PCIX_SET_MMRBC(9) Hardware Interfaces PCIX_SET_MMRBC(9)NAME
pcix_set_mmrbc - set PCI-X maximum memory read byte count
SYNOPSIS
int pcix_set_mmrbc(struct pci_dev * dev, int mmrbc);
ARGUMENTS
dev
PCI device to query
mmrbc
maximum memory read count in bytes valid values are 512, 1024, 2048, 4096
DESCRIPTION
If possible sets maximum memory read byte count, some bridges have erratas that prevent this.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 PCIX_SET_MMRBC(9)
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PCCBB(4) BSD Kernel Interfaces Manual PCCBB(4)NAME
pccbb -- cardbus bridge driver
SYNOPSIS
device cbb
device pccard
device cardbus
device exca
DESCRIPTION
The pccbb driver implements the Yenta specification for CardBus bridges.
The following PCI cardbus and pcmcia bridges are supported:
Cirrus Logic PD6832
Cirrus Logic PD6833
Cirrus Logic PD6834
O2micro OZ6812
O2micro OZ6832
O2micro OZ6833
O2micro OZ6836
O2micro OZ6860
O2micro OZ6872
O2micro OZ6912
O2micro OZ6922
O2micro OZ6933
O2micro OZ6972
O2Micro OZ711E1
O2Micro OZ711M1
Ricoh RL4C475
Ricoh RL4C476
Ricoh RL4C477
Ricoh RL4C478
TI PCI-1031
TI PCI-1130
TI PCI-1131
TI PCI-1210
TI PCI-1211
TI PCI-1220
TI PCI-1221
TI PCI-1225
TI PCI-1250
TI PCI-1251
TI PCI-1251B
TI PCI-1260
TI PCI-1260B
TI PCI-1410
TI PCI-1420
TI PCI-1450
TI PCI-1451
TI PCI-1510
TI PCI-1515
TI PCI-1520
TI PCI-1530
TI PCI-1620
TI PCI-4410
TI PCI-4450
TI PCI-4451
TI PCI-4510
TI PCI-4520
TI PCI-[67]x[12]1
TI PCI-[67]x20
ENE CB710
ENE CB720
ENE CB1211
ENE CB1255
ENE CB1410
ENE CB1420
Toshiba ToPIC95
Toshiba ToPIC95B
Toshiba ToPIC97
Toshiba ToPIC100
TUNABLES
The driver supports the following tunable parameters, which may be added to /boot/loader.conf or set via the sysctl(8) command:
hw.cbb.debug Non-zero values cause more verbose information to be printed to aid in debugging problems with the bridge chipset.
SEE ALSO cardbus(4), pccard(4), exca(4)BSD July 21, 2004 BSD
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