- Enable 16byte commands.

- Fix printf warnings on 64bit architectures.
- Accept 'k', 'm' and etc. for -s option.

Reviewed by: njl

share/examples/scsi_target/scsi_cmds.c

@@ -36,6 +36,7 @@
 #include <err.h>
 #include <aio.h>
 #include <assert.h>
+#include <sys/param.h>
 #include <sys/types.h>
 
 #include <cam/cam.h>
@@ -58,6 +59,9 @@ struct targ_cdb_handlers {
 static targ_start_func		tcmd_inquiry;
 static targ_start_func		tcmd_req_sense;
 static targ_start_func		tcmd_rd_cap;
+#ifdef READ_16
+static targ_start_func		tcmd_rd_cap16;
+#endif
 static targ_start_func		tcmd_rdwr;
 static targ_start_func		tcmd_rdwr_decode;
 static targ_done_func		tcmd_rdwr_done;
@@ -83,13 +87,18 @@ static struct targ_cdb_handlers cdb_handlers[] = {
 	{ SYNCHRONIZE_CACHE,	tcmd_null_ok,		NULL },
 	{ MODE_SENSE_6,		tcmd_illegal_req,	NULL },
 	{ MODE_SELECT_6,	tcmd_illegal_req,	NULL },
+#ifdef READ_16
+	{ READ_16,		tcmd_rdwr,		tcmd_rdwr_done },
+	{ WRITE_16,		tcmd_rdwr,		tcmd_rdwr_done },
+	{ SERVICE_ACTION_IN,	tcmd_rd_cap16,		NULL },
+#endif
 	{ ILLEGAL_CDB,		NULL,			NULL }
 };
 
 static struct scsi_inquiry_data inq_data;
 static struct initiator_state istates[MAX_INITIATORS];
 extern int		debug;
-extern u_int32_t	volume_size;
+extern uint64_t		volume_size;
 extern size_t		sector_size;
 extern size_t		buf_size;
 
@@ -398,17 +407,23 @@ tcmd_rd_cap(struct ccb_accept_tio *atio, struct ccb_scsiio *ctio)
 {
 	struct scsi_read_capacity_data *srp;
 	struct atio_descr *a_descr;
+	uint32_t vsize;
 
 	a_descr = (struct atio_descr *)atio->ccb_h.targ_descr;
 	srp = (struct scsi_read_capacity_data *)ctio->data_ptr;
 
+	if (volume_size > 0xffffffff)
+		vsize = 0xffffffff;
+	else
+		vsize = (uint32_t)(volume_size - 1);
+
 	if (debug) {
 		cdb_debug(a_descr->cdb, "READ CAP from %u (%u, %u): ",
-			  atio->init_id, volume_size - 1, sector_size);
+			  atio->init_id, vsize, sector_size);
 	}
 
 	bzero(srp, sizeof(*srp));
-	scsi_ulto4b(volume_size - 1, srp->addr);
+	scsi_ulto4b(vsize, srp->addr);
 	scsi_ulto4b(sector_size, srp->length);
 
 	ctio->dxfer_len = sizeof(*srp);
@@ -417,6 +432,39 @@ tcmd_rd_cap(struct ccb_accept_tio *atio, struct ccb_scsiio *ctio)
 	return (0);
 }
 
+#ifdef READ_16
+static int
+tcmd_rd_cap16(struct ccb_accept_tio *atio, struct ccb_scsiio *ctio)
+{
+	struct scsi_read_capacity_16 *scsi_cmd;
+	struct scsi_read_capacity_data_long *srp;
+	struct atio_descr *a_descr;
+
+	a_descr = (struct atio_descr *)atio->ccb_h.targ_descr;
+	scsi_cmd = (struct scsi_read_capacity_16 *)a_descr->cdb;
+	srp = (struct scsi_read_capacity_data_long *)ctio->data_ptr;
+
+	if (scsi_cmd->service_action != SRC16_SERVICE_ACTION) {
+		tcmd_illegal_req(atio, ctio);
+		return (0);
+	}
+
+	if (debug) {
+		cdb_debug(a_descr->cdb, "READ CAP16 from %u (%u, %u): ",
+			  atio->init_id, volume_size - 1, sector_size);
+	}
+
+	bzero(srp, sizeof(*srp));
+	scsi_u64to8b(volume_size - 1, srp->addr);
+	scsi_ulto4b(sector_size, srp->length);
+
+	ctio->dxfer_len = sizeof(*srp);
+	ctio->ccb_h.flags |= CAM_DIR_IN | CAM_SEND_STATUS;
+	ctio->scsi_status = SCSI_STATUS_OK;
+	return (0);
+}
+#endif
+
 static int
 tcmd_rdwr(struct ccb_accept_tio *atio, struct ccb_scsiio *ctio)
 {
@@ -443,13 +491,21 @@ tcmd_rdwr(struct ccb_accept_tio *atio, struct ccb_scsiio *ctio)
 	if ((a_descr->flags & CAM_DIR_IN) != 0) {
 		ret = start_io(atio, ctio, CAM_DIR_IN);
 		if (debug)
-			warnx("Starting DIR_IN @%lld:%u", c_descr->offset,
-			      a_descr->targ_req);
+#if __FreeBSD_version >= 500000
+			warnx("Starting DIR_IN @%jd:%u",
+#else
+			warnx("Starting DIR_IN @%lld:%u",
+#endif
+			    c_descr->offset, a_descr->targ_req);
 	} else {
 		ret = start_io(atio, ctio, CAM_DIR_OUT);
 		if (debug)
-			warnx("Starting DIR_OUT @%lld:%u", c_descr->offset,
-			      a_descr->init_req);
+#if __FreeBSD_version >= 500000
+			warnx("Starting DIR_OUT @%jd:%u",
+#else
+			warnx("Starting DIR_OUT @%lld:%u",
+#endif
+			    c_descr->offset, a_descr->init_req);
 	}
 
 	return (ret);
@@ -458,7 +514,8 @@ tcmd_rdwr(struct ccb_accept_tio *atio, struct ccb_scsiio *ctio)
 static int
 tcmd_rdwr_decode(struct ccb_accept_tio *atio, struct ccb_scsiio *ctio)
 {
-	u_int32_t blkno, count;
+	uint64_t blkno;
+	uint32_t count;
 	struct atio_descr *a_descr;
 	u_int8_t *cdb;
 
@@ -467,14 +524,36 @@ tcmd_rdwr_decode(struct ccb_accept_tio *atio, struct ccb_scsiio *ctio)
 	if (debug)
 		cdb_debug(cdb, "R/W from %u: ", atio->init_id);
 
-	if (cdb[0] == READ_6 || cdb[0] == WRITE_6) {
+	switch (cdb[0]) {
+	case READ_6:
+	case WRITE_6:
+	{
 		struct scsi_rw_6 *rw_6 = (struct scsi_rw_6 *)cdb;
 		blkno = scsi_3btoul(rw_6->addr);
 		count = rw_6->length;
-	} else {
+		break;
+	}
+	case READ_10:
+	case WRITE_10:
+	{
 		struct scsi_rw_10 *rw_10 = (struct scsi_rw_10 *)cdb;
 		blkno = scsi_4btoul(rw_10->addr);
 		count = scsi_2btoul(rw_10->length);
+		break;
+	}
+#ifdef READ_16
+	case READ_16:
+	case WRITE_16:
+	{
+		struct scsi_rw_16 *rw_16 = (struct scsi_rw_16 *)cdb;
+		blkno = scsi_8btou64(rw_16->addr);
+		count = scsi_4btoul(rw_16->length);
+		break;
+	}
+#endif
+	default:
+		tcmd_illegal_req(atio, ctio);
+		return (0);
 	}
 	if (blkno + count > volume_size) {
 		warnx("Attempt to access past end of volume");
@@ -488,17 +567,29 @@ tcmd_rdwr_decode(struct ccb_accept_tio *atio, struct ccb_scsiio *ctio)
 	a_descr->total_len = count * sector_size;
 	if (a_descr->total_len == 0) {
 		if (debug)
-			warnx("r/w 0 blocks @ blkno %u", blkno);
+#if __FreeBSD_version >= 500000
+			warnx("r/w 0 blocks @ blkno %ju", blkno);
+#else
+			warnx("r/w 0 blocks @ blkno %llu", blkno);
+#endif
 		tcmd_null_ok(atio, ctio);
 		return (0);
 	} else if (cdb[0] == WRITE_6 || cdb[0] == WRITE_10) {
 		a_descr->flags |= CAM_DIR_OUT;
 		if (debug)
-			warnx("write %u blocks @ blkno %u", count, blkno);
+#if __FreeBSD_version >= 500000
+			warnx("write %u blocks @ blkno %ju", count, blkno);
+#else
+			warnx("write %u blocks @ blkno %llu", count, blkno);
+#endif
 	} else {
 		a_descr->flags |= CAM_DIR_IN;
 		if (debug)
-			warnx("read %u blocks @ blkno %u", count, blkno);
+#if __FreeBSD_version >= 500000
+			warnx("read %u blocks @ blkno %ju", count, blkno);
+#else
+			warnx("read %u blocks @ blkno %llu", count, blkno);
+#endif
 	}
 	return (1);
 }

share/examples/scsi_target/scsi_target.8

@@ -94,6 +94,17 @@ and its associated control device.
 Use a different size for the emulated volume.
 Must be less than or equal to the size of
 .Ar filename .
+If the number ends with a
+.Dq Li k ,
+.Dq Li m ,
+.Dq Li g ,
+.Dq Li t ,
+.Dq Li p ,
+or
+.Dq Li e ,
+the number is multiplied by 2^10 (1K), 2^20 (1M), 2^30 (1G), 2^40 (1T),
+2^50 (1P) and 2^60 (1E)
+respectively.
 .El
 .Pp
 Required arguments:

share/examples/scsi_target/scsi_target.c

@@ -29,6 +29,7 @@
  */
 
 #include <sys/types.h>
+#include <ctype.h>
 #include <errno.h>
 #include <err.h>
 #include <fcntl.h>
@@ -61,8 +62,8 @@
 
 /* Global variables */
 int		debug;
-u_int32_t	volume_size;
-size_t		sector_size;
+off_t		volume_size;
+u_int		sector_size;
 size_t		buf_size;
 
 /* Local variables */
@@ -141,10 +142,39 @@ main(int argc, char *argv[])
 				errx(1, "Unreasonable sector size: %s", optarg);
 			break;
 		case 's':
+		{
+			int last, shift = 0;
+
+			last = strlen(optarg) - 1;
+			if (last > 0) {
+				switch (tolower(optarg[last])) {
+				case 'e':
+					shift += 10;
+					/* FALLTHROUGH */
+				case 'p':
+					shift += 10;
+					/* FALLTHROUGH */
+				case 't':
+					shift += 10;
+					/* FALLTHROUGH */
+				case 'g':
+					shift += 10;
+					/* FALLTHROUGH */
+				case 'm':
+					shift += 10;
+					/* FALLTHROUGH */
+				case 'k':
+					shift += 10;
+					optarg[last] = 0;
+					break;
+				}
+			}
 			user_size = strtoll(optarg, (char **)NULL, /*base*/10);
+			user_size <<= shift;
 			if (user_size < 0)
 				errx(1, "Unreasonable volume size: %s", optarg);
 			break;
+		}
 		case 'W':
 			req_flags &= ~(SID_WBus16 | SID_WBus32);
 			switch (atoi(optarg)) {
@@ -215,6 +245,14 @@ main(int argc, char *argv[])
 	} else {
 		volume_size = user_size / sector_size;
 	}
+	if (debug)
+#if __FreeBSD_version >= 500000
+		warnx("volume_size: %d bytes x %jd sectors",
+#else
+		warnx("volume_size: %d bytes x %lld sectors",
+#endif
+		    sector_size, volume_size);
+
 	if (volume_size <= 0)
 		errx(1, "volume must be larger than %d", sector_size);
 

share/examples/scsi_target/scsi_target.h

@@ -51,11 +51,11 @@ TAILQ_HEAD(io_queue, ccb_hdr);
 /* Descriptor attached to each ATIO */
 struct atio_descr {
 	off_t	  base_off;	/* Base offset for ATIO */
-	size_t	  total_len;	/* Total xfer len for this ATIO */
-	size_t	  init_req;	/* Transfer count requested to/from init */
-	size_t	  init_ack;	/* Data transferred ok to/from init */
-	size_t	  targ_req;	/* Transfer count requested to/from target */
-	size_t	  targ_ack;	/* Data transferred ok to/from target */
+	uint	  total_len;	/* Total xfer len for this ATIO */
+	uint	  init_req;	/* Transfer count requested to/from init */
+	uint	  init_ack;	/* Data transferred ok to/from init */
+	uint	  targ_req;	/* Transfer count requested to/from target */
+	uint	  targ_ack;	/* Data transferred ok to/from target */
 	int	  flags;	/* Flags for CTIOs */
 	u_int8_t *cdb;		/* Pointer to received CDB */
 		  		/* List of completed AIO/CTIOs */