Initial import of libiscsi
This commit is contained in:
Ronnie Sahlberg
218
src/iscsi-inq.c
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218
src/iscsi-inq.c
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/*
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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 General Public License as published by
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the Free Software Foundation; either version 2 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 General Public License for more details.
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You should have received a copy of the GNU 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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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <poll.h>
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#include <popt.h>
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#include "iscsi.h"
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#include "scsi-lowlevel.h"
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char *initiator = "iqn.2010-11.ronnie:iscsi-inq";
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void inquiry_block_device_characteristics(struct scsi_inquiry_block_device_characteristics *inq)
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{
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printf("Medium Rotation Rate:%dRPM\n", inq->medium_rotation_rate);
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}
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void inquiry_device_identification(struct scsi_inquiry_device_identification *inq)
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{
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struct scsi_inquiry_device_designator *dev;
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int i;
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printf("Peripheral Qualifier:%s\n",
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scsi_devqualifier_to_str(inq->periperal_qualifier));
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printf("Peripheral Device Type:%s\n",
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scsi_devtype_to_str(inq->periperal_device_type));
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printf("Page Code:(0x%02x) %s\n",
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inq->pagecode, scsi_inquiry_pagecode_to_str(inq->pagecode));
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for (i=0, dev = inq->designators; dev; i++, dev = dev->next) {
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printf("DEVICE DESIGNATOR #%d\n", i);
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if (dev->piv != 0) {
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printf("Device Protocol Identifier:(%d) %s\n", dev->protocol_identifier, scsi_protocol_identifier_to_str(dev->protocol_identifier));
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}
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printf("Code Set:(%d) %s\n", dev->code_set, scsi_codeset_to_str(dev->code_set));
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printf("PIV:%d\n", dev->piv);
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printf("Association:(%d) %s\n", dev->association, scsi_association_to_str(dev->association));
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printf("Designator Type:(%d) %s\n", dev->designator_type, scsi_designator_type_to_str(dev->designator_type));
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printf("Designator:[%s]\n", dev->designator);
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}
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}
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void inquiry_unit_serial_number(struct scsi_inquiry_unit_serial_number *inq)
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{
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printf("Unit Serial Number:[%s]\n", inq->usn);
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}
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void inquiry_supported_pages(struct scsi_inquiry_supported_pages *inq)
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{
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int i;
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for (i = 0; i < inq->num_pages; i++) {
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printf("Page:0x%02x %s\n", inq->pages[i], scsi_inquiry_pagecode_to_str(inq->pages[i]));
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}
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}
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void inquiry_standard(struct scsi_inquiry_standard *inq)
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{
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printf("Peripheral Qualifier:%s\n",
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scsi_devqualifier_to_str(inq->periperal_qualifier));
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printf("Peripheral Device Type:%s\n",
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scsi_devtype_to_str(inq->periperal_device_type));
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printf("Removable:%d\n", inq->rmb);
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printf("Version:%d %s\n", inq->version, scsi_version_to_str(inq->version));
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printf("NormACA:%d\n", inq->normaca);
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printf("HiSup:%d\n", inq->hisup);
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printf("ReponseDataFormat:%d\n", inq->response_data_format);
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printf("SCCS:%d\n", inq->sccs);
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printf("ACC:%d\n", inq->acc);
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printf("TPGS:%d\n", inq->tpgs);
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printf("3PC:%d\n", inq->threepc);
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printf("Protect:%d\n", inq->protect);
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printf("EncServ:%d\n", inq->encserv);
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printf("MultiP:%d\n", inq->multip);
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printf("SYNC:%d\n", inq->sync);
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printf("CmdQue:%d\n", inq->cmdque);
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printf("Vendor:%s\n", inq->vendor_identification);
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printf("Product:%s\n", inq->product_identification);
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printf("Revision:%s\n", inq->product_revision_level);
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}
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void do_inquiry(struct iscsi_context *iscsi, int lun, int evpd, int pc)
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{
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struct scsi_task *task;
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int full_size;
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void *inq;
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/* See how big this inquiry data is */
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task = iscsi_inquiry_sync(iscsi, lun, evpd, pc, 64);
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if (task == NULL || task->status != SCSI_STATUS_GOOD) {
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fprintf(stderr, "Inquiry command failed : %s\n", iscsi_get_error(iscsi));
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exit(10);
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}
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full_size = scsi_datain_getfullsize(task);
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if (full_size > task->datain.size) {
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scsi_free_scsi_task(task);
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/* we need more data for the full list */
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if ((task = iscsi_inquiry_sync(iscsi, lun, evpd, pc, full_size)) == NULL) {
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fprintf(stderr, "Inquiry command failed : %s\n", iscsi_get_error(iscsi));
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exit(10);
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}
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}
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inq = scsi_datain_unmarshall(task);
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if (inq == NULL) {
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fprintf(stderr, "failed to unmarshall inquiry datain blob\n");
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exit(10);
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}
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if (evpd == 0) {
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inquiry_standard(inq);
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} else {
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switch (pc) {
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case SCSI_INQUIRY_PAGECODE_SUPPORTED_VPD_PAGES:
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inquiry_supported_pages(inq);
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break;
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case SCSI_INQUIRY_PAGECODE_UNIT_SERIAL_NUMBER:
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inquiry_unit_serial_number(inq);
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break;
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case SCSI_INQUIRY_PAGECODE_DEVICE_IDENTIFICATION:
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inquiry_device_identification(inq);
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break;
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case SCSI_INQUIRY_PAGECODE_BLOCK_DEVICE_CHARACTERISTICS:
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inquiry_block_device_characteristics(inq);
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break;
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default:
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fprintf(stderr, "Usupported pagecode:0x%02x\n", pc);
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}
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}
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scsi_free_scsi_task(task);
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}
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int main(int argc, const char *argv[])
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{
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poptContext pc;
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struct iscsi_context *iscsi;
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char *portal = NULL;
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char *target = NULL;
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int lun = -1, evpd = 0, pagecode = 0;
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int res;
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struct poptOption popt_options[] = {
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POPT_AUTOHELP
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{ "initiator-name", 'i', POPT_ARG_STRING, &initiator, 0, "Initiatorname to use", "iqn-name" },
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{ "portal", 'p', POPT_ARG_STRING, &portal, 0, "Target portal", "address[:port]" },
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{ "target", 't', POPT_ARG_STRING, &target, 0, "Target name", "iqn-name" },
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{ "lun", 'l', POPT_ARG_INT, &lun, 0, "LUN", "integer" },
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{ "evpd", 'e', POPT_ARG_INT, &evpd, 0, "evpd", "integer" },
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{ "pagecode", 'c', POPT_ARG_INT, &pagecode, 0, "page code", "integer" },
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POPT_TABLEEND
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};
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pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_POSIXMEHARDER);
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if ((res = poptGetNextOpt(pc)) < -1) {
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fprintf(stderr, "Failed to parse option : %s %s\n",
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poptBadOption(pc, 0), poptStrerror(res));
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exit(10);
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}
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poptFreeContext(pc);
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if (portal == NULL) {
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fprintf(stderr, "You must specify target portal\n");
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exit(10);
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}
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if (target == NULL) {
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fprintf(stderr, "You must specify target name\n");
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exit(10);
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}
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if (lun == -1) {
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fprintf(stderr, "You must specify LUN\n");
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exit(10);
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}
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iscsi = iscsi_create_context(initiator);
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if (iscsi == NULL) {
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fprintf(stderr, "Failed to create context\n");
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exit(10);
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}
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iscsi_set_targetname(iscsi, target);
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iscsi_set_session_type(iscsi, ISCSI_SESSION_NORMAL);
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iscsi_set_header_digest(iscsi, ISCSI_HEADER_DIGEST_NONE_CRC32C);
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if (iscsi_full_connect_sync(iscsi, portal, lun) != 0) {
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fprintf(stderr, "Failed to log in to target %s\n", iscsi_get_error(iscsi));
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exit(10);
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}
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do_inquiry(iscsi, lun, evpd, pagecode);
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iscsi_logout_sync(iscsi);
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iscsi_destroy_context(iscsi);
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return 0;
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}
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