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ppc/pnv: Add trace events for PCI event notification

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On POWER9 systems, PHB controllers signal the XIVE interrupt controller
of a source interrupt notification using a store on a MMIO region. Add
traces for such events.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210126171059.307867-2-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Cédric Le Goater 2021-01-26 18:10:53 +01:00 • committed by David Gibson
parent 1f38f48900
commit 2cfc9f1a96
4 changed files with 12 additions and 0 deletions
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3
hw/intc/pnv_xive.c
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@ -24,6 +24,7 @@
#include "hw/ppc/xive_regs.h"
#include "hw/qdev-properties.h"
#include "hw/ppc/ppc.h"
#include "trace.h"
#include <libfdt.h>
@ -1319,6 +1320,8 @@ static void pnv_xive_ic_hw_trigger(PnvXive *xive, hwaddr addr, uint64_t val)
uint8_t blk;
uint32_t idx;
trace_pnv_xive_ic_hw_trigger(addr, val);
if (val & XIVE_TRIGGER_END) {
xive_error(xive, "IC: END trigger at @0x%"HWADDR_PRIx" data 0x%"PRIx64,
addr, val);