From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [103.22.144.67]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3sFsBx35DxzDrB4 for ; Fri, 19 Aug 2016 15:36:09 +1000 (AEST) From: Paul Mackerras To: kvm@vger.kernel.org, linuxppc-dev@ozlabs.org Cc: kvm-ppc@vger.kernel.org Subject: [PATCH 09/13] KVM: PPC: Book3S HV: Dump irqmap in debugfs Date: Fri, 19 Aug 2016 15:35:53 +1000 Message-Id: <1471584957-21484-10-git-send-email-paulus@ozlabs.org> In-Reply-To: <1471584957-21484-1-git-send-email-paulus@ozlabs.org> References: <1471584957-21484-1-git-send-email-paulus@ozlabs.org> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Suresh Warrier 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 d528d22..b41f1d3 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) { -- 2.8.1