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HV: add hypercall interface of get vcpu state data

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We can use this interface for VHM to pass per-cpu power state data
to guest per its request.

For now the vcpu power state is per-vm, this could be changed if
per-cpu power state support is required in the future.

Signed-off-by: Victor Sun <victor.sun@intel.com>
Acked-by: Kevin Tian <kevin.tian@intel.com>
This commit is contained in:
Victor Sun
2018-04-05 17:57:09 +08:00
committed by Jack Ren
parent 0e2b9fc7fa
commit 1d0d4d3185
5 changed files with 97 additions and 0 deletions
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4
hypervisor/include/public/acrn_hv_defs.h
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@@ -99,6 +99,10 @@
#define HC_WORLD_SWITCH _HC_ID(HC_ID, HC_ID_TRUSTY_BASE + 0x01)
#define HC_GET_SEC_INFO _HC_ID(HC_ID, HC_ID_TRUSTY_BASE + 0x02)
/* Power management */
#define HC_ID_PM_BASE 0x80UL
#define HC_PM_GET_CPU_STATE _HC_ID(HC_ID, HC_ID_PM_BASE + 0x00)
#define ACRN_DOM0_VMID (0UL)
#define ACRN_INVALID_VMID (-1)
#define ACRN_INVALID_HPA (-1UL)