diff options
Diffstat (limited to 'drivers/s390/cio/cio.c')
| -rw-r--r-- | drivers/s390/cio/cio.c | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 3eb6cb608fc93f..6f274f4f92ebea 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -1,7 +1,7 @@ /* * drivers/s390/cio/cio.c * S/390 common I/O routines -- low level i/o calls - * $Revision: 1.135 $ + * $Revision: 1.138 $ * * Copyright (C) 1999-2002 IBM Deutschland Entwicklung GmbH, * IBM Corporation @@ -166,7 +166,8 @@ cio_start_handle_notoper(struct subchannel *sch, __u8 lpm) stsch (sch->schid, &sch->schib); CIO_MSG_EVENT(0, "cio_start: 'not oper' status for " - "subchannel %04x!\n", sch->schid.sch_no); + "subchannel 0.%x.%04x!\n", sch->schid.ssid, + sch->schid.sch_no); sprintf(dbf_text, "no%s", sch->dev.bus_id); CIO_TRACE_EVENT(0, dbf_text); CIO_HEX_EVENT(0, &sch->schib, sizeof (struct schib)); @@ -522,15 +523,18 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid) spin_lock_init(&sch->lock); /* Set a name for the subchannel */ - snprintf (sch->dev.bus_id, BUS_ID_SIZE, "0.0.%04x", schid.sch_no); + snprintf (sch->dev.bus_id, BUS_ID_SIZE, "0.%x.%04x", schid.ssid, + schid.sch_no); /* * The first subchannel that is not-operational (ccode==3) * indicates that there aren't any more devices available. + * If stsch gets an exception, it means the current subchannel set + * is not valid. */ - ccode = stsch (schid, &sch->schib); + ccode = stsch_err (schid, &sch->schib); if (ccode) - return -ENXIO; + return (ccode == 3) ? -ENXIO : ccode; sch->schid = schid; /* Copy subchannel type from path management control word. */ @@ -541,9 +545,9 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid) */ if (sch->st != 0) { CIO_DEBUG(KERN_INFO, 0, - "Subchannel %04X reports " + "Subchannel 0.%x.%04x reports " "non-I/O subchannel type %04X\n", - sch->schid.sch_no, sch->st); + sch->schid.ssid, sch->schid.sch_no, sch->st); /* We stop here for non-io subchannels. */ return sch->st; } @@ -554,26 +558,29 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid) return -ENODEV; /* Devno is valid. */ - if (is_blacklisted (sch->schib.pmcw.dev)) { + if (is_blacklisted (sch->schid.ssid, sch->schib.pmcw.dev)) { /* * This device must not be known to Linux. So we simply * say that there is no device and return ENODEV. */ CIO_MSG_EVENT(0, "Blacklisted device detected " - "at devno %04X\n", sch->schib.pmcw.dev); + "at devno %04X, subchannel set %x\n", + sch->schib.pmcw.dev, sch->schid.ssid); return -ENODEV; } sch->opm = 0xff; - chsc_validate_chpids(sch); + if (!cio_is_console(sch->schid)) + chsc_validate_chpids(sch); sch->lpm = sch->schib.pmcw.pim & sch->schib.pmcw.pam & sch->schib.pmcw.pom & sch->opm; CIO_DEBUG(KERN_INFO, 0, - "Detected device %04X on subchannel %04X" + "Detected device %04x on subchannel 0.%x.%04X" " - PIM = %02X, PAM = %02X, POM = %02X\n", - sch->schib.pmcw.dev, sch->schid.sch_no, sch->schib.pmcw.pim, + sch->schib.pmcw.dev, sch->schid.ssid, + sch->schid.sch_no, sch->schib.pmcw.pim, sch->schib.pmcw.pam, sch->schib.pmcw.pom); /* @@ -693,7 +700,7 @@ wait_cons_dev (void) static int cio_test_for_console(struct subchannel_id schid, void *data) { - if (stsch(schid, &console_subchannel.schib) != 0) + if (stsch_err(schid, &console_subchannel.schib) != 0) return -ENXIO; if (console_subchannel.schib.pmcw.dnv && console_subchannel.schib.pmcw.dev == @@ -841,7 +848,7 @@ __shutdown_subchannel_easy(struct subchannel_id schid, void *data) { struct schib schib; - if (stsch(schid, &schib)) + if (stsch_err(schid, &schib)) return -ENXIO; if (!schib.pmcw.ena) return 0; |