18dec40111
Remove spdk_ prefix from the name of internal APIs. Add single underscore as the prefix of the function name to the private functions if we see any conflict as a result of this change. Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> Change-Id: If0eabffbdb750db02866c1aa2b29b0c89fab1040 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1824 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
111 lines
3.2 KiB
C
111 lines
3.2 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (C) 2008-2012 Daisuke Aoyama <aoyama@peach.ne.jp>.
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "scsi_internal.h"
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struct spdk_scsi_globals g_scsi;
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int
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spdk_scsi_init(void)
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{
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int rc;
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rc = pthread_mutex_init(&g_scsi.mutex, NULL);
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if (rc != 0) {
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SPDK_ERRLOG("mutex_init() failed\n");
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return -1;
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}
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return 0;
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}
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void
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spdk_scsi_fini(void)
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{
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pthread_mutex_destroy(&g_scsi.mutex);
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}
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SPDK_TRACE_REGISTER_FN(scsi_trace, "scsi", TRACE_GROUP_SCSI)
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{
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spdk_trace_register_owner(OWNER_SCSI_DEV, 'd');
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spdk_trace_register_object(OBJECT_SCSI_TASK, 't');
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spdk_trace_register_description("SCSI_TASK_DONE", TRACE_SCSI_TASK_DONE,
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OWNER_SCSI_DEV, OBJECT_SCSI_TASK, 0, 0, "");
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spdk_trace_register_description("SCSI_TASK_START", TRACE_SCSI_TASK_START,
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OWNER_SCSI_DEV, OBJECT_SCSI_TASK, 0, 0, "");
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}
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uint64_t
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spdk_scsi_lun_id_int_to_fmt(int lun_id)
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{
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uint64_t fmt_lun, method;
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if (SPDK_SCSI_DEV_MAX_LUN <= 0x0100) {
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/* below 256 */
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method = 0x00U;
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fmt_lun = (method & 0x03U) << 62;
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fmt_lun |= ((uint64_t)lun_id & 0x00ffU) << 48;
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} else if (SPDK_SCSI_DEV_MAX_LUN <= 0x4000) {
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/* below 16384 */
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method = 0x01U;
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fmt_lun = (method & 0x03U) << 62;
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fmt_lun |= ((uint64_t)lun_id & 0x3fffU) << 48;
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} else {
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/* XXX */
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fmt_lun = 0;
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}
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return fmt_lun;
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}
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int
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spdk_scsi_lun_id_fmt_to_int(uint64_t fmt_lun)
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{
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uint64_t method;
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int lun_i;
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method = (fmt_lun >> 62) & 0x03U;
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fmt_lun = fmt_lun >> 48;
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if (method == 0x00U) {
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lun_i = (int)(fmt_lun & 0x00ffU);
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} else if (method == 0x01U) {
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lun_i = (int)(fmt_lun & 0x3fffU);
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} else {
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lun_i = 0xffffU;
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}
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return lun_i;
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}
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SPDK_LOG_REGISTER_COMPONENT("scsi", SPDK_LOG_SCSI)
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