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| author | Suresh Warrier <warrier@linux.vnet.ibm.com> | 2016-08-19 07:35:53 +0200 |
|---|---|---|
| committer | Paul Mackerras <paulus@ozlabs.org> | 2016-09-12 02:12:13 +0200 |
| commit | af893c7dc941f2510d4f23e76e312c77c434b2f0 (patch) | |
| tree | 0c8873e35647c2606f7fb2d065175dcf023dc131 /arch/powerpc | |
| parent | KVM: PPC: Book3S HV: Complete passthrough interrupt in host (diff) | |
| download | linux-af893c7dc941f2510d4f23e76e312c77c434b2f0.tar.xz linux-af893c7dc941f2510d4f23e76e312c77c434b2f0.zip | |
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 <warrier@linux.vnet.ibm.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kvm/book3s_xics.c | 17 |
1 files changed, 17 insertions, 0 deletions
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) { |