octeon_pkovar.h revision 1.3
1 /* $NetBSD: octeon_pkovar.h,v 1.3 2020/05/31 06:27:06 simonb Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Internet Initiative Japan, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 /* 30 * PKO Registers 31 */ 32 33 #ifndef _OCTEON_PKOVAR_H_ 34 #define _OCTEON_PKOVAR_H_ 35 36 #include <mips/cavium/dev/octeon_fauvar.h> 37 #include <mips/cavium/dev/octeon_pkoreg.h> 38 39 #define FAU_OP_SIZE_8 0 40 #define FAU_OP_SIZE_16 1 41 #define FAU_OP_SIZE_32 2 42 #define FAU_OP_SIZE_64 3 43 44 #define PKO_OUTPUT_PORTS_NUM 5 45 #define PKO_OUTPUT_PORTS_PKTIF_NUM 3 46 #define PKO_OUTPUT_PORTS_PCIIF_NUM 2 47 #define PKO_MEM_QUEUE_PTRS_ILLEGAL_PID 63 48 49 /* XXX */ 50 struct octpko_cmdptr_desc { 51 uint64_t cmdptr; 52 uint64_t cmdptr_idx; 53 }; 54 55 /* XXX */ 56 struct octpko_softc { 57 int sc_port; 58 bus_space_tag_t sc_regt; 59 bus_space_handle_t sc_regh; 60 struct octpko_cmdptr_desc 61 *sc_cmdptr; 62 int sc_cmd_buf_pool; 63 size_t sc_cmd_buf_size; 64 65 #ifdef CNMAC_DEBUG 66 struct evcnt sc_ev_pkoerrdbell; 67 struct evcnt sc_ev_pkoerrparity; 68 #endif 69 }; 70 71 /* XXX */ 72 struct octpko_attach_args { 73 int aa_port; 74 bus_space_tag_t aa_regt; 75 struct octpko_cmdptr_desc *aa_cmdptr; 76 int aa_cmd_buf_pool; 77 size_t aa_cmd_buf_size; 78 }; 79 80 /* XXX */ 81 void octpko_init(struct octpko_attach_args *, 82 struct octpko_softc **); 83 int octpko_enable(struct octpko_softc *); 84 int octpko_reset(struct octpko_softc *); 85 void octpko_config(struct octpko_softc *); 86 int octpko_port_enable(struct octpko_softc *, int); 87 int octpko_port_config(struct octpko_softc *); 88 void octpko_int_enable(struct octpko_softc *, int); 89 uint64_t octpko_int_summary(struct octpko_softc *); 90 static __inline uint64_t octpko_cmd_word0(int, int, int, int, int, int, 91 int, int, int, int, int, int, int, int, int, int); 92 static __inline uint64_t octpko_cmd_word1(int, int, int, int, paddr_t); 93 94 95 static __inline uint64_t 96 octpko_cmd_word0(int sz1, int sz0, int s1, int reg1, int s0, int reg0, 97 int le, int n2, int q, int r, int g, int ipoffp1, int ii, int df, int segs, 98 int totalbytes) 99 { 100 uint64_t cmd = 0; 101 102 SET(cmd, (((uint64_t)sz1 << 62) & PKO_CMD_WORD0_SZ1) 103 | (((uint64_t)sz0 << 60) & PKO_CMD_WORD0_SZ0) 104 | (((uint64_t)s1 << 59) & PKO_CMD_WORD0_S1) 105 | (((uint64_t)reg1 << 48) & PKO_CMD_WORD0_REG1) 106 | (((uint64_t)s0 << 47) & PKO_CMD_WORD0_S0) 107 | (((uint64_t)reg0 << 36) & PKO_CMD_WORD0_REG0) 108 | (((uint64_t)le << 35) & PKO_CMD_WORD0_LE) 109 | (((uint64_t)n2 << 34) & PKO_CMD_WORD0_N2) 110 | (((uint64_t)q << 33) & PKO_CMD_WORD0_Q) 111 | (((uint64_t)r << 32) & PKO_CMD_WORD0_R) 112 | (((uint64_t)g << 31) & PKO_CMD_WORD0_G) 113 | (((uint64_t)ipoffp1 << 24) & PKO_CMD_WORD0_IPOFFP1) 114 | (((uint64_t)ii << 23) & PKO_CMD_WORD0_II) 115 | (((uint64_t)df << 22) & PKO_CMD_WORD0_DF) 116 | (((uint64_t)segs << 16) & PKO_CMD_WORD0_SEGS) 117 | (((uint64_t)totalbytes << 0) & PKO_CMD_WORD0_TOTALBYTES)); 118 return cmd; 119 } 120 121 static __inline uint64_t 122 octpko_cmd_word1(int i, int back, int pool, int size, paddr_t addr) 123 { 124 uint64_t cmd = 0; 125 126 SET(cmd, (((uint64_t)i << 63) & PKO_CMD_WORD1_I) 127 | (((uint64_t)back << 59) & PKO_CMD_WORD1_BACK) 128 | (((uint64_t)pool << 56) & PKO_CMD_WORD1_POOL) 129 | (((uint64_t)size << 40) & PKO_CMD_WORD1_SIZE) 130 | (((uint64_t)addr << 0) & PKO_CMD_WORD1_ADDR)); 131 return cmd; 132 } 133 134 /* ---- operation primitives */ 135 136 /* Store Operations */ 137 138 static __inline void 139 octpko_op_store(uint64_t args, uint64_t value) 140 { 141 paddr_t addr; 142 143 addr = 144 ((uint64_t)1 << 48) | 145 ((uint64_t)(CN30XXPKO_MAJORDID & 0x1f) << 43) | 146 ((uint64_t)(CN30XXPKO_SUBDID & 0x7) << 40) | 147 ((uint64_t)args); 148 /* XXX */ 149 OCTEON_SYNCW; 150 octeon_write_csr(addr, value); 151 } 152 153 static __inline void 154 octpko_op_doorbell_write(int pid, int qid, int wdc) 155 { 156 uint64_t args, value; 157 158 args = 159 ((uint64_t)(pid & 0x3f) << 12) | 160 ((uint64_t)(qid & 0x1ff) << 3); 161 value = wdc & 0xfffff; 162 octpko_op_store(args, value); 163 } 164 165 #endif 166
Indexes created Fri Sep 26 08:10:20 GMT 2025