efHeterogeneousSynchronization heterogeneousDataSynchronization.c 韩正义 commit at 2021-02-04

efHeterogeneousSynchronization/dataCalculation/heterogeneousDataSynchronization.c

@@ -890,3 +890,111 @@ marvel_find_io7_with_error(struct ev7_lf_subpackets *lf_subpackets)
 	mb();
 	io7->csrs->PO7_ERROR_SUM.csr;
 	
+	/*
+	 * Correct the io7_pid.
+	 */
+	lf_subpackets->io_pid = io7->pe;
+
+	return io;
+}
+
+static int
+marvel_process_io_error(struct ev7_lf_subpackets *lf_subpackets, int print)
+{
+	int status = MCHK_DISPOSITION_UNKNOWN_ERROR;
+
+#ifdef CONFIG_VERBOSE_MCHECK
+	struct ev7_pal_io_subpacket *io = lf_subpackets->io;
+	int i;
+#endif /* CONFIG_VERBOSE_MCHECK */
+
+#define MARVEL_IO_ERR_VALID(x)  ((x) & (1UL << 63))
+
+	if (!lf_subpackets->logout || !lf_subpackets->io)
+		return status;
+
+	/*
+	 * The PALcode only builds an IO subpacket if there is a 
+	 * locally connected IO7. In the cases of
+	 *	1) a uniprocessor kernel
+	 *	2) an mp kernel before the local secondary has called in
+	 * error interrupts are all directed to the primary processor.
+	 * In that case, we may not have an IO subpacket at all and, event
+	 * if we do, it may not be the right now. 
+	 *
+	 * If the RBOX indicates an I/O error interrupt, make sure we have
+	 * the correct IO7 information. If we don't have an IO subpacket
+	 * or it's the wrong one, try to find the right one.
+	 *
+	 * RBOX I/O error interrupts are indicated by RBOX_INT<29> and
+	 * RBOX_INT<10>.
+	 */
+	if ((lf_subpackets->io->po7_error_sum & (1UL << 32)) ||
+	    ((lf_subpackets->io->po7_error_sum        |
+	      lf_subpackets->io->ports[0].pox_err_sum |
+	      lf_subpackets->io->ports[1].pox_err_sum |
+	      lf_subpackets->io->ports[2].pox_err_sum |
+	      lf_subpackets->io->ports[3].pox_err_sum) & (1UL << 63))) {
+		/*
+		 * Either we have no IO subpacket or no error is
+		 * indicated in the one we do have. Try find the
+		 * one with the error.
+		 */
+		if (!marvel_find_io7_with_error(lf_subpackets))
+			return status;
+	}
+
+	/*
+	 * We have an IO7 indicating an error - we're going to report it
+	 */
+	status = MCHK_DISPOSITION_REPORT;
+
+#ifdef CONFIG_VERBOSE_MCHECK
+
+	if (!print)
+		return status;
+
+	printk("%s*Error occurred on IO7 at PID %u\n", 
+	       err_print_prefix, lf_subpackets->io_pid);
+
+	/*
+	 * Check port 7 first
+	 */
+	if (lf_subpackets->io->po7_error_sum & IO7__PO7_ERRSUM__ERR_MASK) {
+		marvel_print_po7_err_sum(io);
+
+#if 0
+		printk("%s  PORT 7 ERROR:\n"
+		       "%s    PO7_ERROR_SUM: %016llx\n"
+		       "%s    PO7_UNCRR_SYM: %016llx\n"
+		       "%s    PO7_CRRCT_SYM: %016llx\n"
+		       "%s    PO7_UGBGE_SYM: %016llx\n"
+		       "%s    PO7_ERR_PKT0:  %016llx\n"
+		       "%s    PO7_ERR_PKT1:  %016llx\n",
+		       err_print_prefix,
+		       err_print_prefix, io->po7_error_sum,
+		       err_print_prefix, io->po7_uncrr_sym,
+		       err_print_prefix, io->po7_crrct_sym,
+		       err_print_prefix, io->po7_ugbge_sym,
+		       err_print_prefix, io->po7_err_pkt0,
+		       err_print_prefix, io->po7_err_pkt1);
+#endif
+	}
+
+	/*
+	 * Then loop through the ports
+	 */
+	for (i = 0; i < IO7_NUM_PORTS; i++) {
+		if (!MARVEL_IO_ERR_VALID(io->ports[i].pox_err_sum))
+			continue;
+
+		printk("%s  PID %u PORT %d POx_ERR_SUM: %016llx\n",
+		       err_print_prefix, 
+		       lf_subpackets->io_pid, i, io->ports[i].pox_err_sum);
+		marvel_print_pox_err(io->ports[i].pox_err_sum, &io->ports[i]);
+
+		printk("%s  [ POx_FIRST_ERR: %016llx ]\n",
+		       err_print_prefix, io->ports[i].pox_first_err);
+		marvel_print_pox_err(io->ports[i].pox_first_err, 
+				     &io->ports[i]);
+