numam-dpdk/drivers/bus/fslmc/qbman/include/compat.h
Nipun Gupta 88bde3f423 bus/fslmc: use DMB OSHST for synchronization before I/O
Outer Shareable Store (oshst) is sufficient for Data Memory
Barrier (dmb) when doing IO on the interface via QBMAN.

This will sync L3/DDR with the L1/L2 cached data.

Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
2022-01-20 16:24:08 +01:00

101 lines
2.7 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 2008-2016 Freescale Semiconductor, Inc.
* Copyright 2017,2021 NXP
*
*/
#ifndef HEADER_COMPAT_H
#define HEADER_COMPAT_H
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <malloc.h>
#include <unistd.h>
#include <linux/types.h>
#include <rte_atomic.h>
/* The following definitions are primarily to allow the single-source driver
* interfaces to be included by arbitrary program code. Ie. for interfaces that
* are also available in kernel-space, these definitions provide compatibility
* with certain attributes and types used in those interfaces.
*/
/* Required compiler attributes */
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
/* Required types */
typedef uint64_t dma_addr_t;
/* Debugging */
#define prflush(fmt, args...) \
do { \
printf(fmt, ##args); \
fflush(stdout); \
} while (0)
#define pr_crit(fmt, args...) prflush("CRIT:" fmt, ##args)
#define pr_err(fmt, args...) prflush("ERR:" fmt, ##args)
#define pr_warn(fmt, args...) prflush("WARN:" fmt, ##args)
#define pr_info(fmt, args...) prflush(fmt, ##args)
#ifdef RTE_LIBRTE_DPAA2_DEBUG_BUS
/* Trace the 3 different classes of read/write access to QBMan. #undef as
* required.
*/
#define QBMAN_CCSR_TRACE
#define QBMAN_CINH_TRACE
#define QBMAN_CENA_TRACE
#define QBMAN_CHECKING
#ifdef pr_debug
#undef pr_debug
#endif
#define pr_debug(fmt, args...) printf(fmt, ##args)
#define QBMAN_BUG_ON(c) \
do { \
static int warned_##__LINE__; \
if ((c) && !warned_##__LINE__) { \
pr_warn("(%s:%d)\n", __FILE__, __LINE__); \
warned_##__LINE__ = 1; \
} \
} while (0)
#else
#define QBMAN_BUG_ON(c) {}
#define pr_debug(fmt, args...) {}
#endif
/* Other miscellaneous interfaces our APIs depend on; */
#define lower_32_bits(x) ((uint32_t)(x))
#define upper_32_bits(x) ((uint32_t)(((x) >> 16) >> 16))
#define __iomem
#define __raw_readb(p) (*(const volatile unsigned char *)(p))
#define __raw_readl(p) (*(const volatile unsigned int *)(p))
#define __raw_writel(v, p) {*(volatile unsigned int *)(p) = (v); }
#define dma_wmb() rte_io_wmb()
#define atomic_t rte_atomic32_t
#define atomic_read(v) rte_atomic32_read(v)
#define atomic_set(v, i) rte_atomic32_set(v, i)
#define atomic_inc(v) rte_atomic32_add(v, 1)
#define atomic_dec(v) rte_atomic32_sub(v, 1)
#define atomic_inc_and_test(v) rte_atomic32_inc_and_test(v)
#define atomic_dec_and_test(v) rte_atomic32_dec_and_test(v)
#define atomic_inc_return(v) rte_atomic32_add_return(v, 1)
#define atomic_dec_return(v) rte_atomic32_sub_return(v, 1)
#define atomic_sub_and_test(i, v) (rte_atomic32_sub_return(v, i) == 0)
#endif /* HEADER_COMPAT_H */