lkml.org 
[lkml]   [2022]   [Apr]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH v5 02/21] s390/sclp: detect the AISII facility
    Date
    Detect the Adapter Interruption Source ID Interpretation facility.

    Reviewed-by: Eric Farman <farman@linux.ibm.com>
    Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
    Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
    Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
    ---
    arch/s390/include/asm/sclp.h | 1 +
    drivers/s390/char/sclp_early.c | 1 +
    2 files changed, 2 insertions(+)

    diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
    index 06c0b5eb8ef5..be14644fe113 100644
    --- a/arch/s390/include/asm/sclp.h
    +++ b/arch/s390/include/asm/sclp.h
    @@ -88,6 +88,7 @@ struct sclp_info {
    unsigned char has_sipl : 1;
    unsigned char has_dirq : 1;
    unsigned char has_zpci_lsi : 1;
    + unsigned char has_aisii : 1;
    unsigned int ibc;
    unsigned int mtid;
    unsigned int mtid_cp;
    diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c
    index b88dd0da1231..29fee179e197 100644
    --- a/drivers/s390/char/sclp_early.c
    +++ b/drivers/s390/char/sclp_early.c
    @@ -45,6 +45,7 @@ static void __init sclp_early_facilities_detect(void)
    sclp.has_gisaf = !!(sccb->fac118 & 0x08);
    sclp.has_hvs = !!(sccb->fac119 & 0x80);
    sclp.has_kss = !!(sccb->fac98 & 0x01);
    + sclp.has_aisii = !!(sccb->fac118 & 0x40);
    sclp.has_zpci_lsi = !!(sccb->fac118 & 0x01);
    if (sccb->fac85 & 0x02)
    S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;
    --
    2.27.0
    \
     
     \ /
      Last update: 2022-04-05 00:25    [W:4.100 / U:0.012 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site