KVM: PPC: Book3S HV: Add infrastructure to support 2nd DAWR
authorRavi Bangoria <ravi.bangoria@linux.ibm.com>
Wed, 16 Dec 2020 10:42:18 +0000 (16:12 +0530)
committerPaul Mackerras <paulus@ozlabs.org>
Wed, 10 Feb 2021 03:31:08 +0000 (14:31 +1100)
commitbd1de1a0e6eff4bde5ceae969673b85b8446fd6a
tree543fdbe810211e27e2e089697188810301d9643a
parent122954ed7db313c53698c35005e93e8e04135428
KVM: PPC: Book3S HV: Add infrastructure to support 2nd DAWR

KVM code assumes single DAWR everywhere. Add code to support 2nd DAWR.
DAWR is a hypervisor resource and thus H_SET_MODE hcall is used to set/
unset it. Introduce new case H_SET_MODE_RESOURCE_SET_DAWR1 for 2nd DAWR.
Also, KVM will support 2nd DAWR only if CPU_FTR_DAWR1 is set.

Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Documentation/virt/kvm/api.rst
arch/powerpc/include/asm/hvcall.h
arch/powerpc/include/asm/kvm_host.h
arch/powerpc/include/uapi/asm/kvm.h
arch/powerpc/kernel/asm-offsets.c
arch/powerpc/kvm/book3s_hv.c
arch/powerpc/kvm/book3s_hv_nested.c
arch/powerpc/kvm/book3s_hv_rmhandlers.S
tools/arch/powerpc/include/uapi/asm/kvm.h