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[S390] cio: Introduce struct chp_id.

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Introduce data type for channel-path IDs.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
This commit is contained in:
Peter Oberparleiter
2007-04-27 16:01:26 +02:00
committed by Martin Schwidefsky
parent 6fc321fd7d
commit f86635fad1
6 changed files with 167 additions and 86 deletions
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5
drivers/s390/cio/cio.c
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@@ -954,6 +954,7 @@ static void css_reset(void)
{
int i, ret;
unsigned long long timeout;
struct chp_id chpid;
/* Reset subchannels. */
for_each_subchannel(__shutdown_subchannel_easy, NULL);
@@ -963,8 +964,10 @@ static void css_reset(void)
__ctl_set_bit(14, 28);
/* Temporarily reenable machine checks. */
local_mcck_enable();
chp_id_init(&chpid);
for (i = 0; i <= __MAX_CHPID; i++) {
ret = rchp(i);
chpid.id = i;
ret = rchp(chpid);
if ((ret == 0) || (ret == 2))
/*
* rchp either succeeded, or another rchp is already