diff options
Diffstat (limited to 'sys/contrib/octeon-sdk/cvmx-fpa.c')
| -rw-r--r-- | sys/contrib/octeon-sdk/cvmx-fpa.c | 177 |
1 files changed, 96 insertions, 81 deletions
diff --git a/sys/contrib/octeon-sdk/cvmx-fpa.c b/sys/contrib/octeon-sdk/cvmx-fpa.c index a14e992..22afc79 100644 --- a/sys/contrib/octeon-sdk/cvmx-fpa.c +++ b/sys/contrib/octeon-sdk/cvmx-fpa.c @@ -1,52 +1,49 @@ /***********************license start*************** - * Copyright (c) 2003-2008 Cavium Networks (support@cavium.com). All rights - * reserved. + * Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights + * reserved. * * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials provided - * with the distribution. - * - * * Neither the name of Cavium Networks nor the names of - * its contributors may be used to endorse or promote products - * derived from this software without specific prior written - * permission. - * - * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" - * AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS - * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH - * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY - * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT - * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES - * OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR - * PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET - * POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT - * OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU. - * - * - * For any questions regarding licensing please contact marketing@caviumnetworks.com + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. * + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + + * * Neither the name of Cavium Networks nor the names of + * its contributors may be used to endorse or promote products + * derived from this software without specific prior written + * permission. + + * This Software, including technical data, may be subject to U.S. export control + * laws, including the U.S. Export Administration Act and its associated + * regulations, and may be subject to export or import regulations in other + * countries. + + * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" + * AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR + * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO + * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR + * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM + * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE, + * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF + * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR + * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR + * PERFORMANCE OF THE SOFTWARE LIES WITH YOU. ***********************license end**************************************/ - - - - /** * @file * * Support library for the hardware Free Pool Allocator. * - * <hr>$Revision: 41586 $<hr> + * <hr>$Revision: 49448 $<hr> * */ @@ -84,24 +81,24 @@ int cvmx_fpa_setup_pool(uint64_t pool, const char *name, void *buffer, if (!buffer) { cvmx_dprintf("ERROR: cvmx_fpa_setup_pool: NULL buffer pointer!\n"); - return(-1); + return -1; } if (pool >= CVMX_FPA_NUM_POOLS) { cvmx_dprintf("ERROR: cvmx_fpa_setup_pool: Illegal pool!\n"); - return(-1); + return -1; } if (block_size < CVMX_FPA_MIN_BLOCK_SIZE) { cvmx_dprintf("ERROR: cvmx_fpa_setup_pool: Block size too small.\n"); - return(-1); + 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); + return -1; } cvmx_fpa_pool_info[pool].name = name; @@ -115,78 +112,96 @@ int cvmx_fpa_setup_pool(uint64_t pool, const char *name, void *buffer, cvmx_fpa_free(ptr, pool, 0); ptr += block_size; } - return(0); + return 0; } /** * Shutdown a Memory pool and validate that it had all of - * the buffers originally placed in it. + * the buffers originally placed in it. This should only be + * called by one processor after all hardware has finished + * using the pool. Most like you will want to have called + * cvmx_helper_shutdown_packet_io_global() before this + * function to make sure all FPA buffers are out of the packet + * IO hardware. * * @param pool Pool to shutdown + * * @return 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; + int errors = 0; + int count = 0; + int expected_count = cvmx_fpa_pool_info[pool].starting_element_count; 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; + uint64_t finish = base + cvmx_fpa_pool_info[pool].size * expected_count; count = 0; - do + while (1) { - ptr = cvmx_fpa_alloc(pool); - if (ptr) - address = cvmx_ptr_to_phys(ptr); + uint64_t address; + void *ptr = cvmx_fpa_alloc(pool); + if (!ptr) + break; + + address = cvmx_ptr_to_phys(ptr); + if ((address >= base) && (address < finish) && + (((address - base) % cvmx_fpa_pool_info[pool].size) == 0)) + { + count++; + } 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++; - } + 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 (count < expected_count) + { + cvmx_dprintf("ERROR: cvmx_fpa_shutdown_pool: Pool %s(%d) missing %d buffers\n", + cvmx_fpa_pool_info[pool].name, (int)pool, expected_count - count); + } + else if (count > expected_count) + { + cvmx_dprintf("ERROR: cvmx_fpa_shutdown_pool: Pool %s(%d) had %d duplicate buffers\n", + cvmx_fpa_pool_info[pool].name, (int)pool, count - expected_count); + } 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); + cvmx_dprintf("ERROR: cvmx_fpa_shutdown_pool: Pool %s(%d) started at 0x%llx, ended at 0x%llx, with a step of 0x%x\n", + cvmx_fpa_pool_info[pool].name, (int)pool, (unsigned long long)base, (unsigned long long)finish, (int)cvmx_fpa_pool_info[pool].size); return -errors; } else - return 0; + return expected_count - count; } 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); + 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; } } |
