ceph/src/spdk/test/unit/lib/vhost/test_vhost.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include "spdk/stdinc.h"
  35
  36 #include "CUnit/Basic.h"
  37 #include "spdk_cunit.h"
  38 #include "spdk_internal/mock.h"
  39 #include "spdk/thread.h"
  40
  41 #include "unit/lib/json_mock.c"
  42
  43 struct spdk_conf_section {
  44         struct spdk_conf_section *next;
  45         char *name;
  46         int num;
  47         struct spdk_conf_item *item;
  48 };
  49
  50 DEFINE_STUB(spdk_vhost_vq_get_desc, int, (struct spdk_vhost_dev *vdev,
  51                 struct spdk_vhost_virtqueue *vq, uint16_t req_idx, struct vring_desc **desc,
  52                 struct vring_desc **desc_table, uint32_t *desc_table_size), 0);
  53 DEFINE_STUB(spdk_vhost_vring_desc_is_wr, bool, (struct vring_desc *cur_desc), false);
  54 DEFINE_STUB(spdk_vhost_vring_desc_to_iov, int, (struct spdk_vhost_dev *vdev, struct iovec *iov,
  55                 uint16_t *iov_index, const struct vring_desc *desc), 0);
  56 DEFINE_STUB_V(spdk_vhost_vq_used_ring_enqueue, (struct spdk_vhost_dev *vdev,
  57                 struct spdk_vhost_virtqueue *vq, uint16_t id, uint32_t len));
  58 DEFINE_STUB(spdk_vhost_vring_desc_get_next, int, (struct vring_desc **desc,
  59                 struct vring_desc *desc_table, uint32_t desc_table_size), 0);
  60 DEFINE_STUB(spdk_vhost_vq_avail_ring_get, uint16_t, (struct spdk_vhost_virtqueue *vq,
  61                 uint16_t *reqs, uint16_t reqs_len), 0);
  62 DEFINE_STUB(spdk_vhost_vq_used_signal, int, (struct spdk_vhost_dev *vdev,
  63                 struct spdk_vhost_virtqueue *virtqueue), 0);
  64 DEFINE_STUB_V(spdk_vhost_dev_used_signal, (struct spdk_vhost_dev *vdev));
  65 DEFINE_STUB_V(spdk_vhost_dev_mem_register, (struct spdk_vhost_dev *vdev));
  66 DEFINE_STUB_P(spdk_vhost_dev_find, struct spdk_vhost_dev, (const char *ctrlr_name), {0});
  67 DEFINE_STUB_P(spdk_conf_first_section, struct spdk_conf_section, (struct spdk_conf *cp), {0});
  68 DEFINE_STUB(spdk_conf_section_match_prefix, bool, (const struct spdk_conf_section *sp,
  69                 const char *name_prefix), false);
  70 DEFINE_STUB_P(spdk_conf_next_section, struct spdk_conf_section, (struct spdk_conf_section *sp), {0});
  71 DEFINE_STUB_P(spdk_conf_section_get_name, const char, (const struct spdk_conf_section *sp), {0});
  72 DEFINE_STUB(spdk_conf_section_get_boolval, bool, (struct spdk_conf_section *sp, const char *key,
  73                 bool default_val), false);
  74 DEFINE_STUB_P(spdk_conf_section_get_nmval, char, (struct spdk_conf_section *sp, const char *key,
  75                 int idx1, int idx2), {0});
  76 DEFINE_STUB_V(spdk_vhost_dev_mem_unregister, (struct spdk_vhost_dev *vdev));
  77 DEFINE_STUB(spdk_vhost_event_send, int, (struct spdk_vhost_dev *vdev, spdk_vhost_event_fn cb_fn,
  78                 void *arg, unsigned timeout_sec, const char *errmsg), 0);
  79 DEFINE_STUB(spdk_env_get_socket_id, uint32_t, (uint32_t core), 0);
  80 DEFINE_STUB_V(spdk_vhost_dev_backend_event_done, (void *event_ctx, int response));
  81 DEFINE_STUB_V(spdk_vhost_lock, (void));
  82 DEFINE_STUB_V(spdk_vhost_unlock, (void));
  83 DEFINE_STUB(spdk_env_get_current_core, uint32_t, (void), 0);
  84 DEFINE_STUB_V(spdk_vhost_call_external_event, (const char *ctrlr_name, spdk_vhost_event_fn fn,
  85                 void *arg));
  86 DEFINE_STUB(spdk_vhost_vring_desc_has_next, bool, (struct vring_desc *cur_desc), false);
  87 DEFINE_STUB_VP(spdk_vhost_gpa_to_vva, (struct spdk_vhost_dev *vdev, uint64_t addr, uint64_t len),
  88 {0});
  89 DEFINE_STUB(spdk_scsi_dev_get_id, int, (const struct spdk_scsi_dev *dev), {0});
  90
  91 /* This sets spdk_vhost_dev_unregister to either to fail or success */
  92 DEFINE_STUB(spdk_vhost_dev_unregister_fail, bool, (void), false);
  93 /* This sets spdk_vhost_dev_register to either to fail or success */
  94 DEFINE_STUB(spdk_vhost_dev_register_fail, bool, (void), false);
  95
  96 static struct spdk_vhost_dev *g_spdk_vhost_device;
  97 int
  98 spdk_vhost_dev_register(struct spdk_vhost_dev *vdev, const char *name, const char *mask_str,
  99                         const struct spdk_vhost_dev_backend *backend)
 100 {
 101         if (spdk_vhost_dev_register_fail()) {
 102                 return -1;
 103         }
 104
 105         vdev->backend = backend;
 106         g_spdk_vhost_device = vdev;
 107         vdev->registered = true;
 108         return 0;
 109 }
 110
 111 int
 112 spdk_vhost_dev_unregister(struct spdk_vhost_dev *vdev)
 113 {
 114         if (spdk_vhost_dev_unregister_fail()) {
 115                 return -1;
 116         }
 117
 118         free(vdev->name);
 119         g_spdk_vhost_device = NULL;
 120         return 0;
 121 }