@@ -265,6 +265,19 @@ static void venus_assign_register_offsets(struct venus_core *core)
}
}
+static irqreturn_t venus_isr_thread(int irq, void *dev_id)
+{
+ struct venus_core *core = dev_id;
+ irqreturn_t ret;
+
+ ret = hfi_isr_thread(irq, dev_id);
+
+ if (ret == IRQ_HANDLED && venus_fault_inject_ssr())
+ hfi_core_trigger_ssr(core, HFI_TEST_SSR_SW_ERR_FATAL);
+
+ return ret;
+}
+
static int venus_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -320,7 +333,7 @@ static int venus_probe(struct platform_device *pdev)
INIT_DELAYED_WORK(&core->work, venus_sys_error_handler);
init_waitqueue_head(&core->sys_err_done);
- ret = devm_request_threaded_irq(dev, core->irq, hfi_isr, hfi_isr_thread,
+ ret = devm_request_threaded_irq(dev, core->irq, hfi_isr, venus_isr_thread,
IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
"venus", core);
if (ret)
@@ -4,13 +4,34 @@
*/
#include <linux/debugfs.h>
+#include <linux/fault-inject.h>
#include "core.h"
+#ifdef CONFIG_FAULT_INJECTION
+static DECLARE_FAULT_ATTR(venus_ssr_attr);
+#endif
+
+#ifdef CONFIG_FAULT_INJECTION
+bool venus_fault_inject_ssr(void)
+{
+ return should_fail(&venus_ssr_attr, 1);
+}
+#else
+bool venus_fault_inject_ssr(void)
+{
+ return false;
+}
+#endif
+
void venus_dbgfs_init(struct venus_core *core)
{
core->root = debugfs_create_dir("venus", NULL);
debugfs_create_x32("fw_level", 0644, core->root, &venus_fw_debug);
+
+#ifdef CONFIG_FAULT_INJECTION
+ fault_create_debugfs_attr("fail_ssr", core->root, &venus_ssr_attr);
+#endif
}
void venus_dbgfs_deinit(struct venus_core *core)
@@ -8,5 +8,6 @@ struct venus_core;
void venus_dbgfs_init(struct venus_core *core);
void venus_dbgfs_deinit(struct venus_core *core);
+bool venus_fault_inject_ssr(void);
#endif