static int tape_loaded(uint8_t *sam_stat)
{
if (datafile != -1)
return 1;
sam_not_ready(E_MEDIUM_NOT_PRESENT, sam_stat);
return 0;
}
static int tape_loaded(uint8_t *sam_stat)
{
MHVTL_DBG(1, "tape_loaded");
switch (datafile != -1) {
return 1;
}
sam_not_ready(E_MEDIUM_NOT_PRESENT, sam_stat);
return 0;
}
/*
*
* Process the SCSI command
*
* Called with:
* cdev -> Char dev file handle,
* cdb -> SCSI Command buffer pointer,
* struct vtl_ds -> general purpose data structure... Need better name
*
* Return:
* SAM status returned in struct vtl_ds.sam_stat
*/
static void processCommand(int cdev, uint8_t *cdb, struct vtl_ds *dbuf_p,
useconds_t pollInterval)
{
int err = 0;
struct scsi_cmd _cmd;
struct scsi_cmd *cmd;
cmd = &_cmd;
cmd->scb = cdb;
cmd->scb_len = 16; /* fixme */
cmd->dbuf_p = dbuf_p;
cmd->lu = &lunit;
cmd->pollInterval = pollInterval;
cmd->cdev = cdev;
MHVTL_DBG_PRT_CDB(1, cmd);
switch (cdb[0]) {
case REPORT_LUNS:
case REQUEST_SENSE:
case MODE_SELECT:
case INQUIRY:
dbuf_p->sam_stat = SAM_STAT_GOOD;
break;
default:
if (cmd->lu->online == 0) {
sam_not_ready(E_OFFLINE, &dbuf_p->sam_stat);
return;
}
if (check_reset(&dbuf_p->sam_stat))
return;
}
/* Skip main op code processing if pre-cmd returns non-zero */
if (cmd->lu->scsi_ops->ops[cdb[0]].pre_cmd_perform)
err = cmd->lu->scsi_ops->ops[cdb[0]].pre_cmd_perform(cmd, NULL);
if (!err)
dbuf_p->sam_stat = cmd->lu->scsi_ops->ops[cdb[0]].cmd_perform(cmd);
/* Post op code processing regardless */
if (cmd->lu->scsi_ops->ops[cdb[0]].post_cmd_perform)
cmd->lu->scsi_ops->ops[cdb[0]].post_cmd_perform(cmd, NULL);
return;
}
