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hv: vpci: create iommu domain in vpci_init for all guests

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Create an iommu domain for all guest in vpci_init no matter if there's a PTDev
in it.

Tracked-On: #3475
Signed-off-by: Li, Fei1 <fei1.li@intel.com>
Reviewed-by: Eddie Dong <eddie.dong@intel.com>
Reviewed-by: Dongsheng Zhang <dongsheng.x.zhang@intel.com>
This commit is contained in:
Li, Fei1
2019-08-01 21:56:45 +08:00
committed by ACRN System Integration
parent 599a058403
commit 5471473f60
3 changed files with 10 additions and 36 deletions
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20
hypervisor/common/hypercall.c
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@@ -874,7 +874,6 @@ int32_t hcall_assign_ptdev(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
uint16_t bdf;
struct acrn_vm *target_vm = get_vm_from_vmid(vmid);
bool bdf_valid = true;
bool iommu_valid = true;
if (!is_poweroff_vm(target_vm) && is_postlaunched_vm(target_vm)) {
if (param < 0x10000UL) {
@@ -888,24 +887,7 @@ int32_t hcall_assign_ptdev(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
}
}
/* create a iommu domain for target VM if not created */
if (bdf_valid && (target_vm->iommu == NULL)) {
if (target_vm->arch_vm.nworld_eptp == NULL) {
pr_err("%s, EPT of VM not set!\n",
__func__, target_vm->vm_id);
iommu_valid = false;
ret = -EPERM;
} else {
/* TODO: how to get vm's address width? */
target_vm->iommu = create_iommu_domain(vmid,
hva2hpa(target_vm->arch_vm.nworld_eptp), 48U);
if (target_vm->iommu == NULL) {
iommu_valid = false;
ret = -ENODEV;
}
}
}
if (bdf_valid && iommu_valid) {
if (bdf_valid) {
ret = move_pt_device(vm->iommu, target_vm->iommu,
(uint8_t)(bdf >> 8U), (uint8_t)(bdf & 0xffU));
}