1 /*- 2 * Copyright (c) 2003 The NetBSD Foundation, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the NetBSD 16 * Foundation, Inc. and its contributors. 17 * 4. Neither the name of The NetBSD Foundation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 /* 35 * Copyright (c) 1997, 1998, 1999, 2000 36 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 1. Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * 2. Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in the 45 * documentation and/or other materials provided with the distribution. 46 * 3. All advertising materials mentioning features or use of this software 47 * must display the following acknowledgement: 48 * This product includes software developed by Bill Paul. 49 * 4. Neither the name of the author nor the names of any co-contributors 50 * may be used to endorse or promote products derived from this software 51 * without specific prior written permission. 52 * 53 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 56 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 57 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 58 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 59 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 60 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 61 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 62 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 63 * THE POSSIBILITY OF SUCH DAMAGE. 64 * 65 * 66 * $FreeBSD: /c/ncvs/src/sys/pci/if_skreg.h,v 1.9 2000/04/22 02:16:37 wpaul Exp $ 67 * $NetBSD: if_skvar.h,v 1.6 2005/05/30 04:35:22 christos Exp $ 68 * $OpenBSD: if_skvar.h,v 1.2 2005/12/22 20:54:47 brad Exp $ 69 */ 70 71 /* 72 * Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu> 73 * 74 * Permission to use, copy, modify, and distribute this software for any 75 * purpose with or without fee is hereby granted, provided that the above 76 * copyright notice and this permission notice appear in all copies. 77 * 78 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 79 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 80 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 81 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 82 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 83 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 84 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 85 */ 86 87 #ifndef _IF_SKVAR_H_ 88 #define _IF_SKVAR_H_ 89 90 struct sk_jpool_entry { 91 struct sk_if_softc *sc_if; 92 int inuse; 93 int slot; 94 void *buf; 95 bus_addr_t paddr; 96 SLIST_ENTRY(sk_jpool_entry) entry_next; 97 }; 98 99 /* 100 * Number of DMA segments in a TxCB. Note that this is carefully 101 * chosen to make the total struct size an even power of two. It's 102 * critical that no TxCB be split across a page boundary since 103 * no attempt is made to allocate physically contiguous memory. 104 */ 105 #define SK_NTXSEG 30 106 107 struct sk_chain_data { 108 bus_dma_tag_t sk_buf_dtag; 109 110 struct mbuf *sk_tx_mbuf[SK_TX_RING_CNT]; 111 bus_dma_tag_t sk_tx_dtag; 112 bus_dmamap_t sk_tx_dmap[SK_TX_RING_CNT]; 113 int sk_tx_prod; 114 int sk_tx_cons; 115 int sk_tx_cnt; 116 117 struct mbuf *sk_rx_mbuf[SK_RX_RING_CNT]; 118 bus_dma_tag_t sk_rx_dtag; 119 bus_dmamap_t sk_rx_dmap[SK_RX_RING_CNT]; 120 bus_dmamap_t sk_rx_dmap_tmp; 121 int sk_rx_prod; 122 int sk_rx_cons; 123 int sk_rx_cnt; 124 125 struct lwkt_serialize sk_jpool_serializer; 126 bus_dma_tag_t sk_jpool_dtag; 127 bus_dmamap_t sk_jpool_dmap; 128 void *sk_jpool; 129 struct sk_jpool_entry sk_jpool_ent[SK_JSLOTS]; 130 SLIST_HEAD(, sk_jpool_entry) sk_jpool_free_ent; 131 }; 132 133 struct sk_ring_data { 134 bus_dma_tag_t sk_ring_dtag; 135 136 bus_dma_tag_t sk_tx_ring_dtag; 137 bus_dmamap_t sk_tx_ring_dmap; 138 bus_addr_t sk_tx_ring_paddr; 139 struct sk_tx_desc *sk_tx_ring; 140 141 bus_dma_tag_t sk_rx_ring_dtag; 142 bus_dmamap_t sk_rx_ring_dmap; 143 bus_addr_t sk_rx_ring_paddr; 144 struct sk_rx_desc *sk_rx_ring; 145 }; 146 147 struct sk_bcom_hack { 148 int reg; 149 int val; 150 }; 151 152 #define SK_INC(x, y) (x) = (x + 1) % y 153 154 /* Forward decl. */ 155 struct sk_if_softc; 156 157 /* Softc for the GEnesis controller. */ 158 struct sk_softc { 159 device_t sk_dev; 160 int sk_res_rid; 161 struct resource *sk_res; 162 bus_space_handle_t sk_bhandle; /* bus space handle */ 163 bus_space_tag_t sk_btag; /* bus space tag */ 164 165 int sk_irq_rid; 166 struct resource *sk_irq; 167 void *sk_intrhand; /* irq handler handle */ 168 169 uint8_t sk_coppertype; 170 uint8_t sk_pmd; /* physical media type */ 171 uint8_t sk_type; 172 uint8_t sk_rev; 173 uint8_t sk_macs; /* # of MACs */ 174 uint32_t sk_rboff; /* RAMbuffer offset */ 175 uint32_t sk_ramsize; /* amount of RAM on NIC */ 176 uint32_t sk_intrmask; 177 uint32_t sk_imtimer_ticks; 178 int sk_imtime; 179 struct lwkt_serialize sk_serializer; 180 struct sk_if_softc *sk_if[2]; 181 device_t sk_devs[2]; 182 }; 183 184 /* Softc for each logical interface */ 185 struct sk_if_softc { 186 struct arpcom arpcom; /* interface info */ 187 device_t sk_miibus; 188 uint8_t sk_port; /* port # on controller */ 189 uint8_t sk_xmac_rev; /* XMAC chip rev (B2 or C1) */ 190 uint32_t sk_rx_ramstart; 191 uint32_t sk_rx_ramend; 192 uint32_t sk_tx_ramstart; 193 uint32_t sk_tx_ramend; 194 uint8_t sk_phytype; 195 int sk_phyaddr; 196 int sk_cnt; 197 int sk_link; 198 struct callout sk_tick_timer; 199 struct sk_chain_data sk_cdata; 200 struct sk_ring_data sk_rdata; 201 bus_dma_tag_t sk_parent_dtag; 202 struct sk_softc *sk_softc; /* parent controller */ 203 int sk_tx_bmu; /* TX BMU register */ 204 int sk_if_flags; 205 int sk_use_jumbo; 206 }; 207 208 #define SK_NDESC_RESERVE 2 209 #define SK_NDESC_SPARE 5 210 211 #define SK_IS_OACTIVE(sc_if) \ 212 ((sc_if)->sk_cdata.sk_tx_cnt + SK_NDESC_RESERVE + SK_NDESC_SPARE > \ 213 SK_TX_RING_CNT) 214 215 #endif /* !_IF_SKVAR_H_ */ 216