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hv: return pre-defined vcpu_num from HV to upper layer

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There is plan that define each VM configuration statically in HV and let
DM just do VM creating and destroying. So DM need get vcpu_num
information when VM creating.

This patch return the vcpu_num via the API param. And also initial the
VMs' cpu_num for existing scenarios.

Tracked-On: #3663
Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
Signed-off-by: Yu Wang <yu1.wang@intel.com>
Signed-off-by: Shuo A Liu <shuo.a.liu@intel.com>
Reviewed-by: Yin Fengwei <fengwei.yin@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Shuo A Liu
2019-05-21 15:58:23 +08:00
committed by ACRN System Integration
parent 59e39c5fbb
commit ca2540fe8c
8 changed files with 17 additions and 1 deletions
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3
hypervisor/common/hypercall.c
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@@ -175,10 +175,11 @@ int32_t hcall_create_vm(struct acrn_vm *vm, uint64_t param)
} else {
/* return a relative vm_id from SOS view */
cv.vmid = vmid_2_rel_vmid(vm->vm_id, vm_id);
cv.vcpu_num = vm_config->vcpu_num;
ret = 0;
}
if (copy_to_gpa(vm, &cv.vmid, param, sizeof(cv.vmid)) != 0) {
if (copy_to_gpa(vm, &cv, param, sizeof(cv)) != 0) {
pr_err("%s: Unable copy param to vm\n", __func__);
ret = -1;
}