/* $NetBSD: pdqvar.h,v 1.27 2000/05/03 19:17:54 thorpej Exp $ */ /*- * Copyright (c) 1995, 1996 Matt Thomas * 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 without 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 1.21 1997/03/21 21:16:04 thomas Exp * $FreeBSD$ * */ /* * DEC PDQ FDDI Controller; PDQ O/S dependent definitions * * Written by Matt Thomas * */ #if defined(PDQ_HWSUPPORT) #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* for vtophys */ #include /* for vtophys */ #include /* for DELAY */ #endif /* PDQ_HWSUPPORT */ 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; typedef struct mbuf PDQ_OS_DATABUF_T; typedef bus_space_tag_t pdq_bus_t; typedef bus_space_handle_t pdq_bus_memaddr_t; typedef pdq_bus_memaddr_t pdq_bus_memoffset_t; extern devclass_t pdq_devclass; enum _pdq_type_t { PDQ_DEFPA, /* PCI-bus */ PDQ_DEFEA, /* EISA-bus */ PDQ_DEFTA, /* TurboChannel */ PDQ_DEFAA, /* FutureBus+ */ PDQ_DEFQA /* Q-bus */ }; #define sc_ifmedia ifmedia #define sc_if arpcom.ac_if #define sc_bpf sc_if.if_bpf #define IFQ_DEQUEUE IF_DEQUEUE #define IFQ_IS_EMPTY(q) ((q)->ifq_len == 0) typedef struct _pdq_os_ctx_t { struct arpcom arpcom; struct ifmedia ifmedia; device_t dev; int debug; pdq_t * sc_pdq; int sc_flags; #define PDQIF_DOWNCALL 0x0001 /* active calling from if to pdq */ struct resource * io; int io_rid; int io_type; bus_space_handle_t io_bsh; bus_space_tag_t io_bst; struct resource * mem; int mem_rid; int mem_type; bus_space_handle_t mem_bsh; bus_space_tag_t mem_bst; struct resource * irq; int irq_rid; void * irq_ih; struct mtx mtx; } pdq_softc_t; #define PDQ_LOCK(_sc) mtx_lock(&(_sc)->mtx) #define PDQ_UNLOCK(_sc) mtx_unlock(&(_sc)->mtx) #define PDQ_OS_HDR_OFFSET PDQ_RX_FC_OFFSET #define PDQ_OS_PAGESIZE PAGE_SIZE #define PDQ_OS_TX_TRANSMIT 5 #define PDQ_OS_IORD_32(bt, bh, off) bus_space_read_4(bt, bh, off) #define PDQ_OS_IOWR_32(bt, bh, off, data) bus_space_write_4(bt, bh, off, data) #define PDQ_OS_IORD_8(bt, bh, off) bus_space_read_1(bt, bh, off) #define PDQ_OS_IOWR_8(bt, bh, off, data) bus_space_write_1(bt, bh, off, data) #define PDQ_CSR_OFFSET(base, offset) (0 + (offset)*sizeof(pdq_uint32_t)) #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) #define PDQ_OS_DATABUF_FREE(pdq, b) (m_freem(b)) #if defined(PDQ_OSSUPPORT) #define PDQ_OS_TX_TIMEOUT 5 /* seconds */ #define PDQ_OS_IFP_TO_SOFTC(ifp) ((pdq_softc_t *) (ifp)->if_softc) #define PDQ_BPF_MTAP(sc, m) BPF_MTAP(&(sc)->arpcom.ac_if, m) #endif /* PDQ_OSSUPPORT */ #if defined(PDQ_HWSUPPORT) #define PDQ_OS_PREFIX "%s: " #define PDQ_OS_PREFIX_ARGS pdq->pdq_os_name #define PDQ_OS_PTR_FMT "%p" #define PDQ_OS_CSR_FMT "0x%x" #define PDQ_OS_USEC_DELAY(n) DELAY(n) #ifdef __alpha__ #define PDQ_OS_VA_TO_BUSPA(pdq, p) alpha_XXX_dmamap((vm_offset_t)p) #else #define PDQ_OS_VA_TO_BUSPA(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) #define PDQ_OS_MEMZERO(p, n) bzero((caddr_t)(p), (n)) #define PDQ_OS_MEMALLOC_CONTIG(n) contigmalloc(n, M_DEVBUF, M_NOWAIT, 0x800000, ~0, PAGE_SIZE, 0) #define PDQ_OS_MEMFREE_CONTIG(p, n) contigfree(p, n, M_DEVBUF) #define PDQ_OS_DATABUF_SIZE (MCLBYTES) #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)) #define PDQ_OS_DATABUF_ALLOC(pdq, 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) #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) #define PDQ_OS_DATABUF_BUSPA(pdq, b) PDQ_OS_VA_TO_BUSPA(pdq, PDQ_OS_DATABUF_PTR(b)) #define PDQ_OS_CONSUMER_PRESYNC(pdq) do { } while(0) #define PDQ_OS_CONSUMER_POSTSYNC(pdq) do { } while(0) #define PDQ_OS_DESC_PRESYNC(pdq, d, s) do { } while(0) #define PDQ_OS_DESC_POSTSYNC(pdq, d, s) do { } while(0) #define PDQ_OS_CMDRQST_PRESYNC(pdq, s) do { } while(0) #define PDQ_OS_CMDRQST_POSTSYNC(pdq, s) do { } while(0) #define PDQ_OS_CMDRSP_PRESYNC(pdq, s) do { } while(0) #define PDQ_OS_CMDRSP_POSTSYNC(pdq, s) do { } while(0) #define PDQ_OS_RXPDU_PRESYNC(pdq, b, o, l) do { } while(0) #define PDQ_OS_RXPDU_POSTSYNC(pdq, b, o, l) do { } while(0) #define PDQ_OS_UNSOL_EVENT_PRESYNC(pdq, e) do { } while(0) #define PDQ_OS_UNSOL_EVENT_POSTSYNC(pdq, e) do { } while(0) #endif /* PDQ_HWSUPPORT */ /* * OS dependent functions provided by pdq_ifsubr.c to pdq.c */ void pdq_os_addr_fill (pdq_t *pdq, pdq_lanaddr_t *addrs, size_t numaddrs); void pdq_os_receive_pdu (pdq_t *, PDQ_OS_DATABUF_T *, size_t, int); void pdq_os_restart_transmitter (pdq_t *pdq); void pdq_os_transmit_done (pdq_t *, PDQ_OS_DATABUF_T *); void pdq_os_update_status (pdq_t *, const void *); /* * Driver interfaces functions provided by pdq.c to pdq_ifsubr.c */ pdq_boolean_t pdq_queue_transmit_data (pdq_t *pdq, PDQ_OS_DATABUF_T *pdu); void pdq_run (pdq_t *pdq); pdq_state_t pdq_stop (pdq_t *pdq); /* * OS dependent functions provided by * pdq_ifsubr.c or pdq.c to the bus front ends */ void pdq_ifattach (pdq_softc_t *); void pdq_ifdetach (pdq_softc_t *); void pdq_free (device_t); int pdq_interrupt (pdq_t *pdq); void pdq_hwreset (pdq_t *pdq); 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); /* * Misc prototypes. */ void pdq_flush_transmitter(pdq_t *pdq);