Follow Techotopia on Twitter

On-line Guides
All Guides
eBook Store
iOS / Android
Linux for Beginners
Office Productivity
Linux Installation
Linux Security
Linux Utilities
Linux Virtualization
Linux Kernel
System/Network Admin
Programming
Scripting Languages
Development Tools
Web Development
GUI Toolkits/Desktop
Databases
Mail Systems
openSolaris
Eclipse Documentation
Techotopia.com
Virtuatopia.com

How To Guides
Virtualization
General System Admin
Linux Security
Linux Filesystems
Web Servers
Graphics & Desktop
PC Hardware
Windows
Problem Solutions
Privacy Policy

  




 

 

Writing Device Drivers
Previous Next

Programmed I/O Functions

The programmed I/O functions are:

ddi_dev_nregs()

Return the number of register sets a device has

ddi_dev_regsize()

Return the size of a device's register

ddi_regs_map_setup()

Set up a mapping for a register address space

ddi_regs_map_free()

Free a previously mapped register address space

ddi_device_copy()

Copy data from one device register to another device register

ddi_device_zero()

Zero fill the device

ddi_check_acc_handle()

Check data access handle

ddi_get8()

Read 8-bit data from mapped memory, device register, or DMA memory

ddi_get16()

Read 16-bit data from mapped memory, device register, or DMA memory

ddi_get32()

Read 32-bit data from mapped memory, device register, or DMA memory

ddi_get64()

Read 64-bit data from mapped memory, device register, or DMA memory

ddi_put8()

Write 8-bit data to mapped memory, device register, or DMA memory

ddi_put16()

Write 16-bit data to mapped memory, device register, or DMA memory

ddi_put32()

Write 32-bit data to mapped memory, device register, or DMA memory

ddi_put64()

Write 64-bit data to mapped memory, device register, or DMA memory

ddi_rep_get8()

Read multiple 8-bit data from mapped memory, device register, or DMA memory

ddi_rep_get16()

Read multiple 16-bit data from mapped memory, device register, or DMA memory

ddi_rep_get32()

Read multiple 32-bit data from mapped memory, device register, or DMA memory

ddi_rep_get64()

Read multiple 64-bit data from mapped memory, device register, or DMA memory

ddi_rep_put8()

Write multiple 8-bit data to mapped memory, device register, or DMA memory

ddi_rep_put16()

Write multiple 16-bit data to mapped memory, device register, or DMA memory

ddi_rep_put32()

Write multiple 32-bit data to mapped memory, device register, or DMA memory

ddi_rep_put64()

Write multiple 64-bit data to mapped memory, device register, or DMA memory

ddi_peek8()

Cautiously read an 8-bit value from a location

ddi_peek16()

Cautiously read a 16-bit value from a location

ddi_peek32()

Cautiously read a 32-bit value from a location

ddi_peek64()

Cautiously read a 64-bit value from a location

ddi_poke8()

Cautiously write an 8-bit value to a location

ddi_poke16()

Cautiously write a 16-bit value to a location

ddi_poke32()

Cautiously write a 32-bit value to a location

ddi_poke64()

Cautiously write a 64-bit value to a location

The general programmed I/O functions listed above can always be used rather than the mem, io, and pci_config functions that follow. However, the following functions can be used as alternatives in cases where the type of access is known at compile time.

ddi_io_get8()

Read 8-bit data from a mapped device register in I/O space

ddi_io_get16()

Read 16-bit data from a mapped device register in I/O space

ddi_io_get32()

Read 32-bit data from a mapped device register in I/O space

ddi_io_put8()

Write 8-bit data to a mapped device register in I/O space

ddi_io_put16()

Write 16-bit data to a mapped device register in I/O space

ddi_io_put32()

Write 32-bit data to a mapped device register in I/O space

ddi_io_rep_get8()

Read multiple 8-bit data from a mapped device register in I/O space

ddi_io_rep_get16()

Read multiple 16-bit data from a mapped device register in I/O space

ddi_io_rep_get32()

Read multiple 32-bit data from a mapped device register in I/O space

ddi_io_rep_put8()

Write multiple 8-bit data to a mapped device register in I/O space

ddi_io_rep_put16()

Write multiple 16-bit data to a mapped device register in I/O space

ddi_io_rep_put32()

Write multiple 32-bit data to a mapped device register in I/O space

ddi_mem_get8()

Read 8-bit data from a mapped device in memory space or DMA memory

ddi_mem_get16()

Read 16-bit data from a mapped device in memory space or DMA memory

ddi_mem_get32()

Read 32-bit data from a mapped device in memory space or DMA memory

ddi_mem_get64()

Read 64-bit data from a mapped device in memory space or DMA memory

ddi_mem_put8()

Write 8-bit data to a mapped device in memory space or DMA memory

ddi_mem_put16()

Write 16-bit data to a mapped device in memory space or DMA memory

ddi_mem_put32()

Write 32-bit data to a mapped device in memory space or DMA memory

ddi_mem_put64()

Write 64-bit data to a mapped device in memory space or DMA memory

ddi_mem_rep_get8()

Read multiple 8-bit data from a mapped device in memory space or DMA memory

ddi_mem_rep_get16()

Read multiple 16-bit data from a mapped device in memory space or DMA memory

ddi_mem_rep_get32()

Read multiple 32-bit data from a mapped device in memory space or DMA memory

ddi_mem_rep_get64()

Read multiple 64-bit data from a mapped device in memory space or DMA memory

ddi_mem_rep_put8()

Write multiple 8-bit data to a mapped device in memory space or DMA memory

ddi_mem_rep_put16()

Write multiple 16-bit data to a mapped device in memory space or DMA memory

ddi_mem_rep_put32()

Write multiple 32-bit data to a mapped device in memory space or DMA memory

ddi_mem_rep_put64()

Write multiple 64-bit data to a mapped device in memory space or DMA memory

pci_config_setup()

Set up access to PCI Local Bus Configuration space

pci_config_teardown()

Tear down access to PCI Local Bus Configuration space

pci_config_get8()

Read 8-bit data from the PCI Local Bus Configuration space

pci_config_get16()

Read 16-bit data from the PCI Local Bus Configuration space

pci_config_get32()

Read 32-bit data from the PCI Local Bus Configuration space

pci_config_get64()

Read 64-bit data from the PCI Local Bus Configuration space

pci_config_put8()

Write 8-bit data to the PCI Local Bus Configuration space

pci_config_put16()

Write 16-bit data to the PCI Local Bus Configuration space

pci_config_put32()

Write 32-bit data to the PCI Local Bus Configuration space

pci_config_put64()

Write 64-bit data to the PCI Local Bus Configuration space

Table B-4 Deprecated Programmed I/O Functions

Deprecated Function

Replacement

ddi_getb()

ddi_get8()

ddi_getl()

ddi_get32()

ddi_getll()

ddi_get64()

ddi_getw()

ddi_get16()

ddi_io_getb()

ddi_io_get8()

ddi_io_getl()

ddi_io_get32()

ddi_io_getw()

ddi_io_get16()

ddi_io_putb()

ddi_io_put8()

ddi_io_putl()

ddi_io_put32()

ddi_io_putw()

ddi_io_put16()

ddi_io_rep_getb()

ddi_io_rep_get8()

ddi_io_rep_getl()

ddi_io_rep_get32()

ddi_io_rep_getw()

ddi_io_rep_get16()

ddi_io_rep_putb()

ddi_io_rep_put8()

ddi_io_rep_putl()

ddi_io_rep_put32()

ddi_io_rep_putw()

ddi_io_rep_put16()

ddi_map_regs()

ddi_regs_map_setup()

ddi_mem_getb()

ddi_mem_get8()

ddi_mem_getl()

ddi_mem_get32()

ddi_mem_getll()

ddi_mem_get64()

ddi_mem_getw()

ddi_mem_get16()

ddi_mem_putb()

ddi_mem_put8()

ddi_mem_putl()

ddi_mem_put32()

ddi_mem_putll()

ddi_mem_put64()

ddi_mem_putw()

ddi_mem_put16()

ddi_mem_rep_getb()

ddi_mem_rep_get8()

ddi_mem_rep_getl()

ddi_mem_rep_get32()

ddi_mem_rep_getll()

ddi_mem_rep_get64()

ddi_mem_rep_getw()

ddi_mem_rep_get16()

ddi_mem_rep_putb()

ddi_mem_rep_put8()

ddi_mem_rep_putl()

ddi_mem_rep_put32()

ddi_mem_rep_putll()

ddi_mem_rep_put64()

ddi_mem_rep_putw()

ddi_mem_rep_put16()

ddi_peekc()

ddi_peek8()

ddi_peekd()

ddi_peek64()

ddi_peekl()

ddi_peek32()

ddi_peeks()

ddi_peek16()

ddi_pokec()

ddi_poke8()

ddi_poked()

ddi_poke64()

ddi_pokel()

ddi_poke32()

ddi_pokes()

ddi_poke16()

ddi_putb()

ddi_put8()

ddi_putl()

ddi_put32()

ddi_putll()

ddi_put64()

ddi_putw()

ddi_put16()

ddi_rep_getb()

ddi_rep_get8()

ddi_rep_getl()

ddi_rep_get32()

ddi_rep_getll()

ddi_rep_get64()

ddi_rep_getw()

ddi_rep_get16()

ddi_rep_putb()

ddi_rep_put8()

ddi_rep_putl()

ddi_rep_put32()

ddi_rep_putll()

ddi_rep_put64()

ddi_rep_putw()

ddi_rep_put16()

ddi_unmap_regs()

ddi_regs_map_free()

inb()

ddi_io_get8()

inl()

ddi_io_get32()

inw()

ddi_io_get16()

outb()

ddi_io_put8()

outl()

ddi_io_put32()

outw()

ddi_io_put16()

pci_config_getb()

pci_config_get8()

pci_config_getl()

pci_config_get32()

pci_config_getll()

pci_config_get64()

pci_config_getw()

pci_config_get16()

pci_config_putb()

pci_config_put8()

pci_config_putl()

pci_config_put32()

pci_config_putll()

pci_config_put64()

pci_config_putw()

pci_config_put16()

repinsb()

ddi_io_rep_get8()

repinsd()

ddi_io_rep_get32()

repinsw()

ddi_io_rep_get16()

repoutsb()

ddi_io_rep_put8()

repoutsd()

ddi_io_rep_put32()

repoutsw()

ddi_io_rep_put16()

Previous Next

 
 
  Published under the terms fo the Public Documentation License Version 1.01. Design by Interspire