diff options
Diffstat (limited to 'drivers/irqchip')
| -rw-r--r-- | drivers/irqchip/irq-gic-v3-its.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 5ef706e8fc1f..3adc597e2a82 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -3624,12 +3624,29 @@ static void its_vpe_4_1_unmask_irq(struct irq_data *d) its_vpe_4_1_send_inv(d); } +static void its_vpe_4_1_schedule(struct its_vpe *vpe, + struct its_cmd_info *info) +{ + void __iomem *vlpi_base = gic_data_rdist_vlpi_base(); + u64 val = 0; + + /* Schedule the VPE */ + val |= GICR_VPENDBASER_Valid; + val |= info->g0en ? GICR_VPENDBASER_4_1_VGRP0EN : 0; + val |= info->g1en ? GICR_VPENDBASER_4_1_VGRP1EN : 0; + val |= FIELD_PREP(GICR_VPENDBASER_4_1_VPEID, vpe->vpe_id); + + gits_write_vpendbaser(val, vlpi_base + GICR_VPENDBASER); +} + static int its_vpe_4_1_set_vcpu_affinity(struct irq_data *d, void *vcpu_info) { + struct its_vpe *vpe = irq_data_get_irq_chip_data(d); struct its_cmd_info *info = vcpu_info; switch (info->cmd_type) { case SCHEDULE_VPE: + its_vpe_4_1_schedule(vpe, info); return 0; case DESCHEDULE_VPE: |