1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
/* $OpenBSD: mfivar.h,v 1.8 2006/04/16 17:10:08 marco Exp $ */
/*
* Copyright (c) 2006 Marco Peereboom <marco@peereboom.us>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define DEVNAME(_s) ((_s)->sc_dev.dv_xname)
#define MFI_DEBUG
#ifdef MFI_DEBUG
extern uint32_t mfi_debug;
#define DPRINTF(x...) do { if (mfi_debug) printf(x); } while(0)
#define DNPRINTF(n,x...) do { if (mfi_debug & n) printf(x); } while(0)
#define MFI_D_CMD 0x0001
#define MFI_D_INTR 0x0002
#define MFI_D_MISC 0x0004
#define MFI_D_DMA 0x0008
#define MFI_D_IOCTL 0x0010
#define MFI_D_RW 0x0020
#else
#define DPRINTF(x...)
#define DNPRINTF(n,x...)
#endif
struct mfi_mem {
bus_dmamap_t am_map;
bus_dma_segment_t am_seg;
size_t am_size;
caddr_t am_kva;
};
#define MFIMEM_MAP(_am) ((_am)->am_map)
#define MFIMEM_DVA(_am) ((_am)->am_map->dm_segs[0].ds_addr)
#define MFIMEM_KVA(_am) ((void *)(_am)->am_kva)
struct mfi_prod_cons {
uint32_t mpc_producer;
uint32_t mpc_consumer;
uint32_t mpc_reply_q[1]; /* compensate for 1 extra reply per spec */
};
struct mfi_ccb {
struct mfi_softc *ccb_sc;
union mfi_frame ccb_frame;
paddr_t ccb_pframe;
#if 0
struct ami_iocmd ccb_cmd;
struct ami_passthrough *ccb_pt;
paddr_t ccb_ptpa;
struct ami_sgent *ccb_sglist;
paddr_t ccb_sglistpa;
int ccb_offset;
bus_dmamap_t ccb_dmamap;
#endif
struct scsi_xfer *ccb_xs;
void (*ccb_done)(struct mfi_softc *sc,
struct mfi_ccb *ccb);
volatile enum {
MFI_CCB_FREE,
MFI_CCB_READY,
MFI_CCB_QUEUED,
MFI_CCB_PREQUEUED
} ccb_state;
uint32_t ccb_flags;
#define MFI_CCB_F_ERR (1<<0)
TAILQ_ENTRY(mfi_ccb) ccb_link;
};
typedef TAILQ_HEAD(mfi_queue_head, mfi_ccb) mfi_queue_head;
struct mfi_softc {
struct device sc_dev;
void *sc_ih;
struct scsi_link sc_link;
u_int32_t sc_flags;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
bus_dma_tag_t sc_dmat;
/* firmware determined max and totals */
uint32_t sc_max_cmds;
uint32_t sc_max_sgl;
/* producer/consumer pointers and reply queue */
struct mfi_mem *sc_pcq;
mfi_queue_head sc_ccb_freeq;
};
int mfi_attach(struct mfi_softc *sc);
int mfi_intr(void *);
|
