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| author | Marc Zyngier | 2018-02-06 18:56:09 +0100 |
|---|---|---|
| committer | Catalin Marinas | 2018-02-06 23:53:56 +0100 |
| commit | d0a144f12a7ca8368933eae6583c096c363ec506 (patch) | |
| tree | 9cfb945f9b554eba767ec62bd61d901beb596f0f /include/uapi/linux/psci.h | |
| parent | arm/arm64: KVM: Consolidate the PSCI include files (diff) | |
| download | kernel-qcow2-linux-d0a144f12a7ca8368933eae6583c096c363ec506.tar.gz kernel-qcow2-linux-d0a144f12a7ca8368933eae6583c096c363ec506.tar.xz kernel-qcow2-linux-d0a144f12a7ca8368933eae6583c096c363ec506.zip | |
arm/arm64: KVM: Add PSCI_VERSION helper
As we're about to trigger a PSCI version explosion, it doesn't
hurt to introduce a PSCI_VERSION helper that is going to be
used everywhere.
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'include/uapi/linux/psci.h')
| -rw-r--r-- | include/uapi/linux/psci.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/uapi/linux/psci.h b/include/uapi/linux/psci.h index 760e52a9640f..b3bcabe380da 100644 --- a/include/uapi/linux/psci.h +++ b/include/uapi/linux/psci.h @@ -88,6 +88,9 @@ (((ver) & PSCI_VERSION_MAJOR_MASK) >> PSCI_VERSION_MAJOR_SHIFT) #define PSCI_VERSION_MINOR(ver) \ ((ver) & PSCI_VERSION_MINOR_MASK) +#define PSCI_VERSION(maj, min) \ + ((((maj) << PSCI_VERSION_MAJOR_SHIFT) & PSCI_VERSION_MAJOR_MASK) | \ + ((min) & PSCI_VERSION_MINOR_MASK)) /* PSCI features decoding (>=1.0) */ #define PSCI_1_0_FEATURES_CPU_SUSPEND_PF_SHIFT 1 |