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HV: introduce relative vm id for hcall api

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On SDC scenario, SOS VM id is fixed to 0 so some hypercalls from guest
are using hardcoded "0" to represent SOS VM, this would bring issues
for HYBRID scenario which SOS VM id is non-zero.

Now introducing a new VM id concept for DM/VHM hypercall APIs, that
return a relative VM id which is from SOS view when create VM for post-
launched VMs. DM/VHM could always treat their own vm id is "0". When they
make hypercalls, hypervisor will convert the VM id to the absolute id
when dispatch the hypercalls.

Tracked-On: #3214

Signed-off-by: Victor Sun <victor.sun@intel.com>
Acked-by: Eddie Dong <eddie.dong@Intel.com>
This commit is contained in:
Victor Sun
2019-06-10 10:50:48 +08:00
committed by ACRN System Integration
parent 3d3de6bd38
commit f83ddd393f
3 changed files with 40 additions and 24 deletions
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10
hypervisor/include/arch/x86/guest/vm.h
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@@ -180,6 +180,16 @@ static inline struct acrn_vcpu *vcpu_from_pid(struct acrn_vm *vm, uint16_t pcpu_
return target_vcpu;
}
/* Convert relative vm id to absolute vm id */
static inline uint16_t rel_vmid_2_vmid(uint16_t sos_vmid, uint16_t rel_vmid) {
return (sos_vmid + rel_vmid);
}
/* Convert absolute vm id to relative vm id */
static inline uint16_t vmid_2_rel_vmid(uint16_t sos_vmid, uint16_t vmid) {
return (vmid - sos_vmid);
}
int32_t shutdown_vm(struct acrn_vm *vm);
void pause_vm(struct acrn_vm *vm);
void resume_vm_from_s3(struct acrn_vm *vm, uint32_t wakeup_vec);