Commit 8cba80c3 authored by Frank Blaschka's avatar Frank Blaschka Committed by Cornelia Huck
Browse files

s390: Add PCI bus support 



This patch implements a pci bus for s390x together with infrastructure
to generate and handle hotplug events, to configure/unconfigure via
sclp instruction, to do iommu translations and provide s390 support for
MSI/MSI-X notification processing.

Signed-off-by: default avatarFrank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: default avatarCornelia Huck <cornelia.huck@de.ibm.com>
parent 59ac1532

MAINTAINERS

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@@ -538,6 +538,7 @@ S390 Virtio 
M: Alexander Graf <agraf@suse.de>

S: Maintained

F: hw/s390x/s390-*.c

X: hw/s390x/*pci*.[hc]



S390 Virtio-ccw

M: Cornelia Huck <cornelia.huck@de.ibm.com>
@@ -548,6 +549,7 @@ F: hw/s390x/s390-virtio-ccw.c 
F: hw/s390x/css.[hc]

F: hw/s390x/sclp*.[hc]

F: hw/s390x/ipl*.[hc]

F: hw/s390x/*pci*.[hc]

F: include/hw/s390x/

F: pc-bios/s390-ccw/

T: git git://github.com/cohuck/qemu virtio-ccw-upstr

default-configs/s390x-softmmu.mak

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include pci.mak

CONFIG_VIRTIO=y

CONFIG_SCLPCONSOLE=y

CONFIG_S390_FLIC=y

hw/s390x/Makefile.objs

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@@ -8,3 +8,4 @@ obj-y += ipl.o 
obj-y += css.o

obj-y += s390-virtio-ccw.o

obj-y += virtio-ccw.o

obj-y += s390-pci-bus.o

hw/s390x/css.c

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@@ -1299,6 +1299,11 @@ void css_generate_chp_crws(uint8_t cssid, uint8_t chpid) 
    /* TODO */

}



void css_generate_css_crws(uint8_t cssid)

{

    css_queue_crw(CRW_RSC_CSS, 0, 0, cssid);

}



int css_enable_mcsse(void)

{

    trace_css_enable_facility("mcsse");

hw/s390x/css.h

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@@ -101,6 +101,7 @@ void css_queue_crw(uint8_t rsc, uint8_t erc, int chain, uint16_t rsid); 
void css_generate_sch_crws(uint8_t cssid, uint8_t ssid, uint16_t schid,

                           int hotplugged, int add);

void css_generate_chp_crws(uint8_t cssid, uint8_t chpid);

void css_generate_css_crws(uint8_t cssid);

void css_adapter_interrupt(uint8_t isc);



#define CSS_IO_ADAPTER_VIRTIO 1