xref: /openbmc/linux/drivers/virt/acrn/hypercall.h (revision 88f537d5)
19c5137aeSShuo Liu /* SPDX-License-Identifier: GPL-2.0 */
29c5137aeSShuo Liu /*
39c5137aeSShuo Liu  * ACRN HSM: hypercalls of ACRN Hypervisor
49c5137aeSShuo Liu  */
59c5137aeSShuo Liu #ifndef __ACRN_HSM_HYPERCALL_H
69c5137aeSShuo Liu #define __ACRN_HSM_HYPERCALL_H
79c5137aeSShuo Liu #include <asm/acrn.h>
89c5137aeSShuo Liu 
99c5137aeSShuo Liu /*
109c5137aeSShuo Liu  * Hypercall IDs of the ACRN Hypervisor
119c5137aeSShuo Liu  */
129c5137aeSShuo Liu #define _HC_ID(x, y) (((x) << 24) | (y))
139c5137aeSShuo Liu 
149c5137aeSShuo Liu #define HC_ID 0x80UL
159c5137aeSShuo Liu 
169c5137aeSShuo Liu #define HC_ID_VM_BASE			0x10UL
179c5137aeSShuo Liu #define HC_CREATE_VM			_HC_ID(HC_ID, HC_ID_VM_BASE + 0x00)
189c5137aeSShuo Liu #define HC_DESTROY_VM			_HC_ID(HC_ID, HC_ID_VM_BASE + 0x01)
199c5137aeSShuo Liu #define HC_START_VM			_HC_ID(HC_ID, HC_ID_VM_BASE + 0x02)
209c5137aeSShuo Liu #define HC_PAUSE_VM			_HC_ID(HC_ID, HC_ID_VM_BASE + 0x03)
219c5137aeSShuo Liu #define HC_RESET_VM			_HC_ID(HC_ID, HC_ID_VM_BASE + 0x05)
222ad2aaeeSShuo Liu #define HC_SET_VCPU_REGS		_HC_ID(HC_ID, HC_ID_VM_BASE + 0x06)
239c5137aeSShuo Liu 
24*88f537d5SShuo Liu #define HC_ID_MEM_BASE			0x40UL
25*88f537d5SShuo Liu #define HC_VM_SET_MEMORY_REGIONS	_HC_ID(HC_ID, HC_ID_MEM_BASE + 0x02)
26*88f537d5SShuo Liu 
279c5137aeSShuo Liu /**
289c5137aeSShuo Liu  * hcall_create_vm() - Create a User VM
299c5137aeSShuo Liu  * @vminfo:	Service VM GPA of info of User VM creation
309c5137aeSShuo Liu  *
319c5137aeSShuo Liu  * Return: 0 on success, <0 on failure
329c5137aeSShuo Liu  */
339c5137aeSShuo Liu static inline long hcall_create_vm(u64 vminfo)
349c5137aeSShuo Liu {
359c5137aeSShuo Liu 	return acrn_hypercall1(HC_CREATE_VM, vminfo);
369c5137aeSShuo Liu }
379c5137aeSShuo Liu 
389c5137aeSShuo Liu /**
399c5137aeSShuo Liu  * hcall_start_vm() - Start a User VM
409c5137aeSShuo Liu  * @vmid:	User VM ID
419c5137aeSShuo Liu  *
429c5137aeSShuo Liu  * Return: 0 on success, <0 on failure
439c5137aeSShuo Liu  */
449c5137aeSShuo Liu static inline long hcall_start_vm(u64 vmid)
459c5137aeSShuo Liu {
469c5137aeSShuo Liu 	return acrn_hypercall1(HC_START_VM, vmid);
479c5137aeSShuo Liu }
489c5137aeSShuo Liu 
499c5137aeSShuo Liu /**
509c5137aeSShuo Liu  * hcall_pause_vm() - Pause a User VM
519c5137aeSShuo Liu  * @vmid:	User VM ID
529c5137aeSShuo Liu  *
539c5137aeSShuo Liu  * Return: 0 on success, <0 on failure
549c5137aeSShuo Liu  */
559c5137aeSShuo Liu static inline long hcall_pause_vm(u64 vmid)
569c5137aeSShuo Liu {
579c5137aeSShuo Liu 	return acrn_hypercall1(HC_PAUSE_VM, vmid);
589c5137aeSShuo Liu }
599c5137aeSShuo Liu 
609c5137aeSShuo Liu /**
619c5137aeSShuo Liu  * hcall_destroy_vm() - Destroy a User VM
629c5137aeSShuo Liu  * @vmid:	User VM ID
639c5137aeSShuo Liu  *
649c5137aeSShuo Liu  * Return: 0 on success, <0 on failure
659c5137aeSShuo Liu  */
669c5137aeSShuo Liu static inline long hcall_destroy_vm(u64 vmid)
679c5137aeSShuo Liu {
689c5137aeSShuo Liu 	return acrn_hypercall1(HC_DESTROY_VM, vmid);
699c5137aeSShuo Liu }
709c5137aeSShuo Liu 
719c5137aeSShuo Liu /**
729c5137aeSShuo Liu  * hcall_reset_vm() - Reset a User VM
739c5137aeSShuo Liu  * @vmid:	User VM ID
749c5137aeSShuo Liu  *
759c5137aeSShuo Liu  * Return: 0 on success, <0 on failure
769c5137aeSShuo Liu  */
779c5137aeSShuo Liu static inline long hcall_reset_vm(u64 vmid)
789c5137aeSShuo Liu {
799c5137aeSShuo Liu 	return acrn_hypercall1(HC_RESET_VM, vmid);
809c5137aeSShuo Liu }
819c5137aeSShuo Liu 
822ad2aaeeSShuo Liu /**
832ad2aaeeSShuo Liu  * hcall_set_vcpu_regs() - Set up registers of virtual CPU of a User VM
842ad2aaeeSShuo Liu  * @vmid:	User VM ID
852ad2aaeeSShuo Liu  * @regs_state:	Service VM GPA of registers state
862ad2aaeeSShuo Liu  *
872ad2aaeeSShuo Liu  * Return: 0 on success, <0 on failure
882ad2aaeeSShuo Liu  */
892ad2aaeeSShuo Liu static inline long hcall_set_vcpu_regs(u64 vmid, u64 regs_state)
902ad2aaeeSShuo Liu {
912ad2aaeeSShuo Liu 	return acrn_hypercall2(HC_SET_VCPU_REGS, vmid, regs_state);
922ad2aaeeSShuo Liu }
932ad2aaeeSShuo Liu 
94*88f537d5SShuo Liu /**
95*88f537d5SShuo Liu  * hcall_set_memory_regions() - Inform the hypervisor to set up EPT mappings
96*88f537d5SShuo Liu  * @regions_pa:	Service VM GPA of &struct vm_memory_region_batch
97*88f537d5SShuo Liu  *
98*88f537d5SShuo Liu  * Return: 0 on success, <0 on failure
99*88f537d5SShuo Liu  */
100*88f537d5SShuo Liu static inline long hcall_set_memory_regions(u64 regions_pa)
101*88f537d5SShuo Liu {
102*88f537d5SShuo Liu 	return acrn_hypercall1(HC_VM_SET_MEMORY_REGIONS, regions_pa);
103*88f537d5SShuo Liu }
104*88f537d5SShuo Liu 
1059c5137aeSShuo Liu #endif /* __ACRN_HSM_HYPERCALL_H */
106