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authorSteffen Görtz <contrib@steffen-goertz.de>2019-01-07 15:23:47 +0000
committerPeter Maydell <peter.maydell@linaro.org>2019-01-07 15:23:47 +0000
commit9813dc6ac3954d58ba16b3920556f106f97e1c67 (patch)
treee3a5ef5827aa29ec852dafc7d7509c6356d7abbd
parentead07aa4ef753f0facd19a7218402f7d19eff60a (diff)
downloadqemu-arm-9813dc6ac3954d58ba16b3920556f106f97e1c67.tar.gz
qtest: Add set_irq_in command to set IRQ/GPIO level
Adds a new qtest command "set_irq_in" which allows to set qemu gpio lines to a given level. Based on https://lists.gnu.org/archive/html/qemu-devel/2012-12/msg02363.html which never got merged. Signed-off-by: Steffen Görtz <contrib@steffen-goertz.de> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Laurent Vivier <lvivier@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20190103091119.9367-2-stefanha@redhat.com Originally-by: Matthew Ogilvie <mmogilvi_qemu@miniinfo.net> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Laurent Vivier <lvivier@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--qtest.c43
-rw-r--r--tests/libqtest.c10
-rw-r--r--tests/libqtest.h13
3 files changed, 66 insertions, 0 deletions
diff --git a/qtest.c b/qtest.c
index 69b9e9962b..451696b5da 100644
--- a/qtest.c
+++ b/qtest.c
@@ -164,6 +164,17 @@ static bool qtest_opened;
* where NUM is an IRQ number. For the PC, interrupts can be intercepted
* simply with "irq_intercept_in ioapic" (note that IRQ0 comes out with
* NUM=0 even though it is remapped to GSI 2).
+ *
+ * Setting interrupt level:
+ *
+ * > set_irq_in QOM-PATH NAME NUM LEVEL
+ * < OK
+ *
+ * where NAME is the name of the irq/gpio list, NUM is an IRQ number and
+ * LEVEL is an signed integer IRQ level.
+ *
+ * Forcibly set the given interrupt pin to the given level.
+ *
*/
static int hex2nib(char ch)
@@ -326,7 +337,39 @@ static void qtest_process_command(CharBackend *chr, gchar **words)
irq_intercept_dev = dev;
qtest_send_prefix(chr);
qtest_send(chr, "OK\n");
+ } else if (strcmp(words[0], "set_irq_in") == 0) {
+ DeviceState *dev;
+ qemu_irq irq;
+ char *name;
+ int ret;
+ int num;
+ int level;
+
+ g_assert(words[1] && words[2] && words[3] && words[4]);
+ dev = DEVICE(object_resolve_path(words[1], NULL));
+ if (!dev) {
+ qtest_send_prefix(chr);
+ qtest_send(chr, "FAIL Unknown device\n");
+ return;
+ }
+
+ if (strcmp(words[2], "unnamed-gpio-in") == 0) {
+ name = NULL;
+ } else {
+ name = words[2];
+ }
+
+ ret = qemu_strtoi(words[3], NULL, 0, &num);
+ g_assert(!ret);
+ ret = qemu_strtoi(words[4], NULL, 0, &level);
+ g_assert(!ret);
+
+ irq = qdev_get_gpio_in_named(dev, name, num);
+
+ qemu_set_irq(irq, level);
+ qtest_send_prefix(chr);
+ qtest_send(chr, "OK\n");
} else if (strcmp(words[0], "outb") == 0 ||
strcmp(words[0], "outw") == 0 ||
strcmp(words[0], "outl") == 0) {
diff --git a/tests/libqtest.c b/tests/libqtest.c
index 1d75d3c936..55750dd68d 100644
--- a/tests/libqtest.c
+++ b/tests/libqtest.c
@@ -753,6 +753,16 @@ void qtest_irq_intercept_in(QTestState *s, const char *qom_path)
qtest_rsp(s, 0);
}
+void qtest_set_irq_in(QTestState *s, const char *qom_path, const char *name,
+ int num, int level)
+{
+ if (!name) {
+ name = "unnamed-gpio-in";
+ }
+ qtest_sendf(s, "set_irq_in %s %s %d %d\n", qom_path, name, num, level);
+ qtest_rsp(s, 0);
+}
+
static void qtest_out(QTestState *s, const char *cmd, uint16_t addr, uint32_t value)
{
qtest_sendf(s, "%s 0x%x 0x%x\n", cmd, addr, value);
diff --git a/tests/libqtest.h b/tests/libqtest.h
index 9758c51be6..7ea94139b0 100644
--- a/tests/libqtest.h
+++ b/tests/libqtest.h
@@ -231,6 +231,19 @@ void qtest_irq_intercept_in(QTestState *s, const char *string);
void qtest_irq_intercept_out(QTestState *s, const char *string);
/**
+ * qtest_set_irq_in:
+ * @s: QTestState instance to operate on.
+ * @string: QOM path of a device
+ * @name: IRQ name
+ * @irq: IRQ number
+ * @level: IRQ level
+ *
+ * Force given device/irq GPIO-in pin to the given level.
+ */
+void qtest_set_irq_in(QTestState *s, const char *string, const char *name,
+ int irq, int level);
+
+/**
* qtest_outb:
* @s: #QTestState instance to operate on.
* @addr: I/O port to write to.