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| author | Eric Auger <eric.auger@redhat.com> | 2017-01-09 16:27:07 +0100 |
|---|---|---|
| committer | Christoffer Dall <cdall@linaro.org> | 2017-05-08 14:38:45 +0200 |
| commit | 57a9a117154c93539e33161dd318e6aeb8c04efa (patch) | |
| tree | 9eee9632b944fa6456714fa3305fba6f00070c98 /virt/kvm/arm/vgic/vgic.h | |
| parent | dceff7025851405412e1a180ddd0cf79c7cbc1d8 (diff) | |
| download | linux-57a9a117154c93539e33161dd318e6aeb8c04efa.tar.bz2 | |
KVM: arm64: vgic-its: Device table save/restore
This patch saves the device table entries into guest RAM.
Both flat table and 2 stage tables are supported. DeviceId
indexing is used.
For each device listed in the device table, we also save
the translation table using the vgic_its_save/restore_itt
routines. Those functions will be implemented in a subsequent
patch.
On restore, devices are re-allocated and their itt are
re-built.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Christoffer Dall <cdall@linaro.org>
Diffstat (limited to 'virt/kvm/arm/vgic/vgic.h')
| -rw-r--r-- | virt/kvm/arm/vgic/vgic.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/virt/kvm/arm/vgic/vgic.h b/virt/kvm/arm/vgic/vgic.h index 757de7a2bdc3..f35e993883dc 100644 --- a/virt/kvm/arm/vgic/vgic.h +++ b/virt/kvm/arm/vgic/vgic.h @@ -81,6 +81,16 @@ #define KVM_ITS_CTE_VALID_MASK BIT_ULL(63) #define KVM_ITS_CTE_RDBASE_SHIFT 16 #define KVM_ITS_CTE_ICID_MASK GENMASK_ULL(15, 0) +#define KVM_ITS_DTE_VALID_SHIFT 63 +#define KVM_ITS_DTE_VALID_MASK BIT_ULL(63) +#define KVM_ITS_DTE_NEXT_SHIFT 49 +#define KVM_ITS_DTE_NEXT_MASK GENMASK_ULL(62, 49) +#define KVM_ITS_DTE_ITTADDR_SHIFT 5 +#define KVM_ITS_DTE_ITTADDR_MASK GENMASK_ULL(48, 5) +#define KVM_ITS_DTE_SIZE_MASK GENMASK_ULL(4, 0) +#define KVM_ITS_L1E_VALID_MASK BIT_ULL(63) +/* we only support 64 kB translation table page size */ +#define KVM_ITS_L1E_ADDR_MASK GENMASK_ULL(51, 16) static inline bool irq_is_pending(struct vgic_irq *irq) { |