Function execscsicmd_direct

src/blkdev.cpp:2295–2353

}

static int execscsicmd_direct (int unitnum, int type, struct amigascsi *as)
{
	int io_error = 0;
	uae_u8 *scsi_datap, *scsi_datap_org;
	uae_u32 scsi_cmd_len_orig = as->cmd_len;
	uae_u8 cmd[16] = { 0 };
	uae_u8 replydata[256] = { 0 };
	int datalen = as->len;
	int senselen = as->sense_len;
	int replylen = 0;

	memcpy (cmd, as->cmd, as->cmd_len);
	scsi_datap = scsi_datap_org = as->len ? as->data : 0;
	if (as->sense_len > 32)
		as->sense_len = 32;

	/* never report media change state if uaescsi.device */
	state[unitnum].mediawaschanged = false;

	switch (type)
	{
		case INQ_ROMD:
		as->status = scsi_cd_emulate (unitnum, cmd, as->cmd_len, scsi_datap, &datalen, replydata, &replylen, as->sensedata, &senselen, false);
		break;
		case INQ_SEQD:
		as->status = scsi_tape_emulate (state[unitnum].tape, cmd, as->cmd_len, scsi_datap, &datalen, replydata, &replylen, as->sensedata, &senselen);
		break;
		default:
		as->status = 2;
		break;
	}

	as->cmdactual = as->status != 0 ? 0 : as->cmd_len; /* fake scsi_CmdActual */
	if (as->status) {
		io_error = IOERR_BadStatus;
		as->sactual = senselen;
		as->actual = 0; /* scsi_Actual */
	} else {
		int i;
		if (replylen > 0) {
			for (int i = 0; i < replylen; i++) {
				scsi_datap[i] = replydata[i];
			}
			datalen = replylen;
		}
		for (i = 0; i < as->sense_len; i++)
			as->sensedata[i] = 0;
		if (datalen < 0) {
			io_error = IOERR_NotSpecified;
			as->actual = 0; /* scsi_Actual */
		} else {
			as->len = datalen;
			io_error = 0;
			as->actual = as->len; /* scsi_Actual */
		}
	}

	return io_error;