Orange Pi5 kernel

// SPDX-License-Identifier: GPL-2.0
/*
 * UEFI Common Platform Error Record (CPER) support
 *
 * Copyright (C) 2010, Intel Corp.
 *	Author: Huang Ying <ying.huang@intel.com>
 *
 * CPER is the format used to describe platform hardware error by
 * various tables, such as ERST, BERT and HEST etc.
 *
 * For more information about CPER, please refer to Appendix N of UEFI
 * Specification version 2.4.
 */
 
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/time.h>
#include <linux/cper.h>
#include <linux/dmi.h>
#include <linux/acpi.h>
#include <linux/pci.h>
#include <linux/aer.h>
#include <linux/printk.h>
#include <linux/bcd.h>
#include <acpi/ghes.h>
#include <ras/ras_event.h>
 
/*
 * CPER record ID need to be unique even after reboot, because record
 * ID is used as index for ERST storage, while CPER records from
 * multiple boot may co-exist in ERST.
 */
u64 cper_next_record_id(void)
{
<------>static atomic64_t seq;
 
<------>if (!atomic64_read(&seq)) {
<------><------>time64_t time = ktime_get_real_seconds();
 
<------><------>/*
<------><------> * This code is unlikely to still be needed in year 2106,
<------><------> * but just in case, let's use a few more bits for timestamps
<------><------> * after y2038 to be sure they keep increasing monotonically
<------><------> * for the next few hundred years...
<------><------> */
<------><------>if (time < 0x80000000)
<------><------><------>atomic64_set(&seq, (ktime_get_real_seconds()) << 32);
<------><------>else
<------><------><------>atomic64_set(&seq, 0x8000000000000000ull |
<------><------><------><------><------>   ktime_get_real_seconds() << 24);
<------>}
 
<------>return atomic64_inc_return(&seq);
}
EXPORT_SYMBOL_GPL(cper_next_record_id);
 
static const char * const severity_strs[] = {
<------>"recoverable",
<------>"fatal",
<------>"corrected",
<------>"info",
};
 
const char *cper_severity_str(unsigned int severity)
{
<------>return severity < ARRAY_SIZE(severity_strs) ?
<------><------>severity_strs[severity] : "unknown";
}
EXPORT_SYMBOL_GPL(cper_severity_str);
 
/*
 * cper_print_bits - print strings for set bits
 * @pfx: prefix for each line, including log level and prefix string
 * @bits: bit mask
 * @strs: string array, indexed by bit position
 * @strs_size: size of the string array: @strs
 *
 * For each set bit in @bits, print the corresponding string in @strs.
 * If the output length is longer than 80, multiple line will be
 * printed, with @pfx is printed at the beginning of each line.
 */
void cper_print_bits(const char *pfx, unsigned int bits,
<------><------>     const char * const strs[], unsigned int strs_size)
{
<------>int i, len = 0;
<------>const char *str;
<------>char buf[84];
 
<------>for (i = 0; i < strs_size; i++) {
<------><------>if (!(bits & (1U << i)))
<------><------><------>continue;
<------><------>str = strs[i];
<------><------>if (!str)
<------><------><------>continue;
<------><------>if (len && len + strlen(str) + 2 > 80) {
<------><------><------>printk("%s\n", buf);
<------><------><------>len = 0;
<------><------>}
<------><------>if (!len)
<------><------><------>len = snprintf(buf, sizeof(buf), "%s%s", pfx, str);
<------><------>else
<------><------><------>len += scnprintf(buf+len, sizeof(buf)-len, ", %s", str);
<------>}
<------>if (len)
<------><------>printk("%s\n", buf);
}
 
static const char * const proc_type_strs[] = {
<------>"IA32/X64",
<------>"IA64",
<------>"ARM",
};
 
static const char * const proc_isa_strs[] = {
<------>"IA32",
<------>"IA64",
<------>"X64",
<------>"ARM A32/T32",
<------>"ARM A64",
};
 
const char * const cper_proc_error_type_strs[] = {
<------>"cache error",
<------>"TLB error",
<------>"bus error",
<------>"micro-architectural error",
};
 
static const char * const proc_op_strs[] = {
<------>"unknown or generic",
<------>"data read",
<------>"data write",
<------>"instruction execution",
};
 
static const char * const proc_flag_strs[] = {
<------>"restartable",
<------>"precise IP",
<------>"overflow",
<------>"corrected",
};
 
static void cper_print_proc_generic(const char *pfx,
<------><------><------><------>    const struct cper_sec_proc_generic *proc)
{
<------>if (proc->validation_bits & CPER_PROC_VALID_TYPE)
<------><------>printk("%s""processor_type: %d, %s\n", pfx, proc->proc_type,
<------><------>       proc->proc_type < ARRAY_SIZE(proc_type_strs) ?
<------><------>       proc_type_strs[proc->proc_type] : "unknown");
<------>if (proc->validation_bits & CPER_PROC_VALID_ISA)
<------><------>printk("%s""processor_isa: %d, %s\n", pfx, proc->proc_isa,
<------><------>       proc->proc_isa < ARRAY_SIZE(proc_isa_strs) ?
<------><------>       proc_isa_strs[proc->proc_isa] : "unknown");
<------>if (proc->validation_bits & CPER_PROC_VALID_ERROR_TYPE) {
<------><------>printk("%s""error_type: 0x%02x\n", pfx, proc->proc_error_type);
<------><------>cper_print_bits(pfx, proc->proc_error_type,
<------><------><------><------>cper_proc_error_type_strs,
<------><------><------><------>ARRAY_SIZE(cper_proc_error_type_strs));
<------>}
<------>if (proc->validation_bits & CPER_PROC_VALID_OPERATION)
<------><------>printk("%s""operation: %d, %s\n", pfx, proc->operation,
<------><------>       proc->operation < ARRAY_SIZE(proc_op_strs) ?
<------><------>       proc_op_strs[proc->operation] : "unknown");
<------>if (proc->validation_bits & CPER_PROC_VALID_FLAGS) {
<------><------>printk("%s""flags: 0x%02x\n", pfx, proc->flags);
<------><------>cper_print_bits(pfx, proc->flags, proc_flag_strs,
<------><------><------><------>ARRAY_SIZE(proc_flag_strs));
<------>}
<------>if (proc->validation_bits & CPER_PROC_VALID_LEVEL)
<------><------>printk("%s""level: %d\n", pfx, proc->level);
<------>if (proc->validation_bits & CPER_PROC_VALID_VERSION)
<------><------>printk("%s""version_info: 0x%016llx\n", pfx, proc->cpu_version);
<------>if (proc->validation_bits & CPER_PROC_VALID_ID)
<------><------>printk("%s""processor_id: 0x%016llx\n", pfx, proc->proc_id);
<------>if (proc->validation_bits & CPER_PROC_VALID_TARGET_ADDRESS)
<------><------>printk("%s""target_address: 0x%016llx\n",
<------><------>       pfx, proc->target_addr);
<------>if (proc->validation_bits & CPER_PROC_VALID_REQUESTOR_ID)
<------><------>printk("%s""requestor_id: 0x%016llx\n",
<------><------>       pfx, proc->requestor_id);
<------>if (proc->validation_bits & CPER_PROC_VALID_RESPONDER_ID)
<------><------>printk("%s""responder_id: 0x%016llx\n",
<------><------>       pfx, proc->responder_id);
<------>if (proc->validation_bits & CPER_PROC_VALID_IP)
<------><------>printk("%s""IP: 0x%016llx\n", pfx, proc->ip);
}
 
static const char * const mem_err_type_strs[] = {
<------>"unknown",
<------>"no error",
<------>"single-bit ECC",
<------>"multi-bit ECC",
<------>"single-symbol chipkill ECC",
<------>"multi-symbol chipkill ECC",
<------>"master abort",
<------>"target abort",
<------>"parity error",
<------>"watchdog timeout",
<------>"invalid address",
<------>"mirror Broken",
<------>"memory sparing",
<------>"scrub corrected error",
<------>"scrub uncorrected error",
<------>"physical memory map-out event",
};
 
const char *cper_mem_err_type_str(unsigned int etype)
{
<------>return etype < ARRAY_SIZE(mem_err_type_strs) ?
<------><------>mem_err_type_strs[etype] : "unknown";
}
EXPORT_SYMBOL_GPL(cper_mem_err_type_str);
 
static int cper_mem_err_location(struct cper_mem_err_compact *mem, char *msg)
{
<------>u32 len, n;
 
<------>if (!msg)
<------><------>return 0;
 
<------>n = 0;
<------>len = CPER_REC_LEN - 1;
<------>if (mem->validation_bits & CPER_MEM_VALID_NODE)
<------><------>n += scnprintf(msg + n, len - n, "node: %d ", mem->node);
<------>if (mem->validation_bits & CPER_MEM_VALID_CARD)
<------><------>n += scnprintf(msg + n, len - n, "card: %d ", mem->card);
<------>if (mem->validation_bits & CPER_MEM_VALID_MODULE)
<------><------>n += scnprintf(msg + n, len - n, "module: %d ", mem->module);
<------>if (mem->validation_bits & CPER_MEM_VALID_RANK_NUMBER)
<------><------>n += scnprintf(msg + n, len - n, "rank: %d ", mem->rank);
<------>if (mem->validation_bits & CPER_MEM_VALID_BANK)
<------><------>n += scnprintf(msg + n, len - n, "bank: %d ", mem->bank);
<------>if (mem->validation_bits & CPER_MEM_VALID_BANK_GROUP)
<------><------>n += scnprintf(msg + n, len - n, "bank_group: %d ",
<------><------><------>       mem->bank >> CPER_MEM_BANK_GROUP_SHIFT);
<------>if (mem->validation_bits & CPER_MEM_VALID_BANK_ADDRESS)
<------><------>n += scnprintf(msg + n, len - n, "bank_address: %d ",
<------><------><------>       mem->bank & CPER_MEM_BANK_ADDRESS_MASK);
<------>if (mem->validation_bits & CPER_MEM_VALID_DEVICE)
<------><------>n += scnprintf(msg + n, len - n, "device: %d ", mem->device);
<------>if (mem->validation_bits & (CPER_MEM_VALID_ROW | CPER_MEM_VALID_ROW_EXT)) {
<------><------>u32 row = mem->row;
 
<------><------>row |= cper_get_mem_extension(mem->validation_bits, mem->extended);
<------><------>n += scnprintf(msg + n, len - n, "row: %d ", row);
<------>}
<------>if (mem->validation_bits & CPER_MEM_VALID_COLUMN)
<------><------>n += scnprintf(msg + n, len - n, "column: %d ", mem->column);
<------>if (mem->validation_bits & CPER_MEM_VALID_BIT_POSITION)
<------><------>n += scnprintf(msg + n, len - n, "bit_position: %d ",
<------><------><------>       mem->bit_pos);
<------>if (mem->validation_bits & CPER_MEM_VALID_REQUESTOR_ID)
<------><------>n += scnprintf(msg + n, len - n, "requestor_id: 0x%016llx ",
<------><------><------>       mem->requestor_id);
<------>if (mem->validation_bits & CPER_MEM_VALID_RESPONDER_ID)
<------><------>n += scnprintf(msg + n, len - n, "responder_id: 0x%016llx ",
<------><------><------>       mem->responder_id);
<------>if (mem->validation_bits & CPER_MEM_VALID_TARGET_ID)
<------><------>scnprintf(msg + n, len - n, "target_id: 0x%016llx ",
<------><------><------>  mem->target_id);
<------>if (mem->validation_bits & CPER_MEM_VALID_CHIP_ID)
<------><------>scnprintf(msg + n, len - n, "chip_id: %d ",
<------><------><------>  mem->extended >> CPER_MEM_CHIP_ID_SHIFT);
 
<------>msg[n] = '\0';
<------>return n;
}
 
static int cper_dimm_err_location(struct cper_mem_err_compact *mem, char *msg)
{
<------>u32 len, n;
<------>const char *bank = NULL, *device = NULL;
 
<------>if (!msg || !(mem->validation_bits & CPER_MEM_VALID_MODULE_HANDLE))
<------><------>return 0;
 
<------>len = CPER_REC_LEN;
<------>dmi_memdev_name(mem->mem_dev_handle, &bank, &device);
<------>if (bank && device)
<------><------>n = snprintf(msg, len, "DIMM location: %s %s ", bank, device);
<------>else
<------><------>n = snprintf(msg, len,
<------><------><------>     "DIMM location: not present. DMI handle: 0x%.4x ",
<------><------><------>     mem->mem_dev_handle);
 
<------>return n;
}
 
void cper_mem_err_pack(const struct cper_sec_mem_err *mem,
<------><------>       struct cper_mem_err_compact *cmem)
{
<------>cmem->validation_bits = mem->validation_bits;
<------>cmem->node = mem->node;
<------>cmem->card = mem->card;
<------>cmem->module = mem->module;
<------>cmem->bank = mem->bank;
<------>cmem->device = mem->device;
<------>cmem->row = mem->row;
<------>cmem->column = mem->column;
<------>cmem->bit_pos = mem->bit_pos;
<------>cmem->requestor_id = mem->requestor_id;
<------>cmem->responder_id = mem->responder_id;
<------>cmem->target_id = mem->target_id;
<------>cmem->extended = mem->extended;
<------>cmem->rank = mem->rank;
<------>cmem->mem_array_handle = mem->mem_array_handle;
<------>cmem->mem_dev_handle = mem->mem_dev_handle;
}
 
const char *cper_mem_err_unpack(struct trace_seq *p,
<------><------><------><------>struct cper_mem_err_compact *cmem)
{
<------>const char *ret = trace_seq_buffer_ptr(p);
<------>char rcd_decode_str[CPER_REC_LEN];
 
<------>if (cper_mem_err_location(cmem, rcd_decode_str))
<------><------>trace_seq_printf(p, "%s", rcd_decode_str);
<------>if (cper_dimm_err_location(cmem, rcd_decode_str))
<------><------>trace_seq_printf(p, "%s", rcd_decode_str);
<------>trace_seq_putc(p, '\0');
 
<------>return ret;
}
 
static void cper_print_mem(const char *pfx, const struct cper_sec_mem_err *mem,
<------>int len)
{
<------>struct cper_mem_err_compact cmem;
<------>char rcd_decode_str[CPER_REC_LEN];
 
<------>/* Don't trust UEFI 2.1/2.2 structure with bad validation bits */
<------>if (len == sizeof(struct cper_sec_mem_err_old) &&
<------>    (mem->validation_bits & ~(CPER_MEM_VALID_RANK_NUMBER - 1))) {
<------><------>pr_err(FW_WARN "valid bits set for fields beyond structure\n");
<------><------>return;
<------>}
<------>if (mem->validation_bits & CPER_MEM_VALID_ERROR_STATUS)
<------><------>printk("%s""error_status: 0x%016llx\n", pfx, mem->error_status);
<------>if (mem->validation_bits & CPER_MEM_VALID_PA)
<------><------>printk("%s""physical_address: 0x%016llx\n",
<------><------>       pfx, mem->physical_addr);
<------>if (mem->validation_bits & CPER_MEM_VALID_PA_MASK)
<------><------>printk("%s""physical_address_mask: 0x%016llx\n",
<------><------>       pfx, mem->physical_addr_mask);
<------>cper_mem_err_pack(mem, &cmem);
<------>if (cper_mem_err_location(&cmem, rcd_decode_str))
<------><------>printk("%s%s\n", pfx, rcd_decode_str);
<------>if (mem->validation_bits & CPER_MEM_VALID_ERROR_TYPE) {
<------><------>u8 etype = mem->error_type;
<------><------>printk("%s""error_type: %d, %s\n", pfx, etype,
<------><------>       cper_mem_err_type_str(etype));
<------>}
<------>if (cper_dimm_err_location(&cmem, rcd_decode_str))
<------><------>printk("%s%s\n", pfx, rcd_decode_str);
}
 
static const char * const pcie_port_type_strs[] = {
<------>"PCIe end point",
<------>"legacy PCI end point",
<------>"unknown",
<------>"unknown",
<------>"root port",
<------>"upstream switch port",
<------>"downstream switch port",
<------>"PCIe to PCI/PCI-X bridge",
<------>"PCI/PCI-X to PCIe bridge",
<------>"root complex integrated endpoint device",
<------>"root complex event collector",
};
 
static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie,
<------><------><------>    const struct acpi_hest_generic_data *gdata)
{
<------>if (pcie->validation_bits & CPER_PCIE_VALID_PORT_TYPE)
<------><------>printk("%s""port_type: %d, %s\n", pfx, pcie->port_type,
<------><------>       pcie->port_type < ARRAY_SIZE(pcie_port_type_strs) ?
<------><------>       pcie_port_type_strs[pcie->port_type] : "unknown");
<------>if (pcie->validation_bits & CPER_PCIE_VALID_VERSION)
<------><------>printk("%s""version: %d.%d\n", pfx,
<------><------>       pcie->version.major, pcie->version.minor);
<------>if (pcie->validation_bits & CPER_PCIE_VALID_COMMAND_STATUS)
<------><------>printk("%s""command: 0x%04x, status: 0x%04x\n", pfx,
<------><------>       pcie->command, pcie->status);
<------>if (pcie->validation_bits & CPER_PCIE_VALID_DEVICE_ID) {
<------><------>const __u8 *p;
<------><------>printk("%s""device_id: %04x:%02x:%02x.%x\n", pfx,
<------><------>       pcie->device_id.segment, pcie->device_id.bus,
<------><------>       pcie->device_id.device, pcie->device_id.function);
<------><------>printk("%s""slot: %d\n", pfx,
<------><------>       pcie->device_id.slot >> CPER_PCIE_SLOT_SHIFT);
<------><------>printk("%s""secondary_bus: 0x%02x\n", pfx,
<------><------>       pcie->device_id.secondary_bus);
<------><------>printk("%s""vendor_id: 0x%04x, device_id: 0x%04x\n", pfx,
<------><------>       pcie->device_id.vendor_id, pcie->device_id.device_id);
<------><------>p = pcie->device_id.class_code;
<------><------>printk("%s""class_code: %02x%02x%02x\n", pfx, p[2], p[1], p[0]);
<------>}
<------>if (pcie->validation_bits & CPER_PCIE_VALID_SERIAL_NUMBER)
<------><------>printk("%s""serial number: 0x%04x, 0x%04x\n", pfx,
<------><------>       pcie->serial_number.lower, pcie->serial_number.upper);
<------>if (pcie->validation_bits & CPER_PCIE_VALID_BRIDGE_CONTROL_STATUS)
<------><------>printk(
<------>"%s""bridge: secondary_status: 0x%04x, control: 0x%04x\n",
<------>pfx, pcie->bridge.secondary_status, pcie->bridge.control);
 
<------>/* Fatal errors call __ghes_panic() before AER handler prints this */
<------>if ((pcie->validation_bits & CPER_PCIE_VALID_AER_INFO) &&
<------>    (gdata->error_severity & CPER_SEV_FATAL)) {
<------><------>struct aer_capability_regs *aer;
 
<------><------>aer = (struct aer_capability_regs *)pcie->aer_info;
<------><------>printk("%saer_uncor_status: 0x%08x, aer_uncor_mask: 0x%08x\n",
<------><------>       pfx, aer->uncor_status, aer->uncor_mask);
<------><------>printk("%saer_uncor_severity: 0x%08x\n",
<------><------>       pfx, aer->uncor_severity);
<------><------>printk("%sTLP Header: %08x %08x %08x %08x\n", pfx,
<------><------>       aer->header_log.dw0, aer->header_log.dw1,
<------><------>       aer->header_log.dw2, aer->header_log.dw3);
<------>}
}
 
static const char * const fw_err_rec_type_strs[] = {
<------>"IPF SAL Error Record",
<------>"SOC Firmware Error Record Type1 (Legacy CrashLog Support)",
<------>"SOC Firmware Error Record Type2",
};
 
static void cper_print_fw_err(const char *pfx,
<------><------><------>      struct acpi_hest_generic_data *gdata,
<------><------><------>      const struct cper_sec_fw_err_rec_ref *fw_err)
{
<------>void *buf = acpi_hest_get_payload(gdata);
<------>u32 offset, length = gdata->error_data_length;
 
<------>printk("%s""Firmware Error Record Type: %s\n", pfx,
<------>       fw_err->record_type < ARRAY_SIZE(fw_err_rec_type_strs) ?
<------>       fw_err_rec_type_strs[fw_err->record_type] : "unknown");
<------>printk("%s""Revision: %d\n", pfx, fw_err->revision);
 
<------>/* Record Type based on UEFI 2.7 */
<------>if (fw_err->revision == 0) {
<------><------>printk("%s""Record Identifier: %08llx\n", pfx,
<------><------>       fw_err->record_identifier);
<------>} else if (fw_err->revision == 2) {
<------><------>printk("%s""Record Identifier: %pUl\n", pfx,
<------><------>       &fw_err->record_identifier_guid);
<------>}
 
<------>/*
<------> * The FW error record may contain trailing data beyond the
<------> * structure defined by the specification. As the fields
<------> * defined (and hence the offset of any trailing data) vary
<------> * with the revision, set the offset to account for this
<------> * variation.
<------> */
<------>if (fw_err->revision == 0) {
<------><------>/* record_identifier_guid not defined */
<------><------>offset = offsetof(struct cper_sec_fw_err_rec_ref,
<------><------><------><------>  record_identifier_guid);
<------>} else if (fw_err->revision == 1) {
<------><------>/* record_identifier not defined */
<------><------>offset = offsetof(struct cper_sec_fw_err_rec_ref,
<------><------><------><------>  record_identifier);
<------>} else {
<------><------>offset = sizeof(*fw_err);
<------>}
 
<------>buf += offset;
<------>length -= offset;
 
<------>print_hex_dump(pfx, "", DUMP_PREFIX_OFFSET, 16, 4, buf, length, true);
}
 
static void cper_print_tstamp(const char *pfx,
<------><------><------><------>   struct acpi_hest_generic_data_v300 *gdata)
{
<------>__u8 hour, min, sec, day, mon, year, century, *timestamp;
 
<------>if (gdata->validation_bits & ACPI_HEST_GEN_VALID_TIMESTAMP) {
<------><------>timestamp = (__u8 *)&(gdata->time_stamp);
<------><------>sec       = bcd2bin(timestamp[0]);
<------><------>min       = bcd2bin(timestamp[1]);
<------><------>hour      = bcd2bin(timestamp[2]);
<------><------>day       = bcd2bin(timestamp[4]);
<------><------>mon       = bcd2bin(timestamp[5]);
<------><------>year      = bcd2bin(timestamp[6]);
<------><------>century   = bcd2bin(timestamp[7]);
 
<------><------>printk("%s%ststamp: %02d%02d-%02d-%02d %02d:%02d:%02d\n", pfx,
<------><------>       (timestamp[3] & 0x1 ? "precise " : "imprecise "),
<------><------>       century, year, mon, day, hour, min, sec);
<------>}
}
 
static void
cper_estatus_print_section(const char *pfx, struct acpi_hest_generic_data *gdata,
<------><------><------>   int sec_no)
{
<------>guid_t *sec_type = (guid_t *)gdata->section_type;
<------>__u16 severity;
<------>char newpfx[64];
 
<------>if (acpi_hest_get_version(gdata) >= 3)
<------><------>cper_print_tstamp(pfx, (struct acpi_hest_generic_data_v300 *)gdata);
 
<------>severity = gdata->error_severity;
<------>printk("%s""Error %d, type: %s\n", pfx, sec_no,
<------>       cper_severity_str(severity));
<------>if (gdata->validation_bits & CPER_SEC_VALID_FRU_ID)
<------><------>printk("%s""fru_id: %pUl\n", pfx, gdata->fru_id);
<------>if (gdata->validation_bits & CPER_SEC_VALID_FRU_TEXT)
<------><------>printk("%s""fru_text: %.20s\n", pfx, gdata->fru_text);
 
<------>snprintf(newpfx, sizeof(newpfx), "%s ", pfx);
<------>if (guid_equal(sec_type, &CPER_SEC_PROC_GENERIC)) {
<------><------>struct cper_sec_proc_generic *proc_err = acpi_hest_get_payload(gdata);
 
<------><------>printk("%s""section_type: general processor error\n", newpfx);
<------><------>if (gdata->error_data_length >= sizeof(*proc_err))
<------><------><------>cper_print_proc_generic(newpfx, proc_err);
<------><------>else
<------><------><------>goto err_section_too_small;
<------>} else if (guid_equal(sec_type, &CPER_SEC_PLATFORM_MEM)) {
<------><------>struct cper_sec_mem_err *mem_err = acpi_hest_get_payload(gdata);
 
<------><------>printk("%s""section_type: memory error\n", newpfx);
<------><------>if (gdata->error_data_length >=
<------><------>    sizeof(struct cper_sec_mem_err_old))
<------><------><------>cper_print_mem(newpfx, mem_err,
<------><------><------><------>       gdata->error_data_length);
<------><------>else
<------><------><------>goto err_section_too_small;
<------>} else if (guid_equal(sec_type, &CPER_SEC_PCIE)) {
<------><------>struct cper_sec_pcie *pcie = acpi_hest_get_payload(gdata);
 
<------><------>printk("%s""section_type: PCIe error\n", newpfx);
<------><------>if (gdata->error_data_length >= sizeof(*pcie))
<------><------><------>cper_print_pcie(newpfx, pcie, gdata);
<------><------>else
<------><------><------>goto err_section_too_small;
#if defined(CONFIG_ARM64) || defined(CONFIG_ARM)
<------>} else if (guid_equal(sec_type, &CPER_SEC_PROC_ARM)) {
<------><------>struct cper_sec_proc_arm *arm_err = acpi_hest_get_payload(gdata);
 
<------><------>printk("%ssection_type: ARM processor error\n", newpfx);
<------><------>if (gdata->error_data_length >= sizeof(*arm_err))
<------><------><------>cper_print_proc_arm(newpfx, arm_err);
<------><------>else
<------><------><------>goto err_section_too_small;
#endif
#if defined(CONFIG_UEFI_CPER_X86)
<------>} else if (guid_equal(sec_type, &CPER_SEC_PROC_IA)) {
<------><------>struct cper_sec_proc_ia *ia_err = acpi_hest_get_payload(gdata);
 
<------><------>printk("%ssection_type: IA32/X64 processor error\n", newpfx);
<------><------>if (gdata->error_data_length >= sizeof(*ia_err))
<------><------><------>cper_print_proc_ia(newpfx, ia_err);
<------><------>else
<------><------><------>goto err_section_too_small;
#endif
<------>} else if (guid_equal(sec_type, &CPER_SEC_FW_ERR_REC_REF)) {
<------><------>struct cper_sec_fw_err_rec_ref *fw_err = acpi_hest_get_payload(gdata);
 
<------><------>printk("%ssection_type: Firmware Error Record Reference\n",
<------><------>       newpfx);
<------><------>/* The minimal FW Error Record contains 16 bytes */
<------><------>if (gdata->error_data_length >= SZ_16)
<------><------><------>cper_print_fw_err(newpfx, gdata, fw_err);
<------><------>else
<------><------><------>goto err_section_too_small;
<------>} else {
<------><------>const void *err = acpi_hest_get_payload(gdata);
 
<------><------>printk("%ssection type: unknown, %pUl\n", newpfx, sec_type);
<------><------>printk("%ssection length: %#x\n", newpfx,
<------><------>       gdata->error_data_length);
<------><------>print_hex_dump(newpfx, "", DUMP_PREFIX_OFFSET, 16, 4, err,
<------><------><------>       gdata->error_data_length, true);
<------>}
 
<------>return;
 
err_section_too_small:
<------>pr_err(FW_WARN "error section length is too small\n");
}
 
void cper_estatus_print(const char *pfx,
<------><------><------>const struct acpi_hest_generic_status *estatus)
{
<------>struct acpi_hest_generic_data *gdata;
<------>int sec_no = 0;
<------>char newpfx[64];
<------>__u16 severity;
 
<------>severity = estatus->error_severity;
<------>if (severity == CPER_SEV_CORRECTED)
<------><------>printk("%s%s\n", pfx,
<------><------>       "It has been corrected by h/w "
<------><------>       "and requires no further action");
<------>printk("%s""event severity: %s\n", pfx, cper_severity_str(severity));
<------>snprintf(newpfx, sizeof(newpfx), "%s ", pfx);
 
<------>apei_estatus_for_each_section(estatus, gdata) {
<------><------>cper_estatus_print_section(newpfx, gdata, sec_no);
<------><------>sec_no++;
<------>}
}
EXPORT_SYMBOL_GPL(cper_estatus_print);
 
int cper_estatus_check_header(const struct acpi_hest_generic_status *estatus)
{
<------>if (estatus->data_length &&
<------>    estatus->data_length < sizeof(struct acpi_hest_generic_data))
<------><------>return -EINVAL;
<------>if (estatus->raw_data_length &&
<------>    estatus->raw_data_offset < sizeof(*estatus) + estatus->data_length)
<------><------>return -EINVAL;
 
<------>return 0;
}
EXPORT_SYMBOL_GPL(cper_estatus_check_header);
 
int cper_estatus_check(const struct acpi_hest_generic_status *estatus)
{
<------>struct acpi_hest_generic_data *gdata;
<------>unsigned int data_len, record_size;
<------>int rc;
 
<------>rc = cper_estatus_check_header(estatus);
<------>if (rc)
<------><------>return rc;
 
<------>data_len = estatus->data_length;
 
<------>apei_estatus_for_each_section(estatus, gdata) {
<------><------>if (sizeof(struct acpi_hest_generic_data) > data_len)
<------><------><------>return -EINVAL;
 
<------><------>record_size = acpi_hest_get_record_size(gdata);
<------><------>if (record_size > data_len)
<------><------><------>return -EINVAL;
 
<------><------>data_len -= record_size;
<------>}
<------>if (data_len)
<------><------>return -EINVAL;
 
<------>return 0;
}
EXPORT_SYMBOL_GPL(cper_estatus_check);