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| author | Matthew Rosato <mjrosato@linux.ibm.com> | 2022-06-06 23:33:17 +0300 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@linux.ibm.com> | 2022-07-11 10:54:29 +0300 |
| commit | 73f91b004321f2510fa79e66035dbbf1870fcf56 (patch) | |
| tree | 58792a03de492f7160967303e99ff76956fa0fd0 /arch/s390/include/asm/tpi.h | |
| parent | 98b1d33dac5fd09060486762c02fd1a78baeb1e0 (diff) | |
| download | linux-73f91b004321f2510fa79e66035dbbf1870fcf56.tar.xz | |
KVM: s390: pci: enable host forwarding of Adapter Event Notifications
In cases where interrupts are not forwarded to the guest via firmware,
KVM is responsible for ensuring delivery. When an interrupt presents
with the forwarding bit, we must process the forwarding tables until
all interrupts are delivered.
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Link: https://lore.kernel.org/r/20220606203325.110625-14-mjrosato@linux.ibm.com
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/tpi.h')
| -rw-r--r-- | arch/s390/include/asm/tpi.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/s390/include/asm/tpi.h b/arch/s390/include/asm/tpi.h index 1ac538b8cbf5..f76e5fdff23a 100644 --- a/arch/s390/include/asm/tpi.h +++ b/arch/s390/include/asm/tpi.h @@ -19,6 +19,19 @@ struct tpi_info { u32 :12; } __packed __aligned(4); +/* I/O-Interruption Code as stored by TPI for an Adapter I/O */ +struct tpi_adapter_info { + u32 aism:8; + u32 :22; + u32 error:1; + u32 forward:1; + u32 reserved; + u32 adapter_IO:1; + u32 directed_irq:1; + u32 isc:3; + u32 :27; +} __packed __aligned(4); + #endif /* __ASSEMBLY__ */ #endif /* _ASM_S390_TPI_H */ |