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MIPS: OCTEON: Remove some unused files. 

These FPA related files are not used anywhere in the kernel.  Remove
them.

Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3892/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
David Daney 2012-07-05 14:49:49 +02:00 committed by Ralf Baechle
parent 28a33cbc24
commit 05b8c8c128
4 changed files with 0 additions and 492 deletions
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183
arch/mips/cavium-octeon/executive/cvmx-fpa.c
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@ -1,183 +0,0 @@
/***********************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
*
* Support library for the hardware Free Pool Allocator.
*
*
*/
#include "cvmx-config.h"
#include "cvmx.h"
#include "cvmx-fpa.h"
#include "cvmx-ipd.h"
/**
* Current state of all the pools. Use access functions
* instead of using it directly.
*/
CVMX_SHARED cvmx_fpa_pool_info_t cvmx_fpa_pool_info[CVMX_FPA_NUM_POOLS];
/**
* Setup a FPA pool to control a new block of memory. The
* buffer pointer must be a physical address.
*
* @pool: Pool to initialize
* 0 <= pool < 8
* @name: Constant character string to name this pool.
* String is not copied.
* @buffer: Pointer to the block of memory to use. This must be
* accessible by all processors and external hardware.
* @block_size: Size for each block controlled by the FPA
* @num_blocks: Number of blocks
*
* Returns 0 on Success,
* -1 on failure
*/
int cvmx_fpa_setup_pool(uint64_t pool, const char *name, void *buffer,
uint64_t block_size, uint64_t num_blocks)
{
char *ptr;
if (!buffer) {
cvmx_dprintf
("ERROR: cvmx_fpa_setup_pool: NULL buffer pointer!\n");
return -1;
}
if (pool >= CVMX_FPA_NUM_POOLS) {
cvmx_dprintf("ERROR: cvmx_fpa_setup_pool: Illegal pool!\n");
return -1;
}
if (block_size < CVMX_FPA_MIN_BLOCK_SIZE) {
cvmx_dprintf
("ERROR: cvmx_fpa_setup_pool: Block size too small.\n");
return -1;
}
if (((unsigned long)buffer & (CVMX_FPA_ALIGNMENT - 1)) != 0) {
cvmx_dprintf
("ERROR: cvmx_fpa_setup_pool: Buffer not aligned properly.\n");
return -1;
}
cvmx_fpa_pool_info[pool].name = name;
cvmx_fpa_pool_info[pool].size = block_size;
cvmx_fpa_pool_info[pool].starting_element_count = num_blocks;
cvmx_fpa_pool_info[pool].base = buffer;
ptr = (char *)buffer;
while (num_blocks--) {
cvmx_fpa_free(ptr, pool, 0);
ptr += block_size;
}
return 0;
}
/**
* Shutdown a Memory pool and validate that it had all of
* the buffers originally placed in it.
*
* @pool: Pool to shutdown
* Returns Zero on success
* - Positive is count of missing buffers
* - Negative is too many buffers or corrupted pointers
*/
uint64_t cvmx_fpa_shutdown_pool(uint64_t pool)
{
uint64_t errors = 0;
uint64_t count = 0;
uint64_t base = cvmx_ptr_to_phys(cvmx_fpa_pool_info[pool].base);
uint64_t finish =
base +
cvmx_fpa_pool_info[pool].size *
cvmx_fpa_pool_info[pool].starting_element_count;
void *ptr;
uint64_t address;
count = 0;
do {
ptr = cvmx_fpa_alloc(pool);
if (ptr)
address = cvmx_ptr_to_phys(ptr);
else
address = 0;
if (address) {
if ((address >= base) && (address < finish) &&
(((address -
base) % cvmx_fpa_pool_info[pool].size) == 0)) {
count++;
} else {
cvmx_dprintf
("ERROR: cvmx_fpa_shutdown_pool: Illegal address 0x%llx in pool %s(%d)\n",
(unsigned long long)address,
cvmx_fpa_pool_info[pool].name, (int)pool);
errors++;
}
}
} while (address);
#ifdef CVMX_ENABLE_PKO_FUNCTIONS
if (pool == 0)
cvmx_ipd_free_ptr();
#endif
if (errors) {
cvmx_dprintf
("ERROR: cvmx_fpa_shutdown_pool: Pool %s(%d) started at 0x%llx, ended at 0x%llx, with a step of 0x%llx\n",
cvmx_fpa_pool_info[pool].name, (int)pool,
(unsigned long long)base, (unsigned long long)finish,
(unsigned long long)cvmx_fpa_pool_info[pool].size);
return -errors;
} else
return 0;
}
uint64_t cvmx_fpa_get_block_size(uint64_t pool)
{
switch (pool) {
case 0:
return CVMX_FPA_POOL_0_SIZE;
case 1:
return CVMX_FPA_POOL_1_SIZE;
case 2:
return CVMX_FPA_POOL_2_SIZE;
case 3:
return CVMX_FPA_POOL_3_SIZE;
case 4:
return CVMX_FPA_POOL_4_SIZE;
case 5:
return CVMX_FPA_POOL_5_SIZE;
case 6:
return CVMX_FPA_POOL_6_SIZE;
case 7:
return CVMX_FPA_POOL_7_SIZE;
default:
return 0;
}
}

243
arch/mips/cavium-octeon/executive/cvmx-helper-fpa.c
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@ -1,243 +0,0 @@
/***********************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
*
* Helper functions for FPA setup.
*
*/
#include "executive-config.h"
#include "cvmx-config.h"
#include "cvmx.h"
#include "cvmx-bootmem.h"
#include "cvmx-fpa.h"
#include "cvmx-helper-fpa.h"
/**
* Allocate memory for and initialize a single FPA pool.
*
* @pool: Pool to initialize
* @buffer_size: Size of buffers to allocate in bytes
* @buffers: Number of buffers to put in the pool. Zero is allowed
* @name: String name of the pool for debugging purposes
* Returns Zero on success, non-zero on failure
*/
static int __cvmx_helper_initialize_fpa_pool(int pool, uint64_t buffer_size,
uint64_t buffers, const char *name)
{
uint64_t current_num;
void *memory;
uint64_t align = CVMX_CACHE_LINE_SIZE;
/*
* Align the allocation so that power of 2 size buffers are
* naturally aligned.
*/
while (align < buffer_size)
align = align << 1;
if (buffers == 0)
return 0;
current_num = cvmx_read_csr(CVMX_FPA_QUEX_AVAILABLE(pool));
if (current_num) {
cvmx_dprintf("Fpa pool %d(%s) already has %llu buffers. "
"Skipping setup.\n",
pool, name, (unsigned long long)current_num);
return 0;
}
memory = cvmx_bootmem_alloc(buffer_size * buffers, align);
if (memory == NULL) {
cvmx_dprintf("Out of memory initializing fpa pool %d(%s).\n",
pool, name);
return -1;
}
cvmx_fpa_setup_pool(pool, name, memory, buffer_size, buffers);
return 0;
}
/**
* Allocate memory and initialize the FPA pools using memory
* from cvmx-bootmem. Specifying zero for the number of
* buffers will cause that FPA pool to not be setup. This is
* useful if you aren't using some of the hardware and want
* to save memory. Use cvmx_helper_initialize_fpa instead of
* this function directly.
*
* @pip_pool: Should always be CVMX_FPA_PACKET_POOL
* @pip_size: Should always be CVMX_FPA_PACKET_POOL_SIZE
* @pip_buffers:
* Number of packet buffers.
* @wqe_pool: Should always be CVMX_FPA_WQE_POOL
* @wqe_size: Should always be CVMX_FPA_WQE_POOL_SIZE
* @wqe_entries:
* Number of work queue entries
* @pko_pool: Should always be CVMX_FPA_OUTPUT_BUFFER_POOL
* @pko_size: Should always be CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE
* @pko_buffers:
* PKO Command buffers. You should at minimum have two per
* each PKO queue.
* @tim_pool: Should always be CVMX_FPA_TIMER_POOL
* @tim_size: Should always be CVMX_FPA_TIMER_POOL_SIZE
* @tim_buffers:
* TIM ring buffer command queues. At least two per timer bucket
* is recommened.
* @dfa_pool: Should always be CVMX_FPA_DFA_POOL
* @dfa_size: Should always be CVMX_FPA_DFA_POOL_SIZE
* @dfa_buffers:
* DFA command buffer. A relatively small (32 for example)
* number should work.
* Returns Zero on success, non-zero if out of memory
*/
static int __cvmx_helper_initialize_fpa(int pip_pool, int pip_size,
int pip_buffers, int wqe_pool,
int wqe_size, int wqe_entries,
int pko_pool, int pko_size,
int pko_buffers, int tim_pool,
int tim_size, int tim_buffers,
int dfa_pool, int dfa_size,
int dfa_buffers)
{
int status;
cvmx_fpa_enable();
if ((pip_buffers > 0) && (pip_buffers <= 64))
cvmx_dprintf
("Warning: %d packet buffers may not be enough for hardware"
" prefetch. 65 or more is recommended.\n", pip_buffers);
if (pip_pool >= 0) {
status =
__cvmx_helper_initialize_fpa_pool(pip_pool, pip_size,
pip_buffers,
"Packet Buffers");
if (status)
return status;
}
if (wqe_pool >= 0) {
status =
__cvmx_helper_initialize_fpa_pool(wqe_pool, wqe_size,
wqe_entries,
"Work Queue Entries");
if (status)
return status;
}
if (pko_pool >= 0) {
status =
__cvmx_helper_initialize_fpa_pool(pko_pool, pko_size,
pko_buffers,
"PKO Command Buffers");
if (status)
return status;
}
if (tim_pool >= 0) {
status =
__cvmx_helper_initialize_fpa_pool(tim_pool, tim_size,
tim_buffers,
"TIM Command Buffers");
if (status)
return status;
}
if (dfa_pool >= 0) {
status =
__cvmx_helper_initialize_fpa_pool(dfa_pool, dfa_size,
dfa_buffers,
"DFA Command Buffers");
if (status)
return status;
}
return 0;
}
/**
* Allocate memory and initialize the FPA pools using memory
* from cvmx-bootmem. Sizes of each element in the pools is
* controlled by the cvmx-config.h header file. Specifying
* zero for any parameter will cause that FPA pool to not be
* setup. This is useful if you aren't using some of the
* hardware and want to save memory.
*
* @packet_buffers:
* Number of packet buffers to allocate
* @work_queue_entries:
* Number of work queue entries
* @pko_buffers:
* PKO Command buffers. You should at minimum have two per
* each PKO queue.
* @tim_buffers:
* TIM ring buffer command queues. At least two per timer bucket
* is recommened.
* @dfa_buffers:
* DFA command buffer. A relatively small (32 for example)
* number should work.
* Returns Zero on success, non-zero if out of memory
*/
int cvmx_helper_initialize_fpa(int packet_buffers, int work_queue_entries,
int pko_buffers, int tim_buffers,
int dfa_buffers)
{
#ifndef CVMX_FPA_PACKET_POOL
#define CVMX_FPA_PACKET_POOL -1
#define CVMX_FPA_PACKET_POOL_SIZE 0
#endif
#ifndef CVMX_FPA_WQE_POOL
#define CVMX_FPA_WQE_POOL -1
#define CVMX_FPA_WQE_POOL_SIZE 0
#endif
#ifndef CVMX_FPA_OUTPUT_BUFFER_POOL
#define CVMX_FPA_OUTPUT_BUFFER_POOL -1
#define CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE 0
#endif
#ifndef CVMX_FPA_TIMER_POOL
#define CVMX_FPA_TIMER_POOL -1
#define CVMX_FPA_TIMER_POOL_SIZE 0
#endif
#ifndef CVMX_FPA_DFA_POOL
#define CVMX_FPA_DFA_POOL -1
#define CVMX_FPA_DFA_POOL_SIZE 0
#endif
return __cvmx_helper_initialize_fpa(CVMX_FPA_PACKET_POOL,
CVMX_FPA_PACKET_POOL_SIZE,
packet_buffers, CVMX_FPA_WQE_POOL,
CVMX_FPA_WQE_POOL_SIZE,
work_queue_entries,
CVMX_FPA_OUTPUT_BUFFER_POOL,
CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE,
pko_buffers, CVMX_FPA_TIMER_POOL,
CVMX_FPA_TIMER_POOL_SIZE,
tim_buffers, CVMX_FPA_DFA_POOL,
CVMX_FPA_DFA_POOL_SIZE,
dfa_buffers);
}

64
arch/mips/include/asm/octeon/cvmx-helper-fpa.h
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@ -1,64 +0,0 @@
/***********************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
*
* Helper functions for FPA setup.
*
*/
#ifndef __CVMX_HELPER_H_FPA__
#define __CVMX_HELPER_H_FPA__
/**
* Allocate memory and initialize the FPA pools using memory
* from cvmx-bootmem. Sizes of each element in the pools is
* controlled by the cvmx-config.h header file. Specifying
* zero for any parameter will cause that FPA pool to not be
* setup. This is useful if you aren't using some of the
* hardware and want to save memory.
*
* @packet_buffers:
* Number of packet buffers to allocate
* @work_queue_entries:
* Number of work queue entries
* @pko_buffers:
* PKO Command buffers. You should at minimum have two per
* each PKO queue.
* @tim_buffers:
* TIM ring buffer command queues. At least two per timer bucket
* is recommened.
* @dfa_buffers:
* DFA command buffer. A relatively small (32 for example)
* number should work.
* Returns Zero on success, non-zero if out of memory
*/
extern int cvmx_helper_initialize_fpa(int packet_buffers,
int work_queue_entries, int pko_buffers,
int tim_buffers, int dfa_buffers);
#endif /* __CVMX_HELPER_H__ */

2
arch/mips/include/asm/octeon/cvmx-helper.h
View File

@ -61,8 +61,6 @@ typedef union {
} s;
} cvmx_helper_link_info_t;
#include "cvmx-helper-fpa.h"
#include <asm/octeon/cvmx-helper-errata.h>
#include "cvmx-helper-loop.h"
#include "cvmx-helper-npi.h"