1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2018 Intel Corporation
5 #ifndef _IFPGA_COMPAT_H_
6 #define _IFPGA_COMPAT_H_
8 #include "opae_osdep.h"
11 #define container_of(ptr, type, member) ({ \
12 typeof(((type *)0)->member)(*__mptr) = (ptr); \
13 (type *)((char *)__mptr - offsetof(type, member)); })
15 #define IFPGA_PAGE_SHIFT 12
16 #define IFPGA_PAGE_SIZE (1 << IFPGA_PAGE_SHIFT)
17 #define IFPGA_PAGE_MASK (~(IFPGA_PAGE_SIZE - 1))
18 #define IFPGA_PAGE_ALIGN(addr) (((addr) + IFPGA_PAGE_SIZE - 1)\
20 #define IFPGA_ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1))
22 #define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0)
23 #define PAGE_ALIGNED(addr) IS_ALIGNED((unsigned long)(addr), IFPGA_PAGE_SIZE)
25 #define readl(addr) opae_readl(addr)
26 #define readq(addr) opae_readq(addr)
27 #define writel(value, addr) opae_writel(value, addr)
28 #define writeq(value, addr) opae_writeq(value, addr)
30 #define malloc(size) opae_malloc(size)
31 #define zmalloc(size) opae_zmalloc(size)
32 #define free(size) opae_free(size)
35 * Wait register's _field to be changed to the given value (_expect's _field)
36 * by polling with given interval and timeout.
38 #define fpga_wait_register_field(_field, _expect, _reg_addr, _timeout, _invl)\
41 int ret = -ETIMEDOUT; \
42 typeof(_expect) value; \
43 for (; wait <= _timeout; wait += _invl) { \
44 value.csr = readq(_reg_addr); \
45 if (_expect._field == value._field) { \
54 #define __maybe_unused __rte_unused
56 #define UNUSED(x) (void)(x)
58 #endif /* _IFPGA_COMPAT_H_ */