diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 05:20:03 -0400 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 05:20:03 -0400 |
commit | 96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 (patch) | |
tree | d947a467aa2da3140279617bc4b9b101640d7bf4 /include/asm-x86/xen/hypercall.h | |
parent | 27bd0c955648646abf2a353a8371d28c37bcd982 (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.h | 413 |
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 | |||
43 | extern 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 | |||
123 | static inline int | ||
124 | HYPERVISOR_set_trap_table(struct trap_info *table) | ||
125 | { | ||
126 | return _hypercall1(int, set_trap_table, table); | ||
127 | } | ||
128 | |||
129 | static inline int | ||
130 | HYPERVISOR_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 | |||
136 | static inline int | ||
137 | HYPERVISOR_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 | |||
143 | static inline int | ||
144 | HYPERVISOR_set_gdt(unsigned long *frame_list, int entries) | ||
145 | { | ||
146 | return _hypercall2(int, set_gdt, frame_list, entries); | ||
147 | } | ||
148 | |||
149 | static inline int | ||
150 | HYPERVISOR_stack_switch(unsigned long ss, unsigned long esp) | ||
151 | { | ||
152 | return _hypercall2(int, stack_switch, ss, esp); | ||
153 | } | ||
154 | |||
155 | static inline int | ||
156 | HYPERVISOR_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 | |||
166 | static inline int | ||
167 | HYPERVISOR_fpu_taskswitch(int set) | ||
168 | { | ||
169 | return _hypercall1(int, fpu_taskswitch, set); | ||
170 | } | ||
171 | |||
172 | static inline int | ||
173 | HYPERVISOR_sched_op(int cmd, unsigned long arg) | ||
174 | { | ||
175 | return _hypercall2(int, sched_op, cmd, arg); | ||
176 | } | ||
177 | |||
178 | static inline long | ||
179 | HYPERVISOR_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 | |||
186 | static inline int | ||
187 | HYPERVISOR_set_debugreg(int reg, unsigned long value) | ||
188 | { | ||
189 | return _hypercall2(int, set_debugreg, reg, value); | ||
190 | } | ||
191 | |||
192 | static inline unsigned long | ||
193 | HYPERVISOR_get_debugreg(int reg) | ||
194 | { | ||
195 | return _hypercall1(unsigned long, get_debugreg, reg); | ||
196 | } | ||
197 | |||
198 | static inline int | ||
199 | HYPERVISOR_update_descriptor(u64 ma, u64 desc) | ||
200 | { | ||
201 | return _hypercall4(int, update_descriptor, ma, ma>>32, desc, desc>>32); | ||
202 | } | ||
203 | |||
204 | static inline int | ||
205 | HYPERVISOR_memory_op(unsigned int cmd, void *arg) | ||
206 | { | ||
207 | return _hypercall2(int, memory_op, cmd, arg); | ||
208 | } | ||
209 | |||
210 | static inline int | ||
211 | HYPERVISOR_multicall(void *call_list, int nr_calls) | ||
212 | { | ||
213 | return _hypercall2(int, multicall, call_list, nr_calls); | ||
214 | } | ||
215 | |||
216 | static inline int | ||
217 | HYPERVISOR_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 | |||
228 | static inline int | ||
229 | HYPERVISOR_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 | |||
242 | static inline int | ||
243 | HYPERVISOR_xen_version(int cmd, void *arg) | ||
244 | { | ||
245 | return _hypercall2(int, xen_version, cmd, arg); | ||
246 | } | ||
247 | |||
248 | static inline int | ||
249 | HYPERVISOR_console_io(int cmd, int count, char *str) | ||
250 | { | ||
251 | return _hypercall3(int, console_io, cmd, count, str); | ||
252 | } | ||
253 | |||
254 | static inline int | ||
255 | HYPERVISOR_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 | |||
268 | static inline int | ||
269 | HYPERVISOR_grant_table_op(unsigned int cmd, void *uop, unsigned int count) | ||
270 | { | ||
271 | return _hypercall3(int, grant_table_op, cmd, uop, count); | ||
272 | } | ||
273 | |||
274 | static inline int | ||
275 | HYPERVISOR_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 | |||
286 | static inline int | ||
287 | HYPERVISOR_vm_assist(unsigned int cmd, unsigned int type) | ||
288 | { | ||
289 | return _hypercall2(int, vm_assist, cmd, type); | ||
290 | } | ||
291 | |||
292 | static inline int | ||
293 | HYPERVISOR_vcpu_op(int cmd, int vcpuid, void *extra_args) | ||
294 | { | ||
295 | return _hypercall3(int, vcpu_op, cmd, vcpuid, extra_args); | ||
296 | } | ||
297 | |||
298 | static inline int | ||
299 | HYPERVISOR_suspend(unsigned long srec) | ||
300 | { | ||
301 | return _hypercall3(int, sched_op, SCHEDOP_shutdown, | ||
302 | SHUTDOWN_suspend, srec); | ||
303 | } | ||
304 | |||
305 | static inline int | ||
306 | HYPERVISOR_nmi_op(unsigned long op, unsigned long arg) | ||
307 | { | ||
308 | return _hypercall2(int, nmi_op, op, arg); | ||
309 | } | ||
310 | |||
311 | static inline void | ||
312 | MULTI_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 | |||
327 | static inline void | ||
328 | MULTI_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 | |||
337 | static inline void | ||
338 | MULTI_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 | |||
355 | static inline void | ||
356 | MULTI_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 | |||
366 | static inline void | ||
367 | MULTI_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 | |||
374 | static inline void | ||
375 | MULTI_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 | |||
385 | static inline void | ||
386 | MULTI_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 | |||
396 | static inline void | ||
397 | MULTI_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 | |||
404 | static inline void | ||
405 | MULTI_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__ */ | ||