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Writing Device Drivers     Oracle Solaris 11.1 Information Library
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Document Information

Preface

Part I Designing Device Drivers for the Oracle Solaris Platform

1.  Overview of Oracle Solaris Device Drivers

2.  Oracle Solaris Kernel and Device Tree

3.  Multithreading

4.  Properties

5.  Managing Events and Queueing Tasks

6.  Driver Autoconfiguration

7.  Device Access: Programmed I/O

8.  Interrupt Handlers

9.  Direct Memory Access (DMA)

10.  Mapping Device and Kernel Memory

11.  Device Context Management

12.  Power Management

13.  Hardening Oracle Solaris Drivers

14.  Layered Driver Interface (LDI)

Part II Designing Specific Kinds of Device Drivers

15.  Drivers for Character Devices

16.  Drivers for Block Devices

17.  SCSI Target Drivers

18.  SCSI Host Bus Adapter Drivers

19.  Drivers for Network Devices

20.  USB Drivers

21.  SR-IOV Drivers

Part III Building a Device Driver

22.  Compiling, Loading, Packaging, and Testing Drivers

23.  Debugging, Testing, and Tuning Device Drivers

24.  Recommended Coding Practices

Part IV Appendixes

A.  Hardware Overview

B.  Summary of Oracle Solaris DDI/DKI Services

Module Functions

Device Information Tree Node (dev_info_t) Functions

Device (dev_t) Functions

Property Functions

Device Software State Functions

Memory Allocation and Deallocation Functions

Kernel Thread Control and Synchronization Functions

Task Queue Management Functions

Interrupt Functions

Programmed I/O Functions

Direct Memory Access (DMA) Functions

User Space Access Functions

User Process Event Functions

User Process Information Functions

User Application Kernel and Device Access Functions

Time-Related Functions

Power Management Functions

Fault Management Functions

Kernel Statistics Functions

Kernel Logging and Printing Functions

Buffered I/O Functions

Virtual Memory Functions

Device ID Functions

SCSI Functions

Resource Map Management Functions

System Global State

Utility Functions

C.  Making a Device Driver 64-Bit Ready

D.  Console Frame Buffer Drivers

E.  pci.conf File

Index

Interrupt Functions

The interrupt functions are:

ddi_intr_add_handler(9F)

Adds an interrupt handler.

ddi_intr_add_softint(9F)

Adds a soft interrupt handler.

ddi_intr_alloc(9F)

Allocates system resources and interrupt vectors for the specified type of interrupt.

ddi_intr_block_disable(9F)

Disables the specified range of interrupts. For MSI only.

ddi_intr_block_enable(9F)

Enables the specified range of interrupts. For MSI only.

ddi_intr_clr_mask(9F)

Clears an interrupt mask if the specified interrupt is enabled.

ddi_intr_disable(9F)

Disables the specified interrupt.

ddi_intr_dup_handler(9F)

Use with MSI-X only. Copies an address and data pair for an allocated interrupt vector to an unused interrupt vector on the same device.

ddi_intr_enable(9F)

Enables the specified interrupt.

ddi_intr_free(9F)

Releases the system resources and interrupt vectors for a specified interrupt handle.

ddi_intr_get_cap(9F)

Returns interrupt capability flags for the specified interrupt.

ddi_intr_get_hilevel_pri(9F)

Returns the minimum priority level for a high-level interrupt.

ddi_intr_get_navail(9F)

Returns the number of interrupts available for a particular hardware device and given interrupt type.

ddi_intr_get_nintrs(9F)

Get the number of interrupts that the device supports for the given interrupt type.

ddi_intr_get_pending(9F)

Read the interrupt pending bit if one is supported by either the host bridge or the device.

ddi_intr_get_pri(9F)

Returns the current software priority setting for the specified interrupt.

ddi_intr_get_softint_pri(9F)

Returns the soft interrupt priority for the specified interrupt.

ddi_intr_get_supported_types(9F)

Returns the hardware interrupt types that are supported by both the device and the host.

ddi_intr_remove_handler(9F)

Removes the specified interrupt handler.

ddi_intr_remove_softint(9F)

Remove the specified soft interrupt handler.

ddi_intr_set_cap(9F)

Sets the DDI_INTR_FLAG_LEVEL or DDI_INTR_FLAG_EDGE flag for the specified interrupt.

ddi_intr_set_mask(9F)

Sets an interrupt mask if the specified interrupt is enabled.

ddi_intr_set_pri(9F)

Sets the interrupt priority level for the specified interrupt.

ddi_intr_set_softint_pri(9F)

Changes the relative soft interrupt priority for the specified soft interrupt.

ddi_intr_trigger_softint(9F)

Trigger the specified soft interrupt.

To take advantage of the features of the new framework, use the above interfaces. Do not use the deprecated interfaces that are listed in the following table. These deprecated interfaces are retained for compatibility purposes only.

Table B-3 Deprecated Interrupt Functions

Deprecated Interrupt Functions
Replacements
ddi_add_intr(9F)
ddi_add_softintr(9F)
ddi_dev_nintrs(9F)
ddi_get_iblock_cookie(9F)
ddi_get_soft_iblock_cookie(9F)
ddi_intr_hilevel(9F)
ddi_remove_intr(9F)
ddi_remove_softintr(9F)
ddi_trigger_softintr(9F)