diff options
| author | Shashi Mallela <shashi.mallela@linaro.org> | 2021-09-13 16:07:23 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-09-13 21:01:08 +0100 |
| commit | ac30dec39652c6fe43484448617c4ca6f26b0841 (patch) | |
| tree | d5c5d11524c9d1723d38f8ba8710849da02d9915 /hw/intc/arm_gicv3_common.c | |
| parent | c694cb4cada0cd6c646f704e868072bbd4f55798 (diff) | |
hw/intc: GICv3 ITS Feature enablement
Added properties to enable ITS feature and define qemu system
address space memory in gicv3 common,setup distributor and
redistributor registers to indicate LPI support.
Signed-off-by: Shashi Mallela <shashi.mallela@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Neil Armstrong <narmstrong@baylibre.com>
Message-id: 20210910143951.92242-6-shashi.mallela@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/intc/arm_gicv3_common.c')
| -rw-r--r-- | hw/intc/arm_gicv3_common.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/hw/intc/arm_gicv3_common.c b/hw/intc/arm_gicv3_common.c index 58ef65f589..53dea2a775 100644 --- a/hw/intc/arm_gicv3_common.c +++ b/hw/intc/arm_gicv3_common.c @@ -345,6 +345,11 @@ static void arm_gicv3_common_realize(DeviceState *dev, Error **errp) return; } + if (s->lpi_enable && !s->dma) { + error_setg(errp, "Redist-ITS: Guest 'sysmem' reference link not set"); + return; + } + s->cpu = g_new0(GICv3CPUState, s->num_cpu); for (i = 0; i < s->num_cpu; i++) { @@ -381,6 +386,10 @@ static void arm_gicv3_common_realize(DeviceState *dev, Error **errp) (1 << 24) | (i << 8) | (last << 4); + + if (s->lpi_enable) { + s->cpu[i].gicr_typer |= GICR_TYPER_PLPIS; + } } } @@ -494,9 +503,12 @@ static Property arm_gicv3_common_properties[] = { DEFINE_PROP_UINT32("num-cpu", GICv3State, num_cpu, 1), DEFINE_PROP_UINT32("num-irq", GICv3State, num_irq, 32), DEFINE_PROP_UINT32("revision", GICv3State, revision, 3), + DEFINE_PROP_BOOL("has-lpi", GICv3State, lpi_enable, 0), DEFINE_PROP_BOOL("has-security-extensions", GICv3State, security_extn, 0), DEFINE_PROP_ARRAY("redist-region-count", GICv3State, nb_redist_regions, redist_region_count, qdev_prop_uint32, uint32_t), + DEFINE_PROP_LINK("sysmem", GICv3State, dma, TYPE_MEMORY_REGION, + MemoryRegion *), DEFINE_PROP_END_OF_LIST(), }; |