twevar.h revision 1.4.2.2
1 1.4.2.2 bouyer /* $NetBSD: twevar.h,v 1.4.2.2 2000/11/20 11:42:38 bouyer Exp $ */ 2 1.4.2.2 bouyer 3 1.4.2.2 bouyer /*- 4 1.4.2.2 bouyer * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 1.4.2.2 bouyer * All rights reserved. 6 1.4.2.2 bouyer * 7 1.4.2.2 bouyer * This code is derived from software contributed to The NetBSD Foundation 8 1.4.2.2 bouyer * by Andrew Doran. 9 1.4.2.2 bouyer * 10 1.4.2.2 bouyer * Redistribution and use in source and binary forms, with or without 11 1.4.2.2 bouyer * modification, are permitted provided that the following conditions 12 1.4.2.2 bouyer * are met: 13 1.4.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 14 1.4.2.2 bouyer * notice, this list of conditions and the following disclaimer. 15 1.4.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 16 1.4.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 17 1.4.2.2 bouyer * documentation and/or other materials provided with the distribution. 18 1.4.2.2 bouyer * 3. All advertising materials mentioning features or use of this software 19 1.4.2.2 bouyer * must display the following acknowledgement: 20 1.4.2.2 bouyer * This product includes software developed by the NetBSD 21 1.4.2.2 bouyer * Foundation, Inc. and its contributors. 22 1.4.2.2 bouyer * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.4.2.2 bouyer * contributors may be used to endorse or promote products derived 24 1.4.2.2 bouyer * from this software without specific prior written permission. 25 1.4.2.2 bouyer * 26 1.4.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.4.2.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.4.2.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.4.2.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.4.2.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.4.2.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.4.2.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.4.2.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.4.2.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.4.2.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.4.2.2 bouyer * POSSIBILITY OF SUCH DAMAGE. 37 1.4.2.2 bouyer */ 38 1.4.2.2 bouyer 39 1.4.2.2 bouyer /*- 40 1.4.2.2 bouyer * Copyright (c) 2000 Michael Smith 41 1.4.2.2 bouyer * Copyright (c) 2000 BSDi 42 1.4.2.2 bouyer * All rights reserved. 43 1.4.2.2 bouyer * 44 1.4.2.2 bouyer * Redistribution and use in source and binary forms, with or without 45 1.4.2.2 bouyer * modification, are permitted provided that the following conditions 46 1.4.2.2 bouyer * are met: 47 1.4.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 48 1.4.2.2 bouyer * notice, this list of conditions and the following disclaimer. 49 1.4.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 50 1.4.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 51 1.4.2.2 bouyer * documentation and/or other materials provided with the distribution. 52 1.4.2.2 bouyer * 53 1.4.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 54 1.4.2.2 bouyer * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 55 1.4.2.2 bouyer * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 56 1.4.2.2 bouyer * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 57 1.4.2.2 bouyer * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 58 1.4.2.2 bouyer * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 59 1.4.2.2 bouyer * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 60 1.4.2.2 bouyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 61 1.4.2.2 bouyer * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 62 1.4.2.2 bouyer * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 63 1.4.2.2 bouyer * SUCH DAMAGE. 64 1.4.2.2 bouyer * 65 1.4.2.2 bouyer * from FreeBSD: twevar.h,v 1.1 2000/05/24 23:35:23 msmith Exp 66 1.4.2.2 bouyer */ 67 1.4.2.2 bouyer 68 1.4.2.2 bouyer #ifndef _PCI_TWEVAR_H_ 69 1.4.2.2 bouyer #define _PCI_TWEVAR_H_ 70 1.4.2.2 bouyer 71 1.4.2.2 bouyer #include "locators.h" 72 1.4.2.2 bouyer 73 1.4.2.2 bouyer #ifndef TWE_MAX_QUEUECNT 74 1.4.2.2 bouyer #define TWE_MAX_QUEUECNT 128 /* Maximum per-adapter queue count */ 75 1.4.2.2 bouyer #endif 76 1.4.2.2 bouyer #ifndef TWE_MAX_PU_QUEUECNT 77 1.4.2.2 bouyer #define TWE_MAX_PU_QUEUECNT 32 /* Maximum per-unit queue count */ 78 1.4.2.2 bouyer #endif 79 1.4.2.2 bouyer 80 1.4.2.2 bouyer #if TWE_SG_SIZE > (((MAXPHYS + NBPG - 1) / NBPG) + 1) 81 1.4.2.2 bouyer #define TWE_MAX_SEGS (((MAXPHYS + NBPG - 1) / NBPG) + 1) 82 1.4.2.2 bouyer #else 83 1.4.2.2 bouyer #define TWE_MAX_SEGS TWE_SG_SIZE 84 1.4.2.2 bouyer #endif 85 1.4.2.2 bouyer 86 1.4.2.2 bouyer /* Per-controller state. */ 87 1.4.2.2 bouyer struct twe_softc { 88 1.4.2.2 bouyer struct device sc_dv; 89 1.4.2.2 bouyer bus_space_tag_t sc_iot; 90 1.4.2.2 bouyer bus_space_handle_t sc_ioh; 91 1.4.2.2 bouyer bus_dma_tag_t sc_dmat; 92 1.4.2.2 bouyer bus_dmamap_t sc_dmamap; 93 1.4.2.2 bouyer void *sc_ih; 94 1.4.2.2 bouyer caddr_t sc_cmds; 95 1.4.2.2 bouyer bus_addr_t sc_cmds_paddr; 96 1.4.2.2 bouyer struct twe_ccb *sc_ccbs; 97 1.4.2.2 bouyer SIMPLEQ_HEAD(, twe_ccb) sc_ccb_queue; 98 1.4.2.2 bouyer SLIST_HEAD(, twe_ccb) sc_ccb_freelist; 99 1.4.2.2 bouyer int sc_ccb_waitcnt; 100 1.4.2.2 bouyer u_int sc_dsize[TWE_MAX_UNITS]; 101 1.4.2.2 bouyer }; 102 1.4.2.2 bouyer 103 1.4.2.2 bouyer /* Optional per-command context. */ 104 1.4.2.2 bouyer struct twe_context { 105 1.4.2.2 bouyer void (*tx_handler)(struct twe_ccb *, int); 106 1.4.2.2 bouyer void *tx_context; 107 1.4.2.2 bouyer struct device *tx_dv; 108 1.4.2.2 bouyer }; 109 1.4.2.2 bouyer 110 1.4.2.2 bouyer /* Command control block. */ 111 1.4.2.2 bouyer struct twe_ccb { 112 1.4.2.2 bouyer union { 113 1.4.2.2 bouyer SIMPLEQ_ENTRY(twe_ccb) simpleq; 114 1.4.2.2 bouyer SLIST_ENTRY(twe_ccb) slist; 115 1.4.2.2 bouyer } ccb_chain; 116 1.4.2.2 bouyer struct twe_cmd *ccb_cmd; 117 1.4.2.2 bouyer int ccb_cmdid; 118 1.4.2.2 bouyer int ccb_flags; 119 1.4.2.2 bouyer void *ccb_data; 120 1.4.2.2 bouyer int ccb_datasize; 121 1.4.2.2 bouyer vaddr_t ccb_abuf; 122 1.4.2.2 bouyer bus_dmamap_t ccb_dmamap_xfer; 123 1.4.2.2 bouyer struct twe_context ccb_tx; 124 1.4.2.2 bouyer }; 125 1.4.2.2 bouyer #define TWE_CCB_DATA_IN 0x01 /* Map describes inbound xfer */ 126 1.4.2.2 bouyer #define TWE_CCB_DATA_OUT 0x02 /* Map describes outbound xfer */ 127 1.4.2.2 bouyer #define TWE_CCB_COMPLETE 0x04 /* Command completed */ 128 1.4.2.2 bouyer #define TWE_CCB_ACTIVE 0x08 /* Command active */ 129 1.4.2.2 bouyer 130 1.4.2.2 bouyer struct twe_attach_args { 131 1.4.2.2 bouyer int twea_unit; 132 1.4.2.2 bouyer }; 133 1.4.2.2 bouyer 134 1.4.2.2 bouyer #define tweacf_unit cf_loc[TWECF_UNIT] 135 1.4.2.2 bouyer 136 1.4.2.2 bouyer int twe_ccb_alloc(struct twe_softc *, struct twe_ccb **, int); 137 1.4.2.2 bouyer void twe_ccb_enqueue(struct twe_softc *sc, struct twe_ccb *ccb); 138 1.4.2.2 bouyer void twe_ccb_free(struct twe_softc *sc, struct twe_ccb *); 139 1.4.2.2 bouyer int twe_ccb_map(struct twe_softc *, struct twe_ccb *); 140 1.4.2.2 bouyer int twe_ccb_poll(struct twe_softc *, struct twe_ccb *, int); 141 1.4.2.2 bouyer int twe_ccb_submit(struct twe_softc *, struct twe_ccb *); 142 1.4.2.2 bouyer void twe_ccb_unmap(struct twe_softc *, struct twe_ccb *); 143 1.4.2.2 bouyer 144 1.4.2.2 bouyer #endif /* !_PCI_TWEVAR_H_ */ 145
Indexes created Thu Oct 02 07:10:07 GMT 2025