// SPDX-License-Identifier: GPL-2.0-only
#include <linux/module.h>
#include <linux/slab.h>
#include <asm/cpu.h>
#include "mce_amd.h"
static struct amd_decoder_ops fam_ops;
static u8 xec_mask = 0xf;
static void (*decode_dram_ecc)(int node_id, struct mce *m);
void amd_register_ecc_decoder(void (*f)(int, struct mce *))
{
decode_dram_ecc = f;
}
EXPORT_SYMBOL_GPL(amd_register_ecc_decoder);
void amd_unregister_ecc_decoder(void (*f)(int, struct mce *))
{
if (decode_dram_ecc) {
WARN_ON(decode_dram_ecc != f);
decode_dram_ecc = NULL;
}
}
EXPORT_SYMBOL_GPL(amd_unregister_ecc_decoder);
/*
* string representation for the different MCA reported error types, see F3x48
* or MSR0000_0411.
*/
/* transaction type */
static const char * const tt_msgs[] = { "INSN", "DATA", "GEN", "RESV" };
/* cache level */
static const char * const ll_msgs[] = { "RESV", "L1", "L2", "L3/GEN" };
/* memory transaction type */
static const char * const rrrr_msgs[] = {
"GEN", "RD", "WR", "DRD", "DWR", "IRD", "PRF", "EV", "SNP"
};
/* participating processor */
const char * const pp_msgs[] = { "SRC", "RES", "OBS", "GEN" };
EXPORT_SYMBOL_GPL(pp_msgs);
/* request timeout */
static const char * const to_msgs[] = { "no timeout", "timed out" };
/* memory or i/o */
static const char * const ii_msgs[] = { "MEM", "RESV", "IO", "GEN" };
/* internal error type */
static const char * const uu_msgs[] = { "RESV", "RESV", "HWA", "RESV" };
static const char * const f15h_mc1_mce_desc[] = {
"UC during a demand linefill from L2",
"Parity error during data load from IC",
"Parity error for IC valid bit",
"Main tag parity error",
"Parity error in prediction queue",
"PFB data/address parity error",
"Parity error in the branch status reg",
"PFB promotion address error",
"Tag error during probe/victimization",
"Parity error for IC probe tag valid bit",
"PFB non-cacheable bit parity error",
"PFB valid bit parity error", /* xec = 0xd */
"Microcode Patch Buffer", /* xec = 010 */
"uop queue",
"insn buffer",
"predecode buffer",
"fetch address FIFO",
"dispatch uop queue"
};
static const char * const f15h_mc2_mce_desc[] = {
"Fill ECC error on data fills", /* xec = 0x4 */
"Fill parity error on insn fills",
"Prefetcher request FIFO parity error",
"PRQ address parity error",
"PRQ data parity error",
"WCC Tag ECC error",
"WCC Data ECC error",
"WCB Data parity error",
"VB Data ECC or parity error",
"L2 Tag ECC error"