diff options
Diffstat (limited to 'drivers/irqchip/irq-gic-v3-its.c')
| -rw-r--r-- | drivers/irqchip/irq-gic-v3-its.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 6a74f0497f82..29b2ff5c6841 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -1008,9 +1008,15 @@ static void lpi_write_config(struct irq_data *d, u8 clr, u8 set) if (irqd_is_forwarded_to_vcpu(d)) { struct its_device *its_dev = irq_data_get_irq_chip_data(d); u32 event = its_get_event_id(d); + struct its_vlpi_map *map; prop_page = its_dev->event_map.vm->vprop_page; - hwirq = its_dev->event_map.vlpi_maps[event].vintid; + map = &its_dev->event_map.vlpi_maps[event]; + hwirq = map->vintid; + + /* Remember the updated property */ + map->properties &= ~clr; + map->properties |= set | LPI_PROP_GROUP1; } else { prop_page = gic_rdists->prop_page; hwirq = d->hwirq; @@ -1249,12 +1255,20 @@ static int its_vlpi_map(struct irq_data *d, struct its_cmd_info *info) /* Ensure all the VPEs are mapped on this ITS */ its_map_vm(its_dev->its, info->map->vm); + /* + * Flag the interrupt as forwarded so that we can + * start poking the virtual property table. + */ + irqd_set_forwarded_to_vcpu(d); + + /* Write out the property to the prop table */ + lpi_write_config(d, 0xff, info->map->properties); + /* Drop the physical mapping */ its_send_discard(its_dev, event); /* and install the virtual one */ its_send_vmapti(its_dev, event); - irqd_set_forwarded_to_vcpu(d); /* Increment the number of VLPIs */ its_dev->event_map.nr_vlpis++; |