tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
45#define HC_ID_PM_BASE 0x80UL
46#define HC_PM_GET_CPU_STATE _HC_ID(HC_ID, HC_ID_PM_BASE + 0x00)
47
48/**
49 * hcall_sos_remove_cpu() - Remove a vCPU of Service VM
50 * @cpu: The vCPU to be removed
51 *
52 * Return: 0 on success, <0 on failure
53 */
54static inline long hcall_sos_remove_cpu(u64 cpu)
55{
56 return acrn_hypercall1(HC_SOS_REMOVE_CPU, cpu);
57}
58
59/**
60 * hcall_create_vm() - Create a User VM
61 * @vminfo: Service VM GPA of info of User VM creation
62 *
63 * Return: 0 on success, <0 on failure
64 */
65static inline long hcall_create_vm(u64 vminfo)
66{
67 return acrn_hypercall1(HC_CREATE_VM, vminfo);
68}
69
70/**
71 * hcall_start_vm() - Start a User VM
72 * @vmid: User VM ID
73 *
74 * Return: 0 on success, <0 on failure
75 */
76static inline long hcall_start_vm(u64 vmid)
77{
78 return acrn_hypercall1(HC_START_VM, vmid);
79}
80
81/**
82 * hcall_pause_vm() - Pause a User VM
83 * @vmid: User VM ID
84 *
85 * Return: 0 on success, <0 on failure
86 */
87static inline long hcall_pause_vm(u64 vmid)
88{
89 return acrn_hypercall1(HC_PAUSE_VM, vmid);
90}
91
92/**
93 * hcall_destroy_vm() - Destroy a User VM
94 * @vmid: User VM ID
95 *
96 * Return: 0 on success, <0 on failure
97 */
98static inline long hcall_destroy_vm(u64 vmid)
99{
100 return acrn_hypercall1(HC_DESTROY_VM, vmid);
101}
102
103/**
104 * hcall_reset_vm() - Reset a User VM
105 * @vmid: User VM ID
106 *
107 * Return: 0 on success, <0 on failure
108 */
109static inline long hcall_reset_vm(u64 vmid)
110{
111 return acrn_hypercall1(HC_RESET_VM, vmid);
112}
113
114/**
115 * hcall_set_vcpu_regs() - Set up registers of virtual CPU of a User VM
116 * @vmid: User VM ID
117 * @regs_state: Service VM GPA of registers state
118 *
119 * Return: 0 on success, <0 on failure
120 */
121static inline long hcall_set_vcpu_regs(u64 vmid, u64 regs_state)
122{
123 return acrn_hypercall2(HC_SET_VCPU_REGS, vmid, regs_state);
124}
125
126/**
127 * hcall_inject_msi() - Deliver a MSI interrupt to a User VM
128 * @vmid: User VM ID
129 * @msi: Service VM GPA of MSI message
130 *
131 * Return: 0 on success, <0 on failure
132 */
133static inline long hcall_inject_msi(u64 vmid, u64 msi)
134{
135 return acrn_hypercall2(HC_INJECT_MSI, vmid, msi);
136}
137
138/**
139 * hcall_vm_intr_monitor() - Set a shared page for User VM interrupt statistics
140 * @vmid: User VM ID
141 * @addr: Service VM GPA of the shared page
142 *
143 * Return: 0 on success, <0 on failure
144 */
145static inline long hcall_vm_intr_monitor(u64 vmid, u64 addr)
146{
147 return acrn_hypercall2(HC_VM_INTR_MONITOR, vmid, addr);
148}
149
150/**
151 * hcall_set_irqline() - Set or clear an interrupt line
152 * @vmid: User VM ID
153 * @op: Service VM GPA of interrupt line operations
154 *
155 * Return: 0 on success, <0 on failure
156 */
157static inline long hcall_set_irqline(u64 vmid, u64 op)
158{
159 return acrn_hypercall2(HC_SET_IRQLINE, vmid, op);
160}
161
162/**
163 * hcall_set_ioreq_buffer() - Set up the shared buffer for I/O Requests.
164 * @vmid: User VM ID
165 * @buffer: Service VM GPA of the shared buffer
166 *
167 * Return: 0 on success, <0 on failure
168 */
169static inline long hcall_set_ioreq_buffer(u64 vmid, u64 buffer)
170{
171 return acrn_hypercall2(HC_SET_IOREQ_BUFFER, vmid, buffer);
172}
173
174/**
175 * hcall_notify_req_finish() - Notify ACRN Hypervisor of I/O request completion.
176 * @vmid: User VM ID
177 * @vcpu: The vCPU which initiated the I/O request
178 *
179 * Return: 0 on success, <0 on failure
180 */
181static inline long hcall_notify_req_finish(u64 vmid, u64 vcpu)
182{
183 return acrn_hypercall2(HC_NOTIFY_REQUEST_FINISH, vmid, vcpu);
184}
185
186/**
187 * hcall_set_memory_regions() - Inform the hypervisor to set up EPT mappings
188 * @regions_pa: Service VM GPA of &struct vm_memory_region_batch
189 *
190 * Return: 0 on success, <0 on failure
191 */
192static inline long hcall_set_memory_regions(u64 regions_pa)
193{
194 return acrn_hypercall1(HC_VM_SET_MEMORY_REGIONS, regions_pa);
195}
196
197/**
198 * hcall_assign_pcidev() - Assign a PCI device to a User VM
199 * @vmid: User VM ID
200 * @addr: Service VM GPA of the &struct acrn_pcidev
201 *
202 * Return: 0 on success, <0 on failure
203 */
204static inline long hcall_assign_pcidev(u64 vmid, u64 addr)
205{
206 return acrn_hypercall2(HC_ASSIGN_PCIDEV, vmid, addr);
207}
208
209/**
210 * hcall_deassign_pcidev() - De-assign a PCI device from a User VM
211 * @vmid: User VM ID
212 * @addr: Service VM GPA of the &struct acrn_pcidev
213 *
214 * Return: 0 on success, <0 on failure
215 */
216static inline long hcall_deassign_pcidev(u64 vmid, u64 addr)
217{
218 return acrn_hypercall2(HC_DEASSIGN_PCIDEV, vmid, addr);
219}
220
221/**
222 * hcall_set_ptdev_intr() - Configure an interrupt for an assigned PCI device.
223 * @vmid: User VM ID
224 * @irq: Service VM GPA of the &struct acrn_ptdev_irq
225 *
226 * Return: 0 on success, <0 on failure
227 */
228static inline long hcall_set_ptdev_intr(u64 vmid, u64 irq)
229{
230 return acrn_hypercall2(HC_SET_PTDEV_INTR, vmid, irq);
231}
232
233/**
234 * hcall_reset_ptdev_intr() - Reset an interrupt for an assigned PCI device.
235 * @vmid: User VM ID
236 * @irq: Service VM GPA of the &struct acrn_ptdev_irq
237 *
238 * Return: 0 on success, <0 on failure
239 */
240static inline long hcall_reset_ptdev_intr(u64 vmid, u64 irq)
241{
242 return acrn_hypercall2(HC_RESET_PTDEV_INTR, vmid, irq);
243}
244
245/*
246 * hcall_get_cpu_state() - Get P-states and C-states info from the hypervisor
247 * @state: Service VM GPA of buffer of P-states and C-states
248 */
249static inline long hcall_get_cpu_state(u64 cmd, u64 state)
250{
251 return acrn_hypercall2(HC_PM_GET_CPU_STATE, cmd, state);
252}
253
254#endif /* __ACRN_HSM_HYPERCALL_H */