octeon_fpavar.h revision 1.1.2.2
1 1.1.2.2 skrll /* $NetBSD: octeon_fpavar.h,v 1.1.2.2 2015/06/06 14:40:01 skrll Exp $ */ 2 1.1.2.2 skrll 3 1.1.2.2 skrll /* 4 1.1.2.2 skrll * Copyright (c) 2007 Internet Initiative Japan, Inc. 5 1.1.2.2 skrll * All rights reserved. 6 1.1.2.2 skrll * 7 1.1.2.2 skrll * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 skrll * modification, are permitted provided that the following conditions 9 1.1.2.2 skrll * are met: 10 1.1.2.2 skrll * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 skrll * documentation and/or other materials provided with the distribution. 15 1.1.2.2 skrll * 16 1.1.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17 1.1.2.2 skrll * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 1.1.2.2 skrll * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 1.1.2.2 skrll * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20 1.1.2.2 skrll * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 1.1.2.2 skrll * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 1.1.2.2 skrll * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.1.2.2 skrll * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 1.1.2.2 skrll * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.1.2.2 skrll * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.1.2.2 skrll * SUCH DAMAGE. 27 1.1.2.2 skrll */ 28 1.1.2.2 skrll 29 1.1.2.2 skrll #ifndef _OCTEON_FPAVAR_H_ 30 1.1.2.2 skrll #define _OCTEON_FPAVAR_H_ 31 1.1.2.2 skrll 32 1.1.2.2 skrll struct octeon_fpa_buf { 33 1.1.2.2 skrll int fb_poolno; /* pool # */ 34 1.1.2.2 skrll 35 1.1.2.2 skrll size_t fb_size; /* element size */ 36 1.1.2.2 skrll size_t fb_nelems; /* # of elements */ 37 1.1.2.2 skrll 38 1.1.2.2 skrll paddr_t fb_paddr; /* physical address */ 39 1.1.2.2 skrll vaddr_t fb_addr; /* virtual address */ 40 1.1.2.2 skrll size_t fb_len; /* total length */ 41 1.1.2.2 skrll 42 1.1.2.2 skrll bus_dma_tag_t fb_dmat; 43 1.1.2.2 skrll bus_dmamap_t fb_dmah; 44 1.1.2.2 skrll bus_dma_segment_t 45 1.1.2.2 skrll *fb_dma_segs; 46 1.1.2.2 skrll int fb_dma_nsegs; 47 1.1.2.2 skrll }; 48 1.1.2.2 skrll 49 1.1.2.2 skrll uint64_t octeon_fpa_int_summary(void); 50 1.1.2.2 skrll int octeon_fpa_buf_init(int, size_t, size_t, struct octeon_fpa_buf **); 51 1.1.2.2 skrll void *octeon_fpa_buf_get(struct octeon_fpa_buf *); 52 1.1.2.2 skrll uint64_t octeon_fpa_query(int); 53 1.1.2.2 skrll int octeon_fpa_available_fpa_pool(int *available, int pool_no); 54 1.1.2.2 skrll 55 1.1.2.2 skrll #ifdef OCTEON_ETH_DEBUG 56 1.1.2.2 skrll void octeon_fpa_dump(void); 57 1.1.2.2 skrll #endif 58 1.1.2.2 skrll 59 1.1.2.2 skrll #define OCTEON_CACHE_LINE_SIZE (128) 60 1.1.2.2 skrll 61 1.1.2.2 skrll /* Pool sizes in bytes, must be multiple of a cache line */ 62 1.1.2.2 skrll #define FPA_POOL_0_SIZE (16 * OCTEON_CACHE_LINE_SIZE) 63 1.1.2.2 skrll #define FPA_POOL_1_SIZE (1 * OCTEON_CACHE_LINE_SIZE) 64 1.1.2.2 skrll #define FPA_POOL_2_SIZE (8 * OCTEON_CACHE_LINE_SIZE) 65 1.1.2.2 skrll #define FPA_POOL_3_SIZE (4 * OCTEON_CACHE_LINE_SIZE) 66 1.1.2.2 skrll 67 1.1.2.2 skrll #define FPA_POOL_4_SIZE (16 * OCTEON_CACHE_LINE_SIZE) 68 1.1.2.2 skrll #define FPA_POOL_5_SIZE (16 * OCTEON_CACHE_LINE_SIZE) 69 1.1.2.2 skrll #define FPA_POOL_6_SIZE (16 * OCTEON_CACHE_LINE_SIZE) 70 1.1.2.2 skrll #define FPA_POOL_7_SIZE (16 * OCTEON_CACHE_LINE_SIZE) 71 1.1.2.2 skrll 72 1.1.2.2 skrll /* Pools in use */ 73 1.1.2.2 skrll #define FPA_RECV_PKT_POOL (0) /* Recieve Packet buffers */ 74 1.1.2.2 skrll #define FPA_RECV_PKT_POOL_SIZE FPA_POOL_0_SIZE 75 1.1.2.2 skrll #define FPA_RECV_PKT_POOL_LINE 16 76 1.1.2.2 skrll #define FPA_WQE_POOL (1) /* Work queue entrys */ 77 1.1.2.2 skrll #define FPA_WQE_POOL_SIZE FPA_POOL_1_SIZE 78 1.1.2.2 skrll #define FPA_WQE_POOL_LINE 1 79 1.1.2.2 skrll #define FPA_COMMAND_BUFFER_POOL (2) /* PKO queue command buffers */ 80 1.1.2.2 skrll #define FPA_COMMAND_BUFFER_POOL_SIZE FPA_POOL_2_SIZE 81 1.1.2.2 skrll #define FPA_COMMAND_BUFFER_POOL_LINE 8 82 1.1.2.2 skrll #define FPA_GATHER_BUFFER_POOL (3) /* PKO gather list buffers */ 83 1.1.2.2 skrll #define FPA_GATHER_BUFFER_POOL_SIZE FPA_POOL_3_SIZE 84 1.1.2.2 skrll #define FPA_GATHER_BUFFER_POOL_LINE 4 85 1.1.2.2 skrll 86 1.1.2.2 skrll #ifndef FPA_OUTPUT_BUFFER_POOL 87 1.1.2.2 skrll #define FPA_OUTPUT_BUFFER_POOL FPA_COMMAND_BUFFER_POOL 88 1.1.2.2 skrll #define FPA_OUTPUT_BUFFER_POOL_SIZE FPA_COMMAND_BUFFER_POOL_SIZE 89 1.1.2.2 skrll #endif 90 1.1.2.2 skrll 91 1.1.2.2 skrll /* 92 1.1.2.2 skrll * operations 93 1.1.2.2 skrll */ 94 1.1.2.2 skrll 95 1.1.2.2 skrll static inline uint64_t 96 1.1.2.2 skrll octeon_fpa_load(uint64_t fpapool) 97 1.1.2.2 skrll { 98 1.1.2.2 skrll uint64_t addr; 99 1.1.2.2 skrll 100 1.1.2.2 skrll addr = 101 1.1.2.2 skrll (0x1ULL << 48) | 102 1.1.2.2 skrll (0x5ULL << 43) | 103 1.1.2.2 skrll (fpapool & 0x07ULL) << 40; 104 1.1.2.2 skrll 105 1.1.2.2 skrll return octeon_read_csr(addr); 106 1.1.2.2 skrll } 107 1.1.2.2 skrll 108 1.1.2.2 skrll #ifdef notyet 109 1.1.2.2 skrll static inline uint64_t 110 1.1.2.2 skrll octeon_fpa_iobdma(struct octeon_fpa_softc *sc, int srcaddr, int len) 111 1.1.2.2 skrll { 112 1.1.2.2 skrll /* XXX */ 113 1.1.2.2 skrll return 0ULL; 114 1.1.2.2 skrll } 115 1.1.2.2 skrll #endif 116 1.1.2.2 skrll 117 1.1.2.2 skrll static inline void 118 1.1.2.2 skrll octeon_fpa_store(uint64_t addr, uint64_t fpapool, uint64_t dwbcount) 119 1.1.2.2 skrll { 120 1.1.2.2 skrll uint64_t ptr; 121 1.1.2.2 skrll 122 1.1.2.2 skrll ptr = 123 1.1.2.2 skrll (0x1ULL << 48) | 124 1.1.2.2 skrll (0x5ULL << 43) | 125 1.1.2.2 skrll (fpapool & 0x07ULL) << 40 | 126 1.1.2.2 skrll (addr & 0xffffffffffULL); 127 1.1.2.2 skrll 128 1.1.2.2 skrll OCTEON_SYNCWS; 129 1.1.2.2 skrll octeon_write_csr(ptr, (dwbcount & 0x0ffULL)); 130 1.1.2.2 skrll } 131 1.1.2.2 skrll 132 1.1.2.2 skrll static inline paddr_t 133 1.1.2.2 skrll octeon_fpa_buf_get_paddr(struct octeon_fpa_buf *fb) 134 1.1.2.2 skrll { 135 1.1.2.2 skrll return octeon_fpa_load(fb->fb_poolno); 136 1.1.2.2 skrll } 137 1.1.2.2 skrll 138 1.1.2.2 skrll static inline void 139 1.1.2.2 skrll octeon_fpa_buf_put_paddr(struct octeon_fpa_buf *fb, paddr_t paddr) 140 1.1.2.2 skrll { 141 1.1.2.2 skrll KASSERT(paddr >= fb->fb_paddr); 142 1.1.2.2 skrll KASSERT(paddr < fb->fb_paddr + fb->fb_len); 143 1.1.2.2 skrll octeon_fpa_store(paddr, fb->fb_poolno, fb->fb_size / 128); 144 1.1.2.2 skrll } 145 1.1.2.2 skrll 146 1.1.2.2 skrll static inline void 147 1.1.2.2 skrll octeon_fpa_buf_put(struct octeon_fpa_buf *fb, void *addr) 148 1.1.2.2 skrll { 149 1.1.2.2 skrll paddr_t paddr; 150 1.1.2.2 skrll 151 1.1.2.2 skrll KASSERT((vaddr_t)addr >= fb->fb_addr); 152 1.1.2.2 skrll KASSERT((vaddr_t)addr < fb->fb_addr + fb->fb_len); 153 1.1.2.2 skrll paddr = fb->fb_paddr + (paddr_t/* XXX */)((vaddr_t)addr - fb->fb_addr); 154 1.1.2.2 skrll octeon_fpa_buf_put_paddr(fb, paddr); 155 1.1.2.2 skrll } 156 1.1.2.2 skrll 157 1.1.2.2 skrll #endif 158
Indexes created Fri Oct 03 02:09:57 GMT 2025