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authorThomas Gleixner <tglx@linutronix.de>2007-10-11 05:20:03 -0400
committerThomas Gleixner <tglx@linutronix.de>2007-10-11 05:20:03 -0400
commit96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 (patch)
treed947a467aa2da3140279617bc4b9b101640d7bf4 /include/asm-x86/xen/hypercall.h
parent27bd0c955648646abf2a353a8371d28c37bcd982 (diff)
i386/x86_64: move headers to include/asm-x86
Move the headers to include/asm-x86 and fixup the header install make rules Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/xen/hypercall.h')
-rw-r--r--include/asm-x86/xen/hypercall.h413
1 files changed, 413 insertions, 0 deletions
diff --git a/include/asm-x86/xen/hypercall.h b/include/asm-x86/xen/hypercall.h
new file mode 100644
index 000000000000..bc0ee7d961ca
--- /dev/null
+++ b/include/asm-x86/xen/hypercall.h
@@ -0,0 +1,413 @@
1/******************************************************************************
2 * hypercall.h
3 *
4 * Linux-specific hypervisor handling.
5 *
6 * Copyright (c) 2002-2004, K A Fraser
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License version 2
10 * as published by the Free Software Foundation; or, when distributed
11 * separately from the Linux kernel or incorporated into other
12 * software packages, subject to the following license:
13 *
14 * Permission is hereby granted, free of charge, to any person obtaining a copy
15 * of this source file (the "Software"), to deal in the Software without
16 * restriction, including without limitation the rights to use, copy, modify,
17 * merge, publish, distribute, sublicense, and/or sell copies of the Software,
18 * and to permit persons to whom the Software is furnished to do so, subject to
19 * the following conditions:
20 *
21 * The above copyright notice and this permission notice shall be included in
22 * all copies or substantial portions of the Software.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
25 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
26 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
27 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
28 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
29 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
30 * IN THE SOFTWARE.
31 */
32
33#ifndef __HYPERCALL_H__
34#define __HYPERCALL_H__
35
36#include <linux/errno.h>
37#include <linux/string.h>
38
39#include <xen/interface/xen.h>
40#include <xen/interface/sched.h>
41#include <xen/interface/physdev.h>
42
43extern struct { char _entry[32]; } hypercall_page[];
44
45#define _hypercall0(type, name) \
46({ \
47 long __res; \
48 asm volatile ( \
49 "call %[call]" \
50 : "=a" (__res) \
51 : [call] "m" (hypercall_page[__HYPERVISOR_##name]) \
52 : "memory" ); \
53 (type)__res; \
54})
55
56#define _hypercall1(type, name, a1) \
57({ \
58 long __res, __ign1; \
59 asm volatile ( \
60 "call %[call]" \
61 : "=a" (__res), "=b" (__ign1) \
62 : "1" ((long)(a1)), \
63 [call] "m" (hypercall_page[__HYPERVISOR_##name]) \
64 : "memory" ); \
65 (type)__res; \
66})
67
68#define _hypercall2(type, name, a1, a2) \
69({ \
70 long __res, __ign1, __ign2; \
71 asm volatile ( \
72 "call %[call]" \
73 : "=a" (__res), "=b" (__ign1), "=c" (__ign2) \
74 : "1" ((long)(a1)), "2" ((long)(a2)), \
75 [call] "m" (hypercall_page[__HYPERVISOR_##name]) \
76 : "memory" ); \
77 (type)__res; \
78})
79
80#define _hypercall3(type, name, a1, a2, a3) \
81({ \
82 long __res, __ign1, __ign2, __ign3; \
83 asm volatile ( \
84 "call %[call]" \
85 : "=a" (__res), "=b" (__ign1), "=c" (__ign2), \
86 "=d" (__ign3) \
87 : "1" ((long)(a1)), "2" ((long)(a2)), \
88 "3" ((long)(a3)), \
89 [call] "m" (hypercall_page[__HYPERVISOR_##name]) \
90 : "memory" ); \
91 (type)__res; \
92})
93
94#define _hypercall4(type, name, a1, a2, a3, a4) \
95({ \
96 long __res, __ign1, __ign2, __ign3, __ign4; \
97 asm volatile ( \
98 "call %[call]" \
99 : "=a" (__res), "=b" (__ign1), "=c" (__ign2), \
100 "=d" (__ign3), "=S" (__ign4) \
101 : "1" ((long)(a1)), "2" ((long)(a2)), \
102 "3" ((long)(a3)), "4" ((long)(a4)), \
103 [call] "m" (hypercall_page[__HYPERVISOR_##name]) \
104 : "memory" ); \
105 (type)__res; \
106})
107
108#define _hypercall5(type, name, a1, a2, a3, a4, a5) \
109({ \
110 long __res, __ign1, __ign2, __ign3, __ign4, __ign5; \
111 asm volatile ( \
112 "call %[call]" \
113 : "=a" (__res), "=b" (__ign1), "=c" (__ign2), \
114 "=d" (__ign3), "=S" (__ign4), "=D" (__ign5) \
115 : "1" ((long)(a1)), "2" ((long)(a2)), \
116 "3" ((long)(a3)), "4" ((long)(a4)), \
117 "5" ((long)(a5)), \
118 [call] "m" (hypercall_page[__HYPERVISOR_##name]) \
119 : "memory" ); \
120 (type)__res; \
121})
122
123static inline int
124HYPERVISOR_set_trap_table(struct trap_info *table)
125{
126 return _hypercall1(int, set_trap_table, table);
127}
128
129static inline int
130HYPERVISOR_mmu_update(struct mmu_update *req, int count,
131 int *success_count, domid_t domid)
132{
133 return _hypercall4(int, mmu_update, req, count, success_count, domid);
134}
135
136static inline int
137HYPERVISOR_mmuext_op(struct mmuext_op *op, int count,
138 int *success_count, domid_t domid)
139{
140 return _hypercall4(int, mmuext_op, op, count, success_count, domid);
141}
142
143static inline int
144HYPERVISOR_set_gdt(unsigned long *frame_list, int entries)
145{
146 return _hypercall2(int, set_gdt, frame_list, entries);
147}
148
149static inline int
150HYPERVISOR_stack_switch(unsigned long ss, unsigned long esp)
151{
152 return _hypercall2(int, stack_switch, ss, esp);
153}
154
155static inline int
156HYPERVISOR_set_callbacks(unsigned long event_selector,
157 unsigned long event_address,
158 unsigned long failsafe_selector,
159 unsigned long failsafe_address)
160{
161 return _hypercall4(int, set_callbacks,
162 event_selector, event_address,
163 failsafe_selector, failsafe_address);
164}
165
166static inline int
167HYPERVISOR_fpu_taskswitch(int set)
168{
169 return _hypercall1(int, fpu_taskswitch, set);
170}
171
172static inline int
173HYPERVISOR_sched_op(int cmd, unsigned long arg)
174{
175 return _hypercall2(int, sched_op, cmd, arg);
176}
177
178static inline long
179HYPERVISOR_set_timer_op(u64 timeout)
180{
181 unsigned long timeout_hi = (unsigned long)(timeout>>32);
182 unsigned long timeout_lo = (unsigned long)timeout;
183 return _hypercall2(long, set_timer_op, timeout_lo, timeout_hi);
184}
185
186static inline int
187HYPERVISOR_set_debugreg(int reg, unsigned long value)
188{
189 return _hypercall2(int, set_debugreg, reg, value);
190}
191
192static inline unsigned long
193HYPERVISOR_get_debugreg(int reg)
194{
195 return _hypercall1(unsigned long, get_debugreg, reg);
196}
197
198static inline int
199HYPERVISOR_update_descriptor(u64 ma, u64 desc)
200{
201 return _hypercall4(int, update_descriptor, ma, ma>>32, desc, desc>>32);
202}
203
204static inline int
205HYPERVISOR_memory_op(unsigned int cmd, void *arg)
206{
207 return _hypercall2(int, memory_op, cmd, arg);
208}
209
210static inline int
211HYPERVISOR_multicall(void *call_list, int nr_calls)
212{
213 return _hypercall2(int, multicall, call_list, nr_calls);
214}
215
216static inline int
217HYPERVISOR_update_va_mapping(unsigned long va, pte_t new_val,
218 unsigned long flags)
219{
220 unsigned long pte_hi = 0;
221#ifdef CONFIG_X86_PAE
222 pte_hi = new_val.pte_high;
223#endif
224 return _hypercall4(int, update_va_mapping, va,
225 new_val.pte_low, pte_hi, flags);
226}
227
228static inline int
229HYPERVISOR_event_channel_op(int cmd, void *arg)
230{
231 int rc = _hypercall2(int, event_channel_op, cmd, arg);
232 if (unlikely(rc == -ENOSYS)) {
233 struct evtchn_op op;
234 op.cmd = cmd;
235 memcpy(&op.u, arg, sizeof(op.u));
236 rc = _hypercall1(int, event_channel_op_compat, &op);
237 memcpy(arg, &op.u, sizeof(op.u));
238 }
239 return rc;
240}
241
242static inline int
243HYPERVISOR_xen_version(int cmd, void *arg)
244{
245 return _hypercall2(int, xen_version, cmd, arg);
246}
247
248static inline int
249HYPERVISOR_console_io(int cmd, int count, char *str)
250{
251 return _hypercall3(int, console_io, cmd, count, str);
252}
253
254static inline int
255HYPERVISOR_physdev_op(int cmd, void *arg)
256{
257 int rc = _hypercall2(int, physdev_op, cmd, arg);
258 if (unlikely(rc == -ENOSYS)) {
259 struct physdev_op op;
260 op.cmd = cmd;
261 memcpy(&op.u, arg, sizeof(op.u));
262 rc = _hypercall1(int, physdev_op_compat, &op);
263 memcpy(arg, &op.u, sizeof(op.u));
264 }
265 return rc;
266}
267
268static inline int
269HYPERVISOR_grant_table_op(unsigned int cmd, void *uop, unsigned int count)
270{
271 return _hypercall3(int, grant_table_op, cmd, uop, count);
272}
273
274static inline int
275HYPERVISOR_update_va_mapping_otherdomain(unsigned long va, pte_t new_val,
276 unsigned long flags, domid_t domid)
277{
278 unsigned long pte_hi = 0;
279#ifdef CONFIG_X86_PAE
280 pte_hi = new_val.pte_high;
281#endif
282 return _hypercall5(int, update_va_mapping_otherdomain, va,
283 new_val.pte_low, pte_hi, flags, domid);
284}
285
286static inline int
287HYPERVISOR_vm_assist(unsigned int cmd, unsigned int type)
288{
289 return _hypercall2(int, vm_assist, cmd, type);
290}
291
292static inline int
293HYPERVISOR_vcpu_op(int cmd, int vcpuid, void *extra_args)
294{
295 return _hypercall3(int, vcpu_op, cmd, vcpuid, extra_args);
296}
297
298static inline int
299HYPERVISOR_suspend(unsigned long srec)
300{
301 return _hypercall3(int, sched_op, SCHEDOP_shutdown,
302 SHUTDOWN_suspend, srec);
303}
304
305static inline int
306HYPERVISOR_nmi_op(unsigned long op, unsigned long arg)
307{
308 return _hypercall2(int, nmi_op, op, arg);
309}
310
311static inline void
312MULTI_update_va_mapping(struct multicall_entry *mcl, unsigned long va,
313 pte_t new_val, unsigned long flags)
314{
315 mcl->op = __HYPERVISOR_update_va_mapping;
316 mcl->args[0] = va;
317#ifdef CONFIG_X86_PAE
318 mcl->args[1] = new_val.pte_low;
319 mcl->args[2] = new_val.pte_high;
320#else
321 mcl->args[1] = new_val.pte_low;
322 mcl->args[2] = 0;
323#endif
324 mcl->args[3] = flags;
325}
326
327static inline void
328MULTI_grant_table_op(struct multicall_entry *mcl, unsigned int cmd,
329 void *uop, unsigned int count)
330{
331 mcl->op = __HYPERVISOR_grant_table_op;
332 mcl->args[0] = cmd;
333 mcl->args[1] = (unsigned long)uop;
334 mcl->args[2] = count;
335}
336
337static inline void
338MULTI_update_va_mapping_otherdomain(struct multicall_entry *mcl, unsigned long va,
339 pte_t new_val, unsigned long flags,
340 domid_t domid)
341{
342 mcl->op = __HYPERVISOR_update_va_mapping_otherdomain;
343 mcl->args[0] = va;
344#ifdef CONFIG_X86_PAE
345 mcl->args[1] = new_val.pte_low;
346 mcl->args[2] = new_val.pte_high;
347#else
348 mcl->args[1] = new_val.pte_low;
349 mcl->args[2] = 0;
350#endif
351 mcl->args[3] = flags;
352 mcl->args[4] = domid;
353}
354
355static inline void
356MULTI_update_descriptor(struct multicall_entry *mcl, u64 maddr,
357 struct desc_struct desc)
358{
359 mcl->op = __HYPERVISOR_update_descriptor;
360 mcl->args[0] = maddr;
361 mcl->args[1] = maddr >> 32;
362 mcl->args[2] = desc.a;
363 mcl->args[3] = desc.b;
364}
365
366static inline void
367MULTI_memory_op(struct multicall_entry *mcl, unsigned int cmd, void *arg)
368{
369 mcl->op = __HYPERVISOR_memory_op;
370 mcl->args[0] = cmd;
371 mcl->args[1] = (unsigned long)arg;
372}
373
374static inline void
375MULTI_mmu_update(struct multicall_entry *mcl, struct mmu_update *req,
376 int count, int *success_count, domid_t domid)
377{
378 mcl->op = __HYPERVISOR_mmu_update;
379 mcl->args[0] = (unsigned long)req;
380 mcl->args[1] = count;
381 mcl->args[2] = (unsigned long)success_count;
382 mcl->args[3] = domid;
383}
384
385static inline void
386MULTI_mmuext_op(struct multicall_entry *mcl, struct mmuext_op *op, int count,
387 int *success_count, domid_t domid)
388{
389 mcl->op = __HYPERVISOR_mmuext_op;
390 mcl->args[0] = (unsigned long)op;
391 mcl->args[1] = count;
392 mcl->args[2] = (unsigned long)success_count;
393 mcl->args[3] = domid;
394}
395
396static inline void
397MULTI_set_gdt(struct multicall_entry *mcl, unsigned long *frames, int entries)
398{
399 mcl->op = __HYPERVISOR_set_gdt;
400 mcl->args[0] = (unsigned long)frames;
401 mcl->args[1] = entries;
402}
403
404static inline void
405MULTI_stack_switch(struct multicall_entry *mcl,
406 unsigned long ss, unsigned long esp)
407{
408 mcl->op = __HYPERVISOR_stack_switch;
409 mcl->args[0] = ss;
410 mcl->args[1] = esp;
411}
412
413#endif /* __HYPERCALL_H__ */