864 lines
20 KiB
C
864 lines
20 KiB
C
/*
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Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#if defined(WIN32)
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#include <winsock2.h>
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#include "win32/win32_compat.h"
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#else
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#include <poll.h>
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#endif
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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 "iscsi.h"
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#include "iscsi-private.h"
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#include "scsi-lowlevel.h"
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struct iscsi_sync_state {
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int finished;
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int status;
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struct scsi_task *task;
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};
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static void
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event_loop(struct iscsi_context *iscsi, struct iscsi_sync_state *state)
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{
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struct pollfd pfd;
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int ret;
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while (state->finished == 0) {
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pfd.fd = iscsi_get_fd(iscsi);
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pfd.events = iscsi_which_events(iscsi);
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if ((ret = poll(&pfd, 1, 1000)) < 0) {
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iscsi_set_error(iscsi, "Poll failed");
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return;
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}
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if (ret == 0) {
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/* poll timedout, try again */
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continue;
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}
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if (iscsi_service(iscsi, pfd.revents) < 0) {
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/* if we are reconnecting we just try and try again */
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if (iscsi->is_reconnecting) {
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continue;
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}
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iscsi_set_error(iscsi,
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"iscsi_service failed with : %s",
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iscsi_get_error(iscsi));
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return;
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}
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}
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}
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/*
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* Synchronous iSCSI commands
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*/
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static void
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iscsi_sync_cb(struct iscsi_context *iscsi _U_, int status,
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void *command_data _U_, void *private_data)
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{
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struct iscsi_sync_state *state = private_data;
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if (state != NULL) {
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state->status = status;
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state->finished = 1;
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}
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}
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int
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iscsi_connect_sync(struct iscsi_context *iscsi, const char *portal)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_connect_async(iscsi, portal,
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iscsi_sync_cb, &state) != 0) {
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iscsi_set_error(iscsi,
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"Failed to start connect() %s",
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iscsi_get_error(iscsi));
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return -1;
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}
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event_loop(iscsi, &state);
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/* clear connect_data so it doesnt point to our stack */
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iscsi->connect_data = NULL;
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return state.status;
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}
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int
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iscsi_full_connect_sync(struct iscsi_context *iscsi,
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const char *portal, int lun)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_full_connect_async(iscsi, portal, lun,
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iscsi_sync_cb, &state) != 0) {
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iscsi_set_error(iscsi,
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"Failed to start full connect %s",
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iscsi_get_error(iscsi));
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return -1;
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}
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event_loop(iscsi, &state);
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return state.status;
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}
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int iscsi_login_sync(struct iscsi_context *iscsi)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_login_async(iscsi, iscsi_sync_cb, &state) != 0) {
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iscsi_set_error(iscsi, "Failed to login. %s",
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iscsi_get_error(iscsi));
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return -1;
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}
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event_loop(iscsi, &state);
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return state.status;
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}
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int iscsi_logout_sync(struct iscsi_context *iscsi)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_logout_async(iscsi, iscsi_sync_cb, &state) != 0) {
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iscsi_set_error(iscsi, "Failed to start logout() %s",
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iscsi_get_error(iscsi));
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return -1;
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}
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event_loop(iscsi, &state);
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return state.status;
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}
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/*
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* Synchronous SCSI commands
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*/
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static void
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scsi_sync_cb(struct iscsi_context *iscsi _U_, int status, void *command_data,
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void *private_data)
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{
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struct scsi_task *task = command_data;
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struct iscsi_sync_state *state = private_data;
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task->status = status;
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state->status = status;
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state->finished = 1;
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state->task = task;
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}
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struct scsi_task *
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iscsi_reportluns_sync(struct iscsi_context *iscsi, int report_type,
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int alloc_len)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_reportluns_task(iscsi, report_type, alloc_len,
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scsi_sync_cb, &state) == NULL) {
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iscsi_set_error(iscsi, "Failed to send ReportLuns command");
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return NULL;
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}
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event_loop(iscsi, &state);
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return state.task;
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}
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struct scsi_task *
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iscsi_testunitready_sync(struct iscsi_context *iscsi, int lun)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_testunitready_task(iscsi, lun,
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scsi_sync_cb, &state) == NULL) {
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iscsi_set_error(iscsi,
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"Failed to send TestUnitReady command");
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return NULL;
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}
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event_loop(iscsi, &state);
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return state.task;
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}
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struct scsi_task *
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iscsi_inquiry_sync(struct iscsi_context *iscsi, int lun, int evpd,
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int page_code, int maxsize)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_inquiry_task(iscsi, lun, evpd, page_code, maxsize,
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scsi_sync_cb, &state) == NULL) {
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iscsi_set_error(iscsi, "Failed to send Inquiry command");
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return NULL;
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}
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event_loop(iscsi, &state);
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return state.task;
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}
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struct scsi_task *
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iscsi_read6_sync(struct iscsi_context *iscsi, int lun, uint32_t lba,
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uint32_t datalen, int blocksize)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_read6_task(iscsi, lun, lba, datalen, blocksize,
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scsi_sync_cb, &state) == NULL) {
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iscsi_set_error(iscsi,
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"Failed to send Read6 command");
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return NULL;
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}
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event_loop(iscsi, &state);
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return state.task;
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}
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struct scsi_task *
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iscsi_read10_sync(struct iscsi_context *iscsi, int lun, uint32_t lba,
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uint32_t datalen, int blocksize,
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int rdprotect, int dpo, int fua, int fua_nv, int group_number)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_read10_task(iscsi, lun, lba, datalen, blocksize, rdprotect,
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dpo, fua, fua_nv, group_number,
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scsi_sync_cb, &state) == NULL) {
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iscsi_set_error(iscsi,
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"Failed to send Read10 command");
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return NULL;
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}
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event_loop(iscsi, &state);
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return state.task;
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}
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struct scsi_task *
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iscsi_read12_sync(struct iscsi_context *iscsi, int lun, uint32_t lba,
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uint32_t datalen, int blocksize,
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int rdprotect, int dpo, int fua, int fua_nv, int group_number)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_read12_task(iscsi, lun, lba, datalen, blocksize, rdprotect,
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dpo, fua, fua_nv, group_number,
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scsi_sync_cb, &state) == NULL) {
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iscsi_set_error(iscsi,
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"Failed to send Read12 command");
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return NULL;
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}
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event_loop(iscsi, &state);
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return state.task;
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}
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struct scsi_task *
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iscsi_read16_sync(struct iscsi_context *iscsi, int lun, uint64_t lba,
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uint32_t datalen, int blocksize,
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int rdprotect, int dpo, int fua, int fua_nv, int group_number)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_read16_task(iscsi, lun, lba, datalen, blocksize, rdprotect,
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dpo, fua, fua_nv, group_number,
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scsi_sync_cb, &state) == NULL) {
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iscsi_set_error(iscsi,
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"Failed to send Read16 command");
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return NULL;
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}
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event_loop(iscsi, &state);
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return state.task;
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}
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struct scsi_task *
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iscsi_readcapacity10_sync(struct iscsi_context *iscsi, int lun, int lba,
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int pmi)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_readcapacity10_task(iscsi, lun, lba, pmi,
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scsi_sync_cb, &state) == NULL) {
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iscsi_set_error(iscsi,
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"Failed to send ReadCapacity10 command");
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return NULL;
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}
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event_loop(iscsi, &state);
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return state.task;
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}
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struct scsi_task *
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iscsi_readcapacity16_sync(struct iscsi_context *iscsi, int lun)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_readcapacity16_task(iscsi, lun,
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scsi_sync_cb, &state) == NULL) {
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iscsi_set_error(iscsi,
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"Failed to send ReadCapacity16 command");
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return NULL;
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}
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event_loop(iscsi, &state);
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return state.task;
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}
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struct scsi_task *
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iscsi_get_lba_status_sync(struct iscsi_context *iscsi, int lun, uint64_t starting_lba, uint32_t alloc_len)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_get_lba_status_task(iscsi, lun, starting_lba, alloc_len,
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scsi_sync_cb, &state) == NULL) {
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iscsi_set_error(iscsi,
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"Failed to send GetLbaStatus command");
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return NULL;
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}
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event_loop(iscsi, &state);
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return state.task;
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}
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struct scsi_task *
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iscsi_synchronizecache10_sync(struct iscsi_context *iscsi, int lun, int lba,
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int num_blocks, int syncnv, int immed)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_synchronizecache10_task(iscsi, lun, lba, num_blocks,
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syncnv, immed,
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scsi_sync_cb, &state) == NULL) {
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iscsi_set_error(iscsi,
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"Failed to send SynchronizeCache10 command");
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return NULL;
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}
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event_loop(iscsi, &state);
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return state.task;
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}
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struct scsi_task *
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iscsi_startstopunit_sync(struct iscsi_context *iscsi, int lun,
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int immed, int pcm, int pc,
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int no_flush, int loej, int start)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_startstopunit_task(iscsi, lun, immed, pcm, pc,
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no_flush, loej, start,
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scsi_sync_cb, &state) == NULL) {
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iscsi_set_error(iscsi,
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"Failed to send StartStopUnit command");
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return NULL;
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}
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event_loop(iscsi, &state);
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return state.task;
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}
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struct scsi_task *
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iscsi_preventallow_sync(struct iscsi_context *iscsi, int lun,
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int prevent)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_preventallow_task(iscsi, lun, prevent,
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scsi_sync_cb, &state) == NULL) {
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iscsi_set_error(iscsi,
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"Failed to send PreventAllowMediumRemoval command");
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return NULL;
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}
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event_loop(iscsi, &state);
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return state.task;
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}
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struct scsi_task *
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iscsi_synchronizecache16_sync(struct iscsi_context *iscsi, int lun, uint64_t lba,
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uint32_t num_blocks, int syncnv, int immed)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_synchronizecache16_task(iscsi, lun, lba, num_blocks,
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syncnv, immed,
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scsi_sync_cb, &state) == NULL) {
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iscsi_set_error(iscsi,
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"Failed to send SynchronizeCache16 command");
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return NULL;
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}
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event_loop(iscsi, &state);
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return state.task;
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}
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struct scsi_task *
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iscsi_prefetch10_sync(struct iscsi_context *iscsi, int lun, uint32_t lba,
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int num_blocks, int immed, int group)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_prefetch10_task(iscsi, lun, lba, num_blocks,
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immed, group,
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scsi_sync_cb, &state) == NULL) {
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iscsi_set_error(iscsi,
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"Failed to send PreFetch10 command");
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return NULL;
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}
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event_loop(iscsi, &state);
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return state.task;
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}
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struct scsi_task *
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iscsi_prefetch16_sync(struct iscsi_context *iscsi, int lun, uint64_t lba,
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int num_blocks, int immed, int group)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_prefetch16_task(iscsi, lun, lba, num_blocks,
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immed, group,
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scsi_sync_cb, &state) == NULL) {
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iscsi_set_error(iscsi,
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"Failed to send PreFetch16 command");
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return NULL;
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}
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event_loop(iscsi, &state);
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return state.task;
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}
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struct scsi_task *
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iscsi_write10_sync(struct iscsi_context *iscsi, int lun, uint32_t lba,
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unsigned char *data, uint32_t datalen, int blocksize,
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int wrprotect, int dpo, int fua, int fua_nv, int group_number)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_write10_task(iscsi, lun, lba, data, datalen, blocksize,
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wrprotect, dpo, fua, fua_nv, group_number,
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scsi_sync_cb, &state) == NULL) {
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iscsi_set_error(iscsi,
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"Failed to send Write10 command");
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return NULL;
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}
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event_loop(iscsi, &state);
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return state.task;
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}
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struct scsi_task *
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iscsi_write12_sync(struct iscsi_context *iscsi, int lun, uint32_t lba,
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unsigned char *data, uint32_t datalen, int blocksize,
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int wrprotect, int dpo, int fua, int fua_nv, int group_number)
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{
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struct iscsi_sync_state state;
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memset(&state, 0, sizeof(state));
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if (iscsi_write12_task(iscsi, lun, lba,
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data, datalen, blocksize, wrprotect,
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dpo, fua, fua_nv, group_number,
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scsi_sync_cb, &state) == NULL) {
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iscsi_set_error(iscsi,
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"Failed to send Write12 command");
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return NULL;
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}
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event_loop(iscsi, &state);
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return state.task;
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}
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struct scsi_task *
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iscsi_write16_sync(struct iscsi_context *iscsi, int lun, uint64_t lba,
|
|
unsigned char *data, uint32_t datalen, int blocksize,
|
|
int wrprotect, int dpo, int fua, int fua_nv, int group_number)
|
|
{
|
|
struct iscsi_sync_state state;
|
|
|
|
memset(&state, 0, sizeof(state));
|
|
|
|
if (iscsi_write16_task(iscsi, lun, lba,
|
|
data, datalen, blocksize, wrprotect,
|
|
dpo, fua, fua_nv, group_number,
|
|
scsi_sync_cb, &state) == NULL) {
|
|
iscsi_set_error(iscsi,
|
|
"Failed to send Write16 command");
|
|
return NULL;
|
|
}
|
|
|
|
event_loop(iscsi, &state);
|
|
|
|
return state.task;
|
|
}
|
|
|
|
struct scsi_task *
|
|
iscsi_orwrite_sync(struct iscsi_context *iscsi, int lun, uint64_t lba,
|
|
unsigned char *data, uint32_t datalen, int blocksize,
|
|
int wrprotect, int dpo, int fua, int fua_nv, int group_number)
|
|
{
|
|
struct iscsi_sync_state state;
|
|
|
|
memset(&state, 0, sizeof(state));
|
|
|
|
if (iscsi_orwrite_task(iscsi, lun, lba,
|
|
data, datalen, blocksize, wrprotect,
|
|
dpo, fua, fua_nv, group_number,
|
|
scsi_sync_cb, &state) == NULL) {
|
|
iscsi_set_error(iscsi,
|
|
"Failed to send Orwrite command");
|
|
return NULL;
|
|
}
|
|
|
|
event_loop(iscsi, &state);
|
|
|
|
return state.task;
|
|
}
|
|
|
|
struct scsi_task *
|
|
iscsi_compareandwrite_sync(struct iscsi_context *iscsi, int lun, uint64_t lba,
|
|
unsigned char *data, uint32_t datalen, int blocksize,
|
|
int wrprotect, int dpo, int fua, int fua_nv, int group_number)
|
|
{
|
|
struct iscsi_sync_state state;
|
|
|
|
memset(&state, 0, sizeof(state));
|
|
|
|
if (iscsi_compareandwrite_task(iscsi, lun, lba,
|
|
data, datalen, blocksize, wrprotect,
|
|
dpo, fua, fua_nv, group_number,
|
|
scsi_sync_cb, &state) == NULL) {
|
|
iscsi_set_error(iscsi,
|
|
"Failed to send CompareAndWrite command");
|
|
return NULL;
|
|
}
|
|
|
|
event_loop(iscsi, &state);
|
|
|
|
return state.task;
|
|
}
|
|
|
|
struct scsi_task *
|
|
iscsi_writeverify10_sync(struct iscsi_context *iscsi, int lun, uint32_t lba,
|
|
unsigned char *data, uint32_t datalen, int blocksize,
|
|
int wrprotect, int dpo, int bytchk, int group_number)
|
|
{
|
|
struct iscsi_sync_state state;
|
|
|
|
memset(&state, 0, sizeof(state));
|
|
|
|
if (iscsi_writeverify10_task(iscsi, lun, lba, data, datalen, blocksize,
|
|
wrprotect, dpo, bytchk, group_number,
|
|
scsi_sync_cb, &state) == NULL) {
|
|
iscsi_set_error(iscsi,
|
|
"Failed to send Writeverify10 command");
|
|
return NULL;
|
|
}
|
|
|
|
event_loop(iscsi, &state);
|
|
|
|
return state.task;
|
|
}
|
|
|
|
struct scsi_task *
|
|
iscsi_writeverify12_sync(struct iscsi_context *iscsi, int lun, uint32_t lba,
|
|
unsigned char *data, uint32_t datalen, int blocksize,
|
|
int wrprotect, int dpo, int bytchk, int group_number)
|
|
{
|
|
struct iscsi_sync_state state;
|
|
|
|
memset(&state, 0, sizeof(state));
|
|
|
|
if (iscsi_writeverify12_task(iscsi, lun, lba,
|
|
data, datalen, blocksize, wrprotect,
|
|
dpo, bytchk, group_number,
|
|
scsi_sync_cb, &state) == NULL) {
|
|
iscsi_set_error(iscsi,
|
|
"Failed to send Writeverify12 command");
|
|
return NULL;
|
|
}
|
|
|
|
event_loop(iscsi, &state);
|
|
|
|
return state.task;
|
|
}
|
|
|
|
struct scsi_task *
|
|
iscsi_writeverify16_sync(struct iscsi_context *iscsi, int lun, uint64_t lba,
|
|
unsigned char *data, uint32_t datalen, int blocksize,
|
|
int wrprotect, int dpo, int bytchk, int group_number)
|
|
{
|
|
struct iscsi_sync_state state;
|
|
|
|
memset(&state, 0, sizeof(state));
|
|
|
|
if (iscsi_writeverify16_task(iscsi, lun, lba,
|
|
data, datalen, blocksize, wrprotect,
|
|
dpo, bytchk, group_number,
|
|
scsi_sync_cb, &state) == NULL) {
|
|
iscsi_set_error(iscsi,
|
|
"Failed to send Writeverify16 command");
|
|
return NULL;
|
|
}
|
|
|
|
event_loop(iscsi, &state);
|
|
|
|
return state.task;
|
|
}
|
|
|
|
struct scsi_task *
|
|
iscsi_verify10_sync(struct iscsi_context *iscsi, int lun, unsigned char *data, uint32_t datalen, uint32_t lba,
|
|
int vprotect, int dpo, int bytchk, int blocksize)
|
|
{
|
|
struct iscsi_sync_state state;
|
|
|
|
memset(&state, 0, sizeof(state));
|
|
|
|
if (iscsi_verify10_task(iscsi, lun, data, datalen, lba, vprotect, dpo, bytchk, blocksize,
|
|
scsi_sync_cb, &state) == NULL) {
|
|
iscsi_set_error(iscsi,
|
|
"Failed to send Verify10 command");
|
|
return NULL;
|
|
}
|
|
|
|
event_loop(iscsi, &state);
|
|
|
|
return state.task;
|
|
}
|
|
|
|
struct scsi_task *
|
|
iscsi_verify12_sync(struct iscsi_context *iscsi, int lun, unsigned char *data, uint32_t datalen, uint32_t lba,
|
|
int vprotect, int dpo, int bytchk, int blocksize)
|
|
{
|
|
struct iscsi_sync_state state;
|
|
|
|
memset(&state, 0, sizeof(state));
|
|
|
|
if (iscsi_verify12_task(iscsi, lun, data, datalen, lba, vprotect, dpo, bytchk, blocksize,
|
|
scsi_sync_cb, &state) == NULL) {
|
|
iscsi_set_error(iscsi,
|
|
"Failed to send Verify12 command");
|
|
return NULL;
|
|
}
|
|
|
|
event_loop(iscsi, &state);
|
|
|
|
return state.task;
|
|
}
|
|
|
|
struct scsi_task *
|
|
iscsi_verify16_sync(struct iscsi_context *iscsi, int lun, unsigned char *data, uint32_t datalen, uint64_t lba,
|
|
int vprotect, int dpo, int bytchk, int blocksize)
|
|
{
|
|
struct iscsi_sync_state state;
|
|
|
|
memset(&state, 0, sizeof(state));
|
|
|
|
if (iscsi_verify16_task(iscsi, lun, data, datalen, lba, vprotect, dpo, bytchk, blocksize,
|
|
scsi_sync_cb, &state) == NULL) {
|
|
iscsi_set_error(iscsi,
|
|
"Failed to send Verify16 command");
|
|
return NULL;
|
|
}
|
|
|
|
event_loop(iscsi, &state);
|
|
|
|
return state.task;
|
|
}
|
|
|
|
struct scsi_task *
|
|
iscsi_writesame10_sync(struct iscsi_context *iscsi, int lun,
|
|
unsigned char *data, uint32_t datalen,
|
|
uint32_t lba, uint16_t num_blocks,
|
|
int anchor, int unmap, int pbdata, int lbdata,
|
|
int wrprotect, int group)
|
|
{
|
|
struct iscsi_sync_state state;
|
|
|
|
memset(&state, 0, sizeof(state));
|
|
|
|
if (iscsi_writesame10_task(iscsi, lun, data, datalen,
|
|
lba, num_blocks,
|
|
anchor, unmap, pbdata, lbdata,
|
|
wrprotect, group,
|
|
scsi_sync_cb, &state) == NULL) {
|
|
iscsi_set_error(iscsi,
|
|
"Failed to send WRITESAME10 command");
|
|
return NULL;
|
|
}
|
|
|
|
event_loop(iscsi, &state);
|
|
|
|
return state.task;
|
|
}
|
|
|
|
struct scsi_task *
|
|
iscsi_writesame16_sync(struct iscsi_context *iscsi, int lun,
|
|
unsigned char *data, uint32_t datalen,
|
|
uint64_t lba, uint32_t num_blocks,
|
|
int anchor, int unmap, int pbdata, int lbdata,
|
|
int wrprotect, int group)
|
|
{
|
|
struct iscsi_sync_state state;
|
|
|
|
memset(&state, 0, sizeof(state));
|
|
|
|
if (iscsi_writesame16_task(iscsi, lun, data, datalen,
|
|
lba, num_blocks,
|
|
anchor, unmap, pbdata, lbdata,
|
|
wrprotect, group,
|
|
scsi_sync_cb, &state) == NULL) {
|
|
iscsi_set_error(iscsi,
|
|
"Failed to send WRITESAME16 command");
|
|
return NULL;
|
|
}
|
|
|
|
event_loop(iscsi, &state);
|
|
|
|
return state.task;
|
|
}
|
|
|
|
struct scsi_task *
|
|
iscsi_unmap_sync(struct iscsi_context *iscsi, int lun, int anchor, int group,
|
|
struct unmap_list *list, int list_len)
|
|
{
|
|
struct iscsi_sync_state state;
|
|
|
|
memset(&state, 0, sizeof(state));
|
|
|
|
if (iscsi_unmap_task(iscsi, lun, anchor, group, list, list_len,
|
|
scsi_sync_cb, &state) == NULL) {
|
|
iscsi_set_error(iscsi,
|
|
"Failed to send UNMAP command");
|
|
return NULL;
|
|
}
|
|
|
|
event_loop(iscsi, &state);
|
|
|
|
return state.task;
|
|
}
|
|
|
|
struct scsi_task *
|
|
iscsi_scsi_command_sync(struct iscsi_context *iscsi, int lun,
|
|
struct scsi_task *task, struct iscsi_data *data)
|
|
{
|
|
struct iscsi_sync_state state;
|
|
|
|
memset(&state, 0, sizeof(state));
|
|
|
|
if (iscsi_scsi_command_async(iscsi, lun, task,
|
|
scsi_sync_cb, data, &state) != 0) {
|
|
iscsi_set_error(iscsi, "Failed to send SCSI command");
|
|
return NULL;
|
|
}
|
|
|
|
event_loop(iscsi, &state);
|
|
|
|
return state.task;
|
|
}
|
|
|
|
|
|
struct scsi_task *
|
|
iscsi_modesense6_sync(struct iscsi_context *iscsi, int lun, int dbd,
|
|
int pc, int page_code, int sub_page_code,
|
|
unsigned char alloc_len)
|
|
{
|
|
struct iscsi_sync_state state;
|
|
|
|
memset(&state, 0, sizeof(state));
|
|
|
|
if (iscsi_modesense6_task(iscsi, lun, dbd, pc, page_code, sub_page_code, alloc_len,
|
|
scsi_sync_cb, &state) == NULL) {
|
|
iscsi_set_error(iscsi,
|
|
"Failed to send MODE_SENSE6 command");
|
|
return NULL;
|
|
}
|
|
|
|
event_loop(iscsi, &state);
|
|
|
|
return state.task;
|
|
}
|