Annotation of sys/dev/pci/if_skvar.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: if_skvar.h,v 1.2 2005/12/22 20:54:47 brad 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: * 3. All advertising materials mentioning features or use of this software
! 17: * must display the following acknowledgement:
! 18: * This product includes software developed by the NetBSD
! 19: * Foundation, Inc. and its contributors.
! 20: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 21: * contributors may be used to endorse or promote products derived
! 22: * from this software without specific prior written permission.
! 23: *
! 24: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 25: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 26: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 27: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 28: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 29: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 30: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 31: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 32: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 33: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 34: * POSSIBILITY OF SUCH DAMAGE.
! 35: */
! 36: /* $OpenBSD: if_skvar.h,v 1.2 2005/12/22 20:54:47 brad Exp $ */
! 37:
! 38: /*
! 39: * Copyright (c) 1997, 1998, 1999, 2000
! 40: * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
! 41: *
! 42: * Redistribution and use in source and binary forms, with or without
! 43: * modification, are permitted provided that the following conditions
! 44: * are met:
! 45: * 1. Redistributions of source code must retain the above copyright
! 46: * notice, this list of conditions and the following disclaimer.
! 47: * 2. Redistributions in binary form must reproduce the above copyright
! 48: * notice, this list of conditions and the following disclaimer in the
! 49: * documentation and/or other materials provided with the distribution.
! 50: * 3. All advertising materials mentioning features or use of this software
! 51: * must display the following acknowledgement:
! 52: * This product includes software developed by Bill Paul.
! 53: * 4. Neither the name of the author nor the names of any co-contributors
! 54: * may be used to endorse or promote products derived from this software
! 55: * without specific prior written permission.
! 56: *
! 57: * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
! 58: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 59: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 60: * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
! 61: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 62: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 63: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 64: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 65: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 66: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
! 67: * THE POSSIBILITY OF SUCH DAMAGE.
! 68: *
! 69: * $FreeBSD: /c/ncvs/src/sys/pci/if_skreg.h,v 1.9 2000/04/22 02:16:37 wpaul 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 _DEV_PCI_IF_SKVAR_H_
! 89: #define _DEV_PCI_IF_SKVAR_H_
! 90:
! 91: struct sk_jpool_entry {
! 92: int slot;
! 93: LIST_ENTRY(sk_jpool_entry) jpool_entries;
! 94: };
! 95:
! 96: struct sk_chain {
! 97: void *sk_desc;
! 98: struct mbuf *sk_mbuf;
! 99: struct sk_chain *sk_next;
! 100: };
! 101:
! 102: /*
! 103: * Number of DMA segments in a TxCB. Note that this is carefully
! 104: * chosen to make the total struct size an even power of two. It's
! 105: * critical that no TxCB be split across a page boundary since
! 106: * no attempt is made to allocate physically contiguous memory.
! 107: *
! 108: */
! 109: #define SK_NTXSEG 30
! 110:
! 111: struct sk_txmap_entry {
! 112: bus_dmamap_t dmamap;
! 113: SIMPLEQ_ENTRY(sk_txmap_entry) link;
! 114: };
! 115:
! 116: struct sk_chain_data {
! 117: struct sk_chain sk_tx_chain[SK_TX_RING_CNT];
! 118: struct sk_chain sk_rx_chain[SK_RX_RING_CNT];
! 119: struct sk_txmap_entry *sk_tx_map[SK_TX_RING_CNT];
! 120: bus_dmamap_t sk_rx_map[SK_RX_RING_CNT];
! 121: bus_dmamap_t sk_rx_jumbo_map;
! 122: int sk_tx_prod;
! 123: int sk_tx_cons;
! 124: int sk_tx_cnt;
! 125: int sk_rx_prod;
! 126: int sk_rx_cons;
! 127: int sk_rx_cnt;
! 128: /* Stick the jumbo mem management stuff here too. */
! 129: caddr_t sk_jslots[SK_JSLOTS];
! 130: void *sk_jumbo_buf;
! 131:
! 132: };
! 133:
! 134: struct sk_ring_data {
! 135: struct sk_tx_desc sk_tx_ring[SK_TX_RING_CNT];
! 136: struct sk_rx_desc sk_rx_ring[SK_RX_RING_CNT];
! 137: };
! 138:
! 139: #define SK_TX_RING_ADDR(sc, i) \
! 140: ((sc)->sk_ring_map->dm_segs[0].ds_addr + \
! 141: offsetof(struct sk_ring_data, sk_tx_ring[(i)]))
! 142:
! 143: #define SK_RX_RING_ADDR(sc, i) \
! 144: ((sc)->sk_ring_map->dm_segs[0].ds_addr + \
! 145: offsetof(struct sk_ring_data, sk_rx_ring[(i)]))
! 146:
! 147: #define SK_CDOFF(x) offsetof(struct sk_ring_data, x)
! 148: #define SK_CDTXOFF(x) SK_CDOFF(sk_tx_ring[(x)])
! 149: #define SK_CDRXOFF(x) SK_CDOFF(sk_rx_ring[(x)])
! 150:
! 151: #define SK_CDTXSYNC(sc, x, n, ops) \
! 152: do { \
! 153: int __x, __n; \
! 154: \
! 155: __x = (x); \
! 156: __n = (n); \
! 157: \
! 158: /* If it will wrap around, sync to the end of the ring. */ \
! 159: if ((__x + __n) > SK_TX_RING_CNT) { \
! 160: bus_dmamap_sync((sc)->sk_softc->sc_dmatag, \
! 161: (sc)->sk_ring_map, SK_CDTXOFF(__x), \
! 162: sizeof(struct sk_tx_desc) * (SK_TX_RING_CNT - __x),\
! 163: (ops)); \
! 164: __n -= (SK_TX_RING_CNT - __x); \
! 165: __x = 0; \
! 166: } \
! 167: \
! 168: /* Now sync whatever is left. */ \
! 169: bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \
! 170: SK_CDTXOFF((__x)), sizeof(struct sk_tx_desc) * __n, (ops)); \
! 171: } while (/*CONSTCOND*/0)
! 172:
! 173: #define SK_CDRXSYNC(sc, x, ops) \
! 174: do { \
! 175: bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \
! 176: SK_CDRXOFF((x)), sizeof(struct sk_rx_desc), (ops)); \
! 177: } while (/*CONSTCOND*/0)
! 178:
! 179: struct sk_bcom_hack {
! 180: int reg;
! 181: int val;
! 182: };
! 183:
! 184: #define SK_INC(x, y) (x) = (x + 1) % y
! 185:
! 186: /* Forward decl. */
! 187: struct sk_if_softc;
! 188:
! 189: /* Softc for the GEnesis controller. */
! 190: struct sk_softc {
! 191: struct device sk_dev; /* generic device */
! 192: bus_space_handle_t sk_bhandle; /* bus space handle */
! 193: bus_space_tag_t sk_btag; /* bus space tag */
! 194: void *sk_intrhand; /* irq handler handle */
! 195: u_int8_t sk_coppertype;
! 196: u_int8_t sk_pmd; /* physical media type */
! 197: u_int8_t sk_type;
! 198: u_int8_t sk_rev;
! 199: u_int8_t sk_macs; /* # of MACs */
! 200: char *sk_name;
! 201: u_int32_t sk_rboff; /* RAMbuffer offset */
! 202: u_int32_t sk_ramsize; /* amount of RAM on NIC */
! 203: u_int32_t sk_intrmask;
! 204: bus_dma_tag_t sc_dmatag;
! 205: struct sk_if_softc *sk_if[2];
! 206: };
! 207:
! 208: /* Softc for each logical interface */
! 209: struct sk_if_softc {
! 210: struct device sk_dev; /* generic device */
! 211: struct arpcom arpcom; /* interface info */
! 212: struct mii_data sk_mii;
! 213: u_int8_t sk_port; /* port # on controller */
! 214: u_int8_t sk_xmac_rev; /* XMAC chip rev (B2 or C1) */
! 215: u_int32_t sk_rx_ramstart;
! 216: u_int32_t sk_rx_ramend;
! 217: u_int32_t sk_tx_ramstart;
! 218: u_int32_t sk_tx_ramend;
! 219: u_int8_t sk_phytype;
! 220: int sk_phyaddr;
! 221: int sk_cnt;
! 222: int sk_link;
! 223: struct timeout sk_tick_ch;
! 224: struct sk_chain_data sk_cdata;
! 225: struct sk_ring_data *sk_rdata;
! 226: bus_dmamap_t sk_ring_map;
! 227: struct sk_softc *sk_softc; /* parent controller */
! 228: int sk_tx_bmu; /* TX BMU register */
! 229: int sk_if_flags;
! 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: u_int8_t skc_type;
! 238: u_int8_t skc_rev;
! 239: };
! 240:
! 241: #endif /* _DEV_PCI_IF_SKVAR_H_ */
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