LXR dpdk/drivers/bus/fslmc/mc/fsl_mc

   1/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
   2 *
   3 * Copyright 2013-2015 Freescale Semiconductor Inc.
   4 * Copyright 2017 NXP
   5 *
   6 */
   7#ifndef _FSL_MC_SYS_H
   8#define _FSL_MC_SYS_H
   9
  10#ifdef __linux_driver__
  11
  12#include <linux/errno.h>
  13#include <asm/io.h>
  14#include <linux/slab.h>
  15
  16struct fsl_mc_io {
  17        void *regs;
  18};
  19
  20#ifndef ENOTSUP
  21#define ENOTSUP         95
  22#endif
  23
  24#define ioread64(_p)        readq(_p)
  25#define iowrite64(_v, _p)   writeq(_v, _p)
  26
  27#else /* __linux_driver__ */
  28
  29#include <stdio.h>
  30#include <stdint.h>
  31#include <errno.h>
  32#include <sys/uio.h>
  33#include <linux/byteorder/little_endian.h>
  34
  35#include <rte_atomic.h>
  36
  37#define __iormb()       rte_io_rmb()
  38#define __iowmb()       rte_io_wmb()
  39#define __arch_getq(a)          (*(volatile uint64_t *)(a))
  40#define __arch_putq(v, a)       (*(volatile uint64_t *)(a) = (v))
  41#define __arch_putq32(v, a)     (*(volatile uint32_t *)(a) = (v))
  42#define readq(c) \
  43        ({ uint64_t __v = __arch_getq(c); __iormb(); __v; })
  44#define writeq(v, c) \
  45        ({ uint64_t __v = v; __iowmb(); __arch_putq(__v, c); __v; })
  46#define writeq32(v, c) \
  47        ({ uint32_t __v = v; __iowmb(); __arch_putq32(__v, c); __v; })
  48#define ioread64(_p)            readq(_p)
  49#define iowrite64(_v, _p)       writeq(_v, _p)
  50#define iowrite32(_v, _p)       writeq32(_v, _p)
  51#define __iomem
  52
  53/*GPP is supposed to use MC commands with low priority*/
  54#define CMD_PRI_LOW          0 /*!< Low Priority command indication */
  55
  56struct fsl_mc_io {
  57        void *regs;
  58};
  59
  60#endif /* __linux_driver__ */
  61
  62#endif /* _FSL_MC_SYS_H */
  63