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-rw-r--r--include/asm-i386/irq.h1
-rw-r--r--include/asm-i386/mach-default/irq_vectors_limits.h2
-rw-r--r--include/asm-i386/mmu_context.h2
-rw-r--r--include/asm-i386/paravirt.h22
-rw-r--r--include/asm-i386/pgalloc.h6
-rw-r--r--include/asm-i386/setup.h4
-rw-r--r--include/asm-i386/smp.h5
-rw-r--r--include/asm-i386/timer.h32
-rw-r--r--include/asm-i386/vmi_time.h2
-rw-r--r--include/asm-i386/xen/hypercall.h413
-rw-r--r--include/asm-i386/xen/hypervisor.h73
-rw-r--r--include/asm-i386/xen/interface.h188
12 files changed, 739 insertions, 11 deletions
diff --git a/include/asm-i386/irq.h b/include/asm-i386/irq.h
index 9e15ce0006eb..36f310632c49 100644
--- a/include/asm-i386/irq.h
+++ b/include/asm-i386/irq.h
@@ -41,6 +41,7 @@ extern int irqbalance_disable(char *str);
41extern void fixup_irqs(cpumask_t map); 41extern void fixup_irqs(cpumask_t map);
42#endif 42#endif
43 43
44unsigned int do_IRQ(struct pt_regs *regs);
44void init_IRQ(void); 45void init_IRQ(void);
45void __init native_init_IRQ(void); 46void __init native_init_IRQ(void);
46 47
diff --git a/include/asm-i386/mach-default/irq_vectors_limits.h b/include/asm-i386/mach-default/irq_vectors_limits.h
index 7f161e760be6..a90c7a60109f 100644
--- a/include/asm-i386/mach-default/irq_vectors_limits.h
+++ b/include/asm-i386/mach-default/irq_vectors_limits.h
@@ -1,7 +1,7 @@
1#ifndef _ASM_IRQ_VECTORS_LIMITS_H 1#ifndef _ASM_IRQ_VECTORS_LIMITS_H
2#define _ASM_IRQ_VECTORS_LIMITS_H 2#define _ASM_IRQ_VECTORS_LIMITS_H
3 3
4#ifdef CONFIG_X86_IO_APIC 4#if defined(CONFIG_X86_IO_APIC) || defined(CONFIG_PARAVIRT)
5#define NR_IRQS 224 5#define NR_IRQS 224
6# if (224 >= 32 * NR_CPUS) 6# if (224 >= 32 * NR_CPUS)
7# define NR_IRQ_VECTORS NR_IRQS 7# define NR_IRQ_VECTORS NR_IRQS
diff --git a/include/asm-i386/mmu_context.h b/include/asm-i386/mmu_context.h
index 8198d1cca1f3..7eb0b0b1fb3c 100644
--- a/include/asm-i386/mmu_context.h
+++ b/include/asm-i386/mmu_context.h
@@ -32,6 +32,8 @@ static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
32#endif 32#endif
33} 33}
34 34
35void leave_mm(unsigned long cpu);
36
35static inline void switch_mm(struct mm_struct *prev, 37static inline void switch_mm(struct mm_struct *prev,
36 struct mm_struct *next, 38 struct mm_struct *next,
37 struct task_struct *tsk) 39 struct task_struct *tsk)
diff --git a/include/asm-i386/paravirt.h b/include/asm-i386/paravirt.h
index 7f846a7d6bcc..7df88be2dd9e 100644
--- a/include/asm-i386/paravirt.h
+++ b/include/asm-i386/paravirt.h
@@ -52,6 +52,8 @@ struct paravirt_ops
52 /* Basic arch-specific setup */ 52 /* Basic arch-specific setup */
53 void (*arch_setup)(void); 53 void (*arch_setup)(void);
54 char *(*memory_setup)(void); 54 char *(*memory_setup)(void);
55 void (*post_allocator_init)(void);
56
55 void (*init_IRQ)(void); 57 void (*init_IRQ)(void);
56 void (*time_init)(void); 58 void (*time_init)(void);
57 59
@@ -116,7 +118,7 @@ struct paravirt_ops
116 118
117 u64 (*read_tsc)(void); 119 u64 (*read_tsc)(void);
118 u64 (*read_pmc)(void); 120 u64 (*read_pmc)(void);
119 u64 (*get_scheduled_cycles)(void); 121 unsigned long long (*sched_clock)(void);
120 unsigned long (*get_cpu_khz)(void); 122 unsigned long (*get_cpu_khz)(void);
121 123
122 /* Segment descriptor handling */ 124 /* Segment descriptor handling */
@@ -173,7 +175,7 @@ struct paravirt_ops
173 unsigned long va); 175 unsigned long va);
174 176
175 /* Hooks for allocating/releasing pagetable pages */ 177 /* Hooks for allocating/releasing pagetable pages */
176 void (*alloc_pt)(u32 pfn); 178 void (*alloc_pt)(struct mm_struct *mm, u32 pfn);
177 void (*alloc_pd)(u32 pfn); 179 void (*alloc_pd)(u32 pfn);
178 void (*alloc_pd_clone)(u32 pfn, u32 clonepfn, u32 start, u32 count); 180 void (*alloc_pd_clone)(u32 pfn, u32 clonepfn, u32 start, u32 count);
179 void (*release_pt)(u32 pfn); 181 void (*release_pt)(u32 pfn);
@@ -260,6 +262,7 @@ unsigned paravirt_patch_default(u8 type, u16 clobbers, void *site, unsigned len)
260unsigned paravirt_patch_insns(void *site, unsigned len, 262unsigned paravirt_patch_insns(void *site, unsigned len,
261 const char *start, const char *end); 263 const char *start, const char *end);
262 264
265int paravirt_disable_iospace(void);
263 266
264/* 267/*
265 * This generates an indirect call based on the operation type number. 268 * This generates an indirect call based on the operation type number.
@@ -563,7 +566,10 @@ static inline u64 paravirt_read_tsc(void)
563 566
564#define rdtscll(val) (val = paravirt_read_tsc()) 567#define rdtscll(val) (val = paravirt_read_tsc())
565 568
566#define get_scheduled_cycles(val) (val = paravirt_ops.get_scheduled_cycles()) 569static inline unsigned long long paravirt_sched_clock(void)
570{
571 return PVOP_CALL0(unsigned long long, sched_clock);
572}
567#define calculate_cpu_khz() (paravirt_ops.get_cpu_khz()) 573#define calculate_cpu_khz() (paravirt_ops.get_cpu_khz())
568 574
569#define write_tsc(val1,val2) wrmsr(0x10, val1, val2) 575#define write_tsc(val1,val2) wrmsr(0x10, val1, val2)
@@ -669,6 +675,12 @@ static inline void setup_secondary_clock(void)
669} 675}
670#endif 676#endif
671 677
678static inline void paravirt_post_allocator_init(void)
679{
680 if (paravirt_ops.post_allocator_init)
681 (*paravirt_ops.post_allocator_init)();
682}
683
672static inline void paravirt_pagetable_setup_start(pgd_t *base) 684static inline void paravirt_pagetable_setup_start(pgd_t *base)
673{ 685{
674 if (paravirt_ops.pagetable_setup_start) 686 if (paravirt_ops.pagetable_setup_start)
@@ -725,9 +737,9 @@ static inline void flush_tlb_others(cpumask_t cpumask, struct mm_struct *mm,
725 PVOP_VCALL3(flush_tlb_others, &cpumask, mm, va); 737 PVOP_VCALL3(flush_tlb_others, &cpumask, mm, va);
726} 738}
727 739
728static inline void paravirt_alloc_pt(unsigned pfn) 740static inline void paravirt_alloc_pt(struct mm_struct *mm, unsigned pfn)
729{ 741{
730 PVOP_VCALL1(alloc_pt, pfn); 742 PVOP_VCALL2(alloc_pt, mm, pfn);
731} 743}
732static inline void paravirt_release_pt(unsigned pfn) 744static inline void paravirt_release_pt(unsigned pfn)
733{ 745{
diff --git a/include/asm-i386/pgalloc.h b/include/asm-i386/pgalloc.h
index d07b7afc2692..f2fc33ceb9f2 100644
--- a/include/asm-i386/pgalloc.h
+++ b/include/asm-i386/pgalloc.h
@@ -7,7 +7,7 @@
7#ifdef CONFIG_PARAVIRT 7#ifdef CONFIG_PARAVIRT
8#include <asm/paravirt.h> 8#include <asm/paravirt.h>
9#else 9#else
10#define paravirt_alloc_pt(pfn) do { } while (0) 10#define paravirt_alloc_pt(mm, pfn) do { } while (0)
11#define paravirt_alloc_pd(pfn) do { } while (0) 11#define paravirt_alloc_pd(pfn) do { } while (0)
12#define paravirt_alloc_pd(pfn) do { } while (0) 12#define paravirt_alloc_pd(pfn) do { } while (0)
13#define paravirt_alloc_pd_clone(pfn, clonepfn, start, count) do { } while (0) 13#define paravirt_alloc_pd_clone(pfn, clonepfn, start, count) do { } while (0)
@@ -17,13 +17,13 @@
17 17
18#define pmd_populate_kernel(mm, pmd, pte) \ 18#define pmd_populate_kernel(mm, pmd, pte) \
19do { \ 19do { \
20 paravirt_alloc_pt(__pa(pte) >> PAGE_SHIFT); \ 20 paravirt_alloc_pt(mm, __pa(pte) >> PAGE_SHIFT); \
21 set_pmd(pmd, __pmd(_PAGE_TABLE + __pa(pte))); \ 21 set_pmd(pmd, __pmd(_PAGE_TABLE + __pa(pte))); \
22} while (0) 22} while (0)
23 23
24#define pmd_populate(mm, pmd, pte) \ 24#define pmd_populate(mm, pmd, pte) \
25do { \ 25do { \
26 paravirt_alloc_pt(page_to_pfn(pte)); \ 26 paravirt_alloc_pt(mm, page_to_pfn(pte)); \
27 set_pmd(pmd, __pmd(_PAGE_TABLE + \ 27 set_pmd(pmd, __pmd(_PAGE_TABLE + \
28 ((unsigned long long)page_to_pfn(pte) << \ 28 ((unsigned long long)page_to_pfn(pte) << \
29 (unsigned long long) PAGE_SHIFT))); \ 29 (unsigned long long) PAGE_SHIFT))); \
diff --git a/include/asm-i386/setup.h b/include/asm-i386/setup.h
index 0d5bff9dc4a5..7862fe858a9e 100644
--- a/include/asm-i386/setup.h
+++ b/include/asm-i386/setup.h
@@ -81,6 +81,10 @@ void __init add_memory_region(unsigned long long start,
81 81
82extern unsigned long init_pg_tables_end; 82extern unsigned long init_pg_tables_end;
83 83
84#ifndef CONFIG_PARAVIRT
85#define paravirt_post_allocator_init() do {} while (0)
86#endif
87
84#endif /* __ASSEMBLY__ */ 88#endif /* __ASSEMBLY__ */
85 89
86#endif /* __KERNEL__ */ 90#endif /* __KERNEL__ */
diff --git a/include/asm-i386/smp.h b/include/asm-i386/smp.h
index 0c7132787062..1f73bde165b1 100644
--- a/include/asm-i386/smp.h
+++ b/include/asm-i386/smp.h
@@ -43,9 +43,12 @@ extern u8 x86_cpu_to_apicid[];
43 43
44#define cpu_physical_id(cpu) x86_cpu_to_apicid[cpu] 44#define cpu_physical_id(cpu) x86_cpu_to_apicid[cpu]
45 45
46extern void set_cpu_sibling_map(int cpu);
47
46#ifdef CONFIG_HOTPLUG_CPU 48#ifdef CONFIG_HOTPLUG_CPU
47extern void cpu_exit_clear(void); 49extern void cpu_exit_clear(void);
48extern void cpu_uninit(void); 50extern void cpu_uninit(void);
51extern void remove_siblinginfo(int cpu);
49#endif 52#endif
50 53
51struct smp_ops 54struct smp_ops
@@ -129,6 +132,8 @@ extern int __cpu_disable(void);
129extern void __cpu_die(unsigned int cpu); 132extern void __cpu_die(unsigned int cpu);
130extern unsigned int num_processors; 133extern unsigned int num_processors;
131 134
135void __cpuinit smp_store_cpu_info(int id);
136
132#endif /* !__ASSEMBLY__ */ 137#endif /* !__ASSEMBLY__ */
133 138
134#else /* CONFIG_SMP */ 139#else /* CONFIG_SMP */
diff --git a/include/asm-i386/timer.h b/include/asm-i386/timer.h
index 153770e25faa..51a713e33a9e 100644
--- a/include/asm-i386/timer.h
+++ b/include/asm-i386/timer.h
@@ -15,8 +15,38 @@ extern int no_sync_cmos_clock;
15extern int recalibrate_cpu_khz(void); 15extern int recalibrate_cpu_khz(void);
16 16
17#ifndef CONFIG_PARAVIRT 17#ifndef CONFIG_PARAVIRT
18#define get_scheduled_cycles(val) rdtscll(val)
19#define calculate_cpu_khz() native_calculate_cpu_khz() 18#define calculate_cpu_khz() native_calculate_cpu_khz()
20#endif 19#endif
21 20
21/* Accellerators for sched_clock()
22 * convert from cycles(64bits) => nanoseconds (64bits)
23 * basic equation:
24 * ns = cycles / (freq / ns_per_sec)
25 * ns = cycles * (ns_per_sec / freq)
26 * ns = cycles * (10^9 / (cpu_khz * 10^3))
27 * ns = cycles * (10^6 / cpu_khz)
28 *
29 * Then we use scaling math (suggested by george@mvista.com) to get:
30 * ns = cycles * (10^6 * SC / cpu_khz) / SC
31 * ns = cycles * cyc2ns_scale / SC
32 *
33 * And since SC is a constant power of two, we can convert the div
34 * into a shift.
35 *
36 * We can use khz divisor instead of mhz to keep a better percision, since
37 * cyc2ns_scale is limited to 10^6 * 2^10, which fits in 32 bits.
38 * (mathieu.desnoyers@polymtl.ca)
39 *
40 * -johnstul@us.ibm.com "math is hard, lets go shopping!"
41 */
42extern unsigned long cyc2ns_scale __read_mostly;
43
44#define CYC2NS_SCALE_FACTOR 10 /* 2^10, carefully chosen */
45
46static inline unsigned long long cycles_2_ns(unsigned long long cyc)
47{
48 return (cyc * cyc2ns_scale) >> CYC2NS_SCALE_FACTOR;
49}
50
51
22#endif 52#endif
diff --git a/include/asm-i386/vmi_time.h b/include/asm-i386/vmi_time.h
index 213930b995cb..478188130328 100644
--- a/include/asm-i386/vmi_time.h
+++ b/include/asm-i386/vmi_time.h
@@ -49,7 +49,7 @@ extern struct vmi_timer_ops {
49extern void __init vmi_time_init(void); 49extern void __init vmi_time_init(void);
50extern unsigned long vmi_get_wallclock(void); 50extern unsigned long vmi_get_wallclock(void);
51extern int vmi_set_wallclock(unsigned long now); 51extern int vmi_set_wallclock(unsigned long now);
52extern unsigned long long vmi_get_sched_cycles(void); 52extern unsigned long long vmi_sched_clock(void);
53extern unsigned long vmi_cpu_khz(void); 53extern unsigned long vmi_cpu_khz(void);
54 54
55#ifdef CONFIG_X86_LOCAL_APIC 55#ifdef CONFIG_X86_LOCAL_APIC
diff --git a/include/asm-i386/xen/hypercall.h b/include/asm-i386/xen/hypercall.h
new file mode 100644
index 000000000000..bc0ee7d961ca
--- /dev/null
+++ b/include/asm-i386/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__ */
diff --git a/include/asm-i386/xen/hypervisor.h b/include/asm-i386/xen/hypervisor.h
new file mode 100644
index 000000000000..8e15dd28c91f
--- /dev/null
+++ b/include/asm-i386/xen/hypervisor.h
@@ -0,0 +1,73 @@
1/******************************************************************************
2 * hypervisor.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 __HYPERVISOR_H__
34#define __HYPERVISOR_H__
35
36#include <linux/types.h>
37#include <linux/kernel.h>
38#include <linux/version.h>
39
40#include <xen/interface/xen.h>
41#include <xen/interface/version.h>
42
43#include <asm/ptrace.h>
44#include <asm/page.h>
45#include <asm/desc.h>
46#if defined(__i386__)
47# ifdef CONFIG_X86_PAE
48# include <asm-generic/pgtable-nopud.h>
49# else
50# include <asm-generic/pgtable-nopmd.h>
51# endif
52#endif
53#include <asm/xen/hypercall.h>
54
55/* arch/i386/kernel/setup.c */
56extern struct shared_info *HYPERVISOR_shared_info;
57extern struct start_info *xen_start_info;
58#define is_initial_xendomain() (xen_start_info->flags & SIF_INITDOMAIN)
59
60/* arch/i386/mach-xen/evtchn.c */
61/* Force a proper event-channel callback from Xen. */
62extern void force_evtchn_callback(void);
63
64/* Turn jiffies into Xen system time. */
65u64 jiffies_to_st(unsigned long jiffies);
66
67
68#define MULTI_UVMFLAGS_INDEX 3
69#define MULTI_UVMDOMID_INDEX 4
70
71#define is_running_on_xen() (xen_start_info ? 1 : 0)
72
73#endif /* __HYPERVISOR_H__ */
diff --git a/include/asm-i386/xen/interface.h b/include/asm-i386/xen/interface.h
new file mode 100644
index 000000000000..165c3968e138
--- /dev/null
+++ b/include/asm-i386/xen/interface.h
@@ -0,0 +1,188 @@
1/******************************************************************************
2 * arch-x86_32.h
3 *
4 * Guest OS interface to x86 32-bit Xen.
5 *
6 * Copyright (c) 2004, K A Fraser
7 */
8
9#ifndef __XEN_PUBLIC_ARCH_X86_32_H__
10#define __XEN_PUBLIC_ARCH_X86_32_H__
11
12#ifdef __XEN__
13#define __DEFINE_GUEST_HANDLE(name, type) \
14 typedef struct { type *p; } __guest_handle_ ## name
15#else
16#define __DEFINE_GUEST_HANDLE(name, type) \
17 typedef type * __guest_handle_ ## name
18#endif
19
20#define DEFINE_GUEST_HANDLE_STRUCT(name) \
21 __DEFINE_GUEST_HANDLE(name, struct name)
22#define DEFINE_GUEST_HANDLE(name) __DEFINE_GUEST_HANDLE(name, name)
23#define GUEST_HANDLE(name) __guest_handle_ ## name
24
25#ifndef __ASSEMBLY__
26/* Guest handles for primitive C types. */
27__DEFINE_GUEST_HANDLE(uchar, unsigned char);
28__DEFINE_GUEST_HANDLE(uint, unsigned int);
29__DEFINE_GUEST_HANDLE(ulong, unsigned long);
30DEFINE_GUEST_HANDLE(char);
31DEFINE_GUEST_HANDLE(int);
32DEFINE_GUEST_HANDLE(long);
33DEFINE_GUEST_HANDLE(void);
34#endif
35
36/*
37 * SEGMENT DESCRIPTOR TABLES
38 */
39/*
40 * A number of GDT entries are reserved by Xen. These are not situated at the
41 * start of the GDT because some stupid OSes export hard-coded selector values
42 * in their ABI. These hard-coded values are always near the start of the GDT,
43 * so Xen places itself out of the way, at the far end of the GDT.
44 */
45#define FIRST_RESERVED_GDT_PAGE 14
46#define FIRST_RESERVED_GDT_BYTE (FIRST_RESERVED_GDT_PAGE * 4096)
47#define FIRST_RESERVED_GDT_ENTRY (FIRST_RESERVED_GDT_BYTE / 8)
48
49/*
50 * These flat segments are in the Xen-private section of every GDT. Since these
51 * are also present in the initial GDT, many OSes will be able to avoid
52 * installing their own GDT.
53 */
54#define FLAT_RING1_CS 0xe019 /* GDT index 259 */
55#define FLAT_RING1_DS 0xe021 /* GDT index 260 */
56#define FLAT_RING1_SS 0xe021 /* GDT index 260 */
57#define FLAT_RING3_CS 0xe02b /* GDT index 261 */
58#define FLAT_RING3_DS 0xe033 /* GDT index 262 */
59#define FLAT_RING3_SS 0xe033 /* GDT index 262 */
60
61#define FLAT_KERNEL_CS FLAT_RING1_CS
62#define FLAT_KERNEL_DS FLAT_RING1_DS
63#define FLAT_KERNEL_SS FLAT_RING1_SS
64#define FLAT_USER_CS FLAT_RING3_CS
65#define FLAT_USER_DS FLAT_RING3_DS
66#define FLAT_USER_SS FLAT_RING3_SS
67
68/* And the trap vector is... */
69#define TRAP_INSTR "int $0x82"
70
71/*
72 * Virtual addresses beyond this are not modifiable by guest OSes. The
73 * machine->physical mapping table starts at this address, read-only.
74 */
75#ifdef CONFIG_X86_PAE
76#define __HYPERVISOR_VIRT_START 0xF5800000
77#else
78#define __HYPERVISOR_VIRT_START 0xFC000000
79#endif
80
81#ifndef HYPERVISOR_VIRT_START
82#define HYPERVISOR_VIRT_START mk_unsigned_long(__HYPERVISOR_VIRT_START)
83#endif
84
85#ifndef machine_to_phys_mapping
86#define machine_to_phys_mapping ((unsigned long *)HYPERVISOR_VIRT_START)
87#endif
88
89/* Maximum number of virtual CPUs in multi-processor guests. */
90#define MAX_VIRT_CPUS 32
91
92#ifndef __ASSEMBLY__
93
94/*
95 * Send an array of these to HYPERVISOR_set_trap_table()
96 */
97#define TI_GET_DPL(_ti) ((_ti)->flags & 3)
98#define TI_GET_IF(_ti) ((_ti)->flags & 4)
99#define TI_SET_DPL(_ti, _dpl) ((_ti)->flags |= (_dpl))
100#define TI_SET_IF(_ti, _if) ((_ti)->flags |= ((!!(_if))<<2))
101
102struct trap_info {
103 uint8_t vector; /* exception vector */
104 uint8_t flags; /* 0-3: privilege level; 4: clear event enable? */
105 uint16_t cs; /* code selector */
106 unsigned long address; /* code offset */
107};
108DEFINE_GUEST_HANDLE_STRUCT(trap_info);
109
110struct cpu_user_regs {
111 uint32_t ebx;
112 uint32_t ecx;
113 uint32_t edx;
114 uint32_t esi;
115 uint32_t edi;
116 uint32_t ebp;
117 uint32_t eax;
118 uint16_t error_code; /* private */
119 uint16_t entry_vector; /* private */
120 uint32_t eip;
121 uint16_t cs;
122 uint8_t saved_upcall_mask;
123 uint8_t _pad0;
124 uint32_t eflags; /* eflags.IF == !saved_upcall_mask */
125 uint32_t esp;
126 uint16_t ss, _pad1;
127 uint16_t es, _pad2;
128 uint16_t ds, _pad3;
129 uint16_t fs, _pad4;
130 uint16_t gs, _pad5;
131};
132DEFINE_GUEST_HANDLE_STRUCT(cpu_user_regs);
133
134typedef uint64_t tsc_timestamp_t; /* RDTSC timestamp */
135
136/*
137 * The following is all CPU context. Note that the fpu_ctxt block is filled
138 * in by FXSAVE if the CPU has feature FXSR; otherwise FSAVE is used.
139 */
140struct vcpu_guest_context {
141 /* FPU registers come first so they can be aligned for FXSAVE/FXRSTOR. */
142 struct { char x[512]; } fpu_ctxt; /* User-level FPU registers */
143#define VGCF_I387_VALID (1<<0)
144#define VGCF_HVM_GUEST (1<<1)
145#define VGCF_IN_KERNEL (1<<2)
146 unsigned long flags; /* VGCF_* flags */
147 struct cpu_user_regs user_regs; /* User-level CPU registers */
148 struct trap_info trap_ctxt[256]; /* Virtual IDT */
149 unsigned long ldt_base, ldt_ents; /* LDT (linear address, # ents) */
150 unsigned long gdt_frames[16], gdt_ents; /* GDT (machine frames, # ents) */
151 unsigned long kernel_ss, kernel_sp; /* Virtual TSS (only SS1/SP1) */
152 unsigned long ctrlreg[8]; /* CR0-CR7 (control registers) */
153 unsigned long debugreg[8]; /* DB0-DB7 (debug registers) */
154 unsigned long event_callback_cs; /* CS:EIP of event callback */
155 unsigned long event_callback_eip;
156 unsigned long failsafe_callback_cs; /* CS:EIP of failsafe callback */
157 unsigned long failsafe_callback_eip;
158 unsigned long vm_assist; /* VMASST_TYPE_* bitmap */
159};
160DEFINE_GUEST_HANDLE_STRUCT(vcpu_guest_context);
161
162struct arch_shared_info {
163 unsigned long max_pfn; /* max pfn that appears in table */
164 /* Frame containing list of mfns containing list of mfns containing p2m. */
165 unsigned long pfn_to_mfn_frame_list_list;
166 unsigned long nmi_reason;
167};
168
169struct arch_vcpu_info {
170 unsigned long cr2;
171 unsigned long pad[5]; /* sizeof(struct vcpu_info) == 64 */
172};
173
174#endif /* !__ASSEMBLY__ */
175
176/*
177 * Prefix forces emulation of some non-trapping instructions.
178 * Currently only CPUID.
179 */
180#ifdef __ASSEMBLY__
181#define XEN_EMULATE_PREFIX .byte 0x0f,0x0b,0x78,0x65,0x6e ;
182#define XEN_CPUID XEN_EMULATE_PREFIX cpuid
183#else
184#define XEN_EMULATE_PREFIX ".byte 0x0f,0x0b,0x78,0x65,0x6e ; "
185#define XEN_CPUID XEN_EMULATE_PREFIX "cpuid"
186#endif
187
188#endif
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-17 18:13:39 -0500