
| |
| if (!(prot_err->valid_bits & PROT_ERR_VALID_ERROR_LOG)) { |
| pr_err_ratelimited("CXL CPER invalid protocol error log\n"); |
| return -EINVAL; |
| } |
| |
| if (prot_err->err_len != sizeof(struct cxl_ras_capability_regs)) { |
| pr_err_ratelimited("CXL CPER invalid RAS Cap size (%u)\n", |
| prot_err->err_len); |
| return -EINVAL; |
| } |
| |
| if ((prot_err->agent_type == RCD || prot_err->agent_type == DEVICE || |
| prot_err->agent_type == LD || prot_err->agent_type == FMLD) && |
| !(prot_err->valid_bits & PROT_ERR_VALID_SERIAL_NUMBER)) |
| pr_warn_ratelimited(FW_WARN |
| "CXL CPER no device serial number\n"); |
| |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(cxl_cper_sec_prot_err_valid); |
