aboutsummaryrefslogtreecommitdiff
path: root/hw/i386/ssdt-misc.dsl
diff options
context:
space:
mode:
authorPaolo Bonzini <pbonzini@redhat.com>2014-10-15 09:45:44 +0200
committerMichael S. Tsirkin <mst@redhat.com>2014-11-24 20:57:10 +0200
commit4f99ab7a782250847ca33ae23a172501496c604d (patch)
treeee25678872e39a823937b37499e7bb051c8f8919 /hw/i386/ssdt-misc.dsl
parentad5b88b1f198182642b6cbf3dacb4cade0c80fb9 (diff)
target-i386: move generic memory hotplug methods to DSDTs
This makes it simpler to keep the SSDT byte-for-byte identical for a given machine type, which is a goal we want to have for 2.2 and newer types. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/i386/ssdt-misc.dsl')
-rw-r--r--hw/i386/ssdt-misc.dsl165
1 files changed, 2 insertions, 163 deletions
diff --git a/hw/i386/ssdt-misc.dsl b/hw/i386/ssdt-misc.dsl
index 0fd448000b..1e3baaed3d 100644
--- a/hw/i386/ssdt-misc.dsl
+++ b/hw/i386/ssdt-misc.dsl
@@ -36,6 +36,8 @@ DefinitionBlock ("ssdt-misc.aml", "SSDT", 0x01, "BXPC", "BXSSDTSUSP", 0x1)
Name(P1E, Buffer() { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 })
ACPI_EXTRACT_NAME_BUFFER8 acpi_pci64_length
Name(P1L, Buffer() { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 })
+ ACPI_EXTRACT_NAME_DWORD_CONST ssdt_mctrl_nr_slots
+ Name(MEMORY_SLOTS_NUMBER, 0x12345678)
}
@@ -117,167 +119,4 @@ DefinitionBlock ("ssdt-misc.aml", "SSDT", 0x01, "BXPC", "BXSSDTSUSP", 0x1)
}
}
}
-
- External(MEMORY_SLOT_NOTIFY_METHOD, MethodObj)
- Scope(\_SB.PCI0) {
- Device(MEMORY_HOTPLUG_DEVICE) {
- Name(_HID, "PNP0A06")
- Name(_UID, "Memory hotplug resources")
-
- ACPI_EXTRACT_NAME_DWORD_CONST ssdt_mctrl_nr_slots
- Name(MEMORY_SLOTS_NUMBER, 0x12345678)
-
- /* Memory hotplug IO registers */
- OperationRegion(MEMORY_HOTPLUG_IO_REGION, SystemIO,
- ACPI_MEMORY_HOTPLUG_BASE,
- ACPI_MEMORY_HOTPLUG_IO_LEN)
-
- Name(_CRS, ResourceTemplate() {
- IO(Decode16, ACPI_MEMORY_HOTPLUG_BASE, ACPI_MEMORY_HOTPLUG_BASE,
- 0, ACPI_MEMORY_HOTPLUG_IO_LEN, IO)
- })
-
- Method(_STA, 0) {
- If (LEqual(MEMORY_SLOTS_NUMBER, Zero)) {
- Return(0x0)
- }
- /* present, functioning, decoding, not shown in UI */
- Return(0xB)
- }
-
- Field(MEMORY_HOTPLUG_IO_REGION, DWordAcc, NoLock, Preserve) {
- MEMORY_SLOT_ADDR_LOW, 32, // read only
- MEMORY_SLOT_ADDR_HIGH, 32, // read only
- MEMORY_SLOT_SIZE_LOW, 32, // read only
- MEMORY_SLOT_SIZE_HIGH, 32, // read only
- MEMORY_SLOT_PROXIMITY, 32, // read only
- }
- Field(MEMORY_HOTPLUG_IO_REGION, ByteAcc, NoLock, Preserve) {
- Offset(20),
- MEMORY_SLOT_ENABLED, 1, // 1 if enabled, read only
- MEMORY_SLOT_INSERT_EVENT, 1, // (read) 1 if has a insert event. (write) 1 to clear event
- }
-
- Mutex (MEMORY_SLOT_LOCK, 0)
- Field (MEMORY_HOTPLUG_IO_REGION, DWordAcc, NoLock, Preserve) {
- MEMORY_SLOT_SLECTOR, 32, // DIMM selector, write only
- MEMORY_SLOT_OST_EVENT, 32, // _OST event code, write only
- MEMORY_SLOT_OST_STATUS, 32, // _OST status code, write only
- }
-
- Method(MEMORY_SLOT_SCAN_METHOD, 0) {
- If (LEqual(MEMORY_SLOTS_NUMBER, Zero)) {
- Return(Zero)
- }
-
- Store(Zero, Local0) // Mem devs iterrator
- Acquire(MEMORY_SLOT_LOCK, 0xFFFF)
- while (LLess(Local0, MEMORY_SLOTS_NUMBER)) {
- Store(Local0, MEMORY_SLOT_SLECTOR) // select Local0 DIMM
- If (LEqual(MEMORY_SLOT_INSERT_EVENT, One)) { // Memory device needs check
- MEMORY_SLOT_NOTIFY_METHOD(Local0, 1)
- Store(1, MEMORY_SLOT_INSERT_EVENT)
- }
- // TODO: handle memory eject request
- Add(Local0, One, Local0) // goto next DIMM
- }
- Release(MEMORY_SLOT_LOCK)
- Return(One)
- }
-
- Method(MEMORY_SLOT_STATUS_METHOD, 1) {
- Store(Zero, Local0)
-
- Acquire(MEMORY_SLOT_LOCK, 0xFFFF)
- Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM
-
- If (LEqual(MEMORY_SLOT_ENABLED, One)) {
- Store(0xF, Local0)
- }
-
- Release(MEMORY_SLOT_LOCK)
- Return(Local0)
- }
-
- Method(MEMORY_SLOT_CRS_METHOD, 1, Serialized) {
- Acquire(MEMORY_SLOT_LOCK, 0xFFFF)
- Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM
-
- Name(MR64, ResourceTemplate() {
- QWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
- Cacheable, ReadWrite,
- 0x0000000000000000, // Address Space Granularity
- 0x0000000000000000, // Address Range Minimum
- 0xFFFFFFFFFFFFFFFE, // Address Range Maximum
- 0x0000000000000000, // Address Translation Offset
- 0xFFFFFFFFFFFFFFFF, // Address Length
- ,, MW64, AddressRangeMemory, TypeStatic)
- })
-
- CreateDWordField(MR64, 14, MINL)
- CreateDWordField(MR64, 18, MINH)
- CreateDWordField(MR64, 38, LENL)
- CreateDWordField(MR64, 42, LENH)
- CreateDWordField(MR64, 22, MAXL)
- CreateDWordField(MR64, 26, MAXH)
-
- Store(MEMORY_SLOT_ADDR_HIGH, MINH)
- Store(MEMORY_SLOT_ADDR_LOW, MINL)
- Store(MEMORY_SLOT_SIZE_HIGH, LENH)
- Store(MEMORY_SLOT_SIZE_LOW, LENL)
-
- // 64-bit math: MAX = MIN + LEN - 1
- Add(MINL, LENL, MAXL)
- Add(MINH, LENH, MAXH)
- If (LLess(MAXL, MINL)) {
- Add(MAXH, One, MAXH)
- }
- If (LLess(MAXL, One)) {
- Subtract(MAXH, One, MAXH)
- }
- Subtract(MAXL, One, MAXL)
-
- If (LEqual(MAXH, Zero)){
- Name(MR32, ResourceTemplate() {
- DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
- Cacheable, ReadWrite,
- 0x00000000, // Address Space Granularity
- 0x00000000, // Address Range Minimum
- 0xFFFFFFFE, // Address Range Maximum
- 0x00000000, // Address Translation Offset
- 0xFFFFFFFF, // Address Length
- ,, MW32, AddressRangeMemory, TypeStatic)
- })
- CreateDWordField(MR32, MW32._MIN, MIN)
- CreateDWordField(MR32, MW32._MAX, MAX)
- CreateDWordField(MR32, MW32._LEN, LEN)
- Store(MINL, MIN)
- Store(MAXL, MAX)
- Store(LENL, LEN)
-
- Release(MEMORY_SLOT_LOCK)
- Return(MR32)
- }
-
- Release(MEMORY_SLOT_LOCK)
- Return(MR64)
- }
-
- Method(MEMORY_SLOT_PROXIMITY_METHOD, 1) {
- Acquire(MEMORY_SLOT_LOCK, 0xFFFF)
- Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM
- Store(MEMORY_SLOT_PROXIMITY, Local0)
- Release(MEMORY_SLOT_LOCK)
- Return(Local0)
- }
-
- Method(MEMORY_SLOT_OST_METHOD, 4) {
- Acquire(MEMORY_SLOT_LOCK, 0xFFFF)
- Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM
- Store(Arg1, MEMORY_SLOT_OST_EVENT)
- Store(Arg2, MEMORY_SLOT_OST_STATUS)
- Release(MEMORY_SLOT_LOCK)
- }
- } // Device()
- } // Scope()
}