73c95f5476
Move claimed flag to struct spdk_scsi_lun and remove RPC call that allow SCSI LUN to be deleted by user. Change-Id: I0fe57d33ab017816ab4799bce259807735e0c783 Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
139 lines
4.5 KiB
C
139 lines
4.5 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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#ifndef SPDK_SCSI_INTERNAL_H
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#define SPDK_SCSI_INTERNAL_H
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#include <assert.h>
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#include <ctype.h>
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#include <errno.h>
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#include <inttypes.h>
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#include <pthread.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <strings.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/uio.h>
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#include "spdk/bdev.h"
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#include "spdk/scsi.h"
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#include "spdk/scsi_spec.h"
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#include "spdk/trace.h"
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#include "spdk_internal/log.h"
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/**
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* Macro to return the minimum of two numbers
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*/
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#define SPDK_MIN(a, b) ({ \
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typeof (a) _a = (a); \
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typeof (b) _b = (b); \
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_a < _b ? _a : _b; \
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})
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/**
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* Macro to return the maximum of two numbers
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*/
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#define SPDK_MAX(a, b) ({ \
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typeof (a) _a = (a); \
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typeof (b) _b = (b); \
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_a > _b ? _a : _b; \
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})
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enum {
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SPDK_SCSI_TASK_UNKNOWN = -1,
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SPDK_SCSI_TASK_COMPLETE,
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SPDK_SCSI_TASK_PENDING,
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};
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struct spdk_lun_db_entry {
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struct spdk_scsi_lun *lun;
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struct spdk_lun_db_entry *next;
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};
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extern struct spdk_lun_db_entry *spdk_scsi_lun_list_head;
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/* This typedef exists to work around an astyle 2.05 bug.
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* Remove it when astyle is fixed.
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*/
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typedef struct spdk_scsi_lun _spdk_scsi_lun;
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_spdk_scsi_lun *spdk_scsi_lun_construct(const char *name, struct spdk_bdev *bdev);
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int spdk_scsi_lun_destruct(struct spdk_scsi_lun *lun);
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void spdk_scsi_lun_clear_all(struct spdk_scsi_lun *lun);
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int spdk_scsi_lun_append_task(struct spdk_scsi_lun *lun, struct spdk_scsi_task *task);
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void spdk_scsi_lun_execute_tasks(struct spdk_scsi_lun *lun);
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int spdk_scsi_lun_task_mgmt_execute(struct spdk_scsi_task *task);
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void spdk_scsi_lun_complete_task(struct spdk_scsi_lun *lun, struct spdk_scsi_task *task);
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int spdk_scsi_lun_claim(struct spdk_scsi_lun *lun);
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int spdk_scsi_lun_unclaim(struct spdk_scsi_lun *lun);
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int spdk_scsi_lun_delete(const char *lun_name);
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int spdk_scsi_lun_allocate_io_channel(struct spdk_scsi_lun *lun);
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void spdk_scsi_lun_free_io_channel(struct spdk_scsi_lun *lun);
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int spdk_scsi_lun_db_add(struct spdk_scsi_lun *lun);
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int spdk_scsi_lun_db_delete(struct spdk_scsi_lun *lun);
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struct spdk_scsi_lun *spdk_lun_db_get_lun(const char *lun_name);
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struct spdk_scsi_dev *spdk_scsi_dev_get_list(void);
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int spdk_bdev_scsi_execute(struct spdk_bdev *bdev, struct spdk_scsi_task *task);
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int spdk_bdev_scsi_reset(struct spdk_bdev *bdev, struct spdk_scsi_task *task);
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void spdk_scsi_nvme_translate(struct spdk_bdev_io *bdev_io, int *sc, int *sk, int *asc, int *ascq);
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struct spdk_scsi_parameters {
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uint32_t max_unmap_lba_count;
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uint32_t max_unmap_block_descriptor_count;
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uint32_t optimal_unmap_granularity;
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uint32_t unmap_granularity_alignment;
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uint32_t ugavalid;
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uint64_t max_write_same_length;
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};
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struct spdk_scsi_globals {
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pthread_mutex_t mutex;
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struct spdk_scsi_parameters scsi_params;
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};
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extern struct spdk_scsi_globals g_spdk_scsi;
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#endif /* SPDK_SCSI_INTERNAL_H */
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