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| author | Usama Arif <usama.arif@bytedance.com> | 2022-11-03 13:12:10 +0000 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2022-11-11 16:29:22 +0000 |
| commit | 83f8a81dece8bc4237d8d94af357fb5df0083e63 (patch) | |
| tree | 84a75d9f878d13a9be41d781923b1cb350caefa2 /Documentation/virt | |
| parent | 30a0b95b1335e12efef89dd78518ed3e4a71a763 (diff) | |
| download | linux-83f8a81dece8bc4237d8d94af357fb5df0083e63.tar.gz | |
KVM: arm64: Fix pvtime documentation
This includes table format and using reST labels for
cross-referencing to vcpu.rst.
Suggested-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Usama Arif <usama.arif@bytedance.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20221103131210.3603385-1-usama.arif@bytedance.com
Diffstat (limited to 'Documentation/virt')
| -rw-r--r-- | Documentation/virt/kvm/arm/pvtime.rst | 14 | ||||
| -rw-r--r-- | Documentation/virt/kvm/devices/vcpu.rst | 2 |
2 files changed, 10 insertions, 6 deletions
diff --git a/Documentation/virt/kvm/arm/pvtime.rst b/Documentation/virt/kvm/arm/pvtime.rst index 392521af7c9056..e88b34e586be29 100644 --- a/Documentation/virt/kvm/arm/pvtime.rst +++ b/Documentation/virt/kvm/arm/pvtime.rst @@ -23,21 +23,23 @@ the PV_TIME_FEATURES hypercall should be probed using the SMCCC 1.1 ARCH_FEATURES mechanism before calling it. PV_TIME_FEATURES - ============= ======== ========== + + ============= ======== ================================================= Function ID: (uint32) 0xC5000020 PV_call_id: (uint32) The function to query for support. Currently only PV_TIME_ST is supported. Return value: (int64) NOT_SUPPORTED (-1) or SUCCESS (0) if the relevant PV-time feature is supported by the hypervisor. - ============= ======== ========== + ============= ======== ================================================= PV_TIME_ST - ============= ======== ========== + + ============= ======== ============================================== Function ID: (uint32) 0xC5000021 Return value: (int64) IPA of the stolen time data structure for this VCPU. On failure: NOT_SUPPORTED (-1) - ============= ======== ========== + ============= ======== ============================================== The IPA returned by PV_TIME_ST should be mapped by the guest as normal memory with inner and outer write back caching attributes, in the inner shareable @@ -76,5 +78,5 @@ It is advisable that one or more 64k pages are set aside for the purpose of these structures and not used for other purposes, this enables the guest to map the region using 64k pages and avoids conflicting attributes with other memory. -For the user space interface see Documentation/virt/kvm/devices/vcpu.rst -section "3. GROUP: KVM_ARM_VCPU_PVTIME_CTRL". +For the user space interface see +:ref:`Documentation/virt/kvm/devices/vcpu.rst <kvm_arm_vcpu_pvtime_ctrl>`.
\ No newline at end of file diff --git a/Documentation/virt/kvm/devices/vcpu.rst b/Documentation/virt/kvm/devices/vcpu.rst index 716aa3edae14fd..31f14ec4a65b6a 100644 --- a/Documentation/virt/kvm/devices/vcpu.rst +++ b/Documentation/virt/kvm/devices/vcpu.rst @@ -171,6 +171,8 @@ configured values on other VCPUs. Userspace should configure the interrupt numbers on at least one VCPU after creating all VCPUs and before running any VCPUs. +.. _kvm_arm_vcpu_pvtime_ctrl: + 3. GROUP: KVM_ARM_VCPU_PVTIME_CTRL ================================== |