HP-UX Reference (11i v2 03/08) - 5 Miscellaneous Topics, 7 Device (Special) Files, 9 General Information, Index (vol 9)

framebuf(7) framebuf(7)

S9000_ID_98720

S9000_ID_98730

S9000_ID_98550

For the

HP A1047A

Interface Card, the ﬁelds of the crt_dma_info structure have the following

restrictions:

mem_addr 32-byte aligned

fb_addr 16-byte aligned

length non-zero multiple of 32

skipcount 0

ERRORS

[EAGAIN] The operation would result in suspension of the calling process, but the request was

either GCLOCK_NOWAIT

or GCLOCK_BLOCKSIG_NOWAIT.

[EBUSY]

Attempted to lock the device, which is already locked by the same process.

[EINTR] A call to ioctl(2) was interrupted by a signal.

[EINVAL]

An invalid ioctl(2) command was made.

[ENODEV] Attempted to use read(2) or write(2) system calls on the device.

[ENOMEM] Sufﬁcient memory for mapping could not be allocated.

[ENOSPC] Required resources for mapping could not be allocated.

[ENXIO] The minor number on the device ﬁle refers to a nonexistent device.

[EPERM] Requested GCUNLOCK ioctl (2) command, but the device was locked by a different pro-

cess.

AUTHOR

framebuf was developed by HP.