From: Michael Ellerman <mpe@ellerman.id.au>
To: Jordan Niethe <jniethe5@gmail.com>, linuxppc-dev@lists.ozlabs.org
Cc: kvm@vger.kernel.org, kvm-ppc@vger.kernel.org, npiggin@gmail.com,
mikey@neuling.org, paulus@ozlabs.org, vaibhav@linux.ibm.com,
sbhat@linux.ibm.com, gautam@linux.ibm.com,
kconsul@linux.vnet.ibm.com, amachhiw@linux.vnet.ibm.com,
Jordan Niethe <jniethe5@gmail.com>
Subject: Re: [PATCH v3 5/6] KVM: PPC: Add support for nestedv2 guests
Date: Thu, 17 Aug 2023 12:23:58 +0000 [thread overview]
Message-ID: <877cpteu1t.fsf@mail.lhotse> (raw)
In-Reply-To: <20230807014553.1168699-6-jniethe5@gmail.com>
Jordan Niethe <jniethe5@gmail.com> writes:
> A series of hcalls have been added to the PAPR which allow a regular
> guest partition to create and manage guest partitions of its own. KVM
> already had an interface that allowed this on powernv platforms. This
> existing interface will now be called "nestedv1". The newly added PAPR
> interface will be called "nestedv2". PHYP will support the nestedv2
> interface. At this time the host side of the nestedv2 interface has not
> been implemented on powernv but there is no technical reason why it
> could not be added.
Some build errors with powernv_defconfig, I haven't dug into them but
presumably some ifdefs needed.
../arch/powerpc/kvm/book3s_hv_nestedv2.c: In function ‘kvmhv_nestedv2_vcpu_create’:
../arch/powerpc/kvm/book3s_hv_nestedv2.c:954:14: error: implicit declaration of function ‘plpar_guest_create_vcpu’ [-Werror=implicit-function-declaration]
954 | rc = plpar_guest_create_vcpu(0, vcpu->kvm->arch.lpid, vcpu->vcpu_id);
| ^~~~~~~~~~~~~~~~~~~~~~~
../arch/powerpc/kvm/guest-state-buffer.c: In function ‘kvmppc_gsb_send’:
../arch/powerpc/kvm/guest-state-buffer.c:592:14: error: implicit declaration of function ‘plpar_guest_set_state’ [-Werror=implicit-function-declaration]
592 | rc = plpar_guest_set_state(hflags, gsb->guest_id, gsb->vcpu_id,
| ^~~~~~~~~~~~~~~~~~~~~
../arch/powerpc/kvm/guest-state-buffer.c: In function ‘kvmppc_gsb_recv’:
../arch/powerpc/kvm/guest-state-buffer.c:617:14: error: implicit declaration of function ‘plpar_guest_get_state’ [-Werror=implicit-function-declaration]
617 | rc = plpar_guest_get_state(hflags, gsb->guest_id, gsb->vcpu_id,
cheers
next prev parent reply other threads:[~2023-08-17 12:23 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-07 1:45 [PATCH v3 0/6] KVM: PPC: Nested APIv2 guest support Jordan Niethe
2023-08-07 1:45 ` [PATCH v3 1/6] KVM: PPC: Use getters and setters for vcpu register state Jordan Niethe
2023-08-14 8:08 ` Nicholas Piggin
2023-08-16 3:11 ` Jordan Niethe
2023-08-17 3:25 ` Michael Ellerman
2023-08-07 1:45 ` [PATCH v3 2/6] KVM: PPC: Rename accessor generator macros Jordan Niethe
2023-08-14 8:27 ` Nicholas Piggin
2023-08-16 3:20 ` Jordan Niethe
2023-08-07 1:45 ` [PATCH v3 3/6] KVM: PPC: Add helper library for Guest State Buffers Jordan Niethe
2023-08-07 1:45 ` [PATCH v3 4/6] KVM: PPC: Book3s HV: Hold LPIDs in an unsigned long Jordan Niethe
2023-08-14 8:12 ` Nicholas Piggin
2023-08-15 10:45 ` Michael Ellerman
2023-08-16 3:21 ` Jordan Niethe
2023-08-16 3:14 ` Jordan Niethe
2023-08-14 8:15 ` David Laight
2023-08-16 3:19 ` Jordan Niethe
2023-08-17 12:21 ` Michael Ellerman
2023-08-07 1:45 ` [PATCH v3 5/6] KVM: PPC: Add support for nestedv2 guests Jordan Niethe
2023-08-17 4:19 ` Michael Ellerman
2023-08-17 12:23 ` Michael Ellerman [this message]
2023-08-07 1:45 ` [PATCH v3 6/6] docs: powerpc: Document nested KVM on POWER Jordan Niethe
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