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