lkml.org 
[lkml]   [2017]   [Jan]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RFC PATCH 31/33] irqchip/gic-v4: Add VLPI configuration interface
Date
Add the required interfaces to map, unmap and update a VLPI.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
---
drivers/irqchip/irq-gic-v4.c | 29 +++++++++++++++++++++++++++++
include/linux/irqchip/arm-gic-v4.h | 3 +++
2 files changed, 32 insertions(+)

diff --git a/drivers/irqchip/irq-gic-v4.c b/drivers/irqchip/irq-gic-v4.c
index 7d74089..36ccaac 100644
--- a/drivers/irqchip/irq-gic-v4.c
+++ b/drivers/irqchip/irq-gic-v4.c
@@ -140,3 +140,32 @@ int its_invall_vpe(struct its_vpe *vpe)

return its_send_vpe_cmd(vpe, &info);
}
+
+int its_map_vlpi(int irq, struct its_vlpi_map *map)
+{
+ struct its_cmd_info info = {
+ .cmd_type = MAP_VLPI,
+ .map = map,
+ };
+
+ return irq_set_vcpu_affinity(irq, &info);
+}
+
+int its_unmap_vlpi(int irq)
+{
+ struct its_cmd_info info = {
+ .cmd_type = UNMAP_VLPI,
+ };
+
+ return irq_set_vcpu_affinity(irq, &info);
+}
+
+int its_prop_update_vlpi(int irq, u8 config)
+{
+ struct its_cmd_info info = {
+ .cmd_type = PROP_UPDATE_VLPI,
+ .config = config,
+ };
+
+ return irq_set_vcpu_affinity(irq, &info);
+}
diff --git a/include/linux/irqchip/arm-gic-v4.h b/include/linux/irqchip/arm-gic-v4.h
index 1c58add..f85a929 100644
--- a/include/linux/irqchip/arm-gic-v4.h
+++ b/include/linux/irqchip/arm-gic-v4.h
@@ -93,5 +93,8 @@ int its_alloc_vcpu_irqs(struct its_vm *vm, struct its_vpe **vpes, int nr_vpes);
void its_free_vcpu_irqs(struct its_vm *vm, int nr_vpes);
int its_schedule_vpe(struct its_vpe *vpe, bool on);
int its_invall_vpe(struct its_vpe *vpe);
+int its_map_vlpi(int irq, struct its_vlpi_map *map);
+int its_unmap_vlpi(int irq);
+int its_prop_update_vlpi(int irq, u8 config);

#endif
--
2.1.4
\
 
 \ /
  Last update: 2017-01-17 11:36    [W:0.674 / U:0.264 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site