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-rw-r--r--drivers/staging/octeon/cvmx-helper-fpa.c243
1 files changed, 0 insertions, 243 deletions
diff --git a/drivers/staging/octeon/cvmx-helper-fpa.c b/drivers/staging/octeon/cvmx-helper-fpa.c
deleted file mode 100644
index c239e5f4ab9..00000000000
--- a/drivers/staging/octeon/cvmx-helper-fpa.c
+++ /dev/null
@@ -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);
-}
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