sys/dev/netif/sk/if_skvar.h

   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  * $DragonFly: src/sys/dev/netif/sk/if_skvar.h,v 1.3 2007/06/23 09:25:02 sephe Exp $
  70  */
  71
  72 /*
  73  * Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu>
  74  *
  75  * Permission to use, copy, modify, and distribute this software for any
  76  * purpose with or without fee is hereby granted, provided that the above
  77  * copyright notice and this permission notice appear in all copies.
  78  *
  79  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  80  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  81  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  82  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  83  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  84  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  85  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  86  */
  87
  88 #ifndef _IF_SKVAR_H_
  89 #define _IF_SKVAR_H_
  90
  91 struct sk_jpool_entry {
  92         struct sk_if_softc      *sc_if;
  93         int                     inuse;
  94         int                     slot;
  95         void                    *buf;
  96         bus_addr_t              paddr;
  97         SLIST_ENTRY(sk_jpool_entry) entry_next;
  98 };
  99
 100 /*
 101  * Number of DMA segments in a TxCB. Note that this is carefully
 102  * chosen to make the total struct size an even power of two. It's
 103  * critical that no TxCB be split across a page boundary since
 104  * no attempt is made to allocate physically contiguous memory.
 105  */
 106 #define SK_NTXSEG      30
 107
 108 struct sk_chain_data {
 109         struct mbuf             *sk_tx_mbuf[SK_TX_RING_CNT];
 110         bus_dma_tag_t           sk_tx_dtag;
 111         bus_dmamap_t            sk_tx_dmap[SK_TX_RING_CNT];
 112         int                     sk_tx_prod;
 113         int                     sk_tx_cons;
 114         int                     sk_tx_cnt;
 115
 116         struct mbuf             *sk_rx_mbuf[SK_RX_RING_CNT];
 117         bus_dma_tag_t           sk_rx_dtag;
 118         bus_dmamap_t            sk_rx_dmap[SK_RX_RING_CNT];
 119         bus_dmamap_t            sk_rx_dmap_tmp;
 120         int                     sk_rx_prod;
 121         int                     sk_rx_cons;
 122         int                     sk_rx_cnt;
 123
 124         struct lwkt_serialize   sk_jpool_serializer;
 125         bus_dma_tag_t           sk_jpool_dtag;
 126         bus_dmamap_t            sk_jpool_dmap;
 127         void                    *sk_jpool;
 128         struct sk_jpool_entry   sk_jpool_ent[SK_JSLOTS];
 129         SLIST_HEAD(, sk_jpool_entry) sk_jpool_free_ent;
 130 };
 131
 132 struct sk_ring_data {
 133         struct sk_tx_desc       sk_tx_ring[SK_TX_RING_CNT];
 134         struct sk_rx_desc       sk_rx_ring[SK_RX_RING_CNT];
 135 };
 136
 137 #define SK_TX_RING_ADDR(sc, i)  \
 138     ((sc)->sk_rdata_paddr + offsetof(struct sk_ring_data, sk_tx_ring[(i)]))
 139
 140 #define SK_RX_RING_ADDR(sc, i)  \
 141     ((sc)->sk_rdata_paddr + offsetof(struct sk_ring_data, sk_rx_ring[(i)]))
 142
 143 struct sk_bcom_hack {
 144         int                     reg;
 145         int                     val;
 146 };
 147
 148 #define SK_INC(x, y)    (x) = (x + 1) % y
 149
 150 /* Forward decl. */
 151 struct sk_if_softc;
 152
 153 /* Softc for the GEnesis controller. */
 154 struct sk_softc {
 155         int                     sk_res_rid;
 156         struct resource         *sk_res;
 157         bus_space_handle_t      sk_bhandle;     /* bus space handle */
 158         bus_space_tag_t         sk_btag;        /* bus space tag */
 159
 160         int                     sk_irq_rid;
 161         struct resource         *sk_irq;
 162         void                    *sk_intrhand;   /* irq handler handle */
 163
 164         uint8_t                 sk_coppertype;
 165         uint8_t                 sk_pmd;         /* physical media type */
 166         uint8_t                 sk_type;
 167         uint8_t                 sk_rev;
 168         uint8_t                 sk_macs;        /* # of MACs */
 169         uint32_t                sk_rboff;       /* RAMbuffer offset */
 170         uint32_t                sk_ramsize;     /* amount of RAM on NIC */
 171         uint32_t                sk_intrmask;
 172         uint32_t                sk_imtimer_ticks;
 173         int                     sk_imtime;
 174         struct sysctl_ctx_list  sk_sysctl_ctx;
 175         struct sysctl_oid       *sk_sysctl_tree;
 176         struct lwkt_serialize   sk_serializer;
 177         struct sk_if_softc      *sk_if[2];
 178         device_t                sk_devs[2];
 179 };
 180
 181 /* Softc for each logical interface */
 182 struct sk_if_softc {
 183         struct arpcom           arpcom;         /* interface info */
 184         device_t                sk_miibus;
 185         uint8_t                 sk_port;        /* port # on controller */
 186         uint8_t                 sk_xmac_rev;    /* XMAC chip rev (B2 or C1) */
 187         uint32_t                sk_rx_ramstart;
 188         uint32_t                sk_rx_ramend;
 189         uint32_t                sk_tx_ramstart;
 190         uint32_t                sk_tx_ramend;
 191         uint8_t                 sk_phytype;
 192         int                     sk_phyaddr;
 193         int                     sk_cnt;
 194         int                     sk_link;
 195         struct callout          sk_tick_timer;
 196         struct sk_chain_data    sk_cdata;
 197         struct sk_ring_data     *sk_rdata;
 198         bus_dma_tag_t           sk_rdata_dtag;
 199         bus_dmamap_t            sk_rdata_dmap;
 200         bus_addr_t              sk_rdata_paddr;
 201         struct sk_softc         *sk_softc;      /* parent controller */
 202         int                     sk_tx_bmu;      /* TX BMU register */
 203         int                     sk_if_flags;
 204         int                     sk_use_jumbo;
 205 };
 206
 207 struct sk_dma_ctx {
 208         int                     nsegs;
 209         bus_dma_segment_t       *segs;
 210 };
 211
 212 #endif /* !_IF_SKVAR_H_ */