powerpc/xive: Add a debug_show handler to the XIVE irq_domain

	return xive_ops->match(node);

}

#ifdef CONFIG_GENERIC_IRQ_DEBUGFS

static const char * const esb_names[] = { "RESET", "OFF", "PENDING", "QUEUED" };

static const struct {

	u64  mask;

	char *name;

} xive_irq_flags[] = {

	{ XIVE_IRQ_FLAG_STORE_EOI, "STORE_EOI" },

	{ XIVE_IRQ_FLAG_LSI,       "LSI"       },

	{ XIVE_IRQ_FLAG_SHIFT_BUG, "SHIFT_BUG" },

	{ XIVE_IRQ_FLAG_MASK_FW,   "MASK_FW"   },

	{ XIVE_IRQ_FLAG_EOI_FW,    "EOI_FW"    },

	{ XIVE_IRQ_FLAG_H_INT_ESB, "H_INT_ESB" },

	{ XIVE_IRQ_FLAG_NO_EOI,    "NO_EOI"    },

};

static void xive_irq_domain_debug_show(struct seq_file *m, struct irq_domain *d,

				       struct irq_data *irqd, int ind)

{

	struct xive_irq_data *xd;

	u64 val;

	int i;

	/* No IRQ domain level information. To be done */

	if (!irqd)

		return;

	if (!is_xive_irq(irq_data_get_irq_chip(irqd)))

		return;

	seq_printf(m, "%*sXIVE:\n", ind, "");

	ind++;

	xd = irq_data_get_irq_handler_data(irqd);

	if (!xd) {

		seq_printf(m, "%*snot assigned\n", ind, "");

		return;

	}

	val = xive_esb_read(xd, XIVE_ESB_GET);

	seq_printf(m, "%*sESB:      %s\n", ind, "", esb_names[val & 0x3]);

	seq_printf(m, "%*sPstate:   %s %s\n", ind, "", xd->stale_p ? "stale" : "",

		   xd->saved_p ? "saved" : "");

	seq_printf(m, "%*sTarget:   %d\n", ind, "", xd->target);

	seq_printf(m, "%*sChip:     %d\n", ind, "", xd->src_chip);

	seq_printf(m, "%*sTrigger:  0x%016llx\n", ind, "", xd->trig_page);

	seq_printf(m, "%*sEOI:      0x%016llx\n", ind, "", xd->eoi_page);

	seq_printf(m, "%*sFlags:    0x%llx\n", ind, "", xd->flags);

	for (i = 0; i < ARRAY_SIZE(xive_irq_flags); i++) {

		if (xd->flags & xive_irq_flags[i].mask)

			seq_printf(m, "%*s%s\n", ind + 12, "", xive_irq_flags[i].name);

	}

}

#endif

static const struct irq_domain_ops xive_irq_domain_ops = {

	.match = xive_irq_domain_match,

	.map = xive_irq_domain_map,

	.unmap = xive_irq_domain_unmap,

	.xlate = xive_irq_domain_xlate,

#ifdef CONFIG_GENERIC_IRQ_DEBUGFS

	.debug_show = xive_irq_domain_debug_show,

#endif

};

static void __init xive_init_host(struct device_node *np)