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Disabled Functions: pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,
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/
usr/
src/
linux-headers-3.0.0-14/
arch/
mips/
include/
asm/
octeon/
- drwxr-xr-x
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Viewing file:  octeon-feature.h (4.48 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
/***********************license start***************
* Author: Cavium Networks
*
* Contact: support@caviumnetworks.com
* This file is part of the OCTEON SDK
*
* Copyright (c) 2003-2008 Cavium Networks
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*
* This file is distributed in the hope that it will be useful, but
* AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
* NONINFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this file; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
* or visit http://www.gnu.org/licenses/.
*
* This file may also be available under a different license from Cavium.
* Contact Cavium Networks for more information
***********************license end**************************************/
/*
* File defining checks for different Octeon features.
*/
#ifndef __OCTEON_FEATURE_H__
#define __OCTEON_FEATURE_H__
enum octeon_feature {
/*
* Octeon models in the CN5XXX family and higher support
* atomic add instructions to memory (saa/saad).
*/
OCTEON_FEATURE_SAAD,
/* Does this Octeon support the ZIP offload engine? */
OCTEON_FEATURE_ZIP,
/* Does this Octeon support crypto acceleration using COP2? */
OCTEON_FEATURE_CRYPTO,
/* Does this Octeon support PCI express? */
OCTEON_FEATURE_PCIE,
/* Some Octeon models support internal memory for storing
* cryptographic keys */
OCTEON_FEATURE_KEY_MEMORY,
/* Octeon has a LED controller for banks of external LEDs */
OCTEON_FEATURE_LED_CONTROLLER,
/* Octeon has a trace buffer */
OCTEON_FEATURE_TRA,
/* Octeon has a management port */
OCTEON_FEATURE_MGMT_PORT,
/* Octeon has a raid unit */
OCTEON_FEATURE_RAID,
/* Octeon has a builtin USB */
OCTEON_FEATURE_USB,
/* Octeon IPD can run without using work queue entries */
OCTEON_FEATURE_NO_WPTR,
/* Octeon has DFA state machines */
OCTEON_FEATURE_DFA,
/* Octeon MDIO block supports clause 45 transactions for 10
* Gig support */
OCTEON_FEATURE_MDIO_CLAUSE_45,
};
static inline int cvmx_fuse_read(int fuse);
/**
* Determine if the current Octeon supports a specific feature. These
* checks have been optimized to be fairly quick, but they should still
* be kept out of fast path code.
*
* @feature: Feature to check for. This should always be a constant so the
* compiler can remove the switch statement through optimization.
*
* Returns Non zero if the feature exists. Zero if the feature does not
* exist.
*/
static inline int octeon_has_feature(enum octeon_feature feature)
{
switch (feature) {
case OCTEON_FEATURE_SAAD:
return !OCTEON_IS_MODEL(OCTEON_CN3XXX);
case OCTEON_FEATURE_ZIP:
if (OCTEON_IS_MODEL(OCTEON_CN30XX)
|| OCTEON_IS_MODEL(OCTEON_CN50XX)
|| OCTEON_IS_MODEL(OCTEON_CN52XX))
return 0;
else if (OCTEON_IS_MODEL(OCTEON_CN38XX_PASS1))
return 1;
else
return !cvmx_fuse_read(121);
case OCTEON_FEATURE_CRYPTO:
return !cvmx_fuse_read(90);
case OCTEON_FEATURE_PCIE:
case OCTEON_FEATURE_MGMT_PORT:
case OCTEON_FEATURE_RAID:
return OCTEON_IS_MODEL(OCTEON_CN56XX)
|| OCTEON_IS_MODEL(OCTEON_CN52XX);
case OCTEON_FEATURE_KEY_MEMORY:
case OCTEON_FEATURE_LED_CONTROLLER:
return OCTEON_IS_MODEL(OCTEON_CN38XX)
|| OCTEON_IS_MODEL(OCTEON_CN58XX)
|| OCTEON_IS_MODEL(OCTEON_CN56XX);
case OCTEON_FEATURE_TRA:
return !(OCTEON_IS_MODEL(OCTEON_CN30XX)
|| OCTEON_IS_MODEL(OCTEON_CN50XX));
case OCTEON_FEATURE_USB:
return !(OCTEON_IS_MODEL(OCTEON_CN38XX)
|| OCTEON_IS_MODEL(OCTEON_CN58XX));
case OCTEON_FEATURE_NO_WPTR:
return (OCTEON_IS_MODEL(OCTEON_CN56XX)
|| OCTEON_IS_MODEL(OCTEON_CN52XX))
&& !OCTEON_IS_MODEL(OCTEON_CN56XX_PASS1_X)
&& !OCTEON_IS_MODEL(OCTEON_CN52XX_PASS1_X);
case OCTEON_FEATURE_DFA:
if (!OCTEON_IS_MODEL(OCTEON_CN38XX)
&& !OCTEON_IS_MODEL(OCTEON_CN31XX)
&& !OCTEON_IS_MODEL(OCTEON_CN58XX))
return 0;
else if (OCTEON_IS_MODEL(OCTEON_CN3020))
return 0;
else if (OCTEON_IS_MODEL(OCTEON_CN38XX_PASS1))
return 1;
else
return !cvmx_fuse_read(120);
case OCTEON_FEATURE_MDIO_CLAUSE_45:
return !(OCTEON_IS_MODEL(OCTEON_CN3XXX)
|| OCTEON_IS_MODEL(OCTEON_CN58XX)
|| OCTEON_IS_MODEL(OCTEON_CN50XX));
}
return 0;
}
#endif /* __OCTEON_FEATURE_H__ */
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