LXR qemu/hw/rdma/rdma

   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 "qemu/error-report.h"
  21#include "sysemu/dma.h"
  22
  23#define rdma_error_report(fmt, ...) \
  24    error_report("%s: " fmt, "rdma", ## __VA_ARGS__)
  25#define rdma_warn_report(fmt, ...) \
  26    warn_report("%s: " fmt, "rdma", ## __VA_ARGS__)
  27#define rdma_info_report(fmt, ...) \
  28    info_report("%s: " fmt, "rdma", ## __VA_ARGS__)
  29
  30typedef struct RdmaProtectedGQueue {
  31    QemuMutex lock;
  32    GQueue *list;
  33} RdmaProtectedGQueue;
  34
  35typedef struct RdmaProtectedGSList {
  36    QemuMutex lock;
  37    GSList *list;
  38} RdmaProtectedGSList;
  39
  40void *rdma_pci_dma_map(PCIDevice *dev, dma_addr_t addr, dma_addr_t len);
  41void rdma_pci_dma_unmap(PCIDevice *dev, void *buffer, dma_addr_t len);
  42void rdma_protected_gqueue_init(RdmaProtectedGQueue *list);
  43void rdma_protected_gqueue_destroy(RdmaProtectedGQueue *list);
  44void rdma_protected_gqueue_append_int64(RdmaProtectedGQueue *list,
  45                                        int64_t value);
  46int64_t rdma_protected_gqueue_pop_int64(RdmaProtectedGQueue *list);
  47void rdma_protected_gslist_init(RdmaProtectedGSList *list);
  48void rdma_protected_gslist_destroy(RdmaProtectedGSList *list);
  49void rdma_protected_gslist_append_int32(RdmaProtectedGSList *list,
  50                                        int32_t value);
  51void rdma_protected_gslist_remove_int32(RdmaProtectedGSList *list,
  52                                        int32_t value);
  53
  54static inline void addrconf_addr_eui48(uint8_t *eui, const char *addr)
  55{
  56    memcpy(eui, addr, 3);
  57    eui[3] = 0xFF;
  58    eui[4] = 0xFE;
  59    memcpy(eui + 5, addr + 3, 3);
  60    eui[0] ^= 2;
  61}
  62
  63#endif
  64