LXR dpdk/drivers/raw/ifpga/base/osdep_raw/osdep

   1/* SPDX-License-Identifier: BSD-3-Clause
   2 * Copyright(c) 2010-2018 Intel Corporation
   3 */
   4
   5#ifndef _OSDEP_RAW_GENERIC_H
   6#define _OSDEP_RAW_GENERIC_H
   7
   8#define compiler_barrier() (asm volatile ("" : : : "memory"))
   9
  10#define io_wmb() compiler_barrier()
  11#define io_rmb() compiler_barrier()
  12
  13static inline uint8_t opae_readb(const volatile void *addr)
  14{
  15        uint8_t val;
  16
  17        val = *(const volatile uint8_t *)addr;
  18        io_rmb();
  19        return val;
  20}
  21
  22static inline uint16_t opae_readw(const volatile void *addr)
  23{
  24        uint16_t val;
  25
  26        val = *(const volatile uint16_t *)addr;
  27        io_rmb();
  28        return val;
  29}
  30
  31static inline uint32_t opae_readl(const volatile void *addr)
  32{
  33        uint32_t val;
  34
  35        val = *(const volatile uint32_t *)addr;
  36        io_rmb();
  37        return val;
  38}
  39
  40static inline uint64_t opae_readq(const volatile void *addr)
  41{
  42        uint64_t val;
  43
  44        val = *(const volatile uint64_t *)addr;
  45        io_rmb();
  46        return val;
  47}
  48
  49static inline void opae_writeb(uint8_t value, volatile void *addr)
  50{
  51        io_wmb();
  52        *(volatile uint8_t *)addr = value;
  53}
  54
  55static inline void opae_writew(uint16_t value, volatile void *addr)
  56{
  57        io_wmb();
  58        *(volatile uint16_t *)addr = value;
  59}
  60
  61static inline void opae_writel(uint32_t value, volatile void *addr)
  62{
  63        io_wmb();
  64        *(volatile uint32_t *)addr = value;
  65}
  66
  67static inline void opae_writeq(uint64_t value, volatile void *addr)
  68{
  69        io_wmb();
  70        *(volatile uint64_t *)addr = value;
  71}
  72
  73#define opae_free(addr) free(addr)
  74#define opae_memcpy(a, b, c) memcpy((a), (b), (c))
  75
  76#endif
  77