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hv: refine msi interrupt injection functions

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1. refine the prototype of 'inject_msi_lapic_pt()'
 2. rename below function:
    - rename 'vlapic_intr_msi()' to 'vlapic_inject_msi()'
    - rename 'inject_msi_lapic_pt()' to
      'inject_msi_for_lapic_pt()'
    - rename 'inject_msi_lapic_virt()' to
      'inject_msi_for_non_lapic_pt()'

Tracked-On: #5407
Signed-off-by: Yonghua Huang <yonghua.huang@intel.com>
Reviewed-by: Li Fei <fei1.li@intel.com>
Reviewed-by: Wang, Yu1 <yu1.wang@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Yonghua Huang
2020-10-11 19:34:10 +08:00
committed by wenlingz
parent 012927d0bd
commit 3ea1ae1e11
4 changed files with 54 additions and 37 deletions
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27
hypervisor/common/hypercall.c
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@@ -438,32 +438,7 @@ int32_t hcall_inject_msi(struct acrn_vm *vm, struct acrn_vm *target_vm, __unused
struct acrn_msi_entry msi;
if (copy_from_gpa(vm, &msi, param2, sizeof(msi)) == 0) {
/* For target cpu with lapic pt, send ipi instead of injection via vlapic */
if (is_lapic_pt_configured(target_vm)) {
enum vm_vlapic_mode vlapic_mode = check_vm_vlapic_mode(target_vm);
if (vlapic_mode == VM_VLAPIC_X2APIC) {
/*
* All the vCPUs of VM are in x2APIC mode and LAPIC is PT
* Inject the vMSI as an IPI directly to VM
*/
inject_msi_lapic_pt(target_vm, &msi);
ret = 0;
} else if (vlapic_mode == VM_VLAPIC_XAPIC) {
/*
* All the vCPUs of VM are in xAPIC and use vLAPIC
* Inject using vLAPIC
*/
ret = vlapic_intr_msi(target_vm, msi.msi_addr, msi.msi_data);
} else {
/*
* For cases VM_VLAPIC_DISABLED and VM_VLAPIC_TRANSITION
* Silently drop interrupt
*/
}
} else {
ret = vlapic_intr_msi(target_vm, msi.msi_addr, msi.msi_data);
}
ret = vlapic_inject_msi(target_vm, msi.msi_addr, msi.msi_data);
}
}