Commit baed14de authored by Cédric Le Goater's avatar Cédric Le Goater Committed by Michael Ellerman
Browse files

powerpc/xive: Change the debugfs file 'xive' into a directory 



Use a 'cpus' file to dump CPU states and 'interrupts' to dump IRQ states.

Signed-off-by: default avatarCédric Le Goater <clg@kaod.org>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211105102636.1016378-6-clg@kaod.org
parent 412877df

arch/powerpc/sysdev/xive/common.c

+25 −11
Original line number Diff line number Diff line
@@ -1759,17 +1759,10 @@ static void xive_debug_show_irq(struct seq_file *m, struct irq_data *d) 
	seq_puts(m, "\n");

}



static int xive_core_debug_show(struct seq_file *m, void *private)

static int xive_irq_debug_show(struct seq_file *m, void *private)

{

	unsigned int i;

	struct irq_desc *desc;

	int cpu;



	if (xive_ops->debug_show)

		xive_ops->debug_show(m, private);



	for_each_possible_cpu(cpu)

		xive_debug_show_cpu(m, cpu);



	for_each_irq_desc(i, desc) {

		struct irq_data *d = irq_domain_get_irq_data(xive_irq_domain, i);
@@ -1779,12 +1772,33 @@ static int xive_core_debug_show(struct seq_file *m, void *private) 
	}

	return 0;

}

DEFINE_SHOW_ATTRIBUTE(xive_core_debug);

DEFINE_SHOW_ATTRIBUTE(xive_irq_debug);



static int xive_cpu_debug_show(struct seq_file *m, void *private)

{

	int cpu;



	if (xive_ops->debug_show)

		xive_ops->debug_show(m, private);



	for_each_possible_cpu(cpu)

		xive_debug_show_cpu(m, cpu);

	return 0;

}

DEFINE_SHOW_ATTRIBUTE(xive_cpu_debug);



static void xive_core_debugfs_create(void)

{

	debugfs_create_file("xive", 0400, arch_debugfs_dir,

			    NULL, &xive_core_debug_fops);

	struct dentry *xive_dir;



	xive_dir = debugfs_create_dir("xive", arch_debugfs_dir);

	if (IS_ERR(xive_dir))

		return;



	debugfs_create_file("cpus", 0400, xive_dir,

			    NULL, &xive_cpu_debug_fops);

	debugfs_create_file("interrupts", 0400, xive_dir,

			    NULL, &xive_irq_debug_fops);

}

#else

static inline void xive_core_debugfs_create(void) { }