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