diff options
Diffstat (limited to 'drivers/irqchip')
| -rw-r--r-- | drivers/irqchip/irq-gic-v3-its.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index dd92a8a4572a..ead06d443c3b 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -36,6 +36,7 @@ #include <linux/irqchip.h> #include <linux/irqchip/arm-gic-v3.h> +#include <linux/irqchip/arm-gic-v4.h> #include <asm/cputype.h> #include <asm/exception.h> @@ -786,6 +787,28 @@ static int its_irq_set_irqchip_state(struct irq_data *d, return 0; } +static int its_irq_set_vcpu_affinity(struct irq_data *d, void *vcpu_info) +{ + struct its_device *its_dev = irq_data_get_irq_chip_data(d); + struct its_cmd_info *info = vcpu_info; + + /* Need a v4 ITS */ + if (!its_dev->its->is_v4 || !info) + return -EINVAL; + + switch (info->cmd_type) { + case MAP_VLPI: + + case GET_VLPI: + + case PROP_UPDATE_VLPI: + case PROP_UPDATE_AND_INV_VLPI: + + default: + return -EINVAL; + } +} + static struct irq_chip its_irq_chip = { .name = "ITS", .irq_mask = its_mask_irq, @@ -794,6 +817,7 @@ static struct irq_chip its_irq_chip = { .irq_set_affinity = its_set_affinity, .irq_compose_msi_msg = its_irq_compose_msi_msg, .irq_set_irqchip_state = its_irq_set_irqchip_state, + .irq_set_vcpu_affinity = its_irq_set_vcpu_affinity, }; /* |