[PATCH 02/10] KVM: PPC: reserve a capability and ioctl numbers for realmode VFIO

Alexey Kardashevskiy aik at ozlabs.ru
Tue Jul 16 10:53:57 EST 2013


This is to reserve a capablity number for upcoming support
of VFIO-IOMMU DMA operations in real mode.

Signed-off-by: Alexey Kardashevskiy <aik at ozlabs.ru>

---
Changes:
2013/07/16:
* changed the number

2013/07/11:
* changed order in a file, added comment about a gap in ioctl number

Signed-off-by: Alexey Kardashevskiy <aik at ozlabs.ru>
---
 include/uapi/linux/kvm.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index 99c2533..53c3f1f 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -668,6 +668,7 @@ struct kvm_ppc_smmu_info {
 #define KVM_CAP_IRQ_XICS 92
 #define KVM_CAP_ARM_EL1_32BIT 93
 #define KVM_CAP_SPAPR_MULTITCE 94
+#define KVM_CAP_SPAPR_TCE_IOMMU 95
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
@@ -933,6 +934,9 @@ struct kvm_s390_ucas_mapping {
 #define KVM_ARM_SET_DEVICE_ADDR	  _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
 /* Available with KVM_CAP_PPC_RTAS */
 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
+/* 0xad and 0xaf are already taken */
+/* Available with KVM_CAP_SPAPR_TCE_IOMMU */
+#define KVM_CREATE_SPAPR_TCE_IOMMU _IOW(KVMIO,  0xaf, struct kvm_create_spapr_tce_iommu)
 
 /* ioctl for vm fd */
 #define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct kvm_create_device)
-- 
1.8.3.2



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