| 1 | /* $NetBSD: if_skvar.h,v 1.18 2015/04/13 16:33:25 riastradh 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 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 17 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 18 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 19 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 20 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 26 | * POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
| 28 | /* $OpenBSD: if_skreg.h,v 1.10 2003/08/12 05:23:06 nate Exp $ */ |
| 29 | |
| 30 | /* |
| 31 | * Copyright (c) 1997, 1998, 1999, 2000 |
| 32 | * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. |
| 33 | * |
| 34 | * Redistribution and use in source and binary forms, with or without |
| 35 | * modification, are permitted provided that the following conditions |
| 36 | * are met: |
| 37 | * 1. Redistributions of source code must retain the above copyright |
| 38 | * notice, this list of conditions and the following disclaimer. |
| 39 | * 2. Redistributions in binary form must reproduce the above copyright |
| 40 | * notice, this list of conditions and the following disclaimer in the |
| 41 | * documentation and/or other materials provided with the distribution. |
| 42 | * 3. All advertising materials mentioning features or use of this software |
| 43 | * must display the following acknowledgement: |
| 44 | * This product includes software developed by Bill Paul. |
| 45 | * 4. Neither the name of the author nor the names of any co-contributors |
| 46 | * may be used to endorse or promote products derived from this software |
| 47 | * without specific prior written permission. |
| 48 | * |
| 49 | * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND |
| 50 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 51 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 52 | * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD |
| 53 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 54 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 55 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 56 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 57 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 58 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| 59 | * THE POSSIBILITY OF SUCH DAMAGE. |
| 60 | * |
| 61 | * $FreeBSD: /c/ncvs/src/sys/pci/if_skreg.h,v 1.9 2000/04/22 02:16:37 wpaul Exp $ |
| 62 | */ |
| 63 | |
| 64 | /* |
| 65 | * Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu> |
| 66 | * |
| 67 | * Permission to use, copy, modify, and distribute this software for any |
| 68 | * purpose with or without fee is hereby granted, provided that the above |
| 69 | * copyright notice and this permission notice appear in all copies. |
| 70 | * |
| 71 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 72 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 73 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 74 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 75 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 76 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 77 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 78 | */ |
| 79 | |
| 80 | #ifndef _DEV_PCI_IF_SKVAR_H_ |
| 81 | #define _DEV_PCI_IF_SKVAR_H_ |
| 82 | |
| 83 | #include <sys/rndsource.h> |
| 84 | |
| 85 | struct sk_jpool_entry { |
| 86 | int slot; |
| 87 | LIST_ENTRY(sk_jpool_entry) jpool_entries; |
| 88 | }; |
| 89 | |
| 90 | struct sk_chain { |
| 91 | void *sk_desc; |
| 92 | struct mbuf *sk_mbuf; |
| 93 | struct sk_chain *sk_next; |
| 94 | }; |
| 95 | |
| 96 | /* |
| 97 | * Number of DMA segments in a TxCB. Note that this is carefully |
| 98 | * chosen to make the total struct size an even power of two. It's |
| 99 | * critical that no TxCB be split across a page boundary since |
| 100 | * no attempt is made to allocate physically contiguous memory. |
| 101 | * |
| 102 | */ |
| 103 | #define SK_NTXSEG 30 |
| 104 | |
| 105 | struct sk_txmap_entry { |
| 106 | bus_dmamap_t dmamap; |
| 107 | SIMPLEQ_ENTRY(sk_txmap_entry) link; |
| 108 | }; |
| 109 | |
| 110 | struct sk_chain_data { |
| 111 | struct sk_chain sk_tx_chain[SK_TX_RING_CNT]; |
| 112 | struct sk_chain sk_rx_chain[SK_RX_RING_CNT]; |
| 113 | struct sk_txmap_entry *sk_tx_map[SK_TX_RING_CNT]; |
| 114 | bus_dmamap_t sk_rx_map[SK_RX_RING_CNT]; |
| 115 | bus_dmamap_t sk_rx_jumbo_map; |
| 116 | int sk_tx_prod; |
| 117 | int sk_tx_cons; |
| 118 | int sk_tx_cnt; |
| 119 | int sk_rx_prod; |
| 120 | int sk_rx_cons; |
| 121 | int sk_rx_cnt; |
| 122 | /* Stick the jumbo mem management stuff here too. */ |
| 123 | void * sk_jslots[SK_JSLOTS]; |
| 124 | void *sk_jumbo_buf; |
| 125 | |
| 126 | }; |
| 127 | |
| 128 | struct sk_ring_data { |
| 129 | struct sk_tx_desc sk_tx_ring[SK_TX_RING_CNT]; |
| 130 | struct sk_rx_desc sk_rx_ring[SK_RX_RING_CNT]; |
| 131 | }; |
| 132 | |
| 133 | #define SK_TX_RING_ADDR(sc, i) \ |
| 134 | ((sc)->sk_ring_map->dm_segs[0].ds_addr + \ |
| 135 | offsetof(struct sk_ring_data, sk_tx_ring[(i)])) |
| 136 | |
| 137 | #define SK_RX_RING_ADDR(sc, i) \ |
| 138 | ((sc)->sk_ring_map->dm_segs[0].ds_addr + \ |
| 139 | offsetof(struct sk_ring_data, sk_rx_ring[(i)])) |
| 140 | |
| 141 | #define SK_CDOFF(x) offsetof(struct sk_ring_data, x) |
| 142 | #define SK_CDTXOFF(x) SK_CDOFF(sk_tx_ring[(x)]) |
| 143 | #define SK_CDRXOFF(x) SK_CDOFF(sk_rx_ring[(x)]) |
| 144 | |
| 145 | #define SK_CDTXSYNC(sc, x, n, ops) \ |
| 146 | do { \ |
| 147 | int __x, __n; \ |
| 148 | \ |
| 149 | __x = (x); \ |
| 150 | __n = (n); \ |
| 151 | \ |
| 152 | /* If it will wrap around, sync to the end of the ring. */ \ |
| 153 | if ((__x + __n) > SK_TX_RING_CNT) { \ |
| 154 | bus_dmamap_sync((sc)->sk_softc->sc_dmatag, \ |
| 155 | (sc)->sk_ring_map, SK_CDTXOFF(__x), \ |
| 156 | sizeof(struct sk_tx_desc) * (SK_TX_RING_CNT - __x),\ |
| 157 | (ops)); \ |
| 158 | __n -= (SK_TX_RING_CNT - __x); \ |
| 159 | __x = 0; \ |
| 160 | } \ |
| 161 | \ |
| 162 | /* Now sync whatever is left. */ \ |
| 163 | bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \ |
| 164 | SK_CDTXOFF((__x)), sizeof(struct sk_tx_desc) * __n, (ops)); \ |
| 165 | } while (/*CONSTCOND*/0) |
| 166 | |
| 167 | #define SK_CDRXSYNC(sc, x, ops) \ |
| 168 | do { \ |
| 169 | bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \ |
| 170 | SK_CDRXOFF((x)), sizeof(struct sk_rx_desc), (ops)); \ |
| 171 | } while (/*CONSTCOND*/0) |
| 172 | |
| 173 | struct sk_bcom_hack { |
| 174 | int reg; |
| 175 | int val; |
| 176 | }; |
| 177 | |
| 178 | #define SK_INC(x, y) (x) = (x + 1) % y |
| 179 | |
| 180 | /* Forward decl. */ |
| 181 | struct sk_if_softc; |
| 182 | |
| 183 | /* Softc for the GEnesis controller. */ |
| 184 | struct sk_softc { |
| 185 | device_t sk_dev; /* generic device */ |
| 186 | bus_space_handle_t sk_bhandle; /* bus space handle */ |
| 187 | bus_space_tag_t sk_btag; /* bus space tag */ |
| 188 | void *sk_intrhand; /* irq handler handle */ |
| 189 | u_int8_t sk_type; |
| 190 | u_int8_t sk_rev; |
| 191 | const char *sk_name; |
| 192 | char *sk_vpd_prodname; |
| 193 | char *sk_vpd_readonly; |
| 194 | u_int32_t sk_rboff; /* RAMbuffer offset */ |
| 195 | u_int32_t sk_ramsize; /* amount of RAM on NIC */ |
| 196 | u_int32_t sk_pmd; /* physical media type */ |
| 197 | u_int32_t sk_intrmask; |
| 198 | struct sysctllog *sk_clog; |
| 199 | int sk_int_mod; |
| 200 | int sk_int_mod_pending; |
| 201 | bus_dma_tag_t sc_dmatag; |
| 202 | struct sk_if_softc *sk_if[2]; |
| 203 | krndsource_t rnd_source; |
| 204 | }; |
| 205 | |
| 206 | /* Softc for each logical interface */ |
| 207 | struct sk_if_softc { |
| 208 | device_t sk_dev; /* generic device */ |
| 209 | struct ethercom sk_ethercom; /* interface info */ |
| 210 | struct mii_data sk_mii; |
| 211 | u_int8_t sk_enaddr[ETHER_ADDR_LEN]; /* station addr */ |
| 212 | u_int8_t sk_port; /* port # on controller */ |
| 213 | u_int8_t sk_xmac_rev; /* XMAC chip rev (B2 or C1) */ |
| 214 | u_int32_t sk_rx_ramstart; |
| 215 | u_int32_t sk_rx_ramend; |
| 216 | u_int32_t sk_tx_ramstart; |
| 217 | u_int32_t sk_tx_ramend; |
| 218 | int sk_phytype; |
| 219 | int sk_phyaddr; |
| 220 | int sk_cnt; |
| 221 | int sk_link; |
| 222 | struct callout sk_tick_ch; |
| 223 | struct sk_chain_data sk_cdata; |
| 224 | struct sk_ring_data *sk_rdata; |
| 225 | bus_dmamap_t sk_ring_map; |
| 226 | struct sk_softc *sk_softc; /* parent controller */ |
| 227 | int sk_tx_bmu; /* TX BMU register */ |
| 228 | int sk_if_flags; |
| 229 | kmutex_t sk_jpool_mtx; |
| 230 | LIST_HEAD(__sk_jfreehead, sk_jpool_entry) sk_jfree_listhead; |
| 231 | LIST_HEAD(__sk_jinusehead, sk_jpool_entry) sk_jinuse_listhead; |
| 232 | SIMPLEQ_HEAD(__sk_txmaphead, sk_txmap_entry) sk_txmap_head; |
| 233 | }; |
| 234 | |
| 235 | struct skc_attach_args { |
| 236 | u_int16_t skc_port; |
| 237 | }; |
| 238 | |
| 239 | #endif /* _DEV_PCI_IF_SKVAR_H_ */ |
| 240 | |