129 lines
3.9 KiB
Diff
129 lines
3.9 KiB
Diff
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qemu: bios: pci hotplug support (Marcelo Tosatti)
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Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Index: bochs/bios/acpi-dsdt.dsl
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===================================================================
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--- bochs.orig/bios/acpi-dsdt.dsl
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+++ bochs/bios/acpi-dsdt.dsl
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@@ -91,6 +91,61 @@ DefinitionBlock (
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prt_slot3(0x001f),
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})
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+ OperationRegion(PCST, SystemIO, 0xae00, 0x08)
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+ Field (PCST, DWordAcc, NoLock, WriteAsZeros)
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+ {
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+ PCIU, 32,
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+ PCID, 32,
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+ }
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+
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+ OperationRegion(SEJ, SystemIO, 0xae08, 0x04)
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+ Field (SEJ, DWordAcc, NoLock, WriteAsZeros)
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+ {
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+ B0EJ, 32,
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+ }
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+
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+#define hotplug_slot(name, nr) \
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+ Device (S##name) { \
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+ Name (_ADR, nr##0000) \
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+ Method (_EJ0,1) { \
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+ Store(ShiftLeft(1, nr), B0EJ) \
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+ Return (0x0) \
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+ } \
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+ Name (_SUN, name) \
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+ }
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+
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+ hotplug_slot(1, 0x0001)
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+ hotplug_slot(2, 0x0002)
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+ hotplug_slot(3, 0x0003)
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+ hotplug_slot(4, 0x0004)
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+ hotplug_slot(5, 0x0005)
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+ hotplug_slot(6, 0x0006)
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+ hotplug_slot(7, 0x0007)
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+ hotplug_slot(8, 0x0008)
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+ hotplug_slot(9, 0x0009)
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+ hotplug_slot(10, 0x000a)
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+ hotplug_slot(11, 0x000b)
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+ hotplug_slot(12, 0x000c)
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+ hotplug_slot(13, 0x000d)
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+ hotplug_slot(14, 0x000e)
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+ hotplug_slot(15, 0x000f)
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+ hotplug_slot(16, 0x0010)
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+ hotplug_slot(17, 0x0011)
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+ hotplug_slot(18, 0x0012)
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+ hotplug_slot(19, 0x0013)
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+ hotplug_slot(20, 0x0014)
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+ hotplug_slot(21, 0x0015)
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+ hotplug_slot(22, 0x0016)
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+ hotplug_slot(23, 0x0017)
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+ hotplug_slot(24, 0x0018)
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+ hotplug_slot(25, 0x0019)
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+ hotplug_slot(26, 0x001a)
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+ hotplug_slot(27, 0x001b)
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+ hotplug_slot(28, 0x001c)
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+ hotplug_slot(29, 0x001d)
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+ hotplug_slot(30, 0x001e)
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+ hotplug_slot(31, 0x001f)
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+
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Name (_CRS, ResourceTemplate ()
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{
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WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
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@@ -605,8 +660,50 @@ DefinitionBlock (
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Method(_L00) {
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Return(0x01)
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}
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+
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+#define gen_pci_hotplug(nr) \
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+ If (And(\_SB.PCI0.PCIU, ShiftLeft(1, nr))) { \
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+ Notify(\_SB.PCI0.S##nr, 1) \
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+ } \
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+ If (And(\_SB.PCI0.PCID, ShiftLeft(1, nr))) { \
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+ Notify(\_SB.PCI0.S##nr, 3) \
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+ }
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+
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Method(_L01) {
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- Return(0x01)
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+ gen_pci_hotplug(1)
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+ gen_pci_hotplug(2)
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+ gen_pci_hotplug(3)
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+ gen_pci_hotplug(4)
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+ gen_pci_hotplug(5)
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+ gen_pci_hotplug(6)
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+ gen_pci_hotplug(7)
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+ gen_pci_hotplug(8)
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+ gen_pci_hotplug(9)
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+ gen_pci_hotplug(10)
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+ gen_pci_hotplug(11)
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+ gen_pci_hotplug(12)
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+ gen_pci_hotplug(13)
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+ gen_pci_hotplug(14)
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+ gen_pci_hotplug(15)
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+ gen_pci_hotplug(16)
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+ gen_pci_hotplug(17)
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+ gen_pci_hotplug(18)
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+ gen_pci_hotplug(19)
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+ gen_pci_hotplug(20)
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+ gen_pci_hotplug(21)
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+ gen_pci_hotplug(22)
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+ gen_pci_hotplug(23)
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+ gen_pci_hotplug(24)
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+ gen_pci_hotplug(25)
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+ gen_pci_hotplug(26)
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+ gen_pci_hotplug(27)
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+ gen_pci_hotplug(28)
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+ gen_pci_hotplug(29)
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+ gen_pci_hotplug(30)
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+ gen_pci_hotplug(31)
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+
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+ Return (0x01)
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+
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}
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Method(_L02) {
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Return(0x01)
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--
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