Add ACPI hot-plug registers to DSDT Q35 tables.
Changes in the tables:
+ Scope (_SB.PCI0)
+ {
+ OperationRegion (PCST, SystemIO, 0x0CC4, 0x08)
+ Field (PCST, DWordAcc, NoLock, WriteAsZeros)
+ {
+ PCIU, 32,
+ PCID, 32
+ }
+
+ OperationRegion (SEJ, SystemIO, 0x0CCC, 0x04)
+ Field (SEJ, DWordAcc, NoLock, WriteAsZeros)
+ {
+ B0EJ, 32
+ }
+
+ OperationRegion (BNMR, SystemIO, 0x0CD4, 0x08)
+ Field (BNMR, DWordAcc, NoLock, WriteAsZeros)
+ {
+ BNUM, 32,
+ PIDX, 32
+ }
+
+ Mutex (BLCK, 0x00)
+ Method (PCEJ, 2, NotSerialized)
+ {
+ Acquire (BLCK, 0xFFFF)
+ BNUM = Arg0
+ B0EJ = (One << Arg1)
+ Release (BLCK)
+ Return (Zero)
+ }
+
+ Method (AIDX, 2, NotSerialized)
+ {
+ Acquire (BLCK, 0xFFFF)
+ BNUM = Arg0
+ PIDX = (One << Arg1)
+ Local0 = PIDX /* \_SB_.PCI0.PIDX */
+ Release (BLCK)
+ Return (Local0)
+ }
+
+ Method (PDSM, 6, Serialized)
+ {
+ If ((Arg0 == ToUUID ("
e5c937d0-3553-4d7a-9117-
ea4d19c3434d") /* Device Labeling Interface */))
+ {
+ Local0 = AIDX (Arg4, Arg5)
+ If ((Arg2 == Zero))
+ {
+ If ((Arg1 == 0x02))
+ {
+ If (!((Local0 == Zero) | (Local0 == 0xFFFFFFFF)))
+ {
+ Return (Buffer (One)
+ {
+ 0x81 // .
+ })
+ }
+ }
+
+ Return (Buffer (One)
+ {
+ 0x00 // .
+ })
+ }
+ ElseIf ((Arg2 == 0x07))
+ {
+ Local1 = Package (0x02)
+ {
+ Zero,
+ ""
+ }
+ Local1 [Zero] = Local0
+ Return (Local1)
+ }
+ }
+ }
+ }
+
...
Scope (_GPE)
{
Name (_HID, "ACPI0006" /* GPE Block Device */) // _HID: Hardware ID
+ Method (_E01, 0, NotSerialized) // _Exx: Edge-Triggered GPE, xx=0x00-0xFF
+ {
+ Acquire (\_SB.PCI0.BLCK, 0xFFFF)
+ \_SB.PCI0.PCNT ()
+ Release (\_SB.PCI0.BLCK)
+ }
...
+
+ Device (PHPR)
+ {
+ Name (_HID, "PNP0A06" /* Generic Container Device */) // _HID: Hardware ID
+ Name (_UID, "PCI Hotplug resources") // _UID: Unique ID
+ Name (_STA, 0x0B) // _STA: Status
+ Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings
+ {
+ IO (Decode16,
+ 0x0CC4, // Range Minimum
+ 0x0CC4, // Range Maximum
+ 0x01, // Alignment
+ 0x18, // Length
+ )
+ })
+ }
}
...
And if there is a port in configuration:
Device (S10)
{
Name (_ADR, 0x00020000) // _ADR: Address
+ Name (BSEL, Zero)
+ Device (S00)
+ {
+ Name (_SUN, Zero) // _SUN: Slot User Number
+ Name (_ADR, Zero) // _ADR: Address
+ Method (_EJ0, 1, NotSerialized) // _EJx: Eject Device, x=0-9
+ {
+ PCEJ (BSEL, _SUN)
+ }
+
+ Method (_DSM, 4, Serialized) // _DSM: Device-Specific Method
+ {
+ Return (PDSM (Arg0, Arg1, Arg2, Arg3, BSEL, _SUN))
+ }
+ }
+
...
+ Method (DVNT, 2, NotSerialized)
+ {
+ If ((Arg0 & One))
+ {
+ Notify (S00, Arg1)
+ }
...
Signed-off-by: Julia Suvorova <jusual@redhat.com>
Message-Id: <
20210713004205.775386-7-jusual@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
projects / qemu.git / commitdiff