[mirror_qemu.git] / hw / char / sclpconsole-lm.c

/*
 * SCLP event types
 *    Operations Command - Line Mode input
 *    Message            - Line Mode output
 *
 * Copyright IBM, Corp. 2013
 *
 * Authors:
 *  Heinz Graalfs <graalfs@linux.vnet.ibm.com>
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or (at your
 * option) any later version.  See the COPYING file in the top-level directory.
 *
 */

#include "hw/qdev.h"
#include "qemu/thread.h"
#include "qemu/error-report.h"
#include "sysemu/char.h"

#include "hw/s390x/sclp.h"
#include "hw/s390x/event-facility.h"
#include "hw/s390x/ebcdic.h"

#define SIZE_BUFFER 4096
#define NEWLINE     "\n"

typedef struct OprtnsCommand {
    EventBufferHeader header;
    MDMSU message_unit;
    char data[0];
} QEMU_PACKED OprtnsCommand;

/* max size for line-mode data in 4K SCCB page */
#define SIZE_CONSOLE_BUFFER (SCCB_DATA_LEN - sizeof(OprtnsCommand))

typedef struct SCLPConsoleLM {
    SCLPEvent event;
    CharDriverState *chr;
    bool echo;                  /* immediate echo of input if true        */
    uint32_t write_errors;      /* errors writing to char layer           */
    uint32_t length;            /* length of byte stream in buffer        */
    uint8_t buf[SIZE_CONSOLE_BUFFER];
} SCLPConsoleLM;

/*
*  Character layer call-back functions
 *
 * Allow 1 character at a time
 *
 * Accumulate bytes from character layer in console buffer,
 * event_pending is set when a newline character is encountered
 *
 * The maximum command line length is limited by the maximum
 * space available in an SCCB. Line mode console input is sent
 * truncated to the guest in case it doesn't fit into the SCCB.
 */

static int chr_can_read(void *opaque)
{
    SCLPConsoleLM *scon = opaque;

    if (scon->event.event_pending) {
        return 0;
    }
    return 1;
}

static void chr_read(void *opaque, const uint8_t *buf, int size)
{
    SCLPConsoleLM *scon = opaque;

    assert(size == 1);

    if (*buf == '\r' || *buf == '\n') {
        scon->event.event_pending = true;
        sclp_service_interrupt(0);
        return;
    }
    if (scon->length == SIZE_CONSOLE_BUFFER) {
        /* Eat the character, but still process CR and LF.  */
        return;
    }
    scon->buf[scon->length] = *buf;
    scon->length += 1;
    if (scon->echo) {
        qemu_chr_fe_write(scon->chr, buf, size);
    }
}

/* functions to be called by event facility */

static bool can_handle_event(uint8_t type)
{
    return type == SCLP_EVENT_MESSAGE || type == SCLP_EVENT_PMSGCMD;
}

static unsigned int send_mask(void)
{
    return SCLP_EVENT_MASK_OP_CMD | SCLP_EVENT_MASK_PMSGCMD;
}

static unsigned int receive_mask(void)
{
    return SCLP_EVENT_MASK_MSG | SCLP_EVENT_MASK_PMSGCMD;
}

/*
 * Triggered by SCLP's read_event_data
 * - convert ASCII byte stream to EBCDIC and
 * - copy converted data into provided (SCLP) buffer
 */
static int get_console_data(SCLPEvent *event, uint8_t *buf, size_t *size,
                            int avail)
{
    int len;

    SCLPConsoleLM *cons = DO_UPCAST(SCLPConsoleLM, event, event);

    len = cons->length;
    /* data need to fit into provided SCLP buffer */
    if (len > avail) {
        return 1;
    }

    ebcdic_put(buf, (char *)&cons->buf, len);
    *size = len;
    cons->length = 0;
    /* data provided and no more data pending */
    event->event_pending = false;
    return 0;
}

static int read_event_data(SCLPEvent *event, EventBufferHeader *evt_buf_hdr,
                           int *slen)
{
    int avail, rc;
    size_t src_len;
    uint8_t *to;
    OprtnsCommand *oc = (OprtnsCommand *) evt_buf_hdr;

    if (!event->event_pending) {
        /* no data pending */
        return 0;
    }

    to = (uint8_t *)&oc->data;
    avail = *slen - sizeof(OprtnsCommand);
    rc = get_console_data(event, to, &src_len, avail);
    if (rc) {
        /* data didn't fit, try next SCCB */
        return 1;
    }

    oc->message_unit.mdmsu.gds_id = GDS_ID_MDSMU;
    oc->message_unit.mdmsu.length = cpu_to_be16(sizeof(struct MDMSU));

    oc->message_unit.cpmsu.gds_id = GDS_ID_CPMSU;
    oc->message_unit.cpmsu.length =
        cpu_to_be16(sizeof(struct MDMSU) - sizeof(GdsVector));

    oc->message_unit.text_command.gds_id = GDS_ID_TEXTCMD;
    oc->message_unit.text_command.length =
        cpu_to_be16(sizeof(struct MDMSU) - (2 * sizeof(GdsVector)));

    oc->message_unit.self_def_text_message.key = GDS_KEY_SELFDEFTEXTMSG;
    oc->message_unit.self_def_text_message.length =
        cpu_to_be16(sizeof(struct MDMSU) - (3 * sizeof(GdsVector)));

    oc->message_unit.text_message.key = GDS_KEY_TEXTMSG;
    oc->message_unit.text_message.length =
        cpu_to_be16(sizeof(GdsSubvector) + src_len);

    oc->header.length = cpu_to_be16(sizeof(OprtnsCommand) + src_len);
    oc->header.type = SCLP_EVENT_OPRTNS_COMMAND;
    *slen = avail - src_len;

    return 1;
}

/*
 * Triggered by SCLP's write_event_data
 *  - write console data to character layer
 *  returns < 0 if an error occurred
 */
static int write_console_data(SCLPEvent *event, const uint8_t *buf, int len)
{
    int ret = 0;
    const uint8_t *buf_offset;

    SCLPConsoleLM *scon = DO_UPCAST(SCLPConsoleLM, event, event);

    if (!scon->chr) {
        /* If there's no backend, we can just say we consumed all data. */
        return len;
    }

    buf_offset = buf;
    while (len > 0) {
        ret = qemu_chr_fe_write(scon->chr, buf, len);
        if (ret == 0) {
            /* a pty doesn't seem to be connected - no error */
            len = 0;
        } else if (ret == -EAGAIN || (ret > 0 && ret < len)) {
            len -= ret;
            buf_offset += ret;
        } else {
            len = 0;
        }
    }

    return ret;
}

static int process_mdb(SCLPEvent *event, MDBO *mdbo)
{
    int rc;
    int len;
    uint8_t buffer[SIZE_BUFFER];

    len = be16_to_cpu(mdbo->length);
    len -= sizeof(mdbo->length) + sizeof(mdbo->type)
            + sizeof(mdbo->mto.line_type_flags)
            + sizeof(mdbo->mto.alarm_control)
            + sizeof(mdbo->mto._reserved);

    assert(len <= SIZE_BUFFER);

    /* convert EBCDIC SCLP contents to ASCII console message */
    ascii_put(buffer, mdbo->mto.message, len);
    rc = write_console_data(event, (uint8_t *)NEWLINE, 1);
    if (rc < 0) {
        return rc;
    }
    return write_console_data(event, buffer, len);
}

static int write_event_data(SCLPEvent *event, EventBufferHeader *ebh)
{
    int len;
    int written;
    int errors = 0;
    MDBO *mdbo;
    SclpMsg *data = (SclpMsg *) ebh;
    SCLPConsoleLM *scon = DO_UPCAST(SCLPConsoleLM, event, event);

    len = be16_to_cpu(data->mdb.header.length);
    if (len < sizeof(data->mdb.header)) {
        return SCLP_RC_INCONSISTENT_LENGTHS;
    }
    len -= sizeof(data->mdb.header);

    /* first check message buffers */
    mdbo = data->mdb.mdbo;
    while (len > 0) {
        if (be16_to_cpu(mdbo->length) > len
                || be16_to_cpu(mdbo->length) == 0) {
            return SCLP_RC_INCONSISTENT_LENGTHS;
        }
        len -= be16_to_cpu(mdbo->length);
        mdbo = (void *) mdbo + be16_to_cpu(mdbo->length);
    }

    /* then execute */
    len = be16_to_cpu(data->mdb.header.length) - sizeof(data->mdb.header);
    mdbo = data->mdb.mdbo;
    while (len > 0) {
        switch (be16_to_cpu(mdbo->type)) {
        case MESSAGE_TEXT:
            /* message text object */
            written = process_mdb(event, mdbo);
            if (written < 0) {
                /* character layer error */
                errors++;
            }
            break;
        default: /* ignore */
            break;
        }
        len -= be16_to_cpu(mdbo->length);
        mdbo = (void *) mdbo + be16_to_cpu(mdbo->length);
    }
    if (errors) {
        scon->write_errors += errors;
    }
    data->header.flags = SCLP_EVENT_BUFFER_ACCEPTED;

    return SCLP_RC_NORMAL_COMPLETION;
}

/* functions for live migration */

static const VMStateDescription vmstate_sclplmconsole = {
    .name = "sclplmconsole",
    .version_id = 0,
    .minimum_version_id = 0,
    .fields = (VMStateField[]) {
        VMSTATE_BOOL(event.event_pending, SCLPConsoleLM),
        VMSTATE_UINT32(write_errors, SCLPConsoleLM),
        VMSTATE_UINT32(length, SCLPConsoleLM),
        VMSTATE_UINT8_ARRAY(buf, SCLPConsoleLM, SIZE_CONSOLE_BUFFER),
        VMSTATE_END_OF_LIST()
     }
};

/* qemu object creation and initialization functions */

/* tell character layer our call-back functions */

static int console_init(SCLPEvent *event)
{
    static bool console_available;

    SCLPConsoleLM *scon = DO_UPCAST(SCLPConsoleLM, event, event);

    if (console_available) {
        error_report("Multiple line-mode operator consoles are not supported");
        return -1;
    }
    console_available = true;

    if (scon->chr) {
        qemu_chr_add_handlers(scon->chr, chr_can_read, chr_read, NULL, scon);
    }

    return 0;
}

static int console_exit(SCLPEvent *event)
{
    return 0;
}

static void console_reset(DeviceState *dev)
{
   SCLPEvent *event = SCLP_EVENT(dev);
   SCLPConsoleLM *scon = DO_UPCAST(SCLPConsoleLM, event, event);

   event->event_pending = false;
   scon->length = 0;
   scon->write_errors = 0;
}

static Property console_properties[] = {
    DEFINE_PROP_CHR("chardev", SCLPConsoleLM, chr),
    DEFINE_PROP_UINT32("write_errors", SCLPConsoleLM, write_errors, 0),
    DEFINE_PROP_BOOL("echo", SCLPConsoleLM, echo, true),
    DEFINE_PROP_END_OF_LIST(),
};

static void console_class_init(ObjectClass *klass, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(klass);
    SCLPEventClass *ec = SCLP_EVENT_CLASS(klass);

    dc->props = console_properties;
    dc->reset = console_reset;
    dc->vmsd = &vmstate_sclplmconsole;
    ec->init = console_init;
    ec->exit = console_exit;
    ec->get_send_mask = send_mask;
    ec->get_receive_mask = receive_mask;
    ec->can_handle_event = can_handle_event;
    ec->read_event_data = read_event_data;
    ec->write_event_data = write_event_data;
}

static const TypeInfo sclp_console_info = {
    .name          = "sclplmconsole",
    .parent        = TYPE_SCLP_EVENT,
    .instance_size = sizeof(SCLPConsoleLM),
    .class_init    = console_class_init,
    .class_size    = sizeof(SCLPEventClass),
};

static void register_types(void)
{
    type_register_static(&sclp_console_info);
}

type_init(register_types)
Commit	Line	Data
6a444f85 HG	1	/*
	2	* SCLP event types
	3	* Operations Command - Line Mode input
	4	* Message - Line Mode output
	5	*
	6	* Copyright IBM, Corp. 2013
	7	*
	8	* Authors:
	9	* Heinz Graalfs <graalfs@linux.vnet.ibm.com>
	10	*
	11	* This work is licensed under the terms of the GNU GPL, version 2 or (at your
	12	* option) any later version. See the COPYING file in the top-level directory.
	13	*
	14	*/
	15
	16	#include "hw/qdev.h"
	17	#include "qemu/thread.h"
	18	#include "qemu/error-report.h"
	19	#include "sysemu/char.h"
	20
	21	#include "hw/s390x/sclp.h"
	22	#include "hw/s390x/event-facility.h"
	23	#include "hw/s390x/ebcdic.h"
	24
	25	#define SIZE_BUFFER 4096
	26	#define NEWLINE "\n"
	27
	28	typedef struct OprtnsCommand {
	29	EventBufferHeader header;
	30	MDMSU message_unit;
	31	char data[0];
	32	} QEMU_PACKED OprtnsCommand;
	33
	34	/* max size for line-mode data in 4K SCCB page */
	35	#define SIZE_CONSOLE_BUFFER (SCCB_DATA_LEN - sizeof(OprtnsCommand))
	36
	37	typedef struct SCLPConsoleLM {
	38	SCLPEvent event;
	39	CharDriverState *chr;
	40	bool echo; /* immediate echo of input if true */
	41	uint32_t write_errors; /* errors writing to char layer */
	42	uint32_t length; /* length of byte stream in buffer */
	43	uint8_t buf[SIZE_CONSOLE_BUFFER];
6a444f85 HG	44	} SCLPConsoleLM;
	45
	46	/*
	47	* Character layer call-back functions
	48	*
	49	* Allow 1 character at a time
	50	*
	51	* Accumulate bytes from character layer in console buffer,
	52	* event_pending is set when a newline character is encountered
	53	*
	54	* The maximum command line length is limited by the maximum
b3191432 HG	55	* space available in an SCCB. Line mode console input is sent
b3191432 HG	56	* truncated to the guest in case it doesn't fit into the SCCB.
6a444f85 HG	57	*/
	58
	59	static int chr_can_read(void *opaque)
	60	{
	61	SCLPConsoleLM *scon = opaque;
	62
	63	if (scon->event.event_pending) {
	64	return 0;
6a444f85	65	}
b3191432	66	return 1;
6a444f85 HG	67	}
6a444f85 HG	68
4f3ed190	69	static void chr_read(void opaque, const uint8_t buf, int size)
6a444f85	70	{
4f3ed190 CB	71	SCLPConsoleLM *scon = opaque;
4f3ed190 CB	72
6a444f85 HG	73	assert(size == 1);
	74
	75	if (buf == '\r' \|\| buf == '\n') {
	76	scon->event.event_pending = true;
4f3ed190	77	sclp_service_interrupt(0);
6a444f85 HG	78	return;
6a444f85 HG	79	}
b3191432 HG	80	if (scon->length == SIZE_CONSOLE_BUFFER) {
	81	/* Eat the character, but still process CR and LF. */
	82	return;
	83	}
6a444f85 HG	84	scon->buf[scon->length] = *buf;
	85	scon->length += 1;
	86	if (scon->echo) {
	87	qemu_chr_fe_write(scon->chr, buf, size);
	88	}
	89	}
	90
6a444f85 HG	91	/* functions to be called by event facility */
	92
	93	static bool can_handle_event(uint8_t type)
	94	{
	95	return type == SCLP_EVENT_MESSAGE \|\| type == SCLP_EVENT_PMSGCMD;
	96	}
	97
	98	static unsigned int send_mask(void)
	99	{
	100	return SCLP_EVENT_MASK_OP_CMD \| SCLP_EVENT_MASK_PMSGCMD;
	101	}
	102
	103	static unsigned int receive_mask(void)
	104	{
	105	return SCLP_EVENT_MASK_MSG \| SCLP_EVENT_MASK_PMSGCMD;
	106	}
	107
	108	/*
	109	* Triggered by SCLP's read_event_data
	110	* - convert ASCII byte stream to EBCDIC and
	111	* - copy converted data into provided (SCLP) buffer
	112	*/
	113	static int get_console_data(SCLPEvent event, uint8_t buf, size_t *size,
	114	int avail)
	115	{
	116	int len;
	117
	118	SCLPConsoleLM *cons = DO_UPCAST(SCLPConsoleLM, event, event);
	119
	120	len = cons->length;
	121	/* data need to fit into provided SCLP buffer */
	122	if (len > avail) {
	123	return 1;
	124	}
	125
	126	ebcdic_put(buf, (char *)&cons->buf, len);
	127	*size = len;
	128	cons->length = 0;
	129	/* data provided and no more data pending */
	130	event->event_pending = false;
	131	return 0;
	132	}
	133
	134	static int read_event_data(SCLPEvent event, EventBufferHeader evt_buf_hdr,
	135	int *slen)
	136	{
	137	int avail, rc;
	138	size_t src_len;
	139	uint8_t *to;
	140	OprtnsCommand oc = (OprtnsCommand ) evt_buf_hdr;
	141
	142	if (!event->event_pending) {
	143	/* no data pending */
	144	return 0;
	145	}
	146
	147	to = (uint8_t *)&oc->data;
	148	avail = *slen - sizeof(OprtnsCommand);
	149	rc = get_console_data(event, to, &src_len, avail);
	150	if (rc) {
	151	/* data didn't fit, try next SCCB */
	152	return 1;
	153	}
	154
155	oc->message_unit.mdmsu.gds_id = GDS_ID_MDSMU;
156	oc->message_unit.mdmsu.length = cpu_to_be16(sizeof(struct MDMSU));
157
158	oc->message_unit.cpmsu.gds_id = GDS_ID_CPMSU;
159	oc->message_unit.cpmsu.length =
160	cpu_to_be16(sizeof(struct MDMSU) - sizeof(GdsVector));
161
162	oc->message_unit.text_command.gds_id = GDS_ID_TEXTCMD;
163	oc->message_unit.text_command.length =
164	cpu_to_be16(sizeof(struct MDMSU) - (2 * sizeof(GdsVector)));
165
166	oc->message_unit.self_def_text_message.key = GDS_KEY_SELFDEFTEXTMSG;
167	oc->message_unit.self_def_text_message.length =
168	cpu_to_be16(sizeof(struct MDMSU) - (3 * sizeof(GdsVector)));
169
170	oc->message_unit.text_message.key = GDS_KEY_TEXTMSG;
171	oc->message_unit.text_message.length =
172	cpu_to_be16(sizeof(GdsSubvector) + src_len);
173
174	oc->header.length = cpu_to_be16(sizeof(OprtnsCommand) + src_len);
175	oc->header.type = SCLP_EVENT_OPRTNS_COMMAND;
176	*slen = avail - src_len;
177
178	return 1;
179	}
180
181	/*
182	* Triggered by SCLP's write_event_data
183	* - write console data to character layer
184	* returns < 0 if an error occurred
185	*/
186	static int write_console_data(SCLPEvent event, const uint8_t buf, int len)
187	{
188	int ret = 0;
189	const uint8_t *buf_offset;
190
191	SCLPConsoleLM *scon = DO_UPCAST(SCLPConsoleLM, event, event);
192
193	if (!scon->chr) {
194	/* If there's no backend, we can just say we consumed all data. */
195	return len;
196	}
197
198	buf_offset = buf;
199	while (len > 0) {
200	ret = qemu_chr_fe_write(scon->chr, buf, len);
201	if (ret == 0) {
202	/* a pty doesn't seem to be connected - no error */
203	len = 0;
204	} else if (ret == -EAGAIN \|\| (ret > 0 && ret < len)) {
205	len -= ret;
206	buf_offset += ret;
207	} else {
208	len = 0;
209	}
210	}
211
212	return ret;
213	}
214
215	static int process_mdb(SCLPEvent event, MDBO mdbo)
216	{
217	int rc;
218	int len;
219	uint8_t buffer[SIZE_BUFFER];
220
221	len = be16_to_cpu(mdbo->length);
222	len -= sizeof(mdbo->length) + sizeof(mdbo->type)
223	+ sizeof(mdbo->mto.line_type_flags)
224	+ sizeof(mdbo->mto.alarm_control)
225	+ sizeof(mdbo->mto._reserved);
226
227	assert(len <= SIZE_BUFFER);
228
229	/* convert EBCDIC SCLP contents to ASCII console message */
230	ascii_put(buffer, mdbo->mto.message, len);
231	rc = write_console_data(event, (uint8_t *)NEWLINE, 1);
232	if (rc < 0) {
233	return rc;
234	}
235	return write_console_data(event, buffer, len);
236	}
237
238	static int write_event_data(SCLPEvent event, EventBufferHeader ebh)
239	{
240	int len;
241	int written;
242	int errors = 0;
243	MDBO *mdbo;
244	SclpMsg data = (SclpMsg ) ebh;
245	SCLPConsoleLM *scon = DO_UPCAST(SCLPConsoleLM, event, event);
246
247	len = be16_to_cpu(data->mdb.header.length);
248	if (len < sizeof(data->mdb.header)) {
249	return SCLP_RC_INCONSISTENT_LENGTHS;
250	}
251	len -= sizeof(data->mdb.header);
252
253	/* first check message buffers */
254	mdbo = data->mdb.mdbo;
255	while (len > 0) {
256	if (be16_to_cpu(mdbo->length) > len
257	\|\| be16_to_cpu(mdbo->length) == 0) {
258	return SCLP_RC_INCONSISTENT_LENGTHS;
259	}
260	len -= be16_to_cpu(mdbo->length);
261	mdbo = (void *) mdbo + be16_to_cpu(mdbo->length);
262	}
263
264	/* then execute */
265	len = be16_to_cpu(data->mdb.header.length) - sizeof(data->mdb.header);
266	mdbo = data->mdb.mdbo;
267	while (len > 0) {
268	switch (be16_to_cpu(mdbo->type)) {
269	case MESSAGE_TEXT:
270	/* message text object */
271	written = process_mdb(event, mdbo);
272	if (written < 0) {
273	/* character layer error */
274	errors++;
275	}
276	break;
277	default: /* ignore */
278	break;
279	}
280	len -= be16_to_cpu(mdbo->length);
281	mdbo = (void *) mdbo + be16_to_cpu(mdbo->length);
282	}
283	if (errors) {
284	scon->write_errors += errors;
285	}
286	data->header.flags = SCLP_EVENT_BUFFER_ACCEPTED;
287
288	return SCLP_RC_NORMAL_COMPLETION;
289	}
290
6a444f85 HG	291	/* functions for live migration */
	292
	293	static const VMStateDescription vmstate_sclplmconsole = {
	294	.name = "sclplmconsole",
	295	.version_id = 0,
	296	.minimum_version_id = 0,
35d08458	297	.fields = (VMStateField[]) {
6a444f85 HG	298	VMSTATE_BOOL(event.event_pending, SCLPConsoleLM),
	299	VMSTATE_UINT32(write_errors, SCLPConsoleLM),
	300	VMSTATE_UINT32(length, SCLPConsoleLM),
	301	VMSTATE_UINT8_ARRAY(buf, SCLPConsoleLM, SIZE_CONSOLE_BUFFER),
	302	VMSTATE_END_OF_LIST()
	303	}
	304	};
	305
	306	/* qemu object creation and initialization functions */
	307
	308	/* tell character layer our call-back functions */
	309
	310	static int console_init(SCLPEvent *event)
	311	{
	312	static bool console_available;
	313
	314	SCLPConsoleLM *scon = DO_UPCAST(SCLPConsoleLM, event, event);
	315
	316	if (console_available) {
	317	error_report("Multiple line-mode operator consoles are not supported");
	318	return -1;
	319	}
	320	console_available = true;
	321
	322	if (scon->chr) {
	323	qemu_chr_add_handlers(scon->chr, chr_can_read, chr_read, NULL, scon);
	324	}
6a444f85 HG	325
	326	return 0;
	327	}
	328
	329	static int console_exit(SCLPEvent *event)
	330	{
	331	return 0;
	332	}
	333
	334	static void console_reset(DeviceState *dev)
	335	{
	336	SCLPEvent *event = SCLP_EVENT(dev);
	337	SCLPConsoleLM *scon = DO_UPCAST(SCLPConsoleLM, event, event);
	338
	339	event->event_pending = false;
	340	scon->length = 0;
	341	scon->write_errors = 0;
	342	}
	343
	344	static Property console_properties[] = {
	345	DEFINE_PROP_CHR("chardev", SCLPConsoleLM, chr),
	346	DEFINE_PROP_UINT32("write_errors", SCLPConsoleLM, write_errors, 0),
	347	DEFINE_PROP_BOOL("echo", SCLPConsoleLM, echo, true),
	348	DEFINE_PROP_END_OF_LIST(),
	349	};
	350
	351	static void console_class_init(ObjectClass klass, void data)
	352	{
	353	DeviceClass *dc = DEVICE_CLASS(klass);
	354	SCLPEventClass *ec = SCLP_EVENT_CLASS(klass);
	355
	356	dc->props = console_properties;
	357	dc->reset = console_reset;
	358	dc->vmsd = &vmstate_sclplmconsole;
	359	ec->init = console_init;
	360	ec->exit = console_exit;
	361	ec->get_send_mask = send_mask;
	362	ec->get_receive_mask = receive_mask;
	363	ec->can_handle_event = can_handle_event;
	364	ec->read_event_data = read_event_data;
	365	ec->write_event_data = write_event_data;
	366	}
	367
	368	static const TypeInfo sclp_console_info = {
	369	.name = "sclplmconsole",
	370	.parent = TYPE_SCLP_EVENT,
	371	.instance_size = sizeof(SCLPConsoleLM),
	372	.class_init = console_class_init,
	373	.class_size = sizeof(SCLPEventClass),
	374	};
	375
	376	static void register_types(void)
	377	{
	378	type_register_static(&sclp_console_info);
	379	}
	380
	381	type_init(register_types)