Function Name |
Description |
---|---|
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 above can always be used rather than the mem, io, and pci_config functions below. However, the below functions may be used as alternatives in cases where the type of access is known at compile time.
Table B–14 Alternate Access Mechanisms
Function Name |
Description |
---|---|
read 8-bit data from mapped device register in I/O space |
|
ddi_io_get16 |
read 16-bit data from mapped device register in I/O space |
ddi_io_get32 |
read 32-bit data from mapped device register in I/O space |
ddi_io_put8 |
write 8-bit data to mapped device register in I/O space |
ddi_io_put16 |
write 16-bit data to mapped device register in I/O space |
ddi_io_put32 |
write 32-bit data to mapped device register in I/O space |
ddi_io_rep_get8 |
read multiple 8-bit data from mapped device register in I/O space |
ddi_io_rep_get16 |
read multiple 16-bit data from mapped device register in I/O space |
ddi_io_rep_get32 |
read multiple 32-bit data from mapped device register in I/O space |
ddi_io_rep_put8 |
write multiple 8-bit data to mapped device register in I/O space |
ddi_io_rep_put16 |
write multiple 16-bit data to mapped device register in I/O space |
ddi_io_rep_put32 |
write multiple 32-bit data to mapped device register in I/O space |
ddi_mem_get8 |
read 8-bit data from mapped device in memory space or DMA memory |
ddi_mem_get16 |
read 16-bit data from mapped device in memory space or DMA memory |
ddi_mem_get32 |
read 32-bit data from mapped device in memory space or DMA memory |
ddi_mem_get64 |
read 64-bit data from mapped device in memory space or DMA memory |
ddi_mem_put8 |
write 8-bit data to mapped device in memory space or DMA memory |
ddi_mem_put16 |
write 16-bit data to mapped device in memory space or DMA memory |
ddi_mem_put32 |
write 32-bit data to mapped device in memory space or DMA memory |
ddi_mem_put64 |
write 64-bit data to mapped device in memory space or DMA memory |
ddi_mem_rep_get8 |
read multiple 8-bit data from mapped device in memory space or DMA memory |
ddi_mem_rep_get16 |
read multiple 16-bit data from mapped device in memory space or DMA memory |
ddi_mem_rep_get32 |
read multiple 32-bit data from mapped device in memory space or DMA memory |
ddi_mem_rep_get64 |
read multiple 64-bit data from mapped device in memory space or DMA memory |
ddi_mem_rep_put8 |
write multiple 8-bit data to mapped device in memory space or DMA memory |
ddi_mem_rep_put16 |
write multiple 16-bit data to mapped device in memory space or DMA memory |
ddi_mem_rep_put32 |
write multiple 32-bit data to mapped device in memory space or DMA memory |
ddi_mem_rep_put64 |
write multiple 64-bit data to mapped device in memory space or DMA memory |
pci_config_setup |
setup 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–15 Deprecated Programmed I/O Functions
Deprecated Function |
Replacement |
---|---|
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 |