blob: e4c8fb608873797c381f825cc874c5a4e0506e1b [file] [log] [blame]
Rusty Russelld3561b72006-12-07 02:14:07 +01001/* Paravirtualization interfaces
2 Copyright (C) 2006 Rusty Russell IBM Corporation
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Glauber de Oliveira Costab1df07b2008-01-30 13:32:04 +010017
18 2007 - x86_64 support added by Glauber de Oliveira Costa, Red Hat Inc
Rusty Russelld3561b72006-12-07 02:14:07 +010019*/
Glauber de Oliveira Costab1df07b2008-01-30 13:32:04 +010020
Rusty Russelld3561b72006-12-07 02:14:07 +010021#include <linux/errno.h>
22#include <linux/module.h>
23#include <linux/efi.h>
24#include <linux/bcd.h>
Jeremy Fitzhardingece6234b2007-05-02 19:27:15 +020025#include <linux/highmem.h>
Rusty Russelld3561b72006-12-07 02:14:07 +010026
27#include <asm/bug.h>
28#include <asm/paravirt.h>
29#include <asm/desc.h>
30#include <asm/setup.h>
31#include <asm/arch_hooks.h>
Eduardo Habkosta312b372008-07-08 15:06:23 -070032#include <asm/pgtable.h>
Rusty Russelld3561b72006-12-07 02:14:07 +010033#include <asm/time.h>
Jeremy Fitzhardingeeba00452008-06-25 00:19:12 -040034#include <asm/pgalloc.h>
Rusty Russelld3561b72006-12-07 02:14:07 +010035#include <asm/irq.h>
36#include <asm/delay.h>
Rusty Russell13623d72006-12-07 02:14:08 +010037#include <asm/fixmap.h>
38#include <asm/apic.h>
Rusty Russellda181a82006-12-07 02:14:08 +010039#include <asm/tlbflush.h>
Zachary Amsden6cb9a832007-03-05 00:30:35 -080040#include <asm/timer.h>
Rusty Russelld3561b72006-12-07 02:14:07 +010041
42/* nop stub */
Jeremy Fitzhardinge45876232007-05-02 19:27:13 +020043void _paravirt_nop(void)
Rusty Russelld3561b72006-12-07 02:14:07 +010044{
45}
46
47static void __init default_banner(void)
48{
49 printk(KERN_INFO "Booting paravirtualized kernel on %s\n",
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -070050 pv_info.name);
Rusty Russelld3561b72006-12-07 02:14:07 +010051}
52
53char *memory_setup(void)
54{
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -070055 return pv_init_ops.memory_setup();
Rusty Russelld3561b72006-12-07 02:14:07 +010056}
57
Rusty Russell139ec7c2006-12-07 02:14:08 +010058/* Simple instruction patching code. */
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -070059#define DEF_NATIVE(ops, name, code) \
60 extern const char start_##ops##_##name[], end_##ops##_##name[]; \
61 asm("start_" #ops "_" #name ": " code "; end_" #ops "_" #name ":")
Rusty Russell139ec7c2006-12-07 02:14:08 +010062
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -070063/* Undefined instruction for dealing with missing ops pointers. */
64static const unsigned char ud2a[] = { 0x0f, 0x0b };
Rusty Russell139ec7c2006-12-07 02:14:08 +010065
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +020066unsigned paravirt_patch_nop(void)
67{
68 return 0;
69}
70
71unsigned paravirt_patch_ignore(unsigned len)
72{
73 return len;
74}
75
Andi Kleen19d36cc2007-07-22 11:12:31 +020076struct branch {
77 unsigned char opcode;
78 u32 delta;
79} __attribute__((packed));
80
Andi Kleenab144f52007-08-10 22:31:03 +020081unsigned paravirt_patch_call(void *insnbuf,
82 const void *target, u16 tgt_clobbers,
83 unsigned long addr, u16 site_clobbers,
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +020084 unsigned len)
85{
Andi Kleenab144f52007-08-10 22:31:03 +020086 struct branch *b = insnbuf;
87 unsigned long delta = (unsigned long)target - (addr+5);
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +020088
89 if (tgt_clobbers & ~site_clobbers)
90 return len; /* target would clobber too much for this site */
91 if (len < 5)
92 return len; /* call too long for patch site */
93
Andi Kleenab144f52007-08-10 22:31:03 +020094 b->opcode = 0xe8; /* call */
95 b->delta = delta;
96 BUILD_BUG_ON(sizeof(*b) != 5);
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +020097
98 return 5;
99}
100
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700101unsigned paravirt_patch_jmp(void *insnbuf, const void *target,
Andi Kleenab144f52007-08-10 22:31:03 +0200102 unsigned long addr, unsigned len)
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200103{
Andi Kleenab144f52007-08-10 22:31:03 +0200104 struct branch *b = insnbuf;
105 unsigned long delta = (unsigned long)target - (addr+5);
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200106
107 if (len < 5)
108 return len; /* call too long for patch site */
109
Andi Kleenab144f52007-08-10 22:31:03 +0200110 b->opcode = 0xe9; /* jmp */
111 b->delta = delta;
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200112
113 return 5;
114}
115
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700116/* Neat trick to map patch type back to the call within the
117 * corresponding structure. */
118static void *get_call_destination(u8 type)
119{
120 struct paravirt_patch_template tmpl = {
121 .pv_init_ops = pv_init_ops,
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700122 .pv_time_ops = pv_time_ops,
123 .pv_cpu_ops = pv_cpu_ops,
124 .pv_irq_ops = pv_irq_ops,
125 .pv_apic_ops = pv_apic_ops,
126 .pv_mmu_ops = pv_mmu_ops,
Jeremy Fitzhardinge74d4aff2008-07-07 12:07:50 -0700127 .pv_lock_ops = pv_lock_ops,
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700128 };
129 return *((void **)&tmpl + type);
130}
131
Andi Kleenab144f52007-08-10 22:31:03 +0200132unsigned paravirt_patch_default(u8 type, u16 clobbers, void *insnbuf,
133 unsigned long addr, unsigned len)
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200134{
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700135 void *opfunc = get_call_destination(type);
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200136 unsigned ret;
137
138 if (opfunc == NULL)
139 /* If there's no function, patch it with a ud2a (BUG) */
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700140 ret = paravirt_patch_insns(insnbuf, len, ud2a, ud2a+sizeof(ud2a));
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200141 else if (opfunc == paravirt_nop)
142 /* If the operation is a nop, then nop the callsite */
143 ret = paravirt_patch_nop();
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700144 else if (type == PARAVIRT_PATCH(pv_cpu_ops.iret) ||
Jeremy Fitzhardinged75cd222008-06-25 00:19:26 -0400145 type == PARAVIRT_PATCH(pv_cpu_ops.irq_enable_sysexit) ||
Jeremy Fitzhardinge2be29982008-06-25 00:19:28 -0400146 type == PARAVIRT_PATCH(pv_cpu_ops.usergs_sysret32) ||
147 type == PARAVIRT_PATCH(pv_cpu_ops.usergs_sysret64))
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200148 /* If operation requires a jmp, then jmp */
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700149 ret = paravirt_patch_jmp(insnbuf, opfunc, addr, len);
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200150 else
151 /* Otherwise call the function; assume target could
152 clobber any caller-save reg */
Andi Kleenab144f52007-08-10 22:31:03 +0200153 ret = paravirt_patch_call(insnbuf, opfunc, CLBR_ANY,
154 addr, clobbers, len);
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200155
156 return ret;
157}
158
Andi Kleenab144f52007-08-10 22:31:03 +0200159unsigned paravirt_patch_insns(void *insnbuf, unsigned len,
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200160 const char *start, const char *end)
161{
162 unsigned insn_len = end - start;
163
164 if (insn_len > len || start == NULL)
165 insn_len = len;
166 else
Andi Kleenab144f52007-08-10 22:31:03 +0200167 memcpy(insnbuf, start, insn_len);
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200168
Rusty Russell139ec7c2006-12-07 02:14:08 +0100169 return insn_len;
170}
171
Rusty Russelld3561b72006-12-07 02:14:07 +0100172void init_IRQ(void)
173{
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700174 pv_irq_ops.init_IRQ();
Rusty Russelld3561b72006-12-07 02:14:07 +0100175}
176
Andi Kleen1a1eecd2007-02-13 13:26:25 +0100177static void native_flush_tlb(void)
Rusty Russellda181a82006-12-07 02:14:08 +0100178{
179 __native_flush_tlb();
180}
181
182/*
183 * Global pages have to be flushed a bit differently. Not a real
184 * performance problem because this does not happen often.
185 */
Andi Kleen1a1eecd2007-02-13 13:26:25 +0100186static void native_flush_tlb_global(void)
Rusty Russellda181a82006-12-07 02:14:08 +0100187{
188 __native_flush_tlb_global();
189}
190
Jeremy Fitzhardinge63f70272007-05-02 19:27:14 +0200191static void native_flush_tlb_single(unsigned long addr)
Rusty Russellda181a82006-12-07 02:14:08 +0100192{
193 __native_flush_tlb_single(addr);
194}
195
Rusty Russelld3561b72006-12-07 02:14:07 +0100196/* These are in entry.S */
Andi Kleen1a1eecd2007-02-13 13:26:25 +0100197extern void native_iret(void);
Jeremy Fitzhardinged75cd222008-06-25 00:19:26 -0400198extern void native_irq_enable_sysexit(void);
Jeremy Fitzhardinge2be29982008-06-25 00:19:28 -0400199extern void native_usergs_sysret32(void);
200extern void native_usergs_sysret64(void);
Rusty Russelld3561b72006-12-07 02:14:07 +0100201
202static int __init print_banner(void)
203{
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700204 pv_init_ops.banner();
Rusty Russelld3561b72006-12-07 02:14:07 +0100205 return 0;
206}
207core_initcall(print_banner);
208
Jeremy Fitzhardinged5729292007-07-17 18:37:04 -0700209static struct resource reserve_ioports = {
210 .start = 0,
211 .end = IO_SPACE_LIMIT,
212 .name = "paravirt-ioport",
213 .flags = IORESOURCE_IO | IORESOURCE_BUSY,
214};
215
Jeremy Fitzhardinged5729292007-07-17 18:37:04 -0700216/*
217 * Reserve the whole legacy IO space to prevent any legacy drivers
218 * from wasting time probing for their hardware. This is a fairly
219 * brute-force approach to disabling all non-virtual drivers.
220 *
221 * Note that this must be called very early to have any effect.
222 */
223int paravirt_disable_iospace(void)
224{
Jeremy Fitzhardingef7743fe2008-03-27 17:28:40 -0700225 return request_resource(&ioport_resource, &reserve_ioports);
Jeremy Fitzhardinged5729292007-07-17 18:37:04 -0700226}
227
Jeremy Fitzhardinge8965c1c2007-10-16 11:51:29 -0700228static DEFINE_PER_CPU(enum paravirt_lazy_mode, paravirt_lazy_mode) = PARAVIRT_LAZY_NONE;
229
230static inline void enter_lazy(enum paravirt_lazy_mode mode)
231{
Glauber de Oliveira Costabfd074e2008-01-30 13:32:11 +0100232 BUG_ON(__get_cpu_var(paravirt_lazy_mode) != PARAVIRT_LAZY_NONE);
Jeremy Fitzhardinge8965c1c2007-10-16 11:51:29 -0700233 BUG_ON(preemptible());
234
Glauber de Oliveira Costabfd074e2008-01-30 13:32:11 +0100235 __get_cpu_var(paravirt_lazy_mode) = mode;
Jeremy Fitzhardinge8965c1c2007-10-16 11:51:29 -0700236}
237
238void paravirt_leave_lazy(enum paravirt_lazy_mode mode)
239{
Glauber de Oliveira Costabfd074e2008-01-30 13:32:11 +0100240 BUG_ON(__get_cpu_var(paravirt_lazy_mode) != mode);
Jeremy Fitzhardinge8965c1c2007-10-16 11:51:29 -0700241 BUG_ON(preemptible());
242
Glauber de Oliveira Costabfd074e2008-01-30 13:32:11 +0100243 __get_cpu_var(paravirt_lazy_mode) = PARAVIRT_LAZY_NONE;
Jeremy Fitzhardinge8965c1c2007-10-16 11:51:29 -0700244}
245
246void paravirt_enter_lazy_mmu(void)
247{
248 enter_lazy(PARAVIRT_LAZY_MMU);
249}
250
251void paravirt_leave_lazy_mmu(void)
252{
253 paravirt_leave_lazy(PARAVIRT_LAZY_MMU);
254}
255
256void paravirt_enter_lazy_cpu(void)
257{
258 enter_lazy(PARAVIRT_LAZY_CPU);
259}
260
261void paravirt_leave_lazy_cpu(void)
262{
263 paravirt_leave_lazy(PARAVIRT_LAZY_CPU);
264}
265
266enum paravirt_lazy_mode paravirt_get_lazy_mode(void)
267{
Glauber de Oliveira Costabfd074e2008-01-30 13:32:11 +0100268 return __get_cpu_var(paravirt_lazy_mode);
Jeremy Fitzhardinge8965c1c2007-10-16 11:51:29 -0700269}
270
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700271struct pv_info pv_info = {
Rusty Russelld3561b72006-12-07 02:14:07 +0100272 .name = "bare hardware",
273 .paravirt_enabled = 0,
274 .kernel_rpl = 0,
Jeremy Fitzhardinge5311ab62007-05-02 19:27:13 +0200275 .shared_kernel_pmd = 1, /* Only used when CONFIG_X86_PAE is set */
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700276};
Rusty Russelld3561b72006-12-07 02:14:07 +0100277
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700278struct pv_init_ops pv_init_ops = {
279 .patch = native_patch,
Rusty Russelld3561b72006-12-07 02:14:07 +0100280 .banner = default_banner,
Jeremy Fitzhardinge45876232007-05-02 19:27:13 +0200281 .arch_setup = paravirt_nop,
Rusty Russelld3561b72006-12-07 02:14:07 +0100282 .memory_setup = machine_specific_memory_setup,
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700283};
284
285struct pv_time_ops pv_time_ops = {
286 .time_init = hpet_time_init,
Rusty Russelld3561b72006-12-07 02:14:07 +0100287 .get_wallclock = native_get_wallclock,
288 .set_wallclock = native_set_wallclock,
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700289 .sched_clock = native_sched_clock,
Alok Katariae93ef942008-07-01 11:43:36 -0700290 .get_tsc_khz = native_calibrate_tsc,
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700291};
Rusty Russelld3561b72006-12-07 02:14:07 +0100292
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700293struct pv_irq_ops pv_irq_ops = {
294 .init_IRQ = native_init_IRQ,
Rusty Russelld3561b72006-12-07 02:14:07 +0100295 .save_fl = native_save_fl,
296 .restore_fl = native_restore_fl,
297 .irq_disable = native_irq_disable,
298 .irq_enable = native_irq_enable,
299 .safe_halt = native_safe_halt,
300 .halt = native_halt,
Jeremy Fitzhardingefab58422008-06-25 00:19:31 -0400301#ifdef CONFIG_X86_64
302 .adjust_exception_frame = paravirt_nop,
303#endif
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700304};
305
306struct pv_cpu_ops pv_cpu_ops = {
307 .cpuid = native_cpuid,
308 .get_debugreg = native_get_debugreg,
309 .set_debugreg = native_set_debugreg,
310 .clts = native_clts,
311 .read_cr0 = native_read_cr0,
312 .write_cr0 = native_write_cr0,
313 .read_cr4 = native_read_cr4,
314 .read_cr4_safe = native_read_cr4_safe,
315 .write_cr4 = native_write_cr4,
Glauber de Oliveira Costa88b47552008-01-30 13:33:19 +0100316#ifdef CONFIG_X86_64
317 .read_cr8 = native_read_cr8,
318 .write_cr8 = native_write_cr8,
319#endif
Rusty Russelld3561b72006-12-07 02:14:07 +0100320 .wbinvd = native_wbinvd,
Rusty Russell90a0a062007-05-02 19:27:10 +0200321 .read_msr = native_read_msr_safe,
Yinghai Lub05f78f2008-08-22 01:32:50 -0700322 .read_msr_amd = native_read_msr_amd_safe,
Rusty Russell90a0a062007-05-02 19:27:10 +0200323 .write_msr = native_write_msr_safe,
Rusty Russelld3561b72006-12-07 02:14:07 +0100324 .read_tsc = native_read_tsc,
325 .read_pmc = native_read_pmc,
Glauber de Oliveira Costae5aaac42008-01-30 13:32:05 +0100326 .read_tscp = native_read_tscp,
Rusty Russelld3561b72006-12-07 02:14:07 +0100327 .load_tr_desc = native_load_tr_desc,
328 .set_ldt = native_set_ldt,
329 .load_gdt = native_load_gdt,
330 .load_idt = native_load_idt,
331 .store_gdt = native_store_gdt,
332 .store_idt = native_store_idt,
333 .store_tr = native_store_tr,
334 .load_tls = native_load_tls,
Jeremy Fitzhardinge9f9d4892008-06-25 00:19:32 -0400335#ifdef CONFIG_X86_64
336 .load_gs_index = native_load_gs_index,
337#endif
Glauber de Oliveira Costa75b8bb32008-01-30 13:31:13 +0100338 .write_ldt_entry = native_write_ldt_entry,
Glauber de Oliveira Costa014b15b2008-01-30 13:31:13 +0100339 .write_gdt_entry = native_write_gdt_entry,
Glauber de Oliveira Costa8d947342008-01-30 13:31:12 +0100340 .write_idt_entry = native_write_idt_entry,
Jeremy Fitzhardinge38ffbe62008-07-23 14:21:18 -0700341
342 .alloc_ldt = paravirt_nop,
343 .free_ldt = paravirt_nop,
344
H. Peter Anvinfaca6222008-01-30 13:31:02 +0100345 .load_sp0 = native_load_sp0,
Rusty Russelld3561b72006-12-07 02:14:07 +0100346
Jeremy Fitzhardinge102d0a42008-06-30 11:10:53 -0700347#if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION)
Jeremy Fitzhardinged75cd222008-06-25 00:19:26 -0400348 .irq_enable_sysexit = native_irq_enable_sysexit,
Jeremy Fitzhardinge102d0a42008-06-30 11:10:53 -0700349#endif
Jeremy Fitzhardinge2be29982008-06-25 00:19:28 -0400350#ifdef CONFIG_X86_64
Jeremy Fitzhardinge102d0a42008-06-30 11:10:53 -0700351#ifdef CONFIG_IA32_EMULATION
Jeremy Fitzhardinge2be29982008-06-25 00:19:28 -0400352 .usergs_sysret32 = native_usergs_sysret32,
Jeremy Fitzhardinge102d0a42008-06-30 11:10:53 -0700353#endif
Jeremy Fitzhardinge2be29982008-06-25 00:19:28 -0400354 .usergs_sysret64 = native_usergs_sysret64,
Jeremy Fitzhardinged75cd222008-06-25 00:19:26 -0400355#endif
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700356 .iret = native_iret,
Glauber de Oliveira Costae801f862008-01-30 13:32:08 +0100357 .swapgs = native_swapgs,
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700358
Rusty Russelld3561b72006-12-07 02:14:07 +0100359 .set_iopl_mask = native_set_iopl_mask,
360 .io_delay = native_io_delay,
Jeremy Fitzhardinge8965c1c2007-10-16 11:51:29 -0700361
362 .lazy_mode = {
363 .enter = paravirt_nop,
364 .leave = paravirt_nop,
365 },
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700366};
Rusty Russelld3561b72006-12-07 02:14:07 +0100367
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700368struct pv_apic_ops pv_apic_ops = {
Rusty Russell13623d72006-12-07 02:14:08 +0100369#ifdef CONFIG_X86_LOCAL_APIC
Zachary Amsdenbbab4f32007-02-13 13:26:21 +0100370 .setup_boot_clock = setup_boot_APIC_clock,
371 .setup_secondary_clock = setup_secondary_APIC_clock,
Jeremy Fitzhardinge0260c192007-05-02 19:27:18 +0200372 .startup_ipi_hook = paravirt_nop,
Rusty Russell13623d72006-12-07 02:14:08 +0100373#endif
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700374};
Rusty Russell13623d72006-12-07 02:14:08 +0100375
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700376struct pv_mmu_ops pv_mmu_ops = {
Eduardo Habkostd8dd8ee2008-01-30 13:33:20 +0100377#ifndef CONFIG_X86_64
Jeremy Fitzhardingeb239fb22007-05-02 19:27:13 +0200378 .pagetable_setup_start = native_pagetable_setup_start,
379 .pagetable_setup_done = native_pagetable_setup_done,
Eduardo Habkosta312b372008-07-08 15:06:23 -0700380#else
381 .pagetable_setup_start = paravirt_nop,
382 .pagetable_setup_done = paravirt_nop,
Eduardo Habkostd8dd8ee2008-01-30 13:33:20 +0100383#endif
Jeremy Fitzhardingeb239fb22007-05-02 19:27:13 +0200384
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700385 .read_cr2 = native_read_cr2,
386 .write_cr2 = native_write_cr2,
387 .read_cr3 = native_read_cr3,
388 .write_cr3 = native_write_cr3,
389
Rusty Russellda181a82006-12-07 02:14:08 +0100390 .flush_tlb_user = native_flush_tlb,
391 .flush_tlb_kernel = native_flush_tlb_global,
392 .flush_tlb_single = native_flush_tlb_single,
Jeremy Fitzhardinged4c10472007-05-02 19:27:15 +0200393 .flush_tlb_others = native_flush_tlb_others,
Rusty Russellda181a82006-12-07 02:14:08 +0100394
Jeremy Fitzhardingeeba00452008-06-25 00:19:12 -0400395 .pgd_alloc = __paravirt_pgd_alloc,
396 .pgd_free = paravirt_nop,
397
Jeremy Fitzhardinge6944a9c2008-03-17 16:37:01 -0700398 .alloc_pte = paravirt_nop,
399 .alloc_pmd = paravirt_nop,
400 .alloc_pmd_clone = paravirt_nop,
Jeremy Fitzhardinge2761fa02008-03-17 16:37:02 -0700401 .alloc_pud = paravirt_nop,
Jeremy Fitzhardinge6944a9c2008-03-17 16:37:01 -0700402 .release_pte = paravirt_nop,
403 .release_pmd = paravirt_nop,
Jeremy Fitzhardinge2761fa02008-03-17 16:37:02 -0700404 .release_pud = paravirt_nop,
Zachary Amsdenc119ecc2007-02-13 13:26:21 +0100405
Rusty Russellda181a82006-12-07 02:14:08 +0100406 .set_pte = native_set_pte,
407 .set_pte_at = native_set_pte_at,
408 .set_pmd = native_set_pmd,
Jeremy Fitzhardinge45876232007-05-02 19:27:13 +0200409 .pte_update = paravirt_nop,
410 .pte_update_defer = paravirt_nop,
Jeremy Fitzhardinge3dc494e2007-05-02 19:27:13 +0200411
Jeremy Fitzhardinge08b882c2008-06-16 04:30:01 -0700412 .ptep_modify_prot_start = __ptep_modify_prot_start,
413 .ptep_modify_prot_commit = __ptep_modify_prot_commit,
414
Jeremy Fitzhardingece6234b2007-05-02 19:27:15 +0200415#ifdef CONFIG_HIGHPTE
416 .kmap_atomic_pte = kmap_atomic,
417#endif
418
Eduardo Habkostf95f2f72008-01-30 13:33:20 +0100419#if PAGETABLE_LEVELS >= 3
Rusty Russellda181a82006-12-07 02:14:08 +0100420#ifdef CONFIG_X86_PAE
421 .set_pte_atomic = native_set_pte_atomic,
422 .set_pte_present = native_set_pte_present,
Rusty Russellda181a82006-12-07 02:14:08 +0100423 .pte_clear = native_pte_clear,
424 .pmd_clear = native_pmd_clear,
Eduardo Habkostf95f2f72008-01-30 13:33:20 +0100425#endif
426 .set_pud = native_set_pud,
Jeremy Fitzhardinge3dc494e2007-05-02 19:27:13 +0200427 .pmd_val = native_pmd_val,
428 .make_pmd = native_make_pmd,
Eduardo Habkostf95f2f72008-01-30 13:33:20 +0100429
430#if PAGETABLE_LEVELS == 4
431 .pud_val = native_pud_val,
432 .make_pud = native_make_pud,
433 .set_pgd = native_set_pgd,
Rusty Russellda181a82006-12-07 02:14:08 +0100434#endif
Eduardo Habkostf95f2f72008-01-30 13:33:20 +0100435#endif /* PAGETABLE_LEVELS >= 3 */
Rusty Russellda181a82006-12-07 02:14:08 +0100436
Jeremy Fitzhardinge3dc494e2007-05-02 19:27:13 +0200437 .pte_val = native_pte_val,
Rusty Russellc2e32772008-07-22 15:40:46 +1000438 .pte_flags = native_pte_flags,
Jeremy Fitzhardinge3dc494e2007-05-02 19:27:13 +0200439 .pgd_val = native_pgd_val,
440
441 .make_pte = native_make_pte,
442 .make_pgd = native_make_pgd,
443
Jeremy Fitzhardinged6dd61c2007-05-02 19:27:14 +0200444 .dup_mmap = paravirt_nop,
445 .exit_mmap = paravirt_nop,
446 .activate_mm = paravirt_nop,
Jeremy Fitzhardinge8965c1c2007-10-16 11:51:29 -0700447
448 .lazy_mode = {
449 .enter = paravirt_nop,
450 .leave = paravirt_nop,
451 },
Jeremy Fitzhardingeaeaaa592008-06-17 11:42:01 -0700452
453 .set_fixmap = native_set_fixmap,
Rusty Russelld3561b72006-12-07 02:14:07 +0100454};
Ingo Molnar0dbe5a12007-01-22 20:40:36 -0800455
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700456EXPORT_SYMBOL_GPL(pv_time_ops);
Jeremy Fitzhardingef97b8952007-11-28 16:22:11 -0800457EXPORT_SYMBOL (pv_cpu_ops);
458EXPORT_SYMBOL (pv_mmu_ops);
Jeremy Fitzhardinge93b1eab2007-10-16 11:51:29 -0700459EXPORT_SYMBOL_GPL(pv_apic_ops);
460EXPORT_SYMBOL_GPL(pv_info);
461EXPORT_SYMBOL (pv_irq_ops);