コード例 #1
0
ファイル: t10_raw_if.c プロジェクト: alhazred/onarm
static void
raw_inquiry(t10_cmd_t *cmd, uint8_t *cdb, size_t cdb_len)
{
	raw_io_t		*io;
	uint32_t		len;
	struct scsi_inquiry	inq;
	raw_params_t		*r;

	if ((r = (raw_params_t *)T10_PARAMS_AREA(cmd)) == NULL)
		return;

	len = (cdb[3] << 8) | cdb[4];
	if (((io = do_datain(cmd, cdb, CDB_GROUP0, len)) == NULL) ||
	    (io->r_status != STATUS_GOOD)) {
		if (io != NULL)
			raw_free_io(io);
		trans_send_complete(cmd, STATUS_CHECK);
		return;
	}

	if ((cdb[1] & 1) == 0) {
		bcopy(io->r_data, &inq, sizeof (inq));
		r->r_dtype = inq.inq_dtype;
	}
	if (trans_send_datain(cmd, io->r_data, io->r_data_len, 0,
	    raw_free_io, True, io) == False) {
		spc_sense_create(cmd, KEY_HARDWARE_ERROR, 0);
		trans_send_complete(cmd, STATUS_CHECK);
	}
}
コード例 #2
0
ファイル: t10_raw_if.c プロジェクト: alhazred/onarm
static void
raw_msense(t10_cmd_t *cmd, uint8_t *cdb, size_t cdb_len)
{
	raw_io_t	*io;
	int		len;

	switch (cdb[0]) {
	case SCMD_MODE_SENSE:
		len = cdb[4];
		break;

	case SCMD_MODE_SENSE_G1:
		len = (cdb[7] << 8) | cdb[8];
		break;
	}

	if (((io = do_datain(cmd, cdb, CDB_GROUP0, len)) == NULL) ||
	    (io->r_status != STATUS_GOOD)) {
		if (io != NULL)
			raw_free_io(io);
		trans_send_complete(cmd, STATUS_CHECK);
		return;
	}
	if (trans_send_datain(cmd, io->r_data, io->r_data_len, 0,
	    raw_free_io, True, io) == False) {
		spc_sense_create(cmd, KEY_HARDWARE_ERROR, 0);
		trans_send_complete(cmd, STATUS_CHECK);
	}
}
コード例 #3
0
ファイル: t10_raw_if.c プロジェクト: alhazred/onarm
static void
raw_service_actiong4(t10_cmd_t *cmd, uint8_t *cdb, size_t cdb_len)
{
	raw_io_t	*io;
	uint32_t	len;
	struct scsi_capacity_16	cap16;
	raw_params_t		*r;

	if ((r = (raw_params_t *)T10_PARAMS_AREA(cmd)) == NULL)
		return;

	len = (cdb[10] << 24) | (cdb[11] << 16) | (cdb[12] << 8) | cdb[13];
	if (((io = do_datain(cmd, cdb, CDB_GROUP4, len)) == NULL) ||
	    (io->r_status != STATUS_GOOD)) {
		if (io != NULL)
			raw_free_io(io);
		trans_send_complete(cmd, STATUS_CHECK);
		return;
	}

	bcopy(io->r_data, &cap16, sizeof (cap16));
	/*
	 * Currently there's a bug in ZFS which doesn't report a capacity
	 * for any of the volumes. This means that when using ZFS the
	 * administrator must supply the device size.
	 */
	if (cap16.sc_capacity != 0)
		r->r_size = cap16.sc_capacity;
	if (trans_send_datain(cmd, io->r_data, io->r_data_len, 0,
	    raw_free_io, True, io) == False) {
		spc_sense_create(cmd, KEY_HARDWARE_ERROR, 0);
		trans_send_complete(cmd, STATUS_CHECK);
	}
}
コード例 #4
0
ファイル: t10_raw_if.c プロジェクト: alhazred/onarm
/*
 * []----
 * | raw_read_cmplt -- Once we have the data, need to send it along.
 * []----
 */
static void
raw_read_cmplt(emul_handle_t id)
{
	raw_io_t	*io		= (raw_io_t *)id;
	int		sense_len;
	uint64_t	err_blkno;
	t10_cmd_t	*cmd		= io->r_cmd;
	Boolean_t	last;

	if (io->r_aio.a_aio.aio_return != io->r_data_len) {
		err_blkno = io->r_lba + ((io->r_offset + 511) / 512);
		cmd->c_resid = (io->r_lba_cnt * 512) - io->r_offset;
		if (err_blkno > FIXED_SENSE_ADDL_INFO_LEN)
			sense_len = INFORMATION_SENSE_DESCR;
		else
			sense_len = 0;
		spc_sense_create(cmd, KEY_HARDWARE_ERROR, sense_len);
		spc_sense_info(cmd, err_blkno);
		trans_send_complete(cmd, STATUS_CHECK);
		raw_free_io(io);
		return;
	}

	last = ((io->r_offset + io->r_data_len) < (io->r_lba_cnt * 512LL)) ?
	    False : True;
	if (trans_send_datain(cmd, io->r_data, io->r_data_len,
	    io->r_offset, raw_free_io, last, io) == False) {
		raw_free_io(io);
		spc_sense_create(cmd, KEY_HARDWARE_ERROR, 0);
		trans_send_complete(cmd, STATUS_CHECK);
	}
}
コード例 #5
0
ファイル: t10_raw_if.c プロジェクト: alhazred/onarm
static void
raw_request_sense(t10_cmd_t *cmd, uint8_t *cdb, size_t cdb_len)
{
	raw_io_t	*io;

	if (((io = do_datain(cmd, cdb, CDB_GROUP0, cdb[4])) == NULL) ||
	    (io->r_status != STATUS_GOOD)) {
		if (io != NULL)
			raw_free_io(io);
		trans_send_complete(cmd, STATUS_CHECK);
	} else {
		if (trans_send_datain(cmd, io->r_data, io->r_data_len, 0,
		    raw_free_io, True, io) == False) {
			spc_sense_create(cmd, KEY_HARDWARE_ERROR, 0);
			trans_send_complete(cmd, STATUS_CHECK);
		}
	}
}
コード例 #6
0
ファイル: t10_osd.c プロジェクト: CoryXie/opensolaris
/*
 * []----
 * | osd_list -- return a list of objects
 * []----
 */
static void
osd_list(t10_cmd_t *cmd, uint8_t *cdb, size_t cdb_len)
{
	osd_cmd_list_t		*o	= (osd_cmd_list_t *)cdb;
	osd_obj_id_t		part;
	osd_list_param_t	*data;
	uint64_t		len, alloc_len;

	part = (uint64_t)o->ocdb_partition_id[0] << 56 |
	    (uint64_t)o->ocdb_partition_id[1] << 48 |
	    (uint64_t)o->ocdb_partition_id[2] << 40 |
	    (uint64_t)o->ocdb_partition_id[3] << 32 |
	    (uint64_t)o->ocdb_partition_id[4] << 24 |
	    (uint64_t)o->ocdb_partition_id[5] << 16 |
	    (uint64_t)o->ocdb_partition_id[6] << 8 |
	    (uint64_t)o->ocdb_partition_id[7];
	len = (uint64_t)o->ocdb_length[0] << 56 |
	    (uint64_t)o->ocdb_length[1] << 48 |
	    (uint64_t)o->ocdb_length[2] << 40 |
	    (uint64_t)o->ocdb_length[3] << 32 |
	    (uint64_t)o->ocdb_length[4] << 24 |
	    (uint64_t)o->ocdb_length[5] << 16 |
	    (uint64_t)o->ocdb_length[6] << 8 |
	    (uint64_t)o->ocdb_length[7];

	if (len == 0) {
		trans_send_complete(cmd, STATUS_GOOD);
		return;
	}

	queue_prt(mgmtq, Q_STE_NONIO, "part=0x%llx, len=0x%llx", part, len);
	alloc_len = MAX(sizeof (*data), len);
	if ((data = calloc(1, alloc_len)) == NULL) {
		trans_send_complete(cmd, STATUS_BUSY);
		return;
	}
	data->op_length[7] = sizeof (*data) - 8;
	if (part == OSD_PARTITION_ROOT)
		data->op_root = 1;

	(void) trans_send_datain(cmd, (char *)data, sizeof (*data), 0, free,
	    True, (emul_handle_t)data);
}
コード例 #7
0
ファイル: t10_raw_if.c プロジェクト: alhazred/onarm
static void
raw_report_tpgs(t10_cmd_t *cmd, uint8_t *cdb, size_t cdb_len)
{
	raw_io_t	*io;
	uint32_t	len;

	len = (cdb[6] << 24) | (cdb[7] << 16) | (cdb[8] << 8) | cdb[9];
	if (((io = do_datain(cmd, cdb, CDB_GROUP5, len)) == NULL) ||
	    (io->r_status != STATUS_GOOD)) {
		if (io != NULL)
			raw_free_io(io);
		trans_send_complete(cmd, STATUS_CHECK);
		return;
	}
	if (trans_send_datain(cmd, io->r_data, io->r_data_len, 0,
	    raw_free_io, True, io) == False) {
		spc_sense_create(cmd, KEY_HARDWARE_ERROR, 0);
		trans_send_complete(cmd, STATUS_CHECK);
	}
}
コード例 #8
0
ファイル: t10_raw_if.c プロジェクト: alhazred/onarm
static void
raw_read_limits(t10_cmd_t *cmd, uint8_t *cdb, size_t cdb_len)
{
	raw_io_t	*io;

	/*
	 * spec defines this command to return 6 bytes of data
	 */
	if (((io = do_datain(cmd, cdb, CDB_GROUP0, 6)) == NULL) ||
	    (io->r_status != STATUS_GOOD)) {
		if (io != NULL)
			raw_free_io(io);
		trans_send_complete(cmd, STATUS_CHECK);
		return;
	}
	if (trans_send_datain(cmd, io->r_data, io->r_data_len, 0,
	    raw_free_io, True, io) == False) {
		spc_sense_create(cmd, KEY_HARDWARE_ERROR, 0);
		trans_send_complete(cmd, STATUS_CHECK);
	}
}
コード例 #9
0
ファイル: t10_raw_if.c プロジェクト: alhazred/onarm
/*ARGSUSED*/
static void
raw_read_tape(t10_cmd_t *cmd, uint8_t *cdb, size_t cdb_len)
{
	size_t		req_len;
	size_t		xfer;
	off_t		offset		= 0;
	raw_io_t	*io;
	Boolean_t	last;
	t10_cmd_t	*c;

	req_len = (cdb[2] << 16) | (cdb[3] << 8) | cdb[4];
	if (cdb[1] & 0x1)
		req_len *= 512;

	if (((io = do_datain(cmd, cdb, CDB_GROUP0, req_len)) == NULL) ||
	    (io->r_status != STATUS_GOOD)) {
		if (io != NULL)
			raw_free_io(io);
		trans_send_complete(cmd, STATUS_CHECK);
		return;
	}

	while (offset < io->r_data_len) {
		xfer = min(T10_MAX_OUT(cmd), io->r_data_len - offset);
		last = ((offset + xfer) >= io->r_data_len) ? True : False;
		if (last == True)
			c = cmd;
		else
			c = trans_cmd_dup(cmd);

		if (trans_send_datain(c, io->r_data + offset,
		    xfer, offset, raw_free_io, last, io) == False) {
			raw_free_io(io);
			spc_sense_create(c, KEY_HARDWARE_ERROR, 0);
			trans_send_complete(c, STATUS_CHECK);
			return;
		}
		offset += xfer;
	}
}
コード例 #10
0
ファイル: t10_sbc.c プロジェクト: andreiw/polaris
/*ARGSUSED*/
void
sbc_msense(t10_cmd_t *cmd, uint8_t *cdb, size_t cdb_len)
{
	struct mode_header	*mode_hdr;
	char			*np;
	disk_params_t		*d;
	disk_io_t		*io;

	if ((d = (disk_params_t *)T10_PARAMS_AREA(cmd)) == NULL)
		return;

	/*
	 * SPC-3 Revision 21c section 6.8
	 * Reserve bit checks
	 */
	if ((cdb[1] & ~SPC_MODE_SENSE_DBD) ||
	    SAM_CONTROL_BYTE_RESERVED(cdb[5])) {
		spc_sense_create(cmd, KEY_ILLEGAL_REQUEST, 0);
		spc_sense_ascq(cmd, SPC_ASC_INVALID_CDB, 0x00);
		trans_send_complete(cmd, STATUS_CHECK);
		return;
	}

	/*
	 * Zero length causes a simple ack to occur.
	 */
	if (cdb[4] == 0) {
		trans_send_complete(cmd, STATUS_GOOD);
		return;
	}

	io = sbc_io_alloc(cmd);

	/*
	 * Make sure that we have enough room in the data buffer. We'll
	 * only send back the amount requested though
	 */
	io->da_data_len = MAX(cdb[4], sizeof (struct mode_format) +
	    sizeof (struct mode_geometry) +
	    sizeof (struct mode_control_scsi3) +
	    sizeof (struct mode_cache_scsi3) +
	    sizeof (struct mode_info_ctrl) + (MODE_BLK_DESC_LENGTH * 5));
	if ((io->da_data = (char *)calloc(1, io->da_data_len)) == NULL) {
		sbc_io_free(io);
		trans_send_complete(cmd, STATUS_BUSY);
		return;
	}
	io->da_clear_overlap	= False;
	io->da_data_alloc	= True;
	mode_hdr		= (struct mode_header *)io->da_data;

	switch (cdb[2]) {
	case MODE_SENSE_PAGE3_CODE:
		if ((d->d_heads == 0) && (d->d_cyl == 0) && (d->d_spt == 0)) {
			sbc_io_free(io);
			spc_unsupported(cmd, cdb, cdb_len);
			return;
		}
		mode_hdr->length	= sizeof (struct mode_format);
		mode_hdr->bdesc_length	= MODE_BLK_DESC_LENGTH;
		(void) sense_page3(d,
		    io->da_data + sizeof (*mode_hdr) + mode_hdr->bdesc_length);

		break;

	case MODE_SENSE_PAGE4_CODE:
		if ((d->d_heads == 0) && (d->d_cyl == 0) && (d->d_spt == 0)) {
			sbc_io_free(io);
			spc_unsupported(cmd, cdb, cdb_len);
			return;
		}
		mode_hdr->length	= sizeof (struct mode_geometry);
		mode_hdr->bdesc_length	= MODE_BLK_DESC_LENGTH;
		(void) sense_page4(d,
		    io->da_data + sizeof (*mode_hdr) + mode_hdr->bdesc_length);
		break;

	case MODE_SENSE_CACHE:
		mode_hdr->length	= sizeof (struct mode_cache_scsi3);
		mode_hdr->bdesc_length	= MODE_BLK_DESC_LENGTH;
		(void) sense_cache(d,
		    io->da_data + sizeof (*mode_hdr) + mode_hdr->bdesc_length);
		break;

	case MODE_SENSE_CONTROL:
		mode_hdr->length	= sizeof (struct mode_control_scsi3);
		mode_hdr->bdesc_length	= MODE_BLK_DESC_LENGTH;
		(void) sense_mode_control(cmd->c_lu,
		    io->da_data + sizeof (*mode_hdr) + mode_hdr->bdesc_length);
		break;

	case MODE_SENSE_INFO_CTRL:
		(void) sense_info_ctrl(io->da_data);
		break;

	case MODE_SENSE_SEND_ALL:
		/*
		 * SPC-3 revision 21c
		 * Section 6.9.1 Table 97
		 * "Return all subpage 00h mode pages in page_0 format"
		 */
		if (io->da_data_len < (sizeof (struct mode_format) +
		    sizeof (struct mode_geometry) +
		    sizeof (struct mode_control_scsi3) +
		    sizeof (struct mode_info_ctrl))) {

			/*
			 * Believe it or not, there's an initiator out
			 * there which sends a mode sense request for all
			 * of the pages, without always sending a data-in
			 * size which is large enough.
			 * NOTE: Need to check the error key returned
			 * here and see if something else should be used.
			 */
			spc_sense_create(cmd, KEY_ILLEGAL_REQUEST, 0);
			trans_send_complete(cmd, STATUS_CHECK);

		} else {

			/*
			 * If we don't have geometry then don't attempt
			 * report that information.
			 */
			if (d->d_heads && d->d_cyl && d->d_spt) {
				np = sense_page3(d, io->da_data);
				np = sense_page4(d, np);
			}
			np = sense_cache(d, np);
			np = sense_mode_control(cmd->c_lu, np);
			(void) sense_info_ctrl(np);

		}
		break;

	case 0x00:
		/*
		 * SPC-3 Revision 21c, section 6.9.1
		 * Table 97 -- Mode page code usage for all devices
		 * Page Code 00 == Vendor specific. We are going to return
		 *    zeros.
		 */
		break;

	default:
		queue_prt(mgmtq, Q_STE_ERRS,
		    "SBC%x  LUN%d Unsupported mode_sense request 0x%x",
		    cmd->c_lu->l_targ->s_targ_num, cmd->c_lu->l_common->l_num,
		    cdb[2]);
		spc_sense_create(cmd, KEY_ILLEGAL_REQUEST, 0);
		spc_sense_ascq(cmd, SPC_ASC_INVALID_CDB, 0x00);
		trans_send_complete(cmd, STATUS_CHECK);
		return;
		break;
	}

	if (trans_send_datain(cmd, io->da_data, cdb[4], 0, sbc_io_free,
	    True, io) == False) {
		trans_send_complete(cmd, STATUS_BUSY);
	}
}
コード例 #11
0
ファイル: t10_sbc.c プロジェクト: andreiw/polaris
/*ARGSUSED*/
void
sbc_recap(t10_cmd_t *cmd, uint8_t *cdb, size_t cdb_len)
{
	uint64_t			capacity;
	int				len;
	uint32_t			lba;
	struct scsi_capacity *cap;
	disk_params_t			*d;
	disk_io_t			*io;

	if ((d = (disk_params_t *)T10_PARAMS_AREA(cmd)) == NULL)
		return;

	capacity = d->d_size;

	len = sizeof (struct scsi_capacity);

	/*
	 * SBC-2 Revision 16, section 5.10.1
	 * Any of the following conditions will generate an error.
	 *    (1) PMI bit is zero and LOGICAL block address is non-zero
	 *    (2) Rserved bytes are not zero
	 *    (3) Reseved bits are not zero
	 *    (4) Reserved CONTROL bits are not zero
	 */
	if ((((cdb[8] & SBC_CAPACITY_PMI) == 0) &&
	    (cdb[2] || cdb[3] || cdb[4] || cdb[5])) ||
	    cdb[1] || cdb[6] || cdb[7] || (cdb[8] & ~SBC_CAPACITY_PMI) ||
	    SAM_CONTROL_BYTE_RESERVED(cdb[9])) {
		spc_sense_create(cmd, KEY_ILLEGAL_REQUEST, 0);
		spc_sense_ascq(cmd, SPC_ASC_INVALID_CDB, 0x00);
		trans_send_complete(cmd, STATUS_CHECK);
		return;
	}

	/*
	 * if the device capacity larger than 32 bits then set
	 * the capacity of the device to all 0xf's.
	 * a device that supports LBAs larger than 32 bits which
	 * should be used read_capacity(16) comand to get the capacity.
	 * NOTE: the adjustment to subject one from the capacity is
	 * done below.
	 */
	if (capacity & 0xFFFFFFFF00000000ULL)
		capacity = 0xFFFFFFFF;

	io = sbc_io_alloc(cmd);

	if ((cap = (struct scsi_capacity *)calloc(1, len)) == NULL) {
		sbc_io_free(io);
		trans_send_complete(cmd, STATUS_BUSY);
		return;
	}
	io->da_data		= (char *)cap;
	io->da_data_alloc	= True;
	io->da_clear_overlap	= False;
	io->da_data_len		= len;

	if (capacity != 0xFFFFFFFF) {
		/*
		 * Look at the PMI information
		 */
		if (cdb[8] & SBC_CAPACITY_PMI) {
			lba = cdb[2] << 24 | cdb[3] << 16 |
			    cdb[4] << 8 | cdb[5];
			if (lba >= capacity)
				cap->capacity = htonl(0xffffffff);
			else
				cap->capacity = (capacity - 1);
		} else {
			cap->capacity = htonl(capacity - 1);
		}
	} else {
		cap->capacity = htonl(capacity);
	}
	cap->lbasize = htonl(d->d_bytes_sect);

	if (trans_send_datain(cmd, io->da_data, io->da_data_len, 0,
	    sbc_io_free, True, io) == False) {
		trans_send_complete(cmd, STATUS_BUSY);
	}
}
コード例 #12
0
ファイル: t10_sbc.c プロジェクト: andreiw/polaris
/*ARGSUSED*/
static void
sbc_read_capacity16(t10_cmd_t *cmd, uint8_t *cdb, size_t cdb_len)
{
	uint64_t		capacity,
				lba;
	int			rep_size;	/* response data size */
	struct scsi_capacity_16	*cap16;
	disk_params_t		*d;
	disk_io_t		*io;

	if ((d = (disk_params_t *)T10_PARAMS_AREA(cmd)) == NULL)
		return;

	capacity = d->d_size;
	/*
	 * READ_CAPACITY(16) command
	 */
	rep_size = cdb[10] << 24 | cdb[11] << 16 | cdb[12] << 8 | cdb[13];
	if (rep_size == 0) {

		/*
		 * A zero length field means we're done.
		 */
		trans_send_complete(cmd, STATUS_GOOD);
		return;
	}
	rep_size = MIN(rep_size, sizeof (*cap16));

	/*
	 * Reserve bit checks.
	 */
	if ((cdb[1] & ~SPC_GROUP4_SERVICE_ACTION_MASK) ||
	    (cdb[14] & ~SBC_CAPACITY_PMI) ||
	    SAM_CONTROL_BYTE_RESERVED(cdb[15])) {
		spc_sense_create(cmd, KEY_ILLEGAL_REQUEST, 0);
		spc_sense_ascq(cmd, SPC_ASC_INVALID_CDB, 0x00);
		trans_send_complete(cmd, STATUS_CHECK);
		return;
	}

	lba = (uint64_t)cdb[2] << 56 | (uint64_t)cdb[3] << 48 |
		(uint64_t)cdb[4] << 40 | (uint64_t)cdb[5] << 32 |
		(uint64_t)cdb[6] << 24 | (uint64_t)cdb[7] << 16 |
		(uint64_t)cdb[8] << 8 | (uint64_t)cdb[9];

	io = sbc_io_alloc(cmd);

	/*
	 * We'll malloc enough space for the structure so that we can
	 * set the values as we place. However, we'll set the transfer
	 * length to the minimum of the requested size and our structure.
	 * This is per SBC-2 revision 16, section 5.11.1 regarding
	 * ALLOCATION LENGTH.
	 */
	if ((cap16 = (struct scsi_capacity_16 *)calloc(1, sizeof (*cap16))) ==
	    NULL) {
		trans_send_complete(cmd, STATUS_BUSY);
		return;
	}
	io->da_data		= (char *)cap16;
	io->da_data_len		= sizeof (*cap16);
	io->da_data_alloc	= True;
	io->da_clear_overlap	= False;

	if (cdb[14] & SBC_CAPACITY_PMI) {
		if (lba >= capacity)
			cap16->sc_capacity = htonll(0xffffffffffffffffULL);
		else
			cap16->sc_capacity = htonll(capacity - 1);
	} else {
		cap16->sc_capacity	= htonll(capacity - 1);
	}
	cap16->sc_lbasize	= htonl(d->d_bytes_sect);

	if (trans_send_datain(cmd, io->da_data, io->da_data_len, 0,
	    sbc_io_free, True, io) == False) {
		trans_send_complete(cmd, STATUS_BUSY);
	}
}