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 "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
  30 typedef struct RdmaProtectedGQueue {
  31     QemuMutex lock;
  32     GQueue *list;
  33 } RdmaProtectedGQueue;
  34
  35 typedef struct RdmaProtectedGSList {
  36     QemuMutex lock;
  37     GSList *list;
  38 } RdmaProtectedGSList;
  39
  40 void *rdma_pci_dma_map(PCIDevice *dev, dma_addr_t addr, dma_addr_t len);
  41 void rdma_pci_dma_unmap(PCIDevice *dev, void *buffer, dma_addr_t len);
  42 void rdma_protected_gqueue_init(RdmaProtectedGQueue *list);
  43 void rdma_protected_gqueue_destroy(RdmaProtectedGQueue *list);
  44 void rdma_protected_gqueue_append_int64(RdmaProtectedGQueue *list,
  45                                         int64_t value);
  46 int64_t rdma_protected_gqueue_pop_int64(RdmaProtectedGQueue *list);
  47 void rdma_protected_gslist_init(RdmaProtectedGSList *list);
  48 void rdma_protected_gslist_destroy(RdmaProtectedGSList *list);
  49 void rdma_protected_gslist_append_int32(RdmaProtectedGSList *list,
  50                                         int32_t value);
  51 void rdma_protected_gslist_remove_int32(RdmaProtectedGSList *list,
  52                                         int32_t value);
  53
  54 static 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