amrvar.h revision 1.6
1 /* $NetBSD: amrvar.h,v 1.6 2006/07/23 12:01:26 bouyer Exp $ */ 2 3 /*- 4 * Copyright (c) 2002, 2003 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Andrew Doran. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _PCI_AMRVAR_H_ 40 #define _PCI_AMRVAR_H_ 41 42 #define AMR_MAX_UNITS 16 43 #define AMR_WDOG_TICKS (hz * 5) 44 #define AMR_NCCB_RESV 2 45 #define AMR_ENQUIRY_BUFSIZE 2048 46 #define AMR_SGL_SIZE (sizeof(struct amr_sgentry) * AMR_MAX_SEGS) 47 #define AMR_TIMEOUT 30 48 49 /* 50 * Logical drive information. 51 */ 52 struct amr_logdrive { 53 u_int al_size; 54 u_short al_state; 55 u_short al_properties; 56 struct device *al_dv; 57 }; 58 59 /* 60 * Per-controller state. 61 */ 62 struct amr_softc { 63 struct device amr_dv; 64 bus_space_tag_t amr_iot; 65 bus_space_handle_t amr_ioh; 66 bus_size_t amr_ios; 67 bus_dma_tag_t amr_dmat; 68 pci_chipset_tag_t amr_pc; 69 void *amr_ih; 70 struct proc *amr_thread; 71 int amr_flags; 72 73 struct amr_mailbox *amr_mbox; 74 bus_addr_t amr_mbox_paddr; 75 bus_dmamap_t amr_dmamap; 76 bus_dma_segment_t amr_dmaseg; 77 int amr_dmasize; 78 void *amr_enqbuf; 79 80 struct amr_sgentry *amr_sgls; 81 bus_addr_t amr_sgls_paddr; 82 83 struct amr_ccb *amr_ccbs; 84 SLIST_HEAD(, amr_ccb) amr_ccb_freelist; 85 SIMPLEQ_HEAD(, amr_ccb) amr_ccb_queue; 86 TAILQ_HEAD(, amr_ccb) amr_ccb_active; 87 int amr_maxqueuecnt; 88 89 int (*amr_get_work)(struct amr_softc *, struct amr_mailbox_resp *); 90 int (*amr_submit)(struct amr_softc *sc, struct amr_ccb *); 91 92 int amr_numdrives; 93 struct amr_logdrive amr_drive[AMR_MAX_UNITS]; 94 }; 95 96 /* What resources are allocated? */ 97 #define AMRF_INTR 0x00000001 98 #define AMRF_DMA_LOAD 0x00000002 99 #define AMRF_DMA_MAP 0x00000004 100 #define AMRF_DMA_ALLOC 0x00000008 101 #define AMRF_DMA_CREATE 0x00000010 102 #define AMRF_PCI_INTR 0x00000020 103 #define AMRF_PCI_REGS 0x00000040 104 #define AMRF_CCBS 0x00000080 105 #define AMRF_ENQBUF 0x00000100 106 #define AMRF_THREAD 0x00000200 107 108 /* General flags. */ 109 #define AMRF_THREAD_EXIT 0x00010000 110 #define AMRF_OPEN 0x00020000 111 112 /* 113 * Command control block. 114 */ 115 struct amr_ccb { 116 union { 117 SIMPLEQ_ENTRY(amr_ccb) simpleq; 118 SLIST_ENTRY(amr_ccb) slist; 119 TAILQ_ENTRY(amr_ccb) tailq; 120 } ac_chain; 121 122 u_int ac_flags; 123 u_int ac_status; 124 u_int ac_ident; 125 u_int ac_xfer_size; 126 time_t ac_start_time; 127 bus_dmamap_t ac_xfer_map; 128 void (*ac_handler)(struct amr_ccb *); 129 void *ac_context; 130 struct device *ac_dv; 131 struct amr_mailbox_cmd ac_cmd; 132 }; 133 #define AC_XFER_IN 0x01 /* Map describes inbound xfer */ 134 #define AC_XFER_OUT 0x02 /* Map describes outbound xfer */ 135 #define AC_COMPLETE 0x04 /* Command completed */ 136 #define AC_ACTIVE 0x08 /* Command active */ 137 #define AC_NOSGL 0x10 /* No scatter/gather list */ 138 #define AC_MOAN 0x20 /* We have already moaned */ 139 140 struct amr_attach_args { 141 int amra_unit; 142 }; 143 144 int amr_ccb_alloc(struct amr_softc *, struct amr_ccb **); 145 void amr_ccb_enqueue(struct amr_softc *, struct amr_ccb *); 146 void amr_ccb_free(struct amr_softc *, struct amr_ccb *); 147 int amr_ccb_map(struct amr_softc *, struct amr_ccb *, void *, int, int); 148 int amr_ccb_poll(struct amr_softc *, struct amr_ccb *, int); 149 void amr_ccb_unmap(struct amr_softc *, struct amr_ccb *); 150 int amr_ccb_wait(struct amr_softc *, struct amr_ccb *); 151 const char *amr_drive_state(int, int *); 152 153 extern int amr_max_xfer; 154 155 #endif /* !_PCI_AMRVAR_H_ */ 156
Indexes created Tue Sep 23 14:10:03 GMT 2025