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authorMark Kettenis <kettenis@cvs.openbsd.org>2006-08-16 21:06:24 +0000
committerMark Kettenis <kettenis@cvs.openbsd.org>2006-08-16 21:06:24 +0000
commite14dd7b54749b5a3b74626432fe5da4dd959da44 (patch)
tree547e167c3441cb1f88bb6eaa21dd311c99aa344c /sys/dev/pci/if_mskvar.h
parent909d53f8056cc38d72220739f153e20867ad4b7c (diff)
Enter msk(4), an initial stab at a driver for the Marvell Yukon-2 Gigabit
ethernet controllers. It works well enough to commit over. There's a lot code duplication from sk(4) though that needs to be reduced.
Diffstat (limited to 'sys/dev/pci/if_mskvar.h')
-rw-r--r--sys/dev/pci/if_mskvar.h246
1 files changed, 246 insertions, 0 deletions
diff --git a/sys/dev/pci/if_mskvar.h b/sys/dev/pci/if_mskvar.h
new file mode 100644
index 00000000000..47caf713cf2
--- /dev/null
+++ b/sys/dev/pci/if_mskvar.h
@@ -0,0 +1,246 @@
+/* $OpenBSD: if_mskvar.h,v 1.1 2006/08/16 21:06:23 kettenis 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the NetBSD
+ * Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * 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_mskvar.h,v 1.1 2006/08/16 21:06:23 kettenis 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_MSKVAR_H_
+#define _DEV_PCI_IF_MSKVAR_H_
+
+struct sk_jpool_entry {
+ int slot;
+ LIST_ENTRY(sk_jpool_entry) jpool_entries;
+};
+
+struct sk_chain {
+ void *sk_le;
+ 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 msk_chain_data {
+ struct sk_chain sk_tx_chain[MSK_TX_RING_CNT];
+ struct sk_chain sk_rx_chain[MSK_RX_RING_CNT];
+ struct sk_txmap_entry *sk_tx_map[MSK_TX_RING_CNT];
+ bus_dmamap_t sk_rx_map[MSK_RX_RING_CNT];
+ bus_dmamap_t sk_rx_jumbo_map;
+ int sk_tx_prod;
+ int sk_tx_cons;
+ int sk_tx_cnt;
+ int sk_rx_prod;
+ int sk_rx_cons;
+ int sk_rx_cnt;
+ /* Stick the jumbo mem management stuff here too. */
+ caddr_t sk_jslots[MSK_JSLOTS];
+ void *sk_jumbo_buf;
+};
+
+struct msk_ring_data {
+ struct msk_tx_desc sk_tx_ring[MSK_TX_RING_CNT];
+ struct msk_rx_desc sk_rx_ring[MSK_RX_RING_CNT];
+};
+
+#define MSK_TX_RING_ADDR(sc, i) \
+ ((sc)->sk_ring_map->dm_segs[0].ds_addr + \
+ offsetof(struct msk_ring_data, sk_tx_ring[(i)]))
+
+#define MSK_RX_RING_ADDR(sc, i) \
+ ((sc)->sk_ring_map->dm_segs[0].ds_addr + \
+ offsetof(struct msk_ring_data, sk_rx_ring[(i)]))
+
+#define MSK_CDOFF(x) offsetof(struct msk_ring_data, x)
+#define MSK_CDTXOFF(x) MSK_CDOFF(sk_tx_ring[(x)])
+#define MSK_CDRXOFF(x) MSK_CDOFF(sk_rx_ring[(x)])
+#define MSK_CDSTOFF(x) ((x) * sizeof(struct msk_status_desc))
+
+#define MSK_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) > MSK_TX_RING_CNT) { \
+ bus_dmamap_sync((sc)->sk_softc->sc_dmatag, \
+ (sc)->sk_ring_map, MSK_CDTXOFF(__x), \
+ sizeof(struct msk_tx_desc) * (MSK_TX_RING_CNT - __x), \
+ (ops)); \
+ __n -= (MSK_TX_RING_CNT - __x); \
+ __x = 0; \
+ } \
+ \
+ /* Now sync whatever is left. */ \
+ bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \
+ MSK_CDTXOFF((__x)), sizeof(struct msk_tx_desc) * __n, (ops)); \
+} while (/*CONSTCOND*/0)
+
+#define MSK_CDRXSYNC(sc, x, ops) \
+do { \
+ bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \
+ MSK_CDRXOFF((x)), sizeof(struct msk_rx_desc), (ops)); \
+} while (/*CONSTCOND*/0)
+
+#define MSK_CDSTSYNC(sc, x, ops) \
+do { \
+ bus_dmamap_sync((sc)->sc_dmatag, (sc)->sk_status_map, \
+ MSK_CDSTOFF((x)), sizeof(struct msk_status_desc), (ops)); \
+} while (/*CONSTCOND*/0)
+
+#define SK_INC(x, y) (x) = (x + 1) % y
+
+/* Forward decl. */
+struct sk_if_softc;
+
+/* Softc for the Yukon-II 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 */
+ void *sk_intrhand; /* irq handler handle */
+ 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];
+ struct msk_status_desc *sk_status_ring;
+ bus_dmamap_t sk_status_map;
+ int sk_status_idx;
+};
+
+/* 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 msk_chain_data sk_cdata;
+ struct msk_ring_data *sk_rdata;
+ bus_dmamap_t sk_ring_map;
+ int sk_status_idx;
+ struct sk_softc *sk_softc; /* parent controller */
+ int sk_tx_bmu; /* TX BMU register */
+ int sk_if_flags;
+ LIST_HEAD(__sk_jfreehead, sk_jpool_entry) sk_jfree_listhead;
+ LIST_HEAD(__sk_jinusehead, sk_jpool_entry) sk_jinuse_listhead;
+ 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;
+};
+
+#endif /* _DEV_PCI_IF_MSKVAR_H_ */