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D7662.1775852653.diff
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Index: head/sys/arm64/arm64/gic_v3.c
===================================================================
--- head/sys/arm64/arm64/gic_v3.c
+++ head/sys/arm64/arm64/gic_v3.c
@@ -503,12 +503,33 @@
#endif
static int
+gic_map_msi(device_t dev, struct intr_map_data_msi *msi_data, u_int *irqp,
+ enum intr_polarity *polp, enum intr_trigger *trigp)
+{
+ struct gic_v3_irqsrc *gi;
+
+ /* SPI-mapped MSI */
+ gi = (struct gic_v3_irqsrc *)msi_data->isrc;
+ if (gi == NULL)
+ return (ENXIO);
+
+ *irqp = gi->gi_irq;
+
+ /* MSI/MSI-X interrupts are always edge triggered with high polarity */
+ *polp = INTR_POLARITY_HIGH;
+ *trigp = INTR_TRIGGER_EDGE;
+
+ return (0);
+}
+
+static int
do_gic_v3_map_intr(device_t dev, struct intr_map_data *data, u_int *irqp,
enum intr_polarity *polp, enum intr_trigger *trigp)
{
struct gic_v3_softc *sc;
enum intr_polarity pol;
enum intr_trigger trig;
+ struct intr_map_data_msi *dam;
#ifdef FDT
struct intr_map_data_fdt *daf;
#endif
@@ -525,6 +546,12 @@
return (EINVAL);
break;
#endif
+ case INTR_MAP_DATA_MSI:
+ /* SPI-mapped MSI */
+ dam = (struct intr_map_data_msi *)data;
+ if (gic_map_msi(dev, dam, &irq, &pol, &trig) != 0)
+ return (EINVAL);
+ break;
default:
return (EINVAL);
}
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D7662: Add support for SPI-mapped MSI interrupts in GICv3
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