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From: Andre Przywara <andre.przywara@arm.com>
To: Andrew Jones <drjones@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>
Cc: Marc Zyngier <maz@kernel.org>,
	kvmarm@lists.cs.columbia.edu,
	linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org
Subject: [kvm-unit-tests PATCH 08/17] arm: gic: Add simple SPI MP test
Date: Fri,  8 Nov 2019 14:42:31 +0000
Message-ID: <20191108144240.204202-9-andre.przywara@arm.com> (raw)
In-Reply-To: <20191108144240.204202-1-andre.przywara@arm.com>

Shared Peripheral Interrupts (SPI) can target a specific CPU. Test this
feature by routing the test SPI to each of the vCPUs, then triggering it
and confirm its reception on that requested core.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
---
 arm/gic.c | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/arm/gic.c b/arm/gic.c
index 63aa9f4..304b7b9 100644
--- a/arm/gic.c
+++ b/arm/gic.c
@@ -620,16 +620,45 @@ static void spi_test_single(void)
 	check_acked("now enabled SPI fires", &cpumask);
 }
 
+static void spi_test_smp(void)
+{
+	int cpu;
+	int cores = 1;
+
+	wait_on_ready();
+	for_each_present_cpu(cpu) {
+		if (cpu == smp_processor_id())
+			continue;
+		spi_configure_irq(SPI_IRQ, cpu);
+		if (trigger_and_check_spi(NULL, IRQ_STAT_IRQ, cpu))
+			cores++;
+		else
+			report_info("SPI delivery failed on core %d", cpu);
+	}
+	report("SPI delievered on all cores", cores == nr_cpus);
+}
+
 static void spi_send(void)
 {
 	irqs_enable();
 
 	spi_test_single();
 
+	if (nr_cpus > 1)
+		spi_test_smp();
+
 	check_spurious();
 	exit(report_summary());
 }
 
+static void spi_test(void *data __unused)
+{
+	if (smp_processor_id() == 0)
+		spi_send();
+	else
+		irq_recv();
+}
+
 int main(int argc, char **argv)
 {
 	if (!gic_init()) {
@@ -663,7 +692,7 @@ int main(int argc, char **argv)
 		report_prefix_pop();
 	} else if (strcmp(argv[1], "irq") == 0) {
 		report_prefix_push(argv[1]);
-		spi_send();
+		on_cpus(spi_test, NULL);
 		report_prefix_pop();
 	} else {
 		report_abort("Unknown subtest '%s'", argv[1]);
-- 
2.17.1

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  parent reply index

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-08 14:42 [kvm-unit-tests PATCH 00/17] arm: gic: Test SPIs and interrupt groups Andre Przywara
2019-11-08 14:42 ` [kvm-unit-tests PATCH 01/17] arm: gic: Enable GIC MMIO tests for GICv3 as well Andre Przywara
2019-11-08 17:28   ` Alexandru Elisei
2019-11-12 12:49   ` Auger Eric
2019-11-08 14:42 ` [kvm-unit-tests PATCH 02/17] arm: gic: Generalise function names Andre Przywara
2019-11-12 11:11   ` Alexandru Elisei
2019-11-12 12:49   ` Auger Eric
2019-11-08 14:42 ` [kvm-unit-tests PATCH 03/17] arm: gic: Provide per-IRQ helper functions Andre Przywara
2019-11-12 12:51   ` Alexandru Elisei
2019-11-12 15:53     ` Auger Eric
2019-11-12 16:53       ` Alexandru Elisei
2019-11-12 13:49   ` Auger Eric
2019-11-08 14:42 ` [kvm-unit-tests PATCH 04/17] arm: gic: Support no IRQs test case Andre Przywara
2019-11-12 13:26   ` Alexandru Elisei
2019-11-12 21:14     ` Auger Eric
2019-11-08 14:42 ` [kvm-unit-tests PATCH 05/17] arm: gic: Prepare IRQ handler for handling SPIs Andre Przywara
2019-11-12 13:36   ` Alexandru Elisei
2019-11-12 20:56   ` Auger Eric
2019-11-08 14:42 ` [kvm-unit-tests PATCH 06/17] arm: gic: Add simple shared IRQ test Andre Przywara
2019-11-12 13:54   ` Alexandru Elisei
2019-11-08 14:42 ` [kvm-unit-tests PATCH 07/17] arm: gic: Extend check_acked() to allow silent call Andre Przywara
2019-11-12 15:23   ` Alexandru Elisei
2019-11-14 12:32     ` Andrew Jones
2019-11-15 11:32       ` Alexandru Elisei
2019-11-08 14:42 ` Andre Przywara [this message]
2019-11-12 15:41   ` [kvm-unit-tests PATCH 08/17] arm: gic: Add simple SPI MP test Alexandru Elisei
2019-11-08 14:42 ` [kvm-unit-tests PATCH 09/17] arm: gic: Add test for flipping GICD_CTLR.DS Andre Przywara
2019-11-12 16:42   ` Alexandru Elisei
2019-11-14 13:39     ` Vladimir Murzin
2019-11-14 14:17       ` Andre Przywara
2019-11-14 14:50         ` Vladimir Murzin
2019-11-14 15:21           ` Alexandru Elisei
2019-11-14 15:27             ` Peter Maydell
2019-11-14 15:47               ` Alexandru Elisei
2019-11-14 15:56                 ` Peter Maydell
2019-11-08 14:42 ` [kvm-unit-tests PATCH 10/17] arm: gic: Check for writable IGROUPR registers Andre Przywara
2019-11-12 16:51   ` Alexandru Elisei
2019-11-08 14:42 ` [kvm-unit-tests PATCH 11/17] arm: gic: Check for validity of both group enable bits Andre Przywara
2019-11-12 16:58   ` Alexandru Elisei
2019-11-08 14:42 ` [kvm-unit-tests PATCH 12/17] arm: gic: Change gic_read_iar() to take group parameter Andre Przywara
2019-11-12 17:19   ` Alexandru Elisei
2019-11-14 12:50     ` Andrew Jones
2019-11-08 14:42 ` [kvm-unit-tests PATCH 13/17] arm: gic: Change write_eoir() " Andre Przywara
2019-11-08 14:42 ` [kvm-unit-tests PATCH 14/17] arm: gic: Prepare for receiving GIC group 0 interrupts via FIQs Andre Przywara
2019-11-12 17:30   ` Alexandru Elisei
2019-11-08 14:42 ` [kvm-unit-tests PATCH 15/17] arm: gic: Provide FIQ handler Andre Przywara
2019-11-13 10:14   ` Alexandru Elisei
2019-11-08 14:42 ` [kvm-unit-tests PATCH 16/17] arm: gic: Prepare interrupt statistics for both groups Andre Przywara
2019-11-13 10:44   ` Alexandru Elisei
2019-11-08 14:42 ` [kvm-unit-tests PATCH 17/17] arm: gic: Test Group0 SPIs Andre Przywara
2019-11-13 11:26   ` Alexandru Elisei

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