hw/rdma/rdma_utils.h

   1 /*
   2  * RDMA device: Debug utilities
   3  *
   4  * Copyright (C) 2018 Oracle
   5  * Copyright (C) 2018 Red Hat Inc
   6  *
   7  *
   8  * Authors:
   9  *     Yuval Shaia <yuval.shaia@oracle.com>
  10  *     Marcel Apfelbaum <marcel@redhat.com>
  11  *
  12  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  13  * See the COPYING file in the top-level directory.
  14  *
  15  */
  16
  17 #ifndef RDMA_UTILS_H
  18 #define RDMA_UTILS_H
  19
  20 #include "hw/pci/pci.h"
  21 #include "sysemu/dma.h"
  22 #include "stdio.h"
  23
  24 #define pr_info(fmt, ...) \
  25     fprintf(stdout, "%s: %-20s (%3d): " fmt, "rdma",  __func__, __LINE__,\
  26            ## __VA_ARGS__)
  27
  28 #define pr_err(fmt, ...) \
  29     fprintf(stderr, "%s: Error at %-20s (%3d): " fmt, "rdma", __func__, \
  30         __LINE__, ## __VA_ARGS__)
  31
  32 #ifdef PVRDMA_DEBUG
  33 extern unsigned long pr_dbg_cnt;
  34
  35 #define init_pr_dbg(void) \
  36 { \
  37     pr_dbg_cnt = 0; \
  38 }
  39
  40 #define pr_dbg(fmt, ...) \
  41     fprintf(stdout, "%lx %ld: %-20s (%3d): " fmt, pthread_self(), pr_dbg_cnt++, \
  42             __func__, __LINE__, ## __VA_ARGS__)
  43
  44 #define pr_dbg_buf(title, buf, len) \
  45 { \
  46     int i; \
  47     char *b = g_malloc0(len * 3 + 1); \
  48     char b1[4]; \
  49     for (i = 0; i < len; i++) { \
  50         sprintf(b1, "%.2X ", buf[i] & 0x000000FF); \
  51         strcat(b, b1); \
  52     } \
  53     pr_dbg("%s (%d): %s\n", title, len, b); \
  54     g_free(b); \
  55 }
  56
  57 #else
  58 #define init_pr_dbg(void)
  59 #define pr_dbg(fmt, ...)
  60 #define pr_dbg_buf(title, buf, len)
  61 #endif
  62
  63 void *rdma_pci_dma_map(PCIDevice *dev, dma_addr_t addr, dma_addr_t plen);
  64 void rdma_pci_dma_unmap(PCIDevice *dev, void *buffer, dma_addr_t len);
  65
  66 static inline void addrconf_addr_eui48(uint8_t *eui, const char *addr)
  67 {
  68     memcpy(eui, addr, 3);
  69     eui[3] = 0xFF;
  70     eui[4] = 0xFE;
  71     memcpy(eui + 5, addr + 3, 3);
  72     eui[0] ^= 2;
  73 }
  74
  75 #endif