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hv: Boot multiple OS for Partitioning mode ACRN

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ACRN in partitioning mode boots multiple OS. Adding code to parse
VM description structure and a reference description structure for
booting 2 OSes.

Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com>
This commit is contained in:
Sainath Grandhi
2018-08-08 22:30:57 -07:00
committed by lijinxia
parent 5e32c0227f
commit ff96453993
4 changed files with 130 additions and 1 deletions
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35
hypervisor/arch/x86/guest/vm.c
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@@ -404,6 +404,40 @@ void resume_vm_from_s3(struct vm *vm, uint32_t wakeup_vec)
schedule_vcpu(bsp);
}
#ifdef CONFIG_PARTITION_MODE
/* Create vm/vcpu for vm */
int prepare_vm(uint16_t pcpu_id)
{
int ret = 0;
uint16_t i;
struct vm *vm = NULL;
const struct vm_description *vm_desc = NULL;
bool is_vm_bsp;
vm_desc = pcpu_vm_desc_map[pcpu_id].vm_desc_ptr;
is_vm_bsp = pcpu_vm_desc_map[pcpu_id].is_bsp;
if (is_vm_bsp) {
ret = create_vm(vm_desc, &vm);
ASSERT(ret == 0, "VM creation failed!");
prepare_vcpu(vm, vm_desc->vm_pcpu_ids[0]);
/* Prepare the AP for vm */
for (i = 1U; i < vm_desc->vm_hw_num_cores; i++)
prepare_vcpu(vm, vm_desc->vm_pcpu_ids[i]);
/* start vm BSP automatically */
start_vm(vm);
pr_acrnlog("Start VM%x", vm_desc->vm_id);
}
return ret;
}
#else
/* Create vm/vcpu for vm0 */
int prepare_vm0(void)
{
@@ -448,6 +482,7 @@ int prepare_vm(uint16_t pcpu_id)
return err;
}
#endif
#ifdef CONFIG_VM0_DESC
static inline bool vcpu_in_vm_desc(struct vcpu *vcpu,