PCIe services

pcie

This is "nn::pcie::detail::IManager".

Cmd	Name
0	RegisterClassDriver
1	QueryFunctions

RegisterClassDriver

Takes an input Process handle and an input #ClassDriverConfig. Returns an output Event handle and an #ISession.

QueryFunctions

Takes a type-0x6 output buffer containing an array of #FunctionState. Returns an output s32 FunctionStateCount.

ISession

This is "nn::pcie::detail::ISession".

Cmd	Name
0	QueryFunctions
1	AcquireFunction
2	ReleaseFunction
3	GetFunctionState
4	GetBarProfile
5	ReadConfig
6	WriteConfig
7	ReadBarRegion
8	WriteBarRegion
9	FindCapability
10	FindExtendedCapability
11	MapDma
12	UnmapDmaByProcVa
13	UnmapDmaByBusAddress
14	GetDmaBusAddress
15	GetDmaBusAddressRange
16	SetDmaEnable
17	AcquireIrq
18	ReleaseIrq
19	SetIrqEnable
20	[7.0.0+] GetIrqEvent ([1.0.0-6.2.0] SetAspmEnable)
21	[7.0.0+] SetAspmEnable ([3.0.0-6.2.0] SetResetUponResumeEnable)
22	[7.0.0+] #SetResetUponResumeEnable ([4.0.0-6.2.0] ResetFunction)
23	[7.0.0+] #ResetFunction

QueryFunctions

Takes a type-0x6 output buffer containing an array of #FunctionState. Returns an output s32 FunctionStateCount.

AcquireFunction

Takes an input u32 FunctionHandle. Returns an output readable Event handle.

ReleaseFunction

Takes an input u32 FunctionHandle. No output.

GetFunctionState

Takes an input u32 FunctionHandle and a type-0x6 output buffer containing a #FunctionState. No output.

GetBarProfile

Takes two input u32s FunctionHandle and Bar. Returns an output #BarProfile.

ReadConfig

Takes two input u32s FunctionHandle, Offset and an input #BusAccessWidth. Returns an output u32 Config.

WriteConfig

Takes three input u32s FunctionHandle, Offset, Config and an input #BusAccessWidth. No output.

ReadBarRegion

Takes three input u32s FunctionHandle, Bar, Offset, an input #BusAccessWidth and a type-0x6 output buffer. No output.

[5.0.0+] Now takes a type-0x22 output buffer instead.

WriteBarRegion

Takes three input u32s FunctionHandle, Bar, Offset, an input #BusAccessWidth and a type-0x5 input buffer. No output.

[5.0.0+] Now takes a type-0x21 input buffer instead.

FindCapability

Takes an input u32s FunctionHandle and an input #CapabilityId. Returns an output u32 Capability.

FindExtendedCapability

Takes an input u32s FunctionHandle and an input #ExtendedCapabilityId. Returns an output u32 ExtendedCapability.

MapDma

Takes an input u32 FunctionHandle, an input #DmaDirection, an input u64 VirtualAddress and an input u32 Size. Returns an output u64 PhysicalAddress.

UnmapDmaByProcVa

Takes an input u32 FunctionHandle and an input u64 PhysicalAddress. No output.

UnmapDmaByBusAddress

Takes an input u32 FunctionHandle and an input u64 BusAddress. No output.

GetDmaBusAddress

Takes an input u32 FunctionHandle, an input u64 VirtualAddress and an input u32 Size. Returns an output u64 BusAddress.

GetDmaBusAddressRange

Takes an input u32 FunctionHandle. Returns two output u64s BusAddressRangeStart and BusAddressRangeEnd.

SetDmaEnable

Takes an input u32 FunctionHandle and an input bool Enable. No output.

AcquireIrq

Takes an input u32s FunctionHandle, an input #IrqType and an input s32 IrqCount. No output.

ReleaseIrq

Takes an input u32 FunctionHandle. No output.

SetIrqEnable

Takes an input u32s FunctionHandle, an unknown input u32 and an input bool Enable. No output.

GetIrqEvent

Takes an input u32s FunctionHandle and an input #IrqType. Returns an output Event handle.

SetAspmEnable

Takes an input u32 FunctionHandle and an input bool Enable. No output.

SetResetUponResumeEnable

Takes an input u32 FunctionHandle and an input bool Enable. No output.

ResetFunction

Takes an input u32 FunctionHandle and an unknown input u32. No output.

pcie:log

This is "nn::pcie::detail::ILoggedStateManager".

This was added with [6.0.0+].

Cmd	Name
0	GetLoggedState
1	GetLoggedStateEvent

ClassDriverConfig

This is "nn::pcie::ClassDriverConfig".

This is a 0x18-byte struct.

Offset	Size	Description
0x00	0x04
0x04	0x01
0x05	0x03	Reserved
0x08	0x04	ClassCode
0x0C	0x01	Function
0x0D	0x01	Reserved
0x0E	0x02	Vid
0x10	0x02	DevId
0x12	0x01
0x13	0x01	Reserved
0x14	0x04

ClassCode

This is a 0x4-byte struct.

Offset	Size	Description
0x00	0x01	ProgrammingInterface
0x01	0x01	SubClass
0x02	0x01	BaseClass
0x03	0x01	Reserved

FunctionState

This is "nn::pcie::FunctionState".

This is a 0x28-byte struct.

Offset	Size	Description
0x00	0x04	Handle
0x04	0x04	BusNum
0x08	0x01	DevNum
0x09	0x01	FuncNum
0x0A	0x02	Vid
0x0C	0x02	DevId
0x0E	0x01	HeaderType
0x0F	0x01	Reserved
0x10	0x04	ClassCode
0x14	0x01	RevisionId
0x15	0x03	Reserved
0x18	0x04
0x1C	0x04
0x20	0x04
0x24	0x01	HasAssignedClient
0x25	0x03	Reserved

BarProfile

This is "nn::pcie::BarProfile".

This is a 0x18-byte struct.

Offset	Size	Description
0x00	0x08	BaseAddress
0x08	0x08	Size
0x10	0x04	Flags
0x14	0x04	Reserved

[14.0.0+] This is a 0x20-byte struct.

Offset	Size	Description
0x00	0x08	BaseAddress
0x08	0x08
0x10	0x08	Size
0x18	0x04	Flags
0x1C	0x04	Reserved

BusAccessWidth

This is "nn::pcie::BusAccessWidth".

Value	Description
0	8bits
1	16bits
2	32bits

CapabilityId

This is "nn::pcie::CapabilityId".

ExtendedCapabilityId

This is "nn::pcie::ExtendedCapabilityId".

DmaDirection

This is "nn::pcie::DmaDirection".

This controls the MemoryPermission passed to MapDeviceAddressSpaceByForce.

Value	Description
0	ReadWrite
1	Write
2	Read

IrqType

This is "nn::pcie::IrqType".