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| author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2013-07-15 11:36:01 (GMT) |
|---|---|---|
| committer | Cornelia Huck <cornelia.huck@de.ibm.com> | 2014-03-21 12:42:49 (GMT) |
| commit | 841b91c584b6d1e2a2cb508bd2d0236cd37e1750 (patch) | |
| tree | 0a2f1b2cfa471cefa22bc9c12628361ed2c0ac4c /arch/s390/include/asm | |
| parent | d938dc55225a7212e7f31c5a8571da304cc3de16 (diff) | |
| download | linux-841b91c584b6d1e2a2cb508bd2d0236cd37e1750.tar.xz | |
KVM: s390: adapter interrupt sources
Add a new interface to register/deregister sources of adapter interrupts
identified by an unique id via the flic. Adapters may also be maskable
and carry a list of pinned pages.
These adapters will be used by irq routing later.
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm')
| -rw-r--r-- | arch/s390/include/asm/kvm_host.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index 734d302..0d52352 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -19,6 +19,7 @@ #include <linux/kvm.h> #include <asm/debug.h> #include <asm/cpu.h> +#include <asm/isc.h> #define KVM_MAX_VCPUS 64 #define KVM_USER_MEM_SLOTS 32 @@ -245,6 +246,27 @@ struct kvm_vm_stat { struct kvm_arch_memory_slot { }; +struct s390_map_info { + struct list_head list; + __u64 guest_addr; + __u64 addr; + struct page *page; +}; + +struct s390_io_adapter { + unsigned int id; + int isc; + bool maskable; + bool masked; + bool swap; + struct rw_semaphore maps_lock; + struct list_head maps; + atomic_t nr_maps; +}; + +#define MAX_S390_IO_ADAPTERS ((MAX_ISC + 1) * 8) +#define MAX_S390_ADAPTER_MAPS 256 + struct kvm_arch{ struct sca_block *sca; debug_info_t *dbf; @@ -252,6 +274,7 @@ struct kvm_arch{ struct kvm_device *flic; struct gmap *gmap; int css_support; + struct s390_io_adapter *adapters[MAX_S390_IO_ADAPTERS]; }; #define KVM_HVA_ERR_BAD (-1UL) |