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authorDavid Hildenbrand <dahi@linux.vnet.ibm.com>2015-06-25 09:55:55 +0200
committerCornelia Huck <cornelia.huck@de.ibm.com>2015-10-21 12:21:30 +0200
commitfeacc6c2c8fff037f67a89402b29923251833425 (patch)
treecaf18c2f3f11603d50a255d169aa1406270f2937 /hw
parent09c7f58ca9613ccfb1ca13031d0ff3b1794bd782 (diff)
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s390x/ipl: we always have an ipl device
Both s390 machines unconditionally create an ipl device, so no need to handle the missing case. Now we can also change s390_ipl_update_diag308() to return void. Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/s390x/ipl.c26
-rw-r--r--hw/s390x/ipl.h2
2 files changed, 13 insertions, 15 deletions
diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c
index 31473e749e..b8c6378ba1 100644
--- a/hw/s390x/ipl.c
+++ b/hw/s390x/ipl.c
@@ -95,6 +95,11 @@ static const VMStateDescription vmstate_ipl = {
}
};
+static S390IPLState *get_ipl_device(void)
+{
+ return S390_IPL(object_resolve_path_type("", TYPE_S390_IPL, NULL));
+}
+
static uint64_t bios_translate_addr(void *opaque, uint64_t srcaddr)
{
uint64_t dstaddr = *(uint64_t *) opaque;
@@ -251,25 +256,19 @@ out:
return (uint32_t) (ipl->cssid << 24 | ipl->ssid << 16 | ipl->devno);
}
-int s390_ipl_update_diag308(IplParameterBlock *iplb)
+void s390_ipl_update_diag308(IplParameterBlock *iplb)
{
- S390IPLState *ipl;
+ S390IPLState *ipl = get_ipl_device();
- ipl = S390_IPL(object_resolve_path(TYPE_S390_IPL, NULL));
- if (ipl) {
- ipl->iplb = *iplb;
- ipl->iplb_valid = true;
- return 0;
- }
- return -1;
+ ipl->iplb = *iplb;
+ ipl->iplb_valid = true;
}
IplParameterBlock *s390_ipl_get_iplb(void)
{
- S390IPLState *ipl;
+ S390IPLState *ipl = get_ipl_device();
- ipl = S390_IPL(object_resolve_path(TYPE_S390_IPL, NULL));
- if (!ipl || !ipl->iplb_valid) {
+ if (!ipl->iplb_valid) {
return NULL;
}
return &ipl->iplb;
@@ -277,9 +276,8 @@ IplParameterBlock *s390_ipl_get_iplb(void)
void s390_reipl_request(void)
{
- S390IPLState *ipl;
+ S390IPLState *ipl = get_ipl_device();
- ipl = S390_IPL(object_resolve_path(TYPE_S390_IPL, NULL));
ipl->reipl_requested = true;
qemu_system_reset_request();
}
diff --git a/hw/s390x/ipl.h b/hw/s390x/ipl.h
index 70497bc65f..6424e08db8 100644
--- a/hw/s390x/ipl.h
+++ b/hw/s390x/ipl.h
@@ -18,7 +18,7 @@ typedef struct IplParameterBlock {
uint8_t reserved2[88];
} IplParameterBlock;
-int s390_ipl_update_diag308(IplParameterBlock *iplb);
+void s390_ipl_update_diag308(IplParameterBlock *iplb);
IplParameterBlock *s390_ipl_get_iplb(void);
void s390_reipl_request(void);