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Commit af893c7d authored by Suresh Warrier's avatar Suresh Warrier Committed by Paul Mackerras
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KVM: PPC: Book3S HV: Dump irqmap in debugfs 



Dump the passthrough irqmap structure associated with a
guest as part of /sys/kernel/debug/powerpc/kvm-xics-*.

Signed-off-by: default avatarSuresh Warrier <warrier@linux.vnet.ibm.com>
Signed-off-by: default avatarPaul Mackerras <paulus@ozlabs.org>
parent f7af5209

arch/powerpc/kvm/book3s_xics.c

+17 −0
Original line number Diff line number Diff line
@@ -893,6 +893,21 @@ EXPORT_SYMBOL_GPL(kvmppc_xics_hcall); 


/* -- Initialisation code etc. -- */



static void xics_debugfs_irqmap(struct seq_file *m,

				struct kvmppc_passthru_irqmap *pimap)

{

	int i;



	if (!pimap)

		return;

	seq_printf(m, "========\nPIRQ mappings: %d maps\n===========\n",

				pimap->n_mapped);

	for (i = 0; i < pimap->n_mapped; i++)  {

		seq_printf(m, "r_hwirq=%x, v_hwirq=%x\n",

			pimap->mapped[i].r_hwirq, pimap->mapped[i].v_hwirq);

	}

}



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

{

	struct kvmppc_xics *xics = m->private;
@@ -914,6 +929,8 @@ static int xics_debug_show(struct seq_file *m, void *private) 
	t_check_resend = 0;

	t_reject = 0;



	xics_debugfs_irqmap(m, kvm->arch.pimap);



	seq_printf(m, "=========\nICP state\n=========\n");



	kvm_for_each_vcpu(i, vcpu, kvm) {