1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/raw/ifpga_rawdev/base/ifpga_compat.h b/drivers/raw/ifpga_rawdev/base/ifpga_compat.h
new file mode 100644
index 00000000..931c8938
--- /dev/null
+++ b/drivers/raw/ifpga_rawdev/base/ifpga_compat.h
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2018 Intel Corporation
+ */
+
+#ifndef _IFPGA_COMPAT_H_
+#define _IFPGA_COMPAT_H_
+
+#include "opae_osdep.h"
+
+#undef container_of
+#define container_of(ptr, type, member) ({ \
+		typeof(((type *)0)->member)(*__mptr) = (ptr); \
+		(type *)((char *)__mptr - offsetof(type, member)); })
+
+#define IFPGA_PAGE_SHIFT       12
+#define IFPGA_PAGE_SIZE        (1 << IFPGA_PAGE_SHIFT)
+#define IFPGA_PAGE_MASK        (~(IFPGA_PAGE_SIZE - 1))
+#define IFPGA_PAGE_ALIGN(addr) (((addr) + IFPGA_PAGE_SIZE - 1)\
+		& IFPGA_PAGE_MASK)
+#define IFPGA_ALIGN(x, a)  (((x) + (a) - 1) & ~((a) - 1))
+
+#define IS_ALIGNED(x, a)		(((x) & ((typeof(x))(a) - 1)) == 0)
+#define PAGE_ALIGNED(addr) IS_ALIGNED((unsigned long)(addr), IFPGA_PAGE_SIZE)
+
+#define readl(addr) opae_readl(addr)
+#define readq(addr) opae_readq(addr)
+#define writel(value, addr) opae_writel(value, addr)
+#define writeq(value, addr) opae_writeq(value, addr)
+
+#define malloc(size) opae_malloc(size)
+#define zmalloc(size) opae_zmalloc(size)
+#define free(size) opae_free(size)
+
+/*
+ * Wait register's _field to be changed to the given value (_expect's _field)
+ * by polling with given interval and timeout.
+ */
+#define fpga_wait_register_field(_field, _expect, _reg_addr, _timeout, _invl)\
+({									     \
+	int wait = 0;							     \
+	int ret = -ETIMEDOUT;						     \
+	typeof(_expect) value;						     \
+	for (; wait <= _timeout; wait += _invl) {			     \
+		value.csr = readq(_reg_addr);				     \
+		if (_expect._field == value._field) {			     \
+			ret = 0;					     \
+			break;						     \
+		}							     \
+		udelay(_invl);						     \
+	}								     \
+	ret;								     \
+})
+
+#define __maybe_unused __attribute__((__unused__))
+
+#define UNUSED(x)	(void)(x)
+
+#endif /* _IFPGA_COMPAT_H_ */