Finally import the 960801 of Matt Thomas' DEC FDDI driver. I'm

importing it onto a vendor branch first, in the hope that this will
make future maintenance easier.

The conflicts are (hopefully) unimportant.  More commits that actually
bring this into the source tree will follow.

Submitted by:	Matt Thomas (thomas@lkg.dec.com)

1 files changed, 351 insertions, 0 deletions

diff --git a/sys/dev/pdq/pdqvar.h b/sys/dev/pdq/pdqvar.h
new file mode 100644
index 0000000..6bb3065
--- /dev/null
+++ b/sys/dev/pdq/pdqvar.h
@@ -0,0 +1,351 @@
+/*-
+ * Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
+ * 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. The name of the author may not be used to endorse or promote products
+ *    derived from this software withough specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ *
+ * $Id: pdqvar.h,v 1.19 1996/07/31 21:38:44 thomas Exp $
+ *
+ */
+
+/*
+ * DEC PDQ FDDI Controller; PDQ O/S dependent definitions
+ *
+ * Written by Matt Thomas
+ *
+ */
+
+#ifndef _PDQ_OS_H
+#define	_PDQ_OS_H
+
+#define	PDQ_OS_TX_TIMEOUT		5	/* seconds */
+
+typedef struct _pdq_t pdq_t;
+typedef struct _pdq_csrs_t pdq_csrs_t;
+typedef struct _pdq_pci_csrs_t pdq_pci_csrs_t;
+typedef struct _pdq_lanaddr_t pdq_lanaddr_t;
+typedef unsigned int pdq_uint32_t;
+typedef unsigned short pdq_uint16_t;
+typedef unsigned char pdq_uint8_t;
+typedef enum _pdq_boolean_t pdq_boolean_t;
+typedef enum _pdq_type_t pdq_type_t;
+typedef enum _pdq_state_t pdq_state_t;
+
+enum _pdq_type_t {
+    PDQ_DEFPA,		/* PCI-bus */
+    PDQ_DEFEA,		/* EISA-bus */
+    PDQ_DEFTA,		/* TurboChannel */
+    PDQ_DEFAA,		/* FutureBus+ */
+    PDQ_DEFQA		/* Q-bus */
+};
+
+#if defined(PDQTEST)
+#include <pdq_os_test.h>
+#elif defined(__FreeBSD__) || defined(__bsdi__) || defined(__NetBSD__)
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#ifndef M_MCAST
+#include <sys/mbuf.h>
+#endif /* M_CAST */
+#include <sys/malloc.h>
+#include <vm/vm.h>
+#include <vm/vm_kern.h>
+
+#define	PDQ_USE_MBUFS
+#if defined(__NetBSD__)
+#define	PDQ_OS_PREFIX			"%s: "
+#define	PDQ_OS_PREFIX_ARGS		pdq->pdq_os_name
+#else
+#define	PDQ_OS_PREFIX			"%s%d: "
+#define	PDQ_OS_PREFIX_ARGS		pdq->pdq_os_name, pdq->pdq_unit
+#endif
+#if defined(__FreeBSD__) && BSD >= 199506
+#define	PDQ_OS_PAGESIZE			PAGE_SIZE
+#else
+#define	PDQ_OS_PAGESIZE			NBPG
+#endif
+#define	PDQ_OS_USEC_DELAY(n)		DELAY(n)
+#define	PDQ_OS_MEMZERO(p, n)		bzero((caddr_t)(p), (n))
+#if defined(__NetBSD__) && defined(__alpha__)
+#define	PDQ_OS_VA_TO_PA(pdq, p)		(vtophys((vm_offset_t)p) | (pdq->pdq_type == PDQ_DEFTA ? 0 : 0x40000000))
+#else
+#define	PDQ_OS_VA_TO_PA(pdq, p)		vtophys(p)
+#endif
+#define	PDQ_OS_MEMALLOC(n)		malloc(n, M_DEVBUF, M_NOWAIT)
+#define	PDQ_OS_MEMFREE(p, n)		free((void *) p, M_DEVBUF)
+#ifdef __FreeBSD__
+#define	PDQ_OS_MEMALLOC_CONTIG(n)	vm_page_alloc_contig(n, 0, 0xffffffff, PAGE_SIZE)
+#define	PDQ_OS_MEMFREE_CONTIG(p, n)	kmem_free(kernel_map, (vm_offset_t) p, n)
+#else
+#define	PDQ_OS_MEMALLOC_CONTIG(n)	kmem_alloc(kernel_map, round_page(n))
+#define	PDQ_OS_MEMFREE_CONTIG(p, n)	kmem_free(kernel_map, (vm_offset_t) p, n)
+#endif /* __FreeBSD__ */
+
+#if defined(__FreeBSD__)
+#include <vm/pmap.h>
+#include <vm/vm_extern.h>
+#include <machine/cpufunc.h>
+#include <machine/clock.h>
+typedef void ifnet_ret_t;
+typedef int ioctl_cmd_t;
+typedef enum { PDQ_BUS_EISA, PDQ_BUS_PCI } pdq_bus_t;
+typedef	u_int16_t pdq_bus_ioport_t;
+typedef volatile pdq_uint32_t *pdq_bus_memaddr_t;
+typedef pdq_bus_memaddr_t pdq_bus_memoffset_t;
+#if BSD >= 199506	/* __FreeBSD__ */
+#define	PDQ_BPF_MTAP(sc, m)	bpf_mtap(&(sc)->sc_if, m)
+#define	PDQ_BPFATTACH(sc, t, s)	bpfattach(&(sc)->sc_if, t, s)
+#endif
+
+
+#elif defined(__bsdi__)
+#include <machine/inline.h>
+typedef int ifnet_ret_t;
+typedef int ioctl_cmd_t;
+typedef enum { PDQ_BUS_EISA, PDQ_BUS_PCI } pdq_bus_t;
+typedef	u_int16_t pdq_bus_ioport_t;
+typedef volatile pdq_uint32_t *pdq_bus_memaddr_t;
+typedef pdq_bus_memaddr_t pdq_bus_memoffset_t;
+
+
+#elif defined(__NetBSD__)
+#include <machine/bus.h>
+#include <machine/intr.h>
+#define	PDQ_OS_PTR_FMT		"%p"
+typedef void ifnet_ret_t;
+typedef u_long ioctl_cmd_t;
+typedef	bus_chipset_tag_t pdq_bus_t;
+typedef	bus_io_handle_t pdq_bus_ioport_t;
+#if defined(PDQ_IOMAPPED)
+typedef	bus_io_handle_t pdq_bus_memaddr_t;
+#else
+typedef bus_mem_handle_t pdq_bus_memaddr_t;
+#endif
+typedef pdq_uint32_t pdq_bus_memoffset_t;
+#define	PDQ_OS_IOMEM
+#define PDQ_OS_IORD_32(t, base, offset)		bus_io_read_4  (t, base, offset)
+#define PDQ_OS_IOWR_32(t, base, offset, data)	bus_io_write_4 (t, base, offset, data)
+#define PDQ_OS_IORD_8(t, base, offset)		bus_io_read_1  (t, base, offset)
+#define PDQ_OS_IOWR_8(t, base, offset, data)	bus_io_write_1 (t, base, offset, data)
+#define PDQ_OS_MEMRD_32(t, base, offset)	bus_mem_read_4(t, base, offset)
+#define PDQ_OS_MEMWR_32(t, base, offset, data)	bus_mem_write_4(t, base, offset, data)
+#define	PDQ_CSR_OFFSET(base, offset)		(0 + (offset)*sizeof(pdq_uint32_t))
+
+#if defined(PDQ_IOMAPPED)
+#define	PDQ_CSR_WRITE(csr, name, data)		PDQ_OS_IOWR_32((csr)->csr_bus, (csr)->csr_base, (csr)->name, data)
+#define	PDQ_CSR_READ(csr, name)			PDQ_OS_IORD_32((csr)->csr_bus, (csr)->csr_base, (csr)->name)
+#else
+#define	PDQ_CSR_WRITE(csr, name, data)		PDQ_OS_MEMWR_32((csr)->csr_bus, (csr)->csr_base, (csr)->name, data)
+#define	PDQ_CSR_READ(csr, name)			PDQ_OS_MEMRD_32((csr)->csr_bus, (csr)->csr_base, (csr)->name)
+#endif
+
+#endif
+
+#if !defined(PDQ_BPF_MTAP)
+#define	PDQ_BPF_MTAP(sc, m)	bpf_mtap((sc)->sc_bpf, m)
+#endif
+
+#if !defined(PDQ_BPFATTACH)
+#define	PDQ_BPFATTACH(sc, t, s)	bpfattach(&(sc)->sc_bpf, &(sc)->sc_if, t, s)
+#endif
+
+#if !defined(PDQ_OS_PTR_FMT)
+#define	PDQ_OS_PTR_FMT	"0x%x"
+#endif
+
+#if !defined(PDQ_OS_IOMEM)
+#define PDQ_OS_IORD_32(t, base, offset)		inl((base) + (offset))
+#define PDQ_OS_IOWR_32(t, base, offset, data)	outl((base) + (offset), data)
+#define PDQ_OS_IORD_8(t, base, offset)		inb((base) + (offset))
+#define PDQ_OS_IOWR_8(t, base, offset, data)	outb((base) + (offset), data)
+#define PDQ_OS_MEMRD_32(t, base, offset)	(0 + *((base) + (offset)))
+#define PDQ_OS_MEMWR_32(t, base, offset, data)	do *((base) + (offset)) = (data); while (0)
+#endif
+#ifndef PDQ_CSR_OFFSET
+#define	PDQ_CSR_OFFSET(base, offset)		(0 + (base) + (offset))
+#endif
+
+#ifndef PDQ_CSR_WRITE
+#define	PDQ_CSR_WRITE(csr, name, data)		PDQ_OS_MEMWR_32((csr)->csr_bus, (csr)->name, 0, data)
+#define	PDQ_CSR_READ(csr, name)			PDQ_OS_MEMRD_32((csr)->csr_bus, (csr)->name, 0)
+#endif
+
+#if !defined(PDQ_HWSUPPORT)
+
+typedef struct {
+#if defined(__bsdi__)
+    struct device sc_dev;		/* base device */
+    struct isadev sc_id;		/* ISA device */
+    struct intrhand sc_ih;		/* interrupt vectoring */
+    struct atshutdown sc_ats;		/* shutdown routine */
+#elif defined(__NetBSD__)
+    struct device sc_dev;		/* base device */
+    void *sc_ih;			/* interrupt vectoring */
+    void *sc_ats;			/* shutdown hook */
+#elif defined(__FreeBSD__)
+    struct kern_devconf *sc_kdc;	/* freebsd cruft */
+#endif
+    struct arpcom sc_ac;
+#define	sc_if		sc_ac.ac_if
+    pdq_t *sc_pdq;
+#if defined(__alpha__) || defined(__i386__)
+    pdq_bus_ioport_t sc_iobase;
+#endif
+#ifdef PDQ_IOMAPPED
+#define	sc_membase	sc_iobase
+#else
+    pdq_bus_memaddr_t sc_membase;
+#endif
+    pdq_bus_t sc_bc;
+#if !defined(__bsdi__) || _BSDI_VERSION >= 199401
+#define	sc_bpf		sc_if.if_bpf
+#else
+    caddr_t sc_bpf;
+#endif
+} pdq_softc_t;
+
+
+extern void pdq_ifreset(pdq_softc_t *sc);
+extern void pdq_ifinit(pdq_softc_t *sc);
+extern void pdq_ifwatchdog(struct ifnet *ifp);
+extern ifnet_ret_t pdq_ifstart(struct ifnet *ifp);
+extern int pdq_ifioctl(struct ifnet *ifp, ioctl_cmd_t cmd, caddr_t data);
+extern void pdq_ifattach(pdq_softc_t *sc, ifnet_ret_t (*ifwatchdog)(int unit));
+#endif /* !PDQ_HWSUPPORT */
+
+
+#elif defined(DLPI_PDQ)
+#include <sys/param.h>
+#include <sys/kmem.h>
+#include <sys/ddi.h>
+#include <sys/stream.h>
+
+#define	PDQ_USE_STREAMS
+#define	PDQ_OS_PREFIX			"%s board %d "
+#define	PDQ_OS_PREFIX_ARGS		pdq->pdq_os_name, pdq->pdq_unit
+
+#define	PDQ_OS_PAGESIZE			PAGESIZE
+#define	PDQ_OS_USEC_DELAY(n)		drv_usecwait(n)
+#define	PDQ_OS_MEMZERO(p, n)		bzero((caddr_t)(p), (n))
+#define	PDQ_OS_VA_TO_PA(pdq, p)		vtop((caddr_t)p, NULL)
+#define	PDQ_OS_MEMALLOC(n)		kmem_zalloc(n, KM_NOSLEEP)
+#define	PDQ_OS_MEMFREE(p, n)		kmem_free((caddr_t) p, n)
+#define	PDQ_OS_MEMALLOC_CONTIG(n)	kmem_zalloc_physreq(n, decfddiphysreq_db, KM_NOSLEEP)
+#define	PDQ_OS_MEMFREE_CONTIG(p, n)	PDQ_OS_MEMFREE(p, n)
+
+extern physreq_t *decfddiphysreq_db;
+extern physreq_t *decfddiphysreq_mblk;
+
+#define	PDQ_OS_DATABUF_ALLOC(b)		((void) (((b) = allocb_physreq(PDQ_OS_DATABUF_SIZE, BPRI_MED, decfddiphysreq_mblk)) && ((b)->b_wptr = (b)->b_rptr + PDQ_OS_DATABUF_SIZE)))
+
+#define PDQ_OS_IORD_8(port)		inb(port)
+#define PDQ_OS_IOWR_8(port, data)	outb(port, data)
+#endif
+
+
+#ifdef PDQ_USE_MBUFS
+#define	PDQ_OS_DATABUF_SIZE			(MCLBYTES)
+#define	PDQ_OS_DATABUF_FREE(b)			(m_freem(b))
+#define	PDQ_OS_DATABUF_NEXT(b)			((b)->m_next)
+#define	PDQ_OS_DATABUF_NEXT_SET(b, b1)		((b)->m_next = (b1))
+#define	PDQ_OS_DATABUF_NEXTPKT(b)		((b)->m_nextpkt)
+#define	PDQ_OS_DATABUF_NEXTPKT_SET(b, b1)	((b)->m_nextpkt = (b1))
+#define	PDQ_OS_DATABUF_LEN(b)			((b)->m_len)
+#define	PDQ_OS_DATABUF_LEN_SET(b, n)		((b)->m_len = (n))
+/* #define	PDQ_OS_DATABUF_LEN_ADJ(b, n)		((b)->m_len += (n)) */
+#define	PDQ_OS_DATABUF_PTR(b)			(mtod((b), pdq_uint8_t *))
+#define	PDQ_OS_DATABUF_ADJ(b, n)		((b)->m_data += (n), (b)->m_len -= (n))
+typedef struct mbuf PDQ_OS_DATABUF_T;
+
+#define	PDQ_OS_DATABUF_ALLOC(b) do { \
+    PDQ_OS_DATABUF_T *x_m0; \
+    MGETHDR(x_m0, M_DONTWAIT, MT_DATA); \
+    if (x_m0 != NULL) { \
+	MCLGET(x_m0, M_DONTWAIT);	\
+	if ((x_m0->m_flags & M_EXT) == 0) { \
+	    m_free(x_m0); \
+	    (b) = NULL; \
+	} else { \
+	    (b) = x_m0; \
+	    x_m0->m_len = PDQ_OS_DATABUF_SIZE; \
+	} \
+    } else { \
+	(b) = NULL; \
+    } \
+} while (0)
+#define	PDQ_OS_DATABUF_RESET(b)	((b)->m_data = (b)->m_ext.ext_buf, (b)->m_len = MCLBYTES)
+#endif /* PDQ_USE_MBUFS */
+
+#ifdef PDQ_USE_STREAMS
+#define	PDQ_OS_DATABUF_SIZE			(2048)
+#define	PDQ_OS_DATABUF_FREE(b)			(freemsg(b))
+#define	PDQ_OS_DATABUF_NEXT(b)			((b)->b_cont)
+#define	PDQ_OS_DATABUF_NEXT_SET(b, b1)		((b)->b_cont = (b1))
+#define	PDQ_OS_DATABUF_NEXTPKT(b)		((b)->b_next)
+#define	PDQ_OS_DATABUF_NEXTPKT_SET(b, b1)	((b)->b_next = (b1))
+#define	PDQ_OS_DATABUF_LEN(b)			((b)->b_wptr - (b)->b_rptr)
+#define	PDQ_OS_DATABUF_LEN_SET(b, n)		((b)->b_wptr = (b)->b_rptr + (n))
+/*#define	PDQ_OS_DATABUF_LEN_ADJ(b, n)		((b)->b_wptr += (n))*/
+#define	PDQ_OS_DATABUF_PTR(b)			((pdq_uint8_t *) (b)->b_rptr)
+#define	PDQ_OS_DATABUF_ADJ(b, n)		((b)->b_rptr += (n))
+typedef mblk_t PDQ_OS_DATABUF_T;
+
+#ifndef	PDQ_OS_DATABUF_ALLOC
+#define	PDQ_OS_DATABUF_ALLOC(b)			((void) (((b) = allocb(PDQ_OS_DATABUF_SIZE, BPRI_MED)) && ((b)->b_wptr = (b)->b_rptr + PDQ_OS_DATABUF_SIZE)))
+#endif /* PDQ_OS_DATABUF_ALLOC */
+#endif /* PDQ_USE_STREAMS */
+
+#define	PDQ_OS_TX_TRANSMIT		5
+
+#define	PDQ_OS_DATABUF_ENQUEUE(q, b)	do { \
+    PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \
+    if ((q)->q_tail == NULL) \
+	(q)->q_head = (b); \
+    else \
+	PDQ_OS_DATABUF_NEXTPKT_SET(((PDQ_OS_DATABUF_T *)(q)->q_tail), b); \
+    (q)->q_tail = (b); \
+} while (0)
+
+#define	PDQ_OS_DATABUF_DEQUEUE(q, b)	do { \
+    if (((b) = (PDQ_OS_DATABUF_T *) (q)->q_head) != NULL) { \
+	if (((q)->q_head = PDQ_OS_DATABUF_NEXTPKT(b)) == NULL) \
+	    (q)->q_tail = NULL; \
+	PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \
+    } \
+} while (0)
+
+extern void pdq_os_addr_fill(pdq_t *pdq, pdq_lanaddr_t *addrs, size_t numaddrs);
+extern void pdq_os_receive_pdu(pdq_t *, PDQ_OS_DATABUF_T *pdu, size_t pdulen);
+extern void pdq_os_restart_transmitter(pdq_t *pdq);
+extern void pdq_os_transmit_done(pdq_t *pdq, PDQ_OS_DATABUF_T *pdu);
+
+extern pdq_boolean_t pdq_queue_transmit_data(pdq_t *pdq, PDQ_OS_DATABUF_T *pdu);
+extern void pdq_flush_transmitter(pdq_t *pdq);
+
+extern void pdq_run(pdq_t *pdq);
+extern pdq_state_t pdq_stop(pdq_t *pdq);
+extern void pdq_hwreset(pdq_t *pdq);
+
+extern int pdq_interrupt(pdq_t *pdq);
+extern pdq_t *pdq_initialize(pdq_bus_t bus, pdq_bus_memaddr_t csr_va,
+			     const char *name, int unit,
+			     void *ctx, pdq_type_t type);
+#endif /* _PDQ_OS_H */