1 /* $OpenBSD: if_skvar.h,v 1.6 2009/10/04 18:32:41 deraadt Exp $ */ 2 /* $NetBSD: if_skvar.h,v 1.6 2005/05/30 04:35:22 christos Exp $ */ 3 4 /*- 5 * Copyright (c) 2003 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 /* $OpenBSD: if_skvar.h,v 1.6 2009/10/04 18:32:41 deraadt Exp $ */ 30 31 /* 32 * Copyright (c) 1997, 1998, 1999, 2000 33 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 34 * 35 * Redistribution and use in source and binary forms, with or without 36 * modification, are permitted provided that the following conditions 37 * are met: 38 * 1. Redistributions of source code must retain the above copyright 39 * notice, this list of conditions and the following disclaimer. 40 * 2. Redistributions in binary form must reproduce the above copyright 41 * notice, this list of conditions and the following disclaimer in the 42 * documentation and/or other materials provided with the distribution. 43 * 3. All advertising materials mentioning features or use of this software 44 * must display the following acknowledgement: 45 * This product includes software developed by Bill Paul. 46 * 4. Neither the name of the author nor the names of any co-contributors 47 * may be used to endorse or promote products derived from this software 48 * without specific prior written permission. 49 * 50 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 51 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 53 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 54 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 55 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 56 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 57 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 58 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 59 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 60 * THE POSSIBILITY OF SUCH DAMAGE. 61 * 62 * $FreeBSD: /c/ncvs/src/sys/pci/if_skreg.h,v 1.9 2000/04/22 02:16:37 wpaul Exp $ 63 */ 64 65 /* 66 * Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu> 67 * 68 * Permission to use, copy, modify, and distribute this software for any 69 * purpose with or without fee is hereby granted, provided that the above 70 * copyright notice and this permission notice appear in all copies. 71 * 72 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 73 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 74 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 75 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 76 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 77 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 78 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 79 */ 80 81 #ifndef _DEV_PCI_IF_SKVAR_H_ 82 #define _DEV_PCI_IF_SKVAR_H_ 83 84 struct sk_jpool_entry { 85 int slot; 86 LIST_ENTRY(sk_jpool_entry) jpool_entries; 87 }; 88 89 struct sk_chain { 90 void *sk_desc; 91 struct mbuf *sk_mbuf; 92 struct sk_chain *sk_next; 93 }; 94 95 /* 96 * Number of DMA segments in a TxCB. Note that this is carefully 97 * chosen to make the total struct size an even power of two. It's 98 * critical that no TxCB be split across a page boundary since 99 * no attempt is made to allocate physically contiguous memory. 100 * 101 */ 102 #define SK_NTXSEG 30 103 104 struct sk_txmap_entry { 105 bus_dmamap_t dmamap; 106 SIMPLEQ_ENTRY(sk_txmap_entry) link; 107 }; 108 109 struct sk_chain_data { 110 struct sk_chain sk_tx_chain[SK_TX_RING_CNT]; 111 struct sk_chain sk_rx_chain[SK_RX_RING_CNT]; 112 struct sk_txmap_entry *sk_tx_map[SK_TX_RING_CNT]; 113 bus_dmamap_t sk_rx_map[SK_RX_RING_CNT]; 114 bus_dmamap_t sk_rx_jumbo_map; 115 int sk_tx_prod; 116 int sk_tx_cons; 117 int sk_tx_cnt; 118 int sk_rx_prod; 119 int sk_rx_cons; 120 int sk_rx_cnt; 121 /* Stick the jumbo mem management stuff here too. */ 122 caddr_t sk_jslots[SK_JSLOTS]; 123 void *sk_jumbo_buf; 124 125 }; 126 127 struct sk_ring_data { 128 struct sk_tx_desc sk_tx_ring[SK_TX_RING_CNT]; 129 struct sk_rx_desc sk_rx_ring[SK_RX_RING_CNT]; 130 }; 131 132 #define SK_TX_RING_ADDR(sc, i) \ 133 ((sc)->sk_ring_map->dm_segs[0].ds_addr + \ 134 offsetof(struct sk_ring_data, sk_tx_ring[(i)])) 135 136 #define SK_RX_RING_ADDR(sc, i) \ 137 ((sc)->sk_ring_map->dm_segs[0].ds_addr + \ 138 offsetof(struct sk_ring_data, sk_rx_ring[(i)])) 139 140 #define SK_CDOFF(x) offsetof(struct sk_ring_data, x) 141 #define SK_CDTXOFF(x) SK_CDOFF(sk_tx_ring[(x)]) 142 #define SK_CDRXOFF(x) SK_CDOFF(sk_rx_ring[(x)]) 143 144 #define SK_CDTXSYNC(sc, x, n, ops) \ 145 do { \ 146 int __x, __n; \ 147 \ 148 __x = (x); \ 149 __n = (n); \ 150 \ 151 /* If it will wrap around, sync to the end of the ring. */ \ 152 if ((__x + __n) > SK_TX_RING_CNT) { \ 153 bus_dmamap_sync((sc)->sk_softc->sc_dmatag, \ 154 (sc)->sk_ring_map, SK_CDTXOFF(__x), \ 155 sizeof(struct sk_tx_desc) * (SK_TX_RING_CNT - __x),\ 156 (ops)); \ 157 __n -= (SK_TX_RING_CNT - __x); \ 158 __x = 0; \ 159 } \ 160 \ 161 /* Now sync whatever is left. */ \ 162 bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \ 163 SK_CDTXOFF((__x)), sizeof(struct sk_tx_desc) * __n, (ops)); \ 164 } while (/*CONSTCOND*/0) 165 166 #define SK_CDRXSYNC(sc, x, ops) \ 167 do { \ 168 bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \ 169 SK_CDRXOFF((x)), sizeof(struct sk_rx_desc), (ops)); \ 170 } while (/*CONSTCOND*/0) 171 172 struct sk_bcom_hack { 173 int reg; 174 int val; 175 }; 176 177 #define SK_INC(x, y) (x) = (x + 1) % y 178 179 /* Forward decl. */ 180 struct sk_if_softc; 181 182 /* Softc for the GEnesis controller. */ 183 struct sk_softc { 184 struct device sk_dev; /* generic device */ 185 bus_space_handle_t sk_bhandle; /* bus space handle */ 186 bus_space_tag_t sk_btag; /* bus space tag */ 187 bus_size_t sk_bsize; /* bus space size */ 188 void *sk_intrhand; /* irq handler handle */ 189 pci_chipset_tag_t sk_pc; 190 u_int8_t sk_coppertype; 191 u_int8_t sk_pmd; /* physical media type */ 192 u_int8_t sk_type; 193 u_int8_t sk_rev; 194 u_int8_t sk_macs; /* # of MACs */ 195 char *sk_name; 196 u_int32_t sk_rboff; /* RAMbuffer offset */ 197 u_int32_t sk_ramsize; /* amount of RAM on NIC */ 198 u_int32_t sk_intrmask; 199 bus_dma_tag_t sc_dmatag; 200 struct sk_if_softc *sk_if[2]; 201 }; 202 203 /* Softc for each logical interface */ 204 struct sk_if_softc { 205 struct device sk_dev; /* generic device */ 206 struct arpcom arpcom; /* interface info */ 207 struct mii_data sk_mii; 208 u_int8_t sk_port; /* port # on controller */ 209 u_int8_t sk_xmac_rev; /* XMAC chip rev (B2 or C1) */ 210 u_int32_t sk_rx_ramstart; 211 u_int32_t sk_rx_ramend; 212 u_int32_t sk_tx_ramstart; 213 u_int32_t sk_tx_ramend; 214 u_int8_t sk_phytype; 215 int sk_phyaddr; 216 int sk_cnt; 217 int sk_link; 218 struct timeout sk_tick_ch; 219 struct sk_chain_data sk_cdata; 220 struct sk_ring_data *sk_rdata; 221 bus_dmamap_t sk_ring_map; 222 bus_dma_segment_t sk_ring_seg; 223 int sk_ring_nseg; 224 struct sk_softc *sk_softc; /* parent controller */ 225 int sk_tx_bmu; /* TX BMU register */ 226 int sk_if_flags; 227 LIST_HEAD(__sk_jfreehead, sk_jpool_entry) sk_jfree_listhead; 228 LIST_HEAD(__sk_jinusehead, sk_jpool_entry) sk_jinuse_listhead; 229 SIMPLEQ_HEAD(__sk_txmaphead, sk_txmap_entry) sk_txmap_head; 230 void *sk_sdhook; 231 }; 232 233 struct skc_attach_args { 234 u_int16_t skc_port; 235 u_int8_t skc_type; 236 u_int8_t skc_rev; 237 }; 238 239 #endif /* _DEV_PCI_IF_SKVAR_H_ */ 240