Commit c424c108 authored by Benjamin Herrenschmidt's avatar Benjamin Herrenschmidt Committed by Paul Mackerras

KVM: PPC: Book3S HV: Add more info about XIVE queues in debugfs

Add details about enabled queues and escalation interrupts.
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: default avatarPaul Mackerras <paulus@ozlabs.org>
parent d2799818
...@@ -1794,6 +1794,7 @@ static int xive_debug_show(struct seq_file *m, void *private) ...@@ -1794,6 +1794,7 @@ static int xive_debug_show(struct seq_file *m, void *private)
kvm_for_each_vcpu(i, vcpu, kvm) { kvm_for_each_vcpu(i, vcpu, kvm) {
struct kvmppc_xive_vcpu *xc = vcpu->arch.xive_vcpu; struct kvmppc_xive_vcpu *xc = vcpu->arch.xive_vcpu;
unsigned int i;
if (!xc) if (!xc)
continue; continue;
...@@ -1803,6 +1804,33 @@ static int xive_debug_show(struct seq_file *m, void *private) ...@@ -1803,6 +1804,33 @@ static int xive_debug_show(struct seq_file *m, void *private)
xc->server_num, xc->cppr, xc->hw_cppr, xc->server_num, xc->cppr, xc->hw_cppr,
xc->mfrr, xc->pending, xc->mfrr, xc->pending,
xc->stat_rm_h_xirr, xc->stat_vm_h_xirr); xc->stat_rm_h_xirr, xc->stat_vm_h_xirr);
for (i = 0; i < KVMPPC_XIVE_Q_COUNT; i++) {
struct xive_q *q = &xc->queues[i];
u32 i0, i1, idx;
if (!q->qpage && !xc->esc_virq[i])
continue;
seq_printf(m, " [q%d]: ", i);
if (q->qpage) {
idx = q->idx;
i0 = be32_to_cpup(q->qpage + idx);
idx = (idx + 1) & q->msk;
i1 = be32_to_cpup(q->qpage + idx);
seq_printf(m, "T=%d %08x %08x... \n", q->toggle, i0, i1);
}
if (xc->esc_virq[i]) {
struct irq_data *d = irq_get_irq_data(xc->esc_virq[i]);
struct xive_irq_data *xd = irq_data_get_irq_handler_data(d);
u64 pq = xive_vm_esb_load(xd, XIVE_ESB_GET);
seq_printf(m, "E:%c%c I(%d:%llx:%llx)",
(pq & XIVE_ESB_VAL_P) ? 'P' : 'p',
(pq & XIVE_ESB_VAL_Q) ? 'Q' : 'q',
xc->esc_virq[i], pq, xd->eoi_page);
seq_printf(m, "\n");
}
}
t_rm_h_xirr += xc->stat_rm_h_xirr; t_rm_h_xirr += xc->stat_rm_h_xirr;
t_rm_h_ipoll += xc->stat_rm_h_ipoll; t_rm_h_ipoll += xc->stat_rm_h_ipoll;
......
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