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Diffstat (limited to 'arch/mips/cavium-octeon/executive/cvmx-fpa.c')
-rw-r--r-- | arch/mips/cavium-octeon/executive/cvmx-fpa.c | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/arch/mips/cavium-octeon/executive/cvmx-fpa.c b/arch/mips/cavium-octeon/executive/cvmx-fpa.c deleted file mode 100644 index ad44b8bd8057..000000000000 --- a/arch/mips/cavium-octeon/executive/cvmx-fpa.c +++ /dev/null | |||
@@ -1,183 +0,0 @@ | |||
1 | /***********************license start*************** | ||
2 | * Author: Cavium Networks | ||
3 | * | ||
4 | * Contact: support@caviumnetworks.com | ||
5 | * This file is part of the OCTEON SDK | ||
6 | * | ||
7 | * Copyright (c) 2003-2008 Cavium Networks | ||
8 | * | ||
9 | * This file is free software; you can redistribute it and/or modify | ||
10 | * it under the terms of the GNU General Public License, Version 2, as | ||
11 | * published by the Free Software Foundation. | ||
12 | * | ||
13 | * This file is distributed in the hope that it will be useful, but | ||
14 | * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty | ||
15 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or | ||
16 | * NONINFRINGEMENT. See the GNU General Public License for more | ||
17 | * details. | ||
18 | * | ||
19 | * You should have received a copy of the GNU General Public License | ||
20 | * along with this file; if not, write to the Free Software | ||
21 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
22 | * or visit http://www.gnu.org/licenses/. | ||
23 | * | ||
24 | * This file may also be available under a different license from Cavium. | ||
25 | * Contact Cavium Networks for more information | ||
26 | ***********************license end**************************************/ | ||
27 | |||
28 | /** | ||
29 | * @file | ||
30 | * | ||
31 | * Support library for the hardware Free Pool Allocator. | ||
32 | * | ||
33 | * | ||
34 | */ | ||
35 | |||
36 | #include "cvmx-config.h" | ||
37 | #include "cvmx.h" | ||
38 | #include "cvmx-fpa.h" | ||
39 | #include "cvmx-ipd.h" | ||
40 | |||
41 | /** | ||
42 | * Current state of all the pools. Use access functions | ||
43 | * instead of using it directly. | ||
44 | */ | ||
45 | CVMX_SHARED cvmx_fpa_pool_info_t cvmx_fpa_pool_info[CVMX_FPA_NUM_POOLS]; | ||
46 | |||
47 | /** | ||
48 | * Setup a FPA pool to control a new block of memory. The | ||
49 | * buffer pointer must be a physical address. | ||
50 | * | ||
51 | * @pool: Pool to initialize | ||
52 | * 0 <= pool < 8 | ||
53 | * @name: Constant character string to name this pool. | ||
54 | * String is not copied. | ||
55 | * @buffer: Pointer to the block of memory to use. This must be | ||
56 | * accessible by all processors and external hardware. | ||
57 | * @block_size: Size for each block controlled by the FPA | ||
58 | * @num_blocks: Number of blocks | ||
59 | * | ||
60 | * Returns 0 on Success, | ||
61 | * -1 on failure | ||
62 | */ | ||
63 | int cvmx_fpa_setup_pool(uint64_t pool, const char *name, void *buffer, | ||
64 | uint64_t block_size, uint64_t num_blocks) | ||
65 | { | ||
66 | char *ptr; | ||
67 | if (!buffer) { | ||
68 | cvmx_dprintf | ||
69 | ("ERROR: cvmx_fpa_setup_pool: NULL buffer pointer!\n"); | ||
70 | return -1; | ||
71 | } | ||
72 | if (pool >= CVMX_FPA_NUM_POOLS) { | ||
73 | cvmx_dprintf("ERROR: cvmx_fpa_setup_pool: Illegal pool!\n"); | ||
74 | return -1; | ||
75 | } | ||
76 | |||
77 | if (block_size < CVMX_FPA_MIN_BLOCK_SIZE) { | ||
78 | cvmx_dprintf | ||
79 | ("ERROR: cvmx_fpa_setup_pool: Block size too small.\n"); | ||
80 | return -1; | ||
81 | } | ||
82 | |||
83 | if (((unsigned long)buffer & (CVMX_FPA_ALIGNMENT - 1)) != 0) { | ||
84 | cvmx_dprintf | ||
85 | ("ERROR: cvmx_fpa_setup_pool: Buffer not aligned properly.\n"); | ||
86 | return -1; | ||
87 | } | ||
88 | |||
89 | cvmx_fpa_pool_info[pool].name = name; | ||
90 | cvmx_fpa_pool_info[pool].size = block_size; | ||
91 | cvmx_fpa_pool_info[pool].starting_element_count = num_blocks; | ||
92 | cvmx_fpa_pool_info[pool].base = buffer; | ||
93 | |||
94 | ptr = (char *)buffer; | ||
95 | while (num_blocks--) { | ||
96 | cvmx_fpa_free(ptr, pool, 0); | ||
97 | ptr += block_size; | ||
98 | } | ||
99 | return 0; | ||
100 | } | ||
101 | |||
102 | /** | ||
103 | * Shutdown a Memory pool and validate that it had all of | ||
104 | * the buffers originally placed in it. | ||
105 | * | ||
106 | * @pool: Pool to shutdown | ||
107 | * Returns Zero on success | ||
108 | * - Positive is count of missing buffers | ||
109 | * - Negative is too many buffers or corrupted pointers | ||
110 | */ | ||
111 | uint64_t cvmx_fpa_shutdown_pool(uint64_t pool) | ||
112 | { | ||
113 | uint64_t errors = 0; | ||
114 | uint64_t count = 0; | ||
115 | uint64_t base = cvmx_ptr_to_phys(cvmx_fpa_pool_info[pool].base); | ||
116 | uint64_t finish = | ||
117 | base + | ||
118 | cvmx_fpa_pool_info[pool].size * | ||
119 | cvmx_fpa_pool_info[pool].starting_element_count; | ||
120 | void *ptr; | ||
121 | uint64_t address; | ||
122 | |||
123 | count = 0; | ||
124 | do { | ||
125 | ptr = cvmx_fpa_alloc(pool); | ||
126 | if (ptr) | ||
127 | address = cvmx_ptr_to_phys(ptr); | ||
128 | else | ||
129 | address = 0; | ||
130 | if (address) { | ||
131 | if ((address >= base) && (address < finish) && | ||
132 | (((address - | ||
133 | base) % cvmx_fpa_pool_info[pool].size) == 0)) { | ||
134 | count++; | ||
135 | } else { | ||
136 | cvmx_dprintf | ||
137 | ("ERROR: cvmx_fpa_shutdown_pool: Illegal address 0x%llx in pool %s(%d)\n", | ||
138 | (unsigned long long)address, | ||
139 | cvmx_fpa_pool_info[pool].name, (int)pool); | ||
140 | errors++; | ||
141 | } | ||
142 | } | ||
143 | } while (address); | ||
144 | |||
145 | #ifdef CVMX_ENABLE_PKO_FUNCTIONS | ||
146 | if (pool == 0) | ||
147 | cvmx_ipd_free_ptr(); | ||
148 | #endif | ||
149 | |||
150 | if (errors) { | ||
151 | cvmx_dprintf | ||
152 | ("ERROR: cvmx_fpa_shutdown_pool: Pool %s(%d) started at 0x%llx, ended at 0x%llx, with a step of 0x%llx\n", | ||
153 | cvmx_fpa_pool_info[pool].name, (int)pool, | ||
154 | (unsigned long long)base, (unsigned long long)finish, | ||
155 | (unsigned long long)cvmx_fpa_pool_info[pool].size); | ||
156 | return -errors; | ||
157 | } else | ||
158 | return 0; | ||
159 | } | ||
160 | |||
161 | uint64_t cvmx_fpa_get_block_size(uint64_t pool) | ||
162 | { | ||
163 | switch (pool) { | ||
164 | case 0: | ||
165 | return CVMX_FPA_POOL_0_SIZE; | ||
166 | case 1: | ||
167 | return CVMX_FPA_POOL_1_SIZE; | ||
168 | case 2: | ||
169 | return CVMX_FPA_POOL_2_SIZE; | ||
170 | case 3: | ||
171 | return CVMX_FPA_POOL_3_SIZE; | ||
172 | case 4: | ||
173 | return CVMX_FPA_POOL_4_SIZE; | ||
174 | case 5: | ||
175 | return CVMX_FPA_POOL_5_SIZE; | ||
176 | case 6: | ||
177 | return CVMX_FPA_POOL_6_SIZE; | ||
178 | case 7: | ||
179 | return CVMX_FPA_POOL_7_SIZE; | ||
180 | default: | ||
181 | return 0; | ||
182 | } | ||
183 | } | ||