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Diffstat (limited to 'arch/s390/kernel/irq.c')
-rw-r--r--arch/s390/kernel/irq.c41
1 files changed, 35 insertions, 6 deletions
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index 026a37a..ea5099c 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -1,7 +1,5 @@
/*
- * arch/s390/kernel/irq.c
- *
- * Copyright IBM Corp. 2004,2007
+ * Copyright IBM Corp. 2004,2010
* Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
* Thomas Spatzier (tspat@de.ibm.com)
*
@@ -17,12 +15,42 @@
#include <linux/proc_fs.h>
#include <linux/profile.h>
+struct irq_class {
+ char *name;
+ char *desc;
+};
+
+static const struct irq_class intrclass_names[] = {
+ {.name = "EXT" },
+ {.name = "I/O" },
+ {.name = "CLK", .desc = "[EXT] Clock Comparator" },
+ {.name = "IPI", .desc = "[EXT] Signal Processor" },
+ {.name = "TMR", .desc = "[EXT] CPU Timer" },
+ {.name = "TAL", .desc = "[EXT] Timing Alert" },
+ {.name = "PFL", .desc = "[EXT] Pseudo Page Fault" },
+ {.name = "DSD", .desc = "[EXT] DASD Diag" },
+ {.name = "VRT", .desc = "[EXT] Virtio" },
+ {.name = "SCP", .desc = "[EXT] Service Call" },
+ {.name = "IUC", .desc = "[EXT] IUCV" },
+ {.name = "QAI", .desc = "[I/O] QDIO Adapter Interrupt" },
+ {.name = "QDI", .desc = "[I/O] QDIO Interrupt" },
+ {.name = "DAS", .desc = "[I/O] DASD" },
+ {.name = "C15", .desc = "[I/O] 3215" },
+ {.name = "C70", .desc = "[I/O] 3270" },
+ {.name = "TAP", .desc = "[I/O] Tape" },
+ {.name = "VMR", .desc = "[I/O] Unit Record Devices" },
+ {.name = "LCS", .desc = "[I/O] LCS" },
+ {.name = "CLW", .desc = "[I/O] CLAW" },
+ {.name = "CTC", .desc = "[I/O] CTC" },
+ {.name = "APB", .desc = "[I/O] AP Bus" },
+ {.name = "NMI", .desc = "[NMI] Machine Check" },
+};
+
/*
* show_interrupts is needed by /proc/interrupts.
*/
int show_interrupts(struct seq_file *p, void *v)
{
- static const char *intrclass_names[] = { "EXT", "I/O", };
int i = *(loff_t *) v, j;
get_online_cpus();
@@ -34,15 +62,16 @@ int show_interrupts(struct seq_file *p, void *v)
}
if (i < NR_IRQS) {
- seq_printf(p, "%s: ", intrclass_names[i]);
+ seq_printf(p, "%s: ", intrclass_names[i].name);
#ifndef CONFIG_SMP
seq_printf(p, "%10u ", kstat_irqs(i));
#else
for_each_online_cpu(j)
seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
#endif
+ if (intrclass_names[i].desc)
+ seq_printf(p, " %s", intrclass_names[i].desc);
seq_putc(p, '\n');
-
}
put_online_cpus();
return 0;