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-rw-r--r--sources/xdma_driver/xdma/cdev_sgdma.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/sources/xdma_driver/xdma/cdev_sgdma.h b/sources/xdma_driver/xdma/cdev_sgdma.h
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+++ b/sources/xdma_driver/xdma/cdev_sgdma.h
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+/*
+ * This file is part of the Xilinx DMA IP Core driver for Linux
+ *
+ * Copyright (c) 2016-present, Xilinx, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under both the BSD-style license (found in the
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
+ * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
+ */
+
+#ifndef _XDMA_IOCALLS_POSIX_H_
+#define _XDMA_IOCALLS_POSIX_H_
+
+#include <linux/ioctl.h>
+
+
+#define IOCTL_XDMA_PERF_V1 (1)
+#define XDMA_ADDRMODE_MEMORY (0)
+#define XDMA_ADDRMODE_FIXED (1)
+
+/*
+ * S means "Set" through a ptr,
+ * T means "Tell" directly with the argument value
+ * G means "Get": reply by setting through a pointer
+ * Q means "Query": response is on the return value
+ * X means "eXchange": switch G and S atomically
+ * H means "sHift": switch T and Q atomically
+ *
+ * _IO(type,nr) no arguments
+ * _IOR(type,nr,datatype) read data from driver
+ * _IOW(type,nr.datatype) write data to driver
+ * _IORW(type,nr,datatype) read/write data
+ *
+ * _IOC_DIR(nr) returns direction
+ * _IOC_TYPE(nr) returns magic
+ * _IOC_NR(nr) returns number
+ * _IOC_SIZE(nr) returns size
+ */
+
+struct xdma_performance_ioctl
+{
+ /* IOCTL_XDMA_IOCTL_Vx */
+ uint32_t version;
+ uint32_t transfer_size;
+ /* measurement */
+ uint32_t stopped;
+ uint32_t iterations;
+ uint64_t clock_cycle_count;
+ uint64_t data_cycle_count;
+ uint64_t pending_count;
+};
+
+
+
+/* IOCTL codes */
+
+#define IOCTL_XDMA_PERF_START _IOW('q', 1, struct xdma_performance_ioctl *)
+#define IOCTL_XDMA_PERF_STOP _IOW('q', 2, struct xdma_performance_ioctl *)
+#define IOCTL_XDMA_PERF_GET _IOR('q', 3, struct xdma_performance_ioctl *)
+#define IOCTL_XDMA_ADDRMODE_SET _IOW('q', 4, int)
+#define IOCTL_XDMA_ADDRMODE_GET _IOR('q', 5, int)
+#define IOCTL_XDMA_ALIGN_GET _IOR('q', 6, int)
+
+#endif /* _XDMA_IOCALLS_POSIX_H_ */