diff options
| author | Cédric Le Goater <clg@kaod.org> | 2017-12-01 17:06:03 +0100 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2017-12-15 09:49:24 +1100 |
| commit | 9e7dc5fc2e9d87a5492099de72800347e944e4ea (patch) | |
| tree | e16b98a6715c8a5d1d85ea2828e53dcca99f067c /hw | |
| parent | 60c6823b9bce6789f1ad95bca233fc490161b279 (diff) | |
| download | qemu-9e7dc5fc2e9d87a5492099de72800347e944e4ea.zip qemu-9e7dc5fc2e9d87a5492099de72800347e944e4ea.tar.gz qemu-9e7dc5fc2e9d87a5492099de72800347e944e4ea.tar.bz2 | |
spapr: introduce a spapr_irq_set_lsi() helper
It will make synchronisation easier with the XIVE interrupt mode when
available. The 'irq' parameter refers to the global IRQ number space.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/ppc/spapr.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 53c2c58..02cc7ff 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -3582,6 +3582,14 @@ static int ics_find_free_block(ICSState *ics, int num, int alignnum) return -1; } +/* + * Allocate the IRQ number and set the IRQ type, LSI or MSI + */ +static void spapr_irq_set_lsi(sPAPRMachineState *spapr, int irq, bool lsi) +{ + ics_set_irq_type(spapr->ics, irq - spapr->ics->offset, lsi); +} + int spapr_irq_alloc(sPAPRMachineState *spapr, int irq_hint, bool lsi, Error **errp) { @@ -3606,7 +3614,7 @@ int spapr_irq_alloc(sPAPRMachineState *spapr, int irq_hint, bool lsi, irq += ics->offset; } - ics_set_irq_type(ics, irq - ics->offset, lsi); + spapr_irq_set_lsi(spapr, irq, lsi); trace_spapr_irq_alloc(irq); return irq; @@ -3645,10 +3653,10 @@ int spapr_irq_alloc_block(sPAPRMachineState *spapr, int num, bool lsi, return -1; } + first += ics->offset; for (i = first; i < first + num; ++i) { - ics_set_irq_type(ics, i, lsi); + spapr_irq_set_lsi(spapr, i, lsi); } - first += ics->offset; trace_spapr_irq_alloc_block(first, num, lsi, align); |