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| author | Marc Zyngier <marc.zyngier@arm.com> | 2016-12-20 15:31:02 +0000 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2017-08-31 15:31:41 +0100 |
| commit | eab84318c2811e3f38c080efcc7f709f51bb8370 (patch) | |
| tree | 0928ecb91d8f93805ddf1aa99e0516e23459ec41 /drivers/irqchip | |
| parent | 7de5c0af9c7c717f9052e6d75b24f90050e6a56e (diff) | |
| download | linux-eab84318c2811e3f38c080efcc7f709f51bb8370.tar.bz2 | |
irqchip/gic-v4: Add VPE command interface
Add the required interfaces to schedule a VPE and perform a
VINVALL command.
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'drivers/irqchip')
| -rw-r--r-- | drivers/irqchip/irq-gic-v4.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-gic-v4.c b/drivers/irqchip/irq-gic-v4.c index 3d4bedea4e78..d3f8b7a13d2c 100644 --- a/drivers/irqchip/irq-gic-v4.c +++ b/drivers/irqchip/irq-gic-v4.c @@ -72,3 +72,28 @@ void its_free_vcpu_irqs(struct its_vm *vm) irq_domain_remove(vm->domain); irq_domain_free_fwnode(vm->fwnode); } + +static int its_send_vpe_cmd(struct its_vpe *vpe, struct its_cmd_info *info) +{ + return irq_set_vcpu_affinity(vpe->irq, info); +} + +int its_schedule_vpe(struct its_vpe *vpe, bool on) +{ + struct its_cmd_info info; + + WARN_ON(preemptible()); + + info.cmd_type = on ? SCHEDULE_VPE : DESCHEDULE_VPE; + + return its_send_vpe_cmd(vpe, &info); +} + +int its_invall_vpe(struct its_vpe *vpe) +{ + struct its_cmd_info info = { + .cmd_type = INVALL_VPE, + }; + + return its_send_vpe_cmd(vpe, &info); +} |