03831d35f7499c87d51205817c93e9a8d42c4baestevel * CDDL HEADER START
03831d35f7499c87d51205817c93e9a8d42c4baestevel * The contents of this file are subject to the terms of the
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Common Development and Distribution License (the "License").
03831d35f7499c87d51205817c93e9a8d42c4baestevel * You may not use this file except in compliance with the License.
03831d35f7499c87d51205817c93e9a8d42c4baestevel * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
03831d35f7499c87d51205817c93e9a8d42c4baestevel * See the License for the specific language governing permissions
03831d35f7499c87d51205817c93e9a8d42c4baestevel * and limitations under the License.
03831d35f7499c87d51205817c93e9a8d42c4baestevel * When distributing Covered Code, include this CDDL HEADER in each
03831d35f7499c87d51205817c93e9a8d42c4baestevel * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
03831d35f7499c87d51205817c93e9a8d42c4baestevel * If applicable, add the following below this CDDL HEADER, with the
03831d35f7499c87d51205817c93e9a8d42c4baestevel * fields enclosed by brackets "[]" replaced with your own identifying
03831d35f7499c87d51205817c93e9a8d42c4baestevel * information: Portions Copyright [yyyy] [name of copyright owner]
03831d35f7499c87d51205817c93e9a8d42c4baestevel * CDDL HEADER END
07d06da50d310a325b457d6330165aebab1e0064Surya Prakki * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Use is subject to license terms.
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Serengeti console driver, see sys/sgcn.h for more information
03831d35f7499c87d51205817c93e9a8d42c4baestevel * This driver uses the QPAIR form of STREAMS Perimeters to serialize access
03831d35f7499c87d51205817c93e9a8d42c4baestevel * to the read and write STREAMS queues.
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Here we define several macros for accessing console IOSRAM
03831d35f7499c87d51205817c93e9a8d42c4baestevel#define OFFSETOF(base, field) ((caddr_t)&base.field - (caddr_t)&base)
03831d35f7499c87d51205817c93e9a8d42c4baestevel#define CONSOLE_READ(buf, len) sgcn_rw(RW_CONSOLE_READ, buf, len)
03831d35f7499c87d51205817c93e9a8d42c4baestevel#define CONSOLE_WRITE(buf, len) sgcn_rw(RW_CONSOLE_WRITE, buf, len)
03831d35f7499c87d51205817c93e9a8d42c4baestevel/* dev_ops and cb_ops for device driver */
03831d35f7499c87d51205817c93e9a8d42c4baestevelstatic int sgcn_getinfo(dev_info_t *, ddi_info_cmd_t, void *, void **);
03831d35f7499c87d51205817c93e9a8d42c4baestevelstatic int sgcn_attach(dev_info_t *, ddi_attach_cmd_t);
03831d35f7499c87d51205817c93e9a8d42c4baestevelstatic int sgcn_detach(dev_info_t *, ddi_detach_cmd_t);
03831d35f7499c87d51205817c93e9a8d42c4baestevelstatic int sgcn_open(queue_t *, dev_t *, int, int, cred_t *);
03831d35f7499c87d51205817c93e9a8d42c4baestevel/* interrupt handlers */
03831d35f7499c87d51205817c93e9a8d42c4baestevel/* other internal sgcn routines */
03831d35f7499c87d51205817c93e9a8d42c4baestevelstatic void sgcn_reioctl(void *);
03831d35f7499c87d51205817c93e9a8d42c4baestevelstatic void sgcn_start(void);
03831d35f7499c87d51205817c93e9a8d42c4baestevelstatic void sgcn_flush(void);
03831d35f7499c87d51205817c93e9a8d42c4baestevelstatic void sgcn_log_error(int, int);
03831d35f7499c87d51205817c93e9a8d42c4baestevel/* circular buffer routines */
03831d35f7499c87d51205817c93e9a8d42c4baestevelstatic int circular_buffer_write(int, int, int, int, caddr_t, int);
03831d35f7499c87d51205817c93e9a8d42c4baestevelstatic int circular_buffer_read(int, int, int, int, caddr_t, int);
03831d35f7499c87d51205817c93e9a8d42c4baestevelstatic void sg_abort_seq_handler(char *);
03831d35f7499c87d51205817c93e9a8d42c4baestevelstatic int sgcn_timeout_period = 20; /* time out in seconds */
03831d35f7499c87d51205817c93e9a8d42c4baestevel/* streams structures */
03831d35f7499c87d51205817c93e9a8d42c4baestevel 0, /* mi_minpsz */
03831d35f7499c87d51205817c93e9a8d42c4baestevel/* standard device driver structures */
03831d35f7499c87d51205817c93e9a8d42c4baestevel 0, /* refcnt */
193974072f41a843678abf5f61979c748687e66bSherry Moore "Serengeti console driver",
03831d35f7499c87d51205817c93e9a8d42c4baestevel/* driver configuration routines */
03831d35f7499c87d51205817c93e9a8d42c4baestevel if (error == 0) {
03831d35f7499c87d51205817c93e9a8d42c4baestevel mutex_init(&sgcn_state->sgcn_lock, NULL, MUTEX_DRIVER, NULL);
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* can't remove console driver */
03831d35f7499c87d51205817c93e9a8d42c4baestevel * sgcn_attach is called at startup time.
03831d35f7499c87d51205817c93e9a8d42c4baestevel * There is only once instance of this driver.
03831d35f7499c87d51205817c93e9a8d42c4baestevel if (ddi_create_internal_pathname(dip, "sgcn", S_IFCHR, 0)
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* prepare some data structures in soft state */
03831d35f7499c87d51205817c93e9a8d42c4baestevel * We need to verify IOSRAM is intact at startup time. If by
03831d35f7499c87d51205817c93e9a8d42c4baestevel * any chance IOSRAM is corrupted, that means SC is not ready.
03831d35f7499c87d51205817c93e9a8d42c4baestevel * All we can do is stopping.
03831d35f7499c87d51205817c93e9a8d42c4baestevel rv = iosram_read(SBBC_CONSOLE_KEY, 0, (caddr_t)&header,
03831d35f7499c87d51205817c93e9a8d42c4baestevel cmn_err(CE_PANIC, "sgcn_attach(): Reading from IOSRAM failed");
03831d35f7499c87d51205817c93e9a8d42c4baestevel cmn_err(CE_PANIC, "sgcn_attach(): Wrong IOSRAM console buffer");
03831d35f7499c87d51205817c93e9a8d42c4baestevel if (!header.cnsram_in_end && !header.cnsram_in_begin)
03831d35f7499c87d51205817c93e9a8d42c4baestevel cmn_err(CE_PANIC, "sgcn_attach(): Wrong IOSRAM input buffer");
03831d35f7499c87d51205817c93e9a8d42c4baestevel if (!header.cnsram_out_end && !header.cnsram_out_begin)
03831d35f7499c87d51205817c93e9a8d42c4baestevel cmn_err(CE_PANIC, "sgcn_attach(): Wrong IOSRAM output buffer");
03831d35f7499c87d51205817c93e9a8d42c4baestevel * XXX need to add extra check for version no.
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* Allocate console input buffer */
193974072f41a843678abf5f61979c748687e66bSherry Moore kmem_alloc(sgcn_state->sgcn_inbuf_size, KM_SLEEP);
03831d35f7499c87d51205817c93e9a8d42c4baestevel prom_printf("Allocated %d(0x%X) bytes for console\n",
03831d35f7499c87d51205817c93e9a8d42c4baestevel (void) prom_serengeti_set_console_input(SGCN_CLNT_STR);
03831d35f7499c87d51205817c93e9a8d42c4baestevel prom_printf("sgcn_attach(): SGCN driver attached\n");
03831d35f7499c87d51205817c93e9a8d42c4baestevel/* ARGSUSED */
03831d35f7499c87d51205817c93e9a8d42c4baestevel prom_printf("sgcn_detach(): SGCN driver detached\n");
03831d35f7499c87d51205817c93e9a8d42c4baestevel/* ARGSUSED */
03831d35f7499c87d51205817c93e9a8d42c4baestevelsgcn_getinfo(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result)
03831d35f7499c87d51205817c93e9a8d42c4baestevel *result = (void *)0;
03831d35f7499c87d51205817c93e9a8d42c4baestevel/* streams open & close */
03831d35f7499c87d51205817c93e9a8d42c4baestevel/* ARGSUSED */
03831d35f7499c87d51205817c93e9a8d42c4baestevelsgcn_open(queue_t *q, dev_t *devp, int oflag, int sflag, cred_t *credp)
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* stream already open */
03831d35f7499c87d51205817c93e9a8d42c4baestevel cmn_err(CE_WARN, "sgcn_open(): sgcn is not configured by\
03831d35f7499c87d51205817c93e9a8d42c4baestevel autoconfig\n");
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* Link the RD and WR Q's */
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* initialize interrupt handler */
03831d35f7499c87d51205817c93e9a8d42c4baestevel/* ARGSUSED */
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Put procedure for write queue.
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Respond to M_IOCTL, M_DATA and M_FLUSH messages here;
03831d35f7499c87d51205817c93e9a8d42c4baestevel * It put's the data onto internal sgcn_output_q.
03831d35f7499c87d51205817c93e9a8d42c4baestevel prom_printf("sgcn_wput(): SGCN wput q=%X mp=%X rd=%X wr=%X type=%X\n",
193974072f41a843678abf5f61979c748687e66bSherry Moore q, mp, mp->b_rptr, mp->b_wptr, mp->b_datap->db_type);
03831d35f7499c87d51205817c93e9a8d42c4baestevel * The change do not take effect until all
03831d35f7499c87d51205817c93e9a8d42c4baestevel * output queued before them is drained.
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Put this message on the queue, so that
03831d35f7499c87d51205817c93e9a8d42c4baestevel * "sgcn_start" will see it when it's done
03831d35f7499c87d51205817c93e9a8d42c4baestevel * with the output before it. Poke the start
03831d35f7499c87d51205817c93e9a8d42c4baestevel * routine, just in case.
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Queue the message up to be transmitted,
03831d35f7499c87d51205817c93e9a8d42c4baestevel * and poke the start routine.
03831d35f7499c87d51205817c93e9a8d42c4baestevel prom_printf("sgcn_wput(): DATA q=%X mp=%X rd=%X wr=%X\n",
03831d35f7499c87d51205817c93e9a8d42c4baestevel#endif /* SGCN_DEBUG */
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (0);
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Process an "ioctl" message sent down to us.
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* call sgcn_reioctl() */
193974072f41a843678abf5f61979c748687e66bSherry Moore bufcall(data_size, BPRI_HI, sgcn_reioctl, sgcn_state);
03831d35f7499c87d51205817c93e9a8d42c4baestevel * "ttycommon_ioctl" didn't do anything; we process it here.
03831d35f7499c87d51205817c93e9a8d42c4baestevel if (error != 0) {
03831d35f7499c87d51205817c93e9a8d42c4baestevel * read stream queue and remove data from the queue and
03831d35f7499c87d51205817c93e9a8d42c4baestevel * transmit them if possible
03831d35f7499c87d51205817c93e9a8d42c4baestevel * These are those IOCTLs queued up
03831d35f7499c87d51205817c93e9a8d42c4baestevel * do it now
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Copy it from stream queue buffer to
03831d35f7499c87d51205817c93e9a8d42c4baestevel * sgcn buffer
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Console output buffer is full for
03831d35f7499c87d51205817c93e9a8d42c4baestevel * sgcn_timeout_period seconds, assume
03831d35f7499c87d51205817c93e9a8d42c4baestevel * SC is dead, drop all console output
03831d35f7499c87d51205817c93e9a8d42c4baestevel * data from stream queue.
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Console output just became full
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* send more console output */
03831d35f7499c87d51205817c93e9a8d42c4baestevel } /* switch */
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* IOSRAM is full, we are not done with mp yet */
03831d35f7499c87d51205817c93e9a8d42c4baestevel } while (mp);
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (0);
03831d35f7499c87d51205817c93e9a8d42c4baestevel * called when SC first establishes console connection
03831d35f7499c87d51205817c93e9a8d42c4baestevel * drop all the data on the output queue
03831d35f7499c87d51205817c93e9a8d42c4baestevel prom_printf("sgcn_flush(): WARNING console output is dropped "
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Interrupt handlers
03831d35f7499c87d51205817c93e9a8d42c4baestevel * All handlers register with SBBC driver and must follow SBBC interrupt
03831d35f7499c87d51205817c93e9a8d42c4baestevel * delivery conventions.
03831d35f7499c87d51205817c93e9a8d42c4baestevel * SC sends an interrupt when new data comes in
03831d35f7499c87d51205817c93e9a8d42c4baestevel/* ARGSUSED */
03831d35f7499c87d51205817c93e9a8d42c4baestevel * change interrupt state so that SBBC won't trigger
03831d35f7499c87d51205817c93e9a8d42c4baestevel * another one.
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* update sgcn_state for SC activity information */
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* enter our perimeter */
03831d35f7499c87d51205817c93e9a8d42c4baestevel entersq(sgcn_state->sgcn_readq->q_syncq, SQ_CALLBACK);
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* read from console input IOSRAM */
03831d35f7499c87d51205817c93e9a8d42c4baestevel len = CONSOLE_READ(buf, sgcn_state->sgcn_inbuf_size);
03831d35f7499c87d51205817c93e9a8d42c4baestevel if (len <= 0) {
03831d35f7499c87d51205817c93e9a8d42c4baestevel len = CONSOLE_READ(buf, sgcn_state->sgcn_inbuf_size);
03831d35f7499c87d51205817c93e9a8d42c4baestevel if (len <= 0) {
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* leave our perimeter */
07d06da50d310a325b457d6330165aebab1e0064Surya Prakki (void) iosram_send_intr(SBBC_CONSOLE_SPACE_IN);
03831d35f7499c87d51205817c93e9a8d42c4baestevel for (i = 0; i < len; i ++) {
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* put console input onto stream */
03831d35f7499c87d51205817c93e9a8d42c4baestevel if ((mp = allocb(len, BPRI_MED)) == (mblk_t *)NULL) {
03831d35f7499c87d51205817c93e9a8d42c4baestevel "sgcn_data_in_handler(): allocb failed"
03831d35f7499c87d51205817c93e9a8d42c4baestevel " (console input dropped.)");
03831d35f7499c87d51205817c93e9a8d42c4baestevel * SC sends an interrupt when it takes output data
03831d35f7499c87d51205817c93e9a8d42c4baestevel * from a full IOSRAM
03831d35f7499c87d51205817c93e9a8d42c4baestevel/* ARGSUSED */
03831d35f7499c87d51205817c93e9a8d42c4baestevel * change interrupt state so that SBBC won't trigger
03831d35f7499c87d51205817c93e9a8d42c4baestevel * another one.
03831d35f7499c87d51205817c93e9a8d42c4baestevel sgcn_state->sgcn_sbbc_outspace_state = SBBC_INTR_RUNNING;
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* restore interrupt state */
03831d35f7499c87d51205817c93e9a8d42c4baestevel sgcn_state->sgcn_sbbc_outspace_state = SBBC_INTR_IDLE;
03831d35f7499c87d51205817c93e9a8d42c4baestevel * SC sends an interrupt when it detects BREAK sequence
03831d35f7499c87d51205817c93e9a8d42c4baestevel/* ARGSUSED */
03831d35f7499c87d51205817c93e9a8d42c4baestevel * change interrupt state so that SBBC won't trigger
03831d35f7499c87d51205817c93e9a8d42c4baestevel * another one.
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* restore interrupt state */
03831d35f7499c87d51205817c93e9a8d42c4baestevel * reporting errors in console driver sgcn.
03831d35f7499c87d51205817c93e9a8d42c4baestevel * since we can not trust console driver at this time, we need to
03831d35f7499c87d51205817c93e9a8d42c4baestevel * log errors in other system logs
03831d35f7499c87d51205817c93e9a8d42c4baestevel * error codes:
03831d35f7499c87d51205817c93e9a8d42c4baestevel * EIO - iosram interface failed
03831d35f7499c87d51205817c93e9a8d42c4baestevel * EPROTO - IOSRAM is corrupted
03831d35f7499c87d51205817c93e9a8d42c4baestevel * EINVAL - invalid argument
07d06da50d310a325b457d6330165aebab1e0064Surya Prakki (void) strcpy(error_msg, "!Too many sgcn errors");
03831d35f7499c87d51205817c93e9a8d42c4baestevel (when == RW_CONSOLE_WRITE) ? "console output, dropped" :
03831d35f7499c87d51205817c93e9a8d42c4baestevel "console I/O");
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* check IOSRAM contents and read pointers */
03831d35f7499c87d51205817c93e9a8d42c4baestevel rv = iosram_read(SBBC_CONSOLE_KEY, 0, (caddr_t)header,
03831d35f7499c87d51205817c93e9a8d42c4baestevel if (rv != 0) {
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (-1);
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Since the header is read in a byte-by-byte fashion
03831d35f7499c87d51205817c93e9a8d42c4baestevel * using ddi_rep_get8, we need to re-read the producer
03831d35f7499c87d51205817c93e9a8d42c4baestevel * or consumer pointer as integer in case it has changed
03831d35f7499c87d51205817c93e9a8d42c4baestevel * after part of the previous value has been read.
03831d35f7499c87d51205817c93e9a8d42c4baestevel#endif /* SGCN_DEBUG */
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (0);
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* sanity check */
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (-1);
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* check IOSRAM contents and read pointers */
03831d35f7499c87d51205817c93e9a8d42c4baestevel if (rv != 0) {
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (-1);
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (-1);
03831d35f7499c87d51205817c93e9a8d42c4baestevel size = header.cnsram_in_end - header.cnsram_in_begin;
03831d35f7499c87d51205817c93e9a8d42c4baestevel size = header.cnsram_out_end - header.cnsram_out_begin;
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (-1);
03831d35f7499c87d51205817c93e9a8d42c4baestevel * error log was done in circular buffer routines,
03831d35f7499c87d51205817c93e9a8d42c4baestevel * no need to call sgcn_log_error() here
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (-1);
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (0);
03831d35f7499c87d51205817c93e9a8d42c4baestevel if (rv != 0) {
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (-1);
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Circular buffer interfaces
03831d35f7499c87d51205817c93e9a8d42c4baestevel * See sgcn.h for circular buffer structure
03831d35f7499c87d51205817c93e9a8d42c4baestevel * The circular buffer is empty when read ptr == write ptr
03831d35f7499c87d51205817c93e9a8d42c4baestevel * and is full when read ptr is one ahead of write ptr
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Write to circular buffer in IOSRAM
03831d35f7499c87d51205817c93e9a8d42c4baestevel * buf buffer in main memory, contains data to be written
03831d35f7499c87d51205817c93e9a8d42c4baestevel * len length of data in bytes
03831d35f7499c87d51205817c93e9a8d42c4baestevel * begin, end, rd, wr buffer pointers
03831d35f7499c87d51205817c93e9a8d42c4baestevel * return value:
03831d35f7499c87d51205817c93e9a8d42c4baestevel * actual bytes written.
03831d35f7499c87d51205817c93e9a8d42c4baestevelcircular_buffer_write(int begin, int end, int rd, int wr, caddr_t buf, int len)
03831d35f7499c87d51205817c93e9a8d42c4baestevel if (size <= 0) {
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (0); /* The buffer's full, so just return 0 now. */
03831d35f7499c87d51205817c93e9a8d42c4baestevel if (rd > wr || rd <= wr && space_at_end >= len) { /* one piece */
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* write console data */
03831d35f7499c87d51205817c93e9a8d42c4baestevel } else { /* break into two pieces because of circular buffer */
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* write console data */
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (-1);
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Read from circular buffer in IOSRAM
03831d35f7499c87d51205817c93e9a8d42c4baestevel * buf preallocated buffer in memory
03831d35f7499c87d51205817c93e9a8d42c4baestevel * len size of buf
03831d35f7499c87d51205817c93e9a8d42c4baestevel * begin, end, rd, wr buffer pointers
03831d35f7499c87d51205817c93e9a8d42c4baestevel * return value:
03831d35f7499c87d51205817c93e9a8d42c4baestevel * actual bytes read
03831d35f7499c87d51205817c93e9a8d42c4baestevel/* ARGSUSED */
03831d35f7499c87d51205817c93e9a8d42c4baestevelcircular_buffer_read(int begin, int end, int rd, int wr, caddr_t buf, int len)
03831d35f7499c87d51205817c93e9a8d42c4baestevel if (size <= 0) {
03831d35f7499c87d51205817c93e9a8d42c4baestevel } else { /* break into two pieces because of circular buffer */
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* read console data */
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (-1);
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Check for abort character sequence, copied from zs_async.c
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* read virtual keyswitch position from IOSRAM */
03831d35f7499c87d51205817c93e9a8d42c4baestevel rv = iosram_read(SBBC_KEYSWITCH_KEY, 0, &key_switch, 1);
03831d35f7499c87d51205817c93e9a8d42c4baestevel if (rv != 0) {
03831d35f7499c87d51205817c93e9a8d42c4baestevel /* default to not secure if read failed */
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (0);
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (0);
03831d35f7499c87d51205817c93e9a8d42c4baestevel/* ARGSUSED */
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (0);
03831d35f7499c87d51205817c93e9a8d42c4baestevel return (0);