c4b94d878b
After switch all management operations to asynhronus way, utlis connected with polling are no longer needed, this patch removes that code. Signed-off-by: Marcin Dziegielewski <marcin.dziegielewski@intel.com> Change-Id: Ia30e733c51089b1659f79c99d8cd711945a98fa0 Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/470353 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com> Reviewed-by: Vitaliy Mysak <vitaliy.mysak@intel.com>
137 lines
3.6 KiB
C
137 lines
3.6 KiB
C
/*-
|
|
* 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_wo] = "wo",
|
|
};
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
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.current_step = path;
|
|
vbdev->mngt_ctx.cb = cb;
|
|
vbdev->mngt_ctx.cb_arg = cb_arg;
|
|
|
|
(*vbdev->mngt_ctx.current_step)(vbdev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
vbdev_ocf_mngt_stop(struct vbdev_ocf *vbdev, vbdev_ocf_mngt_fn *rollback_path, int status)
|
|
{
|
|
if (status) {
|
|
vbdev->mngt_ctx.status = status;
|
|
}
|
|
|
|
if (vbdev->mngt_ctx.status && rollback_path) {
|
|
vbdev->mngt_ctx.poller_fn = NULL;
|
|
vbdev->mngt_ctx.current_step = rollback_path;
|
|
(*vbdev->mngt_ctx.current_step)(vbdev);
|
|
return;
|
|
}
|
|
|
|
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.current_step++;
|
|
if (*vbdev->mngt_ctx.current_step) {
|
|
(*vbdev->mngt_ctx.current_step)(vbdev);
|
|
return;
|
|
}
|
|
|
|
vbdev_ocf_mngt_stop(vbdev, NULL, 0);
|
|
}
|
|
|
|
int
|
|
vbdev_ocf_mngt_get_status(struct vbdev_ocf *vbdev)
|
|
{
|
|
return vbdev->mngt_ctx.status;
|
|
}
|