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1 | 93d89f63 | Isaku Yamahata | /*
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2 | 93d89f63 | Isaku Yamahata | * ACPI implementation
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3 | 93d89f63 | Isaku Yamahata | *
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4 | 93d89f63 | Isaku Yamahata | * Copyright (c) 2006 Fabrice Bellard
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5 | 93d89f63 | Isaku Yamahata | *
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6 | 93d89f63 | Isaku Yamahata | * This library is free software; you can redistribute it and/or
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7 | 93d89f63 | Isaku Yamahata | * modify it under the terms of the GNU Lesser General Public
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8 | 93d89f63 | Isaku Yamahata | * License version 2 as published by the Free Software Foundation.
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9 | 93d89f63 | Isaku Yamahata | *
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10 | 93d89f63 | Isaku Yamahata | * This library is distributed in the hope that it will be useful,
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11 | 93d89f63 | Isaku Yamahata | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | 93d89f63 | Isaku Yamahata | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 | 93d89f63 | Isaku Yamahata | * Lesser General Public License for more details.
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14 | 93d89f63 | Isaku Yamahata | *
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15 | 93d89f63 | Isaku Yamahata | * You should have received a copy of the GNU Lesser General Public
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16 | 93d89f63 | Isaku Yamahata | * License along with this library; if not, see <http://www.gnu.org/licenses/>
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17 | 6b620ca3 | Paolo Bonzini | *
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18 | 6b620ca3 | Paolo Bonzini | * Contributions after 2012-01-13 are licensed under the terms of the
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19 | 6b620ca3 | Paolo Bonzini | * GNU GPL, version 2 or (at your option) any later version.
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20 | 93d89f63 | Isaku Yamahata | */
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21 | 93d89f63 | Isaku Yamahata | #include "hw.h" |
22 | 93d89f63 | Isaku Yamahata | #include "pc.h" |
23 | 93d89f63 | Isaku Yamahata | #include "apm.h" |
24 | 93d89f63 | Isaku Yamahata | #include "pm_smbus.h" |
25 | 93d89f63 | Isaku Yamahata | #include "pci.h" |
26 | 93d89f63 | Isaku Yamahata | #include "acpi.h" |
27 | 666daa68 | Markus Armbruster | #include "sysemu.h" |
28 | bf1b0071 | Blue Swirl | #include "range.h" |
29 | 6141dbfe | Paolo Bonzini | #include "ioport.h" |
30 | 93d89f63 | Isaku Yamahata | |
31 | 93d89f63 | Isaku Yamahata | //#define DEBUG
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32 | 93d89f63 | Isaku Yamahata | |
33 | 50d8ff8b | Isaku Yamahata | #ifdef DEBUG
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34 | 50d8ff8b | Isaku Yamahata | # define PIIX4_DPRINTF(format, ...) printf(format, ## __VA_ARGS__) |
35 | 50d8ff8b | Isaku Yamahata | #else
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36 | 50d8ff8b | Isaku Yamahata | # define PIIX4_DPRINTF(format, ...) do { } while (0) |
37 | 50d8ff8b | Isaku Yamahata | #endif
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38 | 50d8ff8b | Isaku Yamahata | |
39 | 93d89f63 | Isaku Yamahata | #define ACPI_DBG_IO_ADDR 0xb044 |
40 | 93d89f63 | Isaku Yamahata | |
41 | ac404095 | Isaku Yamahata | #define GPE_BASE 0xafe0 |
42 | 23910d3f | Isaku Yamahata | #define GPE_LEN 4 |
43 | ac404095 | Isaku Yamahata | #define PCI_BASE 0xae00 |
44 | ac404095 | Isaku Yamahata | #define PCI_EJ_BASE 0xae08 |
45 | 668643b0 | Marcelo Tosatti | #define PCI_RMV_BASE 0xae0c |
46 | ac404095 | Isaku Yamahata | |
47 | 4441a287 | Gleb Natapov | #define PIIX4_PCI_HOTPLUG_STATUS 2 |
48 | 4441a287 | Gleb Natapov | |
49 | ac404095 | Isaku Yamahata | struct pci_status {
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50 | ac404095 | Isaku Yamahata | uint32_t up; |
51 | ac404095 | Isaku Yamahata | uint32_t down; |
52 | ac404095 | Isaku Yamahata | }; |
53 | ac404095 | Isaku Yamahata | |
54 | 93d89f63 | Isaku Yamahata | typedef struct PIIX4PMState { |
55 | 93d89f63 | Isaku Yamahata | PCIDevice dev; |
56 | 2871a3f6 | Avi Kivity | IORange ioport; |
57 | 04dc308f | Isaku Yamahata | ACPIPM1EVT pm1a; |
58 | eaba51c5 | Isaku Yamahata | ACPIPM1CNT pm1_cnt; |
59 | 93d89f63 | Isaku Yamahata | |
60 | 93d89f63 | Isaku Yamahata | APMState apm; |
61 | 93d89f63 | Isaku Yamahata | |
62 | a54d41a8 | Isaku Yamahata | ACPIPMTimer tmr; |
63 | 93d89f63 | Isaku Yamahata | |
64 | 93d89f63 | Isaku Yamahata | PMSMBus smb; |
65 | e8ec0571 | Isaku Yamahata | uint32_t smb_io_base; |
66 | 93d89f63 | Isaku Yamahata | |
67 | 93d89f63 | Isaku Yamahata | qemu_irq irq; |
68 | 93d89f63 | Isaku Yamahata | qemu_irq smi_irq; |
69 | 93d89f63 | Isaku Yamahata | int kvm_enabled;
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70 | 6141dbfe | Paolo Bonzini | Notifier machine_ready; |
71 | ac404095 | Isaku Yamahata | |
72 | ac404095 | Isaku Yamahata | /* for pci hotplug */
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73 | 23910d3f | Isaku Yamahata | ACPIGPE gpe; |
74 | ac404095 | Isaku Yamahata | struct pci_status pci0_status;
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75 | 668643b0 | Marcelo Tosatti | uint32_t pci0_hotplug_enable; |
76 | 93d89f63 | Isaku Yamahata | } PIIX4PMState; |
77 | 93d89f63 | Isaku Yamahata | |
78 | ac404095 | Isaku Yamahata | static void piix4_acpi_system_hot_add_init(PCIBus *bus, PIIX4PMState *s); |
79 | ac404095 | Isaku Yamahata | |
80 | 93d89f63 | Isaku Yamahata | #define ACPI_ENABLE 0xf1 |
81 | 93d89f63 | Isaku Yamahata | #define ACPI_DISABLE 0xf0 |
82 | 93d89f63 | Isaku Yamahata | |
83 | 93d89f63 | Isaku Yamahata | static void pm_update_sci(PIIX4PMState *s) |
84 | 93d89f63 | Isaku Yamahata | { |
85 | 93d89f63 | Isaku Yamahata | int sci_level, pmsts;
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86 | 93d89f63 | Isaku Yamahata | |
87 | 04dc308f | Isaku Yamahata | pmsts = acpi_pm1_evt_get_sts(&s->pm1a, s->tmr.overflow_time); |
88 | 04dc308f | Isaku Yamahata | sci_level = (((pmsts & s->pm1a.en) & |
89 | 93d89f63 | Isaku Yamahata | (ACPI_BITMASK_RT_CLOCK_ENABLE | |
90 | 93d89f63 | Isaku Yamahata | ACPI_BITMASK_POWER_BUTTON_ENABLE | |
91 | 93d89f63 | Isaku Yamahata | ACPI_BITMASK_GLOBAL_LOCK_ENABLE | |
92 | 633aa0ac | Gleb Natapov | ACPI_BITMASK_TIMER_ENABLE)) != 0) ||
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93 | 23910d3f | Isaku Yamahata | (((s->gpe.sts[0] & s->gpe.en[0]) & PIIX4_PCI_HOTPLUG_STATUS) != 0); |
94 | 633aa0ac | Gleb Natapov | |
95 | 93d89f63 | Isaku Yamahata | qemu_set_irq(s->irq, sci_level); |
96 | 93d89f63 | Isaku Yamahata | /* schedule a timer interruption if needed */
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97 | 04dc308f | Isaku Yamahata | acpi_pm_tmr_update(&s->tmr, (s->pm1a.en & ACPI_BITMASK_TIMER_ENABLE) && |
98 | a54d41a8 | Isaku Yamahata | !(pmsts & ACPI_BITMASK_TIMER_STATUS)); |
99 | 93d89f63 | Isaku Yamahata | } |
100 | 93d89f63 | Isaku Yamahata | |
101 | a54d41a8 | Isaku Yamahata | static void pm_tmr_timer(ACPIPMTimer *tmr) |
102 | 93d89f63 | Isaku Yamahata | { |
103 | a54d41a8 | Isaku Yamahata | PIIX4PMState *s = container_of(tmr, PIIX4PMState, tmr); |
104 | 93d89f63 | Isaku Yamahata | pm_update_sci(s); |
105 | 93d89f63 | Isaku Yamahata | } |
106 | 93d89f63 | Isaku Yamahata | |
107 | 2871a3f6 | Avi Kivity | static void pm_ioport_write(IORange *ioport, uint64_t addr, unsigned width, |
108 | 2871a3f6 | Avi Kivity | uint64_t val) |
109 | 93d89f63 | Isaku Yamahata | { |
110 | 2871a3f6 | Avi Kivity | PIIX4PMState *s = container_of(ioport, PIIX4PMState, ioport); |
111 | 2871a3f6 | Avi Kivity | |
112 | 2871a3f6 | Avi Kivity | if (width != 2) { |
113 | 2871a3f6 | Avi Kivity | PIIX4_DPRINTF("PM write port=0x%04x width=%d val=0x%08x\n",
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114 | 2871a3f6 | Avi Kivity | (unsigned)addr, width, (unsigned)val); |
115 | 2871a3f6 | Avi Kivity | } |
116 | 2871a3f6 | Avi Kivity | |
117 | 93d89f63 | Isaku Yamahata | switch(addr) {
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118 | 93d89f63 | Isaku Yamahata | case 0x00: |
119 | 04dc308f | Isaku Yamahata | acpi_pm1_evt_write_sts(&s->pm1a, &s->tmr, val); |
120 | 04dc308f | Isaku Yamahata | pm_update_sci(s); |
121 | 93d89f63 | Isaku Yamahata | break;
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122 | 93d89f63 | Isaku Yamahata | case 0x02: |
123 | 04dc308f | Isaku Yamahata | s->pm1a.en = val; |
124 | 93d89f63 | Isaku Yamahata | pm_update_sci(s); |
125 | 93d89f63 | Isaku Yamahata | break;
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126 | 93d89f63 | Isaku Yamahata | case 0x04: |
127 | eaba51c5 | Isaku Yamahata | acpi_pm1_cnt_write(&s->pm1a, &s->pm1_cnt, val); |
128 | 93d89f63 | Isaku Yamahata | break;
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129 | 93d89f63 | Isaku Yamahata | default:
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130 | 93d89f63 | Isaku Yamahata | break;
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131 | 93d89f63 | Isaku Yamahata | } |
132 | 59df4c11 | Wen Congyang | PIIX4_DPRINTF("PM writew port=0x%04x val=0x%04x\n", (unsigned int)addr, |
133 | 59df4c11 | Wen Congyang | (unsigned int)val); |
134 | 93d89f63 | Isaku Yamahata | } |
135 | 93d89f63 | Isaku Yamahata | |
136 | 2871a3f6 | Avi Kivity | static void pm_ioport_read(IORange *ioport, uint64_t addr, unsigned width, |
137 | 2871a3f6 | Avi Kivity | uint64_t *data) |
138 | 93d89f63 | Isaku Yamahata | { |
139 | 2871a3f6 | Avi Kivity | PIIX4PMState *s = container_of(ioport, PIIX4PMState, ioport); |
140 | 93d89f63 | Isaku Yamahata | uint32_t val; |
141 | 93d89f63 | Isaku Yamahata | |
142 | 93d89f63 | Isaku Yamahata | switch(addr) {
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143 | 93d89f63 | Isaku Yamahata | case 0x00: |
144 | 04dc308f | Isaku Yamahata | val = acpi_pm1_evt_get_sts(&s->pm1a, s->tmr.overflow_time); |
145 | 93d89f63 | Isaku Yamahata | break;
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146 | 93d89f63 | Isaku Yamahata | case 0x02: |
147 | 04dc308f | Isaku Yamahata | val = s->pm1a.en; |
148 | 93d89f63 | Isaku Yamahata | break;
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149 | 93d89f63 | Isaku Yamahata | case 0x04: |
150 | eaba51c5 | Isaku Yamahata | val = s->pm1_cnt.cnt; |
151 | 93d89f63 | Isaku Yamahata | break;
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152 | 93d89f63 | Isaku Yamahata | case 0x08: |
153 | a54d41a8 | Isaku Yamahata | val = acpi_pm_tmr_get(&s->tmr); |
154 | 93d89f63 | Isaku Yamahata | break;
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155 | 93d89f63 | Isaku Yamahata | default:
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156 | 93d89f63 | Isaku Yamahata | val = 0;
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157 | 93d89f63 | Isaku Yamahata | break;
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158 | 93d89f63 | Isaku Yamahata | } |
159 | 59df4c11 | Wen Congyang | PIIX4_DPRINTF("PM readw port=0x%04x val=0x%04x\n", (unsigned int)addr, val); |
160 | 2871a3f6 | Avi Kivity | *data = val; |
161 | 93d89f63 | Isaku Yamahata | } |
162 | 93d89f63 | Isaku Yamahata | |
163 | 2871a3f6 | Avi Kivity | static const IORangeOps pm_iorange_ops = { |
164 | 2871a3f6 | Avi Kivity | .read = pm_ioport_read, |
165 | 2871a3f6 | Avi Kivity | .write = pm_ioport_write, |
166 | 2871a3f6 | Avi Kivity | }; |
167 | 2871a3f6 | Avi Kivity | |
168 | 93d89f63 | Isaku Yamahata | static void apm_ctrl_changed(uint32_t val, void *arg) |
169 | 93d89f63 | Isaku Yamahata | { |
170 | 93d89f63 | Isaku Yamahata | PIIX4PMState *s = arg; |
171 | 93d89f63 | Isaku Yamahata | |
172 | 93d89f63 | Isaku Yamahata | /* ACPI specs 3.0, 4.7.2.5 */
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173 | eaba51c5 | Isaku Yamahata | acpi_pm1_cnt_update(&s->pm1_cnt, val == ACPI_ENABLE, val == ACPI_DISABLE); |
174 | 93d89f63 | Isaku Yamahata | |
175 | 93d89f63 | Isaku Yamahata | if (s->dev.config[0x5b] & (1 << 1)) { |
176 | 93d89f63 | Isaku Yamahata | if (s->smi_irq) {
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177 | 93d89f63 | Isaku Yamahata | qemu_irq_raise(s->smi_irq); |
178 | 93d89f63 | Isaku Yamahata | } |
179 | 93d89f63 | Isaku Yamahata | } |
180 | 93d89f63 | Isaku Yamahata | } |
181 | 93d89f63 | Isaku Yamahata | |
182 | 93d89f63 | Isaku Yamahata | static void acpi_dbg_writel(void *opaque, uint32_t addr, uint32_t val) |
183 | 93d89f63 | Isaku Yamahata | { |
184 | 50d8ff8b | Isaku Yamahata | PIIX4_DPRINTF("ACPI: DBG: 0x%08x\n", val);
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185 | 93d89f63 | Isaku Yamahata | } |
186 | 93d89f63 | Isaku Yamahata | |
187 | 93d89f63 | Isaku Yamahata | static void pm_io_space_update(PIIX4PMState *s) |
188 | 93d89f63 | Isaku Yamahata | { |
189 | 93d89f63 | Isaku Yamahata | uint32_t pm_io_base; |
190 | 93d89f63 | Isaku Yamahata | |
191 | 93d89f63 | Isaku Yamahata | if (s->dev.config[0x80] & 1) { |
192 | 93d89f63 | Isaku Yamahata | pm_io_base = le32_to_cpu(*(uint32_t *)(s->dev.config + 0x40));
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193 | 93d89f63 | Isaku Yamahata | pm_io_base &= 0xffc0;
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194 | 93d89f63 | Isaku Yamahata | |
195 | 93d89f63 | Isaku Yamahata | /* XXX: need to improve memory and ioport allocation */
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196 | 50d8ff8b | Isaku Yamahata | PIIX4_DPRINTF("PM: mapping to 0x%x\n", pm_io_base);
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197 | 2871a3f6 | Avi Kivity | iorange_init(&s->ioport, &pm_iorange_ops, pm_io_base, 64);
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198 | 2871a3f6 | Avi Kivity | ioport_register(&s->ioport); |
199 | 93d89f63 | Isaku Yamahata | } |
200 | 93d89f63 | Isaku Yamahata | } |
201 | 93d89f63 | Isaku Yamahata | |
202 | 93d89f63 | Isaku Yamahata | static void pm_write_config(PCIDevice *d, |
203 | 93d89f63 | Isaku Yamahata | uint32_t address, uint32_t val, int len)
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204 | 93d89f63 | Isaku Yamahata | { |
205 | 93d89f63 | Isaku Yamahata | pci_default_write_config(d, address, val, len); |
206 | 93d89f63 | Isaku Yamahata | if (range_covers_byte(address, len, 0x80)) |
207 | 93d89f63 | Isaku Yamahata | pm_io_space_update((PIIX4PMState *)d); |
208 | 93d89f63 | Isaku Yamahata | } |
209 | 93d89f63 | Isaku Yamahata | |
210 | 93d89f63 | Isaku Yamahata | static int vmstate_acpi_post_load(void *opaque, int version_id) |
211 | 93d89f63 | Isaku Yamahata | { |
212 | 93d89f63 | Isaku Yamahata | PIIX4PMState *s = opaque; |
213 | 93d89f63 | Isaku Yamahata | |
214 | 93d89f63 | Isaku Yamahata | pm_io_space_update(s); |
215 | 93d89f63 | Isaku Yamahata | return 0; |
216 | 93d89f63 | Isaku Yamahata | } |
217 | 93d89f63 | Isaku Yamahata | |
218 | 23910d3f | Isaku Yamahata | #define VMSTATE_GPE_ARRAY(_field, _state) \
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219 | 23910d3f | Isaku Yamahata | { \ |
220 | 23910d3f | Isaku Yamahata | .name = (stringify(_field)), \ |
221 | 23910d3f | Isaku Yamahata | .version_id = 0, \
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222 | 23910d3f | Isaku Yamahata | .num = GPE_LEN, \ |
223 | 23910d3f | Isaku Yamahata | .info = &vmstate_info_uint16, \ |
224 | 23910d3f | Isaku Yamahata | .size = sizeof(uint16_t), \
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225 | 23910d3f | Isaku Yamahata | .flags = VMS_ARRAY | VMS_POINTER, \ |
226 | 23910d3f | Isaku Yamahata | .offset = vmstate_offset_pointer(_state, _field, uint8_t), \ |
227 | 23910d3f | Isaku Yamahata | } |
228 | 23910d3f | Isaku Yamahata | |
229 | 4cf3e6f3 | Alex Williamson | static const VMStateDescription vmstate_gpe = { |
230 | 4cf3e6f3 | Alex Williamson | .name = "gpe",
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231 | 4cf3e6f3 | Alex Williamson | .version_id = 1,
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232 | 4cf3e6f3 | Alex Williamson | .minimum_version_id = 1,
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233 | 4cf3e6f3 | Alex Williamson | .minimum_version_id_old = 1,
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234 | 4cf3e6f3 | Alex Williamson | .fields = (VMStateField []) { |
235 | 23910d3f | Isaku Yamahata | VMSTATE_GPE_ARRAY(sts, ACPIGPE), |
236 | 23910d3f | Isaku Yamahata | VMSTATE_GPE_ARRAY(en, ACPIGPE), |
237 | 4cf3e6f3 | Alex Williamson | VMSTATE_END_OF_LIST() |
238 | 4cf3e6f3 | Alex Williamson | } |
239 | 4cf3e6f3 | Alex Williamson | }; |
240 | 4cf3e6f3 | Alex Williamson | |
241 | 4cf3e6f3 | Alex Williamson | static const VMStateDescription vmstate_pci_status = { |
242 | 4cf3e6f3 | Alex Williamson | .name = "pci_status",
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243 | 4cf3e6f3 | Alex Williamson | .version_id = 1,
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244 | 4cf3e6f3 | Alex Williamson | .minimum_version_id = 1,
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245 | 4cf3e6f3 | Alex Williamson | .minimum_version_id_old = 1,
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246 | 4cf3e6f3 | Alex Williamson | .fields = (VMStateField []) { |
247 | 4cf3e6f3 | Alex Williamson | VMSTATE_UINT32(up, struct pci_status),
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248 | 4cf3e6f3 | Alex Williamson | VMSTATE_UINT32(down, struct pci_status),
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249 | 4cf3e6f3 | Alex Williamson | VMSTATE_END_OF_LIST() |
250 | 4cf3e6f3 | Alex Williamson | } |
251 | 4cf3e6f3 | Alex Williamson | }; |
252 | 4cf3e6f3 | Alex Williamson | |
253 | 93d89f63 | Isaku Yamahata | static const VMStateDescription vmstate_acpi = { |
254 | 93d89f63 | Isaku Yamahata | .name = "piix4_pm",
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255 | 4cf3e6f3 | Alex Williamson | .version_id = 2,
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256 | 93d89f63 | Isaku Yamahata | .minimum_version_id = 1,
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257 | 93d89f63 | Isaku Yamahata | .minimum_version_id_old = 1,
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258 | 93d89f63 | Isaku Yamahata | .post_load = vmstate_acpi_post_load, |
259 | 93d89f63 | Isaku Yamahata | .fields = (VMStateField []) { |
260 | 93d89f63 | Isaku Yamahata | VMSTATE_PCI_DEVICE(dev, PIIX4PMState), |
261 | 04dc308f | Isaku Yamahata | VMSTATE_UINT16(pm1a.sts, PIIX4PMState), |
262 | 04dc308f | Isaku Yamahata | VMSTATE_UINT16(pm1a.en, PIIX4PMState), |
263 | eaba51c5 | Isaku Yamahata | VMSTATE_UINT16(pm1_cnt.cnt, PIIX4PMState), |
264 | 93d89f63 | Isaku Yamahata | VMSTATE_STRUCT(apm, PIIX4PMState, 0, vmstate_apm, APMState),
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265 | a54d41a8 | Isaku Yamahata | VMSTATE_TIMER(tmr.timer, PIIX4PMState), |
266 | a54d41a8 | Isaku Yamahata | VMSTATE_INT64(tmr.overflow_time, PIIX4PMState), |
267 | 23910d3f | Isaku Yamahata | VMSTATE_STRUCT(gpe, PIIX4PMState, 2, vmstate_gpe, ACPIGPE),
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268 | 4cf3e6f3 | Alex Williamson | VMSTATE_STRUCT(pci0_status, PIIX4PMState, 2, vmstate_pci_status,
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269 | 4cf3e6f3 | Alex Williamson | struct pci_status),
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270 | 93d89f63 | Isaku Yamahata | VMSTATE_END_OF_LIST() |
271 | 93d89f63 | Isaku Yamahata | } |
272 | 93d89f63 | Isaku Yamahata | }; |
273 | 93d89f63 | Isaku Yamahata | |
274 | 668643b0 | Marcelo Tosatti | static void piix4_update_hotplug(PIIX4PMState *s) |
275 | 668643b0 | Marcelo Tosatti | { |
276 | 668643b0 | Marcelo Tosatti | PCIDevice *dev = &s->dev; |
277 | 668643b0 | Marcelo Tosatti | BusState *bus = qdev_get_parent_bus(&dev->qdev); |
278 | 668643b0 | Marcelo Tosatti | DeviceState *qdev, *next; |
279 | 668643b0 | Marcelo Tosatti | |
280 | 668643b0 | Marcelo Tosatti | s->pci0_hotplug_enable = ~0;
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281 | 668643b0 | Marcelo Tosatti | |
282 | d8bb00d6 | Paolo Bonzini | QTAILQ_FOREACH_SAFE(qdev, &bus->children, sibling, next) { |
283 | 40021f08 | Anthony Liguori | PCIDevice *pdev = PCI_DEVICE(qdev); |
284 | 40021f08 | Anthony Liguori | PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(pdev); |
285 | 668643b0 | Marcelo Tosatti | int slot = PCI_SLOT(pdev->devfn);
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286 | 668643b0 | Marcelo Tosatti | |
287 | 40021f08 | Anthony Liguori | if (pc->no_hotplug) {
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288 | 668643b0 | Marcelo Tosatti | s->pci0_hotplug_enable &= ~(1 << slot);
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289 | 668643b0 | Marcelo Tosatti | } |
290 | 668643b0 | Marcelo Tosatti | } |
291 | 668643b0 | Marcelo Tosatti | } |
292 | 668643b0 | Marcelo Tosatti | |
293 | 93d89f63 | Isaku Yamahata | static void piix4_reset(void *opaque) |
294 | 93d89f63 | Isaku Yamahata | { |
295 | 93d89f63 | Isaku Yamahata | PIIX4PMState *s = opaque; |
296 | 93d89f63 | Isaku Yamahata | uint8_t *pci_conf = s->dev.config; |
297 | 93d89f63 | Isaku Yamahata | |
298 | 93d89f63 | Isaku Yamahata | pci_conf[0x58] = 0; |
299 | 93d89f63 | Isaku Yamahata | pci_conf[0x59] = 0; |
300 | 93d89f63 | Isaku Yamahata | pci_conf[0x5a] = 0; |
301 | 93d89f63 | Isaku Yamahata | pci_conf[0x5b] = 0; |
302 | 93d89f63 | Isaku Yamahata | |
303 | 93d89f63 | Isaku Yamahata | if (s->kvm_enabled) {
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304 | 93d89f63 | Isaku Yamahata | /* Mark SMM as already inited (until KVM supports SMM). */
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305 | 93d89f63 | Isaku Yamahata | pci_conf[0x5B] = 0x02; |
306 | 93d89f63 | Isaku Yamahata | } |
307 | 668643b0 | Marcelo Tosatti | piix4_update_hotplug(s); |
308 | 93d89f63 | Isaku Yamahata | } |
309 | 93d89f63 | Isaku Yamahata | |
310 | 93d89f63 | Isaku Yamahata | static void piix4_powerdown(void *opaque, int irq, int power_failing) |
311 | 93d89f63 | Isaku Yamahata | { |
312 | 93d89f63 | Isaku Yamahata | PIIX4PMState *s = opaque; |
313 | 04dc308f | Isaku Yamahata | ACPIPM1EVT *pm1a = s? &s->pm1a: NULL;
|
314 | 04dc308f | Isaku Yamahata | ACPIPMTimer *tmr = s? &s->tmr: NULL;
|
315 | 93d89f63 | Isaku Yamahata | |
316 | 04dc308f | Isaku Yamahata | acpi_pm1_evt_power_down(pm1a, tmr); |
317 | 93d89f63 | Isaku Yamahata | } |
318 | 93d89f63 | Isaku Yamahata | |
319 | 9e8dd451 | Jan Kiszka | static void piix4_pm_machine_ready(Notifier *n, void *opaque) |
320 | 6141dbfe | Paolo Bonzini | { |
321 | 6141dbfe | Paolo Bonzini | PIIX4PMState *s = container_of(n, PIIX4PMState, machine_ready); |
322 | 6141dbfe | Paolo Bonzini | uint8_t *pci_conf; |
323 | 6141dbfe | Paolo Bonzini | |
324 | 6141dbfe | Paolo Bonzini | pci_conf = s->dev.config; |
325 | 6141dbfe | Paolo Bonzini | pci_conf[0x5f] = (isa_is_ioport_assigned(0x378) ? 0x80 : 0) | 0x10; |
326 | 6141dbfe | Paolo Bonzini | pci_conf[0x63] = 0x60; |
327 | 6141dbfe | Paolo Bonzini | pci_conf[0x67] = (isa_is_ioport_assigned(0x3f8) ? 0x08 : 0) | |
328 | 6141dbfe | Paolo Bonzini | (isa_is_ioport_assigned(0x2f8) ? 0x90 : 0); |
329 | 6141dbfe | Paolo Bonzini | |
330 | 6141dbfe | Paolo Bonzini | } |
331 | 6141dbfe | Paolo Bonzini | |
332 | e8ec0571 | Isaku Yamahata | static int piix4_pm_initfn(PCIDevice *dev) |
333 | 93d89f63 | Isaku Yamahata | { |
334 | e8ec0571 | Isaku Yamahata | PIIX4PMState *s = DO_UPCAST(PIIX4PMState, dev, dev); |
335 | 93d89f63 | Isaku Yamahata | uint8_t *pci_conf; |
336 | 93d89f63 | Isaku Yamahata | |
337 | 93d89f63 | Isaku Yamahata | pci_conf = s->dev.config; |
338 | 93d89f63 | Isaku Yamahata | pci_conf[0x06] = 0x80; |
339 | 93d89f63 | Isaku Yamahata | pci_conf[0x07] = 0x02; |
340 | 93d89f63 | Isaku Yamahata | pci_conf[0x09] = 0x00; |
341 | 93d89f63 | Isaku Yamahata | pci_conf[0x3d] = 0x01; // interrupt pin 1 |
342 | 93d89f63 | Isaku Yamahata | |
343 | 93d89f63 | Isaku Yamahata | pci_conf[0x40] = 0x01; /* PM io base read only bit */ |
344 | 93d89f63 | Isaku Yamahata | |
345 | 93d89f63 | Isaku Yamahata | /* APM */
|
346 | 93d89f63 | Isaku Yamahata | apm_init(&s->apm, apm_ctrl_changed, s); |
347 | 93d89f63 | Isaku Yamahata | |
348 | 93d89f63 | Isaku Yamahata | register_ioport_write(ACPI_DBG_IO_ADDR, 4, 4, acpi_dbg_writel, s); |
349 | 93d89f63 | Isaku Yamahata | |
350 | 93d89f63 | Isaku Yamahata | if (s->kvm_enabled) {
|
351 | 93d89f63 | Isaku Yamahata | /* Mark SMM as already inited to prevent SMM from running. KVM does not
|
352 | 93d89f63 | Isaku Yamahata | * support SMM mode. */
|
353 | 93d89f63 | Isaku Yamahata | pci_conf[0x5B] = 0x02; |
354 | 93d89f63 | Isaku Yamahata | } |
355 | 93d89f63 | Isaku Yamahata | |
356 | 93d89f63 | Isaku Yamahata | /* XXX: which specification is used ? The i82731AB has different
|
357 | 93d89f63 | Isaku Yamahata | mappings */
|
358 | e8ec0571 | Isaku Yamahata | pci_conf[0x90] = s->smb_io_base | 1; |
359 | e8ec0571 | Isaku Yamahata | pci_conf[0x91] = s->smb_io_base >> 8; |
360 | 93d89f63 | Isaku Yamahata | pci_conf[0xd2] = 0x09; |
361 | e8ec0571 | Isaku Yamahata | register_ioport_write(s->smb_io_base, 64, 1, smb_ioport_writeb, &s->smb); |
362 | e8ec0571 | Isaku Yamahata | register_ioport_read(s->smb_io_base, 64, 1, smb_ioport_readb, &s->smb); |
363 | 93d89f63 | Isaku Yamahata | |
364 | a54d41a8 | Isaku Yamahata | acpi_pm_tmr_init(&s->tmr, pm_tmr_timer); |
365 | 23910d3f | Isaku Yamahata | acpi_gpe_init(&s->gpe, GPE_LEN); |
366 | 93d89f63 | Isaku Yamahata | |
367 | 93d89f63 | Isaku Yamahata | qemu_system_powerdown = *qemu_allocate_irqs(piix4_powerdown, s, 1);
|
368 | 93d89f63 | Isaku Yamahata | |
369 | e8ec0571 | Isaku Yamahata | pm_smbus_init(&s->dev.qdev, &s->smb); |
370 | 6141dbfe | Paolo Bonzini | s->machine_ready.notify = piix4_pm_machine_ready; |
371 | 6141dbfe | Paolo Bonzini | qemu_add_machine_init_done_notifier(&s->machine_ready); |
372 | e8ec0571 | Isaku Yamahata | qemu_register_reset(piix4_reset, s); |
373 | ac404095 | Isaku Yamahata | piix4_acpi_system_hot_add_init(dev->bus, s); |
374 | e8ec0571 | Isaku Yamahata | |
375 | e8ec0571 | Isaku Yamahata | return 0; |
376 | e8ec0571 | Isaku Yamahata | } |
377 | e8ec0571 | Isaku Yamahata | |
378 | e8ec0571 | Isaku Yamahata | i2c_bus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
|
379 | e8ec0571 | Isaku Yamahata | qemu_irq sci_irq, qemu_irq cmos_s3, qemu_irq smi_irq, |
380 | e8ec0571 | Isaku Yamahata | int kvm_enabled)
|
381 | e8ec0571 | Isaku Yamahata | { |
382 | e8ec0571 | Isaku Yamahata | PCIDevice *dev; |
383 | e8ec0571 | Isaku Yamahata | PIIX4PMState *s; |
384 | e8ec0571 | Isaku Yamahata | |
385 | e8ec0571 | Isaku Yamahata | dev = pci_create(bus, devfn, "PIIX4_PM");
|
386 | e8ec0571 | Isaku Yamahata | qdev_prop_set_uint32(&dev->qdev, "smb_io_base", smb_io_base);
|
387 | 93d89f63 | Isaku Yamahata | |
388 | e8ec0571 | Isaku Yamahata | s = DO_UPCAST(PIIX4PMState, dev, dev); |
389 | 93d89f63 | Isaku Yamahata | s->irq = sci_irq; |
390 | eaba51c5 | Isaku Yamahata | acpi_pm1_cnt_init(&s->pm1_cnt, cmos_s3); |
391 | 93d89f63 | Isaku Yamahata | s->smi_irq = smi_irq; |
392 | e8ec0571 | Isaku Yamahata | s->kvm_enabled = kvm_enabled; |
393 | e8ec0571 | Isaku Yamahata | |
394 | e8ec0571 | Isaku Yamahata | qdev_init_nofail(&dev->qdev); |
395 | 93d89f63 | Isaku Yamahata | |
396 | 93d89f63 | Isaku Yamahata | return s->smb.smbus;
|
397 | 93d89f63 | Isaku Yamahata | } |
398 | 93d89f63 | Isaku Yamahata | |
399 | 40021f08 | Anthony Liguori | static Property piix4_pm_properties[] = {
|
400 | 40021f08 | Anthony Liguori | DEFINE_PROP_UINT32("smb_io_base", PIIX4PMState, smb_io_base, 0), |
401 | 40021f08 | Anthony Liguori | DEFINE_PROP_END_OF_LIST(), |
402 | 40021f08 | Anthony Liguori | }; |
403 | 40021f08 | Anthony Liguori | |
404 | 40021f08 | Anthony Liguori | static void piix4_pm_class_init(ObjectClass *klass, void *data) |
405 | 40021f08 | Anthony Liguori | { |
406 | 39bffca2 | Anthony Liguori | DeviceClass *dc = DEVICE_CLASS(klass); |
407 | 40021f08 | Anthony Liguori | PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); |
408 | 40021f08 | Anthony Liguori | |
409 | 40021f08 | Anthony Liguori | k->no_hotplug = 1;
|
410 | 40021f08 | Anthony Liguori | k->init = piix4_pm_initfn; |
411 | 40021f08 | Anthony Liguori | k->config_write = pm_write_config; |
412 | 40021f08 | Anthony Liguori | k->vendor_id = PCI_VENDOR_ID_INTEL; |
413 | 40021f08 | Anthony Liguori | k->device_id = PCI_DEVICE_ID_INTEL_82371AB_3; |
414 | 40021f08 | Anthony Liguori | k->revision = 0x03;
|
415 | 40021f08 | Anthony Liguori | k->class_id = PCI_CLASS_BRIDGE_OTHER; |
416 | 39bffca2 | Anthony Liguori | dc->desc = "PM";
|
417 | 39bffca2 | Anthony Liguori | dc->no_user = 1;
|
418 | 39bffca2 | Anthony Liguori | dc->vmsd = &vmstate_acpi; |
419 | 39bffca2 | Anthony Liguori | dc->props = piix4_pm_properties; |
420 | 40021f08 | Anthony Liguori | } |
421 | 40021f08 | Anthony Liguori | |
422 | 39bffca2 | Anthony Liguori | static TypeInfo piix4_pm_info = {
|
423 | 39bffca2 | Anthony Liguori | .name = "PIIX4_PM",
|
424 | 39bffca2 | Anthony Liguori | .parent = TYPE_PCI_DEVICE, |
425 | 39bffca2 | Anthony Liguori | .instance_size = sizeof(PIIX4PMState),
|
426 | 39bffca2 | Anthony Liguori | .class_init = piix4_pm_class_init, |
427 | e8ec0571 | Isaku Yamahata | }; |
428 | e8ec0571 | Isaku Yamahata | |
429 | e8ec0571 | Isaku Yamahata | static void piix4_pm_register(void) |
430 | e8ec0571 | Isaku Yamahata | { |
431 | 39bffca2 | Anthony Liguori | type_register_static(&piix4_pm_info); |
432 | e8ec0571 | Isaku Yamahata | } |
433 | e8ec0571 | Isaku Yamahata | |
434 | e8ec0571 | Isaku Yamahata | device_init(piix4_pm_register); |
435 | e8ec0571 | Isaku Yamahata | |
436 | 93d89f63 | Isaku Yamahata | static uint32_t gpe_readb(void *opaque, uint32_t addr) |
437 | 93d89f63 | Isaku Yamahata | { |
438 | 633aa0ac | Gleb Natapov | PIIX4PMState *s = opaque; |
439 | 23910d3f | Isaku Yamahata | uint32_t val = acpi_gpe_ioport_readb(&s->gpe, addr); |
440 | 93d89f63 | Isaku Yamahata | |
441 | 50d8ff8b | Isaku Yamahata | PIIX4_DPRINTF("gpe read %x == %x\n", addr, val);
|
442 | 93d89f63 | Isaku Yamahata | return val;
|
443 | 93d89f63 | Isaku Yamahata | } |
444 | 93d89f63 | Isaku Yamahata | |
445 | 93d89f63 | Isaku Yamahata | static void gpe_writeb(void *opaque, uint32_t addr, uint32_t val) |
446 | 93d89f63 | Isaku Yamahata | { |
447 | 633aa0ac | Gleb Natapov | PIIX4PMState *s = opaque; |
448 | 633aa0ac | Gleb Natapov | |
449 | 23910d3f | Isaku Yamahata | acpi_gpe_ioport_writeb(&s->gpe, addr, val); |
450 | 633aa0ac | Gleb Natapov | pm_update_sci(s); |
451 | 93d89f63 | Isaku Yamahata | |
452 | 50d8ff8b | Isaku Yamahata | PIIX4_DPRINTF("gpe write %x <== %d\n", addr, val);
|
453 | 93d89f63 | Isaku Yamahata | } |
454 | 93d89f63 | Isaku Yamahata | |
455 | 93d89f63 | Isaku Yamahata | static uint32_t pcihotplug_read(void *opaque, uint32_t addr) |
456 | 93d89f63 | Isaku Yamahata | { |
457 | 93d89f63 | Isaku Yamahata | uint32_t val = 0;
|
458 | 93d89f63 | Isaku Yamahata | struct pci_status *g = opaque;
|
459 | 93d89f63 | Isaku Yamahata | switch (addr) {
|
460 | 93d89f63 | Isaku Yamahata | case PCI_BASE:
|
461 | 93d89f63 | Isaku Yamahata | val = g->up; |
462 | 93d89f63 | Isaku Yamahata | break;
|
463 | 93d89f63 | Isaku Yamahata | case PCI_BASE + 4: |
464 | 93d89f63 | Isaku Yamahata | val = g->down; |
465 | 93d89f63 | Isaku Yamahata | break;
|
466 | 93d89f63 | Isaku Yamahata | default:
|
467 | 93d89f63 | Isaku Yamahata | break;
|
468 | 93d89f63 | Isaku Yamahata | } |
469 | 93d89f63 | Isaku Yamahata | |
470 | 50d8ff8b | Isaku Yamahata | PIIX4_DPRINTF("pcihotplug read %x == %x\n", addr, val);
|
471 | 93d89f63 | Isaku Yamahata | return val;
|
472 | 93d89f63 | Isaku Yamahata | } |
473 | 93d89f63 | Isaku Yamahata | |
474 | 93d89f63 | Isaku Yamahata | static void pcihotplug_write(void *opaque, uint32_t addr, uint32_t val) |
475 | 93d89f63 | Isaku Yamahata | { |
476 | 93d89f63 | Isaku Yamahata | struct pci_status *g = opaque;
|
477 | 93d89f63 | Isaku Yamahata | switch (addr) {
|
478 | 93d89f63 | Isaku Yamahata | case PCI_BASE:
|
479 | 93d89f63 | Isaku Yamahata | g->up = val; |
480 | 93d89f63 | Isaku Yamahata | break;
|
481 | 93d89f63 | Isaku Yamahata | case PCI_BASE + 4: |
482 | 93d89f63 | Isaku Yamahata | g->down = val; |
483 | 93d89f63 | Isaku Yamahata | break;
|
484 | 93d89f63 | Isaku Yamahata | } |
485 | 93d89f63 | Isaku Yamahata | |
486 | 50d8ff8b | Isaku Yamahata | PIIX4_DPRINTF("pcihotplug write %x <== %d\n", addr, val);
|
487 | 93d89f63 | Isaku Yamahata | } |
488 | 93d89f63 | Isaku Yamahata | |
489 | 93d89f63 | Isaku Yamahata | static uint32_t pciej_read(void *opaque, uint32_t addr) |
490 | 93d89f63 | Isaku Yamahata | { |
491 | 50d8ff8b | Isaku Yamahata | PIIX4_DPRINTF("pciej read %x\n", addr);
|
492 | 93d89f63 | Isaku Yamahata | return 0; |
493 | 93d89f63 | Isaku Yamahata | } |
494 | 93d89f63 | Isaku Yamahata | |
495 | 93d89f63 | Isaku Yamahata | static void pciej_write(void *opaque, uint32_t addr, uint32_t val) |
496 | 93d89f63 | Isaku Yamahata | { |
497 | 93d89f63 | Isaku Yamahata | BusState *bus = opaque; |
498 | 93d89f63 | Isaku Yamahata | DeviceState *qdev, *next; |
499 | 93d89f63 | Isaku Yamahata | int slot = ffs(val) - 1; |
500 | 93d89f63 | Isaku Yamahata | |
501 | d8bb00d6 | Paolo Bonzini | QTAILQ_FOREACH_SAFE(qdev, &bus->children, sibling, next) { |
502 | 40021f08 | Anthony Liguori | PCIDevice *dev = PCI_DEVICE(qdev); |
503 | 40021f08 | Anthony Liguori | PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev); |
504 | 40021f08 | Anthony Liguori | if (PCI_SLOT(dev->devfn) == slot && !pc->no_hotplug) {
|
505 | 93d89f63 | Isaku Yamahata | qdev_free(qdev); |
506 | 93d89f63 | Isaku Yamahata | } |
507 | 93d89f63 | Isaku Yamahata | } |
508 | 93d89f63 | Isaku Yamahata | |
509 | 93d89f63 | Isaku Yamahata | |
510 | 50d8ff8b | Isaku Yamahata | PIIX4_DPRINTF("pciej write %x <== %d\n", addr, val);
|
511 | 93d89f63 | Isaku Yamahata | } |
512 | 93d89f63 | Isaku Yamahata | |
513 | 668643b0 | Marcelo Tosatti | static uint32_t pcirmv_read(void *opaque, uint32_t addr) |
514 | 668643b0 | Marcelo Tosatti | { |
515 | 668643b0 | Marcelo Tosatti | PIIX4PMState *s = opaque; |
516 | 668643b0 | Marcelo Tosatti | |
517 | 668643b0 | Marcelo Tosatti | return s->pci0_hotplug_enable;
|
518 | 668643b0 | Marcelo Tosatti | } |
519 | 668643b0 | Marcelo Tosatti | |
520 | 668643b0 | Marcelo Tosatti | static void pcirmv_write(void *opaque, uint32_t addr, uint32_t val) |
521 | 668643b0 | Marcelo Tosatti | { |
522 | 668643b0 | Marcelo Tosatti | return;
|
523 | 668643b0 | Marcelo Tosatti | } |
524 | 668643b0 | Marcelo Tosatti | |
525 | 4cff0a59 | Michael S. Tsirkin | static int piix4_device_hotplug(DeviceState *qdev, PCIDevice *dev, |
526 | 4cff0a59 | Michael S. Tsirkin | PCIHotplugState state); |
527 | 93d89f63 | Isaku Yamahata | |
528 | ac404095 | Isaku Yamahata | static void piix4_acpi_system_hot_add_init(PCIBus *bus, PIIX4PMState *s) |
529 | 93d89f63 | Isaku Yamahata | { |
530 | ac404095 | Isaku Yamahata | struct pci_status *pci0_status = &s->pci0_status;
|
531 | 93d89f63 | Isaku Yamahata | |
532 | 23910d3f | Isaku Yamahata | register_ioport_write(GPE_BASE, GPE_LEN, 1, gpe_writeb, s);
|
533 | 23910d3f | Isaku Yamahata | register_ioport_read(GPE_BASE, GPE_LEN, 1, gpe_readb, s);
|
534 | 23910d3f | Isaku Yamahata | acpi_gpe_blk(&s->gpe, GPE_BASE); |
535 | ac404095 | Isaku Yamahata | |
536 | ac404095 | Isaku Yamahata | register_ioport_write(PCI_BASE, 8, 4, pcihotplug_write, pci0_status); |
537 | ac404095 | Isaku Yamahata | register_ioport_read(PCI_BASE, 8, 4, pcihotplug_read, pci0_status); |
538 | 93d89f63 | Isaku Yamahata | |
539 | 93d89f63 | Isaku Yamahata | register_ioport_write(PCI_EJ_BASE, 4, 4, pciej_write, bus); |
540 | 93d89f63 | Isaku Yamahata | register_ioport_read(PCI_EJ_BASE, 4, 4, pciej_read, bus); |
541 | 93d89f63 | Isaku Yamahata | |
542 | 668643b0 | Marcelo Tosatti | register_ioport_write(PCI_RMV_BASE, 4, 4, pcirmv_write, s); |
543 | 668643b0 | Marcelo Tosatti | register_ioport_read(PCI_RMV_BASE, 4, 4, pcirmv_read, s); |
544 | 668643b0 | Marcelo Tosatti | |
545 | ac404095 | Isaku Yamahata | pci_bus_hotplug(bus, piix4_device_hotplug, &s->dev.qdev); |
546 | 93d89f63 | Isaku Yamahata | } |
547 | 93d89f63 | Isaku Yamahata | |
548 | ac404095 | Isaku Yamahata | static void enable_device(PIIX4PMState *s, int slot) |
549 | 93d89f63 | Isaku Yamahata | { |
550 | 23910d3f | Isaku Yamahata | s->gpe.sts[0] |= PIIX4_PCI_HOTPLUG_STATUS;
|
551 | ac404095 | Isaku Yamahata | s->pci0_status.up |= (1 << slot);
|
552 | 93d89f63 | Isaku Yamahata | } |
553 | 93d89f63 | Isaku Yamahata | |
554 | ac404095 | Isaku Yamahata | static void disable_device(PIIX4PMState *s, int slot) |
555 | 93d89f63 | Isaku Yamahata | { |
556 | 23910d3f | Isaku Yamahata | s->gpe.sts[0] |= PIIX4_PCI_HOTPLUG_STATUS;
|
557 | ac404095 | Isaku Yamahata | s->pci0_status.down |= (1 << slot);
|
558 | 93d89f63 | Isaku Yamahata | } |
559 | 93d89f63 | Isaku Yamahata | |
560 | 4cff0a59 | Michael S. Tsirkin | static int piix4_device_hotplug(DeviceState *qdev, PCIDevice *dev, |
561 | 4cff0a59 | Michael S. Tsirkin | PCIHotplugState state) |
562 | 93d89f63 | Isaku Yamahata | { |
563 | 93d89f63 | Isaku Yamahata | int slot = PCI_SLOT(dev->devfn);
|
564 | ac404095 | Isaku Yamahata | PIIX4PMState *s = DO_UPCAST(PIIX4PMState, dev, |
565 | 40021f08 | Anthony Liguori | PCI_DEVICE(qdev)); |
566 | 93d89f63 | Isaku Yamahata | |
567 | 4cff0a59 | Michael S. Tsirkin | /* Don't send event when device is enabled during qemu machine creation:
|
568 | 4cff0a59 | Michael S. Tsirkin | * it is present on boot, no hotplug event is necessary. We do send an
|
569 | 4cff0a59 | Michael S. Tsirkin | * event when the device is disabled later. */
|
570 | 4cff0a59 | Michael S. Tsirkin | if (state == PCI_COLDPLUG_ENABLED) {
|
571 | 5beb8ad5 | Isaku Yamahata | return 0; |
572 | 4cff0a59 | Michael S. Tsirkin | } |
573 | 5beb8ad5 | Isaku Yamahata | |
574 | ac404095 | Isaku Yamahata | s->pci0_status.up = 0;
|
575 | ac404095 | Isaku Yamahata | s->pci0_status.down = 0;
|
576 | 4cff0a59 | Michael S. Tsirkin | if (state == PCI_HOTPLUG_ENABLED) {
|
577 | ac404095 | Isaku Yamahata | enable_device(s, slot); |
578 | ac404095 | Isaku Yamahata | } else {
|
579 | ac404095 | Isaku Yamahata | disable_device(s, slot); |
580 | ac404095 | Isaku Yamahata | } |
581 | 633aa0ac | Gleb Natapov | |
582 | 633aa0ac | Gleb Natapov | pm_update_sci(s); |
583 | 633aa0ac | Gleb Natapov | |
584 | 93d89f63 | Isaku Yamahata | return 0; |
585 | 93d89f63 | Isaku Yamahata | } |