Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/pci/if_skvar.h
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1 /* $NetBSD: if_skvar.h,v 1.3.2.1 2005/01/07 12:16:04 jdc Exp $ */ 2 3 /*- 4 * Copyright (c) 2003 The NetBSD Foundation, 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 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the NetBSD 18 * Foundation, Inc. and its contributors. 19 * 4. Neither the name of The NetBSD Foundation nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 /* $OpenBSD: if_skreg.h,v 1.10 2003/08/12 05:23:06 nate Exp $ */ 36 37 /* 38 * Copyright (c) 1997, 1998, 1999, 2000 39 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 40 * 41 * Redistribution and use in source and binary forms, with or without 42 * modification, are permitted provided that the following conditions 43 * are met: 44 * 1. Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * 2. Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in the 48 * documentation and/or other materials provided with the distribution. 49 * 3. All advertising materials mentioning features or use of this software 50 * must display the following acknowledgement: 51 * This product includes software developed by Bill Paul. 52 * 4. Neither the name of the author nor the names of any co-contributors 53 * may be used to endorse or promote products derived from this software 54 * without specific prior written permission. 55 * 56 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 58 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 59 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 60 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 61 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 62 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 63 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 64 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 65 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 66 * THE POSSIBILITY OF SUCH DAMAGE. 67 * 68 * $FreeBSD: /c/ncvs/src/sys/pci/if_skreg.h,v 1.9 2000/04/22 02:16:37 wpaul 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 _DEV_PCI_IF_SKVAR_H_ 88 #define _DEV_PCI_IF_SKVAR_H_ 89 90 struct sk_jslot { 91 caddr_t sk_buf; 92 int sk_inuse; 93 }; 94 95 struct sk_jpool_entry { 96 int slot; 97 LIST_ENTRY(sk_jpool_entry) jpool_entries; 98 }; 99 100 struct sk_chain { 101 void *sk_desc; 102 struct mbuf *sk_mbuf; 103 struct sk_chain *sk_next; 104 }; 105 106 /* 107 * Number of DMA segments in a TxCB. Note that this is carefully 108 * chosen to make the total struct size an even power of two. It's 109 * critical that no TxCB be split across a page boundary since 110 * no attempt is made to allocate physically contiguous memory. 111 * 112 */ 113 #define SK_NTXSEG 30 114 115 struct sk_txmap_entry { 116 bus_dmamap_t dmamap; 117 SIMPLEQ_ENTRY(sk_txmap_entry) link; 118 }; 119 120 struct sk_chain_data { 121 struct sk_chain sk_tx_chain[SK_TX_RING_CNT]; 122 struct sk_chain sk_rx_chain[SK_RX_RING_CNT]; 123 struct sk_txmap_entry *sk_tx_map[SK_TX_RING_CNT]; 124 bus_dmamap_t sk_rx_map[SK_RX_RING_CNT]; 125 int sk_tx_prod; 126 int sk_tx_cons; 127 int sk_tx_cnt; 128 int sk_rx_prod; 129 int sk_rx_cons; 130 int sk_rx_cnt; 131 /* Stick the jumbo mem management stuff here too. */ 132 struct sk_jslot sk_jslots[SK_JSLOTS]; 133 void *sk_jumbo_buf; 134 135 }; 136 137 struct sk_ring_data { 138 struct sk_tx_desc sk_tx_ring[SK_TX_RING_CNT]; 139 struct sk_rx_desc sk_rx_ring[SK_RX_RING_CNT]; 140 }; 141 142 #define SK_TX_RING_ADDR(sc, i) \ 143 ((sc)->sk_ring_map->dm_segs[0].ds_addr + \ 144 offsetof(struct sk_ring_data, sk_tx_ring[(i)])) 145 146 #define SK_RX_RING_ADDR(sc, i) \ 147 ((sc)->sk_ring_map->dm_segs[0].ds_addr + \ 148 offsetof(struct sk_ring_data, sk_rx_ring[(i)])) 149 150 #define SK_CDOFF(x) offsetof(struct sk_ring_data, x) 151 #define SK_CDTXOFF(x) SK_CDOFF(sk_tx_ring[(x)]) 152 #define SK_CDRXOFF(x) SK_CDOFF(sk_rx_ring[(x)]) 153 154 #define SK_CDTXSYNC(sc, x, n, ops) \ 155 do { \ 156 int __x, __n; \ 157 \ 158 __x = (x); \ 159 __n = (n); \ 160 \ 161 /* If it will wrap around, sync to the end of the ring. */ \ 162 if ((__x + __n) > SK_TX_RING_CNT) { \ 163 bus_dmamap_sync((sc)->sk_softc->sc_dmatag, \ 164 (sc)->sk_ring_map, SK_CDTXOFF(__x), \ 165 sizeof(struct sk_tx_desc) * (SK_TX_RING_CNT - __x),\ 166 (ops)); \ 167 __n -= (SK_TX_RING_CNT - __x); \ 168 __x = 0; \ 169 } \ 170 \ 171 /* Now sync whatever is left. */ \ 172 bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \ 173 SK_CDTXOFF((__x)), sizeof(struct sk_tx_desc) * __n, (ops)); \ 174 } while (/*CONSTCOND*/0) 175 176 #define SK_CDRXSYNC(sc, x, ops) \ 177 do { \ 178 bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \ 179 SK_CDRXOFF((x)), sizeof(struct sk_rx_desc), (ops)); \ 180 } while (/*CONSTCOND*/0) 181 182 struct sk_bcom_hack { 183 int reg; 184 int val; 185 }; 186 187 #define SK_INC(x, y) (x) = (x + 1) % y 188 189 /* Forward decl. */ 190 struct sk_if_softc; 191 192 /* Softc for the GEnesis controller. */ 193 struct sk_softc { 194 struct device sk_dev; /* generic device */ 195 bus_space_handle_t sk_bhandle; /* bus space handle */ 196 bus_space_tag_t sk_btag; /* bus space tag */ 197 void *sk_intrhand; /* irq handler handle */ 198 struct resource *sk_irq; /* IRQ resource handle */ 199 struct resource *sk_res; /* I/O or shared mem handle */ 200 u_int8_t sk_type; 201 u_int8_t sk_rev; 202 char *sk_name; 203 char *sk_vpd_prodname; 204 char *sk_vpd_readonly; 205 u_int32_t sk_rboff; /* RAMbuffer offset */ 206 u_int32_t sk_ramsize; /* amount of RAM on NIC */ 207 u_int32_t sk_pmd; /* physical media type */ 208 u_int32_t sk_intrmask; 209 bus_dma_tag_t sc_dmatag; 210 struct sk_if_softc *sk_if[2]; 211 }; 212 213 /* Softc for each logical interface */ 214 struct sk_if_softc { 215 struct device sk_dev; /* generic device */ 216 struct ethercom sk_ethercom; /* interface info */ 217 struct mii_data sk_mii; 218 u_int8_t sk_enaddr[ETHER_ADDR_LEN]; /* station addr */ 219 u_int8_t sk_port; /* port # on controller */ 220 u_int8_t sk_xmac_rev; /* XMAC chip rev (B2 or C1) */ 221 u_int32_t sk_rx_ramstart; 222 u_int32_t sk_rx_ramend; 223 u_int32_t sk_tx_ramstart; 224 u_int32_t sk_tx_ramend; 225 int sk_phytype; 226 int sk_phyaddr; 227 int sk_cnt; 228 int sk_link; 229 struct callout sk_tick_ch; 230 struct sk_chain_data sk_cdata; 231 struct sk_ring_data *sk_rdata; 232 bus_dmamap_t sk_ring_map; 233 struct sk_softc *sk_softc; /* parent controller */ 234 int sk_tx_bmu; /* TX BMU register */ 235 int sk_if_flags; 236 LIST_HEAD(__sk_jfreehead, sk_jpool_entry) sk_jfree_listhead; 237 LIST_HEAD(__sk_jinusehead, sk_jpool_entry) sk_jinuse_listhead; 238 SIMPLEQ_HEAD(__sk_txmaphead, sk_txmap_entry) sk_txmap_head; 239 }; 240 241 struct skc_attach_args { 242 u_int16_t skc_port; 243 }; 244 245 #endif /* _DEV_PCI_IF_SKVAR_H_ */
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