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

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

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211105102636.1016378-6-clg@kaod.org
This commit is contained in:
Cédric Le Goater 2021-11-05 11:26:30 +01:00 committed by Michael Ellerman
parent 412877dfae
commit baed14de78
1 changed files with 25 additions and 11 deletions
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36
arch/powerpc/sysdev/xive/common.c
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@ -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) { }