Bring in the new iSCSI target and initiator.

Reviewed by:	ken (parts)
Approved by:	re (delphij)
Sponsored by:	FreeBSD Foundation

1 files changed, 186 insertions, 0 deletions

diff --git a/usr.bin/iscsictl/periphs.c b/usr.bin/iscsictl/periphs.c
new file mode 100644
index 0000000..78b237f
--- /dev/null
+++ b/usr.bin/iscsictl/periphs.c
@@ -0,0 +1,186 @@
+/*
+ * Copyright (c) 1997-2007 Kenneth D. Merry
+ * Copyright (c) 2012 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * Portions of this software were developed by Edward Tomasz Napierala
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/ioctl.h>
+#include <sys/stdint.h>
+#include <sys/types.h>
+#include <sys/endian.h>
+#include <sys/sbuf.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <inttypes.h>
+#include <limits.h>
+#include <fcntl.h>
+#include <err.h>
+
+#include <cam/cam.h>
+#include <cam/cam_debug.h>
+#include <cam/cam_ccb.h>
+#include <cam/scsi/scsi_all.h>
+#include <cam/scsi/scsi_da.h>
+#include <cam/scsi/scsi_pass.h>
+#include <cam/scsi/scsi_message.h>
+#include <cam/scsi/smp_all.h>
+#include <cam/ata/ata_all.h>
+#include <camlib.h>
+
+#include "iscsictl.h"
+
+void
+print_periphs(int session_id)
+{
+	union ccb ccb;
+	int bufsize, fd;
+	unsigned int i;
+	int skip_bus, skip_device;
+
+	if ((fd = open(XPT_DEVICE, O_RDWR)) == -1) {
+		warn("couldn't open %s", XPT_DEVICE);
+		return;
+	}
+
+	/*
+	 * First, iterate over the whole list to find the bus.
+	 */
+
+	bzero(&ccb, sizeof(union ccb));
+
+	ccb.ccb_h.path_id = CAM_XPT_PATH_ID;
+	ccb.ccb_h.target_id = CAM_TARGET_WILDCARD;
+	ccb.ccb_h.target_lun = CAM_LUN_WILDCARD;
+
+	ccb.ccb_h.func_code = XPT_DEV_MATCH;
+	bufsize = sizeof(struct dev_match_result) * 100;
+	ccb.cdm.match_buf_len = bufsize;
+	ccb.cdm.matches = (struct dev_match_result *)malloc(bufsize);
+	if (ccb.cdm.matches == NULL) {
+		warnx("can't malloc memory for matches");
+		close(fd);
+		return;
+	}
+	ccb.cdm.num_matches = 0;
+
+	/*
+	 * We fetch all nodes, since we display most of them in the default
+	 * case, and all in the verbose case.
+	 */
+	ccb.cdm.num_patterns = 0;
+	ccb.cdm.pattern_buf_len = 0;
+
+	/*
+	 * We do the ioctl multiple times if necessary, in case there are
+	 * more than 100 nodes in the EDT.
+	 */
+	do {
+		if (ioctl(fd, CAMIOCOMMAND, &ccb) == -1) {
+			warn("error sending CAMIOCOMMAND ioctl");
+			break;
+		}
+
+		if ((ccb.ccb_h.status != CAM_REQ_CMP)
+		 || ((ccb.cdm.status != CAM_DEV_MATCH_LAST)
+		    && (ccb.cdm.status != CAM_DEV_MATCH_MORE))) {
+			warnx("got CAM error %#x, CDM error %d\n",
+			      ccb.ccb_h.status, ccb.cdm.status);
+			break;
+		}
+
+		skip_bus = 1;
+		skip_device = 1;
+
+		for (i = 0; i < ccb.cdm.num_matches; i++) {
+			switch (ccb.cdm.matches[i].type) {
+			case DEV_MATCH_BUS: {
+				struct bus_match_result *bus_result;
+
+				bus_result = &ccb.cdm.matches[i].result.bus_result;
+
+				skip_bus = 1;
+
+				if (strcmp(bus_result->dev_name, "iscsi") != 0) {
+					//printf("not iscsi\n");
+					continue;
+				}
+
+				if ((int)bus_result->unit_number != session_id) {
+					//printf("wrong unit, %d != %d\n", bus_result->unit_number, session_id);
+					continue;
+				}
+
+				skip_bus = 0;
+			}
+			case DEV_MATCH_DEVICE: {
+				skip_device = 1;
+
+				if (skip_bus != 0)
+					continue;
+
+				skip_device = 0;
+
+				break;
+			}
+			case DEV_MATCH_PERIPH: {
+				struct periph_match_result *periph_result;
+
+				periph_result =
+				      &ccb.cdm.matches[i].result.periph_result;
+
+				if (skip_device != 0)
+					continue;
+
+				if (strcmp(periph_result->periph_name, "pass") == 0)
+					continue;
+
+				fprintf(stdout, "%s%d ",
+					periph_result->periph_name,
+					periph_result->unit_number);
+
+				break;
+			}
+			default:
+				fprintf(stdout, "unknown match type\n");
+				break;
+			}
+		}
+
+	} while ((ccb.ccb_h.status == CAM_REQ_CMP)
+		&& (ccb.cdm.status == CAM_DEV_MATCH_MORE));
+
+	close(fd);
+}
+