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Diffstat (limited to 'include/uapi/misc/mrvl_cn10k_dpi.h')
-rw-r--r--include/uapi/misc/mrvl_cn10k_dpi.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/include/uapi/misc/mrvl_cn10k_dpi.h b/include/uapi/misc/mrvl_cn10k_dpi.h
new file mode 100644
index 000000000000..8db902eaa907
--- /dev/null
+++ b/include/uapi/misc/mrvl_cn10k_dpi.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Marvell Octeon CN10K DPI driver
+ *
+ * Copyright (C) 2024 Marvell.
+ *
+ */
+
+#ifndef __MRVL_CN10K_DPI_H__
+#define __MRVL_CN10K_DPI_H__
+
+#include <linux/types.h>
+
+#define DPI_MAX_ENGINES 6
+
+struct dpi_mps_mrrs_cfg {
+ __u16 max_read_req_sz; /* Max read request size */
+ __u16 max_payload_sz; /* Max payload size */
+ __u16 port; /* Ebus port */
+ __u16 reserved; /* Reserved */
+};
+
+struct dpi_engine_cfg {
+ __u64 fifo_mask; /* FIFO size mask in KBytes */
+ __u16 molr[DPI_MAX_ENGINES]; /* Max outstanding load requests */
+ __u16 update_molr; /* '1' to update engine MOLR */
+ __u16 reserved; /* Reserved */
+};
+
+/* DPI ioctl numbers */
+#define DPI_MAGIC_NUM 0xB8
+
+/* Set MPS & MRRS parameters */
+#define DPI_MPS_MRRS_CFG _IOW(DPI_MAGIC_NUM, 1, struct dpi_mps_mrrs_cfg)
+
+/* Set Engine FIFO configuration */
+#define DPI_ENGINE_CFG _IOW(DPI_MAGIC_NUM, 2, struct dpi_engine_cfg)
+
+#endif /* __MRVL_CN10K_DPI_H__ */