From af893c7dc941f2510d4f23e76e312c77c434b2f0 Mon Sep 17 00:00:00 2001 From: Suresh Warrier Date: Fri, 19 Aug 2016 15:35:53 +1000 Subject: 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: Suresh Warrier Signed-off-by: Paul Mackerras --- arch/powerpc/kvm/book3s_xics.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/powerpc/kvm/book3s_xics.c b/arch/powerpc/kvm/book3s_xics.c index 4edbe7b93eb5..be5179c97a8f 100644 --- a/arch/powerpc/kvm/book3s_xics.c +++ b/arch/powerpc/kvm/book3s_xics.c @@ -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) { -- cgit v1.2.3