Function Name |
Description |
---|---|
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 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 |
---|---|
ddi_io_get8 |
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_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 |