diff options
Diffstat (limited to 'cvmx-ipd.h')
| -rw-r--r-- | cvmx-ipd.h | 139 |
1 files changed, 70 insertions, 69 deletions
diff --git a/cvmx-ipd.h b/cvmx-ipd.h index 2c3b177bbd18..c6c7bf997833 100644 --- a/cvmx-ipd.h +++ b/cvmx-ipd.h @@ -1,39 +1,40 @@ /***********************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**************************************/ @@ -41,23 +42,30 @@ + /** * @file * * Interface to the hardware Input Packet Data unit. * - * <hr>$Revision: 41586 $<hr> + * <hr>$Revision: 49448 $<hr> */ #ifndef __CVMX_IPD_H__ #define __CVMX_IPD_H__ -#ifndef CVMX_DONT_INCLUDE_CONFIG -#include "executive-config.h" -#ifdef CVMX_ENABLE_PKO_FUNCTIONS -#include "cvmx-config.h" -#endif +#ifdef CVMX_BUILD_FOR_LINUX_KERNEL +#include <asm/octeon/cvmx.h> +#include <asm/octeon/cvmx-config.h> +#include <asm/octeon/cvmx-ipd-defs.h> +#else +# ifndef CVMX_DONT_INCLUDE_CONFIG +# include "executive-config.h" +# ifdef CVMX_ENABLE_PKO_FUNCTIONS +# include "cvmx-config.h" +# endif +# endif #endif #ifdef __cplusplus @@ -68,10 +76,10 @@ extern "C" { #define CVMX_ENABLE_LEN_M8_FIX 0 #endif -/* CSR typedefs have been moved to cvmx-csr-*.h */ +/* CSR typedefs have been moved to cvmx-ipd-defs.h */ -typedef cvmx_ipd_mbuff_first_skip_t cvmx_ipd_mbuff_not_first_skip_t; -typedef cvmx_ipd_first_next_ptr_back_t cvmx_ipd_second_next_ptr_back_t; +typedef cvmx_ipd_1st_mbuff_skip_t cvmx_ipd_mbuff_not_first_skip_t; +typedef cvmx_ipd_1st_next_ptr_back_t cvmx_ipd_second_next_ptr_back_t; /** @@ -89,7 +97,9 @@ typedef cvmx_ipd_first_next_ptr_back_t cvmx_ipd_second_next_ptr_back_t; * FPA pool to get work entries from * @param cache_mode * @param back_pres_enable_flag - * Enable or disable port back pressure + * Enable or disable port back pressure at a global level. + * This should always be 1 as more accurate control can be + * found in IPD_PORTX_BP_PAGE_CNT[BP_ENB]. */ static inline void cvmx_ipd_config(uint64_t mbuff_size, uint64_t first_mbuff_skip, @@ -101,12 +111,12 @@ static inline void cvmx_ipd_config(uint64_t mbuff_size, uint64_t back_pres_enable_flag ) { - cvmx_ipd_mbuff_first_skip_t first_skip; + cvmx_ipd_1st_mbuff_skip_t first_skip; cvmx_ipd_mbuff_not_first_skip_t not_first_skip; - cvmx_ipd_mbuff_size_t size; - cvmx_ipd_first_next_ptr_back_t first_back_struct; + cvmx_ipd_packet_mbuff_size_t size; + cvmx_ipd_1st_next_ptr_back_t first_back_struct; cvmx_ipd_second_next_ptr_back_t second_back_struct; - cvmx_ipd_wqe_fpa_pool_t wqe_pool; + cvmx_ipd_wqe_fpa_queue_t wqe_pool; cvmx_ipd_ctl_status_t ipd_ctl_reg; first_skip.u64 = 0; @@ -154,10 +164,10 @@ static inline void cvmx_ipd_enable(void) { cvmx_dprintf("Warning: Enabling IPD when IPD already enabled.\n"); } - ipd_reg.s.ipd_en = TRUE; + ipd_reg.s.ipd_en = 1; #if CVMX_ENABLE_LEN_M8_FIX if(!OCTEON_IS_MODEL(OCTEON_CN38XX_PASS2)) { - ipd_reg.s.len_m8 = TRUE; + ipd_reg.s.len_m8 = 1; } #endif cvmx_write_csr(CVMX_IPD_CTL_STATUS, ipd_reg.u64); @@ -171,18 +181,25 @@ static inline void cvmx_ipd_disable(void) { cvmx_ipd_ctl_status_t ipd_reg; ipd_reg.u64 = cvmx_read_csr(CVMX_IPD_CTL_STATUS); - ipd_reg.s.ipd_en = FALSE; + ipd_reg.s.ipd_en = 0; cvmx_write_csr(CVMX_IPD_CTL_STATUS, ipd_reg.u64); } #ifdef CVMX_ENABLE_PKO_FUNCTIONS /** - * Supportive function for cvmx_fpa_shutdown_pool. + * @INTERNAL + * This function is called by cvmx_helper_shutdown() to extract + * all FPA buffers out of the IPD and PIP. After this function + * completes, all FPA buffers that were prefetched by IPD and PIP + * wil be in the apropriate FPA pool. This functions does not reset + * PIP or IPD as FPA pool zero must be empty before the reset can + * be performed. WARNING: It is very important that IPD and PIP be + * reset soon after a call to this function. */ -static inline void cvmx_ipd_free_ptr(void) +static inline void __cvmx_ipd_free_ptr(void) { /* Only CN38XXp{1,2} cannot read pointer out of the IPD */ - if (!OCTEON_IS_MODEL(OCTEON_CN38XX_PASS1) && !OCTEON_IS_MODEL(OCTEON_CN38XX_PASS2)) { + if (!OCTEON_IS_MODEL(OCTEON_CN38XX_PASS2)) { int no_wptr = 0; cvmx_ipd_ptr_count_t ipd_ptr_count; ipd_ptr_count.u64 = cvmx_read_csr(CVMX_IPD_PTR_COUNT); @@ -191,7 +208,7 @@ static inline void cvmx_ipd_free_ptr(void) if (octeon_has_feature(OCTEON_FEATURE_NO_WPTR)) { cvmx_ipd_ctl_status_t ipd_ctl_status; ipd_ctl_status.u64 = cvmx_read_csr(CVMX_IPD_CTL_STATUS); - if (ipd_ctl_status.s.no_wptr) + if (ipd_ctl_status.s.no_wptr) no_wptr = 1; } @@ -228,7 +245,7 @@ static inline void cvmx_ipd_free_ptr(void) if (ipd_ptr_count.s.pktv_cnt) { cvmx_ipd_pkt_ptr_valid_t ipd_pkt_ptr_valid; ipd_pkt_ptr_valid.u64 = cvmx_read_csr(CVMX_IPD_PKT_PTR_VALID); - cvmx_fpa_free(cvmx_phys_to_ptr(ipd_pkt_ptr_valid.s.ptr<<7), CVMX_FPA_PACKET_POOL, 0); + cvmx_fpa_free(cvmx_phys_to_ptr((uint64_t)ipd_pkt_ptr_valid.s.ptr<<7), CVMX_FPA_PACKET_POOL, 0); } /* Free the per port prefetched packets */ @@ -282,22 +299,6 @@ static inline void cvmx_ipd_free_ptr(void) ipd_pwp_ptr_fifo_ctl.s.cena = 1; cvmx_write_csr(CVMX_IPD_PWP_PTR_FIFO_CTL, ipd_pwp_ptr_fifo_ctl.u64); } - - /* Reset the IPD to get all buffers out of it */ - { - cvmx_ipd_ctl_status_t ipd_ctl_status; - ipd_ctl_status.u64 = cvmx_read_csr(CVMX_IPD_CTL_STATUS); - ipd_ctl_status.s.reset = 1; - cvmx_write_csr(CVMX_IPD_CTL_STATUS, ipd_ctl_status.u64); - } - - /* Reset the PIP */ - { - cvmx_pip_sft_rst_t pip_sft_rst; - pip_sft_rst.u64 = cvmx_read_csr(CVMX_PIP_SFT_RST); - pip_sft_rst.s.rst = 1; - cvmx_write_csr(CVMX_PIP_SFT_RST, pip_sft_rst.u64); - } } } #endif |