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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * ACRN HSM: hypercalls of ACRN Hypervisor
4 */
5#ifndef __ACRN_HSM_HYPERCALL_H
6#define __ACRN_HSM_HYPERCALL_H
7#include <asm/acrn.h>
8
9/*
10 * Hypercall IDs of the ACRN Hypervisor
11 */
12#define _HC_ID(x, y) (((x) << 24) | (y))
13
14#define HC_ID 0x80UL
15
16#define HC_ID_GEN_BASE 0x0UL
17#define HC_SOS_REMOVE_CPU _HC_ID(HC_ID, HC_ID_GEN_BASE + 0x01)
18
19#define HC_ID_VM_BASE 0x10UL
20#define HC_CREATE_VM _HC_ID(HC_ID, HC_ID_VM_BASE + 0x00)
21#define HC_DESTROY_VM _HC_ID(HC_ID, HC_ID_VM_BASE + 0x01)
22#define HC_START_VM _HC_ID(HC_ID, HC_ID_VM_BASE + 0x02)
23#define HC_PAUSE_VM _HC_ID(HC_ID, HC_ID_VM_BASE + 0x03)
24#define HC_RESET_VM _HC_ID(HC_ID, HC_ID_VM_BASE + 0x05)
25#define HC_SET_VCPU_REGS _HC_ID(HC_ID, HC_ID_VM_BASE + 0x06)
26
27#define HC_ID_IRQ_BASE 0x20UL
28#define HC_INJECT_MSI _HC_ID(HC_ID, HC_ID_IRQ_BASE + 0x03)
29#define HC_VM_INTR_MONITOR _HC_ID(HC_ID, HC_ID_IRQ_BASE + 0x04)
30#define HC_SET_IRQLINE _HC_ID(HC_ID, HC_ID_IRQ_BASE + 0x05)
31
32#define HC_ID_IOREQ_BASE 0x30UL
33#define HC_SET_IOREQ_BUFFER _HC_ID(HC_ID, HC_ID_IOREQ_BASE + 0x00)
34#define HC_NOTIFY_REQUEST_FINISH _HC_ID(HC_ID, HC_ID_IOREQ_BASE + 0x01)
35
36#define HC_ID_MEM_BASE 0x40UL
37#define HC_VM_SET_MEMORY_REGIONS _HC_ID(HC_ID, HC_ID_MEM_BASE + 0x02)
38
39#define HC_ID_PCI_BASE 0x50UL
40#define HC_SET_PTDEV_INTR _HC_ID(HC_ID, HC_ID_PCI_BASE + 0x03)
41#define HC_RESET_PTDEV_INTR _HC_ID(HC_ID, HC_ID_PCI_BASE + 0x04)
42#define HC_ASSIGN_PCIDEV _HC_ID(HC_ID, HC_ID_PCI_BASE + 0x05)
43#define HC_DEASSIGN_PCIDEV _HC_ID(HC_ID, HC_ID_PCI_BASE + 0x06)
44#define HC_ASSIGN_MMIODEV _HC_ID(HC_ID, HC_ID_PCI_BASE + 0x07)
45#define HC_DEASSIGN_MMIODEV _HC_ID(HC_ID, HC_ID_PCI_BASE + 0x08)
46#define HC_CREATE_VDEV _HC_ID(HC_ID, HC_ID_PCI_BASE + 0x09)
47#define HC_DESTROY_VDEV _HC_ID(HC_ID, HC_ID_PCI_BASE + 0x0A)
48
49#define HC_ID_PM_BASE 0x80UL
50#define HC_PM_GET_CPU_STATE _HC_ID(HC_ID, HC_ID_PM_BASE + 0x00)
51
52/**
53 * hcall_sos_remove_cpu() - Remove a vCPU of Service VM
54 * @cpu: The vCPU to be removed
55 *
56 * Return: 0 on success, <0 on failure
57 */
58static inline long hcall_sos_remove_cpu(u64 cpu)
59{
60 return acrn_hypercall1(HC_SOS_REMOVE_CPU, cpu);
61}
62
63/**
64 * hcall_create_vm() - Create a User VM
65 * @vminfo: Service VM GPA of info of User VM creation
66 *
67 * Return: 0 on success, <0 on failure
68 */
69static inline long hcall_create_vm(u64 vminfo)
70{
71 return acrn_hypercall1(HC_CREATE_VM, vminfo);
72}
73
74/**
75 * hcall_start_vm() - Start a User VM
76 * @vmid: User VM ID
77 *
78 * Return: 0 on success, <0 on failure
79 */
80static inline long hcall_start_vm(u64 vmid)
81{
82 return acrn_hypercall1(HC_START_VM, vmid);
83}
84
85/**
86 * hcall_pause_vm() - Pause a User VM
87 * @vmid: User VM ID
88 *
89 * Return: 0 on success, <0 on failure
90 */
91static inline long hcall_pause_vm(u64 vmid)
92{
93 return acrn_hypercall1(HC_PAUSE_VM, vmid);
94}
95
96/**
97 * hcall_destroy_vm() - Destroy a User VM
98 * @vmid: User VM ID
99 *
100 * Return: 0 on success, <0 on failure
101 */
102static inline long hcall_destroy_vm(u64 vmid)
103{
104 return acrn_hypercall1(HC_DESTROY_VM, vmid);
105}
106
107/**
108 * hcall_reset_vm() - Reset a User VM
109 * @vmid: User VM ID
110 *
111 * Return: 0 on success, <0 on failure
112 */
113static inline long hcall_reset_vm(u64 vmid)
114{
115 return acrn_hypercall1(HC_RESET_VM, vmid);
116}
117
118/**
119 * hcall_set_vcpu_regs() - Set up registers of virtual CPU of a User VM
120 * @vmid: User VM ID
121 * @regs_state: Service VM GPA of registers state
122 *
123 * Return: 0 on success, <0 on failure
124 */
125static inline long hcall_set_vcpu_regs(u64 vmid, u64 regs_state)
126{
127 return acrn_hypercall2(HC_SET_VCPU_REGS, vmid, regs_state);
128}
129
130/**
131 * hcall_inject_msi() - Deliver a MSI interrupt to a User VM
132 * @vmid: User VM ID
133 * @msi: Service VM GPA of MSI message
134 *
135 * Return: 0 on success, <0 on failure
136 */
137static inline long hcall_inject_msi(u64 vmid, u64 msi)
138{
139 return acrn_hypercall2(HC_INJECT_MSI, vmid, msi);
140}
141
142/**
143 * hcall_vm_intr_monitor() - Set a shared page for User VM interrupt statistics
144 * @vmid: User VM ID
145 * @addr: Service VM GPA of the shared page
146 *
147 * Return: 0 on success, <0 on failure
148 */
149static inline long hcall_vm_intr_monitor(u64 vmid, u64 addr)
150{
151 return acrn_hypercall2(HC_VM_INTR_MONITOR, vmid, addr);
152}
153
154/**
155 * hcall_set_irqline() - Set or clear an interrupt line
156 * @vmid: User VM ID
157 * @op: Service VM GPA of interrupt line operations
158 *
159 * Return: 0 on success, <0 on failure
160 */
161static inline long hcall_set_irqline(u64 vmid, u64 op)
162{
163 return acrn_hypercall2(HC_SET_IRQLINE, vmid, op);
164}
165
166/**
167 * hcall_set_ioreq_buffer() - Set up the shared buffer for I/O Requests.
168 * @vmid: User VM ID
169 * @buffer: Service VM GPA of the shared buffer
170 *
171 * Return: 0 on success, <0 on failure
172 */
173static inline long hcall_set_ioreq_buffer(u64 vmid, u64 buffer)
174{
175 return acrn_hypercall2(HC_SET_IOREQ_BUFFER, vmid, buffer);
176}
177
178/**
179 * hcall_notify_req_finish() - Notify ACRN Hypervisor of I/O request completion.
180 * @vmid: User VM ID
181 * @vcpu: The vCPU which initiated the I/O request
182 *
183 * Return: 0 on success, <0 on failure
184 */
185static inline long hcall_notify_req_finish(u64 vmid, u64 vcpu)
186{
187 return acrn_hypercall2(HC_NOTIFY_REQUEST_FINISH, vmid, vcpu);
188}
189
190/**
191 * hcall_set_memory_regions() - Inform the hypervisor to set up EPT mappings
192 * @regions_pa: Service VM GPA of &struct vm_memory_region_batch
193 *
194 * Return: 0 on success, <0 on failure
195 */
196static inline long hcall_set_memory_regions(u64 regions_pa)
197{
198 return acrn_hypercall1(HC_VM_SET_MEMORY_REGIONS, regions_pa);
199}
200
201/**
202 * hcall_create_vdev() - Create a virtual device for a User VM
203 * @vmid: User VM ID
204 * @addr: Service VM GPA of the &struct acrn_vdev
205 *
206 * Return: 0 on success, <0 on failure
207 */
208static inline long hcall_create_vdev(u64 vmid, u64 addr)
209{
210 return acrn_hypercall2(HC_CREATE_VDEV, vmid, addr);
211}
212
213/**
214 * hcall_destroy_vdev() - Destroy a virtual device of a User VM
215 * @vmid: User VM ID
216 * @addr: Service VM GPA of the &struct acrn_vdev
217 *
218 * Return: 0 on success, <0 on failure
219 */
220static inline long hcall_destroy_vdev(u64 vmid, u64 addr)
221{
222 return acrn_hypercall2(HC_DESTROY_VDEV, vmid, addr);
223}
224
225/**
226 * hcall_assign_mmiodev() - Assign a MMIO device to a User VM
227 * @vmid: User VM ID
228 * @addr: Service VM GPA of the &struct acrn_mmiodev
229 *
230 * Return: 0 on success, <0 on failure
231 */
232static inline long hcall_assign_mmiodev(u64 vmid, u64 addr)
233{
234 return acrn_hypercall2(HC_ASSIGN_MMIODEV, vmid, addr);
235}
236
237/**
238 * hcall_deassign_mmiodev() - De-assign a PCI device from a User VM
239 * @vmid: User VM ID
240 * @addr: Service VM GPA of the &struct acrn_mmiodev
241 *
242 * Return: 0 on success, <0 on failure
243 */
244static inline long hcall_deassign_mmiodev(u64 vmid, u64 addr)
245{
246 return acrn_hypercall2(HC_DEASSIGN_MMIODEV, vmid, addr);
247}
248
249/**
250 * hcall_assign_pcidev() - Assign a PCI device to a User VM
251 * @vmid: User VM ID
252 * @addr: Service VM GPA of the &struct acrn_pcidev
253 *
254 * Return: 0 on success, <0 on failure
255 */
256static inline long hcall_assign_pcidev(u64 vmid, u64 addr)
257{
258 return acrn_hypercall2(HC_ASSIGN_PCIDEV, vmid, addr);
259}
260
261/**
262 * hcall_deassign_pcidev() - De-assign a PCI device from a User VM
263 * @vmid: User VM ID
264 * @addr: Service VM GPA of the &struct acrn_pcidev
265 *
266 * Return: 0 on success, <0 on failure
267 */
268static inline long hcall_deassign_pcidev(u64 vmid, u64 addr)
269{
270 return acrn_hypercall2(HC_DEASSIGN_PCIDEV, vmid, addr);
271}
272
273/**
274 * hcall_set_ptdev_intr() - Configure an interrupt for an assigned PCI device.
275 * @vmid: User VM ID
276 * @irq: Service VM GPA of the &struct acrn_ptdev_irq
277 *
278 * Return: 0 on success, <0 on failure
279 */
280static inline long hcall_set_ptdev_intr(u64 vmid, u64 irq)
281{
282 return acrn_hypercall2(HC_SET_PTDEV_INTR, vmid, irq);
283}
284
285/**
286 * hcall_reset_ptdev_intr() - Reset an interrupt for an assigned PCI device.
287 * @vmid: User VM ID
288 * @irq: Service VM GPA of the &struct acrn_ptdev_irq
289 *
290 * Return: 0 on success, <0 on failure
291 */
292static inline long hcall_reset_ptdev_intr(u64 vmid, u64 irq)
293{
294 return acrn_hypercall2(HC_RESET_PTDEV_INTR, vmid, irq);
295}
296
297/*
298 * hcall_get_cpu_state() - Get P-states and C-states info from the hypervisor
299 * @state: Service VM GPA of buffer of P-states and C-states
300 */
301static inline long hcall_get_cpu_state(u64 cmd, u64 state)
302{
303 return acrn_hypercall2(HC_PM_GET_CPU_STATE, cmd, state);
304}
305
306#endif /* __ACRN_HSM_HYPERCALL_H */