1 | /* $NetBSD: amrvar.h,v 1.10 2015/03/02 15:26:57 christos 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 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | * POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | |
32 | #ifndef _PCI_AMRVAR_H_ |
33 | #define _PCI_AMRVAR_H_ |
34 | |
35 | #define AMR_MAX_UNITS 16 |
36 | #define AMR_WDOG_TICKS (hz * 5) |
37 | #define AMR_NCCB_RESV 2 |
38 | #define AMR_ENQUIRY_BUFSIZE 2048 |
39 | #define AMR_SGL_SIZE (sizeof(struct amr_sgentry) * AMR_MAX_SEGS) |
40 | #define AMR_TIMEOUT 30 |
41 | |
42 | /* |
43 | * Logical drive information. |
44 | */ |
45 | struct amr_logdrive { |
46 | u_int al_size; |
47 | u_short al_state; |
48 | u_short al_properties; |
49 | device_t al_dv; |
50 | }; |
51 | |
52 | /* |
53 | * Per-controller state. |
54 | */ |
55 | struct amr_softc { |
56 | device_t amr_dv; |
57 | bus_space_tag_t amr_iot; |
58 | bus_space_handle_t amr_ioh; |
59 | bus_size_t amr_ios; |
60 | bus_dma_tag_t amr_dmat; |
61 | pci_chipset_tag_t amr_pc; |
62 | void *amr_ih; |
63 | struct lwp *amr_thread; |
64 | int amr_flags; |
65 | |
66 | struct amr_mailbox *amr_mbox; |
67 | bus_addr_t amr_mbox_paddr; |
68 | bus_dmamap_t amr_dmamap; |
69 | bus_dma_segment_t amr_dmaseg; |
70 | int amr_dmasize; |
71 | void *amr_enqbuf; |
72 | |
73 | struct amr_sgentry *amr_sgls; |
74 | bus_addr_t amr_sgls_paddr; |
75 | |
76 | struct amr_ccb *amr_ccbs; |
77 | SLIST_HEAD(, amr_ccb) amr_ccb_freelist; |
78 | SIMPLEQ_HEAD(, amr_ccb) amr_ccb_queue; |
79 | TAILQ_HEAD(, amr_ccb) amr_ccb_active; |
80 | int amr_maxqueuecnt; |
81 | |
82 | int (*amr_get_work)(struct amr_softc *, struct amr_mailbox_resp *); |
83 | int (*amr_submit)(struct amr_softc *sc, struct amr_ccb *); |
84 | |
85 | kmutex_t amr_mutex; |
86 | |
87 | int amr_numdrives; |
88 | struct amr_logdrive amr_drive[AMR_MAX_UNITS]; |
89 | }; |
90 | |
91 | /* What resources are allocated? */ |
92 | #define AMRF_INTR 0x00000001 |
93 | #define AMRF_DMA_LOAD 0x00000002 |
94 | #define AMRF_DMA_MAP 0x00000004 |
95 | #define AMRF_DMA_ALLOC 0x00000008 |
96 | #define AMRF_DMA_CREATE 0x00000010 |
97 | #define AMRF_PCI_INTR 0x00000020 |
98 | #define AMRF_PCI_REGS 0x00000040 |
99 | #define AMRF_CCBS 0x00000080 |
100 | #define AMRF_ENQBUF 0x00000100 |
101 | #define AMRF_THREAD 0x00000200 |
102 | |
103 | /* General flags. */ |
104 | #define AMRF_THREAD_EXIT 0x00010000 |
105 | #define AMRF_OPEN 0x00020000 |
106 | |
107 | /* |
108 | * Command control block. |
109 | */ |
110 | struct amr_ccb { |
111 | union { |
112 | SIMPLEQ_ENTRY(amr_ccb) simpleq; |
113 | SLIST_ENTRY(amr_ccb) slist; |
114 | TAILQ_ENTRY(amr_ccb) tailq; |
115 | } ac_chain; |
116 | |
117 | u_int ac_flags; |
118 | u_int ac_status; |
119 | u_int ac_ident; |
120 | u_int ac_xfer_size; |
121 | time_t ac_start_time; |
122 | bus_dmamap_t ac_xfer_map; |
123 | void (*ac_handler)(struct amr_ccb *); |
124 | void *ac_context; |
125 | device_t ac_dv; |
126 | struct amr_mailbox_cmd ac_cmd; |
127 | kmutex_t ac_mutex; |
128 | kcondvar_t ac_cv; |
129 | }; |
130 | #define AC_XFER_IN 0x01 /* Map describes inbound xfer */ |
131 | #define AC_XFER_OUT 0x02 /* Map describes outbound xfer */ |
132 | #define AC_COMPLETE 0x04 /* Command completed */ |
133 | #define AC_ACTIVE 0x08 /* Command active */ |
134 | #define AC_NOSGL 0x10 /* No scatter/gather list */ |
135 | #define AC_MOAN 0x20 /* We have already moaned */ |
136 | |
137 | struct amr_attach_args { |
138 | int amra_unit; |
139 | }; |
140 | |
141 | int amr_ccb_alloc(struct amr_softc *, struct amr_ccb **); |
142 | void amr_ccb_enqueue(struct amr_softc *, struct amr_ccb *); |
143 | void amr_ccb_free(struct amr_softc *, struct amr_ccb *); |
144 | int amr_ccb_map(struct amr_softc *, struct amr_ccb *, void *, int, int); |
145 | int amr_ccb_poll(struct amr_softc *, struct amr_ccb *, int); |
146 | void amr_ccb_unmap(struct amr_softc *, struct amr_ccb *); |
147 | int amr_ccb_wait(struct amr_softc *, struct amr_ccb *); |
148 | const char *amr_drive_state(int, int *); |
149 | |
150 | extern int amr_max_xfer; |
151 | |
152 | #endif /* !_PCI_AMRVAR_H_ */ |
153 | |