| blob | f55a335b32e11d59828692fdeb59125f2a916fe7 |
1 qemu: bios: pci hotplug support (Marcelo Tosatti)
3 Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
4 Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
6 Index: bochs/bios/acpi-dsdt.dsl
7 ===================================================================
8 --- bochs.orig/bios/acpi-dsdt.dsl
9 +++ bochs/bios/acpi-dsdt.dsl
10 @@ -91,6 +91,61 @@ DefinitionBlock (
11 prt_slot3(0x001f),
12 })
14 + OperationRegion(PCST, SystemIO, 0xae00, 0x08)
15 + Field (PCST, DWordAcc, NoLock, WriteAsZeros)
16 + {
17 + PCIU, 32,
18 + PCID, 32,
19 + }
20 +
21 + OperationRegion(SEJ, SystemIO, 0xae08, 0x04)
22 + Field (SEJ, DWordAcc, NoLock, WriteAsZeros)
23 + {
24 + B0EJ, 32,
25 + }
26 +
27 +#define hotplug_slot(name, nr) \
28 + Device (S##name) { \
29 + Name (_ADR, nr##0000) \
30 + Method (_EJ0,1) { \
31 + Store(ShiftLeft(1, nr), B0EJ) \
32 + Return (0x0) \
33 + } \
34 + Name (_SUN, name) \
35 + }
36 +
37 + hotplug_slot(1, 0x0001)
38 + hotplug_slot(2, 0x0002)
39 + hotplug_slot(3, 0x0003)
40 + hotplug_slot(4, 0x0004)
41 + hotplug_slot(5, 0x0005)
42 + hotplug_slot(6, 0x0006)
43 + hotplug_slot(7, 0x0007)
44 + hotplug_slot(8, 0x0008)
45 + hotplug_slot(9, 0x0009)
46 + hotplug_slot(10, 0x000a)
47 + hotplug_slot(11, 0x000b)
48 + hotplug_slot(12, 0x000c)
49 + hotplug_slot(13, 0x000d)
50 + hotplug_slot(14, 0x000e)
51 + hotplug_slot(15, 0x000f)
52 + hotplug_slot(16, 0x0010)
53 + hotplug_slot(17, 0x0011)
54 + hotplug_slot(18, 0x0012)
55 + hotplug_slot(19, 0x0013)
56 + hotplug_slot(20, 0x0014)
57 + hotplug_slot(21, 0x0015)
58 + hotplug_slot(22, 0x0016)
59 + hotplug_slot(23, 0x0017)
60 + hotplug_slot(24, 0x0018)
61 + hotplug_slot(25, 0x0019)
62 + hotplug_slot(26, 0x001a)
63 + hotplug_slot(27, 0x001b)
64 + hotplug_slot(28, 0x001c)
65 + hotplug_slot(29, 0x001d)
66 + hotplug_slot(30, 0x001e)
67 + hotplug_slot(31, 0x001f)
68 +
69 Name (_CRS, ResourceTemplate ()
70 {
71 WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
72 @@ -605,8 +660,50 @@ DefinitionBlock (
73 Method(_L00) {
74 Return(0x01)
75 }
76 +
77 +#define gen_pci_hotplug(nr) \
78 + If (And(\_SB.PCI0.PCIU, ShiftLeft(1, nr))) { \
79 + Notify(\_SB.PCI0.S##nr, 1) \
80 + } \
81 + If (And(\_SB.PCI0.PCID, ShiftLeft(1, nr))) { \
82 + Notify(\_SB.PCI0.S##nr, 3) \
83 + }
84 +
85 Method(_L01) {
86 - Return(0x01)
87 + gen_pci_hotplug(1)
88 + gen_pci_hotplug(2)
89 + gen_pci_hotplug(3)
90 + gen_pci_hotplug(4)
91 + gen_pci_hotplug(5)
92 + gen_pci_hotplug(6)
93 + gen_pci_hotplug(7)
94 + gen_pci_hotplug(8)
95 + gen_pci_hotplug(9)
96 + gen_pci_hotplug(10)
97 + gen_pci_hotplug(11)
98 + gen_pci_hotplug(12)
99 + gen_pci_hotplug(13)
100 + gen_pci_hotplug(14)
101 + gen_pci_hotplug(15)
102 + gen_pci_hotplug(16)
103 + gen_pci_hotplug(17)
104 + gen_pci_hotplug(18)
105 + gen_pci_hotplug(19)
106 + gen_pci_hotplug(20)
107 + gen_pci_hotplug(21)
108 + gen_pci_hotplug(22)
109 + gen_pci_hotplug(23)
110 + gen_pci_hotplug(24)
111 + gen_pci_hotplug(25)
112 + gen_pci_hotplug(26)
113 + gen_pci_hotplug(27)
114 + gen_pci_hotplug(28)
115 + gen_pci_hotplug(29)
116 + gen_pci_hotplug(30)
117 + gen_pci_hotplug(31)
118 +
119 + Return (0x01)
120 +
121 }
122 Method(_L02) {
123 Return(0x01)
125 --