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s390/qdio: pass ISC as parameter to chsc_sadc() 

When issuing a SADC for a QDIO device, don't hardcode the ISC but use
whatever is specified in qdio's handler for Adapter Interrupts.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Julian Wiedmann 2020-03-16 09:20:38 +01:00 committed by Vasily Gorbik
parent 086b2d7837
commit 9289224040
3 changed files with 6 additions and 4 deletions
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5
drivers/s390/cio/chsc.c
View File

@ -180,11 +180,12 @@ EXPORT_SYMBOL_GPL(chsc_ssqd);
* @scssc: request and response block for SADC
* @summary_indicator_addr: summary indicator address
* @subchannel_indicator_addr: subchannel indicator address
* @isc: Interruption Subclass for this subchannel
*
* Returns 0 on success.
*/
int chsc_sadc(struct subchannel_id schid, struct chsc_scssc_area *scssc,
u64 summary_indicator_addr, u64 subchannel_indicator_addr)
u64 summary_indicator_addr, u64 subchannel_indicator_addr, u8 isc)
{
memset(scssc, 0, sizeof(*scssc));
scssc->request.length = 0x0fe0;
@ -196,7 +197,7 @@ int chsc_sadc(struct subchannel_id schid, struct chsc_scssc_area *scssc,
scssc->ks = PAGE_DEFAULT_KEY >> 4;
scssc->kc = PAGE_DEFAULT_KEY >> 4;
scssc->isc = QDIO_AIRQ_ISC;
scssc->isc = isc;
scssc->schid = schid;
/* enable the time delay disablement facility */

3
drivers/s390/cio/chsc.h
View File

@ -163,7 +163,8 @@ void chsc_chp_offline(struct chp_id chpid);
int chsc_get_channel_measurement_chars(struct channel_path *chp);
int chsc_ssqd(struct subchannel_id schid, struct chsc_ssqd_area *ssqd);
int chsc_sadc(struct subchannel_id schid, struct chsc_scssc_area *scssc,
u64 summary_indicator_addr, u64 subchannel_indicator_addr);
u64 summary_indicator_addr, u64 subchannel_indicator_addr,
u8 isc);
int chsc_sgib(u32 origin);
int chsc_error_from_response(int response);

2
drivers/s390/cio/qdio_thinint.c
View File

@ -211,7 +211,7 @@ static int set_subchannel_ind(struct qdio_irq *irq_ptr, int reset)
}
rc = chsc_sadc(irq_ptr->schid, scssc, summary_indicator_addr,
subchannel_indicator_addr);
subchannel_indicator_addr, tiqdio_airq.isc);
if (rc) {
DBF_ERROR("%4x SSI r:%4x", irq_ptr->schid.sch_no,
scssc->response.code);