1/* $NetBSD: octeon_pkovar.h,v 1.6 2020/06/23 05:15:33 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 */ 50struct octpko_cmdptr_desc { 51 uint64_t cmdptr; 52 uint64_t cmdptr_idx; 53}; 54 55/* XXX */ 56struct 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 66/* XXX */ 67struct octpko_attach_args { 68 int aa_port; 69 bus_space_tag_t aa_regt; 70 struct octpko_cmdptr_desc *aa_cmdptr; 71 int aa_cmd_buf_pool; 72 size_t aa_cmd_buf_size; 73}; 74 75/* XXX */ 76void octpko_init(struct octpko_attach_args *, 77 struct octpko_softc **); 78int octpko_enable(struct octpko_softc *); 79int octpko_reset(struct octpko_softc *); 80void octpko_config(struct octpko_softc *); 81int octpko_port_enable(struct octpko_softc *, int); 82int octpko_port_config(struct octpko_softc *); 83void octpko_int_enable(struct octpko_softc *, int); 84uint64_t octpko_int_summary(struct octpko_softc *); 85static __inline uint64_t octpko_cmd_word0(int, int, int, int, int, int, 86 int, int, int, int, int, int, int, int, int, int); 87static __inline uint64_t octpko_cmd_word1(int, int, int, int, paddr_t); 88 89 90static __inline uint64_t 91octpko_cmd_word0(int sz1, int sz0, int s1, int reg1, int s0, int reg0, 92 int le, int n2, int q, int r, int g, int ipoffp1, int ii, int df, int segs, 93 int totalbytes) 94{ 95 uint64_t cmd = 96 __SHIFTIN(sz1, PKO_CMD_WORD0_SZ1) | 97 __SHIFTIN(sz0, PKO_CMD_WORD0_SZ0) | 98 __SHIFTIN(s1, PKO_CMD_WORD0_S1) | 99 __SHIFTIN(reg1, PKO_CMD_WORD0_REG1) | 100 __SHIFTIN(s0, PKO_CMD_WORD0_S0) | 101 __SHIFTIN(reg0, PKO_CMD_WORD0_REG0) | 102 __SHIFTIN(le, PKO_CMD_WORD0_LE) | 103 __SHIFTIN(n2, PKO_CMD_WORD0_N2) | 104 __SHIFTIN(q, PKO_CMD_WORD0_Q) | 105 __SHIFTIN(r, PKO_CMD_WORD0_R) | 106 __SHIFTIN(g, PKO_CMD_WORD0_G) | 107 __SHIFTIN(ipoffp1, PKO_CMD_WORD0_IPOFFP1) | 108 __SHIFTIN(ii, PKO_CMD_WORD0_II) | 109 __SHIFTIN(df, PKO_CMD_WORD0_DF) | 110 __SHIFTIN(segs, PKO_CMD_WORD0_SEGS) | 111 __SHIFTIN(totalbytes, PKO_CMD_WORD0_TOTALBYTES); 112 113 return cmd; 114} 115 116static __inline uint64_t 117octpko_cmd_word1(int i, int back, int pool, int size, paddr_t addr) 118{ 119 uint64_t cmd = 120 __SHIFTIN(i, PKO_CMD_WORD1_I) | 121 __SHIFTIN(back, PKO_CMD_WORD1_BACK) | 122 __SHIFTIN(pool, PKO_CMD_WORD1_POOL) | 123 __SHIFTIN(size, PKO_CMD_WORD1_SIZE) | 124 __SHIFTIN(addr, PKO_CMD_WORD1_ADDR); 125 126 return cmd; 127} 128 129/* ---- operation primitives */ 130 131/* Store Operations */ 132 133static __inline void 134octpko_op_store(uint64_t args, uint64_t value) 135{ 136 paddr_t addr; 137 138 addr = OCTEON_ADDR_IO_DID(PKO_MAJOR_DID, PKO_SUB_DID) | args; 139 /* XXX */ 140 OCTEON_SYNCW; 141 octeon_xkphys_write_8(addr, value); 142} 143 144static __inline void 145octpko_op_doorbell_write(int pid, int qid, int wdc) 146{ 147 uint64_t args, value; 148 149 args = 150 __SHIFTIN(pid, PKO_DOORBELL_WRITE_PID) | 151 __SHIFTIN(qid, PKO_DOORBELL_WRITE_QID); 152 value = __SHIFTIN(wdc, PKO_DOORBELL_WRITE_WDC); 153 octpko_op_store(args, value); 154} 155 156#endif /* _OCTEON_PKOVAR_H_ */ 157