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 "hw/pci/pci.h"
  22#include "sysemu/dma.h"
  23
  24#define rdma_error_report(fmt, ...) \
  25    error_report("%s: " fmt, "rdma", ## __VA_ARGS__)
  26#define rdma_warn_report(fmt, ...) \
  27    warn_report("%s: " fmt, "rdma", ## __VA_ARGS__)
  28#define rdma_info_report(fmt, ...) \
  29    info_report("%s: " fmt, "rdma", ## __VA_ARGS__)
  30
  31typedef struct RdmaProtectedGQueue {
  32    QemuMutex lock;
  33    GQueue *list;
  34} RdmaProtectedGQueue;
  35
  36typedef struct RdmaProtectedGSList {
  37    QemuMutex lock;
  38    GSList *list;
  39} RdmaProtectedGSList;
  40
  41void *rdma_pci_dma_map(PCIDevice *dev, dma_addr_t addr, dma_addr_t plen);
  42void rdma_pci_dma_unmap(PCIDevice *dev, void *buffer, dma_addr_t len);
  43void rdma_protected_gqueue_init(RdmaProtectedGQueue *list);
  44void rdma_protected_gqueue_destroy(RdmaProtectedGQueue *list);
  45void rdma_protected_gqueue_append_int64(RdmaProtectedGQueue *list,
  46                                        int64_t value);
  47int64_t rdma_protected_gqueue_pop_int64(RdmaProtectedGQueue *list);
  48void rdma_protected_gslist_init(RdmaProtectedGSList *list);
  49void rdma_protected_gslist_destroy(RdmaProtectedGSList *list);
  50void rdma_protected_gslist_append_int32(RdmaProtectedGSList *list,
  51                                        int32_t value);
  52void rdma_protected_gslist_remove_int32(RdmaProtectedGSList *list,
  53                                        int32_t value);
  54
  55static inline void addrconf_addr_eui48(uint8_t *eui, const char *addr)
  56{
  57    memcpy(eui, addr, 3);
  58    eui[3] = 0xFF;
  59    eui[4] = 0xFE;
  60    memcpy(eui + 5, addr + 3, 3);
  61    eui[0] ^= 2;
  62}
  63
  64#endif
  65