/* $OpenBSD: if_skvar.h,v 1.10 2017/01/08 18:08:14 visa Exp $ */ /* $NetBSD: if_skvar.h,v 1.6 2005/05/30 04:35:22 christos Exp $ */ /*- * Copyright (c) 2003 The NetBSD Foundation, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* $OpenBSD: if_skvar.h,v 1.10 2017/01/08 18:08:14 visa Exp $ */ /* * Copyright (c) 1997, 1998, 1999, 2000 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Bill Paul. * 4. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD: /c/ncvs/src/sys/pci/if_skreg.h,v 1.9 2000/04/22 02:16:37 wpaul Exp $ */ /* * Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _DEV_PCI_IF_SKVAR_H_ #define _DEV_PCI_IF_SKVAR_H_ struct sk_chain { void *sk_desc; struct mbuf *sk_mbuf; struct sk_chain *sk_next; }; /* * Number of DMA segments in a TxCB. Note that this is carefully * chosen to make the total struct size an even power of two. It's * critical that no TxCB be split across a page boundary since * no attempt is made to allocate physically contiguous memory. * */ #define SK_NTXSEG 30 struct sk_txmap_entry { bus_dmamap_t dmamap; SIMPLEQ_ENTRY(sk_txmap_entry) link; }; struct sk_chain_data { struct sk_chain sk_tx_chain[SK_TX_RING_CNT]; struct sk_chain sk_rx_chain[SK_RX_RING_CNT]; struct sk_txmap_entry *sk_tx_map[SK_TX_RING_CNT]; bus_dmamap_t sk_rx_map[SK_RX_RING_CNT]; int sk_tx_prod; int sk_tx_cons; int sk_tx_cnt; int sk_rx_prod; int sk_rx_cons; struct if_rxring sk_rx_ring; }; struct sk_ring_data { struct sk_tx_desc sk_tx_ring[SK_TX_RING_CNT]; struct sk_rx_desc sk_rx_ring[SK_RX_RING_CNT]; }; #define SK_TX_RING_ADDR(sc, i) \ ((sc)->sk_ring_map->dm_segs[0].ds_addr + \ offsetof(struct sk_ring_data, sk_tx_ring[(i)])) #define SK_RX_RING_ADDR(sc, i) \ ((sc)->sk_ring_map->dm_segs[0].ds_addr + \ offsetof(struct sk_ring_data, sk_rx_ring[(i)])) #define SK_CDOFF(x) offsetof(struct sk_ring_data, x) #define SK_CDTXOFF(x) SK_CDOFF(sk_tx_ring[(x)]) #define SK_CDRXOFF(x) SK_CDOFF(sk_rx_ring[(x)]) #define SK_CDTXSYNC(sc, x, n, ops) \ do { \ int __x, __n; \ \ __x = (x); \ __n = (n); \ \ /* If it will wrap around, sync to the end of the ring. */ \ if ((__x + __n) > SK_TX_RING_CNT) { \ bus_dmamap_sync((sc)->sk_softc->sc_dmatag, \ (sc)->sk_ring_map, SK_CDTXOFF(__x), \ sizeof(struct sk_tx_desc) * (SK_TX_RING_CNT - __x),\ (ops)); \ __n -= (SK_TX_RING_CNT - __x); \ __x = 0; \ } \ \ /* Now sync whatever is left. */ \ bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \ SK_CDTXOFF((__x)), sizeof(struct sk_tx_desc) * __n, (ops)); \ } while (/*CONSTCOND*/0) #define SK_CDRXSYNC(sc, x, ops) \ do { \ bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \ SK_CDRXOFF((x)), sizeof(struct sk_rx_desc), (ops)); \ } while (/*CONSTCOND*/0) struct sk_bcom_hack { int reg; int val; }; #define SK_INC(x, y) (x) = (x + 1) % y /* Forward decl. */ struct sk_if_softc; /* Softc for the GEnesis controller. */ struct sk_softc { struct device sk_dev; /* generic device */ bus_space_handle_t sk_bhandle; /* bus space handle */ bus_space_tag_t sk_btag; /* bus space tag */ bus_size_t sk_bsize; /* bus space size */ void *sk_intrhand; /* irq handler handle */ pci_chipset_tag_t sk_pc; u_int8_t sk_coppertype; u_int8_t sk_pmd; /* physical media type */ u_int8_t sk_type; u_int8_t sk_rev; u_int8_t sk_macs; /* # of MACs */ char *sk_name; u_int32_t sk_rboff; /* RAMbuffer offset */ u_int32_t sk_ramsize; /* amount of RAM on NIC */ u_int32_t sk_intrmask; bus_dma_tag_t sc_dmatag; struct sk_if_softc *sk_if[2]; }; /* Softc for each logical interface */ struct sk_if_softc { struct device sk_dev; /* generic device */ struct arpcom arpcom; /* interface info */ struct mii_data sk_mii; u_int8_t sk_port; /* port # on controller */ u_int8_t sk_xmac_rev; /* XMAC chip rev (B2 or C1) */ u_int32_t sk_rx_ramstart; u_int32_t sk_rx_ramend; u_int32_t sk_tx_ramstart; u_int32_t sk_tx_ramend; u_int8_t sk_phytype; int sk_phyaddr; int sk_cnt; int sk_link; struct timeout sk_tick_ch; struct sk_chain_data sk_cdata; struct sk_ring_data *sk_rdata; bus_dmamap_t sk_ring_map; bus_dma_segment_t sk_ring_seg; int sk_ring_nseg; struct sk_softc *sk_softc; /* parent controller */ int sk_tx_bmu; /* TX BMU register */ SIMPLEQ_HEAD(__sk_txmaphead, sk_txmap_entry) sk_txmap_head; }; struct skc_attach_args { u_int16_t skc_port; u_int8_t skc_type; u_int8_t skc_rev; }; #define SK_TX_TIMEOUT 5 #endif /* _DEV_PCI_IF_SKVAR_H_ */
