FreeBSD on Freescale QorIQ Data Path Acceleration Architecture - - PowerPoint PPT Presentation

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture - - PowerPoint PPT Presentation

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices Piotr Zicik kosmo@semihalf.com BSDCan 2012 9-13 May, 2012 FreeBSD on Freescale QorIQ Data Path

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Piotr Zięcik kosmo@semihalf.com BSDCan 2012 9-13 May, 2012

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Presentation outline

◮ Introduction,

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SLIDE 3

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Presentation outline

◮ Introduction, ◮ Hardware description:

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SLIDE 4

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Presentation outline

◮ Introduction, ◮ Hardware description:

◮ Data Path Acceleration Architecture.

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SLIDE 5

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Presentation outline

◮ Introduction, ◮ Hardware description:

◮ Data Path Acceleration Architecture.

◮ Software description:

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SLIDE 6

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Presentation outline

◮ Introduction, ◮ Hardware description:

◮ Data Path Acceleration Architecture.

◮ Software description:

◮ Porting process.

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SLIDE 7

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Presentation outline

◮ Introduction, ◮ Hardware description:

◮ Data Path Acceleration Architecture.

◮ Software description:

◮ Porting process.

◮ Current state,

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SLIDE 8

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Presentation outline

◮ Introduction, ◮ Hardware description:

◮ Data Path Acceleration Architecture.

◮ Software description:

◮ Porting process.

◮ Current state, ◮ Future work.

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SLIDE 9

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Introduction

Networks are too fast!

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SLIDE 10

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Introduction

Networks are too fast!

◮ High packet rate:

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SLIDE 11

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Introduction

Networks are too fast!

◮ High packet rate:

◮ Fast Ethernet: 182 kpps.

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SLIDE 12

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Introduction

Networks are too fast!

◮ High packet rate:

◮ Fast Ethernet: 182 kpps. ◮ Gigabit Ethernet: 1.46 Mpps

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SLIDE 13

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Introduction

Networks are too fast!

◮ High packet rate:

◮ Fast Ethernet: 182 kpps. ◮ Gigabit Ethernet: 1.46 Mpps (4k ring buffer full in 2.8 ms).

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SLIDE 14

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Introduction

Networks are too fast!

◮ High packet rate:

◮ Fast Ethernet: 182 kpps. ◮ Gigabit Ethernet: 1.46 Mpps (4k ring buffer full in 2.8 ms).

◮ Problems:

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SLIDE 15

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Introduction

Networks are too fast!

◮ High packet rate:

◮ Fast Ethernet: 182 kpps. ◮ Gigabit Ethernet: 1.46 Mpps (4k ring buffer full in 2.8 ms).

◮ Problems:

◮ High interrupt rate and/or latency,

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SLIDE 16

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Introduction

Networks are too fast!

◮ High packet rate:

◮ Fast Ethernet: 182 kpps. ◮ Gigabit Ethernet: 1.46 Mpps (4k ring buffer full in 2.8 ms).

◮ Problems:

◮ High interrupt rate and/or latency, ◮ DMA memory management overhead,

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SLIDE 17

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Introduction

Networks are too fast!

◮ High packet rate:

◮ Fast Ethernet: 182 kpps. ◮ Gigabit Ethernet: 1.46 Mpps (4k ring buffer full in 2.8 ms).

◮ Problems:

◮ High interrupt rate and/or latency, ◮ DMA memory management overhead, ◮ Lock congestion,

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SLIDE 18

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Introduction

Networks are too fast!

◮ High packet rate:

◮ Fast Ethernet: 182 kpps. ◮ Gigabit Ethernet: 1.46 Mpps (4k ring buffer full in 2.8 ms).

◮ Problems:

◮ High interrupt rate and/or latency, ◮ DMA memory management overhead, ◮ Lock congestion, ◮ Packet parsing/inspection overhead.

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Freescale QoriQ DPAA Family

◮ Most recent Freescale Communication SoCs,

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Freescale QoriQ DPAA Family

◮ Most recent Freescale Communication SoCs, ◮ Successor of the PowerQUICC family,

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SLIDE 21

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Freescale QoriQ DPAA Family

◮ Most recent Freescale Communication SoCs, ◮ Successor of the PowerQUICC family, ◮ Up to 8 e500mc Cores,

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Freescale QoriQ DPAA Family

◮ Most recent Freescale Communication SoCs, ◮ Successor of the PowerQUICC family, ◮ Up to 8 e500mc Cores, ◮ Up to 2x 10GbE + 8x 1GbE,

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SLIDE 23

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Freescale QoriQ DPAA Family

◮ Most recent Freescale Communication SoCs, ◮ Successor of the PowerQUICC family, ◮ Up to 8 e500mc Cores, ◮ Up to 2x 10GbE + 8x 1GbE, ◮ Hardware Virtualization Support,

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SLIDE 24

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Freescale QoriQ DPAA Family

◮ Most recent Freescale Communication SoCs, ◮ Successor of the PowerQUICC family, ◮ Up to 8 e500mc Cores, ◮ Up to 2x 10GbE + 8x 1GbE, ◮ Hardware Virtualization Support, ◮ Data Path Acceleration Architecture.

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Freescale QoriQ DPAA Family

QorIQ P3041 Communication Processor (source: P3041 Fact Sheet)

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components

◮ Buffer Manager,

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components

◮ Buffer Manager, ◮ Queue Manager,

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components

◮ Buffer Manager, ◮ Queue Manager, ◮ Frame Manager (NICs),

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components

◮ Buffer Manager, ◮ Queue Manager, ◮ Frame Manager (NICs), ◮ Others:

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SLIDE 31

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components

◮ Buffer Manager, ◮ Queue Manager, ◮ Frame Manager (NICs), ◮ Others:

◮ Security Accelerator,

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components

◮ Buffer Manager, ◮ Queue Manager, ◮ Frame Manager (NICs), ◮ Others:

◮ Security Accelerator, ◮ Pattern Matching Engine.

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Buffer Manager

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SLIDE 34

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Buffer Manager

◮ Maintains Buffers,

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SLIDE 35

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Buffer Manager

◮ Maintains Buffers, ◮ Pools = Set of Buffers,

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SLIDE 36

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Buffer Manager

◮ Maintains Buffers, ◮ Pools = Set of Buffers, ◮ Pools are managed by software,

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SLIDE 37

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Buffer Manager

◮ Maintains Buffers, ◮ Pools = Set of Buffers, ◮ Pools are managed by software, ◮ Software and hardware may directly allocate/free buffer.

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SLIDE 38

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Queue Manager

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Queue Manager

◮ Maintains Frames,

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SLIDE 40

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Queue Manager

◮ Maintains Frames, ◮ Frame Queue = Linked list of Frames,

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SLIDE 41

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Queue Manager

◮ Maintains Frames, ◮ Frame Queue = Linked list of Frames, ◮ Work Queue = Linked list of Frame Queues,

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SLIDE 42

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Queue Manager

◮ Maintains Frames, ◮ Frame Queue = Linked list of Frames, ◮ Work Queue = Linked list of Frame Queues, ◮ Channel = 8 ∗ (Work Queue + Priority).

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Queue Manager

◮ Frames are enqueued to Frame Queues,

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Queue Manager

◮ Frames are enqueued to Frame Queues, ◮ Frames are dequeued from Channels,

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Queue Manager

◮ Frames are enqueued to Frame Queues, ◮ Frames are dequeued from Channels, ◮ Channels are attached to SoC components:

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Queue Manager

◮ Frames are enqueued to Frame Queues, ◮ Frames are dequeued from Channels, ◮ Channels are attached to SoC components:

◮ Dedicated Channel: Connected to single device,

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SLIDE 47

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Queue Manager

◮ Frames are enqueued to Frame Queues, ◮ Frames are dequeued from Channels, ◮ Channels are attached to SoC components:

◮ Dedicated Channel: Connected to single device, ◮ Poll Channel: Connected to group of devices.

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SLIDE 48

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Queue Manager

◮ Frames are enqueued to Frame Queues, ◮ Frames are dequeued from Channels, ◮ Channels are attached to SoC components:

◮ Dedicated Channel: Connected to single device, ◮ Poll Channel: Connected to group of devices.

◮ Other Queue Manager features:

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SLIDE 49

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Queue Manager

◮ Frames are enqueued to Frame Queues, ◮ Frames are dequeued from Channels, ◮ Channels are attached to SoC components:

◮ Dedicated Channel: Connected to single device, ◮ Poll Channel: Connected to group of devices.

◮ Other Queue Manager features:

◮ Congestion Management (Tail drop, RED/WRED),

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Queue Manager

◮ Frames are enqueued to Frame Queues, ◮ Frames are dequeued from Channels, ◮ Channels are attached to SoC components:

◮ Dedicated Channel: Connected to single device, ◮ Poll Channel: Connected to group of devices.

◮ Other Queue Manager features:

◮ Congestion Management (Tail drop, RED/WRED), ◮ Frame order restoration.

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Frame Manager

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Frame Manager

◮ MACs:

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Frame Manager

◮ MACs:

◮ 1x 10Gb Ethernet + 5x 1Gb Ethernet.

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SLIDE 54

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Frame Manager

◮ MACs:

◮ 1x 10Gb Ethernet + 5x 1Gb Ethernet.

◮ DMA:

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SLIDE 55

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Frame Manager

◮ MACs:

◮ 1x 10Gb Ethernet + 5x 1Gb Ethernet.

◮ DMA:

◮ Buffer Manager Interface (QMI).

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SLIDE 56

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Frame Manager

◮ MACs:

◮ 1x 10Gb Ethernet + 5x 1Gb Ethernet.

◮ DMA:

◮ Buffer Manager Interface (QMI). ◮ Queue Manager Interface (BMI),

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SLIDE 57

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Frame Manager

◮ MACs:

◮ 1x 10Gb Ethernet + 5x 1Gb Ethernet.

◮ DMA:

◮ Buffer Manager Interface (QMI). ◮ Queue Manager Interface (BMI), ◮ DMA Engine,

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SLIDE 58

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Frame Manager

◮ MACs:

◮ 1x 10Gb Ethernet + 5x 1Gb Ethernet.

◮ DMA:

◮ Buffer Manager Interface (QMI). ◮ Queue Manager Interface (BMI), ◮ DMA Engine,

◮ Frame Processor:

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SLIDE 59

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Frame Manager

◮ MACs:

◮ 1x 10Gb Ethernet + 5x 1Gb Ethernet.

◮ DMA:

◮ Buffer Manager Interface (QMI). ◮ Queue Manager Interface (BMI), ◮ DMA Engine,

◮ Frame Processor:

◮ Parser,

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SLIDE 60

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Frame Manager

◮ MACs:

◮ 1x 10Gb Ethernet + 5x 1Gb Ethernet.

◮ DMA:

◮ Buffer Manager Interface (QMI). ◮ Queue Manager Interface (BMI), ◮ DMA Engine,

◮ Frame Processor:

◮ Parser, ◮ Key Generator,

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SLIDE 61

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Frame Manager

◮ MACs:

◮ 1x 10Gb Ethernet + 5x 1Gb Ethernet.

◮ DMA:

◮ Buffer Manager Interface (QMI). ◮ Queue Manager Interface (BMI), ◮ DMA Engine,

◮ Frame Processor:

◮ Parser, ◮ Key Generator, ◮ Policer,

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SLIDE 62

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Components: Frame Manager

◮ MACs:

◮ 1x 10Gb Ethernet + 5x 1Gb Ethernet.

◮ DMA:

◮ Buffer Manager Interface (QMI). ◮ Queue Manager Interface (BMI), ◮ DMA Engine,

◮ Frame Processor:

◮ Parser, ◮ Key Generator, ◮ Policer, ◮ Frame Processing Module.

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Software Portals

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Software Portals

◮ CPU ↔ DPAA communication channels,

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Software Portals

◮ CPU ↔ DPAA communication channels, ◮ Portal = Cache Enabled + Cache Inhibited registers,

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SLIDE 66

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Software Portals

◮ CPU ↔ DPAA communication channels, ◮ Portal = Cache Enabled + Cache Inhibited registers, ◮ Transaction oriented,

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SLIDE 67

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Data Path Acceleration Architecture

Software Portals

◮ CPU ↔ DPAA communication channels, ◮ Portal = Cache Enabled + Cache Inhibited registers, ◮ Transaction oriented, ◮ Efficient SoC Bus usage.

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Hardware: Other selected features

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Hardware: Other selected features

◮ Cache Stashing,

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Hardware: Other selected features

◮ Cache Stashing, ◮ Virtualization:

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Hardware: Other selected features

◮ Cache Stashing, ◮ Virtualization:

◮ Additional privilege level in e500mc core,

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SLIDE 72

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Hardware: Other selected features

◮ Cache Stashing, ◮ Virtualization:

◮ Additional privilege level in e500mc core, ◮ Peripheral Access Management Units,

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Hardware: Other selected features

◮ Cache Stashing, ◮ Virtualization:

◮ Additional privilege level in e500mc core, ◮ Peripheral Access Management Units, ◮ Logical I/O Device Number,

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Hardware: Other selected features

◮ Cache Stashing, ◮ Virtualization:

◮ Additional privilege level in e500mc core, ◮ Peripheral Access Management Units, ◮ Logical I/O Device Number, ◮ Data Path Acceleration Architecture.

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Software

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Software

◮ Toolchain,

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SLIDE 77

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Software

◮ Toolchain, ◮ Early kernel initialization,

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SLIDE 78

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Software

◮ Toolchain, ◮ Early kernel initialization, ◮ Data Path Acceleration Architecture bring-up,

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SLIDE 79

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Software

◮ Toolchain, ◮ Early kernel initialization, ◮ Data Path Acceleration Architecture bring-up, ◮ SMP,

◮ DPAA in SMP environment,

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SLIDE 80

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Software

◮ Toolchain, ◮ Early kernel initialization, ◮ Data Path Acceleration Architecture bring-up, ◮ SMP,

◮ DPAA in SMP environment,

◮ Other peripherals.

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Toolchain

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Toolchain

◮ Support for e500v2 (predecessor of the e500mc) had

been already present,

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SLIDE 83

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Toolchain

◮ Support for e500v2 (predecessor of the e500mc) had

been already present,

◮ Only minor changes were required in binutils and gcc,

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Toolchain

◮ Support for e500v2 (predecessor of the e500mc) had

been already present,

◮ Only minor changes were required in binutils and gcc, ◮ All patches were available from the community and

Freescale.

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Early kernel initialization

locore.S

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Early kernel initialization

locore.S

◮ First code executed in FreeBSD kernel,

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Early kernel initialization

locore.S

◮ First code executed in FreeBSD kernel, ◮ Architecture depended assembly,

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SLIDE 88

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Early kernel initialization

locore.S

◮ First code executed in FreeBSD kernel, ◮ Architecture depended assembly, ◮ Prepares environment for C.

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SLIDE 89

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Early kernel initialization

locore.S

◮ First code executed in FreeBSD kernel, ◮ Architecture depended assembly, ◮ Prepares environment for C.

PowerPC locore.S

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Early kernel initialization

locore.S

◮ First code executed in FreeBSD kernel, ◮ Architecture depended assembly, ◮ Prepares environment for C.

PowerPC locore.S

◮ TLB initialization,

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Early kernel initialization

locore.S

◮ First code executed in FreeBSD kernel, ◮ Architecture depended assembly, ◮ Prepares environment for C.

PowerPC locore.S

◮ TLB initialization, ◮ Kernel stack initialization.

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Early kernel initialization

e500mc features in locore.S

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SLIDE 93

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Early kernel initialization

e500mc features in locore.S

◮ Bigger TLB,

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SLIDE 94

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Early kernel initialization

e500mc features in locore.S

◮ Bigger TLB, ◮ Hypervisor privilege level,

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SLIDE 95

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Early kernel initialization

e500mc features in locore.S

◮ Bigger TLB, ◮ Hypervisor privilege level, ◮ Hardware Implementation-Dependent Registers (HIDs).

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SLIDE 96

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Early kernel initialization

e500mc features in locore.S

◮ Bigger TLB, ◮ Hypervisor privilege level, ◮ Hardware Implementation-Dependent Registers (HIDs).

New TLB also affects pmap(9).

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SLIDE 97

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

DPAA Bring-up

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

DPAA Bring-up

NetCommSw

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SLIDE 99

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

DPAA Bring-up

NetCommSw

◮ A packet processing framework,

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SLIDE 100

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

DPAA Bring-up

NetCommSw

◮ A packet processing framework, ◮ OS Agnostic,

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SLIDE 101

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

DPAA Bring-up

NetCommSw

◮ A packet processing framework, ◮ OS Agnostic, ◮ Greatly reduces development time,

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SLIDE 102

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

DPAA Bring-up

NetCommSw

◮ A packet processing framework, ◮ OS Agnostic, ◮ Greatly reduces development time, ◮ Propertiary licensed.

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

DPAA Bring-up

NetCommSw

◮ A packet processing framework, ◮ OS Agnostic, ◮ Greatly reduces development time, ◮ Propertiary licensed.

Thanks to Freescale!

Buffer, Queue and Frame Manager drivers are now available under the BSD license.

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

NetCommSw Driver Model

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

XX Routines

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

XX Routines

◮ Simple routines for basic OS functions:

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SLIDE 107

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

XX Routines

◮ Simple routines for basic OS functions:

◮ void *XX_Malloc(unsigned int size)

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SLIDE 108

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

XX Routines

◮ Simple routines for basic OS functions:

◮ void *XX_Malloc(unsigned int size)

◮ Physical to Virtual translation is required:

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

XX Routines

◮ Simple routines for basic OS functions:

◮ void *XX_Malloc(unsigned int size)

◮ Physical to Virtual translation is required:

◮ Not supported by the FreeBSD kernel,

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SLIDE 110

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

XX Routines

◮ Simple routines for basic OS functions:

◮ void *XX_Malloc(unsigned int size)

◮ Physical to Virtual translation is required:

◮ Not supported by the FreeBSD kernel, ◮ Ambiguous,

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SLIDE 111

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

XX Routines

◮ Simple routines for basic OS functions:

◮ void *XX_Malloc(unsigned int size)

◮ Physical to Virtual translation is required:

◮ Not supported by the FreeBSD kernel, ◮ Ambiguous,

◮ Solution:

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SLIDE 112

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

XX Routines

◮ Simple routines for basic OS functions:

◮ void *XX_Malloc(unsigned int size)

◮ Physical to Virtual translation is required:

◮ Not supported by the FreeBSD kernel, ◮ Ambiguous,

◮ Solution:

◮ Keep list of all active mappings in vm_page structure,

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SLIDE 113

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

XX Routines

◮ Simple routines for basic OS functions:

◮ void *XX_Malloc(unsigned int size)

◮ Physical to Virtual translation is required:

◮ Not supported by the FreeBSD kernel, ◮ Ambiguous,

◮ Solution:

◮ Keep list of all active mappings in vm_page structure, ◮ pmap_enter() and pmap_remove() manages the list,

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

XX Routines

◮ Simple routines for basic OS functions:

◮ void *XX_Malloc(unsigned int size)

◮ Physical to Virtual translation is required:

◮ Not supported by the FreeBSD kernel, ◮ Ambiguous,

◮ Solution:

◮ Keep list of all active mappings in vm_page structure, ◮ pmap_enter() and pmap_remove() manages the list, ◮ XX Routines: PA → vm_page → the mappings list → VA.

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Wrapper Drivers

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Wrapper Drivers

◮ OS ↔ NetCommSw API translation layer,

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SLIDE 117

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Wrapper Drivers

◮ OS ↔ NetCommSw API translation layer, ◮ Access serialization layer,

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SLIDE 118

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Wrapper Drivers

◮ OS ↔ NetCommSw API translation layer, ◮ Access serialization layer, ◮ Written as simple newbus attachments,

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SLIDE 119

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Wrapper Drivers

◮ OS ↔ NetCommSw API translation layer, ◮ Access serialization layer, ◮ Written as simple newbus attachments, ◮ Export own API.

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Frame Manager Wrapper Driver

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Frame Manager Wrapper Driver

◮ Consists of several NetCommSw submodules,

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SLIDE 122

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Frame Manager Wrapper Driver

◮ Consists of several NetCommSw submodules, ◮ Each submodule have own API,

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SLIDE 123

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Frame Manager Wrapper Driver

◮ Consists of several NetCommSw submodules, ◮ Each submodule have own API, ◮ A single Frame Manger Wrapper Driver:

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Frame Manager Wrapper Driver

◮ Consists of several NetCommSw submodules, ◮ Each submodule have own API, ◮ A single Frame Manger Wrapper Driver:

◮ Performs initialization of common parts,

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Frame Manager Wrapper Driver

◮ Consists of several NetCommSw submodules, ◮ Each submodule have own API, ◮ A single Frame Manger Wrapper Driver:

◮ Performs initialization of common parts, ◮ Manages internal FMan resources,

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Frame Manager Wrapper Driver

◮ Consists of several NetCommSw submodules, ◮ Each submodule have own API, ◮ A single Frame Manger Wrapper Driver:

◮ Performs initialization of common parts, ◮ Manages internal FMan resources, ◮ Exports single, simplified API.

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SLIDE 127

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

dTSEC Driver

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SLIDE 128

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

dTSEC Driver

◮ Classic NIC driver from OS perspective,

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SLIDE 129

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

dTSEC Driver

◮ Classic NIC driver from OS perspective, ◮ Uses BMan, QMan and FMan wrapper drivers,

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SLIDE 130

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

dTSEC Driver

◮ Classic NIC driver from OS perspective, ◮ Uses BMan, QMan and FMan wrapper drivers, ◮ Binds DPAA parts together.

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SLIDE 131

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

dTSEC Driver: DPAA Usage

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

dTSEC Driver: DPAA Usage

◮ Buffer Manager:

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SLIDE 133

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

dTSEC Driver: DPAA Usage

◮ Buffer Manager:

◮ RX buffer pool management.

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SLIDE 134

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

dTSEC Driver: DPAA Usage

◮ Buffer Manager:

◮ RX buffer pool management.

◮ Queue Manager:

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SLIDE 135

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

dTSEC Driver: DPAA Usage

◮ Buffer Manager:

◮ RX buffer pool management.

◮ Queue Manager:

◮ Reads/Writes frames from/to queues (associated with

MACs).

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

dTSEC Driver: DPAA Usage

◮ Buffer Manager:

◮ RX buffer pool management.

◮ Queue Manager:

◮ Reads/Writes frames from/to queues (associated with

MACs).

◮ Frame Manager:

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

dTSEC Driver: DPAA Usage

◮ Buffer Manager:

◮ RX buffer pool management.

◮ Queue Manager:

◮ Reads/Writes frames from/to queues (associated with

MACs).

◮ Frame Manager:

◮ MAC abstraction,

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SLIDE 138

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

dTSEC Driver: DPAA Usage

◮ Buffer Manager:

◮ RX buffer pool management.

◮ Queue Manager:

◮ Reads/Writes frames from/to queues (associated with

MACs).

◮ Frame Manager:

◮ MAC abstraction, ◮ Data flow configuration.

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SLIDE 139

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

dTSEC Driver: TX Path

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SLIDE 140

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

dTSEC Driver: RX Path

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SLIDE 141

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP Bring-Up

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SLIDE 142

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP Bring-Up

◮ Based on existing e500v2 implementation,

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SLIDE 143

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP Bring-Up

◮ Based on existing e500v2 implementation, ◮ Issues with more than 2 cores:

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SLIDE 144

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP Bring-Up

◮ Based on existing e500v2 implementation, ◮ Issues with more than 2 cores:

◮ IPI Multicasting

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SLIDE 145

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP Bring-Up

◮ Based on existing e500v2 implementation, ◮ Issues with more than 2 cores:

◮ IPI Multicasting

◮ DPAA-related issues.

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP vs DPAA: Issues

Portal Mapping

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP vs DPAA: Issues

Portal Mapping

◮ Dedicated portal for each CPU,

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SLIDE 148

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP vs DPAA: Issues

Portal Mapping

◮ Dedicated portal for each CPU, ◮ Same portal address on each CPU,

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SLIDE 149

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP vs DPAA: Issues

Portal Mapping

◮ Dedicated portal for each CPU, ◮ Same portal address on each CPU, ◮ Such device mapping was not supported:

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SLIDE 150

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP vs DPAA: Issues

Portal Mapping

◮ Dedicated portal for each CPU, ◮ Same portal address on each CPU, ◮ Such device mapping was not supported:

◮ Introduction of "shared" bit,

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SLIDE 151

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP vs DPAA: Issues

Portal Mapping

◮ Dedicated portal for each CPU, ◮ Same portal address on each CPU, ◮ Such device mapping was not supported:

◮ Introduction of "shared" bit, ◮ Implemented using user-defined bits in TLB entry,

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SLIDE 152

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP vs DPAA: Issues

Portal Mapping

◮ Dedicated portal for each CPU, ◮ Same portal address on each CPU, ◮ Such device mapping was not supported:

◮ Introduction of "shared" bit, ◮ Implemented using user-defined bits in TLB entry, ◮ Only marked entries are propagated to other cores,

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SLIDE 153

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP vs DPAA: Issues

Portal Mapping

◮ Dedicated portal for each CPU, ◮ Same portal address on each CPU, ◮ Such device mapping was not supported:

◮ Introduction of "shared" bit, ◮ Implemented using user-defined bits in TLB entry, ◮ Only marked entries are propagated to other cores, ◮ Private are set on each CPU.

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SLIDE 154

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP vs DPAA: Issues

Portal Configuration

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SLIDE 155

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP vs DPAA: Issues

Portal Configuration

◮ Has to be performed on each portal (CPU),

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SLIDE 156

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP vs DPAA: Issues

Portal Configuration

◮ Has to be performed on each portal (CPU), ◮ Only boot CPU can execute configuration during boot,

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SLIDE 157

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP vs DPAA: Issues

Portal Configuration

◮ Has to be performed on each portal (CPU), ◮ Only boot CPU can execute configuration during boot, ◮ Other cores must initialize portals on demand:

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SLIDE 158

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP vs DPAA: Issues

Portal Configuration

◮ Has to be performed on each portal (CPU), ◮ Only boot CPU can execute configuration during boot, ◮ Other cores must initialize portals on demand:

◮ This may happen any time,

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SLIDE 159

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP vs DPAA: Issues

Portal Configuration

◮ Has to be performed on each portal (CPU), ◮ Only boot CPU can execute configuration during boot, ◮ Other cores must initialize portals on demand:

◮ This may happen any time, ◮ Portal configuration includes IRQ request,

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SLIDE 160

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP vs DPAA: Issues

Portal Configuration

◮ Has to be performed on each portal (CPU), ◮ Only boot CPU can execute configuration during boot, ◮ Other cores must initialize portals on demand:

◮ This may happen any time, ◮ Portal configuration includes IRQ request, ◮ But intr_event_create() may sleep!

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SLIDE 161

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP vs DPAA: Issues

Portal Configuration

◮ Has to be performed on each portal (CPU), ◮ Only boot CPU can execute configuration during boot, ◮ Other cores must initialize portals on demand:

◮ This may happen any time, ◮ Portal configuration includes IRQ request, ◮ But intr_event_create() may sleep! ◮ Solution: Interrupt preallocation in XX Routines.

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP vs DPAA: Issues

Portal Interrupts

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SLIDE 163

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP vs DPAA: Issues

Portal Interrupts

◮ Portal Interrupts must be bound to particular CPU,

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SLIDE 164

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

SMP vs DPAA: Issues

Portal Interrupts

◮ Portal Interrupts must be bound to particular CPU, ◮ Solution: Interrupt thread binding layer in XX Routines.

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Other Peripherals

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SLIDE 166

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Other Peripherals

◮ PCI Express Bus,

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SLIDE 167

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Other Peripherals

◮ PCI Express Bus, ◮ USB Controller (EHCI compliant),

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SLIDE 168

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Other Peripherals

◮ PCI Express Bus, ◮ USB Controller (EHCI compliant), ◮ SD/MMC Controller,

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SLIDE 169

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Other Peripherals

◮ PCI Express Bus, ◮ USB Controller (EHCI compliant), ◮ SD/MMC Controller, ◮ I2C Controller,

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Other Peripherals

◮ PCI Express Bus, ◮ USB Controller (EHCI compliant), ◮ SD/MMC Controller, ◮ I2C Controller, ◮ IDMA Controller.

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Current State and Results

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SLIDE 172

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Current State and Results

◮ Supported chips: P2041, P3041 and P5020 (in 32-bit

mode),

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SLIDE 173

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Current State and Results

◮ Supported chips: P2041, P3041 and P5020 (in 32-bit

mode),

◮ Simple iperf test:

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SLIDE 174

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Current State and Results

◮ Supported chips: P2041, P3041 and P5020 (in 32-bit

mode),

◮ Simple iperf test:

◮ Speed: 897 Mbit/s

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SLIDE 175

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Current State and Results

◮ Supported chips: P2041, P3041 and P5020 (in 32-bit

mode),

◮ Simple iperf test:

◮ Speed: 897 Mbit/s ◮ CPU Utilization: 30%,

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SLIDE 176

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Current State and Results

◮ Supported chips: P2041, P3041 and P5020 (in 32-bit

mode),

◮ Simple iperf test:

◮ Speed: 897 Mbit/s ◮ CPU Utilization: 30%, ◮ Of which 90% was interrupt servicing.

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SLIDE 177

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Current State and Results

p3041# vmstat -i interrupt total rate irq121: bman0 1 irq120: qman0 2784930 3584 irq122: qman0 2194130 2823 irq124: qman0 2263079 2912 irq126: qman0 2148167 2764 (...)

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Future work

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SLIDE 179

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Future work

◮ More networking features:

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SLIDE 180

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Future work

◮ More networking features:

◮ Pooling Mode,

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SLIDE 181

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Future work

◮ More networking features:

◮ Pooling Mode, ◮ Hardware Checksumming,

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SLIDE 182

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Future work

◮ More networking features:

◮ Pooling Mode, ◮ Hardware Checksumming, ◮ Jumbo Frames,

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SLIDE 183

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Future work

◮ More networking features:

◮ Pooling Mode, ◮ Hardware Checksumming, ◮ Jumbo Frames,

◮ More peripherals:

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SLIDE 184

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Future work

◮ More networking features:

◮ Pooling Mode, ◮ Hardware Checksumming, ◮ Jumbo Frames,

◮ More peripherals:

◮ Pattern Matching Engine,

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SLIDE 185

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Future work

◮ More networking features:

◮ Pooling Mode, ◮ Hardware Checksumming, ◮ Jumbo Frames,

◮ More peripherals:

◮ Pattern Matching Engine, ◮ Security Engine,

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SLIDE 186

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Future work

◮ More networking features:

◮ Pooling Mode, ◮ Hardware Checksumming, ◮ Jumbo Frames,

◮ More peripherals:

◮ Pattern Matching Engine, ◮ Security Engine, ◮ SATA Controller.

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SLIDE 187

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Acknowledgments

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SLIDE 188

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Acknowledgments

◮ Michał Dubiel (Semihalf),

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SLIDE 189

FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Acknowledgments

◮ Michał Dubiel (Semihalf), ◮ Rafał Jaworowski (Semihalf, The FreeBSD Project),

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Acknowledgments

◮ Michał Dubiel (Semihalf), ◮ Rafał Jaworowski (Semihalf, The FreeBSD Project), ◮ Phil Brownfield (Freescale)

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

Acknowledgments

◮ Michał Dubiel (Semihalf), ◮ Rafał Jaworowski (Semihalf, The FreeBSD Project), ◮ Phil Brownfield (Freescale) ◮ Zbigniew Bodek, Piotr Nowak, Tomasz Nowicki, Jan

Sięka, Łukasz Wójcik (all Semihalf).

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FreeBSD on Freescale QorIQ Data Path Acceleration Architecture Devices

The End Any questions?