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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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11
hypervisor/include/common/hypercall.h
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@@ -333,6 +333,17 @@ int64_t hcall_setup_sbuf(struct vm *vm, uint64_t param);
*
* @return 0 on success, non-zero on error.
*/
int64_t hcall_get_cpu_pm_state(struct vm *vm, uint64_t cmd, uint64_t param);
/**
* @brief Get VCPU Power state.
*
* @param VCPU power state data
*
* @return 0 on success, non-zero on error.
*/
int64_t hcall_world_switch(struct vcpu *vcpu);
/**