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add hypercall hc_sos_offline_cpu support

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SOS boot with all physicall cpus, before running UOS, it should free
CPU resource by offline not used cpus
- first do standard cpu offline flow
- then call hcall_sos_offline_cpu hypercall to release cpu resource really

Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Jason Chen CJ
2018-05-30 22:22:37 +08:00
committed by lijinxia
parent 589c72382a
commit 2dca23c7c9
4 changed files with 40 additions and 0 deletions
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3
hypervisor/arch/x86/guest/vmcall.c
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@@ -38,6 +38,9 @@ int vmcall_vmexit_handler(struct vcpu *vcpu)
/* Dispatch the hypercall handler */
switch (hypcall_id) {
case HC_SOS_OFFLINE_CPU:
ret = hcall_sos_offline_cpu(vm, param1);
break;
case HC_GET_API_VERSION:
#ifdef CONFIG_VM0_DESC
/* vm0 will call HC_GET_API_VERSION as first hypercall, fixup