Commit 651d61bc authored by Joel Stanley's avatar Joel Stanley Committed by Michael Ellerman
Browse files

KVM: PPC: Fix documentation for ppc mmu caps 



The documentation mentions KVM_CAP_PPC_RADIX_MMU, but the defines in the
kvm headers spell it KVM_CAP_PPC_MMU_RADIX. Similarly with
KVM_CAP_PPC_MMU_HASH_V3.

Fixes: c9270132 ("KVM: PPC: Book3S HV: Add userspace interfaces for POWER9 MMU")
Signed-off-by: default avatarJoel Stanley <joel@jms.id.au>
Acked-by: default avatarPaul Mackerras <paulus@ozlabs.org>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230411061446.26324-1-joel@jms.id.au
parent a9c08bcd

Documentation/virt/kvm/api.rst

+4 −4
Original line number Diff line number Diff line
@@ -4300,7 +4300,7 @@ operating system that uses the PIT for timing (e.g. Linux 2.4.x). 
4.100 KVM_PPC_CONFIGURE_V3_MMU

------------------------------



:Capability: KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3

:Capability: KVM_CAP_PPC_MMU_RADIX or KVM_CAP_PPC_MMU_HASH_V3

:Architectures: ppc

:Type: vm ioctl

:Parameters: struct kvm_ppc_mmuv3_cfg (in)
@@ -4334,7 +4334,7 @@ the Power ISA V3.00, Book III section 5.7.6.1. 
4.101 KVM_PPC_GET_RMMU_INFO

---------------------------



:Capability: KVM_CAP_PPC_RADIX_MMU

:Capability: KVM_CAP_PPC_MMU_RADIX

:Architectures: ppc

:Type: vm ioctl

:Parameters: struct kvm_ppc_rmmu_info (out)
@@ -8095,7 +8095,7 @@ capability via KVM_ENABLE_CAP ioctl on the vcpu fd. Note that this 
will disable the use of APIC hardware virtualization even if supported

by the CPU, as it's incompatible with SynIC auto-EOI behavior.



8.3 KVM_CAP_PPC_RADIX_MMU

8.3 KVM_CAP_PPC_MMU_RADIX

-------------------------



:Architectures: ppc
@@ -8105,7 +8105,7 @@ available, means that the kernel can support guests using the 
radix MMU defined in Power ISA V3.00 (as implemented in the POWER9

processor).



8.4 KVM_CAP_PPC_HASH_MMU_V3

8.4 KVM_CAP_PPC_MMU_HASH_V3

---------------------------



:Architectures: ppc

include/uapi/linux/kvm.h

+2 −2
Original line number Diff line number Diff line
@@ -1221,9 +1221,9 @@ struct kvm_vfio_spapr_tce { 
/* Available with KVM_CAP_SPAPR_RESIZE_HPT */

#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)

#define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)

/* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */

/* Available with KVM_CAP_PPC_MMU_RADIX or KVM_CAP_PPC_MMU_HASH_V3 */

#define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)

/* Available with KVM_CAP_PPC_RADIX_MMU */

/* Available with KVM_CAP_PPC_MMU_RADIX */

#define KVM_PPC_GET_RMMU_INFO	  _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)

/* Available with KVM_CAP_PPC_GET_CPU_CHAR */

#define KVM_PPC_GET_CPU_CHAR	  _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)

tools/include/uapi/linux/kvm.h

+1 −1
Original line number Diff line number Diff line
@@ -1502,7 +1502,7 @@ struct kvm_s390_ucas_mapping { 
/* Available with KVM_CAP_SPAPR_RESIZE_HPT */

#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)

#define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)

/* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */

/* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_MMU_HASH_V3 */

#define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)

/* Available with KVM_CAP_PPC_RADIX_MMU */

#define KVM_PPC_GET_RMMU_INFO	  _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)