Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 287 insertions, 0 deletions

diff --git a/arch/alpha/kernel/err_ev7.c b/arch/alpha/kernel/err_ev7.c
new file mode 100644
index 000000000..565de1acf
--- /dev/null
+++ b/arch/alpha/kernel/err_ev7.c
@@ -0,0 +1,287 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ *	linux/arch/alpha/kernel/err_ev7.c
+ *
+ *	Copyright (C) 2000 Jeff Wiedemeier (Compaq Computer Corporation)
+ *
+ *	Error handling code supporting Alpha systems
+ */
+
+#include <linux/init.h>
+#include <linux/sched.h>
+
+#include <asm/io.h>
+#include <asm/hwrpb.h>
+#include <asm/smp.h>
+#include <asm/err_common.h>
+#include <asm/err_ev7.h>
+
+#include "err_impl.h"
+#include "proto.h"
+
+struct ev7_lf_subpackets *
+ev7_collect_logout_frame_subpackets(struct el_subpacket *el_ptr,
+				    struct ev7_lf_subpackets *lf_subpackets)
+{
+	struct el_subpacket *subpacket;
+	int i;
+
+	/*
+	 * A Marvel machine check frame is always packaged in an
+	 * el_subpacket of class HEADER, type LOGOUT_FRAME.
+	 */
+	if (el_ptr->class != EL_CLASS__HEADER || 
+	    el_ptr->type != EL_TYPE__HEADER__LOGOUT_FRAME)
+		return NULL;
+
+	/*
+	 * It is a logout frame header. Look at the one subpacket.
+	 */
+	el_ptr = (struct el_subpacket *)
+		((unsigned long)el_ptr + el_ptr->length);
+
+	/*
+	 * It has to be class PAL, type LOGOUT_FRAME.
+	 */
+	if (el_ptr->class != EL_CLASS__PAL ||
+	    el_ptr->type != EL_TYPE__PAL__LOGOUT_FRAME)
+		return NULL;
+
+	lf_subpackets->logout = (struct ev7_pal_logout_subpacket *)
+		el_ptr->by_type.raw.data_start;
+
+	/*
+	 * Process the subpackets.
+	 */
+	subpacket = (struct el_subpacket *)
+		((unsigned long)el_ptr + el_ptr->length);
+	for (i = 0;
+	     subpacket && i < lf_subpackets->logout->subpacket_count;
+	     subpacket = (struct el_subpacket *)
+		     ((unsigned long)subpacket + subpacket->length), i++) {
+		/*
+		 * All subpackets should be class PAL.
+		 */
+		if (subpacket->class != EL_CLASS__PAL) {
+			printk("%s**UNEXPECTED SUBPACKET CLASS %d "
+			       "IN LOGOUT FRAME (packet %d\n",
+			       err_print_prefix, subpacket->class, i);
+			return NULL;
+		}
+
+		/*
+		 * Remember the subpacket.
+		 */
+		switch(subpacket->type) {
+		case EL_TYPE__PAL__EV7_PROCESSOR:
+			lf_subpackets->ev7 =
+				(struct ev7_pal_processor_subpacket *)
+				subpacket->by_type.raw.data_start;
+			break;
+
+		case EL_TYPE__PAL__EV7_RBOX:
+			lf_subpackets->rbox = (struct ev7_pal_rbox_subpacket *)
+				subpacket->by_type.raw.data_start;
+			break;
+
+		case EL_TYPE__PAL__EV7_ZBOX:
+			lf_subpackets->zbox = (struct ev7_pal_zbox_subpacket *)
+				subpacket->by_type.raw.data_start;
+			break;
+
+		case EL_TYPE__PAL__EV7_IO:
+			lf_subpackets->io = (struct ev7_pal_io_subpacket *)
+				subpacket->by_type.raw.data_start;
+			break;
+
+		case EL_TYPE__PAL__ENV__AMBIENT_TEMPERATURE:
+		case EL_TYPE__PAL__ENV__AIRMOVER_FAN:
+		case EL_TYPE__PAL__ENV__VOLTAGE:
+		case EL_TYPE__PAL__ENV__INTRUSION:
+		case EL_TYPE__PAL__ENV__POWER_SUPPLY:
+		case EL_TYPE__PAL__ENV__LAN:
+		case EL_TYPE__PAL__ENV__HOT_PLUG:
+			lf_subpackets->env[ev7_lf_env_index(subpacket->type)] =
+ 				(struct ev7_pal_environmental_subpacket *)
+				subpacket->by_type.raw.data_start;
+			break;
+				
+		default:
+			/*
+			 * Don't know what kind of frame this is.
+			 */
+			return NULL;
+		}
+	}
+
+	return lf_subpackets;
+}
+
+void
+ev7_machine_check(unsigned long vector, unsigned long la_ptr)
+{
+	struct el_subpacket *el_ptr = (struct el_subpacket *)la_ptr;
+	char *saved_err_prefix = err_print_prefix;
+
+	/*
+	 * Sync the processor
+	 */
+	mb();
+	draina();
+
+	err_print_prefix = KERN_CRIT;
+	printk("%s*CPU %s Error (Vector 0x%x) reported on CPU %d\n",
+	       err_print_prefix, 
+	       (vector == SCB_Q_PROCERR) ? "Correctable" : "Uncorrectable",
+	       (unsigned int)vector, (int)smp_processor_id());
+	el_process_subpacket(el_ptr);
+	err_print_prefix = saved_err_prefix;
+
+	/* 
+	 * Release the logout frame 
+	 */
+	wrmces(0x7);
+	mb();
+}
+
+static char *el_ev7_processor_subpacket_annotation[] = {
+	"Subpacket Header",	"I_STAT",	"DC_STAT",
+	"C_ADDR",		"C_SYNDROME_1",	"C_SYNDROME_0",
+	"C_STAT",		"C_STS",	"MM_STAT",
+	"EXC_ADDR",		"IER_CM",	"ISUM",
+	"PAL_BASE",		"I_CTL",	"PROCESS_CONTEXT",
+	"CBOX_CTL",		"CBOX_STP_CTL",	"CBOX_ACC_CTL",
+	"CBOX_LCL_SET",		"CBOX_GLB_SET",	"BBOX_CTL",
+	"BBOX_ERR_STS",		"BBOX_ERR_IDX",	"CBOX_DDP_ERR_STS",
+	"BBOX_DAT_RMP",		NULL
+};
+
+static char *el_ev7_zbox_subpacket_annotation[] = {
+	"Subpacket Header", 	
+	"ZBOX(0): DRAM_ERR_STATUS_2 / DRAM_ERR_STATUS_1",
+	"ZBOX(0): DRAM_ERROR_CTL    / DRAM_ERR_STATUS_3",
+	"ZBOX(0): DIFT_TIMEOUT      / DRAM_ERR_ADR",
+	"ZBOX(0): FRC_ERR_ADR       / DRAM_MAPPER_CTL",
+	"ZBOX(0): reserved          / DIFT_ERR_STATUS",
+	"ZBOX(1): DRAM_ERR_STATUS_2 / DRAM_ERR_STATUS_1",
+	"ZBOX(1): DRAM_ERROR_CTL    / DRAM_ERR_STATUS_3",
+	"ZBOX(1): DIFT_TIMEOUT      / DRAM_ERR_ADR",
+	"ZBOX(1): FRC_ERR_ADR       / DRAM_MAPPER_CTL",
+	"ZBOX(1): reserved          / DIFT_ERR_STATUS",
+	"CBOX_CTL",		"CBOX_STP_CTL",
+	"ZBOX(0)_ERROR_PA",	"ZBOX(1)_ERROR_PA",
+	"ZBOX(0)_ORED_SYNDROME","ZBOX(1)_ORED_SYNDROME",
+	NULL
+};
+
+static char *el_ev7_rbox_subpacket_annotation[] = {
+	"Subpacket Header",	"RBOX_CFG",	"RBOX_N_CFG",
+	"RBOX_S_CFG",		"RBOX_E_CFG",	"RBOX_W_CFG",
+	"RBOX_N_ERR",		"RBOX_S_ERR",	"RBOX_E_ERR",
+	"RBOX_W_ERR",		"RBOX_IO_CFG",	"RBOX_IO_ERR",
+	"RBOX_L_ERR",		"RBOX_WHOAMI",	"RBOX_IMASL",
+	"RBOX_INTQ",		"RBOX_INT",	NULL
+};
+
+static char *el_ev7_io_subpacket_annotation[] = {
+	"Subpacket Header",	"IO_ASIC_REV",	"IO_SYS_REV",
+	"IO7_UPH",		"HPI_CTL",	"CRD_CTL",
+	"HEI_CTL",		"PO7_ERROR_SUM","PO7_UNCRR_SYM",
+	"PO7_CRRCT_SYM",	"PO7_UGBGE_SYM","PO7_ERR_PKT0",
+	"PO7_ERR_PKT1",		"reserved",	"reserved",
+	"PO0_ERR_SUM",		"PO0_TLB_ERR",	"PO0_SPL_COMPLT",
+	"PO0_TRANS_SUM",	"PO0_FIRST_ERR","PO0_MULT_ERR",
+	"DM CSR PH",		"DM CSR PH",	"DM CSR PH",
+	"DM CSR PH",		"reserved",
+	"PO1_ERR_SUM",		"PO1_TLB_ERR",	"PO1_SPL_COMPLT",
+	"PO1_TRANS_SUM",	"PO1_FIRST_ERR","PO1_MULT_ERR",
+	"DM CSR PH",		"DM CSR PH",	"DM CSR PH",
+	"DM CSR PH",		"reserved",
+	"PO2_ERR_SUM",		"PO2_TLB_ERR",	"PO2_SPL_COMPLT",
+	"PO2_TRANS_SUM",	"PO2_FIRST_ERR","PO2_MULT_ERR",
+	"DM CSR PH",		"DM CSR PH",	"DM CSR PH",
+	"DM CSR PH",		"reserved",
+	"PO3_ERR_SUM",		"PO3_TLB_ERR",	"PO3_SPL_COMPLT",
+	"PO3_TRANS_SUM",	"PO3_FIRST_ERR","PO3_MULT_ERR",
+	"DM CSR PH",		"DM CSR PH",	"DM CSR PH",
+	"DM CSR PH",		"reserved",	
+	NULL
+};
+	
+static struct el_subpacket_annotation el_ev7_pal_annotations[] = {
+	SUBPACKET_ANNOTATION(EL_CLASS__PAL,
+			     EL_TYPE__PAL__EV7_PROCESSOR,
+			     1,
+			     "EV7 Processor Subpacket",
+			     el_ev7_processor_subpacket_annotation),
+	SUBPACKET_ANNOTATION(EL_CLASS__PAL,
+			     EL_TYPE__PAL__EV7_ZBOX,
+			     1,
+			     "EV7 ZBOX Subpacket",
+			     el_ev7_zbox_subpacket_annotation),
+	SUBPACKET_ANNOTATION(EL_CLASS__PAL,
+			     EL_TYPE__PAL__EV7_RBOX,
+			     1,
+			     "EV7 RBOX Subpacket",
+			     el_ev7_rbox_subpacket_annotation),
+	SUBPACKET_ANNOTATION(EL_CLASS__PAL,
+			     EL_TYPE__PAL__EV7_IO,
+			     1,
+			     "EV7 IO Subpacket",
+			     el_ev7_io_subpacket_annotation)
+};
+
+static struct el_subpacket *
+ev7_process_pal_subpacket(struct el_subpacket *header)
+{
+	struct ev7_pal_subpacket *packet;
+
+	if (header->class != EL_CLASS__PAL) {
+		printk("%s  ** Unexpected header CLASS %d TYPE %d, aborting\n",
+		       err_print_prefix,
+		       header->class, header->type);
+		return NULL;
+	}
+
+	packet = (struct ev7_pal_subpacket *)header->by_type.raw.data_start;
+
+	switch(header->type) {
+	case EL_TYPE__PAL__LOGOUT_FRAME:
+		printk("%s*** MCHK occurred on LPID %lld (RBOX %llx)\n",
+		       err_print_prefix,
+		       packet->by_type.logout.whami, 
+		       packet->by_type.logout.rbox_whami);
+		el_print_timestamp(&packet->by_type.logout.timestamp);
+		printk("%s  EXC_ADDR: %016llx\n"
+		         "  HALT_CODE: %llx\n",
+		       err_print_prefix,
+		       packet->by_type.logout.exc_addr,
+		       packet->by_type.logout.halt_code);
+		el_process_subpackets(header,
+                                      packet->by_type.logout.subpacket_count);
+		break;
+	default:
+		printk("%s  ** PAL TYPE %d SUBPACKET\n", 
+		       err_print_prefix,
+		       header->type);
+		el_annotate_subpacket(header);
+		break;
+	}
+	
+	return (struct el_subpacket *)((unsigned long)header + header->length);
+}
+
+struct el_subpacket_handler ev7_pal_subpacket_handler =
+	SUBPACKET_HANDLER_INIT(EL_CLASS__PAL, ev7_process_pal_subpacket);
+
+void __init
+ev7_register_error_handlers(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(el_ev7_pal_annotations); i++)
+		cdl_register_subpacket_annotation(&el_ev7_pal_annotations[i]);
+
+	cdl_register_subpacket_handler(&ev7_pal_subpacket_handler);
+}
+