Thread (27 messages) 27 messages, 4 authors, 2013-08-27

Re: [PATCH 03/10] KVM: PPC: reserve a capability and ioctl numbers for realmode VFIO

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From: Alexander Graf <hidden>
Date: 2013-08-15 07:16:30
Also in: kvm, lkml

On 01.08.2013, at 06:44, Alexey Kardashevskiy wrote:
quoted hunk ↗ jump to hunk
This is to reserve a capablity number for upcoming support
of VFIO-IOMMU DMA operations in real mode.
=20
Signed-off-by: Alexey Kardashevskiy <redacted>
=20
---
Changes:
2013/07/16:
* changed the number
=20
2013/07/11:
* changed order in a file, added comment about a gap in ioctl number
=20
Signed-off-by: Alexey Kardashevskiy <redacted>
---
include/uapi/linux/kvm.h | 4 ++++
1 file changed, 4 insertions(+)
=20
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
=20
#ifdef KVM_CAP_IRQ_ROUTING
=20
@@ -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 */
so 0xad and 0xaf are already taken? where?
+/* Available with KVM_CAP_SPAPR_TCE_IOMMU */
+#define KVM_CREATE_SPAPR_TCE_IOMMU _IOW(KVMIO,  0xaf, struct =
kvm_create_spapr_tce_iommu)

and why is this one 0xaf then?


Alex
=20
/* ioctl for vm fd */
#define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct =
kvm_create_device)
--=20
1.8.3.2
=20
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