update source to Ceph Pacific 16.2.2

[ceph.git] / ceph / src / spdk / lib / bdev / ocf / utils.c

diff --git a/ceph/src/spdk/lib/bdev/ocf/utils.c b/ceph/src/spdk/lib/bdev/ocf/utils.c
deleted file mode 100644 (file)
index 581f3b4..0000000
--- a/ceph/src/spdk/lib/bdev/ocf/utils.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright (c) Intel Corporation.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "spdk/stdinc.h"
-
-#include "utils.h"
-#include "vbdev_ocf.h"
-
-static char *cache_modes[ocf_cache_mode_max] = {
-       [ocf_cache_mode_wt] = "wt",
-       [ocf_cache_mode_wb] = "wb",
-       [ocf_cache_mode_wa] = "wa",
-       [ocf_cache_mode_pt] = "pt",
-       [ocf_cache_mode_wi] = "wi"
-};
-
-ocf_cache_mode_t
-ocf_get_cache_mode(const char *cache_mode)
-{
-       int i;
-
-       for (i = 0; i < ocf_cache_mode_max; i++) {
-               if (strcmp(cache_mode, cache_modes[i]) == 0) {
-                       return i;
-               }
-       }
-
-       return ocf_cache_mode_none;
-}
-
-const char *
-ocf_get_cache_modename(ocf_cache_mode_t mode)
-{
-       if (mode > ocf_cache_mode_none && mode < ocf_cache_mode_max) {
-               return cache_modes[mode];
-       } else {
-               return NULL;
-       }
-}
-
-static int
-mngt_poll_fn(void *opaque)
-{
-       struct vbdev_ocf *vbdev = opaque;
-
-       if (vbdev->mngt_ctx.poller_fn) {
-               if (vbdev->mngt_ctx.timeout_ts &&
-                   spdk_get_ticks() >= vbdev->mngt_ctx.timeout_ts) {
-                       vbdev_ocf_mngt_continue(vbdev, -ETIMEDOUT);
-               } else {
-                       vbdev->mngt_ctx.poller_fn(vbdev);
-               }
-       }
-
-       return 0;
-}
-
-int
-vbdev_ocf_mngt_start(struct vbdev_ocf *vbdev, vbdev_ocf_mngt_fn *path,
-                    vbdev_ocf_mngt_callback cb, void *cb_arg)
-{
-       if (vbdev->mngt_ctx.current_step) {
-               return -EBUSY;
-       }
-
-       memset(&vbdev->mngt_ctx, 0, sizeof(vbdev->mngt_ctx));
-
-       vbdev->mngt_ctx.poller = spdk_poller_register(mngt_poll_fn, vbdev, 200);
-       if (vbdev->mngt_ctx.poller == NULL) {
-               return -ENOMEM;
-       }
-
-       vbdev->mngt_ctx.current_step = path;
-       vbdev->mngt_ctx.cb = cb;
-       vbdev->mngt_ctx.cb_arg = cb_arg;
-
-       (*vbdev->mngt_ctx.current_step)(vbdev);
-
-       return 0;
-}
-
-
-static void
-vbdev_ocf_mngt_poll_set_timeout(struct vbdev_ocf *vbdev, uint64_t millisec)
-{
-       uint64_t ticks;
-
-       ticks = millisec * spdk_get_ticks_hz() / 1000;
-       vbdev->mngt_ctx.timeout_ts = spdk_get_ticks() + ticks;
-}
-
-void
-vbdev_ocf_mngt_poll(struct vbdev_ocf *vbdev, vbdev_ocf_mngt_fn fn)
-{
-       assert(vbdev->mngt_ctx.poller != NULL);
-       vbdev->mngt_ctx.poller_fn = fn;
-       vbdev_ocf_mngt_poll_set_timeout(vbdev, 5000);
-}
-
-void
-vbdev_ocf_mngt_stop(struct vbdev_ocf *vbdev)
-{
-       spdk_poller_unregister(&vbdev->mngt_ctx.poller);
-
-       if (vbdev->mngt_ctx.cb) {
-               vbdev->mngt_ctx.cb(vbdev->mngt_ctx.status, vbdev, vbdev->mngt_ctx.cb_arg);
-       }
-
-       memset(&vbdev->mngt_ctx, 0, sizeof(vbdev->mngt_ctx));
-}
-
-void
-vbdev_ocf_mngt_continue(struct vbdev_ocf *vbdev, int status)
-{
-       if (vbdev->mngt_ctx.current_step == NULL) {
-               return;
-       }
-
-       assert((*vbdev->mngt_ctx.current_step) != NULL);
-
-       vbdev->mngt_ctx.status = status;
-       vbdev->mngt_ctx.poller_fn = NULL;
-
-       vbdev->mngt_ctx.current_step++;
-       if (*vbdev->mngt_ctx.current_step) {
-               (*vbdev->mngt_ctx.current_step)(vbdev);
-               return;
-       }
-
-       vbdev_ocf_mngt_stop(vbdev);
-}