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      1 /*******************************************************************************
      2 * Copyright (C) 2018 Cadence Design Systems, Inc.
      3 *
      4 * Permission is hereby granted, free of charge, to any person obtaining
      5 * a copy of this software and associated documentation files (the
      6 * "Software"), to use this Software with Cadence processor cores only and
      7 * not with any other processors and platforms, subject to
      8 * the following conditions:
      9 *
     10 * The above copyright notice and this permission notice shall be included
     11 * in all copies or substantial portions of the Software.
     12 *
     13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     14 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     15 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
     16 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
     17 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     18 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     19 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     20 
     21 ******************************************************************************/
     22 
     23 #ifndef __XF_H
     24 #error "xf-types.h mustn't be included directly"
     25 #endif
     26 
     27 /*******************************************************************************
     28  * Standard includes
     29  ******************************************************************************/
     30 
     31 #ifndef _GNU_SOURCE
     32 #define _GNU_SOURCE
     33 #endif
     34 
     35 #include <stdarg.h>
     36 #include <stdint.h>
     37 #include <stdlib.h>
     38 #include <string.h>
     39 #include <stdio.h>
     40 #include <assert.h>
     41 #include <errno.h>
     42 
     43 #include <unistd.h>
     44 #include <fcntl.h>
     45 #include <pthread.h>
     46 #include <signal.h>
     47 #include <limits.h>
     48 #include <sys/mman.h>
     49 #include <sys/ioctl.h>
     50 #include <sys/time.h>
     51 
     52 /*******************************************************************************
     53  * Primitive types
     54  ******************************************************************************/
     55 
     56 typedef uint32_t        u32;
     57 typedef int32_t         s32;
     58 typedef uint16_t        u16;
     59 typedef int16_t         s16;
     60 typedef uint8_t         u8;
     61 typedef int8_t          s8;
     62 
     63 /*******************************************************************************
     64  * Macros definitions
     65  ******************************************************************************/
     66 
     67 /* ...NULL-address specification */
     68 #define XF_PROXY_NULL           (~0U)
     69 
     70 /* ...invalid proxy address */
     71 #define XF_PROXY_BADADDR        XF_CFG_REMOTE_IPC_POOL_SIZE
     72 
     73 /*******************************************************************************
     74  * Auxiliary helpers
     75  ******************************************************************************/
     76 
     77 /* ...next power-of-two calculation */
     78 #define xf_next_power_of_two(v)     __xf_power_of_two_1((v) - 1)
     79 #define __xf_power_of_two_1(v)      __xf_power_of_two_2((v) | ((v) >> 1))
     80 #define __xf_power_of_two_2(v)      __xf_power_of_two_3((v) | ((v) >> 2))
     81 #define __xf_power_of_two_3(v)      __xf_power_of_two_4((v) | ((v) >> 4))
     82 #define __xf_power_of_two_4(v)      __xf_power_of_two_5((v) | ((v) >> 8))
     83 #define __xf_power_of_two_5(v)      __xf_power_of_two_6((v) | ((v) >> 16))
     84 #define __xf_power_of_two_6(v)      ((v) + 1)
     85 
     86 /* ...check if non-zero value is a power-of-two */
     87 #define xf_is_power_of_two(v)       (((v) & ((v) - 1)) == 0)
     88 
     89