1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/fault.h b/drivers/infiniband/hw/hfi1/fault.h
new file mode 100644
index 000000000..7fe7f4721
--- /dev/null
+++ b/drivers/infiniband/hw/hfi1/fault.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/*
+ * Copyright(c) 2018 Intel Corporation.
+ */
+
+#ifndef _HFI1_FAULT_H
+#define _HFI1_FAULT_H
+
+#include <linux/fault-inject.h>
+#include <linux/dcache.h>
+#include <linux/bitops.h>
+#include <linux/kernel.h>
+#include <rdma/rdma_vt.h>
+
+#include "hfi.h"
+
+struct hfi1_ibdev;
+
+#if defined(CONFIG_FAULT_INJECTION) && defined(CONFIG_FAULT_INJECTION_DEBUG_FS)
+struct fault {
+	struct fault_attr attr;
+	struct dentry *dir;
+	u64 n_rxfaults[(1U << BITS_PER_BYTE)];
+	u64 n_txfaults[(1U << BITS_PER_BYTE)];
+	u64 fault_skip;
+	u64 skip;
+	u64 fault_skip_usec;
+	unsigned long skip_usec;
+	unsigned long opcodes[(1U << BITS_PER_BYTE) / BITS_PER_LONG];
+	bool enable;
+	bool suppress_err;
+	bool opcode;
+	u8 direction;
+};
+
+int hfi1_fault_init_debugfs(struct hfi1_ibdev *ibd);
+bool hfi1_dbg_should_fault_tx(struct rvt_qp *qp, u32 opcode);
+bool hfi1_dbg_should_fault_rx(struct hfi1_packet *packet);
+bool hfi1_dbg_fault_suppress_err(struct hfi1_ibdev *ibd);
+void hfi1_fault_exit_debugfs(struct hfi1_ibdev *ibd);
+
+#else
+
+static inline int hfi1_fault_init_debugfs(struct hfi1_ibdev *ibd)
+{
+	return 0;
+}
+
+static inline bool hfi1_dbg_should_fault_rx(struct hfi1_packet *packet)
+{
+	return false;
+}
+
+static inline bool hfi1_dbg_should_fault_tx(struct rvt_qp *qp,
+					    u32 opcode)
+{
+	return false;
+}
+
+static inline bool hfi1_dbg_fault_suppress_err(struct hfi1_ibdev *ibd)
+{
+	return false;
+}
+
+static inline void hfi1_fault_exit_debugfs(struct hfi1_ibdev *ibd)
+{
+}
+#endif
+#endif /* _HFI1_FAULT_H */