diff options
Diffstat (limited to 'man2/pciconfig_read.2')
-rw-r--r-- | man2/pciconfig_read.2 | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/man2/pciconfig_read.2 b/man2/pciconfig_read.2 deleted file mode 100644 index 4c894aa..0000000 --- a/man2/pciconfig_read.2 +++ /dev/null @@ -1,122 +0,0 @@ -.\" Contributed by Niki A. Rahimi, LTC Security Development -.\" narahimi@us.ibm.com -.\" -.\" %%%LICENSE_START(FREELY_REDISTRIBUTABLE) -.\" May be freely distributed and modified. -.\" %%%LICENSE_END -.\" -.TH pciconfig_read 2 2023-10-31 "Linux man-pages 6.7" -.SH NAME -pciconfig_read, pciconfig_write, pciconfig_iobase \- -pci device information handling -.SH LIBRARY -Standard C library -.RI ( libc ", " \-lc ) -.SH SYNOPSIS -.nf -.B #include <pci.h> -.P -.BI "int pciconfig_read(unsigned long " bus ", unsigned long " dfn , -.BI " unsigned long " off ", unsigned long " len , -.BI " unsigned char *" buf ); -.BI "int pciconfig_write(unsigned long " bus ", unsigned long " dfn , -.BI " unsigned long " off ", unsigned long " len , -.BI " unsigned char *" buf ); -.BI "int pciconfig_iobase(int " which ", unsigned long " bus , -.BI " unsigned long " devfn ); -.fi -.SH DESCRIPTION -Most of the interaction with PCI devices is already handled by the -kernel PCI layer, -and thus these calls should not normally need to be accessed from user space. -.TP -.BR pciconfig_read () -Reads to -.I buf -from device -.I dev -at offset -.I off -value. -.TP -.BR pciconfig_write () -Writes from -.I buf -to device -.I dev -at offset -.I off -value. -.TP -.BR pciconfig_iobase () -You pass it a bus/devfn pair and get a physical address for either the -memory offset (for things like prep, this is 0xc0000000), -the IO base for PIO cycles, or the ISA holes if any. -.SH RETURN VALUE -.TP -.BR pciconfig_read () -On success, zero is returned. -On error, \-1 is returned and -.I errno -is set to indicate the error. -.TP -.BR pciconfig_write () -On success, zero is returned. -On error, \-1 is returned and -.I errno -is set to indicate the error. -.TP -.BR pciconfig_iobase () -Returns information on locations of various I/O -regions in physical memory according to the -.I which -value. -Values for -.I which -are: -.BR IOBASE_BRIDGE_NUMBER , -.BR IOBASE_MEMORY , -.BR IOBASE_IO , -.BR IOBASE_ISA_IO , -.BR IOBASE_ISA_MEM . -.SH ERRORS -.TP -.B EINVAL -.I len -value is invalid. -This does not apply to -.BR pciconfig_iobase (). -.TP -.B EIO -I/O error. -.TP -.B ENODEV -For -.BR pciconfig_iobase (), -"hose" value is NULL. -For the other calls, could not find a slot. -.TP -.B ENOSYS -The system has not implemented these calls -.RB ( CONFIG_PCI -not defined). -.TP -.B EOPNOTSUPP -This return value is valid only for -.BR pciconfig_iobase (). -It is returned if the value for -.I which -is invalid. -.TP -.B EPERM -User does not have the -.B CAP_SYS_ADMIN -capability. -This does not apply to -.BR pciconfig_iobase (). -.SH STANDARDS -Linux. -.SH HISTORY -Linux 2.0.26/2.1.11. -.SH SEE ALSO -.BR capabilities (7) |