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HV: validate target vm in hypercall

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- The target vm in most of hypercalls should be a NORMAL_VM, in some
exceptions it might be a SOS_VM, we should validate them.

- Please be aware that some hypercall might have limitation on specific
target vm like RT or SAFETY VMs, this leaves "TODO" in future;

- Unify the coding style:

	int32_t hcall_foo(vm, target_vm_id, ...)
	{
		int32_t ret = -1;
		...

		if ((is_valid_vm(target_vm) && is_normal_vm(target_vm)) {
			ret = ....
		}

		return ret;
	}

Tracked-On: #2978

Signed-off-by: Victor Sun <victor.sun@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Victor Sun
2019-04-18 23:34:49 +08:00
committed by wenlingz
parent 82181f4cdc
commit 9673f3dad4
3 changed files with 123 additions and 141 deletions
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1
hypervisor/include/arch/x86/guest/vm.h
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@@ -205,6 +205,7 @@ void prepare_vm(uint16_t vm_id, struct acrn_vm_config *vm_config);
void launch_vms(uint16_t pcpu_id);
bool is_valid_vm(const struct acrn_vm *vm);
bool is_sos_vm(const struct acrn_vm *vm);
bool is_normal_vm(const struct acrn_vm *vm);
bool is_prelaunched_vm(const struct acrn_vm *vm);
uint16_t get_vmid_by_uuid(const uint8_t *uuid);
struct acrn_vm *get_vm_from_vmid(uint16_t vm_id);