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powerpc/xmon: Add a dump of all XIVE interrupts 

Modify the xmon 'dxi' command to query all interrupts if no IRQ number
is specified.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190814154754.23682-4-clg@kaod.org
This commit is contained in:
Cédric Le Goater 2019-08-14 17:47:54 +02:00 committed by Michael Ellerman
parent b4868ff55d
commit 39f14e79b1
1 changed files with 21 additions and 0 deletions
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21
arch/powerpc/xmon/xmon.c
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@ -2584,6 +2584,25 @@ static void dump_one_xive_irq(u32 num)
num, target, prio, lirq, rc);
}
static void dump_all_xive_irq(void)
{
unsigned int i;
struct irq_desc *desc;
for_each_irq_desc(i, desc) {
struct irq_data *d = irq_desc_get_irq_data(desc);
unsigned int hwirq;
if (!d)
continue;
hwirq = (unsigned int)irqd_to_hwirq(d);
/* IPIs are special (HW number 0) */
if (hwirq)
dump_one_xive_irq(hwirq);
}
}
static void dump_xives(void)
{
unsigned long num;
@ -2601,6 +2620,8 @@ static void dump_xives(void)
} else if (c == 'i') {
if (scanhex(&num))
dump_one_xive_irq(num);
else
dump_all_xive_irq();
return;
}