1 #ifndef _ASM_X86_ACPI_H
2 #define _ASM_X86_ACPI_H
3
4 /*
5 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
6 * Copyright (C) 2001 Patrick Mochel <mochel@osdl.org>
7 *
8 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; If not, see <http://www.gnu.org/licenses/>.
22 *
23 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
24 */
25
26 #include <acpi/pdc_intel.h>
27 #include <acpi/acconfig.h>
28 #include <acpi/actbl.h>
29
30 #define COMPILER_DEPENDENT_INT64 long long
31 #define COMPILER_DEPENDENT_UINT64 unsigned long long
32
33 /*
34 * Calling conventions:
35 *
36 * ACPI_SYSTEM_XFACE - Interfaces to host OS (handlers, threads)
37 * ACPI_EXTERNAL_XFACE - External ACPI interfaces
38 * ACPI_INTERNAL_XFACE - Internal ACPI interfaces
39 * ACPI_INTERNAL_VAR_XFACE - Internal variable-parameter list interfaces
40 */
41 #define ACPI_SYSTEM_XFACE
42 #define ACPI_EXTERNAL_XFACE
43 #define ACPI_INTERNAL_XFACE
44 #define ACPI_INTERNAL_VAR_XFACE
45
46 /* Asm macros */
47
48 #define ACPI_ASM_MACROS
49 #define BREAKPOINT3
50 #define ACPI_DISABLE_IRQS() local_irq_disable()
51 #define ACPI_ENABLE_IRQS() local_irq_enable()
52 #define ACPI_FLUSH_CPU_CACHE() wbinvd()
53
54 int __acpi_acquire_global_lock(unsigned int *lock);
55 int __acpi_release_global_lock(unsigned int *lock);
56
57 #define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq) \
58 ((Acq) = __acpi_acquire_global_lock(&facs->global_lock))
59
60 #define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq) \
61 ((Acq) = __acpi_release_global_lock(&facs->global_lock))
62
63 /*
64 * Math helper asm macros
65 */
66 #define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \
67 asm("divl %2;" \
68 :"=a"(q32), "=d"(r32) \
69 :"r"(d32), \
70 "0"(n_lo), "1"(n_hi))
71
72
73 #define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \
74 asm("shrl $1,%2 ;" \
75 "rcrl $1,%3;" \
76 :"=r"(n_hi), "=r"(n_lo) \
77 :"0"(n_hi), "1"(n_lo))
78
79 extern bool acpi_lapic, acpi_ioapic, acpi_noirq;
80 extern bool acpi_force, acpi_ht, acpi_disabled;
81 extern u32 acpi_smi_cmd;
82 extern u8 acpi_enable_value, acpi_disable_value;
83 void acpi_pic_sci_set_trigger(unsigned int, u16);
84
disable_acpi(void)85 static inline void disable_acpi(void)
86 {
87 acpi_disabled = 1;
88 acpi_ht = 0;
89 acpi_noirq = 1;
90 }
91
acpi_noirq_set(void)92 static inline void acpi_noirq_set(void) { acpi_noirq = 1; }
93
94 /* routines for saving/restoring kernel state */
95 extern int acpi_save_state_mem(void);
96 extern int acpi_save_state_disk(void);
97 extern void acpi_restore_state_mem(void);
98
99 extern unsigned long acpi_wakeup_address;
100
101 /* early initialization routine */
102 extern void acpi_reserve_bootmem(void);
103
104 #define ARCH_HAS_POWER_INIT 1
105
106 extern s8 acpi_numa;
107 extern int acpi_scan_nodes(u64 start, u64 end);
108 #define NR_NODE_MEMBLKS (MAX_NUMNODES*2)
109
110 #ifdef CONFIG_ACPI_SLEEP
111
112 extern struct acpi_sleep_info acpi_sinfo;
113 #define acpi_video_flags bootsym(video_flags)
114 struct xenpf_enter_acpi_sleep;
115 extern int acpi_enter_sleep(struct xenpf_enter_acpi_sleep *sleep);
116 extern int acpi_enter_state(u32 state);
117
118 struct acpi_sleep_info {
119 struct acpi_generic_address pm1a_cnt_blk;
120 struct acpi_generic_address pm1b_cnt_blk;
121 struct acpi_generic_address pm1a_evt_blk;
122 struct acpi_generic_address pm1b_evt_blk;
123 struct acpi_generic_address sleep_control;
124 struct acpi_generic_address sleep_status;
125 union {
126 uint16_t pm1a_cnt_val;
127 uint8_t sleep_type_a;
128 };
129 union {
130 uint16_t pm1b_cnt_val;
131 uint8_t sleep_type_b;
132 };
133 uint32_t sleep_state;
134 uint64_t wakeup_vector;
135 uint32_t vector_width;
136 bool_t sleep_extended;
137 };
138
139 #endif /* CONFIG_ACPI_SLEEP */
140
141 #define MAX_MADT_ENTRIES MAX(256, 2 * NR_CPUS)
142 extern u32 x86_acpiid_to_apicid[];
143 #define MAX_LOCAL_APIC MAX(256, 4 * NR_CPUS)
144
145 #define INVALID_ACPIID (-1U)
146
147 extern u32 pmtmr_ioport;
148 extern unsigned int pmtmr_width;
149
150 int acpi_dmar_init(void);
151 void acpi_mmcfg_init(void);
152
153 /* Incremented whenever we transition through S3. Value is 1 during boot. */
154 extern uint32_t system_reset_counter;
155
156 void hvm_acpi_power_button(struct domain *d);
157 void hvm_acpi_sleep_button(struct domain *d);
158
159 /* suspend/resume */
160 void save_rest_processor_state(void);
161 void restore_rest_processor_state(void);
162
163 #define ACPI_MAP_MEM_ATTR PAGE_HYPERVISOR_UCMINUS
164
165 #endif /*__X86_ASM_ACPI_H*/
166