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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 07/17] arm: gic: Extend check_acked() to allow silent call
Date: Fri,  8 Nov 2019 14:42:30 +0000
Message-ID: <20191108144240.204202-8-andre.przywara@arm.com> (raw)
In-Reply-To: <20191108144240.204202-1-andre.przywara@arm.com>

For future tests we will need to call check_acked() twice for the same
interrupt (to test delivery of Group 0 and Group 1 interrupts).
This should be reported as a single test, so allow check_acked() to be
called with a "NULL" test name, to suppress output. We report the test
result via the return value, so the outcome is not lost.

Also this amends the new trigger_and_check_spi() wrapper, to propagate
the test result to callers of that function.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
---
 arm/gic.c | 29 +++++++++++++++++++----------
 1 file changed, 19 insertions(+), 10 deletions(-)

diff --git a/arm/gic.c b/arm/gic.c
index 3be76cb..63aa9f4 100644
--- a/arm/gic.c
+++ b/arm/gic.c
@@ -62,7 +62,7 @@ static void stats_reset(void)
 	smp_wmb();
 }
 
-static void check_acked(const char *testname, cpumask_t *mask)
+static int check_acked(const char *testname, cpumask_t *mask)
 {
 	int missing = 0, extra = 0, unexpected = 0;
 	int nr_pass, cpu, i;
@@ -91,16 +91,20 @@ static void check_acked(const char *testname, cpumask_t *mask)
 			}
 		}
 		if (!noirqs && nr_pass == nr_cpus) {
-			report("%s", !bad, testname);
-			if (i)
-				report_info("took more than %d ms", i * 100);
-			return;
+			if (testname) {
+				report("%s", !bad, testname);
+				if (i)
+					report_info("took more than %d ms",
+						    i * 100);
+			}
+			return i * 100;
 		}
 	}
 
 	if (noirqs && nr_pass == nr_cpus) {
-		report("%s", !bad, testname);
-		return;
+		if (testname)
+			report("%s", !bad, testname);
+		return i * 100;
 	}
 
 	for_each_present_cpu(cpu) {
@@ -115,9 +119,11 @@ static void check_acked(const char *testname, cpumask_t *mask)
 		}
 	}
 
-	report("%s", false, testname);
+	if (testname)
+		report("%s", false, testname);
 	report_info("Timed-out (5s). ACKS: missing=%d extra=%d unexpected=%d",
 		    missing, extra, unexpected);
+	return -1;
 }
 
 static void check_spurious(void)
@@ -567,11 +573,12 @@ static void spi_configure_irq(int irq, int cpu)
  * Wait for an SPI to fire (or not) on a certain CPU.
  * Clears the pending bit if requested afterwards.
  */
-static void trigger_and_check_spi(const char *test_name,
+static bool trigger_and_check_spi(const char *test_name,
 				  unsigned int irq_stat,
 				  int cpu)
 {
 	cpumask_t cpumask;
+	bool ret = true;
 
 	stats_reset();
 	gic_spi_trigger(SPI_IRQ);
@@ -584,11 +591,13 @@ static void trigger_and_check_spi(const char *test_name,
 		break;
 	}
 
-	check_acked(test_name, &cpumask);
+	ret = (check_acked(test_name, &cpumask) >= 0);
 
 	/* Clean up pending bit in case this IRQ wasn't taken. */
 	if (!(irq_stat & IRQ_STAT_NO_CLEAR))
 		gic_set_irq_bit(SPI_IRQ, GICD_ICPENDR);
+
+	return ret;
 }
 
 static void spi_test_single(void)
-- 
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 ` Andre Przywara [this message]
2019-11-12 15:23   ` [kvm-unit-tests PATCH 07/17] arm: gic: Extend check_acked() to allow silent call Alexandru Elisei
2019-11-14 12:32     ` Andrew Jones
2019-11-15 11:32       ` Alexandru Elisei
2019-11-08 14:42 ` [kvm-unit-tests PATCH 08/17] arm: gic: Add simple SPI MP test Andre Przywara
2019-11-12 15:41   ` 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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